diff -r 000000000000 -r 6474c204b198 browser/components/customizableui/test/head.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/customizableui/test/head.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,504 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Avoid leaks by using tmp for imports...
+let tmp = {};
+Cu.import("resource://gre/modules/Promise.jsm", tmp);
+Cu.import("resource:///modules/CustomizableUI.jsm", tmp);
+let {Promise, CustomizableUI} = tmp;
+
+let ChromeUtils = {};
+Services.scriptloader.loadSubScript("chrome://mochikit/content/tests/SimpleTest/ChromeUtils.js", ChromeUtils);
+
+Services.prefs.setBoolPref("browser.uiCustomization.skipSourceNodeCheck", true);
+registerCleanupFunction(() => Services.prefs.clearUserPref("browser.uiCustomization.skipSourceNodeCheck"));
+
+let {synthesizeDragStart, synthesizeDrop} = ChromeUtils;
+
+const kNSXUL = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+const kTabEventFailureTimeoutInMs = 20000;
+
+function createDummyXULButton(id, label) {
+  let btn = document.createElementNS(kNSXUL, "toolbarbutton");
+  btn.id = id;
+  btn.setAttribute("label", label || id);
+  btn.className = "toolbarbutton-1 chromeclass-toolbar-additional";
+  window.gNavToolbox.palette.appendChild(btn);
+  return btn;
+}
+
+let gAddedToolbars = new Set();
+
+function createToolbarWithPlacements(id, placements = []) {
+  gAddedToolbars.add(id);
+  let tb = document.createElementNS(kNSXUL, "toolbar");
+  tb.id = id;
+  tb.setAttribute("customizable", "true");
+  CustomizableUI.registerArea(id, {
+    type: CustomizableUI.TYPE_TOOLBAR,
+    defaultPlacements: placements
+  });
+  gNavToolbox.appendChild(tb);
+  return tb;
+}
+
+function createOverflowableToolbarWithPlacements(id, placements) {
+  gAddedToolbars.add(id);
+
+  let tb = document.createElementNS(kNSXUL, "toolbar");
+  tb.id = id;
+  tb.setAttribute("customizationtarget", id + "-target");
+
+  let customizationtarget = document.createElementNS(kNSXUL, "hbox");
+  customizationtarget.id = id + "-target";
+  customizationtarget.setAttribute("flex", "1");
+  tb.appendChild(customizationtarget);
+
+  let overflowPanel = document.createElementNS(kNSXUL, "panel");
+  overflowPanel.id = id + "-overflow";
+  document.getElementById("mainPopupSet").appendChild(overflowPanel);
+
+  let overflowList = document.createElementNS(kNSXUL, "vbox");
+  overflowList.id = id + "-overflow-list";
+  overflowPanel.appendChild(overflowList);
+
+  let chevron = document.createElementNS(kNSXUL, "toolbarbutton");
+  chevron.id = id + "-chevron";
+  tb.appendChild(chevron);
+
+  CustomizableUI.registerArea(id, {
+    type: CustomizableUI.TYPE_TOOLBAR,
+    defaultPlacements: placements,
+    overflowable: true,
+  });
+
+  tb.setAttribute("customizable", "true");
+  tb.setAttribute("overflowable", "true");
+  tb.setAttribute("overflowpanel", overflowPanel.id);
+  tb.setAttribute("overflowtarget", overflowList.id);
+  tb.setAttribute("overflowbutton", chevron.id);
+
+  gNavToolbox.appendChild(tb);
+  return tb;
+}
+
+function removeCustomToolbars() {
+  CustomizableUI.reset();
+  for (let toolbarId of gAddedToolbars) {
+    CustomizableUI.unregisterArea(toolbarId, true);
+    let tb = document.getElementById(toolbarId);
+    if (tb.hasAttribute("overflowpanel")) {
+      let panel = document.getElementById(tb.getAttribute("overflowpanel"));
+      if (panel)
+        panel.remove();
+    }
+    tb.remove();
+  }
+  gAddedToolbars.clear();
+}
+
+function getToolboxCustomToolbarId(toolbarName) {
+  return "__customToolbar_" + toolbarName.replace(" ", "_");
