1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var initialPageZoom = ZoomManager.zoom;
const kTimeoutInMS = 20000;
add_task(function* () {
info("Confirm whether the browser zoom is set to the default level");
is(initialPageZoom, 1, "Page zoom is set to default (100%)");
let zoomResetButton = document.getElementById("urlbar-zoom-button");
is(zoomResetButton.hidden, true, "Zoom reset button is currently hidden");
info("Change zoom and confirm zoom button appears");
let labelUpdatePromise = BrowserTestUtils.waitForAttribute("label", zoomResetButton);
FullZoom.enlarge();
yield labelUpdatePromise;
info("Zoom increased to " + Math.floor(ZoomManager.zoom * 100) + "%");
is(zoomResetButton.hidden, false, "Zoom reset button is now visible");
let pageZoomLevel = Math.floor(ZoomManager.zoom * 100);
let expectedZoomLevel = 110;
let buttonZoomLevel = parseInt(zoomResetButton.getAttribute("label"), 10);
is(buttonZoomLevel, expectedZoomLevel, ("Button label updated successfully to " + Math.floor(ZoomManager.zoom * 100) + "%"));
let zoomResetPromise = promiseObserverNotification("browser-fullZoom:zoomReset");
zoomResetButton.click();
yield zoomResetPromise;
pageZoomLevel = Math.floor(ZoomManager.zoom * 100);
expectedZoomLevel = 100;
is(pageZoomLevel, expectedZoomLevel, "Clicking zoom button successfully resets browser zoom to 100%");
is(zoomResetButton.hidden, true, "Zoom reset button returns to being hidden");
});
add_task(function* () {
info("Confirm that URL bar zoom button doesn't appear when customizable zoom widget is added to toolbar");
CustomizableUI.addWidgetToArea("zoom-controls", CustomizableUI.AREA_NAVBAR);
let zoomCustomizableWidget = document.getElementById("zoom-reset-button");
let zoomResetButton = document.getElementById("urlbar-zoom-button");
let zoomChangePromise = promiseObserverNotification("browser-fullZoom:zoomChange");
FullZoom.enlarge();
yield zoomChangePromise;
is(zoomResetButton.hidden, true, "URL zoom button remains hidden despite zoom increase");
is(parseInt(zoomCustomizableWidget.label, 10), 110, "Customizable zoom widget's label has updated to " + zoomCustomizableWidget.label);
});
add_task(function* asyncCleanup() {
// reset zoom level and customizable widget
ZoomManager.zoom = initialPageZoom;
is(ZoomManager.zoom, 1, "Zoom level was restored");
if (document.getElementById("zoom-controls")) {
CustomizableUI.removeWidgetFromArea("zoom-controls", CustomizableUI.AREA_NAVBAR);
ok(!document.getElementById("zoom-controls"), "Customizable zoom widget removed from toolbar");
}
});
function promiseObserverNotification(aObserver) {
let deferred = Promise.defer();
function notificationCallback(e) {
Services.obs.removeObserver(notificationCallback, aObserver, false);
clearTimeout(timeoutId);
deferred.resolve();
}
let timeoutId = setTimeout(() => {
Services.obs.removeObserver(notificationCallback, aObserver, false);
deferred.reject("Notification '" + aObserver + "' did not happen within 20 seconds.");
}, kTimeoutInMS);
Services.obs.addObserver(notificationCallback, aObserver, false);
return deferred.promise;
}
|
