forked from mirrors/gecko-dev
612 lines
24 KiB
JavaScript
612 lines
24 KiB
JavaScript
# -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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var FullScreen = {
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_XULNS: "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
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toggle: function (event) {
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var enterFS = window.fullScreen;
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// We get the fullscreen event _before_ the window transitions into or out of FS mode.
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if (event && event.type == "fullscreen")
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enterFS = !enterFS;
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// Toggle the View:FullScreen command, which controls elements like the
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// fullscreen menuitem, menubars, and the appmenu.
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document.getElementById("View:FullScreen").setAttribute("checked", enterFS);
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#ifdef XP_MACOSX
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// Make sure the menu items are adjusted.
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document.getElementById("enterFullScreenItem").hidden = enterFS;
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document.getElementById("exitFullScreenItem").hidden = !enterFS;
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#endif
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// On OS X Lion we don't want to hide toolbars when entering fullscreen, unless
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// we're entering DOM fullscreen, in which case we should hide the toolbars.
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// If we're leaving fullscreen, then we'll go through the exit code below to
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// make sure toolbars are made visible in the case of DOM fullscreen.
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if (enterFS && this.useLionFullScreen) {
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if (document.mozFullScreen) {
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this.showXULChrome("toolbar", false);
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}
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else {
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gNavToolbox.setAttribute("inFullscreen", true);
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document.documentElement.setAttribute("inFullscreen", true);
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}
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return;
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}
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// show/hide menubars, toolbars (except the full screen toolbar)
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this.showXULChrome("toolbar", !enterFS);
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if (enterFS) {
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// Add a tiny toolbar to receive mouseover and dragenter events, and provide affordance.
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// This will help simulate the "collapse" metaphor while also requiring less code and
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// events than raw listening of mouse coords. We don't add the toolbar in DOM full-screen
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// mode, only browser full-screen mode.
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if (!document.mozFullScreen) {
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let fullScrToggler = document.getElementById("fullscr-toggler");
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if (!fullScrToggler) {
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fullScrToggler = document.createElement("hbox");
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fullScrToggler.id = "fullscr-toggler";
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fullScrToggler.collapsed = true;
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gNavToolbox.parentNode.insertBefore(fullScrToggler, gNavToolbox.nextSibling);
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}
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fullScrToggler.addEventListener("mouseover", this._expandCallback, false);
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fullScrToggler.addEventListener("dragenter", this._expandCallback, false);
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}
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if (gPrefService.getBoolPref("browser.fullscreen.autohide"))
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gBrowser.mPanelContainer.addEventListener("mousemove",
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this._collapseCallback, false);
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document.addEventListener("keypress", this._keyToggleCallback, false);
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document.addEventListener("popupshown", this._setPopupOpen, false);
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document.addEventListener("popuphidden", this._setPopupOpen, false);
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// We don't animate the toolbar collapse if in DOM full-screen mode,
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// as the size of the content area would still be changing after the
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// mozfullscreenchange event fired, which could confuse content script.
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this._shouldAnimate = !document.mozFullScreen;
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this.mouseoverToggle(false);
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// Autohide prefs
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gPrefService.addObserver("browser.fullscreen", this, false);
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}
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else {
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// The user may quit fullscreen during an animation
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this._cancelAnimation();
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gNavToolbox.style.marginTop = "";
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if (this._isChromeCollapsed)
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this.mouseoverToggle(true);
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// This is needed if they use the context menu to quit fullscreen
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this._isPopupOpen = false;
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this.cleanup();
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}
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},
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exitDomFullScreen : function() {
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document.mozCancelFullScreen();
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},
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handleEvent: function (event) {
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switch (event.type) {
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case "deactivate":
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// We must call exitDomFullScreen asynchronously, since "deactivate" is
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// dispatched in the middle of the focus manager's window lowering code,
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// and the focus manager gets confused if we exit fullscreen mode in the
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// middle of window lowering. See bug 729872.
