Add m-esr52 at 52.6.0

1 files changed, 673 insertions, 0 deletions

diff --git a/browser/base/content/browser-fullScreenAndPointerLock.js b/browser/base/content/browser-fullScreenAndPointerLock.js
new file mode 100644
index 000000000..497e51121
--- /dev/null
+++ b/browser/base/content/browser-fullScreenAndPointerLock.js
@@ -0,0 +1,673 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * 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/. */
+
+var PointerlockFsWarning = {
+
+  _element: null,
+  _origin: null,
+
+  init: function() {
+    this.Timeout.prototype = {
+      start: function() {
+        this.cancel();
+        this._id = setTimeout(() => this._handle(), this._delay);
+      },
+      cancel: function() {
+        if (this._id) {
+          clearTimeout(this._id);
+          this._id = 0;
+        }
+      },
+      _handle: function() {
+        this._id = 0;
+        this._func();
+      },
+      get delay() {
+        return this._delay;
+      }
+    };
+  },
+
+  /**
+   * Timeout object for managing timeout request. If it is started when
+   * the previous call hasn't finished, it would automatically cancelled
+   * the previous one.
+   */
+  Timeout: function(func, delay) {
+    this._id = 0;
+    this._func = func;
+    this._delay = delay;
+  },
+
+  showPointerLock: function(aOrigin) {
+    if (!document.fullscreen) {
+      let timeout = gPrefService.getIntPref("pointer-lock-api.warning.timeout");
+      this.show(aOrigin, "pointerlock-warning", timeout, 0);
+    }
+  },
+
+  showFullScreen: function(aOrigin) {
+    let timeout = gPrefService.getIntPref("full-screen-api.warning.timeout");
+    let delay = gPrefService.getIntPref("full-screen-api.warning.delay");
+    this.show(aOrigin, "fullscreen-warning", timeout, delay);
+  },
+
+  // Shows a warning that the site has entered fullscreen or
+  // pointer lock for a short duration.
+  show: function(aOrigin, elementId, timeout, delay) {
+
+    if (!this._element) {
+      this._element = document.getElementById(elementId);
+      // Setup event listeners
+      this._element.addEventListener("transitionend", this);
+      window.addEventListener("mousemove", this, true);
+      // The timeout to hide the warning box after a while.
+      this._timeoutHide = new this.Timeout(() => {
+        this._state = "hidden";
+      }, timeout);
+      // The timeout to show the warning box when the pointer is at the top
+      this._timeoutShow = new this.Timeout(() => {
+        this._state = "ontop";
+        this._timeoutHide.start();
+      }, delay);
+    }
+
+    // Set the strings on the warning UI.
+    if (aOrigin) {
+      this._origin = aOrigin;
+    }
+    let uri = BrowserUtils.makeURI(this._origin);
+    let host = null;
+    try {
+      host = uri.host;
+    } catch (e) { }
+    let textElem = this._element.querySelector(".pointerlockfswarning-domain-text");
+    if (!host) {
+      textElem.setAttribute("hidden", true);
+    } else {
+      textElem.removeAttribute("hidden");
+      let hostElem = this._element.querySelector(".pointerlockfswarning-domain");
+      // Document's principal's URI has a host. Display a warning including it.
+      let utils = {};
+      Cu.import("resource://gre/modules/DownloadUtils.jsm", utils);
+      hostElem.textContent = utils.DownloadUtils.getURIHost(uri.spec)[0];
+    }
+
+    this._element.dataset.identity =
+      gIdentityHandler.pointerlockFsWarningClassName;
+
+    // User should be allowed to explicitly disable
+    // the prompt if they really want.
+    if (this._timeoutHide.delay <= 0) {
+      return;
+    }
+
+    // Explicitly set the last state to hidden to avoid the warning
+    // box being hidden immediately because of mousemove.
