gecko/dom/speakermanager/SpeakerManagerServiceChild.h
2015-05-03 15:32:37 -04:00

46 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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_SpeakerManagerServicechild_h__
#define mozilla_dom_SpeakerManagerServicechild_h__
#include "nsAutoPtr.h"
#include "nsISupports.h"
#include "SpeakerManagerService.h"
namespace mozilla {
namespace dom {
/* This class is used to do the IPC to enable/disable speaker status
Also handle the application speaker competition problem
*/
class SpeakerManagerServiceChild : public SpeakerManagerService
{
public:
/*
* Return null or instance which has been created.
*/
static SpeakerManagerService* GetSpeakerManagerService();
/*
* Return SpeakerManagerServiceChild instance.
* If SpeakerManagerServiceChild is not exist, create and return new one.
*/
static SpeakerManagerService* GetOrCreateSpeakerManagerService();
static void Shutdown();
virtual void ForceSpeaker(bool aEnable, bool aVisible) override;
virtual bool GetSpeakerStatus() override;
virtual void SetAudioChannelActive(bool aIsActive) override;
virtual void Notify() override;
protected:
SpeakerManagerServiceChild();
virtual ~SpeakerManagerServiceChild();
};
} // namespace dom
} // namespace mozilla
#endif