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setTimeout(this.exitDomFullScreen.bind(this), 0);
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break;
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case "transitionend":
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if (event.propertyName == "opacity")
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this.cancelWarning();
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break;
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}
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},
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enterDomFullscreen : function(event) {
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if (!document.mozFullScreen)
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return;
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// However, if we receive a "MozEnteredDomFullScreen" event for a document
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// which is not a subdocument of the currently selected tab, we know that
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// we've switched tabs since the request to enter full-screen was made,
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// so we should exit full-screen since the "full-screen document" isn't
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// acutally visible.
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if (event.target.defaultView.top != gBrowser.contentWindow) {
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document.mozCancelFullScreen();
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return;
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}
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let focusManager = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
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if (focusManager.activeWindow != window) {
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// The top-level window has lost focus since the request to enter
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// full-screen was made. Cancel full-screen.
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document.mozCancelFullScreen();
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return;
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}
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// Ensure the sidebar is hidden.
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if (!document.getElementById("sidebar-box").hidden)
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toggleSidebar();
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if (gFindBarInitialized)
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gFindBar.close();
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this.showWarning(event.target);
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// Exit DOM full-screen mode upon open, close, or change tab.
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gBrowser.tabContainer.addEventListener("TabOpen", this.exitDomFullScreen);
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gBrowser.tabContainer.addEventListener("TabClose", this.exitDomFullScreen);
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gBrowser.tabContainer.addEventListener("TabSelect", this.exitDomFullScreen);
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// Exit DOM full-screen mode when the browser window loses focus (ALT+TAB, etc).
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if (!this.useLionFullScreen &&
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gPrefService.getBoolPref("full-screen-api.exit-on-deactivate")) {
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window.addEventListener("deactivate", this);
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}
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// Cancel any "hide the toolbar" animation which is in progress, and make
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// the toolbar hide immediately.
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this._cancelAnimation();
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this.mouseoverToggle(false);
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// If there's a full-screen toggler, remove its listeners, so that mouseover
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// the top of the screen will not cause the toolbar to re-appear.
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let fullScrToggler = document.getElementById("fullscr-toggler");
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if (fullScrToggler) {
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fullScrToggler.removeEventListener("mouseover", this._expandCallback, false);
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fullScrToggler.removeEventListener("dragenter", this._expandCallback, false);
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}
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},
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cleanup: function () {
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if (window.fullScreen) {
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gBrowser.mPanelContainer.removeEventListener("mousemove",
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this._collapseCallback, false);
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document.removeEventListener("keypress", this._keyToggleCallback, false);
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document.removeEventListener("popupshown", this._setPopupOpen, false);
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document.removeEventListener("popuphidden", this._setPopupOpen, false);
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gPrefService.removeObserver("browser.fullscreen", this);
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let fullScrToggler = document.getElementById("fullscr-toggler");
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if (fullScrToggler) {
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fullScrToggler.removeEventListener("mouseover", this._expandCallback, false);
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fullScrToggler.removeEventListener("dragenter", this._expandCallback, false);
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}
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this.cancelWarning();
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gBrowser.tabContainer.removeEventListener("TabOpen", this.exitDomFullScreen);
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gBrowser.tabContainer.removeEventListener("TabClose", this.exitDomFullScreen);
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gBrowser.tabContainer.removeEventListener("TabSelect", this.exitDomFullScreen);
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if (!this.useLionFullScreen)
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window.removeEventListener("deactivate", this);
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}
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},
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observe: function(aSubject, aTopic, aData)
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{
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if (aData == "browser.fullscreen.autohide") {
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if (gPrefService.getBoolPref("browser.fullscreen.autohide")) {
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gBrowser.mPanelContainer.addEventListener("mousemove",
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this._collapseCallback, false);
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}
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else {
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gBrowser.mPanelContainer.removeEventListener("mousemove",
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this._collapseCallback, false);
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}
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}
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},
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// Event callbacks
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_expandCallback: function()
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{
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FullScreen.mouseoverToggle(true);
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},
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_collapseCallback: function()
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{
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FullScreen.mouseoverToggle(false);
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},
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_keyToggleCallback: function(aEvent)
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{
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// if we can use the keyboard (eg Ctrl+L or Ctrl+E) to open the toolbars, we
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// should provide a way to collapse them too.
