mirror of
https://github.com/mozilla/gecko-dev.git
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bd680dae70
--HG-- extra : source : e725a40fe72a7326d66a49d8015e41665e3717c2
500 lines
18 KiB
JavaScript
500 lines
18 KiB
JavaScript
# -*- indent-tabs-mode: nil; js-indent-level: 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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_MESSAGES: [
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"DOMFullscreen:Request",
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"DOMFullscreen:NewOrigin",
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"DOMFullscreen:Exit",
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"DOMFullscreen:Painted",
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],
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init: function() {
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// called when we go into full screen, even if initiated by a web page script
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window.addEventListener("fullscreen", this, true);
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window.addEventListener("MozDOMFullscreen:Entered", this,
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/* useCapture */ true,
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/* wantsUntrusted */ false);
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window.addEventListener("MozDOMFullscreen:Exited", this,
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/* useCapture */ true,
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/* wantsUntrusted */ false);
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for (let type of this._MESSAGES) {
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window.messageManager.addMessageListener(type, this);
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}
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if (window.fullScreen)
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this.toggle();
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},
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uninit: function() {
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for (let type of this._MESSAGES) {
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window.messageManager.removeMessageListener(type, this);
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}
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this.cleanup();
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},
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toggle: function () {
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var enterFS = window.fullScreen;
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// Toggle the View:FullScreen command, which controls elements like the
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// fullscreen menuitem, and menubars.
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let fullscreenCommand = document.getElementById("View:FullScreen");
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if (enterFS) {
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fullscreenCommand.setAttribute("checked", enterFS);
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} else {
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fullscreenCommand.removeAttribute("checked");
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}
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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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if (!this._fullScrToggler) {
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this._fullScrToggler = document.getElementById("fullscr-toggler");
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this._fullScrToggler.addEventListener("mouseover", this._expandCallback, false);
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this._fullScrToggler.addEventListener("dragenter", this._expandCallback, false);
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}
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if (enterFS) {
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gNavToolbox.setAttribute("inFullscreen", true);
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document.documentElement.setAttribute("inFullscreen", true);
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if (!document.mozFullScreen && this.useLionFullScreen)
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document.documentElement.setAttribute("OSXLionFullscreen", true);
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} else {
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gNavToolbox.removeAttribute("inFullscreen");
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document.documentElement.removeAttribute("inFullscreen");
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document.documentElement.removeAttribute("OSXLionFullscreen");
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}
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if (!document.mozFullScreen)
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this._updateToolbars(enterFS);
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if (enterFS) {
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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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// In DOM fullscreen mode, we hide toolbars with CSS
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if (!document.mozFullScreen)
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this.hideNavToolbox(true);
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}
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else {
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this.showNavToolbox(false);
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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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// In TabsInTitlebar._update(), we cancel the appearance update on
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// resize event for exiting fullscreen, since that happens before we
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// change the UI here in the "fullscreen" event. Hence we need to
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// call it here to ensure the appearance is properly updated. See
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// TabsInTitlebar._update() and bug 1173768.
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TabsInTitlebar.updateAppearance(true);
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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 "activate":
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if (document.mozFullScreen) {
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this.showWarning(this.fullscreenOrigin);
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}
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break;
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case "fullscreen":
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this.toggle();
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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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case "MozDOMFullscreen:Entered": {
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// The event target is the element which requested the DOM
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// fullscreen. If we were entering DOM fullscreen for a remote
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// browser, the target would be `gBrowser` and the original
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// target would be the browser which was the parameter of
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// `remoteFrameFullscreenChanged` call. If the fullscreen
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// request was initiated from an in-process browser, we need
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// to get its corresponding browser here.
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let browser;
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if (event.target == gBrowser) {
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browser = event.originalTarget;
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} else {
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let topWin = event.target.ownerDocument.defaultView.top;
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browser = gBrowser.getBrowserForContentWindow(topWin);
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}
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if (!browser || !this.enterDomFullscreen(browser)) {
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if (document.mozFullScreen) {
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// MozDOMFullscreen:Entered is dispatched synchronously in
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// fullscreen change, hence we have to avoid calling this
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// method synchronously here.
