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function promiseAlertWindow() {
return new Promise(function(resolve) {
let listener = {
onOpenWindow(window) {
let alertWindow = window.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindow);
alertWindow.addEventListener("load", function onLoad() {
alertWindow.removeEventListener("load", onLoad);
let windowType = alertWindow.document.documentElement.getAttribute("windowtype");
if (windowType != "alert:alert") {
return;
}
Services.wm.removeListener(listener);
resolve(alertWindow);
});
},
};
Services.wm.addListener(listener);
});
}
/**
* Similar to `BrowserTestUtils.closeWindow`, but
* doesn't call `window.close()`.
*/
function promiseWindowClosed(window) {
return new Promise(function(resolve) {
Services.ww.registerNotification(function observer(subject, topic, data) {
if (topic == "domwindowclosed" && subject == window) {
Services.ww.unregisterNotification(observer);
resolve();
}
});
});
}
/**
* These two functions work with file_dom_notifications.html to open the
* notification and close it.
*
* |fn| can be showNotification1 or showNotification2.
* if |timeout| is passed, then the promise returned from this function is
* rejected after the requested number of miliseconds.
*/
function openNotification(aBrowser, fn, timeout) {
return ContentTask.spawn(aBrowser, { fn, timeout }, function* ({ fn, timeout }) {
let win = content.wrappedJSObject;
let notification = win[fn]();
win._notification = notification;
yield new Promise((resolve, reject) => {
function listener() {
notification.removeEventListener("show", listener);
resolve();
}
notification.addEventListener("show", listener);
if (timeout) {
content.setTimeout(() => {
notification.removeEventListener("show", listener);
reject("timed out");
}, timeout);
}
});
});
}
function closeNotification(aBrowser) {
return ContentTask.spawn(aBrowser, null, function() {
content.wrappedJSObject._notification.close();
});
}
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