Manually merge "master" onto "stable"

We had some cherry-picks this week so the auto-merge isn't clean. Just do
it manually.

resources/celerity/map.php

@@ -9,11 +9,11 @@ return array(
   'names' => array(
     'conpherence.pkg.css' => 'ff161f2d',
     'conpherence.pkg.js' => 'b5b51108',
-    'core.pkg.css' => '24ffbe93',
+    'core.pkg.css' => '5ffe8b79',
-    'core.pkg.js' => '2ff7879f',
+    'core.pkg.js' => 'e822b496',
     'darkconsole.pkg.js' => '1f9a31bc',
-    'differential.pkg.css' => '90b30783',
+    'differential.pkg.css' => '4d7dd14e',
-    'differential.pkg.js' => 'ddfeb49b',
+    'differential.pkg.js' => '68a4fa60',
     'diffusion.pkg.css' => 'b93d9b8c',
     'diffusion.pkg.js' => '84c8f8fd',
     'favicon.ico' => '30672e08',
@@ -64,9 +64,9 @@ return array(
     'rsrc/css/application/dashboard/dashboard.css' => 'fe5b1869',
     'rsrc/css/application/diff/inline-comment-summary.css' => '51efda3a',
     'rsrc/css/application/differential/add-comment.css' => 'c47f8c40',
-    'rsrc/css/application/differential/changeset-view.css' => '41af6d25',
+    'rsrc/css/application/differential/changeset-view.css' => '54774a28',
     'rsrc/css/application/differential/core.css' => '5b7b8ff4',
-    'rsrc/css/application/differential/phui-inline-comment.css' => 'be663c95',
+    'rsrc/css/application/differential/phui-inline-comment.css' => 'ffd1a542',
     'rsrc/css/application/differential/revision-comment.css' => '14b8565a',
     'rsrc/css/application/differential/revision-history.css' => '0e8eb855',
     'rsrc/css/application/differential/revision-list.css' => 'f3c47d33',
@@ -116,7 +116,7 @@ return array(
     'rsrc/css/core/core.css' => '9f4cb463',
     'rsrc/css/core/remarkup.css' => 'd1a5e11e',
     'rsrc/css/core/syntax.css' => 'cae95e89',
-    'rsrc/css/core/z-index.css' => '0233d039',
+    'rsrc/css/core/z-index.css' => '998f3ce1',
     'rsrc/css/diviner/diviner-shared.css' => '896f1d43',
     'rsrc/css/font/font-awesome.css' => 'e838e088',
     'rsrc/css/font/font-lato.css' => 'c7ccd872',
@@ -129,9 +129,9 @@ return array(
     'rsrc/css/phui/calendar/phui-calendar.css' => '477acfaa',
     'rsrc/css/phui/object-item/phui-oi-big-ui.css' => '19f9369b',
     'rsrc/css/phui/object-item/phui-oi-color.css' => 'cd2b9b77',
-    'rsrc/css/phui/object-item/phui-oi-drag-ui.css' => 'f12cbc9f',
+    'rsrc/css/phui/object-item/phui-oi-drag-ui.css' => '08f4ccc3',
     'rsrc/css/phui/object-item/phui-oi-flush-ui.css' => '9d9685d6',
-    'rsrc/css/phui/object-item/phui-oi-list-view.css' => '7c8ec27a',
+    'rsrc/css/phui/object-item/phui-oi-list-view.css' => '412bef1a',
     'rsrc/css/phui/object-item/phui-oi-simple-ui.css' => 'a8beebea',
     'rsrc/css/phui/phui-action-list.css' => 'c01858f4',
     'rsrc/css/phui/phui-action-panel.css' => '91c7b835',
@@ -145,7 +145,7 @@ return array(
     'rsrc/css/phui/phui-comment-form.css' => '57af2e14',
     'rsrc/css/phui/phui-comment-panel.css' => 'f50152ad',
     'rsrc/css/phui/phui-crumbs-view.css' => '6ece3bbb',
-    'rsrc/css/phui/phui-curtain-view.css' => '679743bb',
+    'rsrc/css/phui/phui-curtain-view.css' => '55dd0e59',
     'rsrc/css/phui/phui-document-pro.css' => '62c4dcbf',
     'rsrc/css/phui/phui-document-summary.css' => '9ca48bdf',
     'rsrc/css/phui/phui-document.css' => 'c32e8dec',
@@ -160,7 +160,7 @@ return array(
     'rsrc/css/phui/phui-icon.css' => '12b387a1',
     'rsrc/css/phui/phui-image-mask.css' => 'a8498f9c',
     'rsrc/css/phui/phui-info-panel.css' => '27ea50a1',
-    'rsrc/css/phui/phui-info-view.css' => 'ec92802a',
+    'rsrc/css/phui/phui-info-view.css' => '6e217679',
     'rsrc/css/phui/phui-invisible-character-view.css' => '6993d9f0',
     'rsrc/css/phui/phui-lightbox.css' => '0a035e40',
     'rsrc/css/phui/phui-list.css' => '12eb8ce6',
@@ -173,7 +173,7 @@ return array(
     'rsrc/css/phui/phui-spacing.css' => '042804d6',
     'rsrc/css/phui/phui-status.css' => 'd5263e49',
     'rsrc/css/phui/phui-tag-view.css' => 'cc4fd402',
-    'rsrc/css/phui/phui-timeline-view.css' => '1d7ef61d',
+    'rsrc/css/phui/phui-timeline-view.css' => '313c7f22',
     'rsrc/css/phui/phui-two-column-view.css' => 'ce9fa0b7',
     'rsrc/css/phui/workboards/phui-workboard-color.css' => '783cdff5',
     'rsrc/css/phui/workboards/phui-workboard.css' => '3bc85455',
@@ -237,7 +237,7 @@ return array(
     'rsrc/externals/javelin/ext/view/__tests__/ViewInterpreter.js' => '7a94d6a5',
     'rsrc/externals/javelin/ext/view/__tests__/ViewRenderer.js' => '6ea96ac9',
     'rsrc/externals/javelin/lib/Cookie.js' => '62dfea03',
-    'rsrc/externals/javelin/lib/DOM.js' => '805b806a',
+    'rsrc/externals/javelin/lib/DOM.js' => '4976858c',
     'rsrc/externals/javelin/lib/History.js' => 'd4505101',
     'rsrc/externals/javelin/lib/JSON.js' => '69adf288',
     'rsrc/externals/javelin/lib/Leader.js' => '7f243deb',
@@ -390,17 +390,15 @@ return array(
     'rsrc/js/application/dashboard/behavior-dashboard-move-panels.js' => '408bf173',
     'rsrc/js/application/dashboard/behavior-dashboard-query-panel-select.js' => '453c5375',
     'rsrc/js/application/dashboard/behavior-dashboard-tab-panel.js' => 'd4eecc63',
+    'rsrc/js/application/diff/DiffChangeset.js' => 'cf4e2140',
+    'rsrc/js/application/diff/DiffChangesetList.js' => '5c68c40c',
+    'rsrc/js/application/diff/DiffInline.js' => '77e14b60',
+    'rsrc/js/application/diff/ScrollObjective.js' => '0eee7a00',
+    'rsrc/js/application/diff/ScrollObjectiveList.js' => '1ca4d9db',
     'rsrc/js/application/diff/behavior-preview-link.js' => '051c7832',
-    'rsrc/js/application/differential/ChangesetViewManager.js' => 'a2828756',
+    'rsrc/js/application/differential/behavior-comment-preview.js' => '51c5ad07',
-    'rsrc/js/application/differential/DifferentialInlineCommentEditor.js' => '2e3f9738',
-    'rsrc/js/application/differential/behavior-comment-jump.js' => '4fdb476d',
-    'rsrc/js/application/differential/behavior-comment-preview.js' => 'b064af76',
     'rsrc/js/application/differential/behavior-diff-radios.js' => 'e1ff79b1',
-    'rsrc/js/application/differential/behavior-dropdown-menus.js' => '9a6b9324',
+    'rsrc/js/application/differential/behavior-populate.js' => '5e41c819',
-    'rsrc/js/application/differential/behavior-edit-inline-comments.js' => '4fbbc3e9',
-    'rsrc/js/application/differential/behavior-keyboard-nav.js' => '92904457',
-    'rsrc/js/application/differential/behavior-populate.js' => '8694b1df',
-    'rsrc/js/application/differential/behavior-toggle-files.js' => 'ca3f91eb',
     'rsrc/js/application/differential/behavior-user-select.js' => 'a8d8459d',
     'rsrc/js/application/diffusion/DiffusionLocateFileSource.js' => 'c93358e3',
     'rsrc/js/application/diffusion/behavior-audit-preview.js' => 'd835b03a',
@@ -450,7 +448,7 @@ return array(
     'rsrc/js/application/transactions/behavior-comment-actions.js' => '9a6dd75c',
     'rsrc/js/application/transactions/behavior-reorder-configs.js' => 'd7a74243',
     'rsrc/js/application/transactions/behavior-reorder-fields.js' => 'b59e1e96',
-    'rsrc/js/application/transactions/behavior-show-older-transactions.js' => '94c65b72',
+    'rsrc/js/application/transactions/behavior-show-older-transactions.js' => 'ae95d984',
     'rsrc/js/application/transactions/behavior-transaction-comment-form.js' => 'b23b49e6',
     'rsrc/js/application/transactions/behavior-transaction-list.js' => '1f6794f6',
     'rsrc/js/application/typeahead/behavior-typeahead-browse.js' => '635de1ec',
@@ -475,7 +473,7 @@ return array(
     'rsrc/js/core/FileUpload.js' => '680ea2c8',
     'rsrc/js/core/Hovercard.js' => '1bd28176',
     'rsrc/js/core/KeyboardShortcut.js' => '1ae869f2',
-    'rsrc/js/core/KeyboardShortcutManager.js' => '4a021c10',
+    'rsrc/js/core/KeyboardShortcutManager.js' => 'c19dd9b9',
     'rsrc/js/core/MultirowRowManager.js' => 'b5d57730',
     'rsrc/js/core/Notification.js' => 'ccf1cbf8',
     'rsrc/js/core/Prefab.js' => 'c5af80a2',
@@ -507,7 +505,7 @@ return array(
     'rsrc/js/core/behavior-more.js' => 'a80d0378',
     'rsrc/js/core/behavior-object-selector.js' => 'e0ec7f2f',
     'rsrc/js/core/behavior-oncopy.js' => '2926fff2',
-    'rsrc/js/core/behavior-phabricator-nav.js' => '08675c6d',
+    'rsrc/js/core/behavior-phabricator-nav.js' => '947753e0',
     'rsrc/js/core/behavior-phabricator-remarkup-assist.js' => 'acd29eee',
     'rsrc/js/core/behavior-read-only-warning.js' => 'ba158207',
     'rsrc/js/core/behavior-refresh-csrf.js' => 'ab2f381b',
@@ -556,7 +554,6 @@ return array(
     'application-search-view-css' => '66ee5d46',
     'auth-css' => '0877ed6e',
     'bulk-job-css' => 'df9c1d4a',
-    'changeset-view-manager' => 'a2828756',
     'conduit-api-css' => '7bc725c4',
     'config-options-css' => '0ede4c9b',
     'config-page-css' => 'c1d5121b',
@@ -570,9 +567,8 @@ return array(
     'conpherence-thread-manager' => '4d863052',
     'conpherence-transaction-css' => '85129c68',
     'd3' => 'a11a5ff2',
-    'differential-changeset-view-css' => '41af6d25',
+    'differential-changeset-view-css' => '54774a28',
     'differential-core-view-css' => '5b7b8ff4',
-    'differential-inline-comment-editor' => '2e3f9738',
     'differential-revision-add-comment-css' => 'c47f8c40',
     'differential-revision-comment-css' => '14b8565a',
     'differential-revision-history-css' => '0e8eb855',
@@ -622,14 +618,9 @@ return array(
     'javelin-behavior-detect-timezone' => '4c193c96',
     'javelin-behavior-device' => 'bb1dd507',
     'javelin-behavior-diff-preview-link' => '051c7832',
-    'javelin-behavior-differential-comment-jump' => '4fdb476d',
     'javelin-behavior-differential-diff-radios' => 'e1ff79b1',
-    'javelin-behavior-differential-dropdown-menus' => '9a6b9324',
+    'javelin-behavior-differential-feedback-preview' => '51c5ad07',
-    'javelin-behavior-differential-edit-inline-comments' => '4fbbc3e9',
+    'javelin-behavior-differential-populate' => '5e41c819',
-    'javelin-behavior-differential-feedback-preview' => 'b064af76',
-    'javelin-behavior-differential-keyboard-navigation' => '92904457',
-    'javelin-behavior-differential-populate' => '8694b1df',
-    'javelin-behavior-differential-toggle-files' => 'ca3f91eb',
     'javelin-behavior-differential-user-select' => 'a8d8459d',
     'javelin-behavior-diffusion-browse-file' => '054a0f0b',
     'javelin-behavior-diffusion-commit-branches' => 'bdaf4d04',
@@ -669,14 +660,14 @@ return array(
     'javelin-behavior-phabricator-keyboard-pager' => 'a8da01f0',
     'javelin-behavior-phabricator-keyboard-shortcuts' => '01fca1f0',
     'javelin-behavior-phabricator-line-linker' => '1499a8cb',
-    'javelin-behavior-phabricator-nav' => '08675c6d',
+    'javelin-behavior-phabricator-nav' => '947753e0',
     'javelin-behavior-phabricator-notification-example' => '8ce821c5',
     'javelin-behavior-phabricator-object-selector' => 'e0ec7f2f',
     'javelin-behavior-phabricator-oncopy' => '2926fff2',
     'javelin-behavior-phabricator-remarkup-assist' => 'acd29eee',
     'javelin-behavior-phabricator-reveal-content' => '60821bc7',
     'javelin-behavior-phabricator-search-typeahead' => 'eded9ee8',
-    'javelin-behavior-phabricator-show-older-transactions' => '94c65b72',
+    'javelin-behavior-phabricator-show-older-transactions' => 'ae95d984',
     'javelin-behavior-phabricator-tooltips' => 'c420b0b9',
     'javelin-behavior-phabricator-transaction-comment-form' => 'b23b49e6',
     'javelin-behavior-phabricator-transaction-list' => '1f6794f6',
@@ -722,7 +713,7 @@ return array(
     'javelin-color' => '7e41274a',
     'javelin-cookie' => '62dfea03',
     'javelin-diffusion-locate-file-source' => 'c93358e3',
-    'javelin-dom' => '805b806a',
+    'javelin-dom' => '4976858c',
     'javelin-dynval' => 'f6555212',
     'javelin-event' => '2ee659ce',
     'javelin-fx' => '54b612ba',
@@ -786,6 +777,9 @@ return array(
     'phabricator-darklog' => 'c8e1ffe3',
     'phabricator-darkmessage' => 'c48cccdd',
     'phabricator-dashboard-css' => 'fe5b1869',
+    'phabricator-diff-changeset' => 'cf4e2140',
+    'phabricator-diff-changeset-list' => '5c68c40c',
+    'phabricator-diff-inline' => '77e14b60',
     'phabricator-drag-and-drop-file-upload' => '58dea2fa',
     'phabricator-draggable-list' => 'bea6e7f4',
     'phabricator-fatal-config-template-css' => '8f18fa41',
@@ -795,7 +789,7 @@ return array(
     'phabricator-filetree-view-css' => 'fccf9f82',
     'phabricator-flag-css' => 'bba8f811',
     'phabricator-keyboard-shortcut' => '1ae869f2',
-    'phabricator-keyboard-shortcut-manager' => '4a021c10',
+    'phabricator-keyboard-shortcut-manager' => 'c19dd9b9',
     'phabricator-main-menu-view' => '5294060f',
     'phabricator-nav-view-css' => 'faf6a6fc',
     'phabricator-notification' => 'ccf1cbf8',
@@ -805,6 +799,8 @@ return array(
     'phabricator-phtize' => 'd254d646',
     'phabricator-prefab' => 'c5af80a2',
     'phabricator-remarkup-css' => 'd1a5e11e',
+    'phabricator-scroll-objective' => '0eee7a00',
+    'phabricator-scroll-objective-list' => '1ca4d9db',
     'phabricator-search-results-css' => 'f87d23ad',
     'phabricator-shaped-request' => '7cbe244b',
     'phabricator-slowvote-css' => 'a94b7230',
@@ -824,7 +820,7 @@ return array(
     'phabricator-uiexample-reactor-select' => 'a155550f',
     'phabricator-uiexample-reactor-sendclass' => '1def2711',
     'phabricator-uiexample-reactor-sendproperties' => 'b1f0ccee',
-    'phabricator-zindex-css' => '0233d039',
+    'phabricator-zindex-css' => '998f3ce1',
     'phame-css' => 'b3a0b3a3',
     'pholio-css' => 'ca89d380',
     'pholio-edit-css' => '07676f51',
@@ -850,7 +846,7 @@ return array(
     'phui-comment-form-css' => '57af2e14',
     'phui-comment-panel-css' => 'f50152ad',
     'phui-crumbs-view-css' => '6ece3bbb',
-    'phui-curtain-view-css' => '679743bb',
+    'phui-curtain-view-css' => '55dd0e59',
     'phui-document-summary-view-css' => '9ca48bdf',
     'phui-document-view-css' => 'c32e8dec',
     'phui-document-view-pro-css' => '62c4dcbf',
@@ -867,17 +863,17 @@ return array(
     'phui-icon-view-css' => '12b387a1',
     'phui-image-mask-css' => 'a8498f9c',
     'phui-info-panel-css' => '27ea50a1',
-    'phui-info-view-css' => 'ec92802a',
+    'phui-info-view-css' => '6e217679',
-    'phui-inline-comment-view-css' => 'be663c95',
+    'phui-inline-comment-view-css' => 'ffd1a542',
     'phui-invisible-character-view-css' => '6993d9f0',
     'phui-lightbox-css' => '0a035e40',
     'phui-list-view-css' => '12eb8ce6',
     'phui-object-box-css' => '9cff003c',
     'phui-oi-big-ui-css' => '19f9369b',
     'phui-oi-color-css' => 'cd2b9b77',
-    'phui-oi-drag-ui-css' => 'f12cbc9f',
+    'phui-oi-drag-ui-css' => '08f4ccc3',
     'phui-oi-flush-ui-css' => '9d9685d6',
-    'phui-oi-list-view-css' => '7c8ec27a',
+    'phui-oi-list-view-css' => '412bef1a',
     'phui-oi-simple-ui-css' => 'a8beebea',
     'phui-pager-css' => '77d8a794',
     'phui-pinboard-view-css' => '2495140e',
@@ -888,7 +884,7 @@ return array(
     'phui-status-list-view-css' => 'd5263e49',
     'phui-tag-view-css' => 'cc4fd402',
     'phui-theme-css' => '9f261c6b',
-    'phui-timeline-view-css' => '1d7ef61d',
+    'phui-timeline-view-css' => '313c7f22',
     'phui-two-column-view-css' => 'ce9fa0b7',
     'phui-workboard-color-css' => '783cdff5',
     'phui-workboard-view-css' => '3bc85455',
@@ -960,22 +956,15 @@ return array(
       'javelin-stratcom',
       'javelin-util',
     ),
-    '08675c6d' => array(
-      'javelin-behavior',
-      'javelin-behavior-device',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-magical-init',
-      'javelin-vector',
-      'javelin-request',
-      'javelin-util',
-    ),
     '087e919c' => array(
       'javelin-install',
       'javelin-dom',
       'javelin-stratcom',
       'javelin-vector',
     ),
+    '08f4ccc3' => array(
+      'phui-oi-list-view-css',
+    ),
     '0a0b10e9' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -988,6 +977,13 @@ return array(
       'javelin-dom',
       'javelin-router',
     ),
+    '0eee7a00' => array(
+      'javelin-dom',
+      'javelin-util',
+      'javelin-stratcom',
+      'javelin-install',
+      'javelin-workflow',
+    ),
     '0f764c35' => array(
       'javelin-install',
       'javelin-util',
@@ -1038,6 +1034,14 @@ return array(
       'javelin-request',
       'javelin-uri',
     ),
+    '1ca4d9db' => array(
+      'javelin-dom',
+      'javelin-util',
+      'javelin-stratcom',
+      'javelin-install',
+      'javelin-workflow',
+      'phabricator-scroll-objective',
+    ),
     '1def2711' => array(
       'javelin-install',
       'javelin-dom',
@@ -1113,14 +1117,6 @@ return array(
       'javelin-install',
       'javelin-event',
     ),
-    '2e3f9738' => array(
-      'javelin-dom',
-      'javelin-util',
-      'javelin-stratcom',
-      'javelin-install',
-      'javelin-request',
-      'javelin-workflow',
-    ),
     '2ee659ce' => array(
       'javelin-install',
     ),
@@ -1191,9 +1187,6 @@ return array(
       'javelin-dom',
       'javelin-reactor-dom',
     ),
-    '41af6d25' => array(
-      'phui-inline-comment-view-css',
-    ),
     42126667 => array(
       'javelin-behavior',
       'javelin-dom',
@@ -1252,18 +1245,18 @@ return array(
       'javelin-uri',
       'phabricator-notification',
     ),
+    '4976858c' => array(
+      'javelin-magical-init',
+      'javelin-install',
+      'javelin-util',
+      'javelin-vector',
+      'javelin-stratcom',
+    ),
     '49ae8328' => array(
       'javelin-behavior',
       'javelin-dom',
       'javelin-stratcom',
     ),
-    '4a021c10' => array(
-      'javelin-install',
-      'javelin-util',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-vector',
-    ),
     '4b3c4443' => array(
       'phuix-icon-view',
     ),
@@ -1294,19 +1287,6 @@ return array(
       'javelin-stratcom',
       'javelin-dom',
     ),
-    '4fbbc3e9' => array(
-      'javelin-behavior',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-util',
-      'javelin-vector',
-      'differential-inline-comment-editor',
-    ),
-    '4fdb476d' => array(
-      'javelin-behavior',
-      'javelin-stratcom',
-      'javelin-dom',
-    ),
     '503e17fd' => array(
       'javelin-install',
       'javelin-typeahead-source',
@@ -1317,6 +1297,14 @@ return array(
       'javelin-dom',
       'javelin-reactor-dom',
     ),
+    '51c5ad07' => array(
+      'javelin-behavior',
+      'javelin-stratcom',
+      'javelin-dom',
+      'javelin-request',
+      'javelin-util',
+      'phabricator-shaped-request',
+    ),
     '522431f7' => array(
       'javelin-behavior',
       'javelin-util',
@@ -1328,6 +1316,9 @@ return array(
     '5294060f' => array(
       'phui-theme-css',
     ),
+    '54774a28' => array(
+      'phui-inline-comment-view-css',
+    ),
     '54b612ba' => array(
       'javelin-color',
       'javelin-install',
@@ -1377,12 +1368,24 @@ return array(
       'javelin-stratcom',
       'javelin-dom',
     ),
+    '5c68c40c' => array(
+      'javelin-install',
+      'phabricator-scroll-objective-list',
+    ),
     '5e2634b9' => array(
       'javelin-behavior',
       'javelin-aphlict',
       'phabricator-phtize',
       'javelin-dom',
     ),
+    '5e41c819' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'javelin-stratcom',
+      'phabricator-tooltip',
+      'phabricator-diff-changeset-list',
+      'phabricator-diff-changeset',
+    ),
     '5e9f347c' => array(
       'javelin-behavior',
       'multirow-row-manager',
@@ -1483,6 +1486,9 @@ return array(
       'javelin-reactor',
       'javelin-util',
     ),
+    '77e14b60' => array(
+      'javelin-dom',
+    ),
     '782ab6e7' => array(
       'javelin-behavior',
       'javelin-dom',
@@ -1526,13 +1532,6 @@ return array(
       'javelin-vector',
       'javelin-stratcom',
     ),
-    '805b806a' => array(
-      'javelin-magical-init',
-      'javelin-install',
-      'javelin-util',
-      'javelin-vector',
-      'javelin-stratcom',
-    ),
     '834a1173' => array(
       'javelin-behavior',
       'javelin-scrollbar',
@@ -1558,13 +1557,6 @@ return array(
       'phabricator-notification',
       'conpherence-thread-manager',
     ),
-    '8694b1df' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-stratcom',
-      'phabricator-tooltip',
-      'changeset-view-manager',
-    ),
     '88236f00' => array(
       'javelin-behavior',
       'phabricator-keyboard-shortcut',
@@ -1623,12 +1615,6 @@ return array(
       'javelin-dom',
       'javelin-request',
     ),
-    92904457 => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-stratcom',
-      'phabricator-keyboard-shortcut',
-    ),
     '92b9ec77' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1640,6 +1626,16 @@ return array(
       'javelin-workflow',
       'javelin-dom',
     ),
+    '947753e0' => array(
+      'javelin-behavior',
+      'javelin-behavior-device',
+      'javelin-stratcom',
+      'javelin-dom',
+      'javelin-magical-init',
+      'javelin-vector',
+      'javelin-request',
+      'javelin-util',
+    ),
     '949c0fe5' => array(
       'javelin-install',
     ),
@@ -1653,12 +1649,6 @@ return array(
       'javelin-resource',
       'javelin-routable',
     ),
-    '94c65b72' => array(
-      'javelin-behavior',
-      'javelin-stratcom',
-      'javelin-dom',
-      'phabricator-busy',
-    ),
     '960f6a39' => array(
       'javelin-behavior',
       'javelin-dom',
@@ -1671,18 +1661,6 @@ return array(
       'javelin-dom',
       'javelin-reactor-dom',
     ),
-    '9a6b9324' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-util',
-      'javelin-stratcom',
-      'javelin-workflow',
-      'phuix-dropdown-menu',
-      'phuix-action-list-view',
-      'phuix-action-view',
-      'phabricator-phtize',
-      'changeset-view-manager',
-    ),
     '9a6dd75c' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1725,16 +1703,6 @@ return array(
       'javelin-dom',
       'javelin-reactor-dom',
     ),
-    'a2828756' => array(
-      'javelin-dom',
-      'javelin-util',
-      'javelin-stratcom',
-      'javelin-install',
-      'javelin-workflow',
-      'javelin-router',
-      'javelin-behavior-device',
-      'javelin-vector',
-    ),
     'a3a63478' => array(
       'phui-workcard-view-css',
     ),
@@ -1822,20 +1790,18 @@ return array(
       'phuix-autocomplete',
       'javelin-mask',
     ),
+    'ae95d984' => array(
+      'javelin-behavior',
+      'javelin-stratcom',
+      'javelin-dom',
+      'phabricator-busy',
+    ),
     'b003d4fb' => array(
       'javelin-behavior',
       'javelin-stratcom',
       'javelin-dom',
       'phuix-dropdown-menu',
     ),
-    'b064af76' => array(
-      'javelin-behavior',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-request',
-      'javelin-util',
-      'phabricator-shaped-request',
-    ),
     'b1f0ccee' => array(
       'javelin-install',
       'javelin-dom',
@@ -1948,6 +1914,13 @@ return array(
       'javelin-install',
       'javelin-dom',
     ),
+    'c19dd9b9' => array(
+      'javelin-install',
+      'javelin-util',
+      'javelin-stratcom',
+      'javelin-dom',
+      'javelin-vector',
+    ),
     'c420b0b9' => array(
       'javelin-behavior',
       'javelin-behavior-device',
@@ -2005,12 +1978,6 @@ return array(
       'phabricator-shaped-request',
       'conpherence-thread-manager',
     ),
-    'ca3f91eb' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-stratcom',
-      'phabricator-phtize',
-    ),
     'caade6f2' => array(
       'javelin-behavior',
       'javelin-request',
@@ -2035,6 +2002,17 @@ return array(
     'cd2b9b77' => array(
       'phui-oi-list-view-css',
     ),
+    'cf4e2140' => array(
+      'javelin-dom',
+      'javelin-util',
+      'javelin-stratcom',
+      'javelin-install',
+      'javelin-workflow',
+      'javelin-router',
+      'javelin-behavior-device',
+      'javelin-vector',
+      'phabricator-diff-inline',
+    ),
     'd0c516d5' => array(
       'javelin-behavior',
       'javelin-dom',
@@ -2202,9 +2180,6 @@ return array(
       'javelin-workflow',
       'javelin-json',
     ),
-    'f12cbc9f' => array(
-      'phui-oi-list-view-css',
-    ),
     'f50152ad' => array(
       'phui-timeline-view-css',
     ),
@@ -2449,21 +2424,19 @@ return array(
       'phabricator-drag-and-drop-file-upload',
       'phabricator-shaped-request',
       'javelin-behavior-differential-feedback-preview',
-      'javelin-behavior-differential-edit-inline-comments',
       'javelin-behavior-differential-populate',
       'javelin-behavior-differential-diff-radios',
-      'javelin-behavior-differential-comment-jump',
-      'javelin-behavior-differential-keyboard-navigation',
       'javelin-behavior-aphront-drag-and-drop-textarea',
       'javelin-behavior-phabricator-object-selector',
       'javelin-behavior-repository-crossreference',
       'javelin-behavior-load-blame',
-      'differential-inline-comment-editor',
-      'javelin-behavior-differential-dropdown-menus',
-      'javelin-behavior-differential-toggle-files',
       'javelin-behavior-differential-user-select',
       'javelin-behavior-aphront-more',
-      'changeset-view-manager',
+      'phabricator-scroll-objective',
+      'phabricator-scroll-objective-list',
+      'phabricator-diff-inline',
+      'phabricator-diff-changeset',
+      'phabricator-diff-changeset-list',
     ),
     'diffusion.pkg.css' => array(
       'diffusion-icons-css',

resources/celerity/packages.php

@@ -193,22 +193,22 @@ return array(
     'phabricator-shaped-request',
 
     'javelin-behavior-differential-feedback-preview',
-    'javelin-behavior-differential-edit-inline-comments',
     'javelin-behavior-differential-populate',
     'javelin-behavior-differential-diff-radios',
-    'javelin-behavior-differential-comment-jump',
-    'javelin-behavior-differential-keyboard-navigation',
     'javelin-behavior-aphront-drag-and-drop-textarea',
     'javelin-behavior-phabricator-object-selector',
     'javelin-behavior-repository-crossreference',
     'javelin-behavior-load-blame',
 
-    'differential-inline-comment-editor',
-    'javelin-behavior-differential-dropdown-menus',
-    'javelin-behavior-differential-toggle-files',
     'javelin-behavior-differential-user-select',
     'javelin-behavior-aphront-more',
-    'changeset-view-manager',
+
+    'phabricator-scroll-objective',
+    'phabricator-scroll-objective-list',
+
+    'phabricator-diff-inline',
+    'phabricator-diff-changeset',
+    'phabricator-diff-changeset-list',
   ),
   'diffusion.pkg.css' => array(
     'diffusion-icons-css',

resources/sql/autopatches/20140321.mstatus.2.mig.php

@@ -35,7 +35,8 @@ foreach (new LiskMigrationIterator(new ManiphestTransaction()) as $xaction) {
   $id = $xaction->getID();
   echo pht('Migrating %d...', $id)."\n";
 
-  if ($xaction->getTransactionType() == ManiphestTransaction::TYPE_STATUS) {
+  $xn_type = ManiphestTaskStatusTransaction::TRANSACTIONTYPE;
+  if ($xaction->getTransactionType() == $xn_type) {
     $old = $xaction->getOldValue();
     if ($old !== null && isset($status_map[$old])) {
       $old = $status_map[$old];

resources/sql/patches/20131020.pxactionmig.php

@@ -32,9 +32,9 @@ foreach ($rows as $row) {
   $project_phid = $project_row['phid'];
 