+    this._state = "onscreen";
+    this._lastState = "hidden";
+    this._timeoutHide.start();
+  },
+
+  close: function() {
+    if (!this._element) {
+      return;
+    }
+    // Cancel any pending timeout
+    this._timeoutHide.cancel();
+    this._timeoutShow.cancel();
+    // Reset state of the warning box
+    this._state = "hidden";
+    this._element.setAttribute("hidden", true);
+    // Remove all event listeners
+    this._element.removeEventListener("transitionend", this);
+    window.removeEventListener("mousemove", this, true);
+    // Clear fields
+    this._element = null;
+    this._timeoutHide = null;
+    this._timeoutShow = null;
+
+    // Ensure focus switches away from the (now hidden) warning box.
+    // If the user clicked buttons in the warning box, it would have
+    // been focused, and any key events would be directed at the (now
+    // hidden) chrome document instead of the target document.
+    gBrowser.selectedBrowser.focus();
+  },
+
+  // State could be one of "onscreen", "ontop", "hiding", and
+  // "hidden". Setting the state to "onscreen" and "ontop" takes
+  // effect immediately, while setting it to "hidden" actually
+  // turns the state to "hiding" before the transition finishes.
+  _lastState: null,
+  _STATES: ["hidden", "ontop", "onscreen"],
+  get _state() {
+    for (let state of this._STATES) {
+      if (this._element.hasAttribute(state)) {
+        return state;
+      }
+    }
+    return "hiding";
+  },
+  set _state(newState) {
+    let currentState = this._state;
+    if (currentState == newState) {
+      return;
+    }
+    if (currentState != "hiding") {
+      this._lastState = currentState;
+      this._element.removeAttribute(currentState);
+    }
+    if (newState != "hidden") {
+      if (currentState != "hidden") {
+        this._element.setAttribute(newState, true);
+      } else {
+        // When the previous state is hidden, the display was none,
+        // thus no box was constructed. We need to wait for the new
+        // display value taking effect first, otherwise, there won't
+        // be any transition. Since requestAnimationFrame callback is
+        // generally triggered before any style flush and layout, we
+        // should wait for the second animation frame.
+        requestAnimationFrame(() => {
+          requestAnimationFrame(() => {
+            if (this._element) {
+              this._element.setAttribute(newState, true);
+            }
+          });
+        });
+      }
+    }
+  },
+
+  handleEvent: function(event) {
+    switch (event.type) {
+    case "mousemove": {
+      let state = this._state;
+      if (state == "hidden") {
+        // If the warning box is currently hidden, show it after
+        // a short delay if the pointer is at the top.
+        if (event.clientY != 0) {
+          this._timeoutShow.cancel();
+        } else if (this._timeoutShow.delay >= 0) {
+          this._timeoutShow.start();
+        }
+      } else {
+        let elemRect = this._element.getBoundingClientRect();
+        if (state == "hiding" && this._lastState != "hidden") {
+          // If we are on the hiding transition, and the pointer
+          // moved near the box, restore to the previous state.
+          if (event.clientY <= elemRect.bottom + 50) {
+            this._state = this._lastState;
+            this._timeoutHide.start();
+          }
+        } else if (state == "ontop" || this._lastState != "hidden") {
+          // State being "ontop" or the previous state not being
+          // "hidden" indicates this current warning box is shown
+          // in response to user's action. Hide it immediately when
+          // the pointer leaves that area.
