--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothappprofiles/avrcp/absolutevolumeapi/public/absolutevolumeapicontroller.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,148 @@
+// 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:
+//
+
+
+
+/**
+ @file
+ @publishedAll
+ @released
+*/
+
+#ifndef REMCONABSOLUTEVOLUMEAPICONTROLLER_H_
+#define REMCONABSOLUTEVOLUMEAPICONTROLLER_H_
+
+#include <remcon/remconinterfacebase.h>
+#include <remcon/remconinterfaceif.h>
+#include <absolutevolumeapi.h>
+
+_LIT(KAbsoluteVolumeControllerPanicName, "AbsoluteVolumeController");
+enum TAbsoluteVolumeControllerPanics
+	{
+	EControllerInvalidMaxVolume = 0,
+	EControllerVolumeBeyondMaxVolume = 1,
+	EAbsoluteVolumeNotificationAlreadyRegistered = 2,
+	EMultipleSetAbsoluteVolumes = 3,
+	EMultipleNotifies = 4,
+	};
+
+class MRemConAbsoluteVolumeControllerObserver;
+class CAbsVolSender;
+
+/**
+@internalComponent
+*/
+class MAbsVolSenderObserver
+	{
+public:
+	virtual void MavsoSendComplete(TInt aResult) = 0;
+	};
+
+/**
+This class is used to set and observer the volume level on a remote device.
+
+An active scheduler is required in order to use this class.
+*/
+NONSHARABLE_CLASS(CRemConAbsoluteVolumeController) 
+: public CRemConInterfaceBase, public MRemConInterfaceIf2, public MAbsVolSenderObserver
+	{
+public:    
+	IMPORT_C static CRemConAbsoluteVolumeController* NewL(
+			CRemConInterfaceSelector& aInterfaceSelector, 
+			MRemConAbsoluteVolumeControllerObserver& aObserver,
+			TUint32 aMaxVolume);
+	
+	IMPORT_C ~CRemConAbsoluteVolumeController();
+
+public:    
+	IMPORT_C void SetAbsoluteVolume(TRequestStatus& aStatus, 
+			TUint32 aVolume, 
+			TUint& aNumRemotes); 
+	IMPORT_C void CancelSetAbsoluteVolume();
+	
+	IMPORT_C void RegisterAbsoluteVolumeNotification();    
+	IMPORT_C void CancelAbsoluteVolumeNotification();
+    
+private:    
+	CRemConAbsoluteVolumeController(
+			CRemConInterfaceSelector& aInterfaceSelector, 
+			MRemConAbsoluteVolumeControllerObserver& aObserver,
+			TUint32 aMaxVolume); 
+    void ConstructL();
+
+private: // Utility functions    
+	void HandleNotify(const TDesC8& aData, 
+			TRemConMessageSubType aMessageSubType);  
+    
+    void HandleSetAbsoluteVolumeResponse( const TDesC8& aData );
+    static TInt AsyncErrorCallBack(TAny* aObserver);
+    void KickOffSendIfNeeded();
+    void SetAbsoluteVolumeSendComplete(TInt aResult);
+    void RegisterNotifySendComplete();
+    void SendSetAbsoluteVolume();
+    void SendNotify();
+    
+    void VolumeUpdate(TUint32 aVolume, TUint32 aMaxVolume);
+
+private: // From CRemConInterfaceBase
+	TAny* GetInterfaceIf(TUid aUid);
+    
+private: // From MRemConInterfaceIf2
+	void MrcibNewMessage(TUint aOperationId, 
+			const TDesC8& aData, 
+			TRemConMessageSubType 
+			aMessageSubType);
+    
+private: // From MAbsVolSenderObserver
+		void MavsoSendComplete(TInt aResult);
+	
+private: // Unowned
+	MRemConAbsoluteVolumeControllerObserver& iObserver;
+	  
+private: // Owned
+	// For operation-specific data.
+	TBuf8<KAbsoluteVolumeRequestDataSize> iNotifyData;
+	TBuf8<KAbsoluteVolumeRequestDataSize> iSetData;
+	
+	// Records the current absolute volume value.
+	TUint32 iCurrentVolume;  
+	TUint32 iCurrentMaxVolume;
+	
+	// Used when sending SetAbsoluteVolume commands
+	TUint32 iClientMaxVolume;
+	
+	CAbsVolSender* iAbsVolSender;
+	
+	TBool iNotificationRequested;
+
+	// Only used for abs vol sends.
+	TRequestStatus* iClientStatus;
+	TUint* iClientNumRemotes;
+
+	enum TRequestState
+		{
+	// There is no request outstanding
+	ENotInUse = 0,
+	// We're currently sending this request.
+	ESending,
+	// This request is waiting to be sent (possibly because we were busy sending a previous request when this one arose).
+	EPending,
+		};
+	// The two requests we support.
+	TRequestState iAbsVolRequest;
+	TRequestState iNotifyRequest;
+	};
+
+#endif /*REMCONABSOLUTEVOLUMEAPICONTROLLER_H_*/