--- a/vtengines/videoteleng/Inc/Commands/CVtEngOperation.h Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,158 +0,0 @@
-/*
-* Copyright (c) 2006 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: Operation base class.
-*
-*/
-
-
-
-#ifndef CVTENGOPERATION_H
-#define CVTENGOPERATION_H
-
-// INCLUDES
-#include <e32base.h>
-#include "vtengcommands.h"
-
-// FORWARD DECLARATIONS
-class CVtEngCommandHandler;
-class CVtEngHandlerContainer;
-class MVtEngOperationObserver;
-
-/**
-* Operation base class.
-*
-* @lib videoteleng
-* @since 2.6
-*/
-NONSHARABLE_CLASS( CVtEngOperation ) : public CBase
- {
- public: // constructor and destructors
-
- /**
- * two-phase constructor
- * @param aCommandId command id
- * @param aHandlers handler container
- * @param aObserver observer called back when operation is completed
- * @param aDelete if ETrue command deletes itself after completion
- */
- static CVtEngOperation* NewL(
- TVtEngCommandId aCommandId,
- CVtEngHandlerContainer& aHandlers,
- MVtEngOperationObserver& aObserver,
- TBool aDelete = ETrue );
-
- /**
- * Destructor
- */
- ~CVtEngOperation( );
-
- public: // new functions
-
- /**
- * Performs operations.
- * @return ETrue is operation is complete (i.e. sync).
- */
- virtual TBool ExecuteL( TDesC8* aParams );
-
- /**
- * Cancels pending command.
- * @return ETrue if cancelled was succesfull or there
- * is nothing to cancel.
- */
- TBool Cancel();
-
- /**
- * Returns command identifier.
- * @return command identifier
- */
- inline TVtEngCommandId Command() const;
-
- /**
- * Returns command parameter buffer.
- * @return parameter buffer
- */
- inline const TDesC8* Parameters() const;
-
- /**
- * Notifies observer on completion.
- * @param aResult Symbian OS error code
- */
- virtual void HandleOpComplete( const TInt aResult );
-
- protected: // new functions
-
- /**
- *
- */
- TBool OfferExecuteSyncL( TDesC8* aParams );
-
- protected:
- /**
- * c++ constructor
- */
- CVtEngOperation(
- TVtEngCommandId aCommandId,
- CVtEngHandlerContainer& aHandlers,
- MVtEngOperationObserver& aCommandHandler,
- TBool aDelete );
-
- /**
- * Handles asynchronous operation complete
- */
- static TInt ASyncHandleOpComplete( TAny* aPtr );
-
- protected:
-
- // Command identifier
- const TVtEngCommandId iCommand;
-
- // Handler container
- CVtEngHandlerContainer& iHandlers;
-
- // observer for command response
- MVtEngOperationObserver& iObserver;
-
- // Parameter
- TDesC8* iParams;
-
- // Delete command when complete
- TBool iDelete;
-
- // Pointer to asynchronous callback
- CAsyncCallBack* iAsyncCallback;
-
- // Asynchronous callback error identifier
- TInt iAsyncErr;
- };
-
-/**
-* Utility class for unpacking data type with descriptor data.
-* @lib videoteleng
-* @since 2.6
-*/
-template <class T>
-class TVtEngOpParamUtil
- {
- public:
- /**
- * Sets parameter in aDes to aRef.
- */
- inline void static Set( T& aRef , const CVtEngOperation& aOp );
- };
-
-#include "CVtEngOperation.inl"
-
-#endif // CVTENGOPERATION_H
-
-// End of File