+          if (event.clientY > elemRect.bottom + 50) {
+            this._state = "hidden";
+            this._timeoutHide.cancel();
+          }
+        }
+      }
+      break;
+    }
+    case "transitionend": {
+      if (this._state == "hiding") {
+        this._element.setAttribute("hidden", true);
+      }
+      break;
+    }
+    }
+  }
+};
+
+var PointerLock = {
+
+  init: function() {
+    window.messageManager.addMessageListener("PointerLock:Entered", this);
+    window.messageManager.addMessageListener("PointerLock:Exited", this);
+  },
+
+  receiveMessage: function(aMessage) {
+    switch (aMessage.name) {
+      case "PointerLock:Entered": {
+        PointerlockFsWarning.showPointerLock(aMessage.data.originNoSuffix);
+        break;
+      }
+      case "PointerLock:Exited": {
+        PointerlockFsWarning.close();
+        break;
+      }
+    }
+  }
+};
+
+var FullScreen = {
+  _MESSAGES: [
+    "DOMFullscreen:Request",
+    "DOMFullscreen:NewOrigin",
+    "DOMFullscreen:Exit",
+    "DOMFullscreen:Painted",
+  ],
+
+  init: function() {
+    // called when we go into full screen, even if initiated by a web page script
+    window.addEventListener("fullscreen", this, true);
+    window.addEventListener("MozDOMFullscreen:Entered", this,
+                            /* useCapture */ true,
+                            /* wantsUntrusted */ false);
+    window.addEventListener("MozDOMFullscreen:Exited", this,
+                            /* useCapture */ true,
+                            /* wantsUntrusted */ false);
+    for (let type of this._MESSAGES) {
+      window.messageManager.addMessageListener(type, this);
+    }
+
+    if (window.fullScreen)
+      this.toggle();
+  },
+
+  uninit: function() {
+    for (let type of this._MESSAGES) {
+      window.messageManager.removeMessageListener(type, this);
+    }
+    this.cleanup();
+  },
+
+  toggle: function () {
+    var enterFS = window.fullScreen;
+
+    // Toggle the View:FullScreen command, which controls elements like the
+    // fullscreen menuitem, and menubars.
+    let fullscreenCommand = document.getElementById("View:FullScreen");
+    if (enterFS) {
+      fullscreenCommand.setAttribute("checked", enterFS);
+    } else {
+      fullscreenCommand.removeAttribute("checked");
+    }
+
+    if (AppConstants.platform == "macosx") {
+      // Make sure the menu items are adjusted.
+      document.getElementById("enterFullScreenItem").hidden = enterFS;
+      document.getElementById("exitFullScreenItem").hidden = !enterFS;
+    }
+
+    if (!this._fullScrToggler) {
+      this._fullScrToggler = document.getElementById("fullscr-toggler");
+      this._fullScrToggler.addEventListener("mouseover", this._expandCallback, false);
+      this._fullScrToggler.addEventListener("dragenter", this._expandCallback, false);
+      this._fullScrToggler.addEventListener("touchmove", this._expandCallback, {passive: true});
+    }
+
+    if (enterFS) {
+      gNavToolbox.setAttribute("inFullscreen", true);
+      document.documentElement.setAttribute("inFullscreen", true);
+      if (!document.fullscreenElement && this.useLionFullScreen)
+        document.documentElement.setAttribute("OSXLionFullscreen", true);
+    } else {
+      gNavToolbox.removeAttribute("inFullscreen");
+      document.documentElement.removeAttribute("inFullscreen");
+      document.documentElement.removeAttribute("OSXLionFullscreen");
+    }
+
+    if (!document.fullscreenElement)
+      this._updateToolbars(enterFS);
+
+    if (enterFS) {
+      document.addEventListener("keypress", this._keyToggleCallback, false);
+      document.addEventListener("popupshown", this._setPopupOpen, false);
+      document.addEventListener("popuphidden", this._setPopupOpen, false);
+      // In DOM fullscreen mode, we hide toolbars with CSS
+      if (!document.fullscreenElement)
+        this.hideNavToolbox(true);
+    }
+    else {
+      this.showNavToolbox(false);
+      // This is needed if they use the context menu to quit fullscreen
+      this._isPopupOpen = false;
+      this.cleanup();
+      // In TabsInTitlebar._update(), we cancel the appearance update on
+      // resize event for exiting fullscreen, since that happens before we
+      // change the UI here in the "fullscreen" event. Hence we need to
+      // call it here to ensure the appearance is properly updated. See
+      // TabsInTitlebar._update() and bug 1173768.
+      TabsInTitlebar.updateAppearance(true);
+    }
+
+    if (enterFS && !document.fullscreenElement) {
+      Services.telemetry.getHistogramById("FX_BROWSER_FULLSCREEN_USED")
+                        .add(1);
+    }
+  },
+
+  exitDomFullScreen : function() {
+    document.exitFullscreen();
+  },
+
+  handleEvent: function (event) {
+    switch (event.type) {
+      case "fullscreen":
+        this.toggle();
+        break;
+      case "MozDOMFullscreen:Entered": {
+        // The event target is the element which requested the DOM
+        // fullscreen. If we were entering DOM fullscreen for a remote
+        // browser, the target would be `gBrowser` and the original
+        // target would be the browser which was the parameter of
+        // `remoteFrameFullscreenChanged` call. If the fullscreen
+        // request was initiated from an in-process browser, we need
+        // to get its corresponding browser here.
