1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/audiochannel/AudioChannelServiceChild.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,57 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_audiochannelservicechild_h__
1.11 +#define mozilla_dom_audiochannelservicechild_h__
1.12 +
1.13 +#include "nsAutoPtr.h"
1.14 +#include "nsISupports.h"
1.15 +
1.16 +#include "AudioChannelService.h"
1.17 +#include "AudioChannelCommon.h"
1.18 +
1.19 +namespace mozilla {
1.20 +namespace dom {
1.21 +
1.22 +class AudioChannelServiceChild : public AudioChannelService
1.23 +{
1.24 +public:
1.25 +
1.26 + /**
1.27 + * Returns the AudioChannelServce singleton. Only to be called from main
1.28 + * thread.
1.29 + *
1.30 + * @return NS_OK on proper assignment, NS_ERROR_FAILURE otherwise.
1.31 + */
1.32 + static AudioChannelService* GetAudioChannelService();
1.33 +
1.34 + static void Shutdown();
1.35 +
1.36 + virtual void RegisterAudioChannelAgent(AudioChannelAgent* aAgent,
1.37 + AudioChannel aChannel,
1.38 + bool aWithVideo);
1.39 + virtual void UnregisterAudioChannelAgent(AudioChannelAgent* aAgent);
1.40 +
1.41 + /**
1.42 + * Return the state to indicate this agent should keep playing/
1.43 + * fading volume/muted.
1.44 + */
1.45 + virtual AudioChannelState GetState(AudioChannelAgent* aAgent,
1.46 + bool aElementHidden);
1.47 +
1.48 + virtual void SetDefaultVolumeControlChannel(int32_t aChannel,
1.49 + bool aHidden);
1.50 +
1.51 +protected:
1.52 + AudioChannelServiceChild();
1.53 + virtual ~AudioChannelServiceChild();
1.54 +};
1.55 +
1.56 +} // namespace dom
1.57 +} // namespace mozilla
1.58 +
1.59 +#endif
1.60 +