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setTimeout(() => document.mozCancelFullScreen(), 0);
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}
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break;
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}
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// If it is a remote browser, send a message to ask the content
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// to enter fullscreen state. We don't need to do so if it is an
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// in-process browser, since all related document should have
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// entered fullscreen state at this point.
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if (this._isRemoteBrowser(browser)) {
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browser.messageManager.sendAsyncMessage("DOMFullscreen:Entered");
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}
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break;
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}
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case "MozDOMFullscreen:Exited":
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this.cleanupDomFullscreen();
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break;
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}
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},
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receiveMessage: function(aMessage) {
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let browser = aMessage.target;
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switch (aMessage.name) {
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case "DOMFullscreen:Request": {
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this._windowUtils.remoteFrameFullscreenChanged(browser);
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break;
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}
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case "DOMFullscreen:NewOrigin": {
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this.showWarning(aMessage.data.originNoSuffix);
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break;
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}
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case "DOMFullscreen:Exit": {
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this._windowUtils.remoteFrameFullscreenReverted();
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break;
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}
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case "DOMFullscreen:Painted": {
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Services.obs.notifyObservers(window, "fullscreen-painted", "");
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break;
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}
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}
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},
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enterDomFullscreen : function(aBrowser) {
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if (!document.mozFullScreen)
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return false;
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// If we've received a fullscreen notification, we have to ensure that the
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// element that's requesting fullscreen belongs to the browser that's currently
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// active. If not, we exit fullscreen since the "full-screen document" isn't
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// actually visible now.
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if (gBrowser.selectedBrowser != aBrowser) {
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return false;
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}
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let focusManager = Services.focus;
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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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return false;
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}
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document.documentElement.setAttribute("inDOMFullscreen", true);
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if (gFindBarInitialized)
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gFindBar.close();
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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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// Add listener to detect when the fullscreen window is re-focused.
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// If a fullscreen window loses focus, we show a warning when the
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// fullscreen window is refocused.
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window.addEventListener("activate", this);
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return true;
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},
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cleanup: function () {
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if (!window.fullScreen) {
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MousePosTracker.removeListener(this);
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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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}
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},
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cleanupDomFullscreen: function () {
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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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window.removeEventListener("activate", this);
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document.documentElement.removeAttribute("inDOMFullscreen");
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window.messageManager
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.broadcastAsyncMessage("DOMFullscreen:CleanUp");
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},
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_isRemoteBrowser: function (aBrowser) {
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return gMultiProcessBrowser && aBrowser.getAttribute("remote") == "true";
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},
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get _windowUtils() {
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return window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils);
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},
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getMouseTargetRect: function()
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{
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return this._mouseTargetRect;
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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.showNavToolbox();
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},
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onMouseEnter: function()
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{
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FullScreen.hideNavToolbox();
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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.hideNavToolbox();
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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.showNavToolbox();
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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 () {
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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 (this._isPopupOpen)
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return false;
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// On OS X Lion we don't want to hide toolbars.
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if (this.useLionFullScreen)
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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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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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cancelWarning: function(event) {
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if (!this.warningBox)
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return;
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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 = null;
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},
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warningBox: null,
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warningFadeOutTimeout: null,
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// Shows a warning that the site has entered fullscreen for a short duration.
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showWarning: function(aOrigin) {
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if (!document.mozFullScreen)
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return;
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// Set the strings on the fullscreen warning UI.
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this.fullscreenOrigin = aOrigin;
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let uri = BrowserUtils.makeURI(aOrigin);
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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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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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} else {
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hostLabel.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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// Set a timeout to fade the warning out after a few moments.