+        let browser;
+        if (event.target == gBrowser) {
+          browser = event.originalTarget;
+        } else {
+          let topWin = event.target.ownerGlobal.top;
+          browser = gBrowser.getBrowserForContentWindow(topWin);
+        }
+        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
+        this.enterDomFullscreen(browser);
+        break;
+      }
+      case "MozDOMFullscreen:Exited":
+        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
+        this.cleanupDomFullscreen();
+        break;
+    }
+  },
+
+  receiveMessage: function(aMessage) {
+    let browser = aMessage.target;
+    switch (aMessage.name) {
+      case "DOMFullscreen:Request": {
+        this._windowUtils.remoteFrameFullscreenChanged(browser);
+        break;
+      }
+      case "DOMFullscreen:NewOrigin": {
+        // Don't show the warning if we've already exited fullscreen.
+        if (document.fullscreen) {
+          PointerlockFsWarning.showFullScreen(aMessage.data.originNoSuffix);
+        }
+        break;
+      }
+      case "DOMFullscreen:Exit": {
+        this._windowUtils.remoteFrameFullscreenReverted();
+        break;
+      }
+      case "DOMFullscreen:Painted": {
+        Services.obs.notifyObservers(window, "fullscreen-painted", "");
+        TelemetryStopwatch.finish("FULLSCREEN_CHANGE_MS");
+        break;
+      }
+    }
+  },
+
+  enterDomFullscreen : function(aBrowser) {
+
+    if (!document.fullscreenElement) {
+      return;
+    }
+
+    // If we have a current pointerlock warning shown then hide it
+    // before transition.
+    PointerlockFsWarning.close();
+
+    // If it is a remote browser, send a message to ask the content
+    // to enter fullscreen state. We don't need to do so if it is an
+    // in-process browser, since all related document should have
+    // entered fullscreen state at this point.
+    // This should be done before the active tab check below to ensure
+    // that the content document handles the pending request. Doing so
+    // before the check is fine since we also check the activeness of
+    // the requesting document in content-side handling code.
+    if (this._isRemoteBrowser(aBrowser)) {
+      aBrowser.messageManager.sendAsyncMessage("DOMFullscreen:Entered");
+    }
+
+    // If we've received a fullscreen notification, we have to ensure that the
+    // element that's requesting fullscreen belongs to the browser that's currently
+    // active. If not, we exit fullscreen since the "full-screen document" isn't
+    // actually visible now.
+    if (!aBrowser || gBrowser.selectedBrowser != aBrowser ||
+        // The top-level window has lost focus since the request to enter
+        // full-screen was made. Cancel full-screen.
+        Services.focus.activeWindow != window) {
+      // This function is called synchronously in fullscreen change, so
+      // we have to avoid calling exitFullscreen synchronously here.
+      setTimeout(() => document.exitFullscreen(), 0);
+      return;
+    }
+
+    document.documentElement.setAttribute("inDOMFullscreen", true);
+
+    if (gFindBarInitialized) {
+      gFindBar.close(true);
+    }
+
+    // Exit DOM full-screen mode upon open, close, or change tab.
+    gBrowser.tabContainer.addEventListener("TabOpen", this.exitDomFullScreen);
+    gBrowser.tabContainer.addEventListener("TabClose", this.exitDomFullScreen);
+    gBrowser.tabContainer.addEventListener("TabSelect", this.exitDomFullScreen);
+
+    // Add listener to detect when the fullscreen window is re-focused.
+    // If a fullscreen window loses focus, we show a warning when the
+    // fullscreen window is refocused.
