Backed out 3 changesets (bug 1364896) for causing bug 1376466.

Backed out changeset 5c870a786e94 (bug 1364896)
Backed out changeset 134d9ee1e545 (bug 1364896)
Backed out changeset 8f52f28a9eaa (bug 1364896)

browser/base/content/browser.js

@@ -1634,10 +1634,6 @@ var gBrowserInit = {
     FullScreen.init();
     PointerLock.init();
 
-    if (AppConstants.isPlatformAndVersionAtLeast("win", "10")) {
-      ContextMenuTouchModeObserver.init();
-    }
-
     // initialize the sync UI
     gSync.init();
 
@@ -1847,9 +1843,6 @@ var gBrowserInit = {
         this.gmpInstallManager.uninit();
       }
 
-      if (AppConstants.isPlatformAndVersionAtLeast("win", "10")) {
-        ContextMenuTouchModeObserver.uninit();
-      }
       BrowserOffline.uninit();
       IndexedDBPromptHelper.uninit();
       PanelUI.uninit();
@@ -8226,77 +8219,6 @@ function restoreLastSession() {
   SessionStore.restoreLastSession();
 }
 
-/* Observes context menus and adjusts their size for better
- * usability when opened via a touch screen. */
-var ContextMenuTouchModeObserver = {
-  get _searchBarContextMenu() {
-    let searchbar = document.getElementById("searchbar");
-    let textBox = document.getAnonymousElementByAttribute(searchbar,
-                                        "anonid", "searchbar-textbox");
-    let inputBox = document.getAnonymousElementByAttribute(textBox,
-                                        "anonid", "textbox-input-box");
-    let menu = document.getAnonymousElementByAttribute(inputBox,
-                                        "anonid", "input-box-contextmenu");
-    return menu;
-  },
-
-  get _urlBarContextMenu() {
-    let urlbar = document.getElementById("urlbar");
-    let textBox = document.getAnonymousElementByAttribute(urlbar,
-                                        "anonid", "textbox-input-box");
-    let menu = document.getAnonymousElementByAttribute(textBox,
-                                        "anonid", "input-box-contextmenu");
-    return menu;
-  },
-
-  _addListener(el) {
-    el.addEventListener("popupshowing", this);
-  },
-
-  _removeListener(el) {
-    el.removeEventListener("popupshowing", this);
-  },
-
-  init() {
-    // Start observing different context menus for popupshowing.
-
-    // The main popup set, which contains several context menus,
-    // e.g. the page content area context menu.
-    this._addListener(document.getElementById("mainPopupSet"));
-
-    // The navigation context menu of the back and forward button.
-    this._addListener(document.getElementById("back-button"));
-    this._addListener(document.getElementById("forward-button"));
-
-    // The search bar context menu.
-    this._addListener(this._searchBarContextMenu);
-
-    // The url bar context menu.
-    this._addListener(this._urlBarContextMenu);
-  },
-
-  handleEvent(event) {
-    let target = event.target;
-    if (target.localName != "menupopup") {
-      return;
-    }
-
-    if (event.mozInputSource == MouseEvent.MOZ_SOURCE_TOUCH) {
-      target.setAttribute("touchmode", "true");
-    } else {
-      target.removeAttribute("touchmode");
-    }
-  },
-
-  uninit() {
-    this._removeListener(document.getElementById("mainPopupSet"));
-    this._removeListener(document.getElementById("back-button"));
-    this._removeListener(document.getElementById("forward-button"));
-    this._removeListener(this._searchBarContextMenu);
-    this._removeListener(this._urlBarContextMenu);
-  },
-};
-
 var TabContextMenu = {
   contextTab: null,
   _updateToggleMuteMenuItem(aTab, aConditionFn) {

browser/base/content/nsContextMenu.js

@@ -62,14 +62,14 @@ function openContextMenu(aMessage) {
   let popup = browser.ownerDocument.getElementById("contentAreaContextMenu");
   let event = gContextMenuContentData.event;
 
