1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/webapprt/WebappRT.jsm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,138 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +this.EXPORTED_SYMBOLS = ["WebappRT"];
1.9 +
1.10 +const Cc = Components.classes;
1.11 +const Ci = Components.interfaces;
1.12 +const Cu = Components.utils;
1.13 +
1.14 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.15 +Cu.import("resource://gre/modules/Services.jsm");
1.16 +Cu.import("resource://gre/modules/AppsUtils.jsm");
1.17 +
1.18 +XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
1.19 + "resource://gre/modules/FileUtils.jsm");
1.20 +
1.21 +XPCOMUtils.defineLazyModuleGetter(this, "OS",
1.22 + "resource://gre/modules/osfile.jsm");
1.23 +
1.24 +XPCOMUtils.defineLazyModuleGetter(this, "Task",
1.25 + "resource://gre/modules/Task.jsm");
1.26 +
1.27 +XPCOMUtils.defineLazyModuleGetter(this, 'NativeApp',
1.28 + 'resource://gre/modules/NativeApp.jsm');
1.29 +
1.30 +XPCOMUtils.defineLazyServiceGetter(this, "appsService",
1.31 + "@mozilla.org/AppsService;1",
1.32 + "nsIAppsService");
1.33 +
1.34 +this.WebappRT = {
1.35 + get launchURI() {
1.36 + return this.localeManifest.fullLaunchPath();
1.37 + },
1.38 +
1.39 + get localeManifest() {
1.40 + return new ManifestHelper(this.config.app.manifest,
1.41 + this.config.app.origin);
1.42 + },
1.43 +
1.44 + get appID() {
1.45 + let manifestURL = WebappRT.config.app.manifestURL;
1.46 + if (!manifestURL) {
1.47 + return Ci.nsIScriptSecurityManager.NO_APP_ID;
1.48 + }
1.49 +
1.50 + return appsService.getAppLocalIdByManifestURL(manifestURL);
1.51 + },
1.52 +
1.53 + loadConfig: function() {
1.54 + if (this.config) {
1.55 + return;
1.56 + }
1.57 +
1.58 + let webappJson = OS.Path.join(Services.dirsvc.get("AppRegD", Ci.nsIFile).path,
1.59 + "webapp.json");
1.60 + this.config = yield AppsUtils.loadJSONAsync(webappJson);
1.61 + },
1.62 +
1.63 + isUpdatePending: Task.async(function*() {
1.64 + let webappJson = OS.Path.join(Services.dirsvc.get("AppRegD", Ci.nsIFile).path,
1.65 + "update", "webapp.json");
1.66 +
1.67 + if (!(yield OS.File.exists(webappJson))) {
1.68 + return false;
1.69 + }
1.70 +
1.71 + return true;
1.72 + }),
1.73 +
1.74 + applyUpdate: Task.async(function*() {
1.75 + let webappJson = OS.Path.join(Services.dirsvc.get("AppRegD", Ci.nsIFile).path,
1.76 + "update", "webapp.json");
1.77 + let config = yield AppsUtils.loadJSONAsync(webappJson);
1.78 +
1.79 + let nativeApp = new NativeApp(config.app, config.app.manifest,
1.80 + config.app.categories,
1.81 + config.registryDir);
1.82 + try {
1.83 + yield nativeApp.applyUpdate();
1.84 + } catch (ex) {
1.85 + return false;
1.86 + }
1.87 +
1.88 + // The update has been applied successfully, the new config file
1.89 + // is the config file that was in the update directory.
1.90 + this.config = config;
1.91 +
1.92 + return true;
1.93 + }),
1.94 +
1.95 + startUpdateService: function() {
1.96 + let manifestURL = WebappRT.config.app.manifestURL;
1.97 + // We used to install apps without storing their manifest URL.
1.98 + // Now we can't update them.
1.99 + if (!manifestURL) {
1.100 + return;
1.101 + }
1.102 +
1.103 + // Check for updates once a day.
1.104 + let timerManager = Cc["@mozilla.org/updates/timer-manager;1"].
1.105 + getService(Ci.nsIUpdateTimerManager);
1.106 + timerManager.registerTimer("updateTimer", () => {
1.107 + let window = Services.wm.getMostRecentWindow("webapprt:webapp");
1.108 + window.navigator.mozApps.mgmt.getAll().onsuccess = function() {
1.109 + let thisApp = null;
1.110 + for (let app of this.result) {
1.111 + if (app.manifestURL == manifestURL) {
1.112 + thisApp = app;
1.113 + break;
1.114 + }
1.115 + }
1.116 +
1.117 + // This shouldn't happen if the app is installed.
1.118 + if (!thisApp) {
1.119 + Cu.reportError("Couldn't find the app in the webapps registry");
1.120 + return;
1.121 + }
1.122 +
1.123 + thisApp.ondownloadavailable = () => {
1.124 + // Download available, download it!
1.125 + thisApp.download();
1.126 + };
1.127 +
1.128 + thisApp.ondownloadsuccess = () => {
1.129 + // Update downloaded, apply it!
1.130 + window.navigator.mozApps.mgmt.applyDownload(thisApp);
1.131 + };
1.132 +
1.133 + thisApp.ondownloadapplied = () => {
1.134 + // Application updated, nothing to do.
1.135 + };
1.136 +
1.137 + thisApp.checkForUpdate();
1.138 + }
1.139 + }, 24 * 60 * 60);
1.140 + },
1.141 +};
