--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothappprofiles/avrcp/remconbeareravrcp/inc/playerstatewatcher.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,121 @@
+// Copyright (c) 2008-2009 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:
+//
+
+#ifndef PLAYERSTATEWATCHER_H
+#define PLAYERSTATEWATCHER_H
+
+#include <e32base.h>
+#include <e32hashtab.h>
+#include <remcon/clientid.h>
+#include <playerinformationtargetobserver.h>
+#include "commandhandlerinterface.h"
+
+class MRemConCommandInterface;
+class CInternalCommand;
+class CAvrcpCommand;
+NONSHARABLE_CLASS(CPlayerWatcherBase) : public CBase, public MIncomingCommandHandler
+	{
+public:
+	virtual void StartWatchingPlayerL(TRemConClientId aClientId) = 0;
+	void StopWatchingPlayer(TRemConClientId aClientId);
+	
+protected:
+	virtual void ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData) = 0;
+	virtual void ReceiveReject(TRemConClientId aClientId) = 0;
+
+private: // from MIncomingCommandHandler
+
+	// lower interface 
+	void MessageSent(CAvrcpCommand& aCommand, TInt aSendResult);
+	void MaxPacketSize(TInt aMtu);
+	void ReceiveCommandL(const TDesC8& aMessageInformation, SymbianAvctp::TTransactionLabel aTransLabel, const TBTDevAddr& aAddr);
+	
+	// upper interface
+	TInt SendRemConResponse(TUid aInterfaceUid, TUint aTransactionId, RBuf8& aData) ;
+	void SendReject(TUid aInterfaceUid, TUint aTransactionId);
+	void Disconnect();
+	
+protected:
+	CPlayerWatcherBase(MRemConCommandInterface& aCommandInterface);
+	~CPlayerWatcherBase();
+	
+private:
+	CInternalCommand& FindCommand(TUid aInterfaceUid, TUint aTransactionId, 
+			TRemConClientId& aFoundClientId);
+
+	
+protected:
+	MRemConCommandInterface& iCommandInterface;
+	RHashMap<TRemConClientId, CInternalCommand*> iCommands;
+	};
+
+NONSHARABLE_CLASS(MPlayStatusObserver)
+	{
+public:
+	virtual void MpsoPlayStatusChanged(TRemConClientId aId, MPlayerEventsObserver::TPlaybackStatus aPlaybackStatus) = 0;
+	virtual void MpsoError(TRemConClientId aId) = 0;
+	};
+
+NONSHARABLE_CLASS(CPlayStatusWatcher) : public CPlayerWatcherBase
+	{
+public:
+	static CPlayStatusWatcher* NewL(MPlayStatusObserver& aObserver,
+			MRemConCommandInterface& aCommandInterface);
+	~CPlayStatusWatcher();
+
+	void StartWatchingPlayerL(TRemConClientId aClientId);
+	
+private:
+	CPlayStatusWatcher(MPlayStatusObserver& aObserver,
+			MRemConCommandInterface& aCommandInterface);
+	
+	void SendPlayStatusUpdateRequest(CInternalCommand& aCommand, TRemConClientId& aClientId, MPlayerEventsObserver::TPlaybackStatus aPlaybackStatus);
+	void ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData);
+	void ReceiveReject(TRemConClientId aClientId);
+
+private:
+	MPlayStatusObserver& iObserver;
+	};
+
+
+NONSHARABLE_CLASS(MUidObserver)
+	{
+public:
+	virtual void MuoUidChanged(TRemConClientId aId, TUint16 aUidCounter) = 0;
+	virtual void MuoError(TRemConClientId aId) = 0;
+	};
+
+NONSHARABLE_CLASS(CUidWatcher) : public CPlayerWatcherBase
+	{
+public:
+	static CUidWatcher* NewL(MUidObserver& aObserver,
+			MRemConCommandInterface& aCommandInterface);
+	~CUidWatcher();
+	
+	void StartWatchingPlayerL(TRemConClientId aClientId);
+
+private:
+	CUidWatcher(MUidObserver& aObserver,
+			MRemConCommandInterface& aCommandInterface);
+	
+	void SendUidUpdateRequest(CInternalCommand& aCommand, TRemConClientId& aClientId, TUint16 aUidCounter);
+	void ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData);
+	void ReceiveReject(TRemConClientId aClientId);
+
+private:
+	MUidObserver& iObserver;
+	};
+
+#endif //PLAYERSTATEWATCHER_H