toolkit/webapps/WebappOSUtils.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
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 const Cc = Components.classes;
   6 const Ci = Components.interfaces;
   7 const CC = Components.Constructor;
   8 const Cu = Components.utils;
   9
  10 Cu.import("resource://gre/modules/Services.jsm");
  11
  12 let EXPORTED_SYMBOLS = ["WebappOSUtils"];
  13
  14 let WebappOSUtils = {
  15   launch: function(aData) {
  16 #ifdef XP_WIN
  17     let appRegKey;
  18     try {
  19       let open = CC("@mozilla.org/windows-registry-key;1",
  20                     "nsIWindowsRegKey", "open");
  21       let initWithPath = CC("@mozilla.org/file/local;1",
  22                             "nsILocalFile", "initWithPath");
  23       let initProcess = CC("@mozilla.org/process/util;1",
  24                            "nsIProcess", "init");
  25
  26       appRegKey = open(Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
  27                        "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\" +
  28                        aData.origin, Ci.nsIWindowsRegKey.ACCESS_READ);
  29
  30       let launchTarget = initWithPath(appRegKey.readStringValue("InstallLocation"));
  31       launchTarget.append(appRegKey.readStringValue("AppFilename") + ".exe");
  32
  33       let process = initProcess(launchTarget);
  34       process.runwAsync([], 0);
  35     } catch (e) {
  36       return false;
  37     } finally {
  38       if (appRegKey) {
  39         appRegKey.close();
  40       }
  41     }
  42
  43     return true;
  44 #elifdef XP_MACOSX
  45     let mwaUtils = Cc["@mozilla.org/widget/mac-web-app-utils;1"]
  46                     .createInstance(Ci.nsIMacWebAppUtils);
  47     let appPath;
  48     try {
  49       appPath = mwaUtils.pathForAppWithIdentifier(aData.origin);
  50     } catch (e) {}
  51
  52     if (appPath) {
  53       mwaUtils.launchAppWithIdentifier(aData.origin);
  54       return true;
  55     }
  56
  57     return false;
  58 #elifdef XP_UNIX
  59     let origin = Services.io.newURI(aData.origin, null, null);
  60     let installDir = "." + origin.scheme + ";" +
  61                      origin.host +
  62                      (origin.port != -1 ? ";" + origin.port : "");
  63
  64     let exeFile = Services.dirsvc.get("Home", Ci.nsIFile);
  65     exeFile.append(installDir);
  66     exeFile.append("webapprt-stub");
  67
  68     try {
  69       if (exeFile.exists()) {
  70         let process = Cc["@mozilla.org/process/util;1"]
  71                         .createInstance(Ci.nsIProcess);
  72         process.init(exeFile);
  73         process.runAsync([], 0);
  74         return true;
  75       }
  76     } catch (e) {}
  77
  78     return false;
  79 #endif
  80   },
  81
  82   uninstall: function(aData) {
  83 #ifdef XP_UNIX
  84 #ifndef XP_MACOSX
  85     let origin = Services.io.newURI(aData.origin, null, null);
  86     let installDir = "." + origin.scheme + ";" +
  87                      origin.host +
  88                      (origin.port != -1 ? ";" + origin.port : "");
  89
  90     let exeFile = Services.dirsvc.get("Home", Ci.nsIFile);
  91     exeFile.append(installDir);
  92     exeFile.append("webapprt-stub");
  93
  94     try {
  95       if (exeFile.exists()) {
  96         var process = Cc["@mozilla.org/process/util;1"].createInstance(Ci.nsIProcess);
  97         process.init(exeFile);
  98         process.runAsync(["-remove"], 1);
  99         return true;
 100       }
 101     } catch(e) {}
 102
 103     return false;
 104 #endif
 105 #endif
 106   }
 107 }