+    window.addEventListener("activate", this);
+  },
+
+  cleanup: function () {
+    if (!window.fullScreen) {
+      MousePosTracker.removeListener(this);
+      document.removeEventListener("keypress", this._keyToggleCallback, false);
+      document.removeEventListener("popupshown", this._setPopupOpen, false);
+      document.removeEventListener("popuphidden", this._setPopupOpen, false);
+    }
+  },
+
+  cleanupDomFullscreen: function () {
+    window.messageManager
+          .broadcastAsyncMessage("DOMFullscreen:CleanUp");
+
+    PointerlockFsWarning.close();
+    gBrowser.tabContainer.removeEventListener("TabOpen", this.exitDomFullScreen);
+    gBrowser.tabContainer.removeEventListener("TabClose", this.exitDomFullScreen);
+    gBrowser.tabContainer.removeEventListener("TabSelect", this.exitDomFullScreen);
+    window.removeEventListener("activate", this);
+
+    document.documentElement.removeAttribute("inDOMFullscreen");
+  },
+
+  _isRemoteBrowser: function (aBrowser) {
+    return gMultiProcessBrowser && aBrowser.getAttribute("remote") == "true";
+  },
+
+  get _windowUtils() {
+    return window.QueryInterface(Ci.nsIInterfaceRequestor)
+                 .getInterface(Ci.nsIDOMWindowUtils);
+  },
+
+  getMouseTargetRect: function()
+  {
+    return this._mouseTargetRect;
+  },
+
+  // Event callbacks
+  _expandCallback: function()
+  {
+    FullScreen.showNavToolbox();
+  },
+  onMouseEnter: function()
+  {
+    FullScreen.hideNavToolbox();
+  },
+  _keyToggleCallback: function(aEvent)
+  {
+    // if we can use the keyboard (eg Ctrl+L or Ctrl+E) to open the toolbars, we
+    // should provide a way to collapse them too.
+    if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
+      FullScreen.hideNavToolbox();
+    }
+    // F6 is another shortcut to the address bar, but its not covered in OpenLocation()
+    else if (aEvent.keyCode == aEvent.DOM_VK_F6)
+      FullScreen.showNavToolbox();
+  },
+
+  // Checks whether we are allowed to collapse the chrome
+  _isPopupOpen: false,
+  _isChromeCollapsed: false,
+  _safeToCollapse: function () {
+    if (!gPrefService.getBoolPref("browser.fullscreen.autohide"))
+      return false;
+
+    // a popup menu is open in chrome: don't collapse chrome
+    if (this._isPopupOpen)
+      return false;
+
+    // On OS X Lion we don't want to hide toolbars.
+    if (this.useLionFullScreen)
+      return false;
+
+    // a textbox in chrome is focused (location bar anyone?): don't collapse chrome
+    if (document.commandDispatcher.focusedElement &&
+        document.commandDispatcher.focusedElement.ownerDocument == document &&
+        document.commandDispatcher.focusedElement.localName == "input") {
+      return false;
+    }
+
+    return true;
+  },
+
+  _setPopupOpen: function(aEvent)
+  {
+    // Popups should only veto chrome collapsing if they were opened when the chrome was not collapsed.
+    // Otherwise, they would not affect chrome and the user would expect the chrome to go away.
+    // e.g. we wouldn't want the autoscroll icon firing this event, so when the user
+    // toggles chrome when moving mouse to the top, it doesn't go away again.
+    if (aEvent.type == "popupshown" && !FullScreen._isChromeCollapsed &&
+        aEvent.target.localName != "tooltip" && aEvent.target.localName != "window")
+      FullScreen._isPopupOpen = true;
+    else if (aEvent.type == "popuphidden" && aEvent.target.localName != "tooltip" &&
+             aEvent.target.localName != "window") {
+      FullScreen._isPopupOpen = false;
+      // Try again to hide toolbar when we close the popup.
+      FullScreen.hideNavToolbox(true);
+    }
+  },
+
+  // Autohide helpers for the context menu item
+  getAutohide: function(aItem)
+  {
+    aItem.setAttribute("checked", gPrefService.getBoolPref("browser.fullscreen.autohide"));
+  },
+  setAutohide: function()
+  {
+    gPrefService.setBoolPref("browser.fullscreen.autohide", !gPrefService.getBoolPref("browser.fullscreen.autohide"));
+    // Try again to hide toolbar when we change the pref.
