mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 20:47:44 +00:00
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
|
|
/* vim: set ts=2 et sw=2 tw=80: */
|
|
/* 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/. */
|
|
|
|
#ifndef mozilla_dom_audiochannelservicechild_h__
|
|
#define mozilla_dom_audiochannelservicechild_h__
|
|
|
|
#include "nsAutoPtr.h"
|
|
#include "nsISupports.h"
|
|
|
|
#include "AudioChannelService.h"
|
|
#include "AudioChannelCommon.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class AudioChannelServiceChild : public AudioChannelService
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* Returns the AudioChannelServce singleton. Only to be called from main
|
|
* thread.
|
|
*
|
|
* @return NS_OK on proper assignment, NS_ERROR_FAILURE otherwise.
|
|
*/
|
|
static AudioChannelService* GetAudioChannelService();
|
|
|
|
static void Shutdown();
|
|
|
|
virtual void RegisterAudioChannelAgent(AudioChannelAgent* aAgent,
|
|
AudioChannel aChannel,
|
|
bool aWithVideo);
|
|
virtual void UnregisterAudioChannelAgent(AudioChannelAgent* aAgent);
|
|
|
|
/**
|
|
* Return the state to indicate this agent should keep playing/
|
|
* fading volume/muted.
|
|
*/
|
|
virtual AudioChannelState GetState(AudioChannelAgent* aAgent,
|
|
bool aElementHidden);
|
|
|
|
virtual void SetDefaultVolumeControlChannel(int32_t aChannel,
|
|
bool aHidden);
|
|
|
|
protected:
|
|
AudioChannelServiceChild();
|
|
virtual ~AudioChannelServiceChild();
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif
|
|
|