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131 lines
3.9 KiB
JavaScript
131 lines
3.9 KiB
JavaScript
/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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'use strict';
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/**
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* B2G-specific actors.
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*/
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/**
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* Construct a root actor appropriate for use in a server running in B2G. The
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* returned root actor:
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* - respects the factories registered with DebuggerServer.addGlobalActor,
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* - uses a ContentTabList to supply tab actors,
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* - sends all navigator:browser window documents a Debugger:Shutdown event
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* when it exits.
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*
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* * @param connection DebuggerServerConnection
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* The conection to the client.
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*/
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function createRootActor(connection)
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{
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let parameters = {
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#ifndef MOZ_WIDGET_GONK
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tabList: new ContentTabList(connection),
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#else
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tabList: [],
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#endif
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globalActorFactories: DebuggerServer.globalActorFactories,
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onShutdown: sendShutdownEvent
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};
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let root = new RootActor(connection, parameters);
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root.applicationType = "operating-system";
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return root;
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}
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/**
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* A live list of BrowserTabActors representing the current browser tabs,
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* to be provided to the root actor to answer 'listTabs' requests. In B2G,
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* only a single tab is ever present.
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*
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* @param connection DebuggerServerConnection
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* The connection in which this list's tab actors may participate.
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*
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* @see BrowserTabList for more a extensive description of how tab list objects
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* work.
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*/
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function ContentTabList(connection)
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{
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BrowserTabList.call(this, connection);
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}
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ContentTabList.prototype = Object.create(BrowserTabList.prototype);
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ContentTabList.prototype.constructor = ContentTabList;
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ContentTabList.prototype.iterator = function() {
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let browser = Services.wm.getMostRecentWindow('navigator:browser');
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// Do we have an existing actor for this browser? If not, create one.
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let actor = this._actorByBrowser.get(browser);
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if (!actor) {
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actor = new ContentTabActor(this._connection, browser);
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this._actorByBrowser.set(browser, actor);
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actor.selected = true;
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}
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yield actor;
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};
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ContentTabList.prototype.onCloseWindow = makeInfallible(function(aWindow) {
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/*
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* nsIWindowMediator deadlocks if you call its GetEnumerator method from
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* a nsIWindowMediatorListener's onCloseWindow hook (bug 873589), so
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* handle the close in a different tick.
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*/
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Services.tm.currentThread.dispatch(makeInfallible(() => {
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/*
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* Scan the entire map for actors representing tabs that were in this
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* top-level window, and exit them.
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*/
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for (let [browser, actor] of this._actorByBrowser) {
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this._handleActorClose(actor, browser);
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}
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}, "ContentTabList.prototype.onCloseWindow's delayed body"), 0);
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}, "ContentTabList.prototype.onCloseWindow");
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/**
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* Creates a tab actor for handling requests to the single tab, like
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* attaching and detaching. ContentTabActor respects the actor factories
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* registered with DebuggerServer.addTabActor.
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*
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* @param connection DebuggerServerConnection
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* The conection to the client.
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* @param browser browser
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* The browser instance that contains this tab.
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*/
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function ContentTabActor(connection, browser)
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{
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BrowserTabActor.call(this, connection, browser);
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}
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ContentTabActor.prototype.constructor = ContentTabActor;
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ContentTabActor.prototype = Object.create(BrowserTabActor.prototype);
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Object.defineProperty(ContentTabActor.prototype, "title", {
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get: function() {
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return this.browser.title;
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},
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enumerable: true,
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configurable: false
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});
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Object.defineProperty(ContentTabActor.prototype, "url", {
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get: function() {
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return this.browser.document.documentURI;
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},
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enumerable: true,
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configurable: false
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});
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Object.defineProperty(ContentTabActor.prototype, "window", {
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get: function() {
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return this.browser;
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},
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enumerable: true,
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configurable: false
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});
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