--- a/vtengines/videoteleng/Inc/State/CVtEngStateBase.h Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,190 +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: Base class for states
-*
-*/
-
-
-
-#ifndef CVTENGSTATEBASE_H
-#define CVTENGSTATEBASE_H
-
-// INCLUDES
-#include <e32base.h>
-#include "vtengcommands.h"
-#include "CVtEngStateManager.h"
-#include "CVtEngEventManager.h"
-#include "CVtEngMediaHandler.h"
-#include "CVtEngSessionHandler.h"
-#include "CVtEngOperation.h"
-#include "CVtEngSettings.h"
-#include "VtEngUtils.h"
-
-// FORWARD DECLARATIONS
-class CVtEngSessionHandler;
-class CVtEngMediaHandler;
-class CVtEngAudioHandler;
-
-// CLASS DECLARATION
-
-/**
-* State base class
-
-* @lib videoteleng
-* @since 2.6
-*/
-NONSHARABLE_CLASS( CVtEngStateBase ) : public CBase
- {
- public: // Constructors and destructor
-
- /**
- * Destructor.
- */
- virtual ~CVtEngStateBase();
-
- public: // New functions
-
- /**
- * Updates state. May result to state transition
- */
- virtual void UpdateL() = 0;
-
- /**
- * Checks if a command is valid in current state.
- * @param aCommandId command to be validated
- * @return ETrue if command is valid.
- */
- virtual TBool ValidateCommand(
- const TVtEngCommandId aCommandId );
-
- /**
- * Handles an operation. Base class method is empty
- * and derived classes may handle the operation if applicable.
- * @param aOp operation to be handled
- * @return ETrue if handled
- */
- virtual TBool HandleL( CVtEngOperation& aOp );
-
- /**
- * Returns session handler.
- * @return reference to session handler
- */
- CVtEngSessionHandler& SessionHandler();
-
- /**
- * Returns media handler.
- * @return reference to media handler
- */
- CVtEngMediaHandler& MediaHandler();
-
- /**
- * Returns audio handler.
- * @return reference to audio handler
- */
- CVtEngAudioHandler& AudioHandler();
-
- /**
- * Creates new state if needed.
- * @return new state or NULL
- */
- CVtEngStateBase* NewStateL(
- const MVtEngSessionInfo::TSessionState aState );
-
- virtual MVtEngSessionInfo::TSessionState State() const = 0;
-
- public: // New functions
-
- /**
- * Sets new current state.
- * @param aOldState old state.
- */
- void OpenL( CVtEngStateBase* aOldState );
-
- /**
- * For derived classes to handle state change
- */
- virtual void DoOpenL( ) = 0;
-
-
- /**
- * State uninitialization.
- */
- virtual void Close();
-
- protected: // new functions
-
- /**
- * Saves configuration to settings for later
- * usage.
- */
- void SaveToSettingsL( CVtEngOperation& aOp );
-
- /**
- * Notifies state change to event manager.
- * @param aNewState new session state.
- */
- void NotifyStateChange( MVtEngSessionInfo::TSessionState aNewState );
-
- /**
- * Saves video state to settings. Used e.g. when video can not be
- * started in current state.
- * @param aEnabled video is enabled
- */
- void SetVideoEnabled( TBool aEnabled );
-
- /**
- * Goes to disconnecting or idle state if needed.
- * @return state object if transition is required.
- */
- //CVtEngStateBase* DisconnectingOrIdleStateL();
-
- /**
- * Creates negotiating state if bearer state is connected
- * and pv state is ESetup, and UI has indicated state changte
- * is permitted.
- * @return negotiating state object or NULL
- */
- CVtEngStateBase* NegotiatingOrConnectedStateL(
- TBool aAcceptOnlyNegotiating = EFalse );
-
-
- /**
- * Saves video state to settings. Used e.g. when video can not be
- * started in current state.
- * @param aEnabled video is enabled
- */
- void TerminateSessionL( CVtEngOperation& aOp );
-
- protected:
-
- /**
- * C++ constructor.
- */
- CVtEngStateBase(
- CVtEngStateManager& aStateManager,
- CVtEngEventManager& aEventManager );
-
- protected: // Data
- // State manager
- CVtEngStateManager& iStateManager;
-
- // Event manager
- CVtEngEventManager& iEventManager;
-
- private:
- };
-
-#endif // CVTENGSTATEBASE_H
-
-// End of File