1 files changed, 29 insertions, 0 deletions
diff --git a/dom/audiochannel/nsIAudioChannelService.idl b/dom/audiochannel/nsIAudioChannelService.idl
new file mode 100644
index 000000000..2c154a84b
--- /dev/null
+++ b/dom/audiochannel/nsIAudioChannelService.idl
@@ -0,0 +1,29 @@
+/* -*- 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/. */
+
+#include "nsISupports.idl"
+
+interface mozIDOMWindowProxy;
+
+[scriptable, builtinclass, uuid(5cb24dbc-36c7-46a4-9966-ac73141dc795)]
+interface nsIAudioChannelService : nsISupports
+{
+  float getAudioChannelVolume(in mozIDOMWindowProxy window,
+                              in unsigned short audioChannel);
+
+  void setAudioChannelVolume(in mozIDOMWindowProxy window,
+                             in unsigned short audioChannel,
+                             in float volume);
+
+  boolean getAudioChannelMuted(in mozIDOMWindowProxy window,
+                               in unsigned short audioChannel);
+
+  void setAudioChannelMuted(in mozIDOMWindowProxy window,
+                            in unsigned short audioChannel,
+                            in boolean muted);
+
+  boolean isAudioChannelActive(in mozIDOMWindowProxy window,
+                               in unsigned short audioChannel);
+};