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if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
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FullScreen._shouldAnimate = false;
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FullScreen.mouseoverToggle(false, true);
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}
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// F6 is another shortcut to the address bar, but its not covered in OpenLocation()
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else if (aEvent.keyCode == aEvent.DOM_VK_F6)
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FullScreen.mouseoverToggle(true);
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},
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// Checks whether we are allowed to collapse the chrome
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_isPopupOpen: false,
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_isChromeCollapsed: false,
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_safeToCollapse: function(forceHide)
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{
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if (!gPrefService.getBoolPref("browser.fullscreen.autohide"))
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return false;
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// a popup menu is open in chrome: don't collapse chrome
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if (!forceHide && this._isPopupOpen)
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return false;
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// a textbox in chrome is focused (location bar anyone?): don't collapse chrome
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if (document.commandDispatcher.focusedElement &&
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document.commandDispatcher.focusedElement.ownerDocument == document &&
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document.commandDispatcher.focusedElement.localName == "input") {
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if (forceHide)
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// hidden textboxes that still have focus are bad bad bad
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document.commandDispatcher.focusedElement.blur();
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else
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return false;
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}
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return true;
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},
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_setPopupOpen: function(aEvent)
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{
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// Popups should only veto chrome collapsing if they were opened when the chrome was not collapsed.
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// Otherwise, they would not affect chrome and the user would expect the chrome to go away.
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// e.g. we wouldn't want the autoscroll icon firing this event, so when the user
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// toggles chrome when moving mouse to the top, it doesn't go away again.
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if (aEvent.type == "popupshown" && !FullScreen._isChromeCollapsed &&
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aEvent.target.localName != "tooltip" && aEvent.target.localName != "window")
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FullScreen._isPopupOpen = true;
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else if (aEvent.type == "popuphidden" && aEvent.target.localName != "tooltip" &&
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aEvent.target.localName != "window")
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FullScreen._isPopupOpen = false;
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},
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// Autohide helpers for the context menu item
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getAutohide: function(aItem)
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{
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aItem.setAttribute("checked", gPrefService.getBoolPref("browser.fullscreen.autohide"));
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},
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setAutohide: function()
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{
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gPrefService.setBoolPref("browser.fullscreen.autohide", !gPrefService.getBoolPref("browser.fullscreen.autohide"));
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},
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// Animate the toolbars disappearing
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_shouldAnimate: true,
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_isAnimating: false,
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_animationTimeout: 0,
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_animationHandle: 0,
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_animateUp: function() {
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// check again, the user may have done something before the animation was due to start
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if (!window.fullScreen || !this._safeToCollapse(false)) {
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this._isAnimating = false;
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this._shouldAnimate = true;
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return;
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}
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this._animateStartTime = window.mozAnimationStartTime;
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if (!this._animationHandle)
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this._animationHandle = window.mozRequestAnimationFrame(this);
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},
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sample: function (timeStamp) {
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const duration = 1500;
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const timePassed = timeStamp - this._animateStartTime;
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const pos = timePassed >= duration ? 1 :
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1 - Math.pow(1 - timePassed / duration, 4);
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if (pos >= 1) {
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// We've animated enough
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this._cancelAnimation();
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gNavToolbox.style.marginTop = "";
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this.mouseoverToggle(false);
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return;
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}
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gNavToolbox.style.marginTop = (gNavToolbox.boxObject.height * pos * -1) + "px";
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this._animationHandle = window.mozRequestAnimationFrame(this);
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},
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_cancelAnimation: function() {
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window.mozCancelAnimationFrame(this._animationHandle);
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this._animationHandle = 0;
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clearTimeout(this._animationTimeout);
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this._isAnimating = false;
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this._shouldAnimate = false;
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},
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cancelWarning: function(event) {
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if (!this.warningBox)
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return;
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this.fullscreenDoc = null;
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this.warningBox.removeEventListener("transitionend", this);
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if (this.warningFadeOutTimeout) {
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clearTimeout(this.warningFadeOutTimeout);
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this.warningFadeOutTimeout = null;
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}
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// Ensure focus switches away from the (now hidden) warning box. If the user
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// clicked buttons in the fullscreen key authorization UI, it would have been
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// focused, and any key events would be directed at the (now hidden) chrome
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// document instead of the target document.
