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/* -*- 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_SpeakerManagerService_h__
#define mozilla_dom_SpeakerManagerService_h__
#include "nsIObserver.h"
#include "nsTArray.h"
#include "SpeakerManager.h"
#include "nsIAudioManager.h"
#include "nsCheapSets.h"
#include "nsHashKeys.h"
namespace mozilla {
namespace dom {
class SpeakerManagerService : public nsIObserver
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
/*
* Return null or instance which has been created.
*/
static SpeakerManagerService* GetSpeakerManagerService();
/*
* Return SpeakerManagerService instance.
* If SpeakerManagerService is not exist, create and return new one.
*/
static SpeakerManagerService* GetOrCreateSpeakerManagerService();
virtual void ForceSpeaker(bool aEnable, bool aVisible);
virtual bool GetSpeakerStatus();
virtual void SetAudioChannelActive(bool aIsActive);
// Called by child
void ForceSpeaker(bool enable, uint64_t aChildid);
// Register the SpeakerManager to service for notify the speakerforcedchange event
void RegisterSpeakerManager(SpeakerManager* aSpeakerManager)
{
mRegisteredSpeakerManagers.AppendElement(aSpeakerManager);
}
void UnRegisterSpeakerManager(SpeakerManager* aSpeakerManager)
{
mRegisteredSpeakerManagers.RemoveElement(aSpeakerManager);
}
protected:
SpeakerManagerService();
virtual ~SpeakerManagerService();
// Notify to UA if device speaker status changed
virtual void Notify();
void TurnOnSpeaker(bool aEnable);
/**
* Shutdown the singleton.
*/
static void Shutdown();
nsTArray<RefPtr<SpeakerManager> > mRegisteredSpeakerManagers;
// Set for remember all the child speaker status
nsCheapSet<nsUint64HashKey> mSpeakerStatusSet;
// The Speaker status assign by UA
bool mOrgSpeakerStatus;
bool mVisible;
// This is needed for IPC communication between
// SpeakerManagerServiceChild and this class.
friend class ContentParent;
friend class ContentChild;
};
} // namespace dom
} // namespace mozilla
#endif
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