-  // The event is a CPOW that can't be passed into the native openPopupAtScreen
-  // function. Therefore we synthesize a new MouseEvent to propagate the
-  // inputSource to the subsequently triggered popupshowing event.
-  var newEvent = document.createEvent("MouseEvent");
-  newEvent.initNSMouseEvent("contextmenu", true, true, null, 0, event.screenX, event.screenY,
-                            0, 0, false, false, false, false, 0, null, 0, event.mozInputSource);
+  // Set touch mode to get larger menu items.
+  if (event.mozInputSource == MouseEvent.MOZ_SOURCE_TOUCH) {
+    popup.setAttribute("touchmode", "true");
+  } else {
+    popup.removeAttribute("touchmode");
+  }
 
-  popup.openPopupAtScreen(newEvent.screenX, newEvent.screenY, true, newEvent);
+  popup.openPopupAtScreen(event.screenX, event.screenY, true);
 }
 
 function nsContextMenu(aXulMenu, aIsShift) {

browser/base/content/test/contextMenu/browser.ini

@@ -4,5 +4,3 @@ support-files =
   subtst_contextmenu_webext.html
 
 [browser_contextmenu_mozextension.js]
-[browser_contextmenu_touch.js]
-skip-if = !(os == 'win' && os_version == '10.0')

browser/base/content/test/contextMenu/browser_contextmenu_touch.js

@@ -1,73 +0,0 @@
-/* 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/. */
-
-/* This test checks that context menus are in touchmode
- * when opened through a touch event (long tap). */
-
-async function openAndCheckContextMenu(contextMenu, target) {
-  is(contextMenu.state, "closed", "Context menu is initally closed.");
-
-  let popupshown = BrowserTestUtils.waitForEvent(contextMenu, "popupshown");
-  EventUtils.synthesizeNativeTapAtCenter(target, true);
-  await popupshown;
-
-  is(contextMenu.state, "open", "Context menu is open.");
-  is(contextMenu.getAttribute("touchmode"), "true", "Context menu is in touchmode.");
-
-  contextMenu.hidePopup();
-
-  popupshown = BrowserTestUtils.waitForEvent(contextMenu, "popupshown");
-  EventUtils.synthesizeMouseAtCenter(target, {type: "contextmenu"});
-  await popupshown;
-
-  is(contextMenu.state, "open", "Context menu is open.");
-  ok(!contextMenu.hasAttribute("touchmode"), "Context menu is not in touchmode.");
-
-  contextMenu.hidePopup();
-}
-
-// Test the content area context menu.
-add_task(async function test_contentarea_contextmenu_touch() {
-  await BrowserTestUtils.withNewTab("about:blank", async function(browser) {
-    let contextMenu = document.getElementById("contentAreaContextMenu");
-    await openAndCheckContextMenu(contextMenu, browser);
-  });
-});
-
-// Test the back and forward buttons.
-add_task(async function test_back_forward_button_contextmenu_touch() {
-  await BrowserTestUtils.withNewTab("http://example.com", async function(browser) {
-    let contextMenu = document.getElementById("backForwardMenu");
-
-    let backbutton = document.getElementById("back-button");
-    let notDisabled = BrowserTestUtils.waitForCondition(() => !backbutton.hasAttribute("disabled"));
-    BrowserTestUtils.loadURI(browser, "http://example.org");
-    await notDisabled;
-    await openAndCheckContextMenu(contextMenu, backbutton);
-
-
-    let forwardbutton = document.getElementById("forward-button");
-    notDisabled = BrowserTestUtils.waitForCondition(() => !forwardbutton.hasAttribute("disabled"));
-    backbutton.click();
-    await notDisabled;
-    await openAndCheckContextMenu(contextMenu, forwardbutton);
-  });
-});
-
-// Test the toolbar context menu.
-add_task(async function test_toolbar_contextmenu_touch() {
-  let toolbarContextMenu = document.getElementById("toolbar-context-menu");
-  let target = document.getElementById("PanelUI-menu-button");
-  await openAndCheckContextMenu(toolbarContextMenu, target);
-});
-
-// Test the urlbar input context menu.
-add_task(async function test_urlbar_contextmenu_touch() {
-  let urlbar = document.getElementById("urlbar");
-  let textBox = document.getAnonymousElementByAttribute(urlbar,
-                                      "anonid", "textbox-input-box");
-  let menu = document.getAnonymousElementByAttribute(textBox,
-                                      "anonid", "input-box-contextmenu");
-  await openAndCheckContextMenu(menu, textBox);
-});

