The Tor Browser: browser/modules/WebappManager.jsm@b8a032363ba2 (annotated)

browser/modules/WebappManager.jsm@b8a032363ba2 (annotated)

browser/modules/WebappManager.jsm

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* 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 = ["WebappManager"];
 let Ci = Components.interfaces;
 let Cc = Components.classes;
 let Cu = Components.utils;
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Webapps.jsm");
 Cu.import("resource://gre/modules/AppsUtils.jsm");
 Cu.import("resource://gre/modules/Task.jsm");
 Cu.import("resource://gre/modules/Promise.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "NativeApp",
   "resource://gre/modules/NativeApp.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "WebappOSUtils",
   "resource://gre/modules/WebappOSUtils.jsm");
 XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
                                    "@mozilla.org/childprocessmessagemanager;1",
                                    "nsIMessageSender");
 this.WebappManager = {
   // List of promises for in-progress installations
   installations: {},
   init: function() {
     Services.obs.addObserver(this, "webapps-ask-install", false);
     Services.obs.addObserver(this, "webapps-launch", false);
     Services.obs.addObserver(this, "webapps-uninstall", false);
     cpmm.addMessageListener("Webapps:Install:Return:OK", this);
     cpmm.addMessageListener("Webapps:Install:Return:KO", this);
     cpmm.addMessageListener("Webapps:UpdateState", this);
   },
   uninit: function() {
     Services.obs.removeObserver(this, "webapps-ask-install");
     Services.obs.removeObserver(this, "webapps-launch");
     Services.obs.removeObserver(this, "webapps-uninstall");
     cpmm.removeMessageListener("Webapps:Install:Return:OK", this);
     cpmm.removeMessageListener("Webapps:Install:Return:KO", this);
     cpmm.removeMessageListener("Webapps:UpdateState", this);
   },
   receiveMessage: function(aMessage) {
     let data = aMessage.data;
     let manifestURL = data.manifestURL ||
                       (data.app && data.app.manifestURL) ||
                       data.manifest;
     if (!this.installations[manifestURL]) {
       return;
     }
     if (aMessage.name == "Webapps:UpdateState") {
       if (data.error) {
         this.installations[manifestURL].reject(data.error);
       } else if (data.app.installState == "installed") {
         this.installations[manifestURL].resolve();
       }
     } else if (aMessage.name == "Webapps:Install:Return:OK" &&
                !data.isPackage) {
       let manifest = new ManifestHelper(data.app.manifest, data.app.origin);
       if (!manifest.appcache_path) {
         this.installations[manifestURL].resolve();
       }
     } else if (aMessage.name == "Webapps:Install:Return:KO") {
       this.installations[manifestURL].reject(data.error);
     }
   },
   observe: function(aSubject, aTopic, aData) {
     let data = JSON.parse(aData);
     data.mm = aSubject;
     switch(aTopic) {
       case "webapps-ask-install":
         let win = this._getWindowForId(data.oid);
         if (win && win.location.href == data.from) {
           this.doInstall(data, win);
         }
         break;
       case "webapps-launch":
         WebappOSUtils.launch(data);
         break;
       case "webapps-uninstall":
         WebappOSUtils.uninstall(data);
         break;
     }
   },
   _getWindowForId: function(aId) {
     let someWindow = Services.wm.getMostRecentWindow(null);
     return someWindow && Services.wm.getOuterWindowWithId(aId);
   },
   doInstall: function(aData, aWindow) {
     let browser = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
                          .getInterface(Ci.nsIWebNavigation)
                          .QueryInterface(Ci.nsIDocShell)
                          .chromeEventHandler;
     let chromeDoc = browser.ownerDocument;
     let chromeWin = chromeDoc.defaultView;
     let popupProgressContent =
       chromeDoc.getElementById("webapps-install-progress-content");
     let bundle = chromeWin.gNavigatorBundle;
     let jsonManifest = aData.isPackage ? aData.app.updateManifest : aData.app.manifest;
     let notification;
     let mainAction = {
       label: bundle.getString("webapps.install"),
       accessKey: bundle.getString("webapps.install.accesskey"),
       callback: () => {
         notification.remove();
         notification = chromeWin.PopupNotifications.
                         show(browser,
                              "webapps-install-progress",
                              bundle.getString("webapps.install.inprogress"),
                              "webapps-notification-icon");
         let progressMeter = chromeDoc.createElement("progressmeter");
         progressMeter.setAttribute("mode", "undetermined");
         popupProgressContent.appendChild(progressMeter);
         let manifestURL = aData.app.manifestURL;
         let cleanup = () => {
           popupProgressContent.removeChild(progressMeter);
           delete this.installations[manifestURL];
           if (Object.getOwnPropertyNames(this.installations).length == 0) {
             notification.remove();
           }
         };
         this.installations[manifestURL] = Promise.defer();
         this.installations[manifestURL].promise.then(null, (error) => {
           Cu.reportError("Error installing webapp: " + error);
           cleanup();
         });
         let nativeApp = new NativeApp(aData.app, jsonManifest,
                                       aData.app.categories);
         let localDir;
         try {
           localDir = nativeApp.createProfile();
         } catch (ex) {
           Cu.reportError("Error installing webapp: " + ex);
           DOMApplicationRegistry.denyInstall(aData);
           cleanup();
           return;
         }
         DOMApplicationRegistry.confirmInstall(aData, localDir,
           (aManifest, aZipPath) => Task.spawn((function*() {
             try {
               yield nativeApp.install(aManifest, aZipPath);
               yield this.installations[manifestURL].promise;
               notifyInstallSuccess(aData.app, nativeApp, bundle);
             } catch (ex) {
               Cu.reportError("Error installing webapp: " + ex);
               // TODO: Notify user that the installation has failed
             } finally {
               cleanup();
             }
           }).bind(this))
         );
       }
     };
     let requestingURI = chromeWin.makeURI(aData.from);
     let manifest = new ManifestHelper(jsonManifest, aData.app.origin);
     let host;
     try {
       host = requestingURI.host;
     } catch(e) {
       host = requestingURI.spec;
     }
     let message = bundle.getFormattedString("webapps.requestInstall",
                                             [manifest.name, host], 2);
     notification = chromeWin.PopupNotifications.show(browser,
                                                      "webapps-install",
                                                      message,
                                                      "webapps-notification-icon",
                                                      mainAction);
   }
 }
 function notifyInstallSuccess(aApp, aNativeApp, aBundle) {
   let launcher = {
     observe: function(aSubject, aTopic) {
       if (aTopic == "alertclickcallback") {
         WebappOSUtils.launch(aApp);
       }
     }
   };
   try {
     let notifier = Cc["@mozilla.org/alerts-service;1"].
                    getService(Ci.nsIAlertsService);
     notifier.showAlertNotification(aNativeApp.iconURI.spec,
                                    aBundle.getString("webapps.install.success"),
                                    aNativeApp.appNameAsFilename,
                                    true, null, launcher);
   } catch (ex) {}
 }

The Tor Browser / annotate

browser/modules/WebappManager.jsm@b8a032363ba2 (annotated)

browser/modules/WebappManager.jsm