--- a/vtengines/videoteleng/Inc/Commands/CVtEngCommandHandler.h Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,193 +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: Command handler of the engine.
-*
-*/
-
-
-
-#ifndef CVTENGCOMMANDHANDLER_H
-#define CVTENGCOMMANDHANDLER_H
-
-// INCLUDES
-#include <e32base.h>
-#include "MVtEngCommandHandler.h"
-#include "mvtengoperationobserver.h"
-
-// FORWARD DECLARATIONS
-class CVtEngHandlerContainer;
-class CVtEngOperation;
-
-// CLASS DECLARATION
-
-/**
-* Handler for commands from client.
-*
-* @lib videoteleng
-* @since 2.6
-*/
-NONSHARABLE_CLASS( CVtEngCommandHandler ) : public CBase,
- public MVtEngCommandHandler,
- public MVtEngOperationObserver
- {
- public: // constructor and destructors
-
- static CVtEngCommandHandler* NewL(
- CVtEngHandlerContainer& aHandlers );
-
- virtual ~CVtEngCommandHandler();
-
- public: // from MVtEngCommandHandler
-
- /**
- * @see MVtEngCommandHandler
- */
- virtual void ExecuteL(
- const TVtEngCommandId aCommand,
- TDesC8* aParams );
-
- /**
- * @see MVtEngCommandHandler
- */
- virtual TInt CancelCommand( const TVtEngCommandId aCommandId );
-
- /**
- * @see MVtEngCommandHandler
- */
- virtual TInt GetCommandCaps(
- const TVtEngCommandId aCommand );
-
- /**
- * @see MVtEngCommandHandler
- */
- virtual TVtEngCommandId PendingCommand();
-
- /**
- * @see MVtEngCommandHandler
- */
- virtual void AddObserverL( MVtEngCommandObserver& aObserver );
-
- /**
- * @see MVtEngCommandHandler
- */
- virtual void RemoveObserver( MVtEngCommandObserver& aObserver );
-
- public: // from MVtEngOperationObserver
-
- /**
- * Handles command completion.
- * @param aCommand command id
- * @param aResult Symbian OS error code.
- */
- virtual void CommandCompleteL(
- const TVtEngCommandId aCommand,
- const TInt aResult );
-
- /**
- * Sets pending asynch operation
- * @param aActiveOp pending operation or NULL.
- */
- virtual void SetOperation( CVtEngOperation* aActiveOp );
-
- private: // constructors
-
- /**
- * Second phase constructor
- */
- void ConstructL();
-
- /**
- * c++ constructor
- */
- CVtEngCommandHandler( CVtEngHandlerContainer& aHandlers );
-
- private:
-
- void AddToPoolL( TVtEngCommandId aCommand );
-
- /**
- * Validates command
- */
- void ValidateL(
- const TVtEngCommandId aCommandId,
- TDesC8* aParams );
-
- /**
- * Check if command is async.
- */
- void CheckAsynchronity(
- const TVtEngCommandId aCommandId,
- TInt& aCaps );
-
- /**
- * Check if command is supported.
- */
- void CheckSupport(
- const TVtEngCommandId aCommandId,
- TInt& aCaps );
-
- /**
- * Check if command is applicable in current state.
- */
- void CheckState(
- const TVtEngCommandId aCommandId,
- TInt& aCaps );
-
- private: // command pool
-
- struct TVtOpItem
- {
- TVtEngCommandId iId;
- CVtEngOperation* iOperation;
- };
- /**
- * Command pool for commands instantiated at construction
- * time to guarantee certain operations.
- */
- NONSHARABLE_CLASS( CVtEngCmdPool ): public CArrayPtrFlat<CVtEngOperation>
- {
- public: // constructor and destructor
-
- // Constructor
- CVtEngCmdPool( TInt aGranularity );
-
- // Destructor
- ~CVtEngCmdPool();
-
- public: // data structures
-
-
- public: // new methods
-
- /**
- * Returns operation stored in the pool.
- * @param aId command id
- * @return operation or NULL if not found.
- */
- CVtEngOperation* Get( const TVtEngCommandId aId );
-
- };
-
- private: // Data members
-
- RPointerArray<MVtEngCommandObserver> iObservers;
- CVtEngHandlerContainer& iHandlers;
- CVtEngOperation* iActiveOp;
- CVtEngCmdPool* iCommandPool;
-
- };
-
-#endif //CVTENGCOMMANDHANDLER_H
-
-// End of File