1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/toolkit/devtools/DevToolsExtensions.jsm Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,46 @@ 1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.7 +"use strict"; 1.8 + 1.9 +this.EXPORTED_SYMBOLS = ["gDevToolsExtensions"]; 1.10 + 1.11 +Components.utils.import("resource://gre/modules/Services.jsm"); 1.12 + 1.13 +let globalsCache = {}; 1.14 + 1.15 +this.gDevToolsExtensions = { 1.16 + addContentGlobal: function(options) { 1.17 + if (!options || !options.global || !options['inner-window-id']) { 1.18 + throw Error('Invalid arguments'); 1.19 + } 1.20 + let cache = getGlobalCache(options['inner-window-id']); 1.21 + cache.push(options.global); 1.22 + return undefined; 1.23 + }, 1.24 + getContentGlobals: function(options) { 1.25 + if (!options || !options['inner-window-id']) { 1.26 + throw Error('Invalid arguments'); 1.27 + } 1.28 + return Array.slice(globalsCache[options['inner-window-id']] || []); 1.29 + }, 1.30 + removeContentGlobal: function(options) { 1.31 + if (!options || !options.global || !options['inner-window-id']) { 1.32 + throw Error('Invalid arguments'); 1.33 + } 1.34 + let cache = getGlobalCache(options['inner-window-id']); 1.35 + let index = cache.indexOf(options.global); 1.36 + cache.splice(index, 1); 1.37 + return undefined; 1.38 + } 1.39 +}; 1.40 + 1.41 +function getGlobalCache(aInnerWindowID) { 1.42 + return globalsCache[aInnerWindowID] = globalsCache[aInnerWindowID] || []; 1.43 +} 1.44 + 1.45 +// when the window is destroyed, eliminate the associated globals cache 1.46 +Services.obs.addObserver(function observer(subject, topic, data) { 1.47 + let id = subject.QueryInterface(Components.interfaces.nsISupportsPRUint64).data; 1.48 + delete globalsCache[id]; 1.49 +}, 'inner-window-destroyed', false);