+}
+
+function resetCustomization() {
+  return CustomizableUI.reset();
+}
+
+function isInWin8() {
+  if (!Services.metro)
+    return false;
+  return Services.metro.supported;
+}
+
+function addSwitchToMetroButtonInWindows8(areaPanelPlacements) {
+  if (isInWin8()) {
+    areaPanelPlacements.push("switch-to-metro-button");
+  }
+}
+
+function assertAreaPlacements(areaId, expectedPlacements) {
+  let actualPlacements = getAreaWidgetIds(areaId);
+  placementArraysEqual(areaId, actualPlacements, expectedPlacements);
+}
+
+function placementArraysEqual(areaId, actualPlacements, expectedPlacements) {
+  is(actualPlacements.length, expectedPlacements.length,
+     "Area " + areaId + " should have " + expectedPlacements.length + " items.");
+  let minItems = Math.min(expectedPlacements.length, actualPlacements.length);
+  for (let i = 0; i < minItems; i++) {
+    if (typeof expectedPlacements[i] == "string") {
+      is(actualPlacements[i], expectedPlacements[i],
+         "Item " + i + " in " + areaId + " should match expectations.");
+    } else if (expectedPlacements[i] instanceof RegExp) {
+      ok(expectedPlacements[i].test(actualPlacements[i]),
+         "Item " + i + " (" + actualPlacements[i] + ") in " +
+         areaId + " should match " + expectedPlacements[i]); 
+    } else {
+      ok(false, "Unknown type of expected placement passed to " +
+                " assertAreaPlacements. Is your test broken?");
+    }
+  }
+}
+
+function todoAssertAreaPlacements(areaId, expectedPlacements) {
+  let actualPlacements = getAreaWidgetIds(areaId);
+  let isPassing = actualPlacements.length == expectedPlacements.length;
+  let minItems = Math.min(expectedPlacements.length, actualPlacements.length);
+  for (let i = 0; i < minItems; i++) {
+    if (typeof expectedPlacements[i] == "string") {
+      isPassing = isPassing && actualPlacements[i] == expectedPlacements[i];
+    } else if (expectedPlacements[i] instanceof RegExp) {
+      isPassing = isPassing && expectedPlacements[i].test(actualPlacements[i]);
+    } else {
+      ok(false, "Unknown type of expected placement passed to " +
+                " assertAreaPlacements. Is your test broken?");
+    }
+  }
+  todo(isPassing, "The area placements for " + areaId +
+                  " should equal the expected placements.");
+}
+
+function getAreaWidgetIds(areaId) {
+  return CustomizableUI.getWidgetIdsInArea(areaId);
+}
+
+function simulateItemDrag(toDrag, target) {
+  let docId = toDrag.ownerDocument.documentElement.id;
+  let dragData = [[{type: 'text/toolbarwrapper-id/' + docId,
+                    data: toDrag.id}]];
+  synthesizeDragStart(toDrag.parentNode, dragData);
+  synthesizeDrop(target, target, dragData);
+}
+
+function endCustomizing(aWindow=window) {
+  if (aWindow.document.documentElement.getAttribute("customizing") != "true") {
+    return true;
+  }
+  Services.prefs.setBoolPref("browser.uiCustomization.disableAnimation", true);
+  let deferredEndCustomizing = Promise.defer();
+  function onCustomizationEnds() {
+    Services.prefs.setBoolPref("browser.uiCustomization.disableAnimation", false);
+    aWindow.gNavToolbox.removeEventListener("aftercustomization", onCustomizationEnds);
+    deferredEndCustomizing.resolve();
+  }
+  aWindow.gNavToolbox.addEventListener("aftercustomization", onCustomizationEnds);
+  aWindow.gCustomizeMode.exit();
+
+  return deferredEndCustomizing.promise.then(function() {
+    let deferredLoadNewTab = Promise.defer();
+
+    //XXXgijs so some tests depend on this tab being about:blank. Make it so.
