forked from mirrors/gecko-dev
73 lines
3.3 KiB
JavaScript
73 lines
3.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var initialPageZoom = ZoomManager.zoom;
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const kTimeoutInMS = 20000;
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add_task(function* () {
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info("Confirm whether the browser zoom is set to the default level");
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is(initialPageZoom, 1, "Page zoom is set to default (100%)");
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let zoomResetButton = document.getElementById("urlbar-zoom-button");
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is(zoomResetButton.hidden, true, "Zoom reset button is currently hidden");
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info("Change zoom and confirm zoom button appears");
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let labelUpdatePromise = BrowserTestUtils.waitForAttribute("label", zoomResetButton);
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FullZoom.enlarge();
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yield labelUpdatePromise;
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info("Zoom increased to " + Math.floor(ZoomManager.zoom * 100) + "%");
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is(zoomResetButton.hidden, false, "Zoom reset button is now visible");
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let pageZoomLevel = Math.floor(ZoomManager.zoom * 100);
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let expectedZoomLevel = 110;
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let buttonZoomLevel = parseInt(zoomResetButton.getAttribute("label"), 10);
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is(buttonZoomLevel, expectedZoomLevel, ("Button label updated successfully to " + Math.floor(ZoomManager.zoom * 100) + "%"));
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let zoomResetPromise = promiseObserverNotification("browser-fullZoom:zoomReset");
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zoomResetButton.click();
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yield zoomResetPromise;
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pageZoomLevel = Math.floor(ZoomManager.zoom * 100);
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expectedZoomLevel = 100;
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is(pageZoomLevel, expectedZoomLevel, "Clicking zoom button successfully resets browser zoom to 100%");
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is(zoomResetButton.hidden, true, "Zoom reset button returns to being hidden");
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});
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add_task(function* () {
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info("Confirm that URL bar zoom button doesn't appear when customizable zoom widget is added to toolbar");
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CustomizableUI.addWidgetToArea("zoom-controls", CustomizableUI.AREA_NAVBAR);
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let zoomCustomizableWidget = document.getElementById("zoom-reset-button");
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let zoomResetButton = document.getElementById("urlbar-zoom-button");
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let zoomChangePromise = promiseObserverNotification("browser-fullZoom:zoomChange");
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FullZoom.enlarge();
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yield zoomChangePromise;
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is(zoomResetButton.hidden, true, "URL zoom button remains hidden despite zoom increase");
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is(parseInt(zoomCustomizableWidget.label, 10), 110, "Customizable zoom widget's label has updated to " + zoomCustomizableWidget.label);
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});
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add_task(function* asyncCleanup() {
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// reset zoom level and customizable widget
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ZoomManager.zoom = initialPageZoom;
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is(ZoomManager.zoom, 1, "Zoom level was restored");
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if (document.getElementById("zoom-controls")) {
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CustomizableUI.removeWidgetFromArea("zoom-controls", CustomizableUI.AREA_NAVBAR);
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ok(!document.getElementById("zoom-controls"), "Customizable zoom widget removed from toolbar");
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}
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});
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function promiseObserverNotification(aObserver) {
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let deferred = Promise.defer();
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function notificationCallback(e) {
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Services.obs.removeObserver(notificationCallback, aObserver, false);
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clearTimeout(timeoutId);
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deferred.resolve();
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}
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let timeoutId = setTimeout(() => {
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Services.obs.removeObserver(notificationCallback, aObserver, false);
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deferred.reject("Notification '" + aObserver + "' did not happen within 20 seconds.");
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}, kTimeoutInMS);
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Services.obs.addObserver(notificationCallback, aObserver, false);
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return deferred.promise;
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}
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