webapprt/WebappManager.jsm

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 "use strict";
   6
   7 this.EXPORTED_SYMBOLS = ["WebappManager"];
   8
   9 let Cc = Components.classes;
  10 let Ci = Components.interfaces;
  11 let Cu = Components.utils;
  12
  13 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
  14 Cu.import("resource://gre/modules/Services.jsm");
  15 Cu.import("resource://gre/modules/Webapps.jsm");
  16 Cu.import("resource://gre/modules/AppsUtils.jsm");
  17 Cu.import("resource://gre/modules/NativeApp.jsm");
  18 Cu.import("resource://gre/modules/WebappOSUtils.jsm");
  19 Cu.import("resource://webapprt/modules/WebappRT.jsm");
  20
  21 this.WebappManager = {
  22   observe: function(aSubject, aTopic, aData) {
  23     let data = JSON.parse(aData);
  24     data.mm = aSubject;
  25
  26     let chromeWin;
  27     switch (aTopic) {
  28       case "webapps-ask-install":
  29         chromeWin = Services.wm.getOuterWindowWithId(data.oid);
  30         if (chromeWin)
  31           this.doInstall(data, chromeWin);
  32         break;
  33       case "webapps-ask-uninstall":
  34         chromeWin = Services.wm.getOuterWindowWithId(data.windowId);
  35         if (chromeWin) {
  36           this.doUninstall(data, chromeWin);
  37         }
  38         break;
  39       case "webapps-launch":
  40         WebappOSUtils.launch(data);
  41         break;
  42       case "webapps-uninstall":
  43         WebappOSUtils.uninstall(data);
  44         break;
  45     }
  46   },
  47
  48   update: function(aApp, aManifest, aZipPath) {
  49     let nativeApp = new NativeApp(aApp, aManifest,
  50                                   WebappRT.config.app.categories,
  51                                   WebappRT.config.registryDir);
  52     nativeApp.prepareUpdate(aApp, aManifest, aZipPath);
  53   },
  54
  55   doInstall: function(data, window) {
  56     let jsonManifest = data.isPackage ? data.app.updateManifest : data.app.manifest;
  57     let manifest =
  58       new ManifestHelper(jsonManifest, data.app.origin, data.app.manifestURL);
  59     let name = manifest.name;
  60     let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
  61
  62     let choice = Services.prompt.confirmEx(
  63       window,
  64       bundle.formatStringFromName("webapps.install.title", [name], 1),
  65       bundle.formatStringFromName("webapps.install.description", [name], 1),
  66       // Set both buttons to strings with the cancel button being default
  67       Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
  68         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
  69         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
  70       bundle.GetStringFromName("webapps.install.install"),
  71       bundle.GetStringFromName("webapps.install.dontinstall"),
  72       null,
  73       null,
  74       {});
  75
  76     // Perform the install if the user allows it
  77     if (choice == 0) {
  78       let nativeApp = new NativeApp(data.app, jsonManifest,
  79                                     data.app.categories,
  80                                     WebappRT.config.registryDir);
  81       let localDir;
  82       try {
  83         localDir = nativeApp.createProfile();
  84       } catch (ex) {
  85         DOMApplicationRegistry.denyInstall(data);
  86         return;
  87       }
  88
  89       DOMApplicationRegistry.confirmInstall(data, localDir,
  90         Task.async(function*(aApp, aManifest, aZipPath) {
  91           yield nativeApp.install(aApp, aManifest, aZipPath);
  92         })
  93       );
  94     } else {
  95       DOMApplicationRegistry.denyInstall(data);
  96     }
  97   },
  98
  99   doUninstall: function(aData, aWindow) {
 100     let jsonManifest = aData.isPackage ? aData.app.updateManifest : aData.app.manifest;
 101     let manifest = new ManifestHelper(jsonManifest, aData.app.origin,
 102                                       aData.app.manifestURL);
 103     let name = manifest.name;
 104     let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
 105
 106     let choice = Services.prompt.confirmEx(
 107       aWindow,
 108       bundle.formatStringFromName("webapps.uninstall.title", [name], 1),
 109       bundle.formatStringFromName("webapps.uninstall.description", [name], 1),
 110       // Set both buttons to strings with the cancel button being default
 111       Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
 112         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
 113         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
 114       bundle.GetStringFromName("webapps.uninstall.uninstall"),
 115       bundle.GetStringFromName("webapps.uninstall.dontuninstall"),
 116       null,
 117       null,
 118       {});
 119
 120     // Perform the uninstall if the user allows it
 121     if (choice == 0) {
 122       DOMApplicationRegistry.confirmUninstall(aData).then((aApp) => {
 123         WebappOSUtils.uninstall(aApp);
 124       });
 125     } else {
 126       DOMApplicationRegistry.denyUninstall(aData);
 127     }
 128   },
 129
 130   QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
 131                                          Ci.nsISupportsWeakReference])
 132 };
 133
 134 Services.obs.addObserver(WebappManager, "webapps-ask-install", false);
 135 Services.obs.addObserver(WebappManager, "webapps-ask-uninstall", false);
 136 Services.obs.addObserver(WebappManager, "webapps-launch", false);
 137 Services.obs.addObserver(WebappManager, "webapps-uninstall", false);
 138 Services.obs.addObserver(WebappManager, "webapps-update", false);
 139
 140 DOMApplicationRegistry.registerUpdateHandler(WebappManager.update);