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this.warningFadeOutTimeout = setTimeout(() => {
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if (this.warningBox) {
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this.warningBox.setAttribute("fade-warning-out", "true");
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}
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}, 3000);
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},
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showNavToolbox: function(trackMouse = true) {
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this._fullScrToggler.hidden = true;
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gNavToolbox.removeAttribute("fullscreenShouldAnimate");
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gNavToolbox.style.marginTop = "";
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if (!this._isChromeCollapsed) {
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return;
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}
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// Track whether mouse is near the toolbox
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if (trackMouse && !this.useLionFullScreen) {
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let rect = gBrowser.mPanelContainer.getBoundingClientRect();
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this._mouseTargetRect = {
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top: rect.top + 50,
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bottom: rect.bottom,
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left: rect.left,
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right: rect.right
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};
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MousePosTracker.addListener(this);
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}
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this._isChromeCollapsed = false;
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},
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hideNavToolbox: function (aAnimate = false) {
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if (this._isChromeCollapsed || !this._safeToCollapse())
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return;
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this._fullScrToggler.hidden = false;
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if (aAnimate && gPrefService.getBoolPref("browser.fullscreen.animate")) {
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gNavToolbox.setAttribute("fullscreenShouldAnimate", true);
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// Hide the fullscreen toggler until the transition ends.
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let listener = () => {
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gNavToolbox.removeEventListener("transitionend", listener, true);
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if (this._isChromeCollapsed)
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this._fullScrToggler.hidden = false;
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};
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gNavToolbox.addEventListener("transitionend", listener, true);
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this._fullScrToggler.hidden = true;
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}
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gNavToolbox.style.marginTop =
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-gNavToolbox.getBoundingClientRect().height + "px";
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this._isChromeCollapsed = true;
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MousePosTracker.removeListener(this);
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},
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_updateToolbars: function (aEnterFS) {
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for (let el of document.querySelectorAll("toolbar[fullscreentoolbar=true]")) {
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if (aEnterFS) {
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// Give the main nav bar and the tab bar the fullscreen context menu,
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// otherwise remove context menu to prevent breakage
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el.setAttribute("saved-context", el.getAttribute("context"));
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if (el.id == "nav-bar" || el.id == "TabsToolbar")
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el.setAttribute("context", "autohide-context");
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else
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el.removeAttribute("context");
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// Set the inFullscreen attribute to allow specific styling
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// in fullscreen mode
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el.setAttribute("inFullscreen", true);
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} else {
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if (el.hasAttribute("saved-context")) {
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el.setAttribute("context", el.getAttribute("saved-context"));
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el.removeAttribute("saved-context");
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}
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el.removeAttribute("inFullscreen");
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}
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}
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ToolbarIconColor.inferFromText();
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// For Lion fullscreen, all fullscreen controls are hidden, don't
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// bother to touch them. If we don't stop here, the following code
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// could cause the native fullscreen button be shown unexpectedly.
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// See bug 1165570.
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if (this.useLionFullScreen) {
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return;
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}
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var fullscreenctls = document.getElementById("window-controls");
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var navbar = document.getElementById("nav-bar");
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var ctlsOnTabbar = window.toolbar.visible;
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if (fullscreenctls.parentNode == navbar && ctlsOnTabbar) {
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fullscreenctls.removeAttribute("flex");
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document.getElementById("TabsToolbar").appendChild(fullscreenctls);
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}
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else if (fullscreenctls.parentNode.id == "TabsToolbar" && !ctlsOnTabbar) {
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fullscreenctls.setAttribute("flex", "1");
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navbar.appendChild(fullscreenctls);
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}
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fullscreenctls.hidden = !aEnterFS;
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}
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};
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XPCOMUtils.defineLazyGetter(FullScreen, "useLionFullScreen", function() {
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// We'll only use OS X Lion full screen if we're
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// * on OS X
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// * on Lion or higher (Darwin 11+)
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// * have fullscreenbutton="true"
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#ifdef XP_MACOSX
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return parseFloat(Services.sysinfo.getProperty("version")) >= 11 &&
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document.documentElement.getAttribute("fullscreenbutton") == "true";
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#else
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return false;
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#endif
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});
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