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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* 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";
var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/SystemAppProxy.jsm");
function debug(aStr) {
// dump(" -*- ShellRemote.js: " + aStr + "\n");
}
var remoteShell = {
_started: false,
get homeURL() {
let systemAppManifestURL = Services.io.newURI(this.systemAppManifestURL, null, null);
let shellRemoteURL = Services.prefs.getCharPref("b2g.multiscreen.system_remote_url");
shellRemoteURL = Services.io.newURI(shellRemoteURL, null, systemAppManifestURL);
return shellRemoteURL.spec;
},
get systemAppManifestURL() {
return Services.prefs.getCharPref("b2g.system_manifest_url");
},
hasStarted: function () {
return this._started;
},
start: function () {
this._started = true;
this._isEventListenerReady = false;
this.id = window.location.hash.substring(1);
let homeURL = this.homeURL;
if (!homeURL) {
debug("ERROR! Remote home URL undefined.");
return;
}
let manifestURL = this.systemAppManifestURL;
// <html:iframe id="this.id"
// mozbrowser="true"
// allowfullscreen="true"
// src="blank.html"/>
let systemAppFrame =
document.createElementNS("http://www.w3.org/1999/xhtml", "html:iframe");
systemAppFrame.setAttribute("id", this.id);
systemAppFrame.setAttribute("mozbrowser", "true");
systemAppFrame.setAttribute("mozapp", manifestURL);
systemAppFrame.setAttribute("allowfullscreen", "true");
systemAppFrame.setAttribute("src", "blank.html");
let container = document.getElementById("container");
this.contentBrowser = container.appendChild(systemAppFrame);
this.contentBrowser.src = homeURL + window.location.hash;
window.addEventListener("unload", this);
this.contentBrowser.addEventListener("mozbrowserloadstart", this);
},
stop: function () {
window.removeEventListener("unload", this);
this.contentBrowser.removeEventListener("mozbrowserloadstart", this);
this.contentBrowser.removeEventListener("mozbrowserlocationchange", this, true);
SystemAppProxy.unregisterFrameWithId(this.id);
},
notifyContentStart: function(evt) {
this.contentBrowser.removeEventListener("mozbrowserloadstart", this);
this.contentBrowser.removeEventListener("mozbrowserlocationchange", this, true);
SystemAppProxy.registerFrameWithId(remoteShell.id, remoteShell.contentBrowser);
SystemAppProxy.addEventListenerWithId(this.id, "mozContentEvent", this);
let content = this.contentBrowser.contentWindow;
content.addEventListener("load", this, true);
},
notifyContentWindowLoaded: function () {
SystemAppProxy.setIsLoadedWithId(this.id);
},
notifyEventListenerReady: function () {
if (this._isEventListenerReady) {
Cu.reportError("shell_remote.js: SystemApp has already been declared as being ready.");
return;
}
this._isEventListenerReady = true;
SystemAppProxy.setIsReadyWithId(this.id);
},
handleEvent: function(evt) {
debug("Got an event: " + evt.type);
let content = this.contentBrowser.contentWindow;
switch(evt.type) {
case "mozContentEvent":
if (evt.detail.type === "system-message-listener-ready") {
this.notifyEventListenerReady();
}
break;
case "load":
if (content.document.location == "about:blank") {
return;
}
content.removeEventListener("load", this, true);
this.notifyContentWindowLoaded();
break;
case "mozbrowserloadstart":
if (content.document.location == "about:blank") {
this.contentBrowser.addEventListener("mozbrowserlocationchange", this, true);
return;
}
case "mozbrowserlocationchange":
if (content.document.location == "about:blank") {
return;
}
this.notifyContentStart();
break;
case "unload":
this.stop();
break;
}
}
};
window.onload = function() {
if (remoteShell.hasStarted() == false) {
remoteShell.start();
}
};
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