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head.js
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head.js
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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
function whenBrowserLoaded(browser, callback) {
return BrowserTestUtils.browserLoaded(browser).then(callback);
}
function waitForOnBeforeUnloadDialog(browser, callback) {
browser.addEventListener(
"DOMWillOpenModalDialog",
function onModalDialog(event) {
if (Cu.isCrossProcessWrapper(event.target)) {
// This event fires in both the content and chrome processes. We
// want to ignore the one in the content process.
return;
}
browser.removeEventListener(
"DOMWillOpenModalDialog",
onModalDialog,
true
);
SimpleTest.waitForCondition(
() => Services.focus.activeWindow == browser.ownerGlobal,
function() {
let stack = browser.parentNode;
let dialogs = stack.getElementsByTagNameNS(XUL_NS, "tabmodalprompt");
let { button0, button1 } = browser.tabModalPromptBox.prompts.get(
dialogs[0]
).ui;
callback(button0, button1);
},
"Waited too long for window with dialog to focus"
);
},
true
);
}