browser/themes/windows/browser.css

@@ -1970,8 +1970,8 @@ notification.pluginVulnerable > .notification-inner > .messageCloseButton {
 %include ../shared/contextmenu.inc.css
 
 /* Make context menu items larger when opened through touch. */
-menupopup[touchmode] menu,
-menupopup[touchmode] menuitem {
+#contentAreaContextMenu[touchmode] menu,
+#contentAreaContextMenu[touchmode] menuitem {
   padding-top: 12px;
   padding-bottom: 12px;
 }

layout/xul/nsXULPopupManager.cpp

@@ -771,7 +771,7 @@ nsXULPopupManager::ShowMenu(nsIContent *aMenu,
   }
   else {
     nsCOMPtr<nsIContent> popupContent = popupFrame->GetContent();
-    FirePopupShowingEvent(popupContent, parentIsContextMenu, aSelectFirstItem, nullptr);
+    FirePopupShowingEvent(popupContent, parentIsContextMenu, aSelectFirstItem);
   }
 }
 
@@ -795,7 +795,7 @@ nsXULPopupManager::ShowPopup(nsIContent* aPopup,
   popupFrame->InitializePopup(aAnchorContent, triggerContent, aPosition,
                               aXPos, aYPos, MenuPopupAnchorType_Node, aAttributesOverride);
 
-  FirePopupShowingEvent(aPopup, aIsContextMenu, aSelectFirstItem, aTriggerEvent);
+  FirePopupShowingEvent(aPopup, aIsContextMenu, aSelectFirstItem);
 }
 
 void
@@ -812,7 +812,7 @@ nsXULPopupManager::ShowPopupAtScreen(nsIContent* aPopup,
   InitTriggerEvent(aTriggerEvent, aPopup, getter_AddRefs(triggerContent));
 
   popupFrame->InitializePopupAtScreen(triggerContent, aXPos, aYPos, aIsContextMenu);
-  FirePopupShowingEvent(aPopup, aIsContextMenu, false, aTriggerEvent);
+  FirePopupShowingEvent(aPopup, aIsContextMenu, false);
 }
 
 void
@@ -833,7 +833,7 @@ nsXULPopupManager::ShowPopupAtScreenRect(nsIContent* aPopup,
   popupFrame->InitializePopupAtRect(triggerContent, aPosition,
                                     aRect, aAttributesOverride);
 
-  FirePopupShowingEvent(aPopup, aIsContextMenu, false, aTriggerEvent);
+  FirePopupShowingEvent(aPopup, aIsContextMenu, false);
 }
 
 void
@@ -862,7 +862,7 @@ nsXULPopupManager::ShowTooltipAtScreen(nsIContent* aPopup,
 
   popupFrame->InitializePopupAtScreen(aTriggerContent, aXPos, aYPos, false);
 