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gBrowser.selectedBrowser.focus();
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this.warningBox.setAttribute("hidden", true);
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this.warningBox.removeAttribute("fade-warning-out");
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this.warningBox.removeAttribute("obscure-browser");
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this.warningBox = null;
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},
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setFullscreenAllowed: function(isApproved) {
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// The "remember decision" checkbox is hidden when showing for documents that
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// the permission manager can't handle (documents with URIs without a host).
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// We simply require those to be approved every time instead.
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let rememberCheckbox = document.getElementById("full-screen-remember-decision");
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let uri = this.fullscreenDoc.nodePrincipal.URI;
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if (!rememberCheckbox.hidden) {
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if (rememberCheckbox.checked)
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Services.perms.add(uri,
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"fullscreen",
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isApproved ? Services.perms.ALLOW_ACTION : Services.perms.DENY_ACTION,
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Services.perms.EXPIRE_NEVER);
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else if (isApproved) {
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// The user has only temporarily approved fullscren for this fullscreen
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// session only. Add the permission (so Gecko knows to approve any further
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// fullscreen requests for this host in this fullscreen session) but add
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// a listener to revoke the permission when the chrome document exits
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// fullscreen.
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Services.perms.add(uri,
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"fullscreen",
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Services.perms.ALLOW_ACTION,
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Services.perms.EXPIRE_SESSION);
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let host = uri.host;
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function onFullscreenchange(event) {
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if (event.target == document && document.mozFullScreenElement == null) {
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// The chrome document has left fullscreen. Remove the temporary permission grant.
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Services.perms.remove(host, "fullscreen");
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document.removeEventListener("mozfullscreenchange", onFullscreenchange);
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}
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}
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document.addEventListener("mozfullscreenchange", onFullscreenchange);
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}
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}
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if (this.warningBox)
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this.warningBox.setAttribute("fade-warning-out", "true");
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// If the document has been granted fullscreen, notify Gecko so it can resume
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// any pending pointer lock requests, otherwise exit fullscreen; the user denied
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// the fullscreen request.
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if (isApproved)
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Services.obs.notifyObservers(this.fullscreenDoc, "fullscreen-approved", "");
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else
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document.mozCancelFullScreen();
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},
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warningBox: null,
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warningFadeOutTimeout: null,
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fullscreenDoc: null,
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// Shows the fullscreen approval UI, or if the domain has already been approved
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// for fullscreen, shows a warning that the site has entered fullscreen for a short
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// duration.
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showWarning: function(targetDoc) {
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if (!document.mozFullScreen ||
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!gPrefService.getBoolPref("full-screen-api.approval-required"))
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return;
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// Set the strings on the fullscreen approval UI.
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this.fullscreenDoc = targetDoc;
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let uri = this.fullscreenDoc.nodePrincipal.URI;
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let host = null;
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try {
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host = uri.host;
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} catch (e) { }
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let hostLabel = document.getElementById("full-screen-domain-text");
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let rememberCheckbox = document.getElementById("full-screen-remember-decision");
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let isApproved = false;
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if (host) {
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// Document's principal's URI has a host. Display a warning including the hostname and
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// show UI to enable the user to permanently grant this host permission to enter fullscreen.