   $type_map = array(
-    'name' => PhabricatorProjectTransaction::TYPE_NAME,
+    'name' => PhabricatorProjectNameTransaction::TRANSACTIONTYPE,
     'members' => PhabricatorProjectTransaction::TYPE_MEMBERS,
-    'status' => PhabricatorProjectTransaction::TYPE_STATUS,
+    'status' => PhabricatorProjectStatusTransaction::TRANSACTIONTYPE,
     'canview' => PhabricatorTransactions::TYPE_VIEW_POLICY,
     'canedit' => PhabricatorTransactions::TYPE_EDIT_POLICY,
     'canjoin' => PhabricatorTransactions::TYPE_JOIN_POLICY,

src/__phutil_library_map__.php

@@ -1511,14 +1511,18 @@ phutil_register_library_map(array(
     'ManiphestTaskAssignOtherHeraldAction' => 'applications/maniphest/herald/ManiphestTaskAssignOtherHeraldAction.php',
     'ManiphestTaskAssignSelfHeraldAction' => 'applications/maniphest/herald/ManiphestTaskAssignSelfHeraldAction.php',
     'ManiphestTaskAssigneeHeraldField' => 'applications/maniphest/herald/ManiphestTaskAssigneeHeraldField.php',
+    'ManiphestTaskAttachTransaction' => 'applications/maniphest/xaction/ManiphestTaskAttachTransaction.php',
     'ManiphestTaskAuthorHeraldField' => 'applications/maniphest/herald/ManiphestTaskAuthorHeraldField.php',
     'ManiphestTaskAuthorPolicyRule' => 'applications/maniphest/policyrule/ManiphestTaskAuthorPolicyRule.php',
     'ManiphestTaskCloseAsDuplicateRelationship' => 'applications/maniphest/relationship/ManiphestTaskCloseAsDuplicateRelationship.php',
     'ManiphestTaskClosedStatusDatasource' => 'applications/maniphest/typeahead/ManiphestTaskClosedStatusDatasource.php',
+    'ManiphestTaskCoverImageTransaction' => 'applications/maniphest/xaction/ManiphestTaskCoverImageTransaction.php',
     'ManiphestTaskDependedOnByTaskEdgeType' => 'applications/maniphest/edge/ManiphestTaskDependedOnByTaskEdgeType.php',
     'ManiphestTaskDependsOnTaskEdgeType' => 'applications/maniphest/edge/ManiphestTaskDependsOnTaskEdgeType.php',
     'ManiphestTaskDescriptionHeraldField' => 'applications/maniphest/herald/ManiphestTaskDescriptionHeraldField.php',
+    'ManiphestTaskDescriptionTransaction' => 'applications/maniphest/xaction/ManiphestTaskDescriptionTransaction.php',
     'ManiphestTaskDetailController' => 'applications/maniphest/controller/ManiphestTaskDetailController.php',
+    'ManiphestTaskEdgeTransaction' => 'applications/maniphest/xaction/ManiphestTaskEdgeTransaction.php',
     'ManiphestTaskEditBulkJobType' => 'applications/maniphest/bulk/ManiphestTaskEditBulkJobType.php',
     'ManiphestTaskEditController' => 'applications/maniphest/controller/ManiphestTaskEditController.php',
     'ManiphestTaskEditEngineLock' => 'applications/maniphest/editor/ManiphestTaskEditEngineLock.php',
@@ -1541,14 +1545,20 @@ phutil_register_library_map(array(
     'ManiphestTaskListView' => 'applications/maniphest/view/ManiphestTaskListView.php',
     'ManiphestTaskMailReceiver' => 'applications/maniphest/mail/ManiphestTaskMailReceiver.php',
     'ManiphestTaskMergeInRelationship' => 'applications/maniphest/relationship/ManiphestTaskMergeInRelationship.php',
+    'ManiphestTaskMergedFromTransaction' => 'applications/maniphest/xaction/ManiphestTaskMergedFromTransaction.php',
+    'ManiphestTaskMergedIntoTransaction' => 'applications/maniphest/xaction/ManiphestTaskMergedIntoTransaction.php',
     'ManiphestTaskOpenStatusDatasource' => 'applications/maniphest/typeahead/ManiphestTaskOpenStatusDatasource.php',
+    'ManiphestTaskOwnerTransaction' => 'applications/maniphest/xaction/ManiphestTaskOwnerTransaction.php',
     'ManiphestTaskPHIDResolver' => 'applications/maniphest/httpparametertype/ManiphestTaskPHIDResolver.php',
     'ManiphestTaskPHIDType' => 'applications/maniphest/phid/ManiphestTaskPHIDType.php',
+    'ManiphestTaskParentTransaction' => 'applications/maniphest/xaction/ManiphestTaskParentTransaction.php',
     'ManiphestTaskPoints' => 'applications/maniphest/constants/ManiphestTaskPoints.php',
+    'ManiphestTaskPointsTransaction' => 'applications/maniphest/xaction/ManiphestTaskPointsTransaction.php',
     'ManiphestTaskPriority' => 'applications/maniphest/constants/ManiphestTaskPriority.php',
     'ManiphestTaskPriorityDatasource' => 'applications/maniphest/typeahead/ManiphestTaskPriorityDatasource.php',
     'ManiphestTaskPriorityHeraldAction' => 'applications/maniphest/herald/ManiphestTaskPriorityHeraldAction.php',
     'ManiphestTaskPriorityHeraldField' => 'applications/maniphest/herald/ManiphestTaskPriorityHeraldField.php',
+    'ManiphestTaskPriorityTransaction' => 'applications/maniphest/xaction/ManiphestTaskPriorityTransaction.php',
     'ManiphestTaskQuery' => 'applications/maniphest/query/ManiphestTaskQuery.php',
     'ManiphestTaskRelationship' => 'applications/maniphest/relationship/ManiphestTaskRelationship.php',
     'ManiphestTaskRelationshipSource' => 'applications/search/relationship/ManiphestTaskRelationshipSource.php',
@@ -1560,9 +1570,14 @@ phutil_register_library_map(array(
     'ManiphestTaskStatusHeraldAction' => 'applications/maniphest/herald/ManiphestTaskStatusHeraldAction.php',
     'ManiphestTaskStatusHeraldField' => 'applications/maniphest/herald/ManiphestTaskStatusHeraldField.php',
     'ManiphestTaskStatusTestCase' => 'applications/maniphest/constants/__tests__/ManiphestTaskStatusTestCase.php',
+    'ManiphestTaskStatusTransaction' => 'applications/maniphest/xaction/ManiphestTaskStatusTransaction.php',
+    'ManiphestTaskSubpriorityTransaction' => 'applications/maniphest/xaction/ManiphestTaskSubpriorityTransaction.php',
     'ManiphestTaskSubtypeDatasource' => 'applications/maniphest/typeahead/ManiphestTaskSubtypeDatasource.php',
     'ManiphestTaskTestCase' => 'applications/maniphest/__tests__/ManiphestTaskTestCase.php',
     'ManiphestTaskTitleHeraldField' => 'applications/maniphest/herald/ManiphestTaskTitleHeraldField.php',
+    'ManiphestTaskTitleTransaction' => 'applications/maniphest/xaction/ManiphestTaskTitleTransaction.php',
+    'ManiphestTaskTransactionType' => 'applications/maniphest/xaction/ManiphestTaskTransactionType.php',
+    'ManiphestTaskUnblockTransaction' => 'applications/maniphest/xaction/ManiphestTaskUnblockTransaction.php',
     'ManiphestTransaction' => 'applications/maniphest/storage/ManiphestTransaction.php',
     'ManiphestTransactionComment' => 'applications/maniphest/storage/ManiphestTransactionComment.php',
     'ManiphestTransactionEditor' => 'applications/maniphest/editor/ManiphestTransactionEditor.php',
@@ -3569,6 +3584,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectBoardReorderController' => 'applications/project/controller/PhabricatorProjectBoardReorderController.php',
     'PhabricatorProjectBoardViewController' => 'applications/project/controller/PhabricatorProjectBoardViewController.php',
     'PhabricatorProjectCardView' => 'applications/project/view/PhabricatorProjectCardView.php',
+    'PhabricatorProjectColorTransaction' => 'applications/project/xaction/PhabricatorProjectColorTransaction.php',
     'PhabricatorProjectColorsConfigOptionType' => 'applications/project/config/PhabricatorProjectColorsConfigOptionType.php',
     'PhabricatorProjectColumn' => 'applications/project/storage/PhabricatorProjectColumn.php',
     'PhabricatorProjectColumnDetailController' => 'applications/project/controller/PhabricatorProjectColumnDetailController.php',
@@ -3605,7 +3621,9 @@ phutil_register_library_map(array(
     'PhabricatorProjectHeraldFieldGroup' => 'applications/project/herald/PhabricatorProjectHeraldFieldGroup.php',
     'PhabricatorProjectHovercardEngineExtension' => 'applications/project/engineextension/PhabricatorProjectHovercardEngineExtension.php',
     'PhabricatorProjectIconSet' => 'applications/project/icon/PhabricatorProjectIconSet.php',
+    'PhabricatorProjectIconTransaction' => 'applications/project/xaction/PhabricatorProjectIconTransaction.php',
     'PhabricatorProjectIconsConfigOptionType' => 'applications/project/config/PhabricatorProjectIconsConfigOptionType.php',
+    'PhabricatorProjectImageTransaction' => 'applications/project/xaction/PhabricatorProjectImageTransaction.php',
     'PhabricatorProjectInterface' => 'applications/project/interface/PhabricatorProjectInterface.php',
     'PhabricatorProjectListController' => 'applications/project/controller/PhabricatorProjectListController.php',
     'PhabricatorProjectListView' => 'applications/project/view/PhabricatorProjectListView.php',
@@ -3629,6 +3647,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectMenuItemController' => 'applications/project/controller/PhabricatorProjectMenuItemController.php',
     'PhabricatorProjectMoveController' => 'applications/project/controller/PhabricatorProjectMoveController.php',
     'PhabricatorProjectNameContextFreeGrammar' => 'applications/project/lipsum/PhabricatorProjectNameContextFreeGrammar.php',
+    'PhabricatorProjectNameTransaction' => 'applications/project/xaction/PhabricatorProjectNameTransaction.php',
     'PhabricatorProjectNoProjectsDatasource' => 'applications/project/typeahead/PhabricatorProjectNoProjectsDatasource.php',
     'PhabricatorProjectObjectHasProjectEdgeType' => 'applications/project/edge/PhabricatorProjectObjectHasProjectEdgeType.php',
     'PhabricatorProjectOrUserDatasource' => 'applications/project/typeahead/PhabricatorProjectOrUserDatasource.php',
@@ -3650,8 +3669,10 @@ phutil_register_library_map(array(
     'PhabricatorProjectSilenceController' => 'applications/project/controller/PhabricatorProjectSilenceController.php',
     'PhabricatorProjectSilencedEdgeType' => 'applications/project/edge/PhabricatorProjectSilencedEdgeType.php',
     'PhabricatorProjectSlug' => 'applications/project/storage/PhabricatorProjectSlug.php',
+    'PhabricatorProjectSlugsTransaction' => 'applications/project/xaction/PhabricatorProjectSlugsTransaction.php',
     'PhabricatorProjectStandardCustomField' => 'applications/project/customfield/PhabricatorProjectStandardCustomField.php',
     'PhabricatorProjectStatus' => 'applications/project/constants/PhabricatorProjectStatus.php',
+    'PhabricatorProjectStatusTransaction' => 'applications/project/xaction/PhabricatorProjectStatusTransaction.php',
     'PhabricatorProjectSubprojectWarningController' => 'applications/project/controller/PhabricatorProjectSubprojectWarningController.php',
     'PhabricatorProjectSubprojectsController' => 'applications/project/controller/PhabricatorProjectSubprojectsController.php',
     'PhabricatorProjectSubprojectsProfileMenuItem' => 'applications/project/menuitem/PhabricatorProjectSubprojectsProfileMenuItem.php',
@@ -3659,6 +3680,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectTransaction' => 'applications/project/storage/PhabricatorProjectTransaction.php',
     'PhabricatorProjectTransactionEditor' => 'applications/project/editor/PhabricatorProjectTransactionEditor.php',
     'PhabricatorProjectTransactionQuery' => 'applications/project/query/PhabricatorProjectTransactionQuery.php',
+    'PhabricatorProjectTransactionType' => 'applications/project/xaction/PhabricatorProjectTransactionType.php',
     'PhabricatorProjectUIEventListener' => 'applications/project/events/PhabricatorProjectUIEventListener.php',
     'PhabricatorProjectUpdateController' => 'applications/project/controller/PhabricatorProjectUpdateController.php',
     'PhabricatorProjectUserFunctionDatasource' => 'applications/project/typeahead/PhabricatorProjectUserFunctionDatasource.php',
@@ -4361,9 +4383,12 @@ phutil_register_library_map(array(
     'PholioDefaultViewCapability' => 'applications/pholio/capability/PholioDefaultViewCapability.php',
     'PholioImage' => 'applications/pholio/storage/PholioImage.php',
     'PholioImageDescriptionTransaction' => 'applications/pholio/xaction/PholioImageDescriptionTransaction.php',
+    'PholioImageFileTransaction' => 'applications/pholio/xaction/PholioImageFileTransaction.php',
     'PholioImageNameTransaction' => 'applications/pholio/xaction/PholioImageNameTransaction.php',
     'PholioImagePHIDType' => 'applications/pholio/phid/PholioImagePHIDType.php',
     'PholioImageQuery' => 'applications/pholio/query/PholioImageQuery.php',
+    'PholioImageReplaceTransaction' => 'applications/pholio/xaction/PholioImageReplaceTransaction.php',
+    'PholioImageSequenceTransaction' => 'applications/pholio/xaction/PholioImageSequenceTransaction.php',
     'PholioImageTransactionType' => 'applications/pholio/xaction/PholioImageTransactionType.php',
     'PholioImageUploadController' => 'applications/pholio/controller/PholioImageUploadController.php',
     'PholioInlineController' => 'applications/pholio/controller/PholioInlineController.php',
@@ -4383,6 +4408,7 @@ phutil_register_library_map(array(
     'PholioMockHeraldField' => 'applications/pholio/herald/PholioMockHeraldField.php',
     'PholioMockHeraldFieldGroup' => 'applications/pholio/herald/PholioMockHeraldFieldGroup.php',
     'PholioMockImagesView' => 'applications/pholio/view/PholioMockImagesView.php',
+    'PholioMockInlineTransaction' => 'applications/pholio/xaction/PholioMockInlineTransaction.php',
     'PholioMockListController' => 'applications/pholio/controller/PholioMockListController.php',
     'PholioMockMailReceiver' => 'applications/pholio/mail/PholioMockMailReceiver.php',
     'PholioMockNameHeraldField' => 'applications/pholio/herald/PholioMockNameHeraldField.php',
@@ -4598,11 +4624,14 @@ phutil_register_library_map(array(
     'PhrictionDocumentHeraldAdapter' => 'applications/phriction/herald/PhrictionDocumentHeraldAdapter.php',
     'PhrictionDocumentHeraldField' => 'applications/phriction/herald/PhrictionDocumentHeraldField.php',
     'PhrictionDocumentHeraldFieldGroup' => 'applications/phriction/herald/PhrictionDocumentHeraldFieldGroup.php',
+    'PhrictionDocumentMoveToTransaction' => 'applications/phriction/xaction/PhrictionDocumentMoveToTransaction.php',
     'PhrictionDocumentPHIDType' => 'applications/phriction/phid/PhrictionDocumentPHIDType.php',
     'PhrictionDocumentPathHeraldField' => 'applications/phriction/herald/PhrictionDocumentPathHeraldField.php',
     'PhrictionDocumentQuery' => 'applications/phriction/query/PhrictionDocumentQuery.php',
     'PhrictionDocumentStatus' => 'applications/phriction/constants/PhrictionDocumentStatus.php',
     'PhrictionDocumentTitleHeraldField' => 'applications/phriction/herald/PhrictionDocumentTitleHeraldField.php',
+    'PhrictionDocumentTitleTransaction' => 'applications/phriction/xaction/PhrictionDocumentTitleTransaction.php',
+    'PhrictionDocumentTransactionType' => 'applications/phriction/xaction/PhrictionDocumentTransactionType.php',
     'PhrictionEditConduitAPIMethod' => 'applications/phriction/conduit/PhrictionEditConduitAPIMethod.php',
     'PhrictionEditController' => 'applications/phriction/controller/PhrictionEditController.php',
     'PhrictionHistoryConduitAPIMethod' => 'applications/phriction/conduit/PhrictionHistoryConduitAPIMethod.php',
@@ -6569,14 +6598,18 @@ phutil_register_library_map(array(
     'ManiphestTaskAssignOtherHeraldAction' => 'ManiphestTaskAssignHeraldAction',
     'ManiphestTaskAssignSelfHeraldAction' => 'ManiphestTaskAssignHeraldAction',
     'ManiphestTaskAssigneeHeraldField' => 'ManiphestTaskHeraldField',
+    'ManiphestTaskAttachTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskAuthorHeraldField' => 'ManiphestTaskHeraldField',
     'ManiphestTaskAuthorPolicyRule' => 'PhabricatorPolicyRule',
     'ManiphestTaskCloseAsDuplicateRelationship' => 'ManiphestTaskRelationship',
     'ManiphestTaskClosedStatusDatasource' => 'PhabricatorTypeaheadDatasource',
+    'ManiphestTaskCoverImageTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskDependedOnByTaskEdgeType' => 'PhabricatorEdgeType',
     'ManiphestTaskDependsOnTaskEdgeType' => 'PhabricatorEdgeType',
     'ManiphestTaskDescriptionHeraldField' => 'ManiphestTaskHeraldField',
+    'ManiphestTaskDescriptionTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskDetailController' => 'ManiphestController',
+    'ManiphestTaskEdgeTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskEditBulkJobType' => 'PhabricatorWorkerBulkJobType',
     'ManiphestTaskEditController' => 'ManiphestController',
     'ManiphestTaskEditEngineLock' => 'PhabricatorEditEngineLock',
@@ -6599,14 +6632,20 @@ phutil_register_library_map(array(
     'ManiphestTaskListView' => 'ManiphestView',
     'ManiphestTaskMailReceiver' => 'PhabricatorObjectMailReceiver',
     'ManiphestTaskMergeInRelationship' => 'ManiphestTaskRelationship',
+    'ManiphestTaskMergedFromTransaction' => 'ManiphestTaskTransactionType',
+    'ManiphestTaskMergedIntoTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskOpenStatusDatasource' => 'PhabricatorTypeaheadDatasource',
+    'ManiphestTaskOwnerTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskPHIDResolver' => 'PhabricatorPHIDResolver',
     'ManiphestTaskPHIDType' => 'PhabricatorPHIDType',
+    'ManiphestTaskParentTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskPoints' => 'Phobject',
+    'ManiphestTaskPointsTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskPriority' => 'ManiphestConstants',
     'ManiphestTaskPriorityDatasource' => 'PhabricatorTypeaheadDatasource',
     'ManiphestTaskPriorityHeraldAction' => 'HeraldAction',
     'ManiphestTaskPriorityHeraldField' => 'ManiphestTaskHeraldField',
+    'ManiphestTaskPriorityTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'ManiphestTaskRelationship' => 'PhabricatorObjectRelationship',
     'ManiphestTaskRelationshipSource' => 'PhabricatorObjectRelationshipSource',
@@ -6618,10 +6657,15 @@ phutil_register_library_map(array(
     'ManiphestTaskStatusHeraldAction' => 'HeraldAction',
     'ManiphestTaskStatusHeraldField' => 'ManiphestTaskHeraldField',
     'ManiphestTaskStatusTestCase' => 'PhabricatorTestCase',
+    'ManiphestTaskStatusTransaction' => 'ManiphestTaskTransactionType',
+    'ManiphestTaskSubpriorityTransaction' => 'ManiphestTaskTransactionType',
     'ManiphestTaskSubtypeDatasource' => 'PhabricatorTypeaheadDatasource',
     'ManiphestTaskTestCase' => 'PhabricatorTestCase',
     'ManiphestTaskTitleHeraldField' => 'ManiphestTaskHeraldField',
-    'ManiphestTransaction' => 'PhabricatorApplicationTransaction',
+    'ManiphestTaskTitleTransaction' => 'ManiphestTaskTransactionType',
+    'ManiphestTaskTransactionType' => 'PhabricatorModularTransactionType',
+    'ManiphestTaskUnblockTransaction' => 'ManiphestTaskTransactionType',
+    'ManiphestTransaction' => 'PhabricatorModularTransaction',
     'ManiphestTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'ManiphestTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'ManiphestTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
@@ -8944,6 +8988,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectBoardReorderController' => 'PhabricatorProjectBoardController',
     'PhabricatorProjectBoardViewController' => 'PhabricatorProjectBoardController',
     'PhabricatorProjectCardView' => 'AphrontTagView',
+    'PhabricatorProjectColorTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectColorsConfigOptionType' => 'PhabricatorConfigJSONOptionType',
     'PhabricatorProjectColumn' => array(
       'PhabricatorProjectDAO',
@@ -8993,7 +9038,9 @@ phutil_register_library_map(array(
     'PhabricatorProjectHeraldFieldGroup' => 'HeraldFieldGroup',
     'PhabricatorProjectHovercardEngineExtension' => 'PhabricatorHovercardEngineExtension',
     'PhabricatorProjectIconSet' => 'PhabricatorIconSet',
+    'PhabricatorProjectIconTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectIconsConfigOptionType' => 'PhabricatorConfigJSONOptionType',
+    'PhabricatorProjectImageTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectListController' => 'PhabricatorProjectController',
     'PhabricatorProjectListView' => 'AphrontView',
     'PhabricatorProjectLockController' => 'PhabricatorProjectController',
@@ -9016,6 +9063,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectMenuItemController' => 'PhabricatorProjectController',
     'PhabricatorProjectMoveController' => 'PhabricatorProjectController',
     'PhabricatorProjectNameContextFreeGrammar' => 'PhutilContextFreeGrammar',
+    'PhabricatorProjectNameTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectNoProjectsDatasource' => 'PhabricatorTypeaheadDatasource',
     'PhabricatorProjectObjectHasProjectEdgeType' => 'PhabricatorEdgeType',
     'PhabricatorProjectOrUserDatasource' => 'PhabricatorTypeaheadCompositeDatasource',
@@ -9037,18 +9085,21 @@ phutil_register_library_map(array(
     'PhabricatorProjectSilenceController' => 'PhabricatorProjectController',
     'PhabricatorProjectSilencedEdgeType' => 'PhabricatorEdgeType',
     'PhabricatorProjectSlug' => 'PhabricatorProjectDAO',
+    'PhabricatorProjectSlugsTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectStandardCustomField' => array(
       'PhabricatorProjectCustomField',
       'PhabricatorStandardCustomFieldInterface',
     ),
     'PhabricatorProjectStatus' => 'Phobject',
+    'PhabricatorProjectStatusTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectSubprojectWarningController' => 'PhabricatorProjectController',
     'PhabricatorProjectSubprojectsController' => 'PhabricatorProjectController',
     'PhabricatorProjectSubprojectsProfileMenuItem' => 'PhabricatorProfileMenuItem',
     'PhabricatorProjectTestDataGenerator' => 'PhabricatorTestDataGenerator',
-    'PhabricatorProjectTransaction' => 'PhabricatorApplicationTransaction',
+    'PhabricatorProjectTransaction' => 'PhabricatorModularTransaction',
     'PhabricatorProjectTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'PhabricatorProjectTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
+    'PhabricatorProjectTransactionType' => 'PhabricatorModularTransactionType',
     'PhabricatorProjectUIEventListener' => 'PhabricatorEventListener',
     'PhabricatorProjectUpdateController' => 'PhabricatorProjectController',
     'PhabricatorProjectUserFunctionDatasource' => 'PhabricatorTypeaheadCompositeDatasource',
@@ -9908,9 +9959,12 @@ phutil_register_library_map(array(
       'PhabricatorPolicyInterface',
     ),
     'PholioImageDescriptionTransaction' => 'PholioImageTransactionType',
+    'PholioImageFileTransaction' => 'PholioImageTransactionType',
     'PholioImageNameTransaction' => 'PholioImageTransactionType',
     'PholioImagePHIDType' => 'PhabricatorPHIDType',
     'PholioImageQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+    'PholioImageReplaceTransaction' => 'PholioImageTransactionType',
+    'PholioImageSequenceTransaction' => 'PholioImageTransactionType',
     'PholioImageTransactionType' => 'PholioTransactionType',
     'PholioImageUploadController' => 'PholioController',
     'PholioInlineController' => 'PholioController',
@@ -9943,6 +9997,7 @@ phutil_register_library_map(array(
     'PholioMockHeraldField' => 'HeraldField',
     'PholioMockHeraldFieldGroup' => 'HeraldFieldGroup',
     'PholioMockImagesView' => 'AphrontView',
+    'PholioMockInlineTransaction' => 'PholioMockTransactionType',
     'PholioMockListController' => 'PholioController',
     'PholioMockMailReceiver' => 'PhabricatorObjectMailReceiver',
     'PholioMockNameHeraldField' => 'PholioMockHeraldField',
@@ -10216,11 +10271,14 @@ phutil_register_library_map(array(
     'PhrictionDocumentHeraldAdapter' => 'HeraldAdapter',
     'PhrictionDocumentHeraldField' => 'HeraldField',
     'PhrictionDocumentHeraldFieldGroup' => 'HeraldFieldGroup',
+    'PhrictionDocumentMoveToTransaction' => 'PhrictionDocumentTransactionType',
     'PhrictionDocumentPHIDType' => 'PhabricatorPHIDType',
     'PhrictionDocumentPathHeraldField' => 'PhrictionDocumentHeraldField',
     'PhrictionDocumentQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'PhrictionDocumentStatus' => 'PhrictionConstants',
     'PhrictionDocumentTitleHeraldField' => 'PhrictionDocumentHeraldField',
+    'PhrictionDocumentTitleTransaction' => 'PhrictionDocumentTransactionType',
+    'PhrictionDocumentTransactionType' => 'PhabricatorModularTransactionType',
     'PhrictionEditConduitAPIMethod' => 'PhrictionConduitAPIMethod',
     'PhrictionEditController' => 'PhrictionController',
     'PhrictionHistoryConduitAPIMethod' => 'PhrictionConduitAPIMethod',
@@ -10234,7 +10292,7 @@ phutil_register_library_map(array(
     'PhrictionReplyHandler' => 'PhabricatorApplicationTransactionReplyHandler',
     'PhrictionSchemaSpec' => 'PhabricatorConfigSchemaSpec',
     'PhrictionSearchEngine' => 'PhabricatorApplicationSearchEngine',
-    'PhrictionTransaction' => 'PhabricatorApplicationTransaction',
+    'PhrictionTransaction' => 'PhabricatorModularTransaction',
     'PhrictionTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'PhrictionTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'PhrictionTransactionQuery' => 'PhabricatorApplicationTransactionQuery',

src/applications/base/controller/PhabricatorController.php

@@ -471,7 +471,7 @@ abstract class PhabricatorController extends AphrontController {
       ->setViewer($this->getViewer());
   }
 
-  public function newCurtainView($object) {
+  public function newCurtainView($object = null) {
     $viewer = $this->getViewer();
 
     $action_id = celerity_generate_unique_node_id();
@@ -491,10 +491,12 @@ abstract class PhabricatorController extends AphrontController {
       ->setViewer($viewer)
       ->setActionList($action_list);
 
+    if ($object) {
       $panels = PHUICurtainExtension::buildExtensionPanels($viewer, $object);
       foreach ($panels as $panel) {
         $curtain->addPanel($panel);
       }
+    }
 
     return $curtain;
   }

src/applications/differential/controller/DifferentialRevisionViewController.php

@@ -465,7 +465,6 @@ final class DifferentialRevisionViewController extends DifferentialController {
     }
 
     Javelin::initBehavior('differential-user-select');
-    Javelin::initBehavior('differential-keyboard-navigation');
 
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)

src/applications/differential/render/DifferentialChangesetOneUpRenderer.php

@@ -41,8 +41,6 @@ final class DifferentialChangesetOneUpRenderer
 
     $column_width = 4;
 
-    $hidden = new PHUIDiffRevealIconView();
-
     $out = array();
     foreach ($primitives as $k => $p) {
       $type = $p['type'];
@@ -53,27 +51,6 @@ final class DifferentialChangesetOneUpRenderer
         case 'new-file':
           $is_old = ($type == 'old' || $type == 'old-file');
 
-          $o_hidden = array();
-          $n_hidden = array();
-
-          for ($look = $k + 1; isset($primitives[$look]); $look++) {
-            $next = $primitives[$look];
-            switch ($next['type']) {
-              case 'inline':
-                $comment = $next['comment'];
-                if ($comment->isHidden()) {
-                  if ($next['right']) {
-                    $n_hidden[] = $comment;
-                  } else {
-                    $o_hidden[] = $comment;
-                  }
-                }
-                break;
-              default:
-                break 2;
-            }
-          }
-
           $cells = array();
           if ($is_old) {
             if ($p['htype']) {
@@ -93,9 +70,6 @@ final class DifferentialChangesetOneUpRenderer
             }
 
             $line = $p['line'];
-            if ($o_hidden) {
-              $line = array($hidden, $line);
-            }
 
             $cells[] = phutil_tag(
               'th',
@@ -122,9 +96,6 @@ final class DifferentialChangesetOneUpRenderer
               }
 
               $oline = $p['oline'];
-              if ($o_hidden) {
-                $oline = array($hidden, $oline);
-              }
 
               $cells[] = phutil_tag('th', array('id' => $left_id), $oline);
             }
@@ -140,9 +111,6 @@ final class DifferentialChangesetOneUpRenderer
             }
 
             $line = $p['line'];
-            if ($n_hidden) {
-              $line = array($hidden, $line);
-            }
 
             $cells[] = phutil_tag(
               'th',

src/applications/differential/render/DifferentialChangesetTwoUpRenderer.php

@@ -69,8 +69,6 @@ final class DifferentialChangesetTwoUpRenderer
     $depths = $this->getDepths();
     $mask = $this->getMask();
 
-    $hidden = new PHUIDiffRevealIconView();
-
     for ($ii = $range_start; $ii < $range_start + $range_len; $ii++) {
       if (empty($mask[$ii])) {
         // If we aren't going to show this line, we've just entered a gap.
@@ -241,9 +239,6 @@ final class DifferentialChangesetTwoUpRenderer
       $new_comments = $this->getNewComments();
       $scaffolds = array();
 
-      $o_hidden = array();
-      $n_hidden = array();
-
       if ($o_num && isset($old_comments[$o_num])) {
         foreach ($old_comments[$o_num] as $comment) {
           $inline = $this->buildInlineComment(
@@ -251,10 +246,6 @@ final class DifferentialChangesetTwoUpRenderer
             $on_right = false);
           $scaffold = $this->getRowScaffoldForInline($inline);
 
-          if ($comment->isHidden()) {
-            $o_hidden[] = $comment;
-          }
-
           if ($n_num && isset($new_comments[$n_num])) {
             foreach ($new_comments[$n_num] as $key => $new_comment) {
               if ($comment->isCompatible($new_comment)) {
@@ -262,10 +253,6 @@ final class DifferentialChangesetTwoUpRenderer
                   $new_comment,
                   $on_right = true);
 
-                if ($new_comment->isHidden()) {
-                  $n_hidden = $new_comment;
-                }
-
                 $scaffold->addInlineView($companion);
                 unset($new_comments[$n_num][$key]);
                 break;
@@ -284,22 +271,10 @@ final class DifferentialChangesetTwoUpRenderer
             $comment,
             $on_right = true);
 
-          if ($comment->isHidden()) {
-            $n_hidden[] = $comment;
-          }
-
           $scaffolds[] = $this->getRowScaffoldForInline($inline);
         }
       }
 
-      if ($o_hidden) {
-        $o_num = array($hidden, $o_num);
-      }
-
-      if ($n_hidden) {
-        $n_num = array($hidden, $n_num);
-      }
-
       // NOTE: This is a unicode zero-width space, which we use as a hint when
       // intercepting 'copy' events to make sure sensible text ends up on the
       // clipboard. See the 'phabricator-oncopy' behavior.
@@ -348,6 +323,12 @@ final class DifferentialChangesetTwoUpRenderer
       $new = $this->renderImageStage($new_file);
     }
 
+    // If we don't have an explicit "vs" changeset, it's the left side of the
+    // "id" changeset.
+    if (!$vs) {
+      $vs = $id;
+    }
+
     $html_old = array();
     $html_new = array();
     foreach ($this->getOldComments() as $on_line => $comment_group) {

src/applications/differential/view/DifferentialChangesetDetailView.php

@@ -150,15 +150,51 @@ final class DifferentialChangesetDetailView extends AphrontView {
     $renderer = DifferentialChangesetHTMLRenderer::getHTMLRendererByKey(
       $this->getRenderer());
 
+    $changeset_id = $this->changeset->getID();
+
+    $vs_id = $this->getVsChangesetID();
+    if (!$vs_id) {
+      // Showing a changeset normally.
+      $left_id = $changeset_id;
+      $right_id = $changeset_id;
+    } else if ($vs_id == -1) {
+      // Showing a synthetic "deleted" changeset for a file which was
+      // removed between changes.
+      $left_id = $changeset_id;
+      $right_id = null;
+    } else {
+      // Showing a diff-of-diffs.
+      $left_id = $vs_id;
+      $right_id = $changeset_id;
+    }
+
+    // In the persistent banner, emphasize the current filename.
+    $path_part = dirname($display_filename);
+    $file_part = basename($display_filename);
+    $display_parts = array();
+    if (strlen($path_part)) {
+      $path_part = $path_part.'/';
+      $display_parts[] = phutil_tag(
+        'span',
+        array(
+          'class' => 'diff-banner-path',
+        ),
+        $path_part);
+    }
+    $display_parts[] = phutil_tag(
+      'span',
+      array(
+        'class' => 'diff-banner-file',
+      ),
+      $file_part);
+
     return javelin_tag(
       'div',
       array(
         'sigil' => 'differential-changeset',
         'meta'  => array(
-          'left'  => nonempty(
+          'left'  => $left_id,
-            $this->getVsChangesetID(),
+          'right' => $right_id,
-            $this->changeset->getID()),
-          'right' => $this->changeset->getID(),
           'renderURI' => $this->getRenderURI(),
           'whitespace' => $this->getWhitespace(),
           'highlight' => null,
@@ -166,7 +202,10 @@ final class DifferentialChangesetDetailView extends AphrontView {
           'ref' => $this->getRenderingRef(),
           'autoload' => $this->getAutoload(),
           'loaded' => $this->getLoaded(),
-          'undoTemplates' => $renderer->renderUndoTemplates(),
+          'undoTemplates' => hsprintf('%s', $renderer->renderUndoTemplates()),
+          'displayPath' => hsprintf('%s', $display_parts),
+          'objectiveName' => basename($display_filename),
+          'icon' => $display_icon,
         ),
         'class' => $class,
         'id'    => $id,

src/applications/differential/view/DifferentialChangesetListView.php

@@ -131,36 +131,6 @@ final class DifferentialChangesetListView extends AphrontView {
 
     $changesets = $this->changesets;
 
-    Javelin::initBehavior('differential-toggle-files', array(
-      'pht' => array(
-        'undo' => pht('Undo'),
-        'collapsed' => pht('This file content has been collapsed.'),
-      ),
-    ));
-
-    Javelin::initBehavior(
-      'differential-dropdown-menus',
-      array(
-        'pht' => array(
-          'Open in Editor' => pht('Open in Editor'),
-          'Show All Context' => pht('Show All Context'),
-          'All Context Shown' => pht('All Context Shown'),
-          "Can't Toggle Unloaded File" => pht("Can't Toggle Unloaded File"),
-          'Expand File' => pht('Expand File'),
-          'Collapse File' => pht('Collapse File'),
-          'Browse in Diffusion' => pht('Browse in Diffusion'),
-          'View Standalone' => pht('View Standalone'),
-          'Show Raw File (Left)' => pht('Show Raw File (Left)'),
-          'Show Raw File (Right)' => pht('Show Raw File (Right)'),
-          'Configure Editor' => pht('Configure Editor'),
-          'Load Changes' => pht('Load Changes'),
-          'View Side-by-Side' => pht('View Side-by-Side'),
-          'View Unified' => pht('View Unified'),
-          'Change Text Encoding...' => pht('Change Text Encoding...'),
-          'Highlight As...' => pht('Highlight As...'),
-        ),
-      ));
-
     $renderer = DifferentialChangesetParser::getDefaultRendererForViewer(
       $viewer);
 
@@ -169,11 +139,6 @@ final class DifferentialChangesetListView extends AphrontView {
     foreach ($changesets as $key => $changeset) {
 
       $file = $changeset->getFilename();
-      $class = 'differential-changeset';
-      if (!$this->inlineURI) {
-        $class .= ' differential-changeset-noneditable';
-      }
-
       $ref = $this->references[$key];
 
       $detail = id(new DifferentialChangesetDetailView())
@@ -238,19 +203,78 @@ final class DifferentialChangesetListView extends AphrontView {
 
     $this->requireResource('aphront-tooltip-css');
 
-    $this->initBehavior('differential-populate', array(
+    $this->initBehavior(
+      'differential-populate',
+      array(
       'changesetViewIDs' => $ids,
-    ));
+      'inlineURI' => $this->inlineURI,
+      'pht' => array(
+        'Open in Editor' => pht('Open in Editor'),
+        'Show All Context' => pht('Show All Context'),
+        'All Context Shown' => pht('All Context Shown'),
+        "Can't Toggle Unloaded File" => pht("Can't Toggle Unloaded File"),
+        'Expand File' => pht('Expand File'),
+        'Collapse File' => pht('Collapse File'),
+        'Browse in Diffusion' => pht('Browse in Diffusion'),
+        'View Standalone' => pht('View Standalone'),
+        'Show Raw File (Left)' => pht('Show Raw File (Left)'),
+        'Show Raw File (Right)' => pht('Show Raw File (Right)'),
+        'Configure Editor' => pht('Configure Editor'),
+        'Load Changes' => pht('Load Changes'),
+        'View Side-by-Side' => pht('View Side-by-Side'),
+        'View Unified' => pht('View Unified'),
+        'Change Text Encoding...' => pht('Change Text Encoding...'),
+        'Highlight As...' => pht('Highlight As...'),
 
-    $this->initBehavior('differential-comment-jump', array());
+        'Loading...' => pht('Loading...'),
 