+    let newTabBrowser = aWindow.gBrowser.selectedBrowser;
+    newTabBrowser.stop();
+
+    // If we stop early enough, this might actually be about:blank.
+    if (newTabBrowser.contentDocument.location.href == "about:blank") {
+      return;
+    }
+
+    // Otherwise, make it be about:blank, and wait for that to be done.
+    function onNewTabLoaded(e) {
+      newTabBrowser.removeEventListener("load", onNewTabLoaded, true);
+      deferredLoadNewTab.resolve();
+    }
+    newTabBrowser.addEventListener("load", onNewTabLoaded, true);
+    newTabBrowser.contentDocument.location.replace("about:blank");
+    return deferredLoadNewTab.promise;
+  });
+}
+
+function startCustomizing(aWindow=window) {
+  if (aWindow.document.documentElement.getAttribute("customizing") == "true") {
+    return;
+  }
+  Services.prefs.setBoolPref("browser.uiCustomization.disableAnimation", true);
+  let deferred = Promise.defer();
+  function onCustomizing() {
+    aWindow.gNavToolbox.removeEventListener("customizationready", onCustomizing);
+    Services.prefs.setBoolPref("browser.uiCustomization.disableAnimation", false);
+    deferred.resolve();
+  }
+  aWindow.gNavToolbox.addEventListener("customizationready", onCustomizing);
+  aWindow.gCustomizeMode.enter();
+  return deferred.promise;
+}
+
+function openAndLoadWindow(aOptions, aWaitForDelayedStartup=false) {
+  let deferred = Promise.defer();
+  let win = OpenBrowserWindow(aOptions);
+  if (aWaitForDelayedStartup) {
+    Services.obs.addObserver(function onDS(aSubject, aTopic, aData) {
+      if (aSubject != win) {
+        return;
+      }
+      Services.obs.removeObserver(onDS, "browser-delayed-startup-finished");
+      deferred.resolve(win);
+    }, "browser-delayed-startup-finished", false);
+
+  } else {
+    win.addEventListener("load", function onLoad() {
+      win.removeEventListener("load", onLoad);
+      deferred.resolve(win);
+    });
+  }
+  return deferred.promise;
+}
+
+function promiseWindowClosed(win) {
+  let deferred = Promise.defer();
+  win.addEventListener("unload", function onunload() {
+    win.removeEventListener("unload", onunload);
+    deferred.resolve();
+  });
+  win.close();
+  return deferred.promise;
+}
+
+function promisePanelShown(win) {
+  let panelEl = win.PanelUI.panel;
+  return promisePanelElementShown(win, panelEl);
+}
+
+function promiseOverflowShown(win) {
+  let panelEl = win.document.getElementById("widget-overflow");
+  return promisePanelElementShown(win, panelEl);
+}
+
+function promisePanelElementShown(win, aPanel) {
+  let deferred = Promise.defer();
+  let timeoutId = win.setTimeout(() => {
+    deferred.reject("Panel did not show within 20 seconds.");
+  }, 20000);
+  function onPanelOpen(e) {
+    aPanel.removeEventListener("popupshown", onPanelOpen);
+    win.clearTimeout(timeoutId);
+    deferred.resolve();
+  };
+  aPanel.addEventListener("popupshown", onPanelOpen);
+  return deferred.promise;
+}
+
+function promisePanelHidden(win) {
+  let panelEl = win.PanelUI.panel;
+  return promisePanelElementHidden(win, panelEl);
+}
+
+function promiseOverflowHidden(win) {
+  let panelEl = document.getElementById("widget-overflow");
+  return promisePanelElementHidden(win, panelEl);
+}
+
+function promisePanelElementHidden(win, aPanel) {
+  let deferred = Promise.defer();
+  let timeoutId = win.setTimeout(() => {
+    deferred.reject("Panel did not hide within 20 seconds.");
