// Copyright (c) 2004-2009 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 REMCONABSVOLCONTROLLER_H
#define REMCONABSVOLCONTROLLER_H
#include <e32base.h>
#include <remcon/remconinterfacebase.h>
#include <remcon/remconinterfaceif.h>
class MRemConAbsVolControllerObserver;
class CRemConInterfaceSelector;
/**
Client-instantiable type supporting sending AbsVol API responses.
*/
NONSHARABLE_CLASS(CRemConAbsVolController) : public CRemConInterfaceBase,
public MRemConInterfaceIf
{
public:
/**
Factory function.
@param aInterfaceSelector The interface selector. The client must have
created one of these first.
@param aObserver The observer of this interface.
@return A new CRemConAbsVolController, owned by the interface selector.
*/
IMPORT_C static CRemConAbsVolController* NewL(CRemConInterfaceSelector& aInterfaceSelector,
MRemConAbsVolControllerObserver& aObserver);
/** Destructor. */
IMPORT_C ~CRemConAbsVolController();
public:
/**
Sends a 'get absolute volume' command. The absolute volume will be
returned in response(s) via the observer interface.
Only one command per controller session can be outstanding at any one time.
@param aStatus Used by RemCon to indicate completion of the send request.
@param aNumRemotes The number of remotes to which the command was sent.
*/
IMPORT_C void GetAbsoluteVolume(TRequestStatus& aStatus, TUint& aNumRemotes);
/**
Sends a 'set absolute volume' command. The volume is set to aAbsVol, on a
range of zero to aMaxVol. Any responses will be returned via the observer
interface.
Only one command per controller session can be outstanding at any one time.
@param aStatus Used by RemCon to indicate completion of the send request.
@param aAbsVol The relative volume.
@param aMaxVol The maximum against which aAbsVol is relative.
@param aNumRemotes The number of remotes to which the command was sent.
*/
IMPORT_C void SetAbsoluteVolume(TRequestStatus& aStatus, TUint aAbsVol, TUint aMaxVol, TUint& aNumRemotes);
private:
/**
Constructor.
@param aInterfaceSelector The interface selector.
@param aObserver The observer of this interface.
*/
CRemConAbsVolController(CRemConInterfaceSelector& aInterfaceSelector,
MRemConAbsVolControllerObserver& aObserver);
private: // from CRemConInterfaceBase
TAny* GetInterfaceIf(TUid aUid);
private: // from MRemConInterfaceIf
void MrcibNewMessage(TUint aOperationId, const TDesC8& aData);
private: // unowned
MRemConAbsVolControllerObserver& iObserver;
private: // owned
static const TUint KMaxOperationDataSize = 0x20;
TBuf8<KMaxOperationDataSize> iOutData;
};
#endif // REMCONABSVOLCONTROLLER_H