-    if ($this->inlineURI) {
+        'Jump to next change.' => pht('Jump to next change.'),
-      Javelin::initBehavior('differential-edit-inline-comments', array(
+        'Jump to previous change.' => pht('Jump to previous change.'),
-        'uri' => $this->inlineURI,
+        'Jump to next file.' => pht('Jump to next file.'),
-        'stage' => 'differential-review-stage',
+        'Jump to previous file.' => pht('Jump to previous file.'),
-        'revealIcon' => hsprintf('%s', new PHUIDiffRevealIconView()),
+        'Jump to next inline comment.' => pht('Jump to next inline comment.'),
+        'Jump to previous inline comment.' =>
+          pht('Jump to previous inline comment.'),
+        'Jump to the table of contents.' =>
+          pht('Jump to the table of contents.'),
+
+        'Edit selected inline comment.' =>
+          pht('Edit selected inline comment.'),
+        'You must select a comment to edit.' =>
+          pht('You must select a comment to edit.'),
+
+        'Reply to selected inline comment or change.' =>
+          pht('Reply to selected inline comment or change.'),
+        'You must select a comment or change to reply to.' =>
+          pht('You must select a comment or change to reply to.'),
+        'Reply and quote selected inline comment.' =>
+          pht('Reply and quote selected inline comment.'),
+
+        'Mark or unmark selected inline comment as done.' =>
+          pht('Mark or unmark selected inline comment as done.'),
+        'You must select a comment to mark done.' =>
+          pht('You must select a comment to mark done.'),
+
+        'Hide or show inline comment.' =>
+          pht('Hide or show inline comment.'),
+        'You must select a comment to hide.' =>
+          pht('You must select a comment to hide.'),
+
+        'Jump to next inline comment, including hidden comments.' =>
+          pht('Jump to next inline comment, including hidden comments.'),
+        'Jump to previous inline comment, including hidden comments.' =>
+          pht('Jump to previous inline comment, including hidden comments.'),
+
+        'This file content has been collapsed.' =>
+          pht('This file content has been collapsed.'),
+        'Show Content' => pht('Show Content'),
+
+        'Hide or show the current file.' =>
+          pht('Hide or show the current file.'),
+        'You must select a file to hide or show.' =>
+          pht('You must select a file to hide or show.'),
+      ),
     ));
-    }
 
     if ($this->header) {
       $header = $this->header;

src/applications/diffusion/controller/DiffusionCommitController.php

@@ -720,8 +720,6 @@ final class DiffusionCommitController extends DiffusionController {
     $request = $this->getRequest();
     $viewer = $request->getUser();
 
-    Javelin::initBehavior('differential-keyboard-navigation');
-
     // TODO: This is pretty awkward, unify the CSS between Diffusion and
     // Differential better.
     require_celerity_resource('differential-core-view-css');

src/applications/files/controller/PhabricatorFileComposeController.php

@@ -48,7 +48,8 @@ final class PhabricatorFileComposeController
 
         $xactions = array();
         $xactions[] = id(new PhabricatorProjectTransaction())
-          ->setTransactionType(PhabricatorProjectTransaction::TYPE_IMAGE)
+          ->setTransactionType(
+              PhabricatorProjectImageTransaction::TRANSACTIONTYPE)
           ->setNewValue($file->getPHID());
 
         $editor = id(new PhabricatorProjectTransactionEditor())

src/applications/files/storage/__tests__/PhabricatorFileTestCase.php

@@ -94,11 +94,12 @@ final class PhabricatorFileTestCase extends PhabricatorTestCase {
 
     $xactions = array();
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_TITLE)
+      ->setTransactionType(ManiphestTaskTitleTransaction::TRANSACTIONTYPE)
       ->setNewValue(pht('File Scramble Test Task'));
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_DESCRIPTION)
+      ->setTransactionType(
+        ManiphestTaskDescriptionTransaction::TRANSACTIONTYPE)
       ->setNewValue('{'.$file->getMonogram().'}');
 
     id(new ManiphestTransactionEditor())

src/applications/maniphest/__tests__/ManiphestTaskTestCase.php

@@ -133,7 +133,7 @@ final class ManiphestTaskTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_TITLE)
+      ->setTransactionType(ManiphestTaskTitleTransaction::TRANSACTIONTYPE)
       ->setNewValue($title);
 
 
@@ -169,11 +169,11 @@ final class ManiphestTaskTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+      ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($pri);
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_SUBPRIORITY)
+      ->setTransactionType(ManiphestTaskSubpriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($sub);
 
     return $this->applyTaskTransactions($viewer, $src, $xactions);
@@ -192,11 +192,11 @@ final class ManiphestTaskTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+      ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($pri);
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_SUBPRIORITY)
+      ->setTransactionType(ManiphestTaskSubpriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($sub);
 
     return $this->applyTaskTransactions($viewer, $src, $xactions);

src/applications/maniphest/bulk/ManiphestTaskEditBulkJobType.php

@@ -76,9 +76,9 @@ final class ManiphestTaskEditBulkJobType
     $value_map = array();
     $type_map = array(
       'add_comment' => PhabricatorTransactions::TYPE_COMMENT,
-      'assign' => ManiphestTransaction::TYPE_OWNER,
+      'assign' => ManiphestTaskOwnerTransaction::TRANSACTIONTYPE,
-      'status' => ManiphestTransaction::TYPE_STATUS,
+      'status' => ManiphestTaskStatusTransaction::TRANSACTIONTYPE,
-      'priority' => ManiphestTransaction::TYPE_PRIORITY,
+      'priority' => ManiphestTaskPriorityTransaction::TRANSACTIONTYPE,
       'add_project' => PhabricatorTransactions::TYPE_EDGE,
       'remove_project' => PhabricatorTransactions::TYPE_EDGE,
       'add_ccs' => PhabricatorTransactions::TYPE_SUBSCRIBERS,
@@ -114,13 +114,13 @@ final class ManiphestTaskEditBulkJobType
           case PhabricatorTransactions::TYPE_COMMENT:
             $current = null;
             break;
-          case ManiphestTransaction::TYPE_OWNER:
+          case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
             $current = $task->getOwnerPHID();
             break;
-          case ManiphestTransaction::TYPE_STATUS:
+          case ManiphestTaskStatusTransaction::TRANSACTIONTYPE:
             $current = $task->getStatus();
             break;
-          case ManiphestTransaction::TYPE_PRIORITY:
+          case ManiphestTaskPriorityTransaction::TRANSACTIONTYPE:
             $current = $task->getPriority();
             break;
           case PhabricatorTransactions::TYPE_EDGE:
@@ -153,7 +153,7 @@ final class ManiphestTaskEditBulkJobType
           }
           $value = head($value);
           break;
-        case ManiphestTransaction::TYPE_OWNER:
+        case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
           if (empty($value)) {
             continue 2;
           }

src/applications/maniphest/command/ManiphestAssignEmailCommand.php

@@ -53,7 +53,7 @@ final class ManiphestAssignEmailCommand
     }
 
     $xactions[] = $object->getApplicationTransactionTemplate()
-      ->setTransactionType(ManiphestTransaction::TYPE_OWNER)
+      ->setTransactionType(ManiphestTaskOwnerTransaction::TRANSACTIONTYPE)
       ->setNewValue($assign_phid);
 
     return $xactions;

src/applications/maniphest/command/ManiphestClaimEmailCommand.php

@@ -23,7 +23,7 @@ final class ManiphestClaimEmailCommand
     $xactions = array();
 
     $xactions[] = $object->getApplicationTransactionTemplate()
-      ->setTransactionType(ManiphestTransaction::TYPE_OWNER)
+      ->setTransactionType(ManiphestTaskOwnerTransaction::TRANSACTIONTYPE)
       ->setNewValue($viewer->getPHID());
 
     return $xactions;

src/applications/maniphest/command/ManiphestCloseEmailCommand.php

@@ -24,7 +24,7 @@ final class ManiphestCloseEmailCommand
     $xactions = array();
 
     $xactions[] = $object->getApplicationTransactionTemplate()
-      ->setTransactionType(ManiphestTransaction::TYPE_STATUS)
+      ->setTransactionType(ManiphestTaskStatusTransaction::TRANSACTIONTYPE)
       ->setNewValue(ManiphestTaskStatus::getDefaultClosedStatus());
 
     return $xactions;

src/applications/maniphest/command/ManiphestPriorityEmailCommand.php

@@ -71,7 +71,7 @@ final class ManiphestPriorityEmailCommand
     }
 
     $xactions[] = $object->getApplicationTransactionTemplate()
-      ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+      ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($priority);
 
     return $xactions;

src/applications/maniphest/command/ManiphestStatusEmailCommand.php

@@ -73,7 +73,7 @@ final class ManiphestStatusEmailCommand
     }
 
     $xactions[] = $object->getApplicationTransactionTemplate()
-      ->setTransactionType(ManiphestTransaction::TYPE_STATUS)
+      ->setTransactionType(ManiphestTaskStatusTransaction::TRANSACTIONTYPE)
       ->setNewValue($status);
 
     return $xactions;

src/applications/maniphest/conduit/ManiphestConduitAPIMethod.php

@@ -60,7 +60,7 @@ abstract class ManiphestConduitAPIMethod extends ConduitAPIMethod {
     if ($is_new) {
       $task->setTitle((string)$request->getValue('title'));
       $task->setDescription((string)$request->getValue('description'));
-      $changes[ManiphestTransaction::TYPE_STATUS] =
+      $changes[ManiphestTaskStatusTransaction::TRANSACTIONTYPE] =
         ManiphestTaskStatus::getDefaultStatus();
       $changes[PhabricatorTransactions::TYPE_SUBSCRIBERS] =
         array('+' => array($request->getUser()->getPHID()));
@@ -73,12 +73,12 @@ abstract class ManiphestConduitAPIMethod extends ConduitAPIMethod {
 
       $title = $request->getValue('title');
       if ($title !== null) {
-        $changes[ManiphestTransaction::TYPE_TITLE] = $title;
+        $changes[ManiphestTaskTitleTransaction::TRANSACTIONTYPE] = $title;
       }
 
       $desc = $request->getValue('description');
       if ($desc !== null) {
-        $changes[ManiphestTransaction::TYPE_DESCRIPTION] = $desc;
+        $changes[ManiphestTaskDescriptionTransaction::TRANSACTIONTYPE] = $desc;
       }
 
       $status = $request->getValue('status');
@@ -88,7 +88,7 @@ abstract class ManiphestConduitAPIMethod extends ConduitAPIMethod {
           throw id(new ConduitException('ERR-INVALID-PARAMETER'))
             ->setErrorDescription(pht('Status set to invalid value.'));
         }
-        $changes[ManiphestTransaction::TYPE_STATUS] = $status;
+        $changes[ManiphestTaskStatusTransaction::TRANSACTIONTYPE] = $status;
       }
     }
 
@@ -99,7 +99,7 @@ abstract class ManiphestConduitAPIMethod extends ConduitAPIMethod {
         throw id(new ConduitException('ERR-INVALID-PARAMETER'))
           ->setErrorDescription(pht('Priority set to invalid value.'));
       }
-      $changes[ManiphestTransaction::TYPE_PRIORITY] = $priority;
+      $changes[ManiphestTaskPriorityTransaction::TRANSACTIONTYPE] = $priority;
     }
 
     $owner_phid = $request->getValue('ownerPHID');
@@ -108,7 +108,7 @@ abstract class ManiphestConduitAPIMethod extends ConduitAPIMethod {
         array($owner_phid),
         PhabricatorPeopleUserPHIDType::TYPECONST,
         'ownerPHID');
-      $changes[ManiphestTransaction::TYPE_OWNER] = $owner_phid;
+      $changes[ManiphestTaskOwnerTransaction::TRANSACTIONTYPE] = $owner_phid;
     }
 
     $ccs = $request->getValue('ccPHIDs');

src/applications/maniphest/controller/ManiphestReportController.php

@@ -93,7 +93,7 @@ final class ManiphestReportController extends ManiphestController {
         ORDER BY x.dateCreated ASC',
       $table->getTableName(),
       $joins,
-      ManiphestTransaction::TYPE_STATUS);
+      ManiphestTaskStatusTransaction::TRANSACTIONTYPE);
 
     $stats = array();
     $day_buckets = array();

src/applications/maniphest/controller/ManiphestSubpriorityController.php

@@ -43,11 +43,11 @@ final class ManiphestSubpriorityController extends ManiphestController {
     $xactions = array();
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+      ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($pri);
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_SUBPRIORITY)
+      ->setTransactionType(ManiphestTaskSubpriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($sub);
 
     $editor = id(new ManiphestTransactionEditor())

src/applications/maniphest/controller/ManiphestTaskDetailController.php

@@ -277,7 +277,7 @@ final class ManiphestTaskDetailController extends ManiphestController {
     $can_create = (bool)$edit_config;
 
     $can_reassign = $edit_engine->hasEditAccessToTransaction(
-      ManiphestTransaction::TYPE_OWNER);
+      ManiphestTaskOwnerTransaction::TRANSACTIONTYPE);
 
     if ($can_create) {
       $form_key = $edit_config->getIdentifier();

src/applications/maniphest/editor/ManiphestEditEngine.php

@@ -150,7 +150,7 @@ EODOCS
         ->setConduitDescription(pht('Create as a subtask of another task.'))
         ->setConduitTypeDescription(pht('PHID of the parent task.'))
         ->setAliases(array('parentPHID'))
-        ->setTransactionType(ManiphestTransaction::TYPE_PARENT)
+        ->setTransactionType(ManiphestTaskParentTransaction::TRANSACTIONTYPE)
         ->setHandleParameterType(new ManiphestTaskListHTTPParameterType())
         ->setSingleValue(null)
         ->setIsReorderable(false)
@@ -179,7 +179,7 @@ EODOCS
         ->setDescription(pht('Name of the task.'))
         ->setConduitDescription(pht('Rename the task.'))
         ->setConduitTypeDescription(pht('New task name.'))
-        ->setTransactionType(ManiphestTransaction::TYPE_TITLE)
+        ->setTransactionType(ManiphestTaskTitleTransaction::TRANSACTIONTYPE)
         ->setIsRequired(true)
         ->setValue($object->getTitle()),
       id(new PhabricatorUsersEditField())
@@ -190,7 +190,7 @@ EODOCS
         ->setConduitDescription(pht('Reassign the task.'))
         ->setConduitTypeDescription(
           pht('New task owner, or `null` to unassign.'))
-        ->setTransactionType(ManiphestTransaction::TYPE_OWNER)
+        ->setTransactionType(ManiphestTaskOwnerTransaction::TRANSACTIONTYPE)
         ->setIsCopyable(true)
         ->setSingleValue($object->getOwnerPHID())
         ->setCommentActionLabel(pht('Assign / Claim'))
@@ -201,7 +201,7 @@ EODOCS
         ->setDescription(pht('Status of the task.'))
         ->setConduitDescription(pht('Change the task status.'))
         ->setConduitTypeDescription(pht('New task status constant.'))
-        ->setTransactionType(ManiphestTransaction::TYPE_STATUS)
+        ->setTransactionType(ManiphestTaskStatusTransaction::TRANSACTIONTYPE)
         ->setIsCopyable(true)
         ->setValue($object->getStatus())
         ->setOptions($status_map)
@@ -213,7 +213,7 @@ EODOCS
         ->setDescription(pht('Priority of the task.'))
         ->setConduitDescription(pht('Change the priority of the task.'))
         ->setConduitTypeDescription(pht('New task priority constant.'))
-        ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+        ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
         ->setIsCopyable(true)
         ->setValue($object->getPriority())
         ->setOptions($priority_map)
@@ -230,7 +230,7 @@ EODOCS
         ->setDescription(pht('Point value of the task.'))
         ->setConduitDescription(pht('Change the task point value.'))
         ->setConduitTypeDescription(pht('New task point value.'))
-        ->setTransactionType(ManiphestTransaction::TYPE_POINTS)
+        ->setTransactionType(ManiphestTaskPointsTransaction::TRANSACTIONTYPE)
         ->setIsCopyable(true)
         ->setValue($object->getPoints())
         ->setCommentActionLabel($action_label);
@@ -242,7 +242,7 @@ EODOCS
       ->setDescription(pht('Task description.'))
       ->setConduitDescription(pht('Update the task description.'))
       ->setConduitTypeDescription(pht('New task description.'))
-      ->setTransactionType(ManiphestTransaction::TYPE_DESCRIPTION)
+      ->setTransactionType(ManiphestTaskDescriptionTransaction::TRANSACTIONTYPE)
       ->setValue($object->getDescription())
       ->setPreviewPanel(
         id(new PHUIRemarkupPreviewPanel())

src/applications/maniphest/editor/ManiphestTransactionEditor.php

@@ -18,18 +18,6 @@ final class ManiphestTransactionEditor
 
     $types[] = PhabricatorTransactions::TYPE_COMMENT;
     $types[] = PhabricatorTransactions::TYPE_EDGE;
-    $types[] = ManiphestTransaction::TYPE_PRIORITY;
-    $types[] = ManiphestTransaction::TYPE_STATUS;
-    $types[] = ManiphestTransaction::TYPE_TITLE;
-    $types[] = ManiphestTransaction::TYPE_DESCRIPTION;
-    $types[] = ManiphestTransaction::TYPE_OWNER;
-    $types[] = ManiphestTransaction::TYPE_SUBPRIORITY;
-    $types[] = ManiphestTransaction::TYPE_MERGED_INTO;
-    $types[] = ManiphestTransaction::TYPE_MERGED_FROM;
-    $types[] = ManiphestTransaction::TYPE_UNBLOCK;
-    $types[] = ManiphestTransaction::TYPE_PARENT;
-    $types[] = ManiphestTransaction::TYPE_COVER_IMAGE;
-    $types[] = ManiphestTransaction::TYPE_POINTS;
     $types[] = PhabricatorTransactions::TYPE_COLUMNS;
     $types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
     $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
@@ -37,47 +25,19 @@ final class ManiphestTransactionEditor
     return $types;
   }
 
+  public function getCreateObjectTitle($author, $object) {
+    return pht('%s created this task.', $author);
+  }
+
+  public function getCreateObjectTitleForFeed($author, $object) {
+    return pht('%s created %s.', $author, $object);
+  }
+
   protected function getCustomTransactionOldValue(
     PhabricatorLiskDAO $object,
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case ManiphestTransaction::TYPE_PRIORITY:
-        if ($this->getIsNewObject()) {
-          return null;
-        }
-        return (int)$object->getPriority();
-      case ManiphestTransaction::TYPE_STATUS:
-        if ($this->getIsNewObject()) {
-          return null;
-        }
-        return $object->getStatus();
-      case ManiphestTransaction::TYPE_TITLE:
-        if ($this->getIsNewObject()) {
-          return null;
-        }
-        return $object->getTitle();
-      case ManiphestTransaction::TYPE_DESCRIPTION:
-        if ($this->getIsNewObject()) {
-          return null;
-        }
-        return $object->getDescription();
-      case ManiphestTransaction::TYPE_OWNER:
-        return nonempty($object->getOwnerPHID(), null);
-      case ManiphestTransaction::TYPE_SUBPRIORITY:
-        return $object->getSubpriority();
-      case ManiphestTransaction::TYPE_COVER_IMAGE:
-        return $object->getCoverImageFilePHID();
-      case ManiphestTransaction::TYPE_POINTS:
-        $points = $object->getPoints();
-        if ($points !== null) {
-          $points = (double)$points;
-        }
-        return $points;
-      case ManiphestTransaction::TYPE_MERGED_INTO:
-      case ManiphestTransaction::TYPE_MERGED_FROM:
-        return null;
-      case ManiphestTransaction::TYPE_PARENT:
       case PhabricatorTransactions::TYPE_COLUMNS:
         return null;
     }
@@ -88,31 +48,8 @@ final class ManiphestTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case ManiphestTransaction::TYPE_PRIORITY:
-        return (int)$xaction->getNewValue();
-      case ManiphestTransaction::TYPE_OWNER:
-        return nonempty($xaction->getNewValue(), null);
-      case ManiphestTransaction::TYPE_STATUS:
-      case ManiphestTransaction::TYPE_TITLE:
-      case ManiphestTransaction::TYPE_DESCRIPTION:
-      case ManiphestTransaction::TYPE_SUBPRIORITY:
-      case ManiphestTransaction::TYPE_MERGED_INTO:
-      case ManiphestTransaction::TYPE_MERGED_FROM:
-      case ManiphestTransaction::TYPE_UNBLOCK:
-      case ManiphestTransaction::TYPE_COVER_IMAGE:
-        return $xaction->getNewValue();
-      case ManiphestTransaction::TYPE_PARENT:
       case PhabricatorTransactions::TYPE_COLUMNS:
         return $xaction->getNewValue();
-      case ManiphestTransaction::TYPE_POINTS:
-        $value = $xaction->getNewValue();
-        if (!strlen($value)) {
-          $value = null;
-        }
-        if ($value !== null) {
-          $value = (double)$value;
-        }
-        return $value;
     }
   }
 
@@ -136,72 +73,6 @@ final class ManiphestTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case ManiphestTransaction::TYPE_PRIORITY:
-        return $object->setPriority($xaction->getNewValue());
-      case ManiphestTransaction::TYPE_STATUS:
-        return $object->setStatus($xaction->getNewValue());
-      case ManiphestTransaction::TYPE_TITLE:
-        return $object->setTitle($xaction->getNewValue());
-      case ManiphestTransaction::TYPE_DESCRIPTION:
-        return $object->setDescription($xaction->getNewValue());
-      case ManiphestTransaction::TYPE_OWNER:
-        $phid = $xaction->getNewValue();
-
-        // Update the "ownerOrdering" column to contain the full name of the
-        // owner, if the task is assigned.
-
-        $handle = null;
-        if ($phid) {
-          $handle = id(new PhabricatorHandleQuery())
-            ->setViewer($this->getActor())
-            ->withPHIDs(array($phid))
-            ->executeOne();
-        }
-
-        if ($handle) {
-          $object->setOwnerOrdering($handle->getName());
-        } else {
-          $object->setOwnerOrdering(null);
-        }
-
-        return $object->setOwnerPHID($phid);
-      case ManiphestTransaction::TYPE_SUBPRIORITY:
-        $object->setSubpriority($xaction->getNewValue());
-        return;
-      case ManiphestTransaction::TYPE_MERGED_INTO:
-        $object->setStatus(ManiphestTaskStatus::getDuplicateStatus());
-        return;
-      case ManiphestTransaction::TYPE_COVER_IMAGE:
-        $file_phid = $xaction->getNewValue();
-
-        if ($file_phid) {
-          $file = id(new PhabricatorFileQuery())
-            ->setViewer($this->getActor())
-            ->withPHIDs(array($file_phid))
-            ->executeOne();
-        } else {
-          $file = null;
-        }
-
-        if (!$file || !$file->isTransformableImage()) {
-          $object->setProperty('cover.filePHID', null);
-          $object->setProperty('cover.thumbnailPHID', null);
-          return;
-        }
-
-        $xform_key = PhabricatorFileThumbnailTransform::TRANSFORM_WORKCARD;
-
-        $xform = PhabricatorFileTransform::getTransformByKey($xform_key)
-          ->executeTransform($file);
-
-        $object->setProperty('cover.filePHID', $file->getPHID());
-        $object->setProperty('cover.thumbnailPHID', $xform->getPHID());
-        return;
-      case ManiphestTransaction::TYPE_POINTS:
-        $object->setPoints($xaction->getNewValue());
-        return;
-      case ManiphestTransaction::TYPE_MERGED_FROM:
-      case ManiphestTransaction::TYPE_PARENT:
       case PhabricatorTransactions::TYPE_COLUMNS:
         return;
     }
@@ -212,22 +83,11 @@ final class ManiphestTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case ManiphestTransaction::TYPE_PARENT:
-        $parent_phid = $xaction->getNewValue();
-        $parent_type = ManiphestTaskDependsOnTaskEdgeType::EDGECONST;
-        $task_phid = $object->getPHID();
-
-        id(new PhabricatorEdgeEditor())
-          ->addEdge($parent_phid, $parent_type, $task_phid)
-          ->save();
-        break;
       case PhabricatorTransactions::TYPE_COLUMNS:
         foreach ($xaction->getNewValue() as $move) {
           $this->applyBoardMove($object, $move);
         }
         break;
-      default:
-        break;
     }
   }
 
@@ -240,7 +100,7 @@ final class ManiphestTransactionEditor
     $unblock_xaction = null;
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case ManiphestTransaction::TYPE_STATUS:
+        case ManiphestTaskStatusTransaction::TRANSACTIONTYPE:
           $unblock_xaction = $xaction;
           break;
       }
@@ -265,7 +125,8 @@ final class ManiphestTransactionEditor
 
         foreach ($blocked_tasks as $blocked_task) {
           $parent_xaction = id(new ManiphestTransaction())
-            ->setTransactionType(ManiphestTransaction::TYPE_UNBLOCK)
+            ->setTransactionType(
+              ManiphestTaskUnblockTransaction::TRANSACTIONTYPE)
             ->setOldValue(array($object->getPHID() => $old))
             ->setNewValue(array($object->getPHID() => $new));
 
@@ -398,7 +259,7 @@ final class ManiphestTransactionEditor
   protected function shouldPublishFeedStory(
     PhabricatorLiskDAO $object,
     array $xactions) {
-    return $this->shouldSendMail($object, $xactions);
+    return true;
   }
 
   protected function supportsSearch() {
@@ -426,11 +287,11 @@ final class ManiphestTransactionEditor
     parent::requireCapabilities($object, $xaction);
 
     $app_capability_map = array(
-      ManiphestTransaction::TYPE_PRIORITY =>
+      ManiphestTaskPriorityTransaction::TRANSACTIONTYPE =>
         ManiphestEditPriorityCapability::CAPABILITY,
-      ManiphestTransaction::TYPE_STATUS =>
+      ManiphestTaskStatusTransaction::TRANSACTIONTYPE =>
         ManiphestEditStatusCapability::CAPABILITY,
-      ManiphestTransaction::TYPE_OWNER =>
+      ManiphestTaskOwnerTransaction::TRANSACTIONTYPE =>
         ManiphestEditAssignCapability::CAPABILITY,
       PhabricatorTransactions::TYPE_EDIT_POLICY =>
         ManiphestEditPoliciesCapability::CAPABILITY,
@@ -471,7 +332,7 @@ final class ManiphestTransactionEditor
     $copy = parent::adjustObjectForPolicyChecks($object, $xactions);
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case ManiphestTransaction::TYPE_OWNER:
+        case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
           $copy->setOwnerPHID($xaction->getNewValue());
           break;
         default:
@@ -629,157 +490,6 @@ final class ManiphestTransactionEditor
     return array($dst->getPriority(), $sub);
   }
 
-  protected function validateTransaction(
-    PhabricatorLiskDAO $object,
-    $type,
-    array $xactions) {
-
-    $errors = parent::validateTransaction($object, $type, $xactions);
-
-    switch ($type) {
-      case ManiphestTransaction::TYPE_TITLE:
-        $missing = $this->validateIsEmptyTextField(
-          $object->getTitle(),
-          $xactions);
-
-        if ($missing) {
-          $error = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Required'),
-            pht('Task title is required.'),
-            nonempty(last($xactions), null));
-
-          $error->setIsMissingFieldError(true);
-          $errors[] = $error;
-        }
-        break;
-      case ManiphestTransaction::TYPE_PARENT:
-        $with_effect = array();
-        foreach ($xactions as $xaction) {
-          $task_phid = $xaction->getNewValue();
-          if (!$task_phid) {
-            continue;
-          }
-
-          $with_effect[] = $xaction;
-
-          $task = id(new ManiphestTaskQuery())
-            ->setViewer($this->getActor())
-            ->withPHIDs(array($task_phid))
-            ->executeOne();
-          if (!$task) {
-            $errors[] = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Invalid'),
-              pht(
-                'Parent task identifier "%s" does not identify a visible '.
-                'task.',
-                $task_phid),
-              $xaction);
-          }
-        }
-
-        if ($with_effect && !$this->getIsNewObject()) {
-          $errors[] = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Invalid'),
-            pht(
-              'You can only select a parent task when creating a '.
-              'transaction for the first time.'),
-            last($with_effect));
-        }
-        break;
-      case ManiphestTransaction::TYPE_OWNER:
-        foreach ($xactions as $xaction) {
-          $old = $xaction->getOldValue();
-          $new = $xaction->getNewValue();
-          if (!strlen($new)) {
-            continue;
-          }
-
-          if ($new === $old) {
-            continue;
-          }
-
-          $assignee_list = id(new PhabricatorPeopleQuery())
-            ->setViewer($this->getActor())
-            ->withPHIDs(array($new))
-            ->execute();
-          if (!$assignee_list) {
-            $errors[] = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Invalid'),
-              pht(
-                'User "%s" is not a valid user.',
-                $new),
-              $xaction);
-          }
-        }
-        break;
-      case ManiphestTransaction::TYPE_COVER_IMAGE:
-        foreach ($xactions as $xaction) {
-          $old = $xaction->getOldValue();
-          $new = $xaction->getNewValue();
-          if (!$new) {
-            continue;
-          }
-
-          if ($new === $old) {
-            continue;
-          }
-
-          $file = id(new PhabricatorFileQuery())
-            ->setViewer($this->getActor())
-            ->withPHIDs(array($new))
-            ->executeOne();
-          if (!$file) {
-            $errors[] = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Invalid'),
-              pht('File "%s" is not valid.', $new),
-              $xaction);
-            continue;
-          }
-
-          if (!$file->isTransformableImage()) {
-            $errors[] = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Invalid'),
-              pht('File "%s" is not a valid image file.', $new),
-              $xaction);
-            continue;
-          }
-        }
-        break;
-
-      case ManiphestTransaction::TYPE_POINTS:
-        foreach ($xactions as $xaction) {
-          $new = $xaction->getNewValue();
-          if (strlen($new) && !is_numeric($new)) {
-            $errors[] = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Invalid'),
-              pht('Points value must be numeric or empty.'),
-              $xaction);
-            continue;
-          }
-
-          if ((double)$new < 0) {
-            $errors[] = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Invalid'),
-              pht('Points value must be nonnegative.'),
-              $xaction);
-            continue;
-          }
-        }
-        break;
-
-    }
-
-    return $errors;
-  }
-
   protected function validateAllTransactions(
     PhabricatorLiskDAO $object,
     array $xactions) {
@@ -806,7 +516,8 @@ final class ManiphestTransactionEditor
 
     $any_assign = false;
     foreach ($xactions as $xaction) {
-      if ($xaction->getTransactionType() == ManiphestTransaction::TYPE_OWNER) {
+      if ($xaction->getTransactionType() ==
+        ManiphestTaskOwnerTransaction::TRANSACTIONTYPE) {
         $any_assign = true;
         break;
       }
@@ -817,7 +528,7 @@ final class ManiphestTransactionEditor
     $new_status = null;
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case ManiphestTransaction::TYPE_STATUS:
+        case ManiphestTaskStatusTransaction::TRANSACTIONTYPE:
           $new_status = $xaction->getNewValue();
           break;
       }
@@ -838,7 +549,7 @@ final class ManiphestTransactionEditor
       // Don't claim the task if the status is configured to not claim.
       if ($actor_phid && $is_claim) {
         $results[] = id(new ManiphestTransaction())
-          ->setTransactionType(ManiphestTransaction::TYPE_OWNER)
+          ->setTransactionType(ManiphestTaskOwnerTransaction::TRANSACTIONTYPE)
           ->setNewValue($actor_phid);
       }
     }
@@ -881,7 +592,7 @@ final class ManiphestTransactionEditor
           $this->moreValidationErrors[] = $error;
         }
         break;
-      case ManiphestTransaction::TYPE_OWNER:
+      case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
         // If this is a no-op update, don't expand it.
         $old_value = $object->getOwnerPHID();
         $new_value = $xaction->getNewValue();
@@ -906,20 +617,6 @@ final class ManiphestTransactionEditor
     return $results;
   }
 
-  protected function extractFilePHIDsFromCustomTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-    $phids = parent::extractFilePHIDsFromCustomTransaction($object, $xaction);
-
-    switch ($xaction->getTransactionType()) {
-      case ManiphestTransaction::TYPE_COVER_IMAGE:
-        $phids[] = $xaction->getNewValue();
-        break;
-    }
-
-    return $phids;
-  }
-
   private function buildMoveTransaction(
     PhabricatorLiskDAO $object,
     PhabricatorApplicationTransaction $xaction) {

src/applications/maniphest/herald/ManiphestTaskAssignHeraldAction.php

@@ -40,7 +40,7 @@ abstract class ManiphestTaskAssignHeraldAction
     }
 
     $xaction = $adapter->newTransaction()
-      ->setTransactionType(ManiphestTransaction::TYPE_OWNER)
+      ->setTransactionType(ManiphestTaskOwnerTransaction::TRANSACTIONTYPE)
       ->setNewValue($phid);
 
     $adapter->queueTransaction($xaction);

src/applications/maniphest/herald/ManiphestTaskPriorityHeraldAction.php

@@ -40,7 +40,7 @@ final class ManiphestTaskPriorityHeraldAction
     }
 
     $xaction = $adapter->newTransaction()
-      ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+      ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($priority);
 
     $adapter->queueTransaction($xaction);

src/applications/maniphest/herald/ManiphestTaskStatusHeraldAction.php

@@ -40,7 +40,7 @@ final class ManiphestTaskStatusHeraldAction
     }
 
     $xaction = $adapter->newTransaction()
-      ->setTransactionType(ManiphestTransaction::TYPE_STATUS)
+      ->setTransactionType(ManiphestTaskStatusTransaction::TRANSACTIONTYPE)
       ->setNewValue($status);
 
     $adapter->queueTransaction($xaction);

src/applications/maniphest/lipsum/PhabricatorManiphestTaskTestDataGenerator.php

@@ -22,15 +22,15 @@ final class PhabricatorManiphestTaskTestDataGenerator
     $template = new ManiphestTransaction();
     // Accumulate Transactions
     $changes = array();
-    $changes[ManiphestTransaction::TYPE_TITLE] =
+    $changes[ManiphestTaskTitleTransaction::TRANSACTIONTYPE] =
       $this->generateTitle();
-    $changes[ManiphestTransaction::TYPE_DESCRIPTION] =
+    $changes[ManiphestTaskDescriptionTransaction::TRANSACTIONTYPE] =
       $this->generateDescription();
-    $changes[ManiphestTransaction::TYPE_OWNER] =
+    $changes[ManiphestTaskOwnerTransaction::TRANSACTIONTYPE] =
       $this->loadOwnerPHID();
-    $changes[ManiphestTransaction::TYPE_STATUS] =
+    $changes[ManiphestTaskStatusTransaction::TRANSACTIONTYPE] =
       $this->generateTaskStatus();
-    $changes[ManiphestTransaction::TYPE_PRIORITY] =
+    $changes[ManiphestTaskPriorityTransaction::TRANSACTIONTYPE] =
       $this->generateTaskPriority();
     $changes[PhabricatorTransactions::TYPE_SUBSCRIBERS] =
       array('=' => $this->getCCPHIDs());

src/applications/maniphest/mail/ManiphestReplyHandler.php

@@ -25,11 +25,12 @@ final class ManiphestReplyHandler
 
     if ($is_new) {
       $xactions[] = $this->newTransaction()
-        ->setTransactionType(ManiphestTransaction::TYPE_TITLE)
+        ->setTransactionType(ManiphestTaskTitleTransaction::TRANSACTIONTYPE)
         ->setNewValue(nonempty($mail->getSubject(), pht('Untitled Task')));
 
