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webapprt/WebappRT.jsm@ca08bd8f51b2 (annotated)

webapprt/WebappRT.jsm

Wed, 31 Dec 2014 06:55:46 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:55:46 +0100

changeset 1

ca08bd8f51b2

permissions

-rw-r--r--

Added tag TORBROWSER_REPLICA for changeset 6474c204b198

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0	3	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	this.EXPORTED_SYMBOLS = ["WebappRT"];
michael@0	6
michael@0	7	const Cc = Components.classes;
michael@0	8	const Ci = Components.interfaces;
michael@0	9	const Cu = Components.utils;
michael@0	10
michael@0	11	Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0	12	Cu.import("resource://gre/modules/Services.jsm");
michael@0	13	Cu.import("resource://gre/modules/AppsUtils.jsm");
michael@0	14
michael@0	15	XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
michael@0	16	"resource://gre/modules/FileUtils.jsm");
michael@0	17
michael@0	18	XPCOMUtils.defineLazyModuleGetter(this, "OS",
michael@0	19	"resource://gre/modules/osfile.jsm");
michael@0	20
michael@0	21	XPCOMUtils.defineLazyModuleGetter(this, "Task",
michael@0	22	"resource://gre/modules/Task.jsm");
michael@0	23
michael@0	24	XPCOMUtils.defineLazyModuleGetter(this, 'NativeApp',
michael@0	25	'resource://gre/modules/NativeApp.jsm');
michael@0	26
michael@0	27	XPCOMUtils.defineLazyServiceGetter(this, "appsService",
michael@0	28	"@mozilla.org/AppsService;1",
michael@0	29	"nsIAppsService");
michael@0	30
michael@0	31	this.WebappRT = {
michael@0	32	get launchURI() {
michael@0	33	return this.localeManifest.fullLaunchPath();
michael@0	34	},
michael@0	35
michael@0	36	get localeManifest() {
michael@0	37	return new ManifestHelper(this.config.app.manifest,
michael@0	38	this.config.app.origin);
michael@0	39	},
michael@0	40
michael@0	41	get appID() {
michael@0	42	let manifestURL = WebappRT.config.app.manifestURL;
michael@0	43	if (!manifestURL) {
michael@0	44	return Ci.nsIScriptSecurityManager.NO_APP_ID;
michael@0	45	}
michael@0	46
michael@0	47	return appsService.getAppLocalIdByManifestURL(manifestURL);
michael@0	48	},
michael@0	49
michael@0	50	loadConfig: function() {
michael@0	51	if (this.config) {
michael@0	52	return;
michael@0	53	}
michael@0	54
michael@0	55	let webappJson = OS.Path.join(Services.dirsvc.get("AppRegD", Ci.nsIFile).path,
michael@0	56	"webapp.json");
michael@0	57	this.config = yield AppsUtils.loadJSONAsync(webappJson);
michael@0	58	},
michael@0	59
michael@0	60	isUpdatePending: Task.async(function*() {
michael@0	61	let webappJson = OS.Path.join(Services.dirsvc.get("AppRegD", Ci.nsIFile).path,
michael@0	62	"update", "webapp.json");
michael@0	63
michael@0	64	if (!(yield OS.File.exists(webappJson))) {
michael@0	65	return false;
michael@0	66	}
michael@0	67
michael@0	68	return true;
michael@0	69	}),
michael@0	70
michael@0	71	applyUpdate: Task.async(function*() {
michael@0	72	let webappJson = OS.Path.join(Services.dirsvc.get("AppRegD", Ci.nsIFile).path,
michael@0	73	"update", "webapp.json");
michael@0	74	let config = yield AppsUtils.loadJSONAsync(webappJson);
michael@0	75
michael@0	76	let nativeApp = new NativeApp(config.app, config.app.manifest,
michael@0	77	config.app.categories,
michael@0	78	config.registryDir);
michael@0	79	try {
michael@0	80	yield nativeApp.applyUpdate();
michael@0	81	} catch (ex) {
michael@0	82	return false;
michael@0	83	}
michael@0	84
michael@0	85	// The update has been applied successfully, the new config file
michael@0	86	// is the config file that was in the update directory.
michael@0	87	this.config = config;
michael@0	88
michael@0	89	return true;
michael@0	90	}),
michael@0	91
michael@0	92	startUpdateService: function() {
michael@0	93	let manifestURL = WebappRT.config.app.manifestURL;
michael@0	94	// We used to install apps without storing their manifest URL.
michael@0	95	// Now we can't update them.
michael@0	96	if (!manifestURL) {
michael@0	97	return;
michael@0	98	}
michael@0	99
michael@0	100	// Check for updates once a day.
michael@0	101	let timerManager = Cc["@mozilla.org/updates/timer-manager;1"].
michael@0	102	getService(Ci.nsIUpdateTimerManager);
michael@0	103	timerManager.registerTimer("updateTimer", () => {
michael@0	104	let window = Services.wm.getMostRecentWindow("webapprt:webapp");
michael@0	105	window.navigator.mozApps.mgmt.getAll().onsuccess = function() {
michael@0	106	let thisApp = null;
michael@0	107	for (let app of this.result) {
michael@0	108	if (app.manifestURL == manifestURL) {
michael@0	109	thisApp = app;
michael@0	110	break;
michael@0	111	}
michael@0	112	}
michael@0	113
michael@0	114	// This shouldn't happen if the app is installed.
michael@0	115	if (!thisApp) {
michael@0	116	Cu.reportError("Couldn't find the app in the webapps registry");
michael@0	117	return;
michael@0	118	}
michael@0	119
michael@0	120	thisApp.ondownloadavailable = () => {
michael@0	121	// Download available, download it!
michael@0	122	thisApp.download();
michael@0	123	};
michael@0	124
michael@0	125	thisApp.ondownloadsuccess = () => {
michael@0	126	// Update downloaded, apply it!
michael@0	127	window.navigator.mozApps.mgmt.applyDownload(thisApp);
michael@0	128	};
michael@0	129
michael@0	130	thisApp.ondownloadapplied = () => {
michael@0	131	// Application updated, nothing to do.
michael@0	132	};
michael@0	133
michael@0	134	thisApp.checkForUpdate();
michael@0	135	}
michael@0	136	}, 24 * 60 * 60);
michael@0	137	},
michael@0	138	};