gecko/dom/apps/src/AppsServiceChild.jsm
Ryan VanderMeulen 2f0f166eb1 Backed out 4 changesets (bug 993282) for bringing back bug 1008357 on a CLOSED TREE.
Backed out changeset b67f3001c73d (bug 993282)
Backed out changeset b9ca30286579 (bug 993282)
Backed out changeset 41fe339ca4ea (bug 993282)
Backed out changeset 2a6184672f1e (bug 993282)
2014-06-03 14:32:10 -04:00

123 lines
3.9 KiB
JavaScript

/* 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 Cu = Components.utils;
const Cc = Components.classes;
const Ci = Components.interfaces;
// This module exposes a subset of the functionnalities of the parent DOM
// Registry to content processes, to be be used from the AppsService component.
this.EXPORTED_SYMBOLS = ["DOMApplicationRegistry"];
Cu.import("resource://gre/modules/AppsUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
function debug(s) {
//dump("-*- AppsServiceChild.jsm: " + s + "\n");
}
this.DOMApplicationRegistry = {
init: function init() {
debug("init");
this.cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
.getService(Ci.nsISyncMessageSender);
["Webapps:AddApp", "Webapps:RemoveApp"].forEach((function(aMsgName) {
this.cpmm.addMessageListener(aMsgName, this);
}).bind(this));
// We need to prime the cache with the list of apps.
// XXX shoud we do this async and block callers if it's not yet there?
this.webapps = this.cpmm.sendSyncMessage("Webapps:GetList", { })[0];
// We need a fast mapping from localId -> app, so we add an index.
this.localIdIndex = { };
for (let id in this.webapps) {
let app = this.webapps[id];
this.localIdIndex[app.localId] = app;
}
Services.obs.addObserver(this, "xpcom-shutdown", false);
},
observe: function(aSubject, aTopic, aData) {
// cpmm.addMessageListener causes the DOMApplicationRegistry object to live
// forever if we don't clean up properly.
this.webapps = null;
["Webapps:AddApp", "Webapps:RemoveApp"].forEach((function(aMsgName) {
this.cpmm.removeMessageListener(aMsgName, this);
}).bind(this));
},
receiveMessage: function receiveMessage(aMessage) {
debug("Received " + aMessage.name + " message.");
let msg = aMessage.json;
switch (aMessage.name) {
case "Webapps:AddApp":
this.webapps[msg.id] = msg.app;
this.localIdIndex[msg.app.localId] = msg.app;
break;
case "Webapps:RemoveApp":
delete this.localIdIndex[this.webapps[msg.id].localId];
delete this.webapps[msg.id];
break;
}
},
getAppByManifestURL: function getAppByManifestURL(aManifestURL) {
debug("getAppByManifestURL " + aManifestURL);
return AppsUtils.getAppByManifestURL(this.webapps, aManifestURL);
},
getAppLocalIdByManifestURL: function getAppLocalIdByManifestURL(aManifestURL) {
debug("getAppLocalIdByManifestURL " + aManifestURL);
return AppsUtils.getAppLocalIdByManifestURL(this.webapps, aManifestURL);
},
getCSPByLocalId: function(aLocalId) {
debug("getCSPByLocalId:" + aLocalId);
return AppsUtils.getCSPByLocalId(this.webapps, aLocalId);
},
getAppLocalIdByStoreId: function(aStoreId) {
debug("getAppLocalIdByStoreId:" + aStoreId);
return AppsUtils.getAppLocalIdByStoreId(this.webapps, aStoreId);
},
getAppByLocalId: function getAppByLocalId(aLocalId) {
debug("getAppByLocalId " + aLocalId);
let app = this.localIdIndex[aLocalId];
if (!app) {
debug("Ouch, No app!");
return null;
}
return new mozIApplication(app);
},
getManifestURLByLocalId: function getManifestURLByLocalId(aLocalId) {
debug("getManifestURLByLocalId " + aLocalId);
return AppsUtils.getManifestURLByLocalId(this.webapps, aLocalId);
},
getCoreAppsBasePath: function getCoreAppsBasePath() {
debug("getCoreAppsBasePath() not yet supported on child!");
return null;
},
getWebAppsBasePath: function getWebAppsBasePath() {
debug("getWebAppsBasePath() not yet supported on child!");
return null;
},
getAppInfo: function getAppInfo(aAppId) {
return AppsUtils.getAppInfo(this.webapps, aAppId);
}
}
DOMApplicationRegistry.init();