       $xactions[] = $this->newTransaction()
-        ->setTransactionType(ManiphestTransaction::TYPE_DESCRIPTION)
+        ->setTransactionType(
+          ManiphestTaskDescriptionTransaction::TRANSACTIONTYPE)
         ->setNewValue($body);
 
       $actor_phid = $actor->getPHID();

src/applications/maniphest/relationship/ManiphestTaskRelationship.php

@@ -19,7 +19,8 @@ abstract class ManiphestTaskRelationship
   protected function newMergeIntoTransactions(ManiphestTask $task) {
     return array(
       id(new ManiphestTransaction())
-        ->setTransactionType(ManiphestTransaction::TYPE_MERGED_INTO)
+        ->setTransactionType(
+          ManiphestTaskMergedIntoTransaction::TRANSACTIONTYPE)
         ->setNewValue($task->getPHID()),
     );
   }
@@ -34,7 +35,8 @@ abstract class ManiphestTaskRelationship
       ->setNewValue(array('+' => $subscriber_phids));
 
     $xactions[] = id(new ManiphestTransaction())
-        ->setTransactionType(ManiphestTransaction::TYPE_MERGED_FROM)
+        ->setTransactionType(
+          ManiphestTaskMergedFromTransaction::TRANSACTIONTYPE)
         ->setNewValue(mpull($tasks, 'getPHID'));
 
     return $xactions;

src/applications/maniphest/storage/ManiphestTransaction.php

@@ -1,25 +1,7 @@
 <?php
 
 final class ManiphestTransaction
-  extends PhabricatorApplicationTransaction {
+  extends PhabricatorModularTransaction {
-
-  const TYPE_TITLE = 'title';
-  const TYPE_STATUS = 'status';
-  const TYPE_DESCRIPTION = 'description';
-  const TYPE_OWNER  = 'reassign';
-  const TYPE_PRIORITY = 'priority';
-  const TYPE_EDGE = 'edge';
-  const TYPE_SUBPRIORITY = 'subpriority';
-  const TYPE_MERGED_INTO = 'mergedinto';
-  const TYPE_MERGED_FROM = 'mergedfrom';
-  const TYPE_UNBLOCK = 'unblock';
-  const TYPE_PARENT = 'parent';
-  const TYPE_COVER_IMAGE = 'cover-image';
-  const TYPE_POINTS = 'points';
-
-  // NOTE: this type is deprecated. Keep it around for legacy installs
-  // so any transactions render correctly.
-  const TYPE_ATTACH = 'attach';
 
   const MAILTAG_STATUS = 'maniphest-status';
   const MAILTAG_OWNER = 'maniphest-owner';
@@ -44,30 +26,20 @@ final class ManiphestTransaction
     return new ManiphestTransactionComment();
   }
 
+  public function getBaseTransactionClass() {
+    return 'ManiphestTaskTransactionType';
+  }
+
   public function shouldGenerateOldValue() {
     switch ($this->getTransactionType()) {
-      case self::TYPE_EDGE:
+      case ManiphestTaskEdgeTransaction::TRANSACTIONTYPE:
-      case self::TYPE_UNBLOCK:
+      case ManiphestTaskUnblockTransaction::TRANSACTIONTYPE:
         return false;
     }
 
     return parent::shouldGenerateOldValue();
   }
 
-  protected function newRemarkupChanges() {
-    $changes = array();
-
-    switch ($this->getTransactionType()) {
-      case self::TYPE_DESCRIPTION:
-        $changes[] = $this->newRemarkupChange()
-          ->setOldValue($this->getOldValue())
-          ->setNewValue($this->getNewValue());
-        break;
-    }
-
-    return $changes;
-  }
-
   public function getRequiredHandlePHIDs() {
     $phids = parent::getRequiredHandlePHIDs();
 
@@ -75,7 +47,7 @@ final class ManiphestTransaction
     $old = $this->getOldValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_OWNER:
+      case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
         if ($new) {
           $phids[] = $new;
         }
@@ -84,13 +56,13 @@ final class ManiphestTransaction
           $phids[] = $old;
         }
         break;
-      case self::TYPE_MERGED_INTO:
+      case ManiphestTaskMergedIntoTransaction::TRANSACTIONTYPE:
         $phids[] = $new;
         break;
-      case self::TYPE_MERGED_FROM:
+      case ManiphestTaskMergedFromTransaction::TRANSACTIONTYPE:
         $phids = array_merge($phids, $new);
         break;
-      case self::TYPE_EDGE:
+      case ManiphestTaskEdgeTransaction::TRANSACTIONTYPE:
         $phids = array_mergev(
           array(
             $phids,
@@ -98,7 +70,7 @@ final class ManiphestTransaction
             array_keys(nonempty($new, array())),
           ));
         break;
-      case self::TYPE_ATTACH:
+      case ManiphestTaskAttachTransaction::TRANSACTIONTYPE:
         $old = nonempty($old, array());
         $new = nonempty($new, array());
         $phids = array_mergev(
@@ -108,12 +80,12 @@ final class ManiphestTransaction
             array_keys(idx($old, 'FILE', array())),
           ));
         break;
-      case self::TYPE_UNBLOCK:
+      case ManiphestTaskUnblockTransaction::TRANSACTIONTYPE:
         foreach (array_keys($new) as $phid) {
           $phids[] = $phid;
         }
         break;
-      case self::TYPE_STATUS:
+      case ManiphestTaskStatusTransaction::TRANSACTIONTYPE:
         $commit_phid = $this->getMetadataValue('commitPHID');
         if ($commit_phid) {
           $phids[] = $commit_phid;
@@ -124,275 +96,27 @@ final class ManiphestTransaction
     return $phids;
   }
 
-  public function shouldHide() {
-    switch ($this->getTransactionType()) {
-      case PhabricatorTransactions::TYPE_EDGE:
-        $commit_phid = $this->getMetadataValue('commitPHID');
-        $edge_type = $this->getMetadataValue('edge:type');
-
-        if ($edge_type == ManiphestTaskHasCommitEdgeType::EDGECONST) {
-          if ($commit_phid) {
-            return true;
-          }
-        }
-        break;
-      case self::TYPE_DESCRIPTION:
-      case self::TYPE_PRIORITY:
-      case self::TYPE_STATUS:
-        if ($this->getOldValue() === null) {
-          return true;
-        } else {
-          return false;
-        }
-        break;
-      case self::TYPE_SUBPRIORITY:
-      case self::TYPE_PARENT:
-        return true;
-      case self::TYPE_COVER_IMAGE:
-        // At least for now, don't show these.
-        return true;
-      case self::TYPE_POINTS:
-        if (!ManiphestTaskPoints::getIsEnabled()) {
-          return true;
-        }
-    }
-
-    return parent::shouldHide();
-  }
-
-  public function shouldHideForMail(array $xactions) {
-    switch ($this->getTransactionType()) {
-      case self::TYPE_POINTS:
-        return true;
-    }
-
-    return parent::shouldHideForMail($xactions);
-  }
-
-  public function shouldHideForFeed() {
-    switch ($this->getTransactionType()) {
-      case self::TYPE_UNBLOCK:
-        // Hide "alice created X, a task blocking Y." from feed because it
-        // will almost always appear adjacent to "alice created Y".
-        $is_new = $this->getMetadataValue('blocker.new');
-        if ($is_new) {
-          return true;
-        }
-        break;
-      case self::TYPE_POINTS:
-        return true;
-    }
-
-    return parent::shouldHideForFeed();
-  }
-
-  public function getActionStrength() {
-    switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        return 1.4;
-      case self::TYPE_STATUS:
-        return 1.3;
-      case self::TYPE_OWNER:
-        return 1.2;
-      case self::TYPE_PRIORITY:
-        return 1.1;
-    }
-
-    return parent::getActionStrength();
-  }
-
-
-  public function getColor() {
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    switch ($this->getTransactionType()) {
-      case self::TYPE_OWNER:
-        if ($this->getAuthorPHID() == $new) {
-          return 'green';
-        } else if (!$new) {
-          return 'black';
-        } else if (!$old) {
-          return 'green';
-        } else {
-          return 'green';
-        }
-
-      case self::TYPE_STATUS:
-        $color = ManiphestTaskStatus::getStatusColor($new);
-        if ($color !== null) {
-          return $color;
-        }
-
-        if (ManiphestTaskStatus::isOpenStatus($new)) {
-          return 'green';
-        } else {
-          return 'indigo';
-        }
-
-      case self::TYPE_PRIORITY:
-        if ($old == ManiphestTaskPriority::getDefaultPriority()) {
-          return 'green';
-        } else if ($old > $new) {
-          return 'grey';
-        } else {
-          return 'yellow';
-        }
-
-      case self::TYPE_MERGED_FROM:
-        return 'orange';
-
-      case self::TYPE_MERGED_INTO:
-        return 'indigo';
-    }
-
-    return parent::getColor();
-  }
-
   public function getActionName() {
     $old = $this->getOldValue();
     $new = $this->getNewValue();
-
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          return pht('Created');
-        }
-
-        return pht('Retitled');
-
-      case self::TYPE_STATUS:
-        $action = ManiphestTaskStatus::getStatusActionName($new);
-        if ($action) {
-          return $action;
-        }
-
-        $old_closed = ManiphestTaskStatus::isClosedStatus($old);
-        $new_closed = ManiphestTaskStatus::isClosedStatus($new);
-
-        if ($new_closed && !$old_closed) {
-          return pht('Closed');
-        } else if (!$new_closed && $old_closed) {
-          return pht('Reopened');
-        } else {
-          return pht('Changed Status');
-        }
-
-      case self::TYPE_DESCRIPTION:
-        return pht('Edited');
-
-      case self::TYPE_OWNER:
-        if ($this->getAuthorPHID() == $new) {
-          return pht('Claimed');
-        } else if (!$new) {
-          return pht('Unassigned');
-        } else if (!$old) {
-          return pht('Assigned');
-        } else {
-          return pht('Reassigned');
-        }
-
       case PhabricatorTransactions::TYPE_COLUMNS:
         return pht('Changed Project Column');
-
-      case self::TYPE_PRIORITY:
-        if ($old == ManiphestTaskPriority::getDefaultPriority()) {
-          return pht('Triaged');
-        } else if ($old > $new) {
-          return pht('Lowered Priority');
-        } else {
-          return pht('Raised Priority');
-        }
-
-      case self::TYPE_EDGE:
-      case self::TYPE_ATTACH:
-        return pht('Attached');
-
-      case self::TYPE_UNBLOCK:
-        $old_status = head($old);
-        $new_status = head($new);
-
-        $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
-        $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
-
-        if ($old_closed && !$new_closed) {
-          return pht('Block');
-        } else if (!$old_closed && $new_closed) {
-          return pht('Unblock');
-        } else {
-          return pht('Blocker');
-        }
-
-      case self::TYPE_MERGED_INTO:
-      case self::TYPE_MERGED_FROM:
-        return pht('Merged');
-
     }
 
     return parent::getActionName();
   }
 
   public function getIcon() {
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
     switch ($this->getTransactionType()) {
-      case self::TYPE_OWNER:
-        return 'fa-user';
-
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          return 'fa-pencil';
-        }
-
-        return 'fa-pencil';
-
-      case self::TYPE_STATUS:
-        $action = ManiphestTaskStatus::getStatusIcon($new);
-        if ($action !== null) {
-          return $action;
-        }
-
-        if (ManiphestTaskStatus::isClosedStatus($new)) {
-          return 'fa-check';
-        } else {
-          return 'fa-pencil';
-        }
-
-      case self::TYPE_DESCRIPTION:
-        return 'fa-pencil';
-
       case PhabricatorTransactions::TYPE_COLUMNS:
         return 'fa-columns';
-
-      case self::TYPE_MERGED_INTO:
-        return 'fa-check';
-      case self::TYPE_MERGED_FROM:
-        return 'fa-compress';
-
-      case self::TYPE_PRIORITY:
-        if ($old == ManiphestTaskPriority::getDefaultPriority()) {
-          return 'fa-arrow-right';
-        } else if ($old > $new) {
-          return 'fa-arrow-down';
-        } else {
-          return 'fa-arrow-up';
-        }
-
-      case self::TYPE_EDGE:
-      case self::TYPE_ATTACH:
-        return 'fa-thumb-tack';
-
-      case self::TYPE_UNBLOCK:
-        return 'fa-shield';
-
     }
 
     return parent::getIcon();
   }
 
 
-
   public function getTitle() {
     $author_phid = $this->getAuthorPHID();
 
@@ -400,244 +124,13 @@ final class ManiphestTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case PhabricatorTransactions::TYPE_CREATE:
-        return pht(
-          '%s created this task.',
-          $this->renderHandleLink($author_phid));
       case PhabricatorTransactions::TYPE_SUBTYPE:
         return pht(
           '%s changed the subtype of this task from "%s" to "%s".',
           $this->renderHandleLink($author_phid),
           $this->renderSubtypeName($old),
           $this->renderSubtypeName($new));
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          return pht(
-            '%s created this task.',
-            $this->renderHandleLink($author_phid));
-        }
-        return pht(
-          '%s changed the title from "%s" to "%s".',
-          $this->renderHandleLink($author_phid),
-          $old,
-          $new);
-
-      case self::TYPE_DESCRIPTION:
-        return pht(
-          '%s edited the task description.',
-          $this->renderHandleLink($author_phid));
-
-      case self::TYPE_STATUS:
-        $old_closed = ManiphestTaskStatus::isClosedStatus($old);
-        $new_closed = ManiphestTaskStatus::isClosedStatus($new);
-
-        $old_name = ManiphestTaskStatus::getTaskStatusName($old);
-        $new_name = ManiphestTaskStatus::getTaskStatusName($new);
-
-        $commit_phid = $this->getMetadataValue('commitPHID');
-
-        if ($new_closed && !$old_closed) {
-          if ($new == ManiphestTaskStatus::getDuplicateStatus()) {
-            if ($commit_phid) {
-              return pht(
-                '%s closed this task as a duplicate by committing %s.',
-                $this->renderHandleLink($author_phid),
-                $this->renderHandleLink($commit_phid));
-            } else {
-              return pht(
-                '%s closed this task as a duplicate.',
-                $this->renderHandleLink($author_phid));
-            }
-          } else {
-            if ($commit_phid) {
-              return pht(
-                '%s closed this task as "%s" by committing %s.',
-                $this->renderHandleLink($author_phid),
-                $new_name,
-                $this->renderHandleLink($commit_phid));
-            } else {
-              return pht(
-                '%s closed this task as "%s".',
-                $this->renderHandleLink($author_phid),
-                $new_name);
-            }
-          }
-        } else if (!$new_closed && $old_closed) {
-          if ($commit_phid) {
-            return pht(
-              '%s reopened this task as "%s" by committing %s.',
-              $this->renderHandleLink($author_phid),
-              $new_name,
-              $this->renderHandleLink($commit_phid));
-          } else {
-            return pht(
-              '%s reopened this task as "%s".',
-              $this->renderHandleLink($author_phid),
-              $new_name);
-          }
-        } else {
-          if ($commit_phid) {
-            return pht(
-              '%s changed the task status from "%s" to "%s" by committing %s.',
-              $this->renderHandleLink($author_phid),
-              $old_name,
-              $new_name,
-              $this->renderHandleLink($commit_phid));
-          } else {
-            return pht(
-              '%s changed the task status from "%s" to "%s".',
-              $this->renderHandleLink($author_phid),
-              $old_name,
-              $new_name);
-          }
-        }
-
-      case self::TYPE_UNBLOCK:
-        $blocker_phid = key($new);
-        $old_status = head($old);
-        $new_status = head($new);
-
-        $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
-        $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
-
-        $old_name = ManiphestTaskStatus::getTaskStatusName($old_status);
-        $new_name = ManiphestTaskStatus::getTaskStatusName($new_status);
-
-        if ($this->getMetadataValue('blocker.new')) {
-          return pht(
-            '%s created subtask %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid));
-        } else if ($old_closed && !$new_closed) {
-          return pht(
-            '%s reopened subtask %s as "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid),
-            $new_name);
-        } else if (!$old_closed && $new_closed) {
-          return pht(
-            '%s closed subtask %s as "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid),
-            $new_name);
-        } else {
-          return pht(
-            '%s changed the status of subtask %s from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid),
-            $old_name,
-            $new_name);
-        }
-
-      case self::TYPE_OWNER:
-        if ($author_phid == $new) {
-          return pht(
-            '%s claimed this task.',
-            $this->renderHandleLink($author_phid));
-        } else if (!$new) {
-          return pht(
-            '%s removed %s as the assignee of this task.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($old));
-        } else if (!$old) {
-          return pht(
-            '%s assigned this task to %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($new));
-        } else {
-          return pht(
-            '%s reassigned this task from %s to %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($old),
-            $this->renderHandleLink($new));
-        }
-
-      case self::TYPE_PRIORITY:
-        $old_name = ManiphestTaskPriority::getTaskPriorityName($old);
-        $new_name = ManiphestTaskPriority::getTaskPriorityName($new);
-
-        if ($old == ManiphestTaskPriority::getDefaultPriority()) {
-          return pht(
-            '%s triaged this task as "%s" priority.',
-            $this->renderHandleLink($author_phid),
-            $new_name);
-        } else if ($old > $new) {
-          return pht(
-            '%s lowered the priority of this task from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $old_name,
-            $new_name);
-        } else {
-          return pht(
-            '%s raised the priority of this task from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $old_name,
-            $new_name);
-        }
-
-      case self::TYPE_ATTACH:
-        $old = nonempty($old, array());
-        $new = nonempty($new, array());
-        $new = array_keys(idx($new, 'FILE', array()));
-        $old = array_keys(idx($old, 'FILE', array()));
-
-        $added = array_diff($new, $old);
-        $removed = array_diff($old, $new);
-        if ($added && !$removed) {
-          return pht(
-            '%s attached %s file(s): %s.',
-            $this->renderHandleLink($author_phid),
-            phutil_count($added),
-            $this->renderHandleList($added));
-        } else if ($removed && !$added) {
-          return pht(
-            '%s detached %s file(s): %s.',
-            $this->renderHandleLink($author_phid),
-            phutil_count($removed),
-            $this->renderHandleList($removed));
-        } else {
-          return pht(
-            '%s changed file(s), attached %s: %s; detached %s: %s.',
-            $this->renderHandleLink($author_phid),
-            phutil_count($added),
-            $this->renderHandleList($added),
-            phutil_count($removed),
-            $this->renderHandleList($removed));
-        }
-
-      case self::TYPE_MERGED_INTO:
-        return pht(
-          '%s closed this task as a duplicate of %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($new));
         break;
-
-      case self::TYPE_MERGED_FROM:
-        return pht(
-          '%s merged %s task(s): %s.',
-          $this->renderHandleLink($author_phid),
-          phutil_count($new),
-          $this->renderHandleList($new));
-        break;
-
-      case self::TYPE_POINTS:
-        if ($old === null) {
-          return pht(
-            '%s set the point value for this task to %s.',
-            $this->renderHandleLink($author_phid),
-            $new);
-        } else if ($new === null) {
-          return pht(
-            '%s removed the point value for this task.',
-            $this->renderHandleLink($author_phid));
-        } else {
-          return pht(
-            '%s changed the point value for this task from %s to %s.',
-            $this->renderHandleLink($author_phid),
-            $old,
-            $new);
-        }
-
     }
 
     return parent::getTitle();
@@ -651,236 +144,6 @@ final class ManiphestTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          return pht(
-            '%s created %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
-        }
-
-        return pht(
-          '%s renamed %s from "%s" to "%s".',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid),
-          $old,
-          $new);
-
-      case self::TYPE_DESCRIPTION:
-        return pht(
-          '%s edited the description of %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-
-      case self::TYPE_STATUS:
-        $old_closed = ManiphestTaskStatus::isClosedStatus($old);
-        $new_closed = ManiphestTaskStatus::isClosedStatus($new);
-
-        $old_name = ManiphestTaskStatus::getTaskStatusName($old);
-        $new_name = ManiphestTaskStatus::getTaskStatusName($new);
-
-        $commit_phid = $this->getMetadataValue('commitPHID');
-
-        if ($new_closed && !$old_closed) {
-          if ($new == ManiphestTaskStatus::getDuplicateStatus()) {
-            if ($commit_phid) {
-              return pht(
-                '%s closed %s as a duplicate by committing %s.',
-                $this->renderHandleLink($author_phid),
-                $this->renderHandleLink($object_phid),
-                $this->renderHandleLink($commit_phid));
-            } else {
-              return pht(
-                '%s closed %s as a duplicate.',
-                $this->renderHandleLink($author_phid),
-                $this->renderHandleLink($object_phid));
-            }
-          } else {
-            if ($commit_phid) {
-              return pht(
-                '%s closed %s as "%s" by committing %s.',
-                $this->renderHandleLink($author_phid),
-                $this->renderHandleLink($object_phid),
-                $new_name,
-                $this->renderHandleLink($commit_phid));
-            } else {
-              return pht(
-                '%s closed %s as "%s".',
-                $this->renderHandleLink($author_phid),
-                $this->renderHandleLink($object_phid),
-                $new_name);
-            }
-          }
-        } else if (!$new_closed && $old_closed) {
-          if ($commit_phid) {
-            return pht(
-              '%s reopened %s as "%s" by committing %s.',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink($object_phid),
-              $new_name,
-              $this->renderHandleLink($commit_phid));
-          } else {
-            return pht(
-              '%s reopened %s as "%s".',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink($object_phid),
-              $new_name);
-          }
-        } else {
-          if ($commit_phid) {
-            return pht(
-              '%s changed the status of %s from "%s" to "%s" by committing %s.',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink($object_phid),
-              $old_name,
-              $new_name,
-              $this->renderHandleLink($commit_phid));
-          } else {
-            return pht(
-              '%s changed the status of %s from "%s" to "%s".',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink($object_phid),
-              $old_name,
-              $new_name);
-          }
-        }
-
-      case self::TYPE_UNBLOCK:
-        $blocker_phid = key($new);
-        $old_status = head($old);
-        $new_status = head($new);
-
-        $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
-        $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
-
-        $old_name = ManiphestTaskStatus::getTaskStatusName($old_status);
-        $new_name = ManiphestTaskStatus::getTaskStatusName($new_status);
-
-        if ($old_closed && !$new_closed) {
-          return pht(
-            '%s reopened %s, a subtask of %s, as "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid),
-            $this->renderHandleLink($object_phid),
-            $new_name);
-        } else if (!$old_closed && $new_closed) {
-          return pht(
-            '%s closed %s, a subtask of %s, as "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid),
-            $this->renderHandleLink($object_phid),
-            $new_name);
-        } else {
-          return pht(
-            '%s changed the status of %s, a subtask of %s, '.
-            'from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($blocker_phid),
-            $this->renderHandleLink($object_phid),
-            $old_name,
-            $new_name);
-        }
-
-      case self::TYPE_OWNER:
-        if ($author_phid == $new) {
-          return pht(
-            '%s claimed %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
-        } else if (!$new) {
-          return pht(
-            '%s placed %s up for grabs.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
-        } else if (!$old) {
-          return pht(
-            '%s assigned %s to %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            $this->renderHandleLink($new));
-        } else {
-          return pht(
-            '%s reassigned %s from %s to %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            $this->renderHandleLink($old),
-            $this->renderHandleLink($new));
-        }
-
-      case self::TYPE_PRIORITY:
-        $old_name = ManiphestTaskPriority::getTaskPriorityName($old);
-        $new_name = ManiphestTaskPriority::getTaskPriorityName($new);
-
-        if ($old == ManiphestTaskPriority::getDefaultPriority()) {
-          return pht(
-            '%s triaged %s as "%s" priority.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            $new_name);
-        } else if ($old > $new) {
-          return pht(
-            '%s lowered the priority of %s from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            $old_name,
-            $new_name);
-        } else {
-          return pht(
-            '%s raised the priority of %s from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            $old_name,
-            $new_name);
-        }
-
-      case self::TYPE_ATTACH:
-        $old = nonempty($old, array());
-        $new = nonempty($new, array());
-        $new = array_keys(idx($new, 'FILE', array()));
-        $old = array_keys(idx($old, 'FILE', array()));
-
-        $added = array_diff($new, $old);
-        $removed = array_diff($old, $new);
-        if ($added && !$removed) {
-          return pht(
-            '%s attached %d file(s) of %s: %s',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            count($added),
-            $this->renderHandleList($added));
-        } else if ($removed && !$added) {
-          return pht(
-            '%s detached %d file(s) of %s: %s',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            count($removed),
-            $this->renderHandleList($removed));
-        } else {
-          return pht(
-            '%s changed file(s) for %s, attached %d: %s; detached %d: %s',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid),
-            count($added),
-            $this->renderHandleList($added),
-            count($removed),
-            $this->renderHandleList($removed));
-        }
-
-      case self::TYPE_MERGED_INTO:
-        return pht(
-          '%s merged task %s into %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid),
-          $this->renderHandleLink($new));
-
-      case self::TYPE_MERGED_FROM:
-        return pht(
-          '%s merged %s task(s) %s into %s.',
-          $this->renderHandleLink($author_phid),
-          phutil_count($new),
-          $this->renderHandleList($new),
-          $this->renderHandleLink($object_phid));
-
       case PhabricatorTransactions::TYPE_SUBTYPE:
         return pht(
           '%s changed the subtype of %s from "%s" to "%s".',
@@ -893,39 +156,14 @@ final class ManiphestTransaction
     return parent::getTitleForFeed();
   }
 
-  private function renderSubtypeName($value) {
-    $object = $this->getObject();
-    $map = $object->newEditEngineSubtypeMap();
-    if (!isset($map[$value])) {
-      return $value;
-    }
-
-    return $map[$value]->getName();
-  }
-
-  public function hasChangeDetails() {
-    switch ($this->getTransactionType()) {
-      case self::TYPE_DESCRIPTION:
-        return true;
-    }
-    return parent::hasChangeDetails();
-  }
-
-  public function renderChangeDetails(PhabricatorUser $viewer) {
-    return $this->renderTextCorpusChangeDetails(
-      $viewer,
-      $this->getOldValue(),
-      $this->getNewValue());
-  }
-
   public function getMailTags() {
     $tags = array();
     switch ($this->getTransactionType()) {
-      case self::TYPE_MERGED_INTO:
+      case ManiphestTaskMergedIntoTransaction::TRANSACTIONTYPE:
-      case self::TYPE_STATUS:
+      case ManiphestTaskStatusTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_STATUS;
         break;
-      case self::TYPE_OWNER:
+      case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_OWNER;
         break;
       case PhabricatorTransactions::TYPE_SUBSCRIBERS:
@@ -941,10 +179,10 @@ final class ManiphestTransaction
             break;
         }
         break;
-      case self::TYPE_PRIORITY:
+      case ManiphestTaskPriorityTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_PRIORITY;
         break;
-      case self::TYPE_UNBLOCK:
+      case ManiphestTaskUnblockTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_UNBLOCK;
         break;
       case PhabricatorTransactions::TYPE_COLUMNS:
@@ -961,13 +199,12 @@ final class ManiphestTransaction
   }
 
   public function getNoEffectDescription() {
-
     switch ($this->getTransactionType()) {
-      case self::TYPE_STATUS:
+      case ManiphestTaskStatusTransaction::TRANSACTIONTYPE:
         return pht('The task already has the selected status.');
-      case self::TYPE_OWNER:
+      case ManiphestTaskOwnerTransaction::TRANSACTIONTYPE:
         return pht('The task already has the selected owner.');
-      case self::TYPE_PRIORITY:
+      case ManiphestTaskPriorityTransaction::TRANSACTIONTYPE:
         return pht('The task already has the selected priority.');
     }
 

src/applications/maniphest/xaction/ManiphestTaskAttachTransaction.php

@@ -0,0 +1,91 @@
+<?php
+
+final class ManiphestTaskAttachTransaction
+  extends ManiphestTaskTransactionType {
+
+  // NOTE: this type is deprecated. Keep it around for legacy installs
+  // so any transactions render correctly.
+
+  const TRANSACTIONTYPE = 'attach';
+
+  public function getActionName() {
+    return pht('Attached');
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old = nonempty($old, array());
+    $new = nonempty($new, array());
+    $new = array_keys(idx($new, 'FILE', array()));
+    $old = array_keys(idx($old, 'FILE', array()));
+
+    $added = array_diff($new, $old);
+    $removed = array_diff($old, $new);
+    if ($added && !$removed) {
+      return pht(
+        '%s attached %s file(s): %s.',
+        $this->renderAuthor(),
+        phutil_count($added),
+        $this->renderHandleList($added));
+    } else if ($removed && !$added) {
+      return pht(
+        '%s detached %s file(s): %s.',
+        $this->renderAuthor(),
+        phutil_count($removed),
+        $this->renderHandleList($removed));
+    } else {
+      return pht(
+        '%s changed file(s), attached %s: %s; detached %s: %s.',
+        $this->renderAuthor(),
+        phutil_count($added),
+        $this->renderHandleList($added),
+        phutil_count($removed),
+        $this->renderHandleList($removed));
+    }
+
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old = nonempty($old, array());
+    $new = nonempty($new, array());
+    $new = array_keys(idx($new, 'FILE', array()));
+    $old = array_keys(idx($old, 'FILE', array()));
+
+    $added = array_diff($new, $old);
+    $removed = array_diff($old, $new);
+    if ($added && !$removed) {
+      return pht(
+        '%s attached %d file(s) of %s: %s',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        count($added),
+        $this->renderHandleList($added));
+    } else if ($removed && !$added) {
+      return pht(
+        '%s detached %d file(s) of %s: %s',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        count($removed),
+        $this->renderHandleList($removed));
+    } else {
+      return pht(
+        '%s changed file(s) for %s, attached %d: %s; detached %d: %s',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        count($added),
+        $this->renderHandleList($added),
+        count($removed),
+        $this->renderHandleList($removed));
+    }
+  }
+
+  public function getIcon() {
+    return 'fa-thumb-tack';
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskCoverImageTransaction.php

@@ -0,0 +1,106 @@
+<?php
+
+final class ManiphestTaskCoverImageTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'cover-image';
+
+  public function generateOldValue($object) {
+    return $object->getCoverImageFilePHID();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $file_phid = $value;
+
+    if ($file_phid) {
+      $file = id(new PhabricatorFileQuery())
+        ->setViewer($this->getActor())
+        ->withPHIDs(array($file_phid))
+        ->executeOne();
+    } else {
+      $file = null;
+    }
+
+    if (!$file || !$file->isTransformableImage()) {
+      $object->setProperty('cover.filePHID', null);
+      $object->setProperty('cover.thumbnailPHID', null);
+      return;
+    }
+
+    $xform_key = PhabricatorFileThumbnailTransform::TRANSFORM_WORKCARD;
+    $xform = PhabricatorFileTransform::getTransformByKey($xform_key)
+      ->executeTransform($file);
+
+    $object->setProperty('cover.filePHID', $file->getPHID());
+    $object->setProperty('cover.thumbnailPHID', $xform->getPHID());
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old === null) {
+      return pht(
+        '%s set the cover image to %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($new));
+    }
+
+    return pht(
+      '%s updated the cover image to %s.',
+      $this->renderAuthor(),
+      $this->renderHandle($new));
+
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    if ($old === null) {
+      return pht(
+        '%s added a cover image to %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    }
+
+    return pht(
+      '%s updated the cover image for %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+    $viewer = $this->getActor();
+
+    foreach ($xactions as $xaction) {
+      $file_phid = $xaction->getNewValue();
+
+      $file = id(new PhabricatorFileQuery())
+        ->setViewer($viewer)
+        ->withPHIDs(array($file_phid))
+        ->executeOne();
+
+      if (!$file) {
+        $errors[] = $this->newInvalidError(
+          pht('"%s" is not a valid file PHID.',
+          $file_phid));
+      } else {
+        if (!$file->isViewableImage()) {
+          $mime_type = $file->getMimeType();
+          $errors[] = $this->newInvalidError(
+            pht('File mime type of "%s" is not a valid viewable image.',
+            $mime_type));
+        }
+      }
+
+    }
+
+    return $errors;
+  }
+
+  public function getIcon() {
+    return 'fa-image';
+  }
+
+
+}

src/applications/maniphest/xaction/ManiphestTaskDescriptionTransaction.php

@@ -0,0 +1,61 @@
+<?php
+
+final class ManiphestTaskDescriptionTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'description';
+
+  public function generateOldValue($object) {
+    return $object->getDescription();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setDescription($value);
+  }
+
+  public function getActionName() {
+    return pht('Edited');
+  }
+
+  public function getTitle() {
+    return pht(
+      '%s updated the task description.',
+      $this->renderAuthor());
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s updated the task description for %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function hasChangeDetailView() {
+    return true;
+  }
+
+  public function getMailDiffSectionHeader() {
+    return pht('CHANGES TO TASK DESCRIPTION');
+  }
+
+  public function newChangeDetailView() {
+    $viewer = $this->getViewer();
+
+    return id(new PhabricatorApplicationTransactionTextDiffDetailView())
+      ->setViewer($viewer)
+      ->setOldText($this->getOldValue())
+      ->setNewText($this->getNewValue());
+  }
+
+  public function newRemarkupChanges() {
+    $changes = array();
+
+    $changes[] = $this->newRemarkupChange()
+      ->setOldValue($this->getOldValue())
+      ->setNewValue($this->getNewValue());
+
+    return $changes;
+  }
+
+
+}

src/applications/maniphest/xaction/ManiphestTaskEdgeTransaction.php

@@ -0,0 +1,31 @@
+<?php
+
+final class ManiphestTaskEdgeTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'edge';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function shouldHide() {
+    $commit_phid = $this->getMetadataValue('commitPHID');
+    $edge_type = $this->getMetadataValue('edge:type');
+
+    if ($edge_type == ManiphestTaskHasCommitEdgeType::EDGECONST) {
+      if ($commit_phid) {
+        return true;
+      }
+    }
+  }
+
+  public function getActionName() {
+    return pht('Attached');
+  }
+
+  public function getIcon() {
+    return 'fa-thumb-tack';
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskMergedFromTransaction.php

@@ -0,0 +1,45 @@
+<?php
+
+final class ManiphestTaskMergedFromTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'mergedfrom';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function getActionName() {
+    return pht('Merged');
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s merged %s task(s): %s.',
+      $this->renderAuthor(),
+      phutil_count($new),
+      $this->renderHandleList($new));
+  }
+
+  public function getTitleForFeed() {
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s merged %s task(s) %s into %s.',
+      $this->renderAuthor(),
+      phutil_count($new),
+      $this->renderHandleList($new),
+      $this->renderObject());
+  }
+
+  public function getIcon() {
+    return 'fa-compress';
+  }
+
+  public function getColor() {
+    return 'orange';
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskMergedIntoTransaction.php

