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const gBaseURL = "https://example.com/browser/testing/mochitest/tests/browser/";
function *promiseTabLoadEvent(tab, url)
{
return new Promise(function (resolve, reject) {
function handleLoadEvent(event) {
if (event.originalTarget != tab.linkedBrowser.contentDocument ||
event.target.location.href == "about:blank" ||
(url && event.target.location.href != url)) {
return;
}
tab.linkedBrowser.removeEventListener("load", handleLoadEvent, true);
resolve(event);
}
tab.linkedBrowser.addEventListener("load", handleLoadEvent, true, true);
if (url)
tab.linkedBrowser.loadURI(url);
});
}
// Load a new blank tab
add_task(function *() {
yield BrowserTestUtils.openNewForegroundTab(gBrowser);
gURLBar.focus();
let browser = gBrowser.selectedBrowser;
yield SimpleTest.promiseFocus(browser.contentWindowAsCPOW, true);
is(document.activeElement, browser, "Browser is focused when about:blank is loaded");
gBrowser.removeCurrentTab();
gURLBar.focus();
});
// Load a tab with a subframe inside it and wait until the subframe is focused
add_task(function *() {
let tab = gBrowser.addTab();
gBrowser.selectedTab = tab;
let browser = gBrowser.getBrowserForTab(tab);
yield promiseTabLoadEvent(tab, gBaseURL + "waitForFocusPage.html");
yield SimpleTest.promiseFocus(browser.contentWindowAsCPOW);
is(document.activeElement, browser, "Browser is focused when page is loaded");
yield SimpleTest.promiseFocus(browser.contentWindowAsCPOW.frames[0]);
is(browser.contentWindowAsCPOW.document.activeElement.localName, "iframe", "Child iframe is focused");
gBrowser.removeCurrentTab();
});
// Pass a browser to promiseFocus
add_task(function *() {
yield BrowserTestUtils.openNewForegroundTab(gBrowser, gBaseURL + "waitForFocusPage.html");
gURLBar.focus();
yield SimpleTest.promiseFocus(gBrowser.selectedBrowser);
is(document.activeElement, gBrowser.selectedBrowser, "Browser is focused when promiseFocus is passed a browser");
gBrowser.removeCurrentTab();
});
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