--- a/vtengines/videoteleng/Inc/Commands/MVtEngCommandHandler.h Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,116 +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 interface of the engine.
-*
-*/
-
-
-
-#ifndef MVTENGCOMMANDHANDLER_H
-#define MVTENGCOMMANDHANDLER_H
-
-// INCLUDES
-#include <e32base.h>
-#include "vtengcommands.h"
-
-// CONSTANTS
-
-// MACROS
-
-// DATA TYPES
-
-// FUNCTION PROTOTYPES
-
-// FORWARD DECLARATIONS
-
-class MVtEngCommandObserver;
-
-// CLASS DECLARATION
-
-/**
-* Handler for commands from client.
-*
-* @lib videoteleng
-* @since 2.6
-*/
-class MVtEngCommandHandler
- {
- public:
-
- /**
- * EAttribAsync
- * command is asynchronous.
- * EAttribEnabled
- * Command can be executed at the moment.
- * EAttribSupported
- * Command is supported by the engine.
- */
- enum TCommandCaps
- {
- EAttribAsync = 0x00000001,
- EAttribEnabled = 0x00000002,
- EAttribSupported = 0x00000004
- };
-
- /**
- * Excecutes a command. This function leaves KErrNotReady
- * if engine is in such a state that command cannot be
- * executed.
- *
- * @param aCommandId command to be executed.
- * @param aParams command parameters, NULL if command
- * does not require any.
- */
- virtual void ExecuteL(
- const TVtEngCommandId aCommandId,
- TDesC8* aParams ) = 0;
-
- /**
- * Cancels a command.
- * @param aCommandId command to cancel.
- * @return KErrNotFound if command is not pending.
- */
- virtual TInt CancelCommand( const TVtEngCommandId aCommandId ) = 0;
-
- /**
- * Returns capabilities of a command.
- * @return command caps
- */
- virtual TInt GetCommandCaps(
- const TVtEngCommandId aCommand ) = 0;
-
- /**
- * Returns pending command.
- * @return pending command
- */
- virtual TVtEngCommandId PendingCommand() = 0;
-
- /**
- * Sets command observer. First call on this is guaranteed
- * to succeed.
- * @param aObserver command observer.
- */
- virtual void AddObserverL( MVtEngCommandObserver& aObserver ) = 0;
-
- /**
- * Removes a command observer or if non-op if specified observer
- * is not found.
- * @param aObserver command observer to be removed.
- */
- virtual void RemoveObserver( MVtEngCommandObserver& aObserver ) = 0;
- };
-
-#endif //MVTENGCOMMANDHANDLER_H
-
-// End of File