williamr@4: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@4: // All rights reserved.
williamr@4: // This component and the accompanying materials are made available
williamr@4: // under the terms of "Eclipse Public License v1.0"
williamr@4: // which accompanies this distribution, and is available
williamr@4: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@4: //
williamr@4: // Initial Contributors:
williamr@4: // Nokia Corporation - initial contribution.
williamr@4: //
williamr@4: // Contributors:
williamr@4: //
williamr@4: // Description:
williamr@4: //
williamr@4: 
williamr@4: 
williamr@4: 
williamr@4: /**
williamr@4:  @file
williamr@4:  @publishedAll
williamr@4:  @released
williamr@4: */
williamr@4: 
williamr@4: #ifndef REMCONABSOLUTEVOLUMEAPITARGET_H
williamr@4: #define REMCONABSOLUTEVOLUMEAPITARGET_H
williamr@4: 
williamr@4: #include <remcon/remconinterfacebase.h>
williamr@4: #include <remcon/remconinterfaceif.h>
williamr@4: 
williamr@4: _LIT(KAbsoluteVolumeTargetPanicName, "AbsoluteVolumeTarget");
williamr@4: enum TAbsoluteVolumeTargetPanics
williamr@4:     {
williamr@4:     ETargetInvalidMaxVolume = 0,
williamr@4:     ETargetVolumeBeyondMaxVolume = 1,
williamr@4:     };
williamr@4: 
williamr@4: class MRemConAbsoluteVolumeTargetObserver;
williamr@4: 
williamr@4: /**
williamr@4: Client-instantiable type supporting sending absolute volume API responses for
williamr@4: Set Absolute Volume and Register Absolute Volume Change Notification. This API
williamr@4: should be used in preference to the extapi.
williamr@4: */
williamr@4: NONSHARABLE_CLASS(CRemConAbsoluteVolumeTarget) : public CRemConInterfaceBase,
williamr@4:                                                  public MRemConInterfaceIf2
williamr@4: 	{
williamr@4: public:
williamr@4: 	IMPORT_C static CRemConAbsoluteVolumeTarget* NewL(
williamr@4: 			CRemConInterfaceSelector& aInterfaceSelector, 
williamr@4: 			MRemConAbsoluteVolumeTargetObserver& aObserver,
williamr@4: 			TUint32 aVolume, 
williamr@4: 			TUint32 aMaxVolume);
williamr@4: 	
williamr@4: 	IMPORT_C ~CRemConAbsoluteVolumeTarget();
williamr@4: 
williamr@4: public:
williamr@4: 	IMPORT_C void SetAbsoluteVolumeResponse(TUint32 aVolume, 
williamr@4: 			TInt aErr);
williamr@4: 	
williamr@4: 	IMPORT_C void AbsoluteVolumeChanged(TUint32 aVolume);
williamr@4: 	
williamr@4: private:
williamr@4:     CRemConAbsoluteVolumeTarget(CRemConInterfaceSelector& aInterfaceSelector,
williamr@4:     		MRemConAbsoluteVolumeTargetObserver& aObserver,
williamr@4:     		TUint32 aVolume, 
williamr@4:     		TUint32 aMaxVolume);
williamr@4: 
williamr@4: 	void ConstructL();
williamr@4: 
williamr@4: private: // From CRemConInterfaceBase
williamr@4: 	TAny* GetInterfaceIf(TUid aUid);
williamr@4: 
williamr@4: private: // From MRemConInterfaceIf2
williamr@4: 	void MrcibNewMessage(TUint aOperationId, 
williamr@4: 			const TDesC8& aData, 
williamr@4: 			TRemConMessageSubType aMsgSubType);
williamr@4: 
williamr@4: private: // Utility Funtions
williamr@4: 	void SendError(TInt aError, TUint aOperationId);
williamr@4: 	void SendNotificationResponse(TRemConMessageSubType aMsgSubType);
williamr@4: 	void ProcessGetStatus();
williamr@4: 	void ProcessGetStatusAndBeginObserving();
williamr@4: 	void ProcessSetAbsoluteVolume(const TDesC8& aData);
williamr@4: 
williamr@4: private: // Unowned
williamr@4:     MRemConAbsoluteVolumeTargetObserver& iObserver;
williamr@4: 
williamr@4: private: // Owned
williamr@4: 	// ETrue indicates a request for absolute volume change notification has 
williamr@4: 	// been received.
williamr@4: 	TBool                     iAbsoluteVolumeNotificationRequest;
williamr@4: 	RBuf8                     iOutBuf;
williamr@4: 	TUint32                   iClientVolume;
williamr@4: 	TUint32                   iClientMaxVolume;
williamr@4: 	};
williamr@4: #endif // ABSOLUTEVOLUMEAPITARGET_H