+  }, 20000);
+  function onPanelClose(e) {
+    aPanel.removeEventListener("popuphidden", onPanelClose);
+    win.clearTimeout(timeoutId);
+    deferred.resolve();
+  }
+  aPanel.addEventListener("popuphidden", onPanelClose);
+  return deferred.promise;
+}
+
+function isPanelUIOpen() {
+  return PanelUI.panel.state == "open" || PanelUI.panel.state == "showing";
+}
+
+function subviewShown(aSubview) {
+  let deferred = Promise.defer();
+  let win = aSubview.ownerDocument.defaultView;
+  let timeoutId = win.setTimeout(() => {
+    deferred.reject("Subview (" + aSubview.id + ") did not show within 20 seconds.");
+  }, 20000);
+  function onViewShowing(e) {
+    aSubview.removeEventListener("ViewShowing", onViewShowing);
+    win.clearTimeout(timeoutId);
+    deferred.resolve();
+  };
+  aSubview.addEventListener("ViewShowing", onViewShowing);
+  return deferred.promise;
+}
+
+function subviewHidden(aSubview) {
+  let deferred = Promise.defer();
+  let win = aSubview.ownerDocument.defaultView;
+  let timeoutId = win.setTimeout(() => {
+    deferred.reject("Subview (" + aSubview.id + ") did not hide within 20 seconds.");
+  }, 20000);
+  function onViewHiding(e) {
+    aSubview.removeEventListener("ViewHiding", onViewHiding);
+    win.clearTimeout(timeoutId);
+    deferred.resolve();
+  };
+  aSubview.addEventListener("ViewHiding", onViewHiding);
+  return deferred.promise;
+}
+
+function waitForCondition(aConditionFn, aMaxTries=50, aCheckInterval=100) {
+  function tryNow() {
+    tries++;
+    if (aConditionFn()) {
+      deferred.resolve();
+    } else if (tries < aMaxTries) {
+      tryAgain();
+    } else {
+      deferred.reject("Condition timed out: " + aConditionFn.toSource());
+    }
+  }
+  function tryAgain() {
+    setTimeout(tryNow, aCheckInterval);
+  }
+  let deferred = Promise.defer();
+  let tries = 0;
+  tryAgain();
+  return deferred.promise;
+}
+
+function waitFor(aTimeout=100) {
+  let deferred = Promise.defer();
+  setTimeout(function() deferred.resolve(), aTimeout);
+  return deferred.promise;
+}
+
+/**
+ * Starts a load in an existing tab and waits for it to finish (via some event).
+ *
+ * @param aTab       The tab to load into.
+ * @param aUrl       The url to load.
+ * @param aEventType The load event type to wait for.  Defaults to "load".
+ * @return {Promise} resolved when the event is handled.
+ */
+function promiseTabLoadEvent(aTab, aURL, aEventType="load") {
+  let deferred = Promise.defer();
+  info("Wait for tab event: " + aEventType);
+
+  let timeoutId = setTimeout(() => {
+    aTab.linkedBrowser.removeEventListener(aEventType, onTabLoad, true);
+    deferred.reject("TabSelect did not happen within " + kTabEventFailureTimeoutInMs + "ms");
+  }, kTabEventFailureTimeoutInMs);
+
+  function onTabLoad(event) {
+    if (event.originalTarget != aTab.linkedBrowser.contentDocument ||
+        event.target.location.href == "about:blank") {
+      info("skipping spurious load event");
+      return;
+    }
+    clearTimeout(timeoutId);
+    aTab.linkedBrowser.removeEventListener(aEventType, onTabLoad, true);
+    info("Tab event received: " + aEventType);
+    deferred.resolve();
+  }
+  aTab.linkedBrowser.addEventListener(aEventType, onTabLoad, true, true);
+  aTab.linkedBrowser.loadURI(aURL);
+  return deferred.promise;
+}
+
+/**
+ * Navigate back or forward in tab history and wait for it to finish.
