import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/webidl/PresentationDeviceInfoManager.webidl

@@ -0,0 +1,26 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+dictionary PresentationDeviceInfo {
+  DOMString id;
+  DOMString name;
+  DOMString type;
+};
+
+[NavigatorProperty="mozPresentationDeviceInfo",
+ JSImplementation="@mozilla.org/presentation-device/deviceInfo;1",
+ Pref="dom.presentation.enabled",
+ ChromeOnly]
+interface PresentationDeviceInfoManager : EventTarget {
+  // notify if any device updated.
+  attribute EventHandler ondevicechange;
+
+  // retrieve all available device infos
+  Promise<sequence<PresentationDeviceInfo>> getAll();
+
+  // Force all registered device provider to update device information.
+  void forceDiscovery();
+};