+    FullScreen.hideNavToolbox(true);
+  },
+
+  showNavToolbox: function(trackMouse = true) {
+    this._fullScrToggler.hidden = true;
+    gNavToolbox.removeAttribute("fullscreenShouldAnimate");
+    gNavToolbox.style.marginTop = "";
+
+    if (!this._isChromeCollapsed) {
+      return;
+    }
+
+    // Track whether mouse is near the toolbox
+    if (trackMouse && !this.useLionFullScreen) {
+      let rect = gBrowser.mPanelContainer.getBoundingClientRect();
+      this._mouseTargetRect = {
+        top: rect.top + 50,
+        bottom: rect.bottom,
+        left: rect.left,
+        right: rect.right
+      };
+      MousePosTracker.addListener(this);
+    }
+
+    this._isChromeCollapsed = false;
+  },
+
+  hideNavToolbox: function (aAnimate = false) {
+    if (this._isChromeCollapsed || !this._safeToCollapse())
+      return;
+
+    this._fullScrToggler.hidden = false;
+
+    if (aAnimate && gPrefService.getBoolPref("browser.fullscreen.animate")) {
+      gNavToolbox.setAttribute("fullscreenShouldAnimate", true);
+      // Hide the fullscreen toggler until the transition ends.
+      let listener = () => {
+        gNavToolbox.removeEventListener("transitionend", listener, true);
+        if (this._isChromeCollapsed)
+          this._fullScrToggler.hidden = false;
+      };
+      gNavToolbox.addEventListener("transitionend", listener, true);
+      this._fullScrToggler.hidden = true;
+    }
+
+    gNavToolbox.style.marginTop =
+      -gNavToolbox.getBoundingClientRect().height + "px";
+    this._isChromeCollapsed = true;
+    MousePosTracker.removeListener(this);
+  },
+
+  _updateToolbars: function (aEnterFS) {
+    for (let el of document.querySelectorAll("toolbar[fullscreentoolbar=true]")) {
+      if (aEnterFS) {
+        // Give the main nav bar and the tab bar the fullscreen context menu,
+        // otherwise remove context menu to prevent breakage
+        el.setAttribute("saved-context", el.getAttribute("context"));
+        if (el.id == "nav-bar" || el.id == "TabsToolbar")
+          el.setAttribute("context", "autohide-context");
+        else
+          el.removeAttribute("context");
+
+        // Set the inFullscreen attribute to allow specific styling
+        // in fullscreen mode
+        el.setAttribute("inFullscreen", true);
+      } else {
+        if (el.hasAttribute("saved-context")) {
+          el.setAttribute("context", el.getAttribute("saved-context"));
+          el.removeAttribute("saved-context");
+        }
+        el.removeAttribute("inFullscreen");
+      }
+    }
+
+    ToolbarIconColor.inferFromText();
+
+    // For Lion fullscreen, all fullscreen controls are hidden, don't
+    // bother to touch them. If we don't stop here, the following code
+    // could cause the native fullscreen button be shown unexpectedly.
+    // See bug 1165570.
+    if (this.useLionFullScreen) {
+      return;
+    }
+
+    var fullscreenctls = document.getElementById("window-controls");
+    var navbar = document.getElementById("nav-bar");
+    var ctlsOnTabbar = window.toolbar.visible;
+    if (fullscreenctls.parentNode == navbar && ctlsOnTabbar) {
+      fullscreenctls.removeAttribute("flex");
+      document.getElementById("TabsToolbar").appendChild(fullscreenctls);
+    }
+    else if (fullscreenctls.parentNode.id == "TabsToolbar" && !ctlsOnTabbar) {
+      fullscreenctls.setAttribute("flex", "1");
+      navbar.appendChild(fullscreenctls);
+    }
+    fullscreenctls.hidden = !aEnterFS;
+  }
+};
+XPCOMUtils.defineLazyGetter(FullScreen, "useLionFullScreen", function() {
+  // We'll only use OS X Lion full screen if we're
+  // * on OS X
+  // * on Lion or higher (Darwin 11+)
+  // * have fullscreenbutton="true"
+  return AppConstants.isPlatformAndVersionAtLeast("macosx", 11) &&
+         document.documentElement.getAttribute("fullscreenbutton") == "true";
+});