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