@@ -0,0 +1,47 @@
+<?php
+
+final class ManiphestTaskMergedIntoTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'mergedinto';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setStatus(ManiphestTaskStatus::getDuplicateStatus());
+  }
+
+  public function getActionName() {
+    return pht('Merged');
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s closed this task as a duplicate of %s.',
+      $this->renderAuthor(),
+      $this->renderHandle($new));
+  }
+
+  public function getTitleForFeed() {
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s merged task %s into %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderHandle($new));
+  }
+
+  public function getIcon() {
+    return 'fa-check';
+  }
+
+  public function getColor() {
+    return 'indigo';
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskOwnerTransaction.php

@@ -0,0 +1,158 @@
+<?php
+
+final class ManiphestTaskOwnerTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'reassign';
+
+  public function generateOldValue($object) {
+    return nonempty($object->getOwnerPHID(), null);
+  }
+
+  public function applyInternalEffects($object, $value) {
+    // Update the "ownerOrdering" column to contain the full name of the
+    // owner, if the task is assigned.
+
+    $handle = null;
+    if ($value) {
+      $handle = id(new PhabricatorHandleQuery())
+        ->setViewer($this->getActor())
+        ->withPHIDs(array($value))
+        ->executeOne();
+    }
+
+    if ($handle) {
+      $object->setOwnerOrdering($handle->getName());
+    } else {
+      $object->setOwnerOrdering(null);
+    }
+
+    $object->setOwnerPHID($value);
+  }
+
+  public function getActionStrength() {
+    return 1.2;
+  }
+
+  public function getActionName() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($this->getAuthorPHID() == $new) {
+      return pht('Claimed');
+    } else if (!$new) {
+      return pht('Unassigned');
+    } else if (!$old) {
+      return pht('Assigned');
+    } else {
+      return pht('Reassigned');
+    }
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($this->getAuthorPHID() == $new) {
+      return pht(
+        '%s claimed this task.',
+        $this->renderAuthor());
+    } else if (!$new) {
+      return pht(
+        '%s removed %s as the assignee of this task.',
+        $this->renderAuthor(),
+        $this->renderHandle($old));
+    } else if (!$old) {
+      return pht(
+        '%s assigned this task to %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($new));
+    } else {
+      return pht(
+        '%s reassigned this task from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($old),
+        $this->renderHandle($new));
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($this->getAuthorPHID() == $new) {
+      return pht(
+        '%s claimed %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    } else if (!$new) {
+      return pht(
+        '%s placed %s up for grabs.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    } else if (!$old) {
+      return pht(
+        '%s assigned %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderHandle($new));
+    } else {
+      return pht(
+        '%s reassigned %s from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderHandle($old),
+        $this->renderHandle($new));
+    }
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    foreach ($xactions as $xaction) {
+      $old = $xaction->getOldValue();
+      $new = $xaction->getNewValue();
+      if (!strlen($new)) {
+        continue;
+      }
+
+      if ($new === $old) {
+        continue;
+      }
+
+      $assignee_list = id(new PhabricatorPeopleQuery())
+        ->setViewer($this->getActor())
+        ->withPHIDs(array($new))
+        ->execute();
+
+      if (!$assignee_list) {
+        $errors[] = $this->newInvalidError(
+          pht('User "%s" is not a valid user.',
+          $new));
+      }
+    }
+    return $errors;
+  }
+
+  public function getIcon() {
+    return 'fa-user';
+  }
+
+  public function getColor() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($this->getAuthorPHID() == $new) {
+      return 'green';
+    } else if (!$new) {
+      return 'black';
+    } else if (!$old) {
+      return 'green';
+    } else {
+      return 'green';
+    }
+
+  }
+
+
+}

src/applications/maniphest/xaction/ManiphestTaskParentTransaction.php

@@ -0,0 +1,60 @@
+<?php
+
+final class ManiphestTaskParentTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'parent';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function shouldHide() {
+    return true;
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $parent_phid = $value;
+    $parent_type = ManiphestTaskDependsOnTaskEdgeType::EDGECONST;
+    $task_phid = $object->getPHID();
+
+    id(new PhabricatorEdgeEditor())
+      ->addEdge($parent_phid, $parent_type, $task_phid)
+      ->save();
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    $with_effect = array();
+    foreach ($xactions as $xaction) {
+      $task_phid = $xaction->getNewValue();
+      if (!$task_phid) {
+        continue;
+      }
+
+      $with_effect[] = $xaction;
+
+      $task = id(new ManiphestTaskQuery())
+        ->setViewer($this->getActor())
+        ->withPHIDs(array($task_phid))
+        ->executeOne();
+      if (!$task) {
+        $errors[] = $this->newInvalidError(
+          pht(
+            'Parent task identifier "%s" does not identify a visible '.
+            'task.',
+            $task_phid));
+      }
+    }
+
+    if ($with_effect && !$this->isNewObject()) {
+      $errors[] = $this->newInvalidError(
+        pht(
+          'You can only select a parent task when creating a '.
+          'transaction for the first time.'));
+    }
+
+    return $errors;
+  }
+}

src/applications/maniphest/xaction/ManiphestTaskPointsTransaction.php

@@ -0,0 +1,88 @@
+<?php
+
+final class ManiphestTaskPointsTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'points';
+
+  public function generateOldValue($object) {
+    return $this->getValueForPoints($object->getPoints());
+  }
+
+  public function generateNewValue($object, $value) {
+    return $this->getValueForPoints($value);
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setPoints($value);
+  }
+
+  public function shouldHideForFeed() {
+    return true;
+  }
+
+  public function shouldHide() {
+    if (!ManiphestTaskPoints::getIsEnabled()) {
+      return true;
+    }
+    return false;
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old === null) {
+      return pht(
+        '%s set the point value for this task to %s.',
+        $this->renderAuthor(),
+        $this->renderNewValue());
+    } else if ($new === null) {
+      return pht(
+        '%s removed the point value for this task.',
+        $this->renderAuthor());
+    } else {
+      return pht(
+        '%s changed the point value for this task from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderOldValue(),
+        $this->renderNewValue());
+    }
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    foreach ($xactions as $xaction) {
+      $new = $xaction->getNewValue();
+      if (strlen($new) && !is_numeric($new)) {
+        $errors[] = $this->newInvalidError(
+          pht('Points value must be numeric or empty.'));
+        continue;
+      }
+
+      if ((double)$new < 0) {
+        $errors[] = $this->newInvalidError(
+          pht('Points value must be nonnegative.'));
+        continue;
+      }
+    }
+
+    return $errors;
+  }
+
+  public function getIcon() {
+    return 'fa-calculator';
+  }
+
+  private function getValueForPoints($value) {
+    if (!strlen($value)) {
+      $value = null;
+    }
+    if ($value !== null) {
+      $value = (double)$value;
+    }
+    return $value;
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskPriorityTransaction.php

@@ -0,0 +1,119 @@
+<?php
+
+final class ManiphestTaskPriorityTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'priority';
+
+  public function generateOldValue($object) {
+    if ($this->isNewObject()) {
+      return null;
+    }
+    return $object->getPriority();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setPriority($value);
+  }
+
+  public function getActionStrength() {
+    return 1.1;
+  }
+
+  public function getActionName() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old == ManiphestTaskPriority::getDefaultPriority()) {
+      return pht('Triaged');
+    } else if ($old > $new) {
+      return pht('Lowered Priority');
+    } else {
+      return pht('Raised Priority');
+    }
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old_name = ManiphestTaskPriority::getTaskPriorityName($old);
+    $new_name = ManiphestTaskPriority::getTaskPriorityName($new);
+
+    if ($old == ManiphestTaskPriority::getDefaultPriority()) {
+      return pht(
+        '%s triaged this task as %s priority.',
+        $this->renderAuthor(),
+        $this->renderValue($new_name));
+    } else if ($old > $new) {
+      return pht(
+        '%s lowered the priority of this task from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderValue($old_name),
+        $this->renderValue($new_name));
+    } else {
+      return pht(
+        '%s raised the priority of this task from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderValue($old_name),
+        $this->renderValue($new_name));
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old_name = ManiphestTaskPriority::getTaskPriorityName($old);
+    $new_name = ManiphestTaskPriority::getTaskPriorityName($new);
+
+    if ($old == ManiphestTaskPriority::getDefaultPriority()) {
+      return pht(
+        '%s triaged %s as %s priority.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderValue($new_name));
+    } else if ($old > $new) {
+      return pht(
+        '%s lowered the priority of %s from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderValue($old_name),
+        $this->renderValue($new_name));
+    } else {
+      return pht(
+        '%s raised the priority of %s from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderValue($old_name),
+        $this->renderValue($new_name));
+    }
+  }
+
+  public function getIcon() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old == ManiphestTaskPriority::getDefaultPriority()) {
+      return 'fa-arrow-right';
+    } else if ($old > $new) {
+      return 'fa-arrow-down';
+    } else {
+      return 'fa-arrow-up';
+    }
+  }
+
+  public function getColor() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old == ManiphestTaskPriority::getDefaultPriority()) {
+      return 'green';
+    } else if ($old > $new) {
+      return 'grey';
+    } else {
+      return 'yellow';
+    }
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskStatusTransaction.php

@@ -0,0 +1,232 @@
+<?php
+
+final class ManiphestTaskStatusTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'status';
+
+  public function generateOldValue($object) {
+    if ($this->isNewObject()) {
+      return null;
+    }
+    return $object->getStatus();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setStatus($value);
+  }
+
+  public function shouldHide() {
+    if ($this->getOldValue() === null) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  public function getActionStrength() {
+    return 1.3;
+  }
+
+  public function getActionName() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $action = ManiphestTaskStatus::getStatusActionName($new);
+    if ($action) {
+      return $action;
+    }
+
+    $old_closed = ManiphestTaskStatus::isClosedStatus($old);
+    $new_closed = ManiphestTaskStatus::isClosedStatus($new);
+
+    if ($new_closed && !$old_closed) {
+      return pht('Closed');
+    } else if (!$new_closed && $old_closed) {
+      return pht('Reopened');
+    } else {
+      return pht('Changed Status');
+    }
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old_closed = ManiphestTaskStatus::isClosedStatus($old);
+    $new_closed = ManiphestTaskStatus::isClosedStatus($new);
+
+    $old_name = ManiphestTaskStatus::getTaskStatusName($old);
+    $new_name = ManiphestTaskStatus::getTaskStatusName($new);
+
+    $commit_phid = $this->getMetadataValue('commitPHID');
+
+    if ($new_closed && !$old_closed) {
+      if ($new == ManiphestTaskStatus::getDuplicateStatus()) {
+        if ($commit_phid) {
+          return pht(
+            '%s closed this task as a duplicate by committing %s.',
+            $this->renderAuthor(),
+            $this->renderHandle($commit_phid));
+        } else {
+          return pht(
+            '%s closed this task as a duplicate.',
+            $this->renderAuthor());
+        }
+      } else {
+        if ($commit_phid) {
+          return pht(
+            '%s closed this task as %s by committing %s.',
+            $this->renderAuthor(),
+            $this->renderValue($new_name),
+            $this->renderHandle($commit_phid));
+        } else {
+          return pht(
+            '%s closed this task as %s.',
+            $this->renderAuthor(),
+            $this->renderValue($new_name));
+        }
+      }
+    } else if (!$new_closed && $old_closed) {
+      if ($commit_phid) {
+        return pht(
+          '%s reopened this task as %s by committing %s.',
+          $this->renderAuthor(),
+          $this->renderValue($new_name),
+          $this->renderHandle($commit_phid));
+      } else {
+        return pht(
+          '%s reopened this task as %s.',
+          $this->renderAuthor(),
+          $this->renderValue($new_name));
+      }
+    } else {
+      if ($commit_phid) {
+        return pht(
+          '%s changed the task status from %s to %s by committing %s.',
+          $this->renderAuthor(),
+          $this->renderValue($old_name),
+          $this->renderValue($new_name),
+          $this->renderHandle($commit_phid));
+      } else {
+        return pht(
+          '%s changed the task status from %s to %s.',
+          $this->renderAuthor(),
+          $this->renderValue($old_name),
+          $this->renderValue($new_name));
+      }
+    }
+
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old_closed = ManiphestTaskStatus::isClosedStatus($old);
+    $new_closed = ManiphestTaskStatus::isClosedStatus($new);
+
+    $old_name = ManiphestTaskStatus::getTaskStatusName($old);
+    $new_name = ManiphestTaskStatus::getTaskStatusName($new);
+
+    $commit_phid = $this->getMetadataValue('commitPHID');
+
+    if ($new_closed && !$old_closed) {
+      if ($new == ManiphestTaskStatus::getDuplicateStatus()) {
+        if ($commit_phid) {
+          return pht(
+            '%s closed %s as a duplicate by committing %s.',
+            $this->renderAuthor(),
+            $this->renderObject(),
+            $this->renderHandle($commit_phid));
+        } else {
+          return pht(
+            '%s closed %s as a duplicate.',
+            $this->renderAuthor(),
+            $this->renderObject());
+        }
+      } else {
+        if ($commit_phid) {
+          return pht(
+            '%s closed %s as %s by committing %s.',
+            $this->renderAuthor(),
+            $this->renderObject(),
+            $this->renderValue($new_name),
+            $this->renderHandle($commit_phid));
+        } else {
+          return pht(
+            '%s closed %s as %s.',
+            $this->renderAuthor(),
+            $this->renderObject(),
+            $this->renderValue($new_name));
+        }
+      }
+    } else if (!$new_closed && $old_closed) {
+      if ($commit_phid) {
+        return pht(
+          '%s reopened %s as %s by committing %s.',
+          $this->renderAuthor(),
+          $this->renderObject(),
+          $this->renderValue($new_name),
+          $this->renderHandle($commit_phid));
+      } else {
+        return pht(
+          '%s reopened %s as "%s".',
+          $this->renderAuthor(),
+          $this->renderObject(),
+          $new_name);
+      }
+    } else {
+      if ($commit_phid) {
+        return pht(
+          '%s changed the status of %s from %s to %s by committing %s.',
+          $this->renderAuthor(),
+          $this->renderObject(),
+          $this->renderValue($old_name),
+          $this->renderValue($new_name),
+          $this->renderHandle($commit_phid));
+      } else {
+        return pht(
+          '%s changed the status of %s from %s to %s.',
+          $this->renderAuthor(),
+          $this->renderObject(),
+          $this->renderValue($old_name),
+          $this->renderValue($new_name));
+      }
+    }
+  }
+
+  public function getIcon() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $action = ManiphestTaskStatus::getStatusIcon($new);
+    if ($action !== null) {
+      return $action;
+    }
+
+    if (ManiphestTaskStatus::isClosedStatus($new)) {
+      return 'fa-check';
+    } else {
+      return 'fa-pencil';
+    }
+  }
+
+  public function getColor() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $color = ManiphestTaskStatus::getStatusColor($new);
+    if ($color !== null) {
+      return $color;
+    }
+
+    if (ManiphestTaskStatus::isOpenStatus($new)) {
+      return 'green';
+    } else {
+      return 'indigo';
+    }
+
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskSubpriorityTransaction.php

@@ -0,0 +1,21 @@
+<?php
+
+final class ManiphestTaskSubpriorityTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'subpriority';
+
+  public function generateOldValue($object) {
+    return $object->getSubpriority();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setSubpriority($value);
+  }
+
+  public function shouldHide() {
+    return true;
+  }
+
+
+}

src/applications/maniphest/xaction/ManiphestTaskTitleTransaction.php

@@ -0,0 +1,74 @@
+<?php
+
+final class ManiphestTaskTitleTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'title';
+
+  public function generateOldValue($object) {
+    return $object->getTitle();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setTitle($value);
+  }
+
+  public function getActionStrength() {
+    return 1.4;
+  }
+
+  public function getActionName() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+    if ($old === null) {
+      return pht('Created');
+    }
+
+    return pht('Retitled');
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    if ($old === null) {
+      return pht(
+        '%s created this task.',
+        $this->renderAuthor());
+    }
+
+    return pht(
+      '%s renamed this task from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    if ($old === null) {
+      return pht(
+        '%s created %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    }
+
+    return pht(
+      '%s renamed %s from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    if ($this->isEmptyTextTransaction($object->getTitle(), $xactions)) {
+      $errors[] = $this->newRequiredError(
+        pht('Tasks must have a title.'));
+    }
+
+    return $errors;
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskTransactionType.php

@@ -0,0 +1,16 @@
+<?php
+
+abstract class ManiphestTaskTransactionType
+  extends PhabricatorModularTransactionType {
+
+  public function renderSubtypeName($value) {
+    $object = $this->getObject();
+    $map = $object->newEditEngineSubtypeMap();
+    if (!isset($map[$value])) {
+      return $value;
+    }
+
+    return $map[$value]->getName();
+  }
+
+}

src/applications/maniphest/xaction/ManiphestTaskUnblockTransaction.php

@@ -0,0 +1,125 @@
+<?php
+
+final class ManiphestTaskUnblockTransaction
+  extends ManiphestTaskTransactionType {
+
+  const TRANSACTIONTYPE = 'unblock';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function shouldHideForFeed() {
+    // Hide "alice created X, a task blocking Y." from feed because it
+    // will almost always appear adjacent to "alice created Y".
+    $is_new = $this->getMetadataValue('blocker.new');
+    if ($is_new) {
+      return true;
+    }
+  }
+
+  public function getActionName() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $old_status = head($old);
+    $new_status = head($new);
+
+    $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
+    $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
+
+    if ($old_closed && !$new_closed) {
+      return pht('Block');
+    } else if (!$old_closed && $new_closed) {
+      return pht('Unblock');
+    } else {
+      return pht('Blocker');
+    }
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $blocker_phid = key($new);
+    $old_status = head($old);
+    $new_status = head($new);
+
+    $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
+    $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
+
+    $old_name = ManiphestTaskStatus::getTaskStatusName($old_status);
+    $new_name = ManiphestTaskStatus::getTaskStatusName($new_status);
+
+    if ($this->getMetadataValue('blocker.new')) {
+      return pht(
+        '%s created subtask %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid));
+    } else if ($old_closed && !$new_closed) {
+      return pht(
+        '%s reopened subtask %s as %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid),
+        $this->renderValue($new_name));
+    } else if (!$old_closed && $new_closed) {
+      return pht(
+        '%s closed subtask %s as %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid),
+        $this->renderValue($new_name));
+    } else {
+      return pht(
+        '%s changed the status of subtask %s from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid),
+        $this->renderValue($old_name),
+        $this->renderValue($new_name));
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+    $blocker_phid = key($new);
+    $old_status = head($old);
+    $new_status = head($new);
+
+    $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
+    $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
+
+    $old_name = ManiphestTaskStatus::getTaskStatusName($old_status);
+    $new_name = ManiphestTaskStatus::getTaskStatusName($new_status);
+
+    if ($old_closed && !$new_closed) {
+      return pht(
+        '%s reopened %s, a subtask of %s, as %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid),
+        $this->renderObject(),
+        $this->renderValue($new_name));
+    } else if (!$old_closed && $new_closed) {
+      return pht(
+        '%s closed %s, a subtask of %s, as %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid),
+        $this->renderObject(),
+        $this->renderValue($new_name));
+    } else {
+      return pht(
+        '%s changed the status of %s, a subtask of %s, '.
+        'from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderHandle($blocker_phid),
+        $this->renderObject(),
+        $this->renderValue($old_name),
+        $this->renderValue($new_name));
+    }
+  }
+
+  public function getIcon() {
+    return 'fa-shield';
+  }
+
+
+}

src/applications/nuance/item/NuanceGitHubEventItemType.php

@@ -390,12 +390,14 @@ final class NuanceGitHubEventItemType
       $state = $xobj->getProperty('task.state');
 
       $xactions[] = id(new ManiphestTransaction())
-        ->setTransactionType(ManiphestTransaction::TYPE_TITLE)
+        ->setTransactionType(
+          ManiphestTaskTitleTransaction::TRANSACTIONTYPE)
         ->setNewValue($title)
         ->setDateCreated($created);
 
       $xactions[] = id(new ManiphestTransaction())
-        ->setTransactionType(ManiphestTransaction::TYPE_DESCRIPTION)
+        ->setTransactionType(
+          ManiphestTaskDescriptionTransaction::TRANSACTIONTYPE)
         ->setNewValue($description)
         ->setDateCreated($created);
 

src/applications/people/query/PhabricatorPeopleSearchEngine.php

@@ -265,6 +265,7 @@ final class PhabricatorPeopleSearchEngine
 
       if ($user->getIsDisabled()) {
         $item->addIcon('fa-ban', pht('Disabled'));
+        $item->setDisabled(true);
       }
 
       if (!$is_approval) {

src/applications/pholio/controller/PholioMockCommentController.php

@@ -45,7 +45,7 @@ final class PholioMockCommentController extends PholioController {
 
     foreach ($inline_comments as $inline_comment) {
       $xactions[] = id(new PholioTransaction())
-        ->setTransactionType(PholioTransaction::TYPE_INLINE)
+        ->setTransactionType(PholioMockInlineTransaction::TRANSACTIONTYPE)
         ->attachComment($inline_comment);
     }
 

src/applications/pholio/controller/PholioMockEditController.php

@@ -151,7 +151,7 @@ final class PholioMockEditController extends PholioController {
             ->setSequence($sequence);
           $xactions[] = id(new PholioTransaction())
             ->setTransactionType(
-              PholioTransaction::TYPE_IMAGE_REPLACE)
+              PholioImageReplaceTransaction::TRANSACTIONTYPE)
             ->setNewValue($replace_image);
           $posted_mock_images[] = $replace_image;
         } else if (!$existing_image) { // this is an add
@@ -162,7 +162,7 @@ final class PholioMockEditController extends PholioController {
             ->setDescription($description)
             ->setSequence($sequence);
           $xactions[] = id(new PholioTransaction())
-            ->setTransactionType(PholioTransaction::TYPE_IMAGE_FILE)
+            ->setTransactionType(PholioImageFileTransaction::TRANSACTIONTYPE)
             ->setNewValue(
               array('+' => array($add_image)));
           $posted_mock_images[] = $add_image;
@@ -178,7 +178,7 @@ final class PholioMockEditController extends PholioController {
                 array($existing_image->getPHID() => $description));
           $xactions[] = id(new PholioTransaction())
             ->setTransactionType(
-              PholioTransaction::TYPE_IMAGE_SEQUENCE)
+              PholioImageSequenceTransaction::TRANSACTIONTYPE)
               ->setNewValue(
                 array($existing_image->getPHID() => $sequence));
 
@@ -189,7 +189,7 @@ final class PholioMockEditController extends PholioController {
         if (!isset($files[$file_phid]) && !isset($replaces[$file_phid])) {
           // this is an outright delete
           $xactions[] = id(new PholioTransaction())
-            ->setTransactionType(PholioTransaction::TYPE_IMAGE_FILE)
+            ->setTransactionType(PholioImageFileTransaction::TRANSACTIONTYPE)
             ->setNewValue(
               array('-' => array($mock_image)));
         }

src/applications/pholio/editor/PholioMockEditor.php

@@ -17,7 +17,8 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     $this->newImages = $new_images;
     return $this;
   }
-  private function getNewImages() {
+
+  public function getNewImages() {
     return $this->newImages;
   }
 
@@ -29,111 +30,17 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     $types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
     $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
 
-    $types[] = PholioTransaction::TYPE_INLINE;
-
-    $types[] = PholioTransaction::TYPE_IMAGE_FILE;
-    $types[] = PholioTransaction::TYPE_IMAGE_REPLACE;
-    $types[] = PholioTransaction::TYPE_IMAGE_SEQUENCE;
-
     return $types;
   }
 
-  protected function getCustomTransactionOldValue(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    switch ($xaction->getTransactionType()) {
-      case PholioTransaction::TYPE_IMAGE_FILE:
-        $images = $object->getImages();
-        return mpull($images, 'getPHID');
-      case PholioTransaction::TYPE_IMAGE_REPLACE:
-        $raw = $xaction->getNewValue();
-        return $raw->getReplacesImagePHID();
-      case PholioTransaction::TYPE_IMAGE_SEQUENCE:
-        $sequence = null;
-        $phid = null;
-        $image = $this->getImageForXaction($object, $xaction);
-        if ($image) {
-          $sequence = $image->getSequence();
-          $phid = $image->getPHID();
-        }
-        return array($phid => $sequence);
-    }
-  }
-
-  protected function getCustomTransactionNewValue(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    switch ($xaction->getTransactionType()) {
-      case PholioTransaction::TYPE_IMAGE_SEQUENCE:
-        return $xaction->getNewValue();
-      case PholioTransaction::TYPE_IMAGE_REPLACE:
-        $raw = $xaction->getNewValue();
-        return $raw->getPHID();
-      case PholioTransaction::TYPE_IMAGE_FILE:
-        $raw_new_value = $xaction->getNewValue();
-        $new_value = array();
-        foreach ($raw_new_value as $key => $images) {
-          $new_value[$key] = mpull($images, 'getPHID');
-        }
-        $xaction->setNewValue($new_value);
-        return $this->getPHIDTransactionNewValue($xaction);
-    }
-  }
-
-  protected function extractFilePHIDsFromCustomTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    $images = $this->getNewImages();
-    $images = mpull($images, null, 'getPHID');
-
-    switch ($xaction->getTransactionType()) {
-      case PholioTransaction::TYPE_IMAGE_FILE:
-        $file_phids = array();
-        foreach ($xaction->getNewValue() as $image_phid) {
-          $image = idx($images, $image_phid);
-          if (!$image) {
-            continue;
-          }
-          $file_phids[] = $image->getFilePHID();
-        }
-        return $file_phids;
-      case PholioTransaction::TYPE_IMAGE_REPLACE:
-        $image_phid = $xaction->getNewValue();
-        $image = idx($images, $image_phid);
-
-        if ($image) {
-          return array($image->getFilePHID());
-        }
-        break;
-    }
-
-    return parent::extractFilePHIDsFromCustomTransaction($object, $xaction);
-  }
-
-
-  protected function transactionHasEffect(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    switch ($xaction->getTransactionType()) {
-      case PholioTransaction::TYPE_INLINE:
-        return true;
-    }
-
-    return parent::transactionHasEffect($object, $xaction);
-  }
-
   protected function shouldApplyInitialEffects(
     PhabricatorLiskDAO $object,
     array $xactions) {
 
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case PholioTransaction::TYPE_IMAGE_FILE:
+        case PholioImageFileTransaction::TRANSACTIONTYPE:
-        case PholioTransaction::TYPE_IMAGE_REPLACE:
+        case PholioImageReplaceTransaction::TRANSACTIONTYPE:
           return true;
           break;
       }
@@ -148,7 +55,7 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     $new_images = array();
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case PholioTransaction::TYPE_IMAGE_FILE:
+        case PholioImageFileTransaction::TRANSACTIONTYPE:
           $new_value = $xaction->getNewValue();
           foreach ($new_value as $key => $txn_images) {
             if ($key != '+') {
@@ -160,7 +67,7 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
             }
           }
           break;
-        case PholioTransaction::TYPE_IMAGE_REPLACE:
+        case PholioImageReplaceTransaction::TRANSACTIONTYPE:
           $image = $xaction->getNewValue();
           $image->save();
           $new_images[] = $image;
@@ -170,67 +77,6 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     $this->setNewImages($new_images);
   }
 
-  private function getImageForXaction(
-    PholioMock $mock,
-    PhabricatorApplicationTransaction $xaction) {
-    $raw_new_value = $xaction->getNewValue();
-    $image_phid = key($raw_new_value);
-    $images = $mock->getImages();
-    foreach ($images as $image) {
-      if ($image->getPHID() == $image_phid) {
-        return $image;
-      }
-    }
-    return null;
-  }
-
-  protected function applyCustomInternalTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-    return;
-  }
-
-  protected function applyCustomExternalTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    switch ($xaction->getTransactionType()) {
-      case PholioTransaction::TYPE_IMAGE_FILE:
-        $old_map = array_fuse($xaction->getOldValue());
-        $new_map = array_fuse($xaction->getNewValue());
-
-        $obsolete_map = array_diff_key($old_map, $new_map);
-        $images = $object->getImages();
-        foreach ($images as $seq => $image) {
-          if (isset($obsolete_map[$image->getPHID()])) {
-            $image->setIsObsolete(1);
-            $image->save();
-            unset($images[$seq]);
-          }
-        }
-        $object->attachImages($images);
-        break;
-      case PholioTransaction::TYPE_IMAGE_REPLACE:
-        $old = $xaction->getOldValue();
-        $images = $object->getImages();
-        foreach ($images as $seq => $image) {
-          if ($image->getPHID() == $old) {
-            $image->setIsObsolete(1);
-            $image->save();
-            unset($images[$seq]);
-          }
-        }
-        $object->attachImages($images);
-        break;
-      case PholioTransaction::TYPE_IMAGE_SEQUENCE:
-        $image = $this->getImageForXaction($object, $xaction);
-        $value = (int)head($xaction->getNewValue());
-        $image->setSequence($value);
-        $image->save();
-        break;
-    }
-  }
-
   protected function applyFinalEffects(
     PhabricatorLiskDAO $object,
     array $xactions) {
@@ -244,35 +90,6 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     return $xactions;
   }
 
-  protected function mergeTransactions(
-    PhabricatorApplicationTransaction $u,
-    PhabricatorApplicationTransaction $v) {
-
-    $type = $u->getTransactionType();
-    switch ($type) {
-      case PholioTransaction::TYPE_IMAGE_REPLACE:
-        $u_img = $u->getNewValue();
-        $v_img = $v->getNewValue();
-        if ($u_img->getReplacesImagePHID() == $v_img->getReplacesImagePHID()) {
-          return $v;
-        }
-        break;
-      case PholioTransaction::TYPE_IMAGE_FILE:
-        return $this->mergePHIDOrEdgeTransactions($u, $v);
-      case PholioTransaction::TYPE_IMAGE_SEQUENCE:
-        $raw_new_value_u = $u->getNewValue();
-        $raw_new_value_v = $v->getNewValue();
-        $phid_u = key($raw_new_value_u);
-        $phid_v = key($raw_new_value_v);
-        if ($phid_u == $phid_v) {
-          return $v;
-        }
-        break;
-    }
-
-    return parent::mergeTransactions($u, $v);
-  }
-
   protected function shouldSendMail(
     PhabricatorLiskDAO $object,
     array $xactions) {
@@ -316,7 +133,7 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
       }
       $comment = $xaction->getComment();
       switch ($xaction->getTransactionType()) {
-        case PholioTransaction::TYPE_INLINE:
+        case PholioMockInlineTransaction::TRANSACTIONTYPE:
           if ($comment && strlen($comment->getContent())) {
             $inline_comments[] = $comment;
           }
@@ -406,7 +223,7 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     // Move inline comments to the end, so the comments precede them.
     foreach ($xactions as $xaction) {
       $type = $xaction->getTransactionType();
-      if ($type == PholioTransaction::TYPE_INLINE) {
+      if ($type == PholioMockInlineTransaction::TRANSACTIONTYPE) {
         $tail[] = $xaction;
       } else {
         $head[] = $xaction;
@@ -421,7 +238,7 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PholioTransaction::TYPE_INLINE:
+      case PholioMockInlineTransaction::TRANSACTIONTYPE:
         return true;
     }
 

src/applications/pholio/storage/PholioTransaction.php

@@ -2,14 +2,6 @@
 
 final class PholioTransaction extends PhabricatorModularTransaction {
 
-  // Edits to images within the mock
-  const TYPE_IMAGE_FILE = 'image-file';
-  const TYPE_IMAGE_REPLACE = 'image-replace';
-  const TYPE_IMAGE_SEQUENCE = 'image-sequence';
-
-  // Your witty commentary at the mock : image : x,y level
-  const TYPE_INLINE  = 'inline';
-
   const MAILTAG_STATUS            = 'pholio-status';
   const MAILTAG_COMMENT           = 'pholio-comment';
   const MAILTAG_UPDATED           = 'pholio-updated';
@@ -35,65 +27,10 @@ final class PholioTransaction extends PhabricatorModularTransaction {
     return new PholioTransactionView();
   }
 
-  public function getRequiredHandlePHIDs() {
-    $phids = parent::getRequiredHandlePHIDs();
-    $phids[] = $this->getObjectPHID();
-
-    $new = $this->getNewValue();
-    $old = $this->getOldValue();
-
-    switch ($this->getTransactionType()) {
-      case self::TYPE_IMAGE_FILE:
-        $phids = array_merge($phids, $new, $old);
-        break;
-      case self::TYPE_IMAGE_REPLACE:
-        $phids[] = $new;
-        $phids[] = $old;
-        break;
-      case PholioImageDescriptionTransaction::TRANSACTIONTYPE:
-      case PholioImageNameTransaction::TRANSACTIONTYPE:
-      case self::TYPE_IMAGE_SEQUENCE:
-        $phids[] = key($new);
-        break;
-    }
-
-    return $phids;
-  }
-
-  public function shouldHide() {
-    $old = $this->getOldValue();
-
-    switch ($this->getTransactionType()) {
-      // this is boring / silly to surface; changing sequence is NBD
-      case self::TYPE_IMAGE_SEQUENCE:
-        return true;
-    }
-
-    return parent::shouldHide();
-  }
-
-  public function getIcon() {
-
-    $new = $this->getNewValue();
-    $old = $this->getOldValue();
-
-    switch ($this->getTransactionType()) {
-      case self::TYPE_INLINE:
-        return 'fa-comment';
-      case self::TYPE_IMAGE_SEQUENCE:
-        return 'fa-pencil';
-      case self::TYPE_IMAGE_FILE:
-      case self::TYPE_IMAGE_REPLACE:
-        return 'fa-picture-o';
-    }
-
-    return parent::getIcon();
-  }
-
   public function getMailTags() {
     $tags = array();
     switch ($this->getTransactionType()) {
-      case self::TYPE_INLINE:
+      case PholioMockInlineTransaction::TRANSACTIONTYPE:
       case PhabricatorTransactions::TYPE_COMMENT:
         $tags[] = self::MAILTAG_COMMENT;
         break;
@@ -104,9 +41,9 @@ final class PholioTransaction extends PhabricatorModularTransaction {
       case PholioMockDescriptionTransaction::TRANSACTIONTYPE:
       case PholioImageNameTransaction::TRANSACTIONTYPE:
       case PholioImageDescriptionTransaction::TRANSACTIONTYPE:
-      case self::TYPE_IMAGE_SEQUENCE:
+      case PholioImageSequenceTransaction::TRANSACTIONTYPE:
-      case self::TYPE_IMAGE_FILE:
+      case PholioImageFileTransaction::TRANSACTIONTYPE:
-      case self::TYPE_IMAGE_REPLACE:
+      case PholioImageReplaceTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_UPDATED;
         break;
       default:
@@ -116,124 +53,4 @@ final class PholioTransaction extends PhabricatorModularTransaction {
     return $tags;
   }
 