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let utils = {};
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Cu.import("resource://gre/modules/DownloadUtils.jsm", utils);
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let displayHost = utils.DownloadUtils.getURIHost(uri.spec)[0];
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let bundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
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hostLabel.textContent = bundle.formatStringFromName("fullscreen.entered", [displayHost], 1);
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hostLabel.removeAttribute("hidden");
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rememberCheckbox.label = bundle.formatStringFromName("fullscreen.rememberDecision", [displayHost], 1);
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rememberCheckbox.checked = false;
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rememberCheckbox.removeAttribute("hidden");
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// Note we only allow documents whose principal's URI has a host to
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// store permission grants.
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isApproved = Services.perms.testPermission(uri, "fullscreen") == Services.perms.ALLOW_ACTION;
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} else {
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hostLabel.setAttribute("hidden", "true");
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rememberCheckbox.setAttribute("hidden", "true");
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}
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// Note: the warning box can be non-null if the warning box from the previous request
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// wasn't hidden before another request was made.
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if (!this.warningBox) {
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this.warningBox = document.getElementById("full-screen-warning-container");
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// Add a listener to clean up state after the warning is hidden.
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this.warningBox.addEventListener("transitionend", this);
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this.warningBox.removeAttribute("hidden");
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} else {
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if (this.warningFadeOutTimeout) {
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clearTimeout(this.warningFadeOutTimeout);
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this.warningFadeOutTimeout = null;
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}
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this.warningBox.removeAttribute("fade-warning-out");
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}
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// If fullscreen mode has not yet been approved for the fullscreen
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// document's domain, show the approval UI and don't auto fade out the
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// fullscreen warning box. Otherwise, we're just notifying of entry into
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// fullscreen mode. Note if the resource's host is null, we must be
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// showing a local file or a local data URI, and we require explicit
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// approval every time.
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let authUI = document.getElementById("full-screen-approval-pane");
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if (isApproved) {
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authUI.setAttribute("hidden", "true");
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this.warningBox.removeAttribute("obscure-browser");
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} else {
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// Partially obscure the <browser> element underneath the approval UI.
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this.warningBox.setAttribute("obscure-browser", "true");
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authUI.removeAttribute("hidden");
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}
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// If we're not showing the fullscreen approval UI, we're just notifying the user
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// of the transition, so set a timeout to fade the warning out after a few moments.
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if (isApproved)
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this.warningFadeOutTimeout =
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setTimeout(
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function() {
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if (this.warningBox)
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this.warningBox.setAttribute("fade-warning-out", "true");
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}.bind(this),
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3000);
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},
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mouseoverToggle: function(aShow, forceHide)
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{
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// Don't do anything if:
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// a) we're already in the state we want,
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// b) we're animating and will become collapsed soon, or
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// c) we can't collapse because it would be undesirable right now
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if (aShow != this._isChromeCollapsed || (!aShow && this._isAnimating) ||
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(!aShow && !this._safeToCollapse(forceHide)))
|
|
return;
|
|
|
|
// browser.fullscreen.animateUp
|
|
// 0 - never animate up
|
|
// 1 - animate only for first collapse after entering fullscreen (default for perf's sake)
|
|
// 2 - animate every time it collapses
|
|
if (gPrefService.getIntPref("browser.fullscreen.animateUp") == 0)
|
|
this._shouldAnimate = false;
|
|
|
|
if (!aShow && this._shouldAnimate) {
|
|
this._isAnimating = true;
|
|
this._shouldAnimate = false;
|
|
this._animationTimeout = setTimeout(this._animateUp.bind(this), 800);
|
|
return;
|
|
}
|
|
|
|
// The chrome is collapsed so don't spam needless mousemove events
|
|
if (aShow) {
|
|
gBrowser.mPanelContainer.addEventListener("mousemove",
|
|
this._collapseCallback, false);
|
|
}
|
|
else {
|
|
gBrowser.mPanelContainer.removeEventListener("mousemove",
|
|
this._collapseCallback, false);
|
|
}
|
|
|
|
// Hiding/collapsing the toolbox interferes with the tab bar's scrollbox,
|
|
// so we just move it off-screen instead. See bug 430687.
