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: 
williamr@4: #ifndef REMCONABSOLUTEVOLUMEAPICONTROLLEROBSERVER_H_
williamr@4: #define REMCONABSOLUTEVOLUMEAPICONTROLLEROBSERVER_H_
williamr@4: 
williamr@4: #include <e32base.h>
williamr@4: 
williamr@4: /**
williamr@4: Clients must implement this interface in order to instantiate objects of type 
williamr@4: CRemConAbsoluteVolumeController. This interface passes incoming responses 
williamr@4: from RemCon to the client.
williamr@4: */
williamr@4: class MRemConAbsoluteVolumeControllerObserver
williamr@4: 	{
williamr@4: public:
williamr@4: 	/** 
williamr@4: 	The current volume has been received.
williamr@4: 	 
williamr@4: 	@param aVolume The current relative volume on the target device.
williamr@4: 	@param aMaxVolume The maximum volume against which aVolume is relative.
williamr@4: 	@param aError The response error.
williamr@4: 	*/
williamr@4: 	virtual void MrcavcoCurrentVolume(TUint32 aVolume, 
williamr@4: 			TUint32 aMaxVolume, 
williamr@4: 			TInt aError)=0;
williamr@4: 
williamr@4: 	/**
williamr@4: 	The response for setting absolute volume.
williamr@4: 	
williamr@4: 	@param aVolume The relative volume that has been set on the target device.
williamr@4: 	@param aMaxVolume The maximum volume against which aVolume is relative.
williamr@4: 	@param aError The response error.
williamr@4: 	*/
williamr@4: 	virtual void MrcavcoSetAbsoluteVolumeResponse(TUint32 aVolume, 
williamr@4: 			TUint32 aMaxVolume, 
williamr@4: 			TInt aError)=0;
williamr@4: 	
williamr@4: 	/**
williamr@4: 	The error occurs for absolute volume notification. 
williamr@4: 	
williamr@4: 	When this is called, the client must call
williamr@4: 	RegisterAbsoluteVolumeNotification() to register again if the client 
williamr@4: 	wants to receive the notification.
williamr@4: 	*/
williamr@4: 	virtual void MrcavcoAbsoluteVolumeNotificationError() = 0;
williamr@4: 
williamr@4: 	};
williamr@4: 
williamr@4: #endif /*REMCONABSOLUTEVOLUMEAPICONTROLLEROBSERVER_H_*/