+ *
+ * @param aDirection   Number to indicate to move backward or forward in history.
+ * @param aConditionFn Function that returns the result of an evaluated condition
+ *                     that needs to be `true` to resolve the promise.
+ * @return {Promise} resolved when navigation has finished.
+ */
+function promiseTabHistoryNavigation(aDirection = -1, aConditionFn) {
+  let deferred = Promise.defer();
+
+  let timeoutId = setTimeout(() => {
+    gBrowser.removeEventListener("pageshow", listener, true);
+    deferred.reject("Pageshow did not happen within " + kTabEventFailureTimeoutInMs + "ms");
+  }, kTabEventFailureTimeoutInMs);
+
+  function listener(event) {
+    gBrowser.removeEventListener("pageshow", listener, true);
+    clearTimeout(timeoutId);
+
+    if (aConditionFn) {
+      waitForCondition(aConditionFn).then(() => deferred.resolve(),
+                                          aReason => deferred.reject(aReason));
+    } else {
+      deferred.resolve();
+    }
+  }
+  gBrowser.addEventListener("pageshow", listener, true);
+
+  content.history.go(aDirection);
+
+  return deferred.promise;
+}
+
+function popupShown(aPopup) {
+  return promisePopupEvent(aPopup, "shown");
+}
+
+function popupHidden(aPopup) {
+  return promisePopupEvent(aPopup, "hidden");
+}
+
+/**
+ * Returns a Promise that resolves when aPopup fires an event of type
+ * aEventType. Times out and rejects after 20 seconds.
+ *
+ * @param aPopup the popup to monitor for events.
+ * @param aEventSuffix the _suffix_ for the popup event type to watch for.
+ *
+ * Example usage:
+ *   let popupShownPromise = promisePopupEvent(somePopup, "shown");
+ *   // ... something that opens a popup
+ *   yield popupShownPromise;
+ *
+ *  let popupHiddenPromise = promisePopupEvent(somePopup, "hidden");
+ *  // ... something that hides a popup
+ *  yield popupHiddenPromise;
+ */
+function promisePopupEvent(aPopup, aEventSuffix) {
+  let deferred = Promise.defer();
+  let win = aPopup.ownerDocument.defaultView;
+  let eventType = "popup" + aEventSuffix;
+
+  let timeoutId = win.setTimeout(() => {
+    deferred.reject("Context menu (" + aPopup.id + ") did not fire "
+                    + eventType + " within 20 seconds.");
+  }, 20000);
+
+  function onPopupEvent(e) {
+    win.clearTimeout(timeoutId);
+    aPopup.removeEventListener(eventType, onPopupEvent);
+    deferred.resolve();
+  };
+
+  aPopup.addEventListener(eventType, onPopupEvent);
+  return deferred.promise;
+}
+
+// This is a simpler version of the context menu check that
+// exists in contextmenu_common.js.
+function checkContextMenu(aContextMenu, aExpectedEntries, aWindow=window) {
+  let childNodes = aContextMenu.childNodes;
+  for (let i = 0; i < childNodes.length; i++) {
+    let menuitem = childNodes[i];
+    try {
+      if (aExpectedEntries[i][0] == "---") {
+        is(menuitem.localName, "menuseparator", "menuseparator expected");
+        continue;
+      }
+
+      let selector = aExpectedEntries[i][0];
+      ok(menuitem.mozMatchesSelector(selector), "menuitem should match " + selector + " selector");
+      let commandValue = menuitem.getAttribute("command");
+      let relatedCommand = commandValue ? aWindow.document.getElementById(commandValue) : null;
+      let menuItemDisabled = relatedCommand ?
+                               relatedCommand.getAttribute("disabled") == "true" :
+                               menuitem.getAttribute("disabled") == "true";
+      is(menuItemDisabled, !aExpectedEntries[i][1], "disabled state for " + selector);
+    } catch (e) {
+      ok(false, "Exception when checking context menu: " + e);
+    }
+  }
+}