// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

/**

 @file

 @internalComponent

 @released

*/

#ifndef AVRCPPLAYERINFOMANAGER_H

#define AVRCPPLAYERINFOMANAGER_H

#include <btsdp.h>

#include <e32base.h>

#include <playerinformationtargetobserver.h>

#include <remconcoreapi.h>

#include <remcon/clientid.h>

#include <remcon/playertype.h>

#include <remcon/remconbearerobserver.h>

#include "avrcpinternalinterface.h"

#include "avrcputils.h"

#include "playerbitmasks.h"

#include "playerstatewatcher.h"

const TInt KAvrcpMediaPlayerItemBaseSize = 28;

NONSHARABLE_CLASS(MPlayerChangeObserver)

	{

public:

	virtual void MpcoAvailablePlayersChanged() = 0;

	virtual void MpcoAddressedPlayerChangedLocally(TRemConClientId aClientId) = 0;

	virtual void MpcoUidCounterChanged(TRemConClientId aClientId) = 0;

	};

NONSHARABLE_STRUCT(TAvrcpMediaPlayerItem)

	{

public:

	TRemConClientId iId;

	TUint8 iPlayerType;

	TUint32 iPlayerSubType;

	TPlayerFeatureBitmask iFeatureBitmask;

	TPtrC8 iName;

	// iUidCounter is set from the bulk thread and read from the control thread

	TUint16 iUidCounter;

	// iLastUpdatedUidCounter is only accessed from the control thread to see if an update

	// is needed

	TUint16 iLastUpdatedUidCounter; 				

	MPlayerEventsObserver::TPlaybackStatus iPlaybackStatus;

	TUint8 iSdpFeatures;

	TBool iBulkClientAvailable;

	// We store absolute volume support because it's returned as part of 

	// a GetCapabilities(EventIds) response.  Some implementations poll

	// for changes to this value so it's probably worthwhile avoiding

	// having to ask RemCon for it repeatedly.

	TBool iAbsoluteVolumeSupport;

	};

class MIncomingCommandHandler;

class MRemConCommandInterface;

class CUidWatcher;

NONSHARABLE_CLASS(CAvrcpPlayerInfoManager) 

	: public CBase, public MUidObserver, public MPlayStatusObserver

	{

//---------------------------------------------------------

// Control thread only functions

//---------------------------------------------------------

public:

	static CAvrcpPlayerInfoManager* NewL(MRemConBearerObserver& aObserver, MRemConCommandInterface& aCommandInterface);

	~CAvrcpPlayerInfoManager();

	// Interface to bearer/remcon

	void ClientAvailable(const TRemConClientId& aId, TPlayerType aClientType, TPlayerSubType aClientSubType, const TDesC8& aName);

	void ClientNotAvailable(const TRemConClientId& aId);

	void ClientStatus(TBool aControllerPresent, TBool aTargetPresent);	

	TInt SetLocalAddressedClient(const TRemConClientId& aId);

	void ControllerFeaturesUpdatedL(RArray<TUid>& aSupportedInterfaces);

	void TargetFeaturesUpdated(const TRemConClientId& aId, TPlayerType aPlayerType, TPlayerSubType aPlayerSubType, const TDesC8& aName);

	MIncomingCommandHandler& InternalCommandHandler();

	// Interface to command handler

	void AddObserverL(MPlayerChangeObserver& aObserver);

	void RemoveObserver(MPlayerChangeObserver& aObserver);

	TUint16 UidCounterL(const TRemConClientId& aClientId) const;

	TBool AbsoluteVolumeSupportedL(const TRemConClientId& aClientId) const;

	TBool BrowsingSupportedL(const TRemConClientId& aClientId) const;

private:

	// Interface to uid counter updates

	static TInt PlayerUpdateCallBack(TAny* aPlayerInfoMgr);

	void UidCounterUpdate();

	// from MPlayStatusObserver

	void MpsoPlayStatusChanged(TRemConClientId aId, MPlayerEventsObserver::TPlaybackStatus aPlaybackStatus);

	void MpsoError(TRemConClientId aId);

	// Helper functions for ClientAvailable and TargetFeaturesUpdated

	TInt SetItemDetails(TAvrcpMediaPlayerItem& aItem, TPlayerType aPlayerType, TPlayerSubType aPlayerSubType, const TDesC8& aName);

	void UpdateTargetSdpRecord();

	// Helper function for SDP record publishing

	void CurrentTargetVersionAndFeatures(TUint16& aAvrcpVersion, TUint16& aAvctpVersion, TUint16& aSdpFeatures);

//---------------------------------------------------------

// Bulk thread only functions

//---------------------------------------------------------

public:	

	// Interface to bearer/remcon

	void BulkClientAvailable(const TRemConClientId& aId);

	void BulkClientNotAvailable(const TRemConClientId& aId);

	MIncomingCommandHandler* BulkStartedL(MRemConCommandInterface& aCommandInterface);

	void BulkStopped();

	// Interface to command handler

	void MediaPlayerItemL(const TUint16& aAvrcpPlayerId, RMediaPlayerItem& aItem);

private: // from MUidObserver

	void MuoUidChanged(TRemConClientId aId, TUint16 aUidCounter);

	void MuoError(TRemConClientId aId);

//---------------------------------------------------------

// Common functions

//---------------------------------------------------------

public:

	// Used to map between AVRCP player ids and RemCon client ids

	TRemConClientId ClientL(TUint16 aAvrcpPlayerId) const;

	TRemConClientId Client(TUint16 aAvrcpPlayerId) const;

	TUint16 PlayerL(const TRemConClientId& aClientId) const;

	// Used to retrieve list of current players

	TInt PlayerListing(TUint aStartItem, TUint aEndItem, RArray<TUint>& aPlayers);

	TInt PlayerListing(RArray<TUint>& aPlayers);

private:

	CAvrcpPlayerInfoManager(MRemConBearerObserver& aObserver);

	void ConstructL(MRemConCommandInterface& aCommandInterface);

	TBool ValidPlayer(const TUint16& aAvrcpPlayerId) const;

	TInt NextPlayerIndex();

	TInt SetPlayerFeatures(const TRemConClientId& aId, TPlayerFeatureBitmask& aBitmask, TUint8& aSdpFeatures, TBool& aAbsoluteVolumeSupported);

	void UpdateTgServiceRecordL();

private:

	RPointerArray<MPlayerChangeObserver> iObservers;

	RArray<TAvrcpMediaPlayerItem> iPlayers;

	CUidWatcher* iUidWatcher;

	CPlayStatusWatcher* iPlayStatusWatcher;

	MRemConBearerObserver& iControlBearerObserver; // unowned - used to determine features of players

	RSpecificThreadCallBack iControlThreadCallBack;

	RSdp						iSdp;

	RSdpDatabase				iSdpDatabase;

	TSdpServRecordHandle		iControllerRecord;

	TSdpServRecordHandle		iTargetRecord;

	mutable RFastLock iLock; // for use in const functions

	};

// The lock is only used for the following members....

//

#endif //AVRCPPLAYERINFOMANAGER_H