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Diffstat (limited to 'packages/vold-utils/lib/window-watcher.js')
-rw-r--r-- | packages/vold-utils/lib/window-watcher.js | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/packages/vold-utils/lib/window-watcher.js b/packages/vold-utils/lib/window-watcher.js deleted file mode 100644 index ab4f449..0000000 --- a/packages/vold-utils/lib/window-watcher.js +++ /dev/null @@ -1,91 +0,0 @@ -/* ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Twitter Address Bar Search. - * - * The Initial Developer of the Original Code is The Mozilla Foundation. - * Portions created by the Initial Developer are Copyright (C) 2011 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * Edward Lee <edilee@mozilla.com> - * Erik Vold <erikvvold@gmail.com> - * - * Alternatively, the contents of this file may be used under the terms of - * either the GNU General Public License Version 2 or later (the "GPL"), or - * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -const {Cu} = require("chrome"); -Cu.import("resource://gre/modules/Services.jsm", this); - -var {unload} = require("unload+"); - -/** - * Apply a callback to each open and new browser windows. - * - * @usage watchWindows(callback): Apply a callback to each browser window. - * @param [function] callback: 1-parameter function that gets a browser window. - */ -exports.watchWindows = function watchWindows(callback) { - // Wrap the callback in a function that ignores failures - function watcher(window) { - try { - // Now that the window has loaded, only handle browser windows - let {documentElement} = window.document; - if (documentElement.getAttribute("windowtype") == "navigator:browser") - callback(window); - } - catch(ex) {} - } - - // Wait for the window to finish loading before running the callback - function runOnLoad(window) { - // Listen for one load event before checking the window type - window.addEventListener("load", function runOnce() { - window.removeEventListener("load", runOnce, false); - watcher(window); - }, false); - } - - // Add functionality to existing windows - let windows = Services.wm.getEnumerator(null); - while (windows.hasMoreElements()) { - // Only run the watcher immediately if the window is completely loaded - let window = windows.getNext(); - if (window.document.readyState == "complete") - watcher(window); - // Wait for the window to load before continuing - else - runOnLoad(window); - } - - // Watch for new browser windows opening then wait for it to load - function windowWatcher(subject, topic) { - if (topic == "domwindowopened") - runOnLoad(subject); - } - Services.ww.registerNotification(windowWatcher); - - // Make sure to stop watching for windows if we're unloading - unload(function() Services.ww.unregisterNotification(windowWatcher)); -}; |