gecko-dev/dom/tests/browser/browser_bug1236512.js

81 строка
3.3 KiB
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
"use strict";
const testPageURL = "http://mochi.test:8888/browser/dom/tests/browser/dummy.html";
async function testContentVisibilityState(aIsHidden, aBrowser) {
await ContentTask.spawn(aBrowser.selectedBrowser, aIsHidden, (aExpectedResult) => {
is(content.document.hidden, aExpectedResult, "document.hidden");
is(content.document.visibilityState, aExpectedResult ? "hidden" : "visible",
"document.visibilityState");
});
}
async function waitContentVisibilityChange(aIsHidden, aBrowser) {
await ContentTask.spawn(aBrowser.selectedBrowser, aIsHidden,
async function(aExpectedResult) {
let visibilityState = aExpectedResult ? "hidden" : "visible";
if (content.document.hidden === aExpectedResult &&
content.document.visibilityState === visibilityState) {
ok(true, "already changed to expected visibility state");
return;
}
info("wait visibilitychange event");
await ContentTaskUtils.waitForEvent(content.document, "visibilitychange",
true /* capture */, (aEvent) => {
info(`visibilitychange: ${content.document.hidden} ${content.document.visibilityState}`);
return content.document.hidden === aExpectedResult &&
content.document.visibilityState === visibilityState;
});
});
}
/**
* This test is to test the visibility state will change to "hidden" when browser
* window is fully covered by another non-translucent application. Note that we
* only support this on Mac for now, other platforms don't support reporting
* occlusion state.
*/
add_task(async function() {
info("creating test window");
// Specify the width, height, left and top, so that the new window can be
// fully covered by "window".
let winTest = await BrowserTestUtils.openNewBrowserWindow({ width: 500,
height: 500,
left: 200,
top: 200 });
let browserTest = winTest.gBrowser;
info(`loading test page: ${testPageURL}`);
browserTest.selectedBrowser.loadURI(testPageURL);
await BrowserTestUtils.browserLoaded(browserTest.selectedBrowser);
info("test init visibility state");
await testContentVisibilityState(false /* isHidden */, browserTest);
info("test window should report 'hidden' if it is fully covered by another " +
"window");
await new Promise(resolve => waitForFocus(resolve, window));
await waitContentVisibilityChange(true /* isHidden */, browserTest);
info("test window should still report 'hidden' since it is still fully covered " +
"by another window");
let tab = BrowserTestUtils.addTab(browserTest);
await BrowserTestUtils.switchTab(browserTest, tab);
await BrowserTestUtils.removeTab(browserTest.selectedTab);
await testContentVisibilityState(true /* isHidden */, browserTest);
info("test window should report 'visible' if it is not fully covered by " +
"another window");
await new Promise(resolve => waitForFocus(resolve, winTest));
await waitContentVisibilityChange(false /* isHidden */, browserTest);
info("closing test window");
await BrowserTestUtils.closeWindow(winTest);
});