1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @publishedAll

    19  @released

    20 */

    21 

    22 #ifndef REMCONABSVOLTARGET_H

    23 #define REMCONABSVOLTARGET_H

    24 

    25 #include <e32base.h>

    26 #include <remcon/remconinterfacebase.h>

    27 #include <remcon/remconinterfaceif.h>

    28 

    29 class MRemConAbsVolTargetObserver;

    30 class CRemConInterfaceSelector;

    31 

    32 /**

    33 Client-instantiable type supporting sending AbsVol API responses.

    34 */

    35 NONSHARABLE_CLASS(CRemConAbsVolTarget) : public CRemConInterfaceBase, 

    36 								         public MRemConInterfaceIf

    37 	{

    38 public:

    39 	/**

    40 	Factory function.

    41 	@param aInterfaceSelector The interface selector. The client must have 

    42 	created one of these first.

    43 	@param aObserver The observer of this interface.

    44 	@return A new CRemConAbsVolTarget, owned by the interface selector.

    45 	*/

    46 	IMPORT_C static CRemConAbsVolTarget* NewL(CRemConInterfaceSelector& aInterfaceSelector, 

    47 		MRemConAbsVolTargetObserver& aObserver);

    48 	

    49 	/** Destructor. */

    50 	IMPORT_C ~CRemConAbsVolTarget();

    51 

    52 public:

    53 	/**

    54 	Sends a response to a 'get absolute volume' command.

    55 	Only one response per target session can be outstanding at any one time.

    56 	@param aStatus Used by RemCon to indicate completion of the send request.

    57 	@param aAbsVol The volume, on a scale of 0 to aMaxVol.

    58 	@param aMaxVol The maximum volume, to which aAbsVol is relative.

    59 	@param aError The response error.

    60 	*/

    61 	IMPORT_C void GetAbsoluteVolumeResponse(TRequestStatus& aStatus, 

    62 		TUint aAbsVol, 

    63 		TUint aMaxVol, 

    64 		TInt aError);

    65 

    66 	/**

    67 	Sends a response to a 'set absolute volume' command.

    68 	Only one response per target session can be outstanding at any one time.

    69 	@param aStatus Used by RemCon to indicate completion of the request.

    70 	@param aError The response error.

    71 	*/

    72 	IMPORT_C void SetAbsoluteVolumeResponse(TRequestStatus& aStatus, 

    73 		TInt aError);

    74 

    75 private:

    76 	/** 

    77 	Constructor.

    78 	@param aInterfaceSelector The interface selector.

    79 	@param aObserver The observer of this interface.

    80 	*/

    81 	CRemConAbsVolTarget(CRemConInterfaceSelector& aInterfaceSelector, 

    82 		MRemConAbsVolTargetObserver& aObserver);

    83 

    84 private: // from CRemConInterfaceBase

    85 	TAny* GetInterfaceIf(TUid aUid);

    86 

    87 private: // from MRemConInterfaceIf

    88 	void MrcibNewMessage(TUint aOperationId, const TDesC8& aData);

    89 

    90 private: // unowned

    91 	MRemConAbsVolTargetObserver& iObserver;

    92 

    93 private: // owned

    94 	// For operation-specific data.

    95 	static const TUint KMaxOperationDataSize = 0x20;

    96 	TBuf8<KMaxOperationDataSize> iOutData;

    97 	

    98 	// not used by this class, but required for calling RRemCon::Send ...

    99 	TUint iNumRemotes;

   100 	

   101 	};

   102 

   103 #endif // REMCONABSVOLTARGET_H