29 lines
930 B
JavaScript
29 lines
930 B
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() {
|
|
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);
|
|
}
|