gecko/browser/metro/base/content/dbg-metro-actors.js

67 lines
2.1 KiB
JavaScript

/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const error = Components.utils.reportError;
/* Metrofx specific actors, modelled from the android fennec actors */
/** aConnection DebuggerServerConnection, the conection to the client.
*/
function createRootActor(aConnection) {
let parameters = {
tabList: new MetroTabList(aConnection),
globalActorFactories: DebuggerServer.globalActorFactories,
onShutdown: sendShutdownEvent
};
return new RootActor(aConnection, parameters);
}
/** aConnection DebuggerServerConnection, the conection to the client.
*/
function MetroTabList(aConnection) {
BrowserTabList.call(this, aConnection);
}
MetroTabList.prototype = Object.create(BrowserTabList.prototype);
MetroTabList.prototype.constructor = MetroTabList;
/**
* We want to avoid mysterious behavior if tabs are closed or opened mid-iteration.
* We want at the end, a list of the actors that were live when we began the iteration.
* So, we update the map first, iterate over it again to yield the actors.
*/
MetroTabList.prototype.iterator = function() {
let initialMapSize = this._actorByBrowser.size;
let foundCount = 0;
for (let win of allAppShellDOMWindows("navigator:browser")) {
let selectedTab = win.Browser.selectedBrowser;
for (let browser of win.Browser.browsers) {
let actor = this._actorByBrowser.get(browser);
if (actor) {
foundCount++;
} else {
actor = new BrowserTabActor(this._connection, browser);
this._actorByBrowser.set(browser, actor);
}
// Set the 'selected' properties on all actors correctly.
actor.selected = (browser === selectedTab);
}
}
if (this._testing && initialMapSize !== foundCount) {
throw error("_actorByBrowser map contained actors for dead tabs");
}
this._mustNotify = true;
this._checkListening();
for (let [browser, actor] of this._actorByBrowser) {
yield actor;
}
};