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://gre/modules/Task.jsm");
  20 Cu.import("resource://webapprt/modules/WebappRT.jsm");
  21
  22
  23 this.WebappManager = {
  24   observe: function(aSubject, aTopic, aData) {
  25     let data = JSON.parse(aData);
  26     data.mm = aSubject;
  27
  28     let chromeWin;
  29     switch (aTopic) {
  30       case "webapps-ask-install":
  31         chromeWin = Services.wm.getOuterWindowWithId(data.oid);
  32         if (chromeWin)
  33           this.doInstall(data, chromeWin);
  34         break;
  35       case "webapps-ask-uninstall":
  36         chromeWin = Services.wm.getOuterWindowWithId(data.windowId);
  37         if (chromeWin) {
  38           this.doUninstall(data, chromeWin);
  39         }
  40         break;
  41       case "webapps-launch":
  42         WebappOSUtils.launch(data);
  43         break;
  44       case "webapps-uninstall":
  45         WebappOSUtils.uninstall(data).then(null, Cu.reportError);
  46         break;
  47     }
  48   },
  49
  50   update: function(aApp, aManifest, aZipPath) {
  51     let nativeApp = new NativeApp(aApp, aManifest,
  52                                   WebappRT.config.app.categories,
  53                                   WebappRT.config.registryDir);
  54     nativeApp.prepareUpdate(aApp, aManifest, aZipPath);
  55   },
  56
  57   doInstall: function(data, window) {
  58     let jsonManifest = data.isPackage ? data.app.updateManifest : data.app.manifest;
  59     let manifest =
  60       new ManifestHelper(jsonManifest, data.app.origin, data.app.manifestURL);
  61     let name = manifest.name;
  62     let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
  63
  64     let choice = Services.prompt.confirmEx(
  65       window,
  66       bundle.formatStringFromName("webapps.install.title", [name], 1),
  67       bundle.formatStringFromName("webapps.install.description", [name], 1),
  68       // Set both buttons to strings with the cancel button being default
  69       Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
  70         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
  71         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
  72       bundle.GetStringFromName("webapps.install.install"),
  73       bundle.GetStringFromName("webapps.install.dontinstall"),
  74       null,
  75       null,
  76       {});
  77
  78     // Perform the install if the user allows it
  79     if (choice == 0) {
  80       let nativeApp = new NativeApp(data.app, jsonManifest,
  81                                     data.app.categories,
  82                                     WebappRT.config.registryDir);
  83       let localDir;
  84       try {
  85         localDir = nativeApp.createProfile();
  86       } catch (ex) {
  87         DOMApplicationRegistry.denyInstall(data);
  88         return;
  89       }
  90
  91       DOMApplicationRegistry.confirmInstall(data, localDir,
  92         Task.async(function*(aApp, aManifest, aZipPath) {
  93           yield nativeApp.install(aApp, aManifest, aZipPath);
  94         })
  95       );
  96     } else {
  97       DOMApplicationRegistry.denyInstall(data);
  98     }
  99   },
 100
 101   doUninstall: function(aData, aWindow) {
 102     let jsonManifest = aData.isPackage ? aData.app.updateManifest : aData.app.manifest;
 103     let manifest = new ManifestHelper(jsonManifest, aData.app.origin,
 104                                       aData.app.manifestURL);
 105     let name = manifest.name;
 106     let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
 107
 108     let choice = Services.prompt.confirmEx(
 109       aWindow,
 110       bundle.formatStringFromName("webapps.uninstall.title", [name], 1),
 111       bundle.formatStringFromName("webapps.uninstall.description", [name], 1),
 112       // Set both buttons to strings with the cancel button being default
 113       Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
 114         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
 115         Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
 116       bundle.GetStringFromName("webapps.uninstall.uninstall"),
 117       bundle.GetStringFromName("webapps.uninstall.dontuninstall"),
 118       null,
 119       null,
 120       {});
 121
 122     // Perform the uninstall if the user allows it
 123     if (choice == 0) {
 124       DOMApplicationRegistry.confirmUninstall(aData).then((aApp) => {
 125         WebappOSUtils.uninstall(aApp).then(null, Cu.reportError);
 126       });
 127     } else {
 128       DOMApplicationRegistry.denyUninstall(aData);
 129     }
 130   },
 131
 132   QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
 133                                          Ci.nsISupportsWeakReference])
 134 };
 135
 136 Services.obs.addObserver(WebappManager, "webapps-ask-install", false);
 137 Services.obs.addObserver(WebappManager, "webapps-ask-uninstall", false);
 138 Services.obs.addObserver(WebappManager, "webapps-launch", false);
 139 Services.obs.addObserver(WebappManager, "webapps-uninstall", false);
 140 Services.obs.addObserver(WebappManager, "webapps-update", false);
 141
 142 DOMApplicationRegistry.registerUpdateHandler(WebappManager.update);