Global upload - fix for Firefox

Summary: Fixes T5188; see task for discussion.

Test Plan: made error condition occur with Firefox and was able to dismiss it by clicking 2x - once to focus window and then once to actually click in the window. Did this multiple times in a row with no errors.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T5188

Differential Revision: https://secure.phabricator.com/D10102

resources/celerity/map.php

@@ -7,11 +7,11 @@
  */
 return array(
   'names' => array(
-    'core.pkg.css' => 'cd8c18d3',
+    'core.pkg.css' => '66ada2ec',
     'core.pkg.js' => 'c3965034',
     'darkconsole.pkg.js' => 'df001cab',
     'differential.pkg.css' => '4a93db37',
-    'differential.pkg.js' => '7528cfc9',
+    'differential.pkg.js' => '79503aa4',
     'diffusion.pkg.css' => '591664fa',
     'diffusion.pkg.js' => 'bfc0737b',
     'maniphest.pkg.css' => 'f5d89daf',
@@ -105,7 +105,7 @@ return array(
     'rsrc/css/application/uiexample/example.css' => '528b19de',
     'rsrc/css/core/core.css' => '40151074',
     'rsrc/css/core/remarkup.css' => '7fd5585f',
-    'rsrc/css/core/syntax.css' => '3c18c1cb',
+    'rsrc/css/core/syntax.css' => '863f3cd8',
     'rsrc/css/core/z-index.css' => 'd1c137f2',
     'rsrc/css/diviner/diviner-shared.css' => '38813222',
     'rsrc/css/font/font-awesome.css' => '73d075c3',
@@ -440,7 +440,7 @@ return array(
     'rsrc/js/application/uiexample/gesture-example.js' => '558829c2',
     'rsrc/js/application/uiexample/notification-example.js' => '7a9677fc',
     'rsrc/js/core/Busy.js' => '6453c869',
-    'rsrc/js/core/DragAndDropFileUpload.js' => '1d8ad5c3',
+    'rsrc/js/core/DragAndDropFileUpload.js' => 'a575f592',
     'rsrc/js/core/DraggableList.js' => '2cad29d1',
     'rsrc/js/core/FileUpload.js' => 'a4ae61bf',
     'rsrc/js/core/Hovercard.js' => '7e8468ae',
@@ -715,7 +715,7 @@ return array(
     'phabricator-countdown-css' => '86b7b0a0',
     'phabricator-crumbs-view-css' => '7fbf25b8',
     'phabricator-dashboard-css' => 'a2bfdcbf',
-    'phabricator-drag-and-drop-file-upload' => '1d8ad5c3',
+    'phabricator-drag-and-drop-file-upload' => 'a575f592',
     'phabricator-draggable-list' => '2cad29d1',
     'phabricator-fatal-config-template-css' => '25d446d6',
     'phabricator-feed-css' => '4e544db4',
@@ -827,7 +827,7 @@ return array(
     'sprite-payments-css' => 'cc085d44',
     'sprite-projects-css' => '7578fa56',
     'sprite-tokens-css' => '1706b943',
-    'syntax-highlighting-css' => '3c18c1cb',
+    'syntax-highlighting-css' => '863f3cd8',
     'tokens-css' => '3d0f239e',
   ),
   'requires' => array(
@@ -959,14 +959,6 @@ return array(
       'javelin-util',
       'phabricator-keyboard-shortcut-manager',
     ),
-    '1d8ad5c3' => array(
-      'javelin-install',
-      'javelin-util',
-      'javelin-request',
-      'javelin-dom',
-      'javelin-uri',
-      'phabricator-file-upload',
-    ),
     '1def2711' => array(
       'javelin-install',
       'javelin-dom',
@@ -1498,6 +1490,14 @@ return array(
       'javelin-stratcom',
       'javelin-vector',
     ),
+    'a575f592' => array(
+      'javelin-install',
+      'javelin-util',
+      'javelin-request',
+      'javelin-dom',
+      'javelin-uri',
+      'phabricator-file-upload',
+    ),
     'a5b67173' => array(
       'javelin-dom',
       'javelin-util',

webroot/rsrc/js/core/DragAndDropFileUpload.js

@@ -66,6 +66,20 @@ JX.install('PhabricatorDragAndDropFileUpload', {
         return false;
       }
 
+      // Firefox has some issues sometimes; implement this click handler so
+      // the user can recover. See T5188.
+      JX.DOM.listen(
+        this._node,
+        'click',
+        null,
+        JX.bind(this, function (e) {
+          if (this._depth) {
+            e.kill();
+            // Force depth to 0.
+            this._updateDepth(-this._depth);
+          }
+        }));
+
       // We track depth so that the _node may have children inside of it and
       // not become unselected when they are dragged over.
       JX.DOM.listen(