browser/components/shell/test/browser_420786.js

   1 const Ci = Components.interfaces;
   2 const Cc = Components.classes;
   3
   4 const DG_BACKGROUND = "/desktop/gnome/background"
   5 const DG_IMAGE_KEY = DG_BACKGROUND + "/picture_filename";
   6 const DG_OPTION_KEY = DG_BACKGROUND + "/picture_options";
   7 const DG_DRAW_BG_KEY = DG_BACKGROUND + "/draw_background";
   8
   9 var testPage;
  10
  11 function url(spec) {
  12   var ios = Cc["@mozilla.org/network/io-service;1"].
  13             getService(Ci.nsIIOService);
  14   return ios.newURI(spec, null, null);
  15 }
  16
  17 function onPageLoad() {
  18   testPage.events.removeListener("load", onPageLoad);
  19
  20   var bs = Cc["@mozilla.org/intl/stringbundle;1"].
  21            getService(Ci.nsIStringBundleService);
  22   var brandName = bs.createBundle("chrome://branding/locale/brand.properties").
  23                   GetStringFromName("brandShortName");
  24
  25   var dirSvc = Cc["@mozilla.org/file/directory_service;1"].
  26                getService(Ci.nsIDirectoryServiceProvider);
  27   var homeDir = dirSvc.getFile("Home", {});
  28
  29   var wpFile = homeDir.clone();
  30   wpFile.append(brandName + "_wallpaper.png");
  31
  32   // Backup the existing wallpaper so that this test doesn't change the user's
  33   // settings.
  34   var wpFileBackup = homeDir.clone()
  35   wpFileBackup.append(brandName + "_wallpaper.png.backup");
  36
  37   if (wpFileBackup.exists())
  38     wpFileBackup.remove(false);
  39
  40   if (wpFile.exists())
  41     wpFile.copyTo(null, wpFileBackup.leafName);
  42
  43   var shell = Cc["@mozilla.org/browser/shell-service;1"].
  44               getService(Ci.nsIShellService);
  45   var gconf = Cc["@mozilla.org/gnome-gconf-service;1"].
  46               getService(Ci.nsIGConfService);
  47
  48   var prevImageKey = gconf.getString(DG_IMAGE_KEY);
  49   var prevOptionKey = gconf.getString(DG_OPTION_KEY);
  50   var prevDrawBgKey = gconf.getBool(DG_DRAW_BG_KEY);
  51
  52   var image = testPage.document.getElementsByTagName("img")[0];
  53
  54   function checkWallpaper(position, expectedGConfPosition) {
  55     shell.setDesktopBackground(image, position);
  56     ok(wpFile.exists(), "Wallpaper was written to disk");
  57     is(gconf.getString(DG_IMAGE_KEY), wpFile.path,
  58        "Wallpaper file GConf key is correct");
  59     is(gconf.getString(DG_OPTION_KEY), expectedGConfPosition,
  60        "Wallpaper position GConf key is correct");
  61   }
  62
  63   checkWallpaper(Ci.nsIShellService.BACKGROUND_TILE, "wallpaper");
  64   checkWallpaper(Ci.nsIShellService.BACKGROUND_STRETCH, "stretched");
  65   checkWallpaper(Ci.nsIShellService.BACKGROUND_CENTER, "centered");
  66   checkWallpaper(Ci.nsIShellService.BACKGROUND_FILL, "centered");
  67
  68   // Restore GConf and wallpaper
  69
  70   gconf.setString(DG_IMAGE_KEY, prevImageKey);
  71   gconf.setString(DG_OPTION_KEY, prevOptionKey);
  72   gconf.setBool(DG_DRAW_BG_KEY, prevDrawBgKey);
  73
  74   wpFile.remove(false);
  75   if (wpFileBackup.exists()) {
  76    wpFileBackup.moveTo(null, wpFile.leafName);
  77   }
  78   testPage.close();
  79   finish();
  80 }
  81
  82 function test() {
  83   var osString = Cc["@mozilla.org/xre/app-info;1"].
  84                  getService(Ci.nsIXULRuntime).OS;
  85
  86   // This test is Linux specific for now
  87   if (osString != "Linux") {
  88     finish();
  89     return;
  90   }
  91
  92   testPage = Application.activeWindow.open(url("about:blank"));
  93   testPage.events.addListener("load", onPageLoad);
  94   testPage.load(url("about:logo"));
  95   testPage.focus();
  96
  97   waitForExplicitFinish();
  98 }