-  public function getTitle() {
-    $author_phid = $this->getAuthorPHID();
-
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    $type = $this->getTransactionType();
-    switch ($type) {
-      case self::TYPE_INLINE:
-        $count = 1;
-        foreach ($this->getTransactionGroup() as $xaction) {
-          if ($xaction->getTransactionType() == $type) {
-            $count++;
-          }
-        }
-
-        return pht(
-          '%s added %d inline comment(s).',
-          $this->renderHandleLink($author_phid),
-          $count);
-        break;
-      case self::TYPE_IMAGE_REPLACE:
-        return pht(
-          '%s replaced %s with %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($old),
-          $this->renderHandleLink($new));
-        break;
-      case self::TYPE_IMAGE_FILE:
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
-
-        if ($add && $rem) {
-          return pht(
-            '%s edited image(s), added %d: %s; removed %d: %s.',
-            $this->renderHandleLink($author_phid),
-            count($add),
-            $this->renderHandleList($add),
-            count($rem),
-            $this->renderHandleList($rem));
-        } else if ($add) {
-          return pht(
-            '%s added %d image(s): %s.',
-            $this->renderHandleLink($author_phid),
-            count($add),
-            $this->renderHandleList($add));
-        } else {
-          return pht(
-            '%s removed %d image(s): %s.',
-            $this->renderHandleLink($author_phid),
-            count($rem),
-            $this->renderHandleList($rem));
-        }
-        break;
-      case self::TYPE_IMAGE_SEQUENCE:
-        return pht(
-          '%s updated an image\'s (%s) sequence.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink(key($new)));
-        break;
-    }
-
-    return parent::getTitle();
-  }
-
-  public function getTitleForFeed() {
-    $author_phid = $this->getAuthorPHID();
-    $object_phid = $this->getObjectPHID();
-
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    $type = $this->getTransactionType();
-    switch ($type) {
-      case self::TYPE_INLINE:
-        return pht(
-          '%s added an inline comment to %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-        break;
-      case self::TYPE_IMAGE_REPLACE:
-      case self::TYPE_IMAGE_FILE:
-        return pht(
-          '%s updated images of %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-        break;
-      case self::TYPE_IMAGE_SEQUENCE:
-        return pht(
-          '%s updated image sequence of %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-        break;
-    }
-
-    return parent::getTitleForFeed();
-  }
-
-  public function getColor() {
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    switch ($this->getTransactionType()) {
-      case self::TYPE_IMAGE_REPLACE:
-        return PhabricatorTransactions::COLOR_YELLOW;
-      case self::TYPE_IMAGE_FILE:
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
-        if ($add && $rem) {
-          return PhabricatorTransactions::COLOR_YELLOW;
-        } else if ($add) {
-          return PhabricatorTransactions::COLOR_GREEN;
-        } else {
-          return PhabricatorTransactions::COLOR_RED;
-        }
-    }
-
-    return parent::getColor();
-  }
-
 }

src/applications/pholio/view/PholioTransactionView.php

@@ -30,14 +30,14 @@ final class PholioTransactionView
 
     switch ($u->getTransactionType()) {
       case PhabricatorTransactions::TYPE_COMMENT:
-      case PholioTransaction::TYPE_INLINE:
+      case PholioMockInlineTransaction::TRANSACTIONTYPE:
         break;
       default:
         return false;
     }
 
     switch ($v->getTransactionType()) {
-      case PholioTransaction::TYPE_INLINE:
+      case PholioMockInlineTransaction::TRANSACTIONTYPE:
         return true;
     }
 
@@ -50,7 +50,8 @@ final class PholioTransactionView
     $out = array();
 
     $group = $xaction->getTransactionGroup();
-    if ($xaction->getTransactionType() == PholioTransaction::TYPE_INLINE) {
+    $type = $xaction->getTransactionType();
+    if ($type == PholioMockInlineTransaction::TRANSACTIONTYPE) {
       array_unshift($group, $xaction);
     } else {
       $out[] = parent::renderTransactionContent($xaction);
@@ -63,7 +64,7 @@ final class PholioTransactionView
     $inlines = array();
     foreach ($group as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case PholioTransaction::TYPE_INLINE:
+        case PholioMockInlineTransaction::TRANSACTIONTYPE:
           $inlines[] = $xaction;
           break;
         default:

src/applications/pholio/xaction/PholioImageFileTransaction.php

@@ -0,0 +1,120 @@
+<?php
+
+final class PholioImageFileTransaction
+  extends PholioImageTransactionType {
+
+  const TRANSACTIONTYPE = 'image-file';
+
+  public function generateOldValue($object) {
+    $images = $object->getImages();
+    return array_values(mpull($images, 'getPHID'));
+  }
+
+  public function generateNewValue($object, $value) {
+    $new_value = array();
+    foreach ($value as $key => $images) {
+      $new_value[$key] = mpull($images, 'getPHID');
+    }
+    $old = array_fuse($this->getOldValue());
+    return $this->getEditor()->getPHIDList($old, $new_value);
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $old_map = array_fuse($this->getOldValue());
+    $new_map = array_fuse($this->getNewValue());
+
+    $obsolete_map = array_diff_key($old_map, $new_map);
+    $images = $object->getImages();
+    foreach ($images as $seq => $image) {
+      if (isset($obsolete_map[$image->getPHID()])) {
+        $image->setIsObsolete(1);
+        $image->save();
+        unset($images[$seq]);
+      }
+    }
+    $object->attachImages($images);
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $add = array_diff($new, $old);
+    $rem = array_diff($old, $new);
+
+    if ($add && $rem) {
+      return pht(
+        '%s edited image(s), added %d: %s; removed %d: %s.',
+        $this->renderAuthor(),
+        count($add),
+        $this->renderHandleList($add),
+        count($rem),
+        $this->renderHandleList($rem));
+    } else if ($add) {
+      return pht(
+        '%s added %d image(s): %s.',
+        $this->renderAuthor(),
+        count($add),
+        $this->renderHandleList($add));
+    } else {
+      return pht(
+        '%s removed %d image(s): %s.',
+        $this->renderAuthor(),
+        count($rem),
+        $this->renderHandleList($rem));
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s updated images of %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function getIcon() {
+    return 'fa-picture-o';
+  }
+
+  public function getColor() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $add = array_diff($new, $old);
+    $rem = array_diff($old, $new);
+    if ($add && $rem) {
+      return PhabricatorTransactions::COLOR_YELLOW;
+    } else if ($add) {
+      return PhabricatorTransactions::COLOR_GREEN;
+    } else {
+      return PhabricatorTransactions::COLOR_RED;
+    }
+  }
+
+  public function extractFilePHIDs($object, $value) {
+    $images = $this->getEditor()->getNewImages();
+    $images = mpull($images, null, 'getPHID');
+
+
+    $file_phids = array();
+    foreach ($value as $image_phid) {
+      $image = idx($images, $image_phid);
+      if (!$image) {
+        continue;
+      }
+      $file_phids[] = $image->getFilePHID();
+    }
+    return $file_phids;
+  }
+
+  public function mergeTransactions(
+    $object,
+    PhabricatorApplicationTransaction $u,
+    PhabricatorApplicationTransaction $v) {
+    return  $this->getEditor()->mergePHIDOrEdgeTransactions($u, $v);
+  }
+
+}

src/applications/pholio/xaction/PholioImageReplaceTransaction.php

@@ -0,0 +1,68 @@
+<?php
+
+final class PholioImageReplaceTransaction
+  extends PholioImageTransactionType {
+
+  const TRANSACTIONTYPE = 'image-replace';
+
+  public function generateOldValue($object) {
+    $new_image = $this->getNewValue();
+    return $new_image->getReplacesImagePHID();
+  }
+
+  public function generateNewValue($object, $value) {
+    return $value->getPHID();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $old = $this->getOldValue();
+    $images = $object->getImages();
+    foreach ($images as $seq => $image) {
+      if ($image->getPHID() == $old) {
+        $image->setIsObsolete(1);
+        $image->save();
+        unset($images[$seq]);
+      }
+    }
+    $object->attachImages($images);
+  }
+
+  public function getTitle() {
+    return pht(
+      '%s replaced %s with %s.',
+      $this->renderAuthor(),
+      $this->renderOldHandle(),
+      $this->renderNewHandle());
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s updated images of %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function getIcon() {
+    return 'fa-picture-o';
+  }
+
+  public function getColor() {
+    return PhabricatorTransactions::COLOR_YELLOW;
+  }
+
+  public function mergeTransactions(
+    $object,
+    PhabricatorApplicationTransaction $u,
+    PhabricatorApplicationTransaction $v) {
+    $u_img = $u->getNewValue();
+    $v_img = $v->getNewValue();
+    if ($u_img->getReplacesImagePHID() == $v_img->getReplacesImagePHID()) {
+      return $v;
+    }
+  }
+
+  public function extractFilePHIDs($object, $value) {
+    return array($value);
+  }
+
+}

src/applications/pholio/xaction/PholioImageSequenceTransaction.php

@@ -0,0 +1,60 @@
+<?php
+
+final class PholioImageSequenceTransaction
+  extends PholioImageTransactionType {
+
+  const TRANSACTIONTYPE = 'image-sequence';
+
+  public function generateOldValue($object) {
+    $sequence = null;
+    $phid = null;
+    $image = $this->getImageForXaction($object);
+    if ($image) {
+      $sequence = $image->getSequence();
+      $phid = $image->getPHID();
+    }
+    return array($phid => $sequence);
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $image = $this->getImageForXaction($object);
+    $value = (int)head($this->getNewValue());
+    $image->setSequence($value);
+    $image->save();
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s updated an image\'s (%s) sequence.',
+      $this->renderAuthor(),
+      $this->renderHandleLink(key($new)));
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s updated image sequence of %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function shouldHide() {
+    // this is boring / silly to surface; changing sequence is NBD
+    return true;
+  }
+
+  public function mergeTransactions(
+    $object,
+    PhabricatorApplicationTransaction $u,
+    PhabricatorApplicationTransaction $v) {
+    $raw_new_value_u = $u->getNewValue();
+    $raw_new_value_v = $v->getNewValue();
+    $phid_u = key($raw_new_value_u);
+    $phid_v = key($raw_new_value_v);
+    if ($phid_u == $phid_v) {
+      return $v;
+    }
+  }
+
+}

src/applications/pholio/xaction/PholioMockDescriptionTransaction.php

@@ -44,4 +44,14 @@ final class PholioMockDescriptionTransaction
       ->setNewText($this->getNewValue());
   }
 
+  public function newRemarkupChanges() {
+    $changes = array();
+
+    $changes[] = $this->newRemarkupChange()
+      ->setOldValue($this->getOldValue())
+      ->setNewValue($this->getNewValue());
+
+    return $changes;
+  }
+
 }

src/applications/pholio/xaction/PholioMockInlineTransaction.php

@@ -0,0 +1,33 @@
+<?php
+
+final class PholioMockInlineTransaction
+  extends PholioMockTransactionType {
+
+  const TRANSACTIONTYPE = 'inline';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function getTitle() {
+    return pht(
+      '%s added inline comment(s).',
+      $this->renderAuthor());
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s added an inline comment to %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function getIcon() {
+    return 'fa-comment';
+  }
+
+  public function getTransactionHasEffect($object, $old, $new) {
+    return true;
+  }
+
+}

src/applications/phortune/controller/subscription/PhortuneSubscriptionViewController.php

@@ -43,8 +43,8 @@ final class PhortuneSubscriptionViewController extends PhortuneController {
 
     $curtain->addAction(
       id(new PhabricatorActionView())
-        ->setIcon('fa-pencil')
+        ->setIcon('fa-credit-card')
-        ->setName(pht('Edit Subscription'))
+        ->setName(pht('Manage Autopay'))
         ->setHref($edit_uri)
         ->setDisabled(!$can_edit)
         ->setWorkflow(!$can_edit));

src/applications/phriction/conduit/PhrictionCreateConduitAPIMethod.php

@@ -47,7 +47,7 @@ final class PhrictionCreateConduitAPIMethod extends PhrictionConduitAPIMethod {
 
     $xactions = array();
     $xactions[] = id(new PhrictionTransaction())
-      ->setTransactionType(PhrictionTransaction::TYPE_TITLE)
+      ->setTransactionType(PhrictionDocumentTitleTransaction::TRANSACTIONTYPE)
       ->setNewValue($request->getValue('title'));
     $xactions[] = id(new PhrictionTransaction())
       ->setTransactionType(PhrictionTransaction::TYPE_CONTENT)

src/applications/phriction/conduit/PhrictionEditConduitAPIMethod.php

@@ -42,7 +42,7 @@ final class PhrictionEditConduitAPIMethod extends PhrictionConduitAPIMethod {
 
     $xactions = array();
     $xactions[] = id(new PhrictionTransaction())
-      ->setTransactionType(PhrictionTransaction::TYPE_TITLE)
+      ->setTransactionType(PhrictionDocumentTitleTransaction::TRANSACTIONTYPE)
       ->setNewValue($request->getValue('title'));
     $xactions[] = id(new PhrictionTransaction())
       ->setTransactionType(PhrictionTransaction::TYPE_CONTENT)

src/applications/phriction/controller/PhrictionEditController.php

@@ -133,7 +133,7 @@ final class PhrictionEditController
 
       $xactions = array();
       $xactions[] = id(new PhrictionTransaction())
-        ->setTransactionType(PhrictionTransaction::TYPE_TITLE)
+        ->setTransactionType(PhrictionDocumentTitleTransaction::TRANSACTIONTYPE)
         ->setNewValue($title);
       $xactions[] = id(new PhrictionTransaction())
         ->setTransactionType(PhrictionTransaction::TYPE_CONTENT)
@@ -174,7 +174,8 @@ final class PhrictionEditController
       } catch (PhabricatorApplicationTransactionValidationException $ex) {
         $validation_exception = $ex;
         $e_title = nonempty(
-          $ex->getShortMessage(PhrictionTransaction::TYPE_TITLE),
+          $ex->getShortMessage(
+            PhrictionDocumentTitleTransaction::TRANSACTIONTYPE),
           true);
         $e_content = nonempty(
           $ex->getShortMessage(PhrictionTransaction::TYPE_CONTENT),

src/applications/phriction/controller/PhrictionMoveController.php

@@ -64,7 +64,8 @@ final class PhrictionMoveController extends PhrictionController {
 
       $xactions = array();
       $xactions[] = id(new PhrictionTransaction())
-        ->setTransactionType(PhrictionTransaction::TYPE_MOVE_TO)
+        ->setTransactionType(
+          PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE)
         ->setNewValue($document);
       $target_document = id(new PhrictionDocumentQuery())
         ->setViewer(PhabricatorUser::getOmnipotentUser())
@@ -88,7 +89,8 @@ final class PhrictionMoveController extends PhrictionController {
         return id(new AphrontRedirectResponse())->setURI($redir_uri);
       } catch (PhabricatorApplicationTransactionValidationException $ex) {
         $validation_exception = $ex;
-        $e_slug = $ex->getShortMessage(PhrictionTransaction::TYPE_MOVE_TO);
+        $e_slug = $ex->getShortMessage(
+          PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE);
       }
     }
 

src/applications/phriction/editor/PhrictionTransactionEditor.php

@@ -29,7 +29,7 @@ final class PhrictionTransactionEditor
     return $this;
   }
 
-  private function getOldContent() {
+  public function getOldContent() {
     return $this->oldContent;
   }
 
@@ -38,7 +38,7 @@ final class PhrictionTransactionEditor
     return $this;
   }
 
-  private function getNewContent() {
+  public function getNewContent() {
     return $this->newContent;
   }
 
@@ -69,6 +69,11 @@ final class PhrictionTransactionEditor
     return $this->processContentVersionError;
   }
 
+  public function setMoveAwayDocument(PhrictionDocument $document) {
+    $this->moveAwayDocument = $document;
+    return $this;
+  }
+
   public function getEditorApplicationClass() {
     return 'PhabricatorPhrictionApplication';
   }
@@ -80,10 +85,8 @@ final class PhrictionTransactionEditor
   public function getTransactionTypes() {
     $types = parent::getTransactionTypes();
 
-    $types[] = PhrictionTransaction::TYPE_TITLE;
     $types[] = PhrictionTransaction::TYPE_CONTENT;
     $types[] = PhrictionTransaction::TYPE_DELETE;
-    $types[] = PhrictionTransaction::TYPE_MOVE_TO;
     $types[] = PhrictionTransaction::TYPE_MOVE_AWAY;
 
     $types[] = PhabricatorTransactions::TYPE_EDGE;
@@ -99,18 +102,12 @@ final class PhrictionTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhrictionTransaction::TYPE_TITLE:
-        if ($this->getIsNewObject()) {
-          return null;
-        }
-        return $this->getOldContent()->getTitle();
       case PhrictionTransaction::TYPE_CONTENT:
         if ($this->getIsNewObject()) {
           return null;
         }
         return $this->getOldContent()->getContent();
       case PhrictionTransaction::TYPE_DELETE:
-      case PhrictionTransaction::TYPE_MOVE_TO:
       case PhrictionTransaction::TYPE_MOVE_AWAY:
         return null;
     }
@@ -121,21 +118,9 @@ final class PhrictionTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhrictionTransaction::TYPE_TITLE:
       case PhrictionTransaction::TYPE_CONTENT:
       case PhrictionTransaction::TYPE_DELETE:
         return $xaction->getNewValue();
-      case PhrictionTransaction::TYPE_MOVE_TO:
-        $document = $xaction->getNewValue();
-        // grab the real object now for the sub-editor to come
-        $this->moveAwayDocument = $document;
-        $dict = array(
-          'id' => $document->getID(),
-          'phid' => $document->getPHID(),
-          'content' => $document->getContent()->getContent(),
-          'title' => $document->getContent()->getTitle(),
-        );
-        return $dict;
       case PhrictionTransaction::TYPE_MOVE_AWAY:
         $document = $xaction->getNewValue();
         $dict = array(
@@ -154,10 +139,10 @@ final class PhrictionTransactionEditor
 
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-      case PhrictionTransaction::TYPE_TITLE:
+      case PhrictionDocumentTitleTransaction::TRANSACTIONTYPE:
       case PhrictionTransaction::TYPE_CONTENT:
       case PhrictionTransaction::TYPE_DELETE:
-      case PhrictionTransaction::TYPE_MOVE_TO:
+      case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
       case PhrictionTransaction::TYPE_MOVE_AWAY:
         return true;
       }
@@ -178,9 +163,7 @@ final class PhrictionTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhrictionTransaction::TYPE_TITLE:
       case PhrictionTransaction::TYPE_CONTENT:
-      case PhrictionTransaction::TYPE_MOVE_TO:
         $object->setStatus(PhrictionDocumentStatus::STATUS_EXISTS);
         return;
       case PhrictionTransaction::TYPE_MOVE_AWAY:
@@ -210,7 +193,7 @@ final class PhrictionTransactionEditor
             ->setMetadataValue('contentDelete', true);
         }
         break;
-      case PhrictionTransaction::TYPE_MOVE_TO:
+      case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
         $document = $xaction->getNewValue();
         $xactions[] = id(new PhrictionTransaction())
           ->setTransactionType(PhabricatorTransactions::TYPE_VIEW_POLICY)
@@ -232,9 +215,6 @@ final class PhrictionTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhrictionTransaction::TYPE_TITLE:
-        $this->getNewContent()->setTitle($xaction->getNewValue());
-        break;
       case PhrictionTransaction::TYPE_CONTENT:
         $this->getNewContent()->setContent($xaction->getNewValue());
         break;
@@ -243,14 +223,6 @@ final class PhrictionTransactionEditor
         $this->getNewContent()->setChangeType(
           PhrictionChangeType::CHANGE_DELETE);
         break;
-      case PhrictionTransaction::TYPE_MOVE_TO:
-        $dict = $xaction->getNewValue();
-        $this->getNewContent()->setContent($dict['content']);
-        $this->getNewContent()->setTitle($dict['title']);
-        $this->getNewContent()->setChangeType(
-          PhrictionChangeType::CHANGE_MOVE_HERE);
-        $this->getNewContent()->setChangeRef($dict['id']);
-        break;
       case PhrictionTransaction::TYPE_MOVE_AWAY:
         $dict = $xaction->getNewValue();
         $this->getNewContent()->setContent('');
@@ -270,11 +242,11 @@ final class PhrictionTransactionEditor
     $save_content = false;
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case PhrictionTransaction::TYPE_TITLE:
+        case PhrictionDocumentTitleTransaction::TRANSACTIONTYPE:
+        case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
         case PhrictionTransaction::TYPE_CONTENT:
         case PhrictionTransaction::TYPE_DELETE:
         case PhrictionTransaction::TYPE_MOVE_AWAY:
-        case PhrictionTransaction::TYPE_MOVE_TO:
           $save_content = true;
           break;
         default:
@@ -312,7 +284,8 @@ final class PhrictionTransactionEditor
               $slug);
             $stub_xactions = array();
             $stub_xactions[] = id(new PhrictionTransaction())
-              ->setTransactionType(PhrictionTransaction::TYPE_TITLE)
+              ->setTransactionType(
+                PhrictionDocumentTitleTransaction::TRANSACTIONTYPE)
               ->setNewValue(PhabricatorSlug::getDefaultTitle($slug))
               ->setMetadataValue('stub:create:phid', $object->getPHID());
             $stub_xactions[] = id(new PhrictionTransaction())
@@ -458,7 +431,7 @@ final class PhrictionTransactionEditor
 
     foreach ($xactions as $xaction) {
       switch ($xaction->getTransactionType()) {
-        case PhrictionTransaction::TYPE_MOVE_TO:
+        case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
           $dict = $xaction->getNewValue();
           $phids[] = $dict['phid'];
           break;
@@ -477,30 +450,6 @@ final class PhrictionTransactionEditor
 
     foreach ($xactions as $xaction) {
       switch ($type) {
-        case PhrictionTransaction::TYPE_TITLE:
-          $title = $object->getContent()->getTitle();
-          $missing = $this->validateIsEmptyTextField(
-            $title,
-            $xactions);
-
-          if ($missing) {
-            $error = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Required'),
-              pht('Document title is required.'),
-              nonempty(last($xactions), null));
-
-            $error->setIsMissingFieldError(true);
-            $errors[] = $error;
-          } else if ($this->getProcessContentVersionError()) {
-            $error = $this->validateContentVersion($object, $type, $xaction);
-            if ($error) {
-              $this->setProcessContentVersionError(false);
-              $errors[] = $error;
-            }
-          }
-          break;
-
         case PhrictionTransaction::TYPE_CONTENT:
           if ($xaction->getMetadataValue('stub:create:phid')) {
             continue;
@@ -544,31 +493,8 @@ final class PhrictionTransactionEditor
 
           break;
 
-        case PhrictionTransaction::TYPE_MOVE_TO:
+        case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
           $source_document = $xaction->getNewValue();
-          switch ($source_document->getStatus()) {
-            case PhrictionDocumentStatus::STATUS_DELETED:
-              $e_text = pht('A deleted document can not be moved.');
-              break;
-            case PhrictionDocumentStatus::STATUS_MOVED:
-              $e_text = pht('A moved document can not be moved again.');
-              break;
-            case PhrictionDocumentStatus::STATUS_STUB:
-              $e_text = pht('A stub document can not be moved.');
-              break;
-            default:
-              $e_text = null;
-              break;
-          }
-
-          if ($e_text) {
-            $error = new PhabricatorApplicationTransactionValidationError(
-              $type,
-              pht('Can not move document.'),
-              $e_text,
-              $xaction);
-            $errors[] = $error;
-          }
 
           $ancestry_errors = $this->validateAncestry(
             $object,
@@ -645,7 +571,7 @@ final class PhrictionTransactionEditor
     return $errors;
   }
 
-  private function validateAncestry(
+  public function validateAncestry(
     PhabricatorLiskDAO $object,
     $type,
     PhabricatorApplicationTransaction $xaction,

src/applications/phriction/storage/PhrictionTransaction.php

@@ -1,12 +1,10 @@
 <?php
 
 final class PhrictionTransaction
-  extends PhabricatorApplicationTransaction {
+  extends PhabricatorModularTransaction {
 
-  const TYPE_TITLE = 'title';
   const TYPE_CONTENT = 'content';
   const TYPE_DELETE  = 'delete';
-  const TYPE_MOVE_TO = 'move-to';
   const TYPE_MOVE_AWAY = 'move-away';
 
   const MAILTAG_TITLE       = 'phriction-title';
@@ -27,22 +25,25 @@ final class PhrictionTransaction
     return new PhrictionTransactionComment();
   }
 
+  public function getBaseTransactionClass() {
+    return 'PhrictionDocumentTransactionType';
+  }
+
   public function getRequiredHandlePHIDs() {
     $phids = parent::getRequiredHandlePHIDs();
     $new = $this->getNewValue();
     switch ($this->getTransactionType()) {
-      case self::TYPE_MOVE_TO:
+      case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
       case self::TYPE_MOVE_AWAY:
         $phids[] = $new['phid'];
         break;
-      case self::TYPE_TITLE:
+      case PhrictionDocumentTitleTransaction::TRANSACTIONTYPE:
         if ($this->getMetadataValue('stub:create:phid')) {
           $phids[] = $this->getMetadataValue('stub:create:phid');
         }
         break;
     }
 
-
     return $phids;
   }
 
@@ -74,10 +75,10 @@ final class PhrictionTransaction
 
   public function shouldHideForMail(array $xactions) {
     switch ($this->getTransactionType()) {
-      case self::TYPE_MOVE_TO:
+      case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
       case self::TYPE_MOVE_AWAY:
         return true;
-      case self::TYPE_TITLE:
+      case PhrictionDocumentTitleTransaction::TRANSACTIONTYPE:
         return $this->getMetadataValue('stub:create:phid', false);
     }
     return parent::shouldHideForMail($xactions);
@@ -85,10 +86,10 @@ final class PhrictionTransaction
 
   public function shouldHideForFeed() {
     switch ($this->getTransactionType()) {
-      case self::TYPE_MOVE_TO:
+      case PhrictionDocumentMoveToTransaction::TRANSACTIONTYPE:
       case self::TYPE_MOVE_AWAY:
         return true;
-      case self::TYPE_TITLE:
+      case PhrictionDocumentTitleTransaction::TRANSACTIONTYPE:
         return $this->getMetadataValue('stub:create:phid', false);
     }
     return parent::shouldHideForFeed();
@@ -96,13 +97,10 @@ final class PhrictionTransaction
 
   public function getActionStrength() {
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        return 1.4;
       case self::TYPE_CONTENT:
         return 1.3;
       case self::TYPE_DELETE:
         return 1.5;
-      case self::TYPE_MOVE_TO:
       case self::TYPE_MOVE_AWAY:
         return 1.0;
     }
@@ -115,29 +113,12 @@ final class PhrictionTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          if ($this->getMetadataValue('stub:create:phid')) {
-            return pht('Stubbed');
-          } else {
-            return pht('Created');
-          }
-        }
-
-        return pht('Retitled');
-
       case self::TYPE_CONTENT:
         return pht('Edited');
-
       case self::TYPE_DELETE:
         return pht('Deleted');
-
-      case self::TYPE_MOVE_TO:
-        return pht('Moved');
-
       case self::TYPE_MOVE_AWAY:
         return pht('Moved Away');
-
     }
 
     return parent::getActionName();
@@ -148,12 +129,10 @@ final class PhrictionTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
       case self::TYPE_CONTENT:
         return 'fa-pencil';
       case self::TYPE_DELETE:
         return 'fa-times';
-      case self::TYPE_MOVE_TO:
       case self::TYPE_MOVE_AWAY:
         return 'fa-arrows';
     }
@@ -169,26 +148,6 @@ final class PhrictionTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          if ($this->getMetadataValue('stub:create:phid')) {
-            return pht(
-              '%s stubbed out this document when creating %s.',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink(
-                $this->getMetadataValue('stub:create:phid')));
-          } else {
-            return pht(
-              '%s created this document.',
-              $this->renderHandleLink($author_phid));
-          }
-        }
-        return pht(
-          '%s changed the title from "%s" to "%s".',
-          $this->renderHandleLink($author_phid),
-          $old,
-          $new);
-
       case self::TYPE_CONTENT:
         return pht(
           '%s edited the document content.',
@@ -199,12 +158,6 @@ final class PhrictionTransaction
           '%s deleted this document.',
           $this->renderHandleLink($author_phid));
 
-      case self::TYPE_MOVE_TO:
-        return pht(
-          '%s moved this document from %s',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($new['phid']));
-
       case self::TYPE_MOVE_AWAY:
         return pht(
           '%s moved this document to %s',
@@ -224,20 +177,6 @@ final class PhrictionTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
-        if ($old === null) {
-          return pht(
-            '%s created %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
-        }
-
-        return pht(
-          '%s renamed %s from "%s" to "%s".',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid),
-          $old,
-          $new);
 
       case self::TYPE_CONTENT:
         return pht(
@@ -273,7 +212,7 @@ final class PhrictionTransaction
   public function getMailTags() {
     $tags = array();
     switch ($this->getTransactionType()) {
-      case self::TYPE_TITLE:
+      case PhrictionDocumentTitleTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_TITLE;
         break;
       case self::TYPE_CONTENT:

src/applications/phriction/xaction/PhrictionDocumentMoveToTransaction.php

@@ -0,0 +1,105 @@
+<?php
+
+final class PhrictionDocumentMoveToTransaction
+  extends PhrictionDocumentTransactionType {
+
+  const TRANSACTIONTYPE = 'move-to';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function generateNewValue($object, $value) {
+    $document = $value;
+    $dict = array(
+      'id' => $document->getID(),
+      'phid' => $document->getPHID(),
+      'content' => $document->getContent()->getContent(),
+      'title' => $document->getContent()->getTitle(),
+    );
+
+    $editor = $this->getEditor();
+    $editor->setMoveAwayDocument($document);
+
+    return $dict;
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setStatus(PhrictionDocumentStatus::STATUS_EXISTS);
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $dict = $value;
+    $this->getEditor()->getNewContent()->setContent($dict['content']);
+    $this->getEditor()->getNewContent()->setTitle($dict['title']);
+    $this->getEditor()->getNewContent()->setChangeType(
+      PhrictionChangeType::CHANGE_MOVE_HERE);
+    $this->getEditor()->getNewContent()->setChangeRef($dict['id']);
+  }
+
+  public function getActionStrength() {
+    return 1.0;
+  }
+
+  public function getActionName() {
+    return pht('Moved');
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s moved this document from %s',
+      $this->renderAuthor(),
+      $this->renderHandle($new['phid']));
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s moved %s from %s',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderHandle($new['phid']));
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    $e_text = null;
+    foreach ($xactions as $xaction) {
+      $source_document = $xaction->getNewValue();
+      switch ($source_document->getStatus()) {
+        case PhrictionDocumentStatus::STATUS_DELETED:
+          $e_text = pht('A deleted document can not be moved.');
+          break;
+        case PhrictionDocumentStatus::STATUS_MOVED:
+          $e_text = pht('A moved document can not be moved again.');
+          break;
+        case PhrictionDocumentStatus::STATUS_STUB:
+          $e_text = pht('A stub document can not be moved.');
+          break;
+        default:
+          $e_text = null;
+          break;
+      }
+
+      if ($e_text !== null) {
+        $errors[] = $this->newInvalidError($e_text);
+      }
+
+    }
+
+    // TODO: Move Ancestry validation here once all types are converted.
+
+    return $errors;
+  }
+
+  public function getIcon() {
+    return 'fa-arrows';
+  }
+
+}

src/applications/phriction/xaction/PhrictionDocumentTitleTransaction.php

@@ -0,0 +1,97 @@
+<?php
+
+final class PhrictionDocumentTitleTransaction
+  extends PhrictionDocumentTransactionType {
+
+  const TRANSACTIONTYPE = 'title';
+
+  public function generateOldValue($object) {
+    if ($this->isNewObject()) {
+      return null;
+    }
+    return $this->getEditor()->getOldContent()->getTitle();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setStatus(PhrictionDocumentStatus::STATUS_EXISTS);
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $this->getEditor()->getNewContent()->setTitle($value);
+  }
+
+  public function getActionStrength() {
+    return 1.4;
+  }
+
+  public function getActionName() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old === null) {
+      if ($this->getMetadataValue('stub:create:phid')) {
+        return pht('Stubbed');
+      } else {
+        return pht('Created');
+      }
+    }
+    return pht('Retitled');
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old === null) {
+      if ($this->getMetadataValue('stub:create:phid')) {
+        return pht(
+          '%s stubbed out this document when creating %s.',
+          $this->renderAuthor(),
+          $this->renderHandleLink(
+            $this->getMetadataValue('stub:create:phid')));
+      } else {
+        return pht(
+          '%s created this document.',
+          $this->renderAuthor());
+      }
+    }
+
+    return pht(
+      '%s changed the title from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    if ($old === null) {
+      return pht(
+        '%s created %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    }
+
+    return pht(
+      '%s renamed %s from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    $title = $object->getContent()->getTitle();
+    if ($this->isEmptyTextTransaction($title, $xactions)) {
+      $errors[] = $this->newRequiredError(
+        pht('Documents must have a title.'));
+    }
+
+    return $errors;
+  }
+
+}

src/applications/phriction/xaction/PhrictionDocumentTransactionType.php

@@ -0,0 +1,4 @@
+<?php
+
+abstract class PhrictionDocumentTransactionType
+  extends PhabricatorModularTransactionType {}

src/applications/project/__tests__/PhabricatorProjectCoreTestCase.php

@@ -356,13 +356,13 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
 
     $xactions = array();
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME)
+      ->setTransactionType(PhabricatorProjectNameTransaction::TRANSACTIONTYPE)
       ->setNewValue($name);
     $this->applyTransactions($project, $user, $xactions);
 
     $xactions = array();
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+      ->setTransactionType(PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
       ->setNewValue(array($name));
     $this->applyTransactions($project, $user, $xactions);
 
@@ -382,11 +382,11 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME)
+      ->setTransactionType(PhabricatorProjectNameTransaction::TRANSACTIONTYPE)
       ->setNewValue($name2);
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+      ->setTransactionType(PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
       ->setNewValue(array($name2));
 
     $this->applyTransactions($project, $user, $xactions);
@@ -416,7 +416,7 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+      ->setTransactionType(PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
       ->setNewValue(array($input, $input));
 
     $this->applyTransactions($project, $user, $xactions);
@@ -448,7 +448,7 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+      ->setTransactionType(PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
       ->setNewValue(array($input));
 
     $this->applyTransactions($project, $user, $xactions);
@@ -474,7 +474,7 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+      ->setTransactionType(PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
       ->setNewValue(array($input));
 
     $caught = null;
@@ -503,7 +503,7 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME)
+      ->setTransactionType(PhabricatorProjectNameTransaction::TRANSACTIONTYPE)
       ->setNewValue($name);
 
     $xactions[] = id(new PhabricatorProjectTransaction())
@@ -601,11 +601,11 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME)
+      ->setTransactionType(PhabricatorProjectNameTransaction::TRANSACTIONTYPE)
       ->setNewValue($name);
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+      ->setTransactionType(PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
       ->setNewValue(array($slug));
 
