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"use strict";
/**
* These tests are for the auto-focus behaviour on the initial browser
* when a window is opened from content.
*/
const PAGE = `data:text/html,<a id="target" href="%23" onclick="window.open('http://www.example.com', '_blank', 'width=100,height=100');">Click me</a>`;
/**
* Returns a Promise that resolves when a new window has
* opened, and the "load" event has fired in that window.
* We can't use BrowserTestUtils.domWindowOpened directly,
* because by the time the "then" on the Promise runs,
* DOMContentLoaded and load may have already run in the new
* window. However, we want to be very explicit about what
* events we're waiting for, and not rely on a quirk of our
* Promises infrastructure.
*/
function promiseNewWindow() {
return new Promise((resolve) => {
let observer = (subject, topic, data) => {
if (topic == "domwindowopened") {
Services.ww.unregisterNotification(observer);
let win = subject.QueryInterface(Ci.nsIDOMWindow);
win.addEventListener("load", function onLoad() {
win.removeEventListener("load", onLoad);
resolve(win);
});
}
};
Services.ww.registerNotification(observer);
});
}
/**
* Test that when a new window is opened from content, focus moves
* to the initial browser in that window once the window has finished
* painting.
*/
add_task(function* test_focus_browser() {
yield BrowserTestUtils.withNewTab({
url: PAGE,
gBrowser,
}, function*(browser) {
let newWinPromise = promiseNewWindow();
let delayedStartupPromise = BrowserTestUtils.waitForNewWindow();
yield BrowserTestUtils.synthesizeMouseAtCenter("#target", {}, browser);
let newWin = yield newWinPromise;
yield BrowserTestUtils.contentPainted(newWin.gBrowser.selectedBrowser);
yield delayedStartupPromise;
let focusedElement =
Services.focus.getFocusedElementForWindow(newWin, false, {});
Assert.equal(focusedElement, newWin.gBrowser.selectedBrowser,
"Initial browser should be focused");
yield BrowserTestUtils.closeWindow(newWin);
});
});
/**
* Test that when a new window is opened from content and focus
* shifts in that window before the content has a chance to paint
* that we _don't_ steal focus once content has painted.
*/
add_task(function* test_no_steal_focus() {
yield BrowserTestUtils.withNewTab({
url: PAGE,
gBrowser,
}, function*(browser) {
let newWinPromise = promiseNewWindow();
let delayedStartupPromise = BrowserTestUtils.waitForNewWindow();
yield BrowserTestUtils.synthesizeMouseAtCenter("#target", {}, browser);
let newWin = yield newWinPromise;
// Because we're switching focus, we shouldn't steal it once
// content paints.
newWin.gURLBar.focus();
yield BrowserTestUtils.contentPainted(newWin.gBrowser.selectedBrowser);
yield delayedStartupPromise;
let focusedElement =
Services.focus.getFocusedElementForWindow(newWin, false, {});
Assert.equal(focusedElement, newWin.gURLBar.inputField,
"URLBar should be focused");
yield BrowserTestUtils.closeWindow(newWin);
});
});
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