function test() { var isWin7OrHigher = false; try { let version = Cc["@mozilla.org/system-info;1"] .getService(Ci.nsIPropertyBag2) .getProperty("version"); isWin7OrHigher = (parseFloat(version) >= 6.1); } catch (ex) { } is(!!Win7Features, isWin7OrHigher, "Win7Features available when it should be"); if (!isWin7OrHigher) return; const ENABLE_PREF_NAME = "browser.taskbar.previews.enable"; let temp = {}; Cu.import("resource://gre/modules/WindowsPreviewPerTab.jsm", temp); let AeroPeek = temp.AeroPeek; waitForExplicitFinish(); gPrefService.setBoolPref(ENABLE_PREF_NAME, true); is(1, AeroPeek.windows.length, "Got the expected number of windows"); checkPreviews(1, "Browser starts with one preview"); gBrowser.addTab(); gBrowser.addTab(); gBrowser.addTab(); checkPreviews(4, "Correct number of previews after adding"); for each (let preview in AeroPeek.previews) ok(preview.visible, "Preview is shown as expected"); gPrefService.setBoolPref(ENABLE_PREF_NAME, false); checkPreviews(4, "Previews are unchanged when disabling"); for each (let preview in AeroPeek.previews) ok(!preview.visible, "Preview is not shown as expected after disabling"); gPrefService.setBoolPref(ENABLE_PREF_NAME, true); checkPreviews(4, "Previews are unchanged when re-enabling"); for each (let preview in AeroPeek.previews) ok(preview.visible, "Preview is shown as expected after re-enabling"); [1,2,3,4].forEach(function (idx) { gBrowser.selectedTab = gBrowser.tabs[idx]; ok(checkSelectedTab(), "Current tab is correctly selected"); }); let currentSelectedTab = gBrowser.selectedTab; for each (let idx in [1,2,3,4]) { let preview = getPreviewForTab(gBrowser.tabs[0]); let canvas = createThumbnailSurface(preview); let ctx = canvas.getContext("2d"); preview.controller.drawThumbnail(ctx, canvas.width, canvas.height); ok(currentSelectedTab == gBrowser.selectedTab, "Drawing thumbnail does not change selection"); canvas = getCanvas(preview.controller.width, preview.controller.height); ctx = canvas.getContext("2d"); preview.controller.drawPreview(ctx); ok(currentSelectedTab == gBrowser.selectedTab, "Drawing preview does not change selection"); } // Close #4 getPreviewForTab(gBrowser.selectedTab).controller.onClose(); checkPreviews(3, "Expected number of previews after closing selected tab via controller"); ok(gBrowser.tabs.length == 3, "Successfully closed a tab"); // Select #1 ok(getPreviewForTab(gBrowser.tabs[0]).controller.onActivate(), "Activation was accepted"); ok(gBrowser.tabs[0] == gBrowser.selectedTab, "Correct tab was selected"); checkSelectedTab(); // Remove #3 (non active) gBrowser.removeTab(gBrowser.tabContainer.lastChild); checkPreviews(2, "Expected number of previews after closing unselected via browser"); // Remove #1 (active) gBrowser.removeTab(gBrowser.tabContainer.firstChild); checkPreviews(1, "Expected number of previews after closing selected tab via browser"); // Add a new tab gBrowser.addTab(); checkPreviews(2); // Check default selection checkSelectedTab(); // Change selection gBrowser.selectedTab = gBrowser.tabs[0]; checkSelectedTab(); // Close nonselected tab via controller getPreviewForTab(gBrowser.tabs[1]).controller.onClose(); checkPreviews(1); if (gPrefService.prefHasUserValue(ENABLE_PREF_NAME)) gPrefService.clearUserPref(ENABLE_PREF_NAME); finish(); function checkPreviews(aPreviews, msg) { let nPreviews = AeroPeek.previews.length; is(aPreviews, gBrowser.tabs.length, "Browser has expected number of tabs"); is(nPreviews, gBrowser.tabs.length, "Browser has one preview per tab"); is(nPreviews, aPreviews, msg || "Got expected number of previews"); } function getPreviewForTab(tab) window.gTaskbarTabGroup.previewFromTab(tab); function checkSelectedTab() getPreviewForTab(gBrowser.selectedTab).active; function isTabSelected(idx) gBrowser.selectedTab == gBrowser.tabs[idx]; function createThumbnailSurface(p) { let thumbnailWidth = 200, thumbnailHeight = 120; let ratio = p.controller.thumbnailAspectRatio; if (thumbnailWidth/thumbnailHeight > ratio) thumbnailWidth = thumbnailHeight * ratio; else thumbnailHeight = thumbnailWidth / ratio; return getCanvas(thumbnailWidth, thumbnailHeight); } function getCanvas(width, height) { let win = window.QueryInterface(Ci.nsIDOMWindowInternal); let doc = win.document; let canvas = doc.createElementNS("http://www.w3.org/1999/xhtml", "canvas"); canvas.width = width; canvas.height = height; return canvas; } }