Fri, 16 Jan 2015 18:13:44 +0100
Integrate suggestion from review to improve consistency with existing code.
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 }