Hide curtainview on mobile if it's empty

Summary: If we don't have any panels, just an action list, we want to hide the entire box on mobile since it's just an empty line.

Test Plan: Review Owners, Differential curtains on mobile, desktop.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D18350

resources/celerity/map.php

@@ -9,7 +9,7 @@ return array(
   'names' => array(
     'conpherence.pkg.css' => 'e68cf1fa',
     'conpherence.pkg.js' => 'b5b51108',
-    'core.pkg.css' => 'cc0772c6',
+    'core.pkg.css' => '04da74af',
     'core.pkg.js' => '5d80e0db',
     'darkconsole.pkg.js' => '1f9a31bc',
     'differential.pkg.css' => '45951e9e',
@@ -149,7 +149,7 @@ return array(
     'rsrc/css/phui/phui-comment-form.css' => 'ac68149f',
     'rsrc/css/phui/phui-comment-panel.css' => 'f50152ad',
     'rsrc/css/phui/phui-crumbs-view.css' => '6ece3bbb',
-    'rsrc/css/phui/phui-curtain-view.css' => '55dd0e59',
+    'rsrc/css/phui/phui-curtain-view.css' => 'ca363f15',
     'rsrc/css/phui/phui-document-pro.css' => '8af7ea27',
     'rsrc/css/phui/phui-document-summary.css' => '9ca48bdf',
     'rsrc/css/phui/phui-document.css' => 'c32e8dec',
@@ -835,7 +835,7 @@ return array(
     'phui-comment-form-css' => 'ac68149f',
     'phui-comment-panel-css' => 'f50152ad',
     'phui-crumbs-view-css' => '6ece3bbb',
-    'phui-curtain-view-css' => '55dd0e59',
+    'phui-curtain-view-css' => 'ca363f15',
     'phui-document-summary-view-css' => '9ca48bdf',
     'phui-document-view-css' => 'c32e8dec',
     'phui-document-view-pro-css' => '8af7ea27',

src/view/layout/PHUICurtainView.php

@@ -46,10 +46,17 @@ final class PHUICurtainView extends AphrontTagView {
 
     $panels = $this->renderPanels();
 
-    return id(new PHUIObjectBoxView())
+    $box = id(new PHUIObjectBoxView())
       ->appendChild($action_list)
       ->appendChild($panels)
       ->addClass('phui-two-column-properties');
+
+    // We want to hide this UI on mobile if there are no child panels
+    if (!$panels) {
+      $box->addClass('curtain-no-panels');
+    }
+
+    return $box;
   }
 
   private function renderPanels() {

webroot/rsrc/css/phui/phui-curtain-view.css

@@ -46,3 +46,7 @@
 .phui-side-column .phui-curtain-panel-body .phui-tag-view {
   white-space: pre-wrap;
 }
+
+.device .curtain-no-panels {
+  display: none;
+}