     $this->applyTransactions($project, $user, $xactions);
@@ -1290,7 +1290,8 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $new_name = $proj->getName().' '.mt_rand();
 
     $xaction = new PhabricatorProjectTransaction();
-    $xaction->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME);
+    $xaction->setTransactionType(
+      PhabricatorProjectNameTransaction::TRANSACTIONTYPE);
     $xaction->setNewValue($new_name);
 
     $this->applyTransactions($proj, $user, array($xaction));
@@ -1337,7 +1338,7 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_TITLE)
+      ->setTransactionType(ManiphestTaskTitleTransaction::TRANSACTIONTYPE)
       ->setNewValue($name);
 
     if ($projects) {
@@ -1440,7 +1441,7 @@ final class PhabricatorProjectCoreTestCase extends PhabricatorTestCase {
     $xactions = array();
 
     $xactions[] = id(new PhabricatorProjectTransaction())
-      ->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME)
+      ->setTransactionType(PhabricatorProjectNameTransaction::TRANSACTIONTYPE)
       ->setNewValue($name);
 
     if ($parent) {

src/applications/project/conduit/ProjectCreateConduitAPIMethod.php

@@ -42,7 +42,7 @@ final class ProjectCreateConduitAPIMethod extends ProjectConduitAPIMethod {
       $user);
 
     $project = PhabricatorProject::initializeNewProject($user);
-    $type_name = PhabricatorProjectTransaction::TYPE_NAME;
+    $type_name = PhabricatorProjectNameTransaction::TRANSACTIONTYPE;
     $members = $request->getValue('members');
     $xactions = array();
 
@@ -52,19 +52,22 @@ final class ProjectCreateConduitAPIMethod extends ProjectConduitAPIMethod {
 
     if ($request->getValue('icon')) {
       $xactions[] = id(new PhabricatorProjectTransaction())
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_ICON)
+        ->setTransactionType(
+            PhabricatorProjectIconTransaction::TRANSACTIONTYPE)
         ->setNewValue($request->getValue('icon'));
     }
 
     if ($request->getValue('color')) {
       $xactions[] = id(new PhabricatorProjectTransaction())
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_COLOR)
+        ->setTransactionType(
+          PhabricatorProjectColorTransaction::TRANSACTIONTYPE)
         ->setNewValue($request->getValue('color'));
     }
 
     if ($request->getValue('tags')) {
       $xactions[] = id(new PhabricatorProjectTransaction())
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+        ->setTransactionType(
+            PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
         ->setNewValue($request->getValue('tags'));
     }
 

src/applications/project/controller/PhabricatorProjectArchiveController.php

@@ -32,7 +32,8 @@ final class PhabricatorProjectArchiveController
       $xactions = array();
 
       $xactions[] = id(new PhabricatorProjectTransaction())
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_STATUS)
+        ->setTransactionType(
+            PhabricatorProjectStatusTransaction::TRANSACTIONTYPE)
         ->setNewValue($new_status);
 
       id(new PhabricatorProjectTransactionEditor())

src/applications/project/controller/PhabricatorProjectBoardManageController.php

@@ -31,6 +31,7 @@ final class PhabricatorProjectBoardManageController
     $board_id = $board->getID();
 
     $header = $this->buildHeaderView($board);
+    $curtain = $this->buildCurtainView($board);
 
     $crumbs = $this->buildApplicationCrumbs();
     $crumbs->addTextCrumb(pht('Workboard'), "/project/board/{$board_id}/");
@@ -40,9 +41,14 @@ final class PhabricatorProjectBoardManageController
     $nav = $this->getProfileMenu();
     $columns_list = $this->buildColumnsList($board, $columns);
 
+    require_celerity_resource('project-view-css');
+
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)
-      ->setFooter($columns_list);
+      ->addClass('project-view-home')
+      ->addClass('project-view-people-home')
+      ->setCurtain($curtain)
+      ->setMainColumn($columns_list);
 
     $title = array(
       pht('Manage Workboard'),
@@ -59,30 +65,35 @@ final class PhabricatorProjectBoardManageController
   private function buildHeaderView(PhabricatorProject $board) {
     $viewer = $this->getViewer();
 
+    $header = id(new PHUIHeaderView())
+      ->setHeader(pht('Workboard: %s', $board->getDisplayName()))
+      ->setUser($viewer);
+
+    return $header;
+  }
+
+  private function buildCurtainView(PhabricatorProject $board) {
+    $viewer = $this->getViewer();
+    $id = $board->getID();
+
+    $curtain = $this->newCurtainView();
+
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $board,
       PhabricatorPolicyCapability::CAN_EDIT);
 
-    $id = $board->getID();
     $disable_uri = $this->getApplicationURI("board/{$id}/disable/");
 
-    $button = id(new PHUIButtonView())
+    $curtain->addAction(
-      ->setTag('a')
+      id(new PhabricatorActionView())
         ->setIcon('fa-ban')
-      ->setText(pht('Disable Board'))
+        ->setName(pht('Disable Workboard'))
         ->setHref($disable_uri)
         ->setDisabled(!$can_edit)
-      ->setWorkflow(true);
+        ->setWorkflow(true));
 
-    $header = id(new PHUIHeaderView())
+    return $curtain;
-      ->setHeader(pht('Workboard: %s', $board->getDisplayName()))
-      ->setUser($viewer)
-      ->setPolicyObject($board)
-      ->setProfileHeader(true)
-      ->addActionLink($button);
-
-    return $header;
   }
 
   private function buildColumnsList(
@@ -123,6 +134,7 @@ final class PhabricatorProjectBoardManageController
 
     return id(new PHUIObjectBoxView())
       ->setHeaderText(pht('Columns'))
+      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
       ->setObjectList($view);
   }
 

src/applications/project/controller/PhabricatorProjectBoardReorderController.php

@@ -94,7 +94,8 @@ final class PhabricatorProjectBoardReorderController
     $list = id(new PHUIObjectItemListView())
       ->setUser($viewer)
       ->setID($list_id)
-      ->setFlush(true);
+      ->setFlush(true)
+      ->setDrag(true);
 
     foreach ($columns as $column) {
       // Don't allow milestone columns to be reordered.
@@ -134,14 +135,9 @@ final class PhabricatorProjectBoardReorderController
         'reorderURI' => $reorder_uri,
       ));
 
-    $note = id(new PHUIInfoView())
-      ->appendChild(pht('Drag and drop columns to reorder them.'))
-      ->setSeverity(PHUIInfoView::SEVERITY_NOTICE);
-
     return $this->newDialog()
       ->setTitle(pht('Reorder Columns'))
       ->setWidth(AphrontDialogView::WIDTH_FORM)
-      ->appendChild($note)
       ->appendChild($list)
       ->addSubmitButton(pht('Done'));
   }

src/applications/project/controller/PhabricatorProjectBoardViewController.php

@@ -879,12 +879,6 @@ final class PhabricatorProjectBoardViewController
         ->setWorkflow(true);
     }
 
-    $details_uri = 'board/'.$this->id.'/column/'.$column->getID().'/';
-    $column_items[] = id(new PhabricatorActionView())
-      ->setName(pht('Column History'))
-      ->setIcon('fa-columns')
-      ->setHref($this->getApplicationURI($details_uri));
-
     $column_menu = id(new PhabricatorActionListView())
       ->setUser($viewer);
     foreach ($column_items as $item) {

src/applications/project/controller/PhabricatorProjectColumnDetailController.php

@@ -44,36 +44,38 @@ final class PhabricatorProjectColumnDetailController
     $title = $column->getDisplayName();
 
     $header = $this->buildHeaderView($column);
-    $actions = $this->buildActionView($column);
+    $properties = $this->buildPropertyView($column);
-    $properties = $this->buildPropertyView($column, $actions);
 
     $crumbs = $this->buildApplicationCrumbs();
     $crumbs->addTextCrumb(pht('Workboard'), "/project/board/{$project_id}/");
     $crumbs->addTextCrumb(pht('Column: %s', $title));
-
+    $crumbs->setBorder(true);
-    $box = id(new PHUIObjectBoxView())
-      ->setHeader($header)
-      ->addPropertyList($properties);
 
     $nav = $this->getProfileMenu();
+    require_celerity_resource('project-view-css');
+
+    $view = id(new PHUITwoColumnView())
+      ->setHeader($header)
+      ->addClass('project-view-home')
+      ->addClass('project-view-people-home')
+      ->setMainColumn(array(
+        $properties,
+        $timeline,
+      ));
 
     return $this->newPage()
       ->setTitle($title)
       ->setNavigation($nav)
       ->setCrumbs($crumbs)
-      ->appendChild(
+      ->appendChild($view);
-        array(
-          $box,
-          $timeline,
-        ));
   }
 
   private function buildHeaderView(PhabricatorProjectColumn $column) {
-    $viewer = $this->getRequest()->getUser();
+    $viewer = $this->getViewer();
 
     $header = id(new PHUIHeaderView())
-      ->setUser($viewer)
+      ->setHeader(pht('Column: %s', $column->getDisplayName()))
-      ->setHeader($column->getDisplayName());
+      ->setUser($viewer);
 
     if ($column->isHidden()) {
       $header->setStatus('fa-ban', 'dark', pht('Hidden'));
@@ -82,41 +84,13 @@ final class PhabricatorProjectColumnDetailController
     return $header;
   }
 
-  private function buildActionView(PhabricatorProjectColumn $column) {
-    $viewer = $this->getRequest()->getUser();
-
-    $id = $column->getID();
-    $project_id = $this->getProject()->getID();
-    $base_uri = '/board/'.$project_id.'/';
-
-    $actions = id(new PhabricatorActionListView())
-      ->setUser($viewer);
-
-    $can_edit = PhabricatorPolicyFilter::hasCapability(
-      $viewer,
-      $column,
-      PhabricatorPolicyCapability::CAN_EDIT);
-
-    $actions->addAction(
-      id(new PhabricatorActionView())
-        ->setName(pht('Edit Column'))
-        ->setIcon('fa-pencil')
-        ->setHref($this->getApplicationURI($base_uri.'edit/'.$id.'/'))
-        ->setDisabled(!$can_edit)
-        ->setWorkflow(true));
-
-    return $actions;
-  }
-
   private function buildPropertyView(
-    PhabricatorProjectColumn $column,
+    PhabricatorProjectColumn $column) {
-    PhabricatorActionListView $actions) {
+    $viewer = $this->getViewer();
-    $viewer = $this->getRequest()->getUser();
 
     $properties = id(new PHUIPropertyListView())
       ->setUser($viewer)
-      ->setObject($column)
+      ->setObject($column);
-      ->setActionList($actions);
 
     $limit = $column->getPointLimit();
     if ($limit === null) {
@@ -126,7 +100,12 @@ final class PhabricatorProjectColumnDetailController
     }
     $properties->addProperty(pht('Point Limit'), $limit_text);
 
-    return $properties;
+    $box = id(new PHUIObjectBoxView())
+      ->setHeaderText(pht('Details'))
+      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
+      ->appendChild($properties);
+
+    return $box;
   }
 
 }

src/applications/project/controller/PhabricatorProjectColumnHideController.php

@@ -65,7 +65,8 @@ final class PhabricatorProjectColumnHideController
         $xactions = array();
 
         $xactions[] = id(new PhabricatorProjectTransaction())
-          ->setTransactionType(PhabricatorProjectTransaction::TYPE_STATUS)
+          ->setTransactionType(
+              PhabricatorProjectStatusTransaction::TRANSACTIONTYPE)
           ->setNewValue($new_status);
 
         id(new PhabricatorProjectTransactionEditor())

src/applications/project/controller/PhabricatorProjectCoverController.php

@@ -36,7 +36,7 @@ final class PhabricatorProjectCoverController
     $xactions = array();
 
     $xactions[] = id(new ManiphestTransaction())
-      ->setTransactionType(ManiphestTransaction::TYPE_COVER_IMAGE)
+      ->setTransactionType(ManiphestTaskCoverImageTransaction::TRANSACTIONTYPE)
       ->setNewValue($file->getPHID());
 
     $editor = id(new ManiphestTransactionEditor())

src/applications/project/controller/PhabricatorProjectEditPictureController.php

@@ -23,8 +23,7 @@ final class PhabricatorProjectEditPictureController
 
     $this->setProject($project);
 
-    $edit_uri = $this->getApplicationURI('profile/'.$project->getID().'/');
+    $manage_uri = $this->getApplicationURI('manage/'.$project->getID().'/');
-    $view_uri = $this->getApplicationURI('profile/'.$project->getID().'/');
 
     $supported_formats = PhabricatorFile::getTransformableImageFormats();
     $e_file = true;
@@ -78,7 +77,8 @@ final class PhabricatorProjectEditPictureController
 
         $xactions = array();
         $xactions[] = id(new PhabricatorProjectTransaction())
-          ->setTransactionType(PhabricatorProjectTransaction::TYPE_IMAGE)
+          ->setTransactionType(
+              PhabricatorProjectImageTransaction::TRANSACTIONTYPE)
           ->setNewValue($new_value);
 
         $editor = id(new PhabricatorProjectTransactionEditor())
@@ -89,7 +89,7 @@ final class PhabricatorProjectEditPictureController
 
         $editor->applyTransactions($project, $xactions);
 
-        return id(new AphrontRedirectResponse())->setURI($edit_uri);
+        return id(new AphrontRedirectResponse())->setURI($manage_uri);
       }
     }
 
@@ -242,7 +242,7 @@ final class PhabricatorProjectEditPictureController
             pht('Supported formats: %s', implode(', ', $supported_formats))))
       ->appendChild(
         id(new AphrontFormSubmitControl())
-          ->addCancelButton($edit_uri)
+          ->addCancelButton($manage_uri)
           ->setValue(pht('Upload Picture')));
 
     $form_box = id(new PHUIObjectBoxView())

src/applications/project/controller/PhabricatorProjectMembersViewController.php

@@ -20,26 +20,21 @@ final class PhabricatorProjectMembersViewController
 
     $this->setProject($project);
     $title = pht('Members and Watchers');
-
-    $properties = $this->buildProperties($project);
     $curtain = $this->buildCurtainView($project);
 
-    $object_box = id(new PHUIObjectBoxView())
-      ->setHeaderText(pht('Details'))
-      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
-      ->addPropertyList($properties);
-
     $member_list = id(new PhabricatorProjectMemberListView())
       ->setUser($viewer)
       ->setProject($project)
       ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
-      ->setUserPHIDs($project->getMemberPHIDs());
+      ->setUserPHIDs($project->getMemberPHIDs())
+      ->setShowNote(true);
 
     $watcher_list = id(new PhabricatorProjectWatcherListView())
       ->setUser($viewer)
       ->setProject($project)
       ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
-      ->setUserPHIDs($project->getWatcherPHIDs());
+      ->setUserPHIDs($project->getWatcherPHIDs())
+      ->setShowNote(true);
 
     $nav = $this->getProfileMenu();
     $nav->selectFilter(PhabricatorProject::ITEM_MEMBERS);
@@ -52,16 +47,18 @@ final class PhabricatorProjectMembersViewController
       ->setHeader($title)
       ->setHeaderIcon('fa-group');
 
+    require_celerity_resource('project-view-css');
+
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)
       ->setCurtain($curtain)
+      ->addClass('project-view-home')
+      ->addClass('project-view-people-home')
       ->setMainColumn(array(
-        $object_box,
         $member_list,
         $watcher_list,
       ));
 
-
     return $this->newPage()
       ->setNavigation($nav)
       ->setCrumbs($crumbs)
@@ -69,110 +66,11 @@ final class PhabricatorProjectMembersViewController
       ->appendChild($view);
   }
 
-  private function buildProperties(PhabricatorProject $project) {
-    $viewer = $this->getViewer();
-
-    $view = id(new PHUIPropertyListView())
-      ->setUser($viewer)
-      ->setObject($project);
-
-    if ($project->isMilestone()) {
-      $icon_key = PhabricatorProjectIconSet::getMilestoneIconKey();
-      $icon = PhabricatorProjectIconSet::getIconIcon($icon_key);
-      $target = PhabricatorProjectIconSet::getIconName($icon_key);
-      $note = pht(
-        'Members of the parent project are members of this project.');
-      $show_join = false;
-    } else if ($project->getHasSubprojects()) {
-      $icon = 'fa-sitemap';
-      $target = pht('Parent Project');
-      $note = pht(
-        'Members of all subprojects are members of this project.');
-      $show_join = false;
-    } else if ($project->getIsMembershipLocked()) {
-      $icon = 'fa-lock';
-      $target = pht('Locked Project');
-      $note = pht(
-        'Users with access may join this project, but may not leave.');
-      $show_join = true;
-    } else {
-      $icon = 'fa-briefcase';
-      $target = pht('Normal Project');
-      $note = pht('Users with access may join and leave this project.');
-      $show_join = true;
-    }
-
-    $item = id(new PHUIStatusItemView())
-      ->setIcon($icon)
-      ->setTarget(phutil_tag('strong', array(), $target))
-      ->setNote($note);
-
-    $status = id(new PHUIStatusListView())
-      ->addItem($item);
-
-    $view->addProperty(pht('Membership'), $status);
-
-    if ($show_join) {
-      $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-        $viewer,
-        $project);
-
-      $view->addProperty(
-        pht('Joinable By'),
-        $descriptions[PhabricatorPolicyCapability::CAN_JOIN]);
-    }
-
-    $viewer_phid = $viewer->getPHID();
-
-    if ($project->isUserWatcher($viewer_phid)) {
-      $watch_item = id(new PHUIStatusItemView())
-        ->setIcon('fa-eye green')
-        ->setTarget(phutil_tag('strong', array(), pht('Watching')))
-        ->setNote(
-          pht(
-            'You will receive mail about changes made to any related '.
-            'object.'));
-
-      $watch_status = id(new PHUIStatusListView())
-        ->addItem($watch_item);
-
-      $view->addProperty(pht('Watching'), $watch_status);
-    }
-
-    if ($project->isUserMember($viewer_phid)) {
-      $is_silenced = $this->isProjectSilenced($project);
-      if ($is_silenced) {
-        $mail_icon = 'fa-envelope-o grey';
-        $mail_target = pht('Disabled');
-        $mail_note = pht(
-          'When mail is sent to project members, you will not receive '.
-          'a copy.');
-      } else {
-        $mail_icon = 'fa-envelope-o green';
-        $mail_target = pht('Enabled');
-        $mail_note = pht(
-          'You will receive mail that is sent to project members.');
-      }
-
-      $mail_item = id(new PHUIStatusItemView())
-        ->setIcon($mail_icon)
-        ->setTarget(phutil_tag('strong', array(), $mail_target))
-        ->setNote($mail_note);
-
-      $mail_status = id(new PHUIStatusListView())
-        ->addItem($mail_item);
-
-      $view->addProperty(pht('Mail to Members'), $mail_status);
-    }
-
-    return $view;
-  }
-
   private function buildCurtainView(PhabricatorProject $project) {
     $viewer = $this->getViewer();
     $id = $project->getID();
 
-    $curtain = $this->newCurtainView($project);
+    $curtain = $this->newCurtainView();
 
     $is_locked = $project->getIsMembershipLocked();
 
@@ -272,6 +170,42 @@ final class PhabricatorProjectMembersViewController
         ->setDisabled(!$can_lock)
         ->setWorkflow(true));
 
+    if ($project->isMilestone()) {
+      $icon_key = PhabricatorProjectIconSet::getMilestoneIconKey();
+      $header = PhabricatorProjectIconSet::getIconName($icon_key);
+      $note = pht(
+        'Members of the parent project are members of this project.');
+      $show_join = false;
+    } else if ($project->getHasSubprojects()) {
+      $header = pht('Parent Project');
+      $note = pht(
+        'Members of all subprojects are members of this project.');
+      $show_join = false;
+    } else if ($project->getIsMembershipLocked()) {
+      $header = pht('Locked Project');
+      $note = pht(
+        'Users with access may join this project, but may not leave.');
+      $show_join = true;
+    } else {
+      $header = pht('Normal Project');
+      $note = pht('Users with access may join and leave this project.');
+      $show_join = true;
+    }
+
+    $curtain->newPanel()
+      ->setHeaderText($header)
+      ->appendChild($note);
+
+    if ($show_join) {
+      $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
+        $viewer,
+        $project);
+
+      $curtain->newPanel()
+        ->setHeaderText(pht('Joinable By'))
+        ->appendChild($descriptions[PhabricatorPolicyCapability::CAN_JOIN]);
+    }
+
     return $curtain;
   }
 

src/applications/project/controller/PhabricatorProjectMoveController.php

@@ -153,10 +153,11 @@ final class PhabricatorProjectMoveController
     $xactions = array();
     if ($pri !== null) {
       $xactions[] = id(new ManiphestTransaction())
-        ->setTransactionType(ManiphestTransaction::TYPE_PRIORITY)
+        ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
         ->setNewValue($pri);
       $xactions[] = id(new ManiphestTransaction())
-        ->setTransactionType(ManiphestTransaction::TYPE_SUBPRIORITY)
+        ->setTransactionType(
+          ManiphestTaskSubpriorityTransaction::TRANSACTIONTYPE)
         ->setNewValue($sub);
     }
 

src/applications/project/controller/PhabricatorProjectProfileController.php

@@ -113,10 +113,7 @@ final class PhabricatorProjectProfileController
       ->setCrumbs($crumbs)
       ->setTitle($project->getDisplayName())
       ->setPageObjectPHIDs(array($project->getPHID()))
-      ->appendChild(
+      ->appendChild($home);
-        array(
-          $home,
-        ));
   }
 
   private function buildPropertyListView(

src/applications/project/controller/PhabricatorProjectSubprojectsController.php

@@ -26,6 +26,9 @@ final class PhabricatorProjectSubprojectsController
     $allows_subprojects = $project->supportsSubprojects();
     $allows_milestones = $project->supportsMilestones();
 
+    $subproject_list = null;
+    $milestone_list = null;
+
     if ($allows_subprojects) {
       $subprojects = id(new PhabricatorProjectQuery())
         ->setViewer($viewer)
@@ -33,6 +36,16 @@ final class PhabricatorProjectSubprojectsController
         ->needImages(true)
         ->withIsMilestone(false)
         ->execute();
+
+      $subproject_list = id(new PHUIObjectBoxView())
+        ->setHeaderText(pht('%s Subprojects', $project->getName()))
+        ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
+        ->setObjectList(
+          id(new PhabricatorProjectListView())
+            ->setUser($viewer)
+            ->setProjects($subprojects)
+            ->setNoDataString(pht('This project has no subprojects.'))
+            ->renderList());
     } else {
       $subprojects = array();
     }
@@ -45,52 +58,25 @@ final class PhabricatorProjectSubprojectsController
         ->withIsMilestone(true)
         ->setOrderVector(array('milestoneNumber', 'id'))
         ->execute();
-    } else {
-      $milestones = array();
-    }
 
-    if ($milestones) {
       $milestone_list = id(new PHUIObjectBoxView())
-        ->setHeaderText(pht('Milestones'))
+        ->setHeaderText(pht('%s Milestones', $project->getName()))
         ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
         ->setObjectList(
           id(new PhabricatorProjectListView())
             ->setUser($viewer)
             ->setProjects($milestones)
+            ->setNoDataString(pht('This project has no milestones.'))
             ->renderList());
     } else {
-      $milestone_list = null;
+      $milestones = array();
     }
 
-    if ($subprojects) {
-      $subproject_list = id(new PHUIObjectBoxView())
-        ->setHeaderText(pht('Subprojects'))
-        ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
-        ->setObjectList(
-          id(new PhabricatorProjectListView())
-            ->setUser($viewer)
-            ->setProjects($subprojects)
-            ->renderList());
-    } else {
-      $subproject_list = null;
-    }
-
-    $property_list = $this->buildPropertyList(
-      $project,
-      $milestones,
-      $subprojects);
-
     $curtain = $this->buildCurtainView(
       $project,
       $milestones,
       $subprojects);
 
-
-    $details = id(new PHUIObjectBoxView())
-      ->setHeaderText(pht('Details'))
-      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
-      ->addPropertyList($property_list);
-
     $nav = $this->getProfileMenu();
     $nav->selectFilter(PhabricatorProject::ITEM_SUBPROJECTS);
 
@@ -102,11 +88,24 @@ final class PhabricatorProjectSubprojectsController
       ->setHeader(pht('Subprojects and Milestones'))
       ->setHeaderIcon('fa-sitemap');
 
+    require_celerity_resource('project-view-css');
+
+    // This page isn't reachable via UI, but make it pretty anyways.
+    $info_view = null;
+    if (!$milestone_list && !$subproject_list) {
+      $info_view = id(new PHUIInfoView())
+        ->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
+        ->appendChild(pht('Milestone projects do not support subprojects '.
+          'or milestones.'));
+    }
+
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)
       ->setCurtain($curtain)
+      ->addClass('project-view-home')
+      ->addClass('project-view-people-home')
       ->setMainColumn(array(
-          $details,
+          $info_view,
           $milestone_list,
           $subproject_list,
       ));
@@ -118,73 +117,6 @@ final class PhabricatorProjectSubprojectsController
       ->appendChild($view);
   }
 
-  private function buildPropertyList(
-    PhabricatorProject $project,
-    array $milestones,
-    array $subprojects) {
-    $viewer = $this->getViewer();
-
-    $view = id(new PHUIPropertyListView())
-      ->setUser($viewer);
-
-    $view->addProperty(
-      pht('Prototype'),
-      $this->renderStatus(
-        'fa-exclamation-triangle red',
-        pht('Warning'),
-        pht('Subprojects and milestones are only partially implemented.')));
-
-    if (!$project->supportsMilestones()) {
-      $milestone_status = $this->renderStatus(
-        'fa-times grey',
-        pht('Already Milestone'),
-        pht(
-          'This project is already a milestone, and milestones may not '.
-          'have their own milestones.'));
-    } else {
-      if (!$milestones) {
-        $milestone_status = $this->renderStatus(
-          'fa-check grey',
-          pht('None Created'),
-          pht(
-            'You can create milestones for this project.'));
-      } else {
-        $milestone_status = $this->renderStatus(
-          'fa-check green',
-          pht('Has Milestones'),
-          pht('This project has milestones.'));
-      }
-    }
-
-    $view->addProperty(pht('Milestones'), $milestone_status);
-
-    if (!$project->supportsSubprojects()) {
-      $subproject_status = $this->renderStatus(
-        'fa-times grey',
-        pht('Milestone'),
-        pht(
-          'This project is a milestone, and milestones may not have '.
-          'subprojects.'));
-    } else {
-      if (!$subprojects) {
-        $subproject_status = $this->renderStatus(
-          'fa-check grey',
-          pht('None Created'),
-          pht('You can create subprojects for this project.'));
-      } else {
-        $subproject_status = $this->renderStatus(
-          'fa-check green',
-          pht('Has Subprojects'),
-          pht(
-            'This project has subprojects.'));
-      }
-    }
-
-    $view->addProperty(pht('Subprojects'), $subproject_status);
-
-    return $view;
-  }
-
   private function buildCurtainView(
     PhabricatorProject $project,
     array $milestones,
@@ -203,7 +135,7 @@ final class PhabricatorProjectSubprojectsController
     $allows_milestones = $project->supportsMilestones();
     $allows_subprojects = $project->supportsSubprojects();
 
-    $curtain = $this->newCurtainView($project);
+    $curtain = $this->newCurtainView();
 
     if ($allows_milestones && $milestones) {
       $milestone_text = pht('Create Next Milestone');
@@ -244,6 +176,39 @@ final class PhabricatorProjectSubprojectsController
         ->setDisabled($subproject_disabled)
         ->setWorkflow($subproject_workflow));
 
+
+    if (!$project->supportsMilestones()) {
+      $note = pht(
+        'This project is already a milestone, and milestones may not '.
+        'have their own milestones.');
+    } else {
+      if (!$milestones) {
+        $note = pht('Milestones can be created for this project.');
+      } else {
+        $note = pht('This project has milestones.');
+      }
+    }
+
+    $curtain->newPanel()
+      ->setHeaderText(pht('Milestones'))
+      ->appendChild($note);
+
+    if (!$project->supportsSubprojects()) {
+      $note = pht(
+        'This project is a milestone, and milestones may not have '.
+        'subprojects.');
+    } else {
+      if (!$subprojects) {
+        $note = pht('Subprojects can be created for this project.');
+      } else {
+        $note = pht('This project has subprojects.');
+      }
+    }
+
+    $curtain->newPanel()
+      ->setHeaderText(pht('Subprojects'))
+      ->appendChild($note);
+
     return $curtain;
   }
 

src/applications/project/editor/PhabricatorProjectTransactionEditor.php

@@ -10,7 +10,7 @@ final class PhabricatorProjectTransactionEditor
     return $this;
   }
 
-  private function getIsMilestone() {
+  public function getIsMilestone() {
     return $this->isMilestone;
   }
 
@@ -30,12 +30,6 @@ final class PhabricatorProjectTransactionEditor
     $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
     $types[] = PhabricatorTransactions::TYPE_JOIN_POLICY;
 
-    $types[] = PhabricatorProjectTransaction::TYPE_NAME;
-    $types[] = PhabricatorProjectTransaction::TYPE_SLUGS;
-    $types[] = PhabricatorProjectTransaction::TYPE_STATUS;
-    $types[] = PhabricatorProjectTransaction::TYPE_IMAGE;
-    $types[] = PhabricatorProjectTransaction::TYPE_ICON;
-    $types[] = PhabricatorProjectTransaction::TYPE_COLOR;
     $types[] = PhabricatorProjectTransaction::TYPE_LOCKED;
     $types[] = PhabricatorProjectTransaction::TYPE_PARENT;
     $types[] = PhabricatorProjectTransaction::TYPE_MILESTONE;
@@ -52,21 +46,6 @@ final class PhabricatorProjectTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_NAME:
-        return $object->getName();
-      case PhabricatorProjectTransaction::TYPE_SLUGS:
-        $slugs = $object->getSlugs();
-        $slugs = mpull($slugs, 'getSlug', 'getSlug');
-        unset($slugs[$object->getPrimarySlug()]);
-        return array_keys($slugs);
-      case PhabricatorProjectTransaction::TYPE_STATUS:
-        return $object->getStatus();
-      case PhabricatorProjectTransaction::TYPE_IMAGE:
-        return $object->getProfileImagePHID();
-      case PhabricatorProjectTransaction::TYPE_ICON:
-        return $object->getIcon();
-      case PhabricatorProjectTransaction::TYPE_COLOR:
-        return $object->getColor();
       case PhabricatorProjectTransaction::TYPE_LOCKED:
         return (int)$object->getIsMembershipLocked();
       case PhabricatorProjectTransaction::TYPE_HASWORKBOARD:
@@ -90,11 +69,6 @@ final class PhabricatorProjectTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_NAME:
-      case PhabricatorProjectTransaction::TYPE_STATUS:
-      case PhabricatorProjectTransaction::TYPE_IMAGE:
-      case PhabricatorProjectTransaction::TYPE_ICON:
-      case PhabricatorProjectTransaction::TYPE_COLOR:
       case PhabricatorProjectTransaction::TYPE_LOCKED:
       case PhabricatorProjectTransaction::TYPE_PARENT:
       case PhabricatorProjectTransaction::TYPE_MILESTONE:
@@ -109,8 +83,6 @@ final class PhabricatorProjectTransactionEditor
           return null;
         }
         return $value;
-      case PhabricatorProjectTransaction::TYPE_SLUGS:
-        return $this->normalizeSlugs($xaction->getNewValue());
     }
 
     return parent::getCustomTransactionNewValue($object, $xaction);
@@ -121,27 +93,6 @@ final class PhabricatorProjectTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_NAME:
-        $name = $xaction->getNewValue();
-        $object->setName($name);
-        if (!$this->getIsMilestone()) {
-          $object->setPrimarySlug(PhabricatorSlug::normalizeProjectSlug($name));
-        }
-        return;
-      case PhabricatorProjectTransaction::TYPE_SLUGS:
-        return;
-      case PhabricatorProjectTransaction::TYPE_STATUS:
-        $object->setStatus($xaction->getNewValue());
-        return;
-      case PhabricatorProjectTransaction::TYPE_IMAGE:
-        $object->setProfileImagePHID($xaction->getNewValue());
-        return;
-      case PhabricatorProjectTransaction::TYPE_ICON:
-        $object->setIcon($xaction->getNewValue());
-        return;
-      case PhabricatorProjectTransaction::TYPE_COLOR:
-        $object->setColor($xaction->getNewValue());
-        return;
       case PhabricatorProjectTransaction::TYPE_LOCKED:
         $object->setIsMembershipLocked($xaction->getNewValue());
         return;
@@ -178,32 +129,6 @@ final class PhabricatorProjectTransactionEditor
     $new = $xaction->getNewValue();
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_NAME:
-        // First, add the old name as a secondary slug; this is helpful
-        // for renames and generally a good thing to do.
-        if (!$this->getIsMilestone()) {
-          if ($old !== null) {
-            $this->addSlug($object, $old, false);
-          }
-          $this->addSlug($object, $new, false);
-        }
-        return;
-      case PhabricatorProjectTransaction::TYPE_SLUGS:
-        $old = $xaction->getOldValue();
-        $new = $xaction->getNewValue();
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
-
-        foreach ($add as $slug) {
-          $this->addSlug($object, $slug, true);
-        }
-
-        $this->removeSlugs($object, $rem);
-        return;
-      case PhabricatorProjectTransaction::TYPE_STATUS:
-      case PhabricatorProjectTransaction::TYPE_IMAGE:
-      case PhabricatorProjectTransaction::TYPE_ICON:
-      case PhabricatorProjectTransaction::TYPE_COLOR:
       case PhabricatorProjectTransaction::TYPE_LOCKED:
       case PhabricatorProjectTransaction::TYPE_PARENT:
       case PhabricatorProjectTransaction::TYPE_MILESTONE:
@@ -299,118 +224,6 @@ final class PhabricatorProjectTransactionEditor
     $errors = parent::validateTransaction($object, $type, $xactions);
 
     switch ($type) {
-      case PhabricatorProjectTransaction::TYPE_NAME:
-        $missing = $this->validateIsEmptyTextField(
-          $object->getName(),
-          $xactions);
-
-        if ($missing) {
-          $error = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Required'),
-            pht('Project name is required.'),
-            nonempty(last($xactions), null));
-
-          $error->setIsMissingFieldError(true);
-          $errors[] = $error;
-        }
-
-        if (!$xactions) {
-          break;
-        }
-
-        if ($this->getIsMilestone()) {
-          break;
-        }
-
-        $name = last($xactions)->getNewValue();
-
-        if (!PhabricatorSlug::isValidProjectSlug($name)) {
-          $errors[] = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Invalid'),
-            pht(
-              'Project names must contain at least one letter or number.'),
-            last($xactions));
-          break;
-        }
-
-        $slug = PhabricatorSlug::normalizeProjectSlug($name);
-
-        $slug_used_already = id(new PhabricatorProjectSlug())
-          ->loadOneWhere('slug = %s', $slug);
-        if ($slug_used_already &&
-            $slug_used_already->getProjectPHID() != $object->getPHID()) {
-          $error = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Duplicate'),
-            pht(
-              'Project name generates the same hashtag ("%s") as another '.
-              'existing project. Choose a unique name.',
-              '#'.$slug),
-            nonempty(last($xactions), null));
-          $errors[] = $error;
-        }
-        break;
-      case PhabricatorProjectTransaction::TYPE_SLUGS:
-        if (!$xactions) {
-          break;
-        }
-
-        $slug_xaction = last($xactions);
-
-        $new = $slug_xaction->getNewValue();
-
-        $invalid = array();
-        foreach ($new as $slug) {
-          if (!PhabricatorSlug::isValidProjectSlug($slug)) {
-            $invalid[] = $slug;
-          }
-        }
-
-        if ($invalid) {
-          $errors[] = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Invalid'),
-            pht(
-              'Hashtags must contain at least one letter or number. %s '.
-              'project hashtag(s) are invalid: %s.',
-              phutil_count($invalid),
-              implode(', ', $invalid)),
-            $slug_xaction);
-          break;
-        }
-
-        $new = $this->normalizeSlugs($new);
-
-        if ($new) {
-          $slugs_used_already = id(new PhabricatorProjectSlug())
-            ->loadAllWhere('slug IN (%Ls)', $new);
-        } else {
-          // The project doesn't have any extra slugs.
-          $slugs_used_already = array();
-        }
-
-        $slugs_used_already = mgroup($slugs_used_already, 'getProjectPHID');
-        foreach ($slugs_used_already as $project_phid => $used_slugs) {
-          if ($project_phid == $object->getPHID()) {
-            continue;
-          }
-
-          $used_slug_strs = mpull($used_slugs, 'getSlug');
-
-          $error = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Invalid'),
-            pht(
-              '%s project hashtag(s) are already used by other projects: %s.',
-              phutil_count($used_slug_strs),
-              implode(', ', $used_slug_strs)),
-            $slug_xaction);
-          $errors[] = $error;
-        }
-
-        break;
       case PhabricatorProjectTransaction::TYPE_PARENT:
       case PhabricatorProjectTransaction::TYPE_MILESTONE:
         if (!$xactions) {
@@ -497,11 +310,11 @@ final class PhabricatorProjectTransactionEditor
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_NAME:
+      case PhabricatorProjectNameTransaction::TRANSACTIONTYPE:
-      case PhabricatorProjectTransaction::TYPE_STATUS:
+      case PhabricatorProjectStatusTransaction::TRANSACTIONTYPE:
-      case PhabricatorProjectTransaction::TYPE_IMAGE:
+      case PhabricatorProjectImageTransaction::TRANSACTIONTYPE:
-      case PhabricatorProjectTransaction::TYPE_ICON:
+      case PhabricatorProjectIconTransaction::TRANSACTIONTYPE:
-      case PhabricatorProjectTransaction::TYPE_COLOR:
+      case PhabricatorProjectColorTransaction::TRANSACTIONTYPE:
         PhabricatorPolicyFilter::requireCapability(
           $this->requireActor(),
           $object,
@@ -638,22 +451,6 @@ final class PhabricatorProjectTransactionEditor
     return true;
   }
 
-  protected function extractFilePHIDsFromCustomTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_IMAGE:
-        $new = $xaction->getNewValue();
-        if ($new) {
-          return array($new);
-        }
-        break;
-    }
-
-    return parent::extractFilePHIDsFromCustomTransaction($object, $xaction);
-  }
-
   protected function applyFinalEffects(
     PhabricatorLiskDAO $object,
     array $xactions) {
@@ -717,7 +514,7 @@ final class PhabricatorProjectTransactionEditor
     return parent::applyFinalEffects($object, $xactions);
   }
 
-  private function addSlug(PhabricatorProject $project, $slug, $force) {
+  public function addSlug(PhabricatorProject $project, $slug, $force) {
     $slug = PhabricatorSlug::normalizeProjectSlug($slug);
     $table = new PhabricatorProjectSlug();
     $project_phid = $project->getPHID();
@@ -748,7 +545,7 @@ final class PhabricatorProjectTransactionEditor
       ->save();
   }
 
-  private function removeSlugs(PhabricatorProject $project, array $slugs) {
+  public function removeSlugs(PhabricatorProject $project, array $slugs) {
     if (!$slugs) {
       return;
     }
@@ -770,7 +567,7 @@ final class PhabricatorProjectTransactionEditor
     }
   }
 
-  private function normalizeSlugs(array $slugs) {
+  public function normalizeSlugs(array $slugs) {
     foreach ($slugs as $key => $slug) {
       $slugs[$key] = PhabricatorSlug::normalizeProjectSlug($slug);
     }

src/applications/project/engine/PhabricatorProjectEditEngine.php

@@ -112,8 +112,8 @@ final class PhabricatorProjectEditEngine
       PhabricatorTransactions::TYPE_VIEW_POLICY,
       PhabricatorTransactions::TYPE_EDIT_POLICY,
       PhabricatorTransactions::TYPE_JOIN_POLICY,
-      PhabricatorProjectTransaction::TYPE_ICON,
+      PhabricatorProjectIconTransaction::TRANSACTIONTYPE,
-      PhabricatorProjectTransaction::TYPE_COLOR,
+      PhabricatorProjectColorTransaction::TRANSACTIONTYPE,
     );
     $unavailable = array_fuse($unavailable);
 
@@ -235,7 +235,7 @@ final class PhabricatorProjectEditEngine
       id(new PhabricatorTextEditField())
         ->setKey('name')
         ->setLabel(pht('Name'))
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_NAME)
+        ->setTransactionType(PhabricatorProjectNameTransaction::TRANSACTIONTYPE)
         ->setIsRequired(true)
         ->setDescription(pht('Project name.'))
         ->setConduitDescription(pht('Rename the project'))
@@ -244,7 +244,7 @@ final class PhabricatorProjectEditEngine
       id(new PhabricatorIconSetEditField())
         ->setKey('icon')
         ->setLabel(pht('Icon'))
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_ICON)
+        ->setTransactionType(PhabricatorProjectIconTransaction::TRANSACTIONTYPE)
         ->setIconSet(new PhabricatorProjectIconSet())
         ->setDescription(pht('Project icon.'))
         ->setConduitDescription(pht('Change the project icon.'))
@@ -253,7 +253,8 @@ final class PhabricatorProjectEditEngine
       id(new PhabricatorSelectEditField())
         ->setKey('color')
         ->setLabel(pht('Color'))
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_COLOR)
+        ->setTransactionType(
+            PhabricatorProjectColorTransaction::TRANSACTIONTYPE)
         ->setOptions(PhabricatorProjectIconSet::getColorMap())
         ->setDescription(pht('Project tag color.'))
         ->setConduitDescription(pht('Change the project tag color.'))
@@ -262,7 +263,8 @@ final class PhabricatorProjectEditEngine
       id(new PhabricatorStringListEditField())
         ->setKey('slugs')
         ->setLabel(pht('Additional Hashtags'))
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_SLUGS)
+        ->setTransactionType(
+            PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE)
         ->setDescription(pht('Additional project slugs.'))
         ->setConduitDescription(pht('Change project slugs.'))
         ->setConduitTypeDescription(pht('New list of slugs.'))

src/applications/project/lipsum/PhabricatorProjectTestDataGenerator.php

@@ -16,11 +16,11 @@ final class PhabricatorProjectTestDataGenerator
     $xactions = array();
 
     $xactions[] = $this->newTransaction(
-      PhabricatorProjectTransaction::TYPE_NAME,
+      PhabricatorProjectNameTransaction::TRANSACTIONTYPE,
       $this->newProjectTitle());
 
     $xactions[] = $this->newTransaction(
-      PhabricatorProjectTransaction::TYPE_STATUS,
+      PhabricatorProjectStatusTransaction::TRANSACTIONTYPE,
       $this->newProjectStatus());
 
     // Almost always make the author a member.

src/applications/project/storage/PhabricatorProjectTransaction.php

@@ -1,14 +1,8 @@
 <?php
 
 final class PhabricatorProjectTransaction
-  extends PhabricatorApplicationTransaction {
+  extends PhabricatorModularTransaction {
 
-  const TYPE_NAME       = 'project:name';
-  const TYPE_SLUGS      = 'project:slugs';
-  const TYPE_STATUS     = 'project:status';
-  const TYPE_IMAGE      = 'project:image';
-  const TYPE_ICON       = 'project:icon';
-  const TYPE_COLOR      = 'project:color';
   const TYPE_LOCKED     = 'project:locked';
   const TYPE_PARENT = 'project:parent';
   const TYPE_MILESTONE = 'project:milestone';
@@ -33,6 +27,10 @@ final class PhabricatorProjectTransaction
     return PhabricatorProjectProjectPHIDType::TYPECONST;
   }
 
+  public function getBaseTransactionClass() {
+    return 'PhabricatorProjectTransactionType';
+  }
+
   public function getRequiredHandlePHIDs() {
     $old = $this->getOldValue();
     $new = $this->getNewValue();
@@ -44,31 +42,11 @@ final class PhabricatorProjectTransaction
         $rem = array_diff($old, $new);
         $req_phids = array_merge($add, $rem);
         break;
-      case self::TYPE_IMAGE:
-        $req_phids[] = $old;
-        $req_phids[] = $new;
-        break;
     }
 
     return array_merge($req_phids, parent::getRequiredHandlePHIDs());
   }
 
-  public function getColor() {
-
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    switch ($this->getTransactionType()) {
-      case self::TYPE_STATUS:
-        if ($old == 0) {
-          return 'red';
-        } else {
-          return 'green';
-        }
-      }
-    return parent::getColor();
-  }
-
   public function shouldHide() {
     switch ($this->getTransactionType()) {
       case PhabricatorTransactions::TYPE_EDGE:
@@ -113,26 +91,14 @@ final class PhabricatorProjectTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_STATUS:
-        if ($old == 0) {
-          return 'fa-ban';
-        } else {
-          return 'fa-check';
-        }
       case self::TYPE_LOCKED:
         if ($new) {
           return 'fa-lock';
         } else {
           return 'fa-unlock';
         }
-      case self::TYPE_ICON:
-        return PhabricatorProjectIconSet::getIconIcon($new);
-      case self::TYPE_IMAGE:
-        return 'fa-photo';
       case self::TYPE_MEMBERS:
         return 'fa-user';
-      case self::TYPE_SLUGS:
-        return 'fa-tag';
     }
     return parent::getIcon();
   }
@@ -149,68 +115,6 @@ final class PhabricatorProjectTransaction
           '%s created this project.',
           $this->renderHandleLink($author_phid));
 
-      case self::TYPE_NAME:
-        if ($old === null) {
-          return pht(
-            '%s created this project.',
-            $author_handle);
-        } else {
-          return pht(
-            '%s renamed this project from "%s" to "%s".',
-            $author_handle,
-            $old,
-            $new);
-        }
-        break;
-
-      case self::TYPE_STATUS:
-        if ($old == 0) {
-          return pht(
-            '%s archived this project.',
-            $author_handle);
-        } else {
-          return pht(
-            '%s activated this project.',
-            $author_handle);
-        }
-        break;
-
-      case self::TYPE_IMAGE:
-        // TODO: Some day, it would be nice to show the images.
-        if (!$old) {
-          return pht(
-            "%s set this project's image to %s.",
-            $author_handle,
-            $this->renderHandleLink($new));
-        } else if (!$new) {
-          return pht(
-            "%s removed this project's image.",
-            $author_handle);
-        } else {
-          return pht(
-            "%s updated this project's image from %s to %s.",
-            $author_handle,
-            $this->renderHandleLink($old),
-            $this->renderHandleLink($new));
-        }
-        break;
-
-      case self::TYPE_ICON:
-        $set = new PhabricatorProjectIconSet();
-
-        return pht(
-          "%s set this project's icon to %s.",
-          $author_handle,
-          $set->getIconLabel($new));
-        break;
-
-      case self::TYPE_COLOR:
-        return pht(
-          "%s set this project's color to %s.",
-          $author_handle,
-          PHUITagView::getShadeName($new));
-        break;
-
       case self::TYPE_LOCKED:
         if ($new) {
           return pht(
@@ -223,33 +127,6 @@ final class PhabricatorProjectTransaction
         }
         break;
 
-      case self::TYPE_SLUGS:
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
-
-        if ($add && $rem) {
-          return pht(
-            '%s changed project hashtag(s), added %d: %s; removed %d: %s.',
-            $author_handle,
-            count($add),
-            $this->renderSlugList($add),
-            count($rem),
-            $this->renderSlugList($rem));
-        } else if ($add) {
-          return pht(
-            '%s added %d project hashtag(s): %s.',
-            $author_handle,
-            count($add),
-            $this->renderSlugList($add));
-        } else if ($rem) {
-            return pht(
-              '%s removed %d project hashtag(s): %s.',
-              $author_handle,
-              count($rem),
-              $this->renderSlugList($rem));
-        }
-        break;
-
       case self::TYPE_MEMBERS:
         $add = array_diff($new, $old);
         $rem = array_diff($old, $new);
@@ -329,112 +206,18 @@ final class PhabricatorProjectTransaction
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_NAME:
-        if ($old === null) {
-          return pht(
-            '%s created %s.',
-            $author_handle,
-            $object_handle);
-        } else {
-          return pht(
-            '%s renamed %s from "%s" to "%s".',
-            $author_handle,
-            $object_handle,
-            $old,
-            $new);
-        }
-      case self::TYPE_STATUS:
-        if ($old == 0) {
-          return pht(
-            '%s archived %s.',
-            $author_handle,
-            $object_handle);
-        } else {
-          return pht(
-            '%s activated %s.',
-            $author_handle,
-            $object_handle);
-        }
-      case self::TYPE_IMAGE:
-        // TODO: Some day, it would be nice to show the images.
-        if (!$old) {
-          return pht(
-            '%s set the image for %s to %s.',
-            $author_handle,
-            $object_handle,
-            $this->renderHandleLink($new));
-        } else if (!$new) {
-          return pht(
-            '%s removed the image for %s.',
-            $author_handle,
-            $object_handle);
-        } else {
-          return pht(
-            '%s updated the image for %s from %s to %s.',
-            $author_handle,
-            $object_handle,
-            $this->renderHandleLink($old),
-            $this->renderHandleLink($new));
-        }
-
-      case self::TYPE_ICON:
-        $set = new PhabricatorProjectIconSet();
-
-        return pht(
-          '%s set the icon for %s to %s.',
-          $author_handle,
-          $object_handle,
-          $set->getIconLabel($new));
-
-      case self::TYPE_COLOR:
-        return pht(
-          '%s set the color for %s to %s.',
-          $author_handle,
-          $object_handle,
-          PHUITagView::getShadeName($new));
-
       case self::TYPE_LOCKED:
         if ($new) {
           return pht(
-            '%s locked %s membership.',
+            '%s locked membership for %s.',
             $author_handle,
             $object_handle);
         } else {
           return pht(
-            '%s unlocked %s membership.',
+            '%s unlocked membership for %s.',
             $author_handle,
             $object_handle);
         }
-
-      case self::TYPE_SLUGS:
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
-
-        if ($add && $rem) {
-          return pht(
-            '%s changed %s hashtag(s), added %d: %s; removed %d: %s.',
-            $author_handle,
-            $object_handle,
-            count($add),
-            $this->renderSlugList($add),
-            count($rem),
-            $this->renderSlugList($rem));
-        } else if ($add) {
-          return pht(
-            '%s added %d %s hashtag(s): %s.',
-            $author_handle,
-            count($add),
-            $object_handle,
-            $this->renderSlugList($add));
-        } else if ($rem) {
-          return pht(
-            '%s removed %d %s hashtag(s): %s.',
-            $author_handle,
-            count($rem),
-            $object_handle,
-            $this->renderSlugList($rem));
-        }
-
     }
 
     return parent::getTitleForFeed();
@@ -443,11 +226,11 @@ final class PhabricatorProjectTransaction
   public function getMailTags() {
     $tags = array();
     switch ($this->getTransactionType()) {
-      case self::TYPE_NAME:
+      case PhabricatorProjectNameTransaction::TRANSACTIONTYPE:
-      case self::TYPE_SLUGS:
+      case PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE:
-      case self::TYPE_IMAGE:
+      case PhabricatorProjectImageTransaction::TRANSACTIONTYPE:
-      case self::TYPE_ICON:
+      case PhabricatorProjectIconTransaction::TRANSACTIONTYPE:
-      case self::TYPE_COLOR:
+      case PhabricatorProjectColorTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_METADATA;
         break;
       case PhabricatorTransactions::TYPE_EDGE:
@@ -463,7 +246,7 @@ final class PhabricatorProjectTransaction
           $tags[] = self::MAILTAG_OTHER;
         }
         break;
-      case self::TYPE_STATUS:
+      case PhabricatorProjectStatusTransaction::TRANSACTIONTYPE:
       case self::TYPE_LOCKED:
       default:
         $tags[] = self::MAILTAG_OTHER;
@@ -472,8 +255,4 @@ final class PhabricatorProjectTransaction
     return $tags;
   }
 
-  private function renderSlugList($slugs) {
-    return implode(', ', $slugs);
-  }
-
 }

src/applications/project/view/PhabricatorProjectListView.php

@@ -5,6 +5,7 @@ final class PhabricatorProjectListView extends AphrontView {
   private $projects;
   private $showMember;
   private $showWatching;
+  private $noDataString;
 
   public function setProjects(array $projects) {
     $this->projects = $projects;
@@ -25,6 +26,11 @@ final class PhabricatorProjectListView extends AphrontView {
     return $this;
   }
 
+  public function setNoDataString($text) {
+    $this->noDataString = $text;
+    return $this;
+  }
+
   public function renderList() {
     $viewer = $this->getUser();
     $viewer_phid = $viewer->getPHID();
@@ -32,8 +38,14 @@ final class PhabricatorProjectListView extends AphrontView {
 
     $handles = $viewer->loadHandles(mpull($projects, 'getPHID'));
 
+    $no_data = pht('No projects found.');
+    if ($this->noDataString) {
+      $no_data = $this->noDataString;
+    }
+
     $list = id(new PHUIObjectItemListView())
-      ->setUser($viewer);
+      ->setUser($viewer)
+      ->setNoDataString($no_data);
 
     foreach ($projects as $key => $project) {
       $id = $project->getID();
@@ -56,7 +68,7 @@ final class PhabricatorProjectListView extends AphrontView {
           ));
 
       if ($project->getStatus() == PhabricatorProjectStatus::STATUS_ARCHIVED) {
-        $item->addIcon('delete-grey', pht('Archived'));
+        $item->addIcon('fa-ban', pht('Archived'));
         $item->setDisabled(true);
       }
 

src/applications/project/view/PhabricatorProjectMemberListView.php

@@ -4,7 +4,7 @@ final class PhabricatorProjectMemberListView
   extends PhabricatorProjectUserListView {
 
   protected function canEditList() {
-    $viewer = $this->getUser();
+    $viewer = $this->getViewer();
     $project = $this->getProject();
 
     if (!$project->supportsEditMembers()) {
@@ -31,4 +31,35 @@ final class PhabricatorProjectMemberListView
     return pht('Members');
   }
 
+  protected function getMembershipNote() {
+    $viewer = $this->getViewer();
+    $viewer_phid = $viewer->getPHID();
+    $project = $this->getProject();
+
+    if (!$viewer_phid) {
+      return null;
+    }
+
+    $note = null;
+    if ($project->isUserMember($viewer_phid)) {
+      $edge_type = PhabricatorProjectSilencedEdgeType::EDGECONST;
+      $silenced = PhabricatorEdgeQuery::loadDestinationPHIDs(
+        $project->getPHID(),
+        $edge_type);
+      $silenced = array_fuse($silenced);
+      $is_silenced = isset($silenced[$viewer_phid]);
+      if ($is_silenced) {
+        $note = pht(
+          'You have disabled mail. When mail is sent to project members, '.
+          'you will not receive a copy.');
+      } else {
+        $note = pht(
+          'You are a member and you will receive mail that is sent to all '.
+          'project members.');
+      }
+    }
+
+    return $note;
+  }
+
 }

src/applications/project/view/PhabricatorProjectUserListView.php

@@ -6,6 +6,7 @@ abstract class PhabricatorProjectUserListView extends AphrontView {
   private $userPHIDs;
   private $limit;
   private $background;
+  private $showNote;
 
   public function setProject(PhabricatorProject $project) {
     $this->project = $project;
@@ -39,10 +40,16 @@ abstract class PhabricatorProjectUserListView extends AphrontView {
     return $this;
   }
 
+  public function setShowNote($show) {
+    $this->showNote = $show;
+    return $this;
+  }
+
   abstract protected function canEditList();
   abstract protected function getNoDataString();
   abstract protected function getRemoveURI($phid);
   abstract protected function getHeaderText();
+  abstract protected function getMembershipNote();
 
   public function render() {
     $viewer = $this->getViewer();
@@ -135,6 +142,15 @@ abstract class PhabricatorProjectUserListView extends AphrontView {
       ->setHeader($header)
       ->setObjectList($list);
 
+    if ($this->showNote) {
+      if ($this->getMembershipNote()) {
+        $info = id(new PHUIInfoView())
+        ->setSeverity(PHUIInfoView::SEVERITY_PLAIN)
+        ->appendChild($this->getMembershipNote());
+        $box->setInfoView($info);
+      }
+    }
+
     if ($this->background) {
       $box->setBackground($this->background);
     }

src/applications/project/view/PhabricatorProjectWatcherListView.php

@@ -4,7 +4,7 @@ final class PhabricatorProjectWatcherListView
   extends PhabricatorProjectUserListView {
 
   protected function canEditList() {
-    $viewer = $this->getUser();
+    $viewer = $this->getViewer();
     $project = $this->getProject();
 
     return PhabricatorPolicyFilter::hasCapability(
@@ -27,4 +27,17 @@ final class PhabricatorProjectWatcherListView
     return pht('Watchers');
   }
 
+  protected function getMembershipNote() {
+    $viewer = $this->getViewer();
+    $viewer_phid = $viewer->getPHID();
+    $project = $this->getProject();
+
+    $note = null;
+    if ($project->isUserWatcher($viewer_phid)) {
+      $note = pht('You are watching this project and will receive mail about '.
+                  'changes made to any related object.');
+    }
+    return $note;
+  }
+
 }

src/applications/project/xaction/PhabricatorProjectColorTransaction.php

@@ -0,0 +1,33 @@
+<?php
+
+final class PhabricatorProjectColorTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:color';
+
+  public function generateOldValue($object) {
+    return $object->getColor();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setColor($value);
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+    return pht(
+      "%s set this project's color to %s.",
+      $this->renderAuthor(),
+      $this->renderValue(PHUITagView::getShadeName($new)));
+  }
+
+  public function getTitleForFeed() {
+    $new = $this->getNewValue();
+    return pht(
+      '%s set the color for %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderValue(PHUITagView::getShadeName($new)));
+  }
+
+}

src/applications/project/xaction/PhabricatorProjectIconTransaction.php

@@ -0,0 +1,42 @@
+<?php
+
+final class PhabricatorProjectIconTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:icon';
+
+  public function generateOldValue($object) {
+    return $object->getIcon();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setIcon($value);
+  }
+
+  public function getTitle() {
+    $set = new PhabricatorProjectIconSet();
+    $new = $this->getNewValue();
+
+    return pht(
+      "%s set this project's icon to %s.",
+      $this->renderAuthor(),
+      $this->renderValue($set->getIconLabel($new)));
+  }
+
+  public function getTitleForFeed() {
+    $set = new PhabricatorProjectIconSet();
+    $new = $this->getNewValue();
+
+    return pht(
+      '%s set the icon for %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderValue($set->getIconLabel($new)));
+  }
+
+  public function getIcon() {
+    $new = $this->getNewValue();
+    return PhabricatorProjectIconSet::getIconIcon($new);
+  }
+
+}

src/applications/project/xaction/PhabricatorProjectImageTransaction.php

@@ -0,0 +1,136 @@
+<?php
+
+final class PhabricatorProjectImageTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:image';
+
+  public function generateOldValue($object) {
+    return $object->getProfileImagePHID();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setProfileImagePHID($value);
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $old = $this->getOldValue();
+    $new = $value;
+    $all = array();
+    if ($old) {
+      $all[] = $old;
+    }
+    if ($new) {
+      $all[] = $new;
+    }
+
+    $files = id(new PhabricatorFileQuery())
+      ->setViewer($this->getActor())
+      ->withPHIDs($all)
+      ->execute();
+    $files = mpull($files, null, 'getPHID');
+
+    $old_file = idx($files, $old);
+    if ($old_file) {
+      $old_file->detachFromObject($object->getPHID());
+    }
+
+    $new_file = idx($files, $new);
+    if ($new_file) {
+      $new_file->attachToObject($object->getPHID());
+    }
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    // TODO: Some day, it would be nice to show the images.
+    if (!$old) {
+      return pht(
+        "%s set this project's image to %s.",
+        $this->renderAuthor(),
+        $this->renderNewHandle());
+    } else if (!$new) {
+      return pht(
+        "%s removed this project's image.",
+        $this->renderAuthor());
+    } else {
+      return pht(
+        "%s updated this project's image from %s to %s.",
+        $this->renderAuthor(),
+        $this->renderOldHandle(),
+        $this->renderNewHandle());
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    // TODO: Some day, it would be nice to show the images.
+    if (!$old) {
+      return pht(
+        '%s set the image for %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderNewHandle());
+    } else if (!$new) {
+      return pht(
+        '%s removed the image for %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    } else {
+      return pht(
+        '%s updated the image for %s from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderOldHandle(),
+        $this->renderNewHandle());
+    }
+  }
+
+  public function getIcon() {
+    return 'fa-photo';
+  }
+
+  public function extractFilePHIDs($object, $value) {
+    if ($value) {
+      return array($value);
+    }
+    return array();
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+    $viewer = $this->getActor();
+
+    foreach ($xactions as $xaction) {
+      $file_phid = $xaction->getNewValue();
+
+      // Only validate if file was uploaded
+      if ($file_phid) {
+        $file = id(new PhabricatorFileQuery())
+          ->setViewer($viewer)
+          ->withPHIDs(array($file_phid))
+          ->executeOne();
+
+        if (!$file) {
+          $errors[] = $this->newInvalidError(
+            pht('"%s" is not a valid file PHID.',
+            $file_phid));
+        } else {
+          if (!$file->isViewableImage()) {
+            $mime_type = $file->getMimeType();
+            $errors[] = $this->newInvalidError(
+              pht('File mime type of "%s" is not a valid viewable image.',
+              $mime_type));
+          }
+        }
+      }
+    }
+
+    return $errors;
+  }
+
+}

src/applications/project/xaction/PhabricatorProjectNameTransaction.php

@@ -0,0 +1,112 @@
+<?php
+
+final class PhabricatorProjectNameTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:name';
+
+  public function generateOldValue($object) {
+    return $object->getName();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setName($value);
+    if (!$this->getEditor()->getIsMilestone()) {
+      $object->setPrimarySlug(PhabricatorSlug::normalizeProjectSlug($value));
+    }
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $old = $this->getOldValue();
+
+    // First, add the old name as a secondary slug; this is helpful
+    // for renames and generally a good thing to do.
+    if (!$this->getEditor()->getIsMilestone()) {
+      if ($old !== null) {
+        $this->getEditor()->addSlug($object, $old, false);
+      }
+      $this->getEditor()->addSlug($object, $value, false);
+    }
+    return;
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    if ($old === null) {
+      return pht(
+        '%s created this project.',
+        $this->renderAuthor());
+    } else {
+      return pht(
+        '%s renamed this project from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderOldValue(),
+        $this->renderNewValue());
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    if ($old === null) {
+      return pht(
+        '%s created %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    } else {
+      return pht(
+        '%s renamed %s from %s to %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        $this->renderOldValue(),
+        $this->renderNewValue());
+    }
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    if ($this->isEmptyTextTransaction($object->getName(), $xactions)) {
+      $errors[] = $this->newRequiredError(pht('Projects must have a name.'));
+    }
+
+    $max_length = $object->getColumnMaximumByteLength('name');
+    foreach ($xactions as $xaction) {
+      $new_value = $xaction->getNewValue();
+      $new_length = strlen($new_value);
+      if ($new_length > $max_length) {
+        $errors[] = $this->newInvalidError(
+          pht(
+            'Project names must not be longer than %s character(s).',
+            new PhutilNumber($max_length)));
+      }
+    }
+
+    if ($this->getEditor()->getIsMilestone() || !$xactions) {
+      return $errors;
+    }
+
+    $name = last($xactions)->getNewValue();
+
+    if (!PhabricatorSlug::isValidProjectSlug($name)) {
+      $errors[] = $this->newInvalidError(
+        pht('Project names must contain at least one letter or number.'));
+    }
+
+    $slug = PhabricatorSlug::normalizeProjectSlug($name);
+
+    $slug_used_already = id(new PhabricatorProjectSlug())
+      ->loadOneWhere('slug = %s', $slug);
+    if ($slug_used_already &&
+        $slug_used_already->getProjectPHID() != $object->getPHID()) {
+
+      $errors[] = $this->newInvalidError(
+        pht(
+          'Project name generates the same hashtag ("%s") as another '.
+          'existing project. Choose a unique name.',
+          '#'.$slug));
+    }
+
+    return $errors;
+  }
+
+}

src/applications/project/xaction/PhabricatorProjectSlugsTransaction.php

@@ -0,0 +1,174 @@
+<?php
+
+final class PhabricatorProjectSlugsTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:slugs';
+
+  public function generateOldValue($object) {
+    $slugs = $object->getSlugs();
+    $slugs = mpull($slugs, 'getSlug', 'getSlug');
+    unset($slugs[$object->getPrimarySlug()]);
+    return array_keys($slugs);
+  }
+
+  public function generateNewValue($object, $value) {
+    return $this->getEditor()->normalizeSlugs($value);
+  }
+
+  public function applyInternalEffects($object, $value) {
+    return;
+  }
+
+  public function applyExternalEffects($object, $value) {
+   $old = $this->getOldValue();
+   $new = $value;
+   $add = array_diff($new, $old);
+   $rem = array_diff($old, $new);
+
+   foreach ($add as $slug) {
+     $this->getEditor()->addSlug($object, $slug, true);
+   }
+
+   $this->getEditor()->removeSlugs($object, $rem);
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $add = array_diff($new, $old);
+    $rem = array_diff($old, $new);
+
+    $add = $this->renderHashtags($add);
+    $rem = $this->renderHashtags($rem);
+
+    if ($add && $rem) {
+      return pht(
+        '%s changed project hashtag(s), added %d: %s; removed %d: %s.',
+        $this->renderAuthor(),
+        count($add),
+        $this->renderValueList($add),
+        count($rem),
+        $this->renderValueList($rem));
+    } else if ($add) {
+      return pht(
+        '%s added %d project hashtag(s): %s.',
+        $this->renderAuthor(),
+        count($add),
+        $this->renderValueList($add));
+    } else if ($rem) {
+        return pht(
+          '%s removed %d project hashtag(s): %s.',
+          $this->renderAuthor(),
+          count($rem),
+          $this->renderValueList($rem));
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+
+    $add = array_diff($new, $old);
+    $rem = array_diff($old, $new);
+
+    $add = $this->renderHashtags($add);
+    $rem = $this->renderHashtags($rem);
+
+    if ($add && $rem) {
+      return pht(
+        '%s changed %s hashtag(s), added %d: %s; removed %d: %s.',
+        $this->renderAuthor(),
+        $this->renderObject(),
+        count($add),
+        $this->renderValueList($add),
+        count($rem),
+        $this->renderValueList($rem));
+    } else if ($add) {
+      return pht(
+        '%s added %d %s hashtag(s): %s.',
+        $this->renderAuthor(),
+        count($add),
+        $this->renderObject(),
+        $this->renderValueList($add));
+    } else if ($rem) {
+      return pht(
+        '%s removed %d %s hashtag(s): %s.',
+        $this->renderAuthor(),
+        count($rem),
+        $this->renderObject(),
+        $this->renderValueList($rem));
+    }
+  }
+
+  public function getIcon() {
+    return 'fa-tag';
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    if (!$xactions) {
+      return $errors;
+    }
+
+    $slug_xaction = last($xactions);
+
+    $new = $slug_xaction->getNewValue();
+
+    $invalid = array();
+    foreach ($new as $slug) {
+      if (!PhabricatorSlug::isValidProjectSlug($slug)) {
+        $invalid[] = $slug;
+      }
+    }
+
+    if ($invalid) {
+      $errors[] = $this->newInvalidError(
+        pht(
+          'Hashtags must contain at least one letter or number. %s '.
+          'project hashtag(s) are invalid: %s.',
+          phutil_count($invalid),
+          implode(', ', $invalid)));
+
+      return $errors;
+    }
+
+    $new = $this->getEditor()->normalizeSlugs($new);
+
+    if ($new) {
+      $slugs_used_already = id(new PhabricatorProjectSlug())
+        ->loadAllWhere('slug IN (%Ls)', $new);
+    } else {
+      // The project doesn't have any extra slugs.
+      $slugs_used_already = array();
+    }
+
+    $slugs_used_already = mgroup($slugs_used_already, 'getProjectPHID');
+    foreach ($slugs_used_already as $project_phid => $used_slugs) {
+      if ($project_phid == $object->getPHID()) {
+        continue;
+      }
+
+      $used_slug_strs = mpull($used_slugs, 'getSlug');
+
+      $errors[] = $this->newInvalidError(
+        pht(
+          '%s project hashtag(s) are already used by other projects: %s.',
+          phutil_count($used_slug_strs),
+          implode(', ', $used_slug_strs)));
+    }
+
+    return $errors;
+  }
+
+  private function renderHashtags(array $tags) {
+    $result = array();
+    foreach ($tags as $tag) {
+      $result[] = '#'.$tag;
+    }
+    return $result;
+  }
+
+}

src/applications/project/xaction/PhabricatorProjectStatusTransaction.php

@@ -0,0 +1,66 @@
+<?php
+
+final class PhabricatorProjectStatusTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:status';
+
+  public function generateOldValue($object) {
+    return $object->getStatus();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setStatus($value);
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+
+    if ($old == 0) {
+      return pht(
+        '%s archived this project.',
+        $this->renderAuthor());
+    } else {
+      return pht(
+        '%s activated this project.',
+        $this->renderAuthor());
+    }
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getOldValue();
+
+    if ($old == 0) {
+      return pht(
+        '%s archived %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    } else {
+      return pht(
+        '%s activated %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    }
+  }
+
+  public function getColor() {
+    $old = $this->getOldValue();
+
+    if ($old == 0) {
+      return 'red';
+    } else {
+      return 'green';
+    }
+  }
+
+  public function getIcon() {
+    $old = $this->getOldValue();
+
+    if ($old == 0) {
+      return 'fa-ban';
+    } else {
+      return 'fa-check';
+    }
+  }
+
+}

src/applications/project/xaction/PhabricatorProjectTransactionType.php

@@ -0,0 +1,4 @@
+<?php
+
+abstract class PhabricatorProjectTransactionType
+  extends PhabricatorModularTransactionType {}