chrome/test/unit/head_crtestutils.js

   1 const XULAPPINFO_CONTRACTID = "@mozilla.org/xre/app-info;1";
   2 const XULAPPINFO_CID = Components.ID("{48a4e946-1f9f-4224-b4b0-9a54183cb81e}");
   3
   4 const NS_CHROME_MANIFESTS_FILE_LIST = "ChromeML";
   5
   6 const Cc = Components.classes;
   7 const Ci = Components.interfaces;
   8 const Cr = Components.results;
   9
  10 function ArrayEnumerator(array)
  11 {
  12   this.array = array;
  13 }
  14
  15 ArrayEnumerator.prototype = {
  16   pos: 0,
  17
  18   hasMoreElements: function() {
  19     return this.pos < this.array.length;
  20   },
  21
  22   getNext: function() {
  23     if (this.pos < this.array.length)
  24       return this.array[this.pos++];
  25     throw Cr.NS_ERROR_FAILURE;
  26   },
  27
  28   QueryInterface: function(iid) {
  29     if (iid.equals(Ci.nsISimpleEnumerator)
  30      || iid.equals(Ci.nsISupports))
  31       return this;
  32
  33     throw Cr.NS_ERROR_NO_INTERFACE;
  34   }
  35 };
  36
  37 function ChromeProvider(manifests)
  38 {
  39   this._manifests = manifests;
  40 }
  41
  42 ChromeProvider.prototype = {
  43   getFile: function(prop, persistent) {
  44     throw Cr.NS_ERROR_FAILURE;
  45   },
  46
  47   getFiles: function(prop) {
  48     if (prop == NS_CHROME_MANIFESTS_FILE_LIST) {
  49       return new ArrayEnumerator(this._manifests);
  50     }
  51     throw Cr.NS_ERROR_FAILURE;
  52   },
  53
  54   QueryInterface: function(iid) {
  55     if (iid.equals(Ci.nsIDirectoryServiceProvider)
  56      || iid.equals(Ci.nsIDirectoryServiceProvider2)
  57      || iid.equals(Ci.nsISupports))
  58       return this;
  59
  60     throw Components.results.NS_ERROR_NO_INTERFACE;
  61   }
  62 };
  63
  64 function registerManifests(manifests)
  65 {
  66   var dirSvc = Cc["@mozilla.org/file/directory_service;1"].
  67     getService(Ci.nsIDirectoryService);
  68   dirSvc.registerProvider(new ChromeProvider(manifests));
  69 }