michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   Services.prefs.setBoolPref("media.navigator.permission.fake", true);
michael@0: 
michael@0:   let getUserMediaDialogOpened = false;
michael@0: 
michael@0:   let winObserver = function(win, topic) {
michael@0:     if (topic == "domwindowopened") {
michael@0:       win.addEventListener("load", function onLoadWindow() {
michael@0:         win.removeEventListener("load", onLoadWindow, false);
michael@0: 
michael@0:         if (win.document.documentURI == "chrome://webapprt/content/getUserMediaDialog.xul") {
michael@0:           getUserMediaDialogOpened = true;
michael@0:           win.close();
michael@0:         }
michael@0:       }, false);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   Services.ww.registerNotification(winObserver);
michael@0: 
michael@0:   let mutObserver = null;
michael@0: 
michael@0:   loadWebapp("getUserMedia.webapp", undefined, function onLoad() {
michael@0:     let msg = gAppBrowser.contentDocument.getElementById("msg");
michael@0:     mutObserver = new MutationObserver(function(mutations) {
michael@0:       is(msg.textContent, "PERMISSION_DENIED", "getUserMedia permission denied.");
michael@0:       ok(getUserMediaDialogOpened, "Prompt shown.");
michael@0:       finish();
michael@0:     });
michael@0:     mutObserver.observe(msg, { childList: true });
michael@0:   });
michael@0: 
michael@0:   registerCleanupFunction(function() {
michael@0:     Services.ww.unregisterNotification(winObserver);
michael@0:     mutObserver.disconnect();
michael@0:     Services.prefs.clearUserPref("media.navigator.permission.fake");
michael@0:   });
michael@0: }