The Tor Browser: browser/modules/test/browser_taskbar

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 function test() {

     2   var isWin7OrHigher = false;

     3   try {

     4     let version = Cc["@mozilla.org/system-info;1"]

     5                     .getService(Ci.nsIPropertyBag2)

     6                     .getProperty("version");

     7     isWin7OrHigher = (parseFloat(version) >= 6.1);

     8   } catch (ex) { }

    10   is(!!Win7Features, isWin7OrHigher, "Win7Features available when it should be");

    11   if (!isWin7OrHigher)

    12     return;

    14   const ENABLE_PREF_NAME = "browser.taskbar.previews.enable";

    16   let temp = {};

    17   Cu.import("resource:///modules/WindowsPreviewPerTab.jsm", temp);

    18   let AeroPeek = temp.AeroPeek;

    20   waitForExplicitFinish();

    22   gPrefService.setBoolPref(ENABLE_PREF_NAME, true);

    24   is(1, AeroPeek.windows.length, "Got the expected number of windows");

    26   checkPreviews(1, "Browser starts with one preview");

    28   gBrowser.addTab();

    29   gBrowser.addTab();

    30   gBrowser.addTab();

    32   checkPreviews(4, "Correct number of previews after adding");

    34   for each (let preview in AeroPeek.previews)

    35     ok(preview.visible, "Preview is shown as expected");

    37   gPrefService.setBoolPref(ENABLE_PREF_NAME, false);

    38   checkPreviews(4, "Previews are unchanged when disabling");

    40   for each (let preview in AeroPeek.previews)

    41     ok(!preview.visible, "Preview is not shown as expected after disabling");

    43   gPrefService.setBoolPref(ENABLE_PREF_NAME, true);

    44   checkPreviews(4, "Previews are unchanged when re-enabling");

    45   for each (let preview in AeroPeek.previews)

    46     ok(preview.visible, "Preview is shown as expected after re-enabling");

    48   [1,2,3,4].forEach(function (idx) {

    49     gBrowser.selectedTab = gBrowser.tabs[idx];

    50     ok(checkSelectedTab(), "Current tab is correctly selected");

    51   });

    53   let currentSelectedTab = gBrowser.selectedTab;

    54   for each (let idx in [1,2,3,4]) {

    55     let preview = getPreviewForTab(gBrowser.tabs[0]);

    56     let canvas = createThumbnailSurface(preview);

    57     let ctx = canvas.getContext("2d");

    58     preview.controller.drawThumbnail(ctx, canvas.width, canvas.height);

    59     ok(currentSelectedTab.selected, "Drawing thumbnail does not change selection");

    60     canvas = getCanvas(preview.controller.width, preview.controller.height);

    61     ctx = canvas.getContext("2d");

    62     preview.controller.drawPreview(ctx);

    63     ok(currentSelectedTab.selected, "Drawing preview does not change selection");

    64   }

    66   // Close #4

    67   getPreviewForTab(gBrowser.selectedTab).controller.onClose();

    68   checkPreviews(3, "Expected number of previews after closing selected tab via controller");

    69   ok(gBrowser.tabs.length == 3, "Successfully closed a tab");

    71   // Select #1

    72   ok(getPreviewForTab(gBrowser.tabs[0]).controller.onActivate(), "Activation was accepted");

    73   ok(gBrowser.tabs[0].selected, "Correct tab was selected");

    74   checkSelectedTab();

    76   // Remove #3 (non active)

    77   gBrowser.removeTab(gBrowser.tabContainer.lastChild);

    78   checkPreviews(2, "Expected number of previews after closing unselected via browser");

    80   // Remove #1 (active)

    81   gBrowser.removeTab(gBrowser.tabContainer.firstChild);

    82   checkPreviews(1, "Expected number of previews after closing selected tab via browser");

    84   // Add a new tab

    85   gBrowser.addTab();

    86   checkPreviews(2);

    87   // Check default selection

    88   checkSelectedTab();

    90   // Change selection

    91   gBrowser.selectedTab = gBrowser.tabs[0];

    92   checkSelectedTab();

    93   // Close nonselected tab via controller

    94   getPreviewForTab(gBrowser.tabs[1]).controller.onClose();

    95   checkPreviews(1);

    97   if (gPrefService.prefHasUserValue(ENABLE_PREF_NAME))

    98     gPrefService.clearUserPref(ENABLE_PREF_NAME);

   100   finish();

   102   function checkPreviews(aPreviews, msg) {

   103     let nPreviews = AeroPeek.previews.length;

   104     is(aPreviews, gBrowser.tabs.length, "Browser has expected number of tabs");

   105     is(nPreviews, gBrowser.tabs.length, "Browser has one preview per tab");

   106     is(nPreviews, aPreviews, msg || "Got expected number of previews");

   107   }

   109   function getPreviewForTab(tab)

   110     window.gTaskbarTabGroup.previewFromTab(tab);

   112   function checkSelectedTab()

   113     getPreviewForTab(gBrowser.selectedTab).active;

   115   function isTabSelected(idx)

   116     gBrowser.tabs[idx].selected;

   118   function createThumbnailSurface(p) {

   119     let thumbnailWidth = 200,

   120         thumbnailHeight = 120;

   121     let ratio = p.controller.thumbnailAspectRatio;

   123     if (thumbnailWidth/thumbnailHeight > ratio)

   124       thumbnailWidth = thumbnailHeight * ratio;

   125     else

   126       thumbnailHeight = thumbnailWidth / ratio;

   128     return getCanvas(thumbnailWidth, thumbnailHeight);

   129   }

   131   function getCanvas(width, height) {

   132     let win = window.QueryInterface(Ci.nsIDOMWindow);

   133     let doc = win.document;

   134     let canvas = doc.createElementNS("http://www.w3.org/1999/xhtml", "canvas");

   135     canvas.width = width;

   136     canvas.height = height;

   137     return canvas;

   138   }

   139 }

The Tor Browser / file revision