gecko-dev/toolkit/components/startup/tests/browser/head.js

34 lines
1.1 KiB
JavaScript

/* 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) {
browser.addEventListener("load", function onLoad(event) {
if (event.target == browser.contentDocument) {
browser.removeEventListener("load", onLoad, true);
executeSoon(callback);
}
}, true);
}
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);
executeSoon(() => {
let stack = browser.parentNode;
let dialogs = stack.getElementsByTagNameNS(XUL_NS, "tabmodalprompt");
let {button0, button1} = dialogs[0].ui;
callback(button0, button1);
});
}, true);
}