|
|
gNavToolbox.style.marginTop =
|
|
aShow ? "" : -gNavToolbox.getBoundingClientRect().height + "px";
|
|
|
|
let toggler = document.getElementById("fullscr-toggler");
|
|
if (toggler) {
|
|
toggler.collapsed = aShow;
|
|
}
|
|
this._isChromeCollapsed = !aShow;
|
|
if (gPrefService.getIntPref("browser.fullscreen.animateUp") == 2)
|
|
this._shouldAnimate = true;
|
|
},
|
|
|
|
showXULChrome: function(aTag, aShow)
|
|
{
|
|
var els = document.getElementsByTagNameNS(this._XULNS, aTag);
|
|
|
|
for (let el of els) {
|
|
// XXX don't interfere with previously collapsed toolbars
|
|
if (el.getAttribute("fullscreentoolbar") == "true") {
|
|
if (!aShow) {
|
|
|
|
var toolbarMode = el.getAttribute("mode");
|
|
if (toolbarMode != "text") {
|
|
el.setAttribute("saved-mode", toolbarMode);
|
|
el.setAttribute("saved-iconsize", el.getAttribute("iconsize"));
|
|
el.setAttribute("mode", "icons");
|
|
el.setAttribute("iconsize", "small");
|
|
}
|
|
|
|
// 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 {
|
|
function restoreAttr(attrName) {
|
|
var savedAttr = "saved-" + attrName;
|
|
if (el.hasAttribute(savedAttr)) {
|
|
el.setAttribute(attrName, el.getAttribute(savedAttr));
|
|
el.removeAttribute(savedAttr);
|
|
}
|
|
}
|
|
|
|
restoreAttr("mode");
|
|
restoreAttr("iconsize");
|
|
restoreAttr("context");
|
|
|
|
el.removeAttribute("inFullscreen");
|
|
}
|
|
} else {
|
|
// use moz-collapsed so it doesn't persist hidden/collapsed,
|
|
// so that new windows don't have missing toolbars
|
|
if (aShow)
|
|
el.removeAttribute("moz-collapsed");
|
|
else
|
|
el.setAttribute("moz-collapsed", "true");
|
|
}
|
|
}
|
|
|
|
if (aShow) {
|
|
gNavToolbox.removeAttribute("inFullscreen");
|
|
document.documentElement.removeAttribute("inFullscreen");
|
|
} else {
|
|
gNavToolbox.setAttribute("inFullscreen", true);
|
|
document.documentElement.setAttribute("inFullscreen", true);
|
|
}
|
|
|
|
// In tabs-on-top mode, move window controls to the tab bar,
|
|
// and in tabs-on-bottom mode, move them back to the navigation toolbar.
|
|
// When there is a chance the tab bar may be collapsed, put window
|
|
// controls on nav bar.
|
|
var fullscreenctls = document.getElementById("window-controls");
|
|
var navbar = document.getElementById("nav-bar");
|
|
var ctlsOnTabbar = window.toolbar.visible &&
|
|
(navbar.collapsed ||
|
|
(TabsOnTop.enabled &&
|
|
!gPrefService.getBoolPref("browser.tabs.autoHide")));
|
|
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 = aShow;
|
|
}
|
|
};
|
|
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"
|
|
#ifdef XP_MACOSX
|
|
return parseFloat(Services.sysinfo.getProperty("version")) >= 11 &&
|
|
document.documentElement.getAttribute("fullscreenbutton") == "true";
|
|
#else
|
|
return false;
|
|
#endif
|
|
});
|