-  FirePopupShowingEvent(aPopup, false, false, nullptr);
+  FirePopupShowingEvent(aPopup, false, false);
 }
 
 void
@@ -881,7 +881,7 @@ nsXULPopupManager::ShowPopupWithAnchorAlign(nsIContent* aPopup,
 
   popupFrame->InitializePopupWithAnchorAlign(aAnchorContent, aAnchor,
                                              aAlign, aXPos, aYPos);
-  FirePopupShowingEvent(aPopup, aIsContextMenu, false, nullptr);
+  FirePopupShowingEvent(aPopup, aIsContextMenu, false);
 }
 
 static void
@@ -1429,8 +1429,7 @@ nsXULPopupManager::ExecuteMenu(nsIContent* aMenu, nsXULMenuCommandEvent* aEvent)
 void
 nsXULPopupManager::FirePopupShowingEvent(nsIContent* aPopup,
                                          bool aIsContextMenu,
-                                         bool aSelectFirstItem,
-                                         nsIDOMEvent* aTriggerEvent)
+                                         bool aSelectFirstItem)
 {
   nsCOMPtr<nsIContent> popup = aPopup; // keep a strong reference to the popup
 
@@ -1476,14 +1475,6 @@ nsXULPopupManager::FirePopupShowingEvent(nsIContent* aPopup,
     event.mWidget = nullptr;
   }
 
-  if (aTriggerEvent) {
-    WidgetMouseEventBase* mouseEvent =
-      aTriggerEvent->WidgetEventPtr()->AsMouseEventBase();
-    if (mouseEvent) {
-      event.inputSource = mouseEvent->inputSource;
-    }
-  }
-
   event.mRefPoint = mCachedMousePoint;
   event.mModifiers = mCachedModifiers;
   EventDispatcher::Dispatch(popup, presContext, &event, nullptr, &status);
@@ -2749,7 +2740,7 @@ nsXULPopupShowingEvent::Run()
 {
   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
   if (pm) {
-    pm->FirePopupShowingEvent(mPopup, mIsContextMenu, mSelectFirstItem, nullptr);
+    pm->FirePopupShowingEvent(mPopup, mIsContextMenu, mSelectFirstItem);
   }
 
   return NS_OK;

layout/xul/nsXULPopupManager.h

@@ -731,14 +731,10 @@ protected:
    * aPopup - the popup to open
    * aIsContextMenu - true for context menus
    * aSelectFirstItem - true to select the first item in the menu
-   * aTriggerEvent - the event that triggered the showing event.
-   *                 This is currently used to propagate the
-   *                 inputSource attribute. May be null.
    */
   void FirePopupShowingEvent(nsIContent* aPopup,
                              bool aIsContextMenu,
-                             bool aSelectFirstItem,
-                             nsIDOMEvent* aTriggerEvent);
+                             bool aSelectFirstItem);
 
   /**
    * Fire a popuphiding event and then hide the popup. This will be called

testing/mochitest/tests/SimpleTest/EventUtils.js

@@ -633,31 +633,6 @@ function sendWheelAndPaint(aTarget, aOffsetX, aOffsetY, aEvent, aCallback, aWind
   synthesizeWheel(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
 }
 
-function synthesizeNativeTapAtCenter(aTarget, aLongTap = false, aCallback = null, aWindow = window) {
-  let rect = aTarget.getBoundingClientRect();
-  return synthesizeNativeTap(aTarget, rect.width / 2, rect.height / 2, aLongTap, aCallback, aWindow);
-}
-
-function synthesizeNativeTap(aTarget, aOffsetX, aOffsetY, aLongTap = false, aCallback = null, aWindow = window) {
-  let utils = _getDOMWindowUtils(aWindow);
-  if (!utils)
-    return;
-
-  let scale = utils.screenPixelsPerCSSPixel;
-  let rect = aTarget.getBoundingClientRect();
-  let x = (aWindow.mozInnerScreenX + rect.left + aOffsetX) * scale;
-  let y = (aWindow.mozInnerScreenY + rect.top + aOffsetY) * scale;
-
-  let observer = {
-    observe: (subject, topic, data) => {
-      if (aCallback && topic == "mouseevent") {
-        aCallback(data);
-      }
-    }
-  };
-  utils.sendNativeTouchTap(x, y, aLongTap, observer);
-}
-
 function synthesizeNativeMouseMove(aTarget, aOffsetX, aOffsetY, aCallback, aWindow = window) {
   var utils = _getDOMWindowUtils(aWindow);
   if (!utils)