Bug 1015494 - allow disabling panel animations during tests, r=mconley

--HG--
extra : rebase_source : 3dbdf0da5fbce6e432f5a38ae700957445f4a913

browser/components/customizableui/content/panelUI.js

@@ -328,6 +328,9 @@ const PanelUI = {
       tempPanel.setAttribute("type", "arrow");
       tempPanel.setAttribute("id", "customizationui-widget-panel");
       tempPanel.setAttribute("class", "cui-widget-panel");
+      if (this._disableAnimations) {
+        tempPanel.setAttribute("animate", "false");
+      }
       tempPanel.setAttribute("context", "");
       document.getElementById(CustomizableUI.AREA_NAVBAR).appendChild(tempPanel);
       // If the view has a footer, set a convenience class on the panel.
@@ -363,6 +366,19 @@ const PanelUI = {
     }
   },
 
+  /**
+   * NB: The enable- and disableSingleSubviewPanelAnimations methods only
+   * affect the hiding/showing animations of single-subview panels (tempPanel
+   * in the showSubView method).
+   */
+  disableSingleSubviewPanelAnimations: function() {
+    this._disableAnimations = true;
+  },
+
+  enableSingleSubviewPanelAnimations: function() {
+    this._disableAnimations = false;
+  },
+
   onWidgetAfterDOMChange: function(aNode, aNextNode, aContainer, aWasRemoval) {
     if (aContainer != this.contents) {
       return;

browser/components/customizableui/test/browser_988072_sidebar_events.js

@@ -41,6 +41,16 @@ function createSidebarItem() {
   gSidebarMenu.insertBefore(gTestSidebarItem, gSidebarMenu.firstChild);
 }
 
+function addWidget() {
+  CustomizableUI.addWidgetToArea("sidebar-button", "nav-bar");
+  PanelUI.disableSingleSubviewPanelAnimations();
+}
+
+function removeWidget() {
+  CustomizableUI.removeWidgetFromArea("sidebar-button");
+  PanelUI.enableSingleSubviewPanelAnimations();
+}
+
 // Filters out the trailing menuseparators from the sidebar list
 function getSidebarList() {
   let sidebars = [...gSidebarMenu.children];
@@ -76,7 +86,7 @@ let showSidebarPopup = Task.async(function*() {
 
 // Check the sidebar widget shows the default items
 add_task(function*() {
-  CustomizableUI.addWidgetToArea("sidebar-button", "nav-bar");
+  addWidget();
 
   yield showSidebarPopup();
 
@@ -89,13 +99,14 @@ add_task(function*() {
   document.getElementById("customizationui-widget-panel").hidePopup();
   yield subviewHiddenPromise;
 
-  return resetCustomization();
+  removeWidget();
 });
 
 function add_sidebar_task(description, setup, teardown) {
   add_task(function*() {
     info(description);
     createSidebarItem();
+    addWidget();
     yield setup();
 
     CustomizableUI.addWidgetToArea("sidebar-button", "nav-bar");
@@ -114,7 +125,7 @@ function add_sidebar_task(description, setup, teardown) {
 
     yield teardown();
     gTestSidebarItem.remove();
-    return resetCustomization();
+    removeWidget();
   });
 }