Revision 8bd032338d4c6a3f51bf8f5da429fd06b30ffe12 authored by ffxbld on 21 December 2013, 11:15:16 UTC, committed by ffxbld on 21 December 2013, 11:15:16 UTC
1 parent b82e81c
WebappRT.jsm
/* 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/. */
this.EXPORTED_SYMBOLS = ["WebappRT"];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/AppsUtils.jsm");
XPCOMUtils.defineLazyGetter(this, "FileUtils", function() {
Cu.import("resource://gre/modules/FileUtils.jsm");
return FileUtils;
});
this.WebappRT = {
_config: null,
get config() {
if (this._config)
return this._config;
let webappFile = FileUtils.getFile("AppRegD", ["webapp.json"]);
let inputStream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
inputStream.init(webappFile, -1, 0, 0);
let json = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON);
let config = json.decodeFromStream(inputStream, webappFile.fileSize);
return this._config = config;
},
// This exists to support test mode, which installs webapps after startup.
// Ideally we wouldn't have to have a setter, as tests can just delete
// the getter and then set the property. But the object to which they set it
// will have a reference to its global object, so our reference to it
// will leak that object (per bug 780674). The setter enables us to clone
// the new value so we don't actually retain a reference to it.
set config(newVal) {
this._config = JSON.parse(JSON.stringify(newVal));
},
get launchURI() {
let manifest = new ManifestHelper(this.config.app.manifest,
this.config.app.origin);
return manifest.fullLaunchPath();
}
};
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