diff -r f15ac8e65a02 -r 779871d1e4f4 vtuis/lcvtplugin/inc/base/clcvtactiveexec.h --- a/vtuis/lcvtplugin/inc/base/clcvtactiveexec.h Tue Aug 31 15:16:10 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,169 +0,0 @@ -/* -* Copyright (c) 2008 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: Asynchronous execution class for LC VT plugin. -* -*/ - - - -#ifndef CLCVTACTIVEEXEC_H -#define CLCVTACTIVEEXEC_H - -// INCLUDES -#include - -// FORWARD DECLARATIONS -class CLcVtActiveExec; - -// CLASS DECLARATION - -/** -* Interface for asynchronous execution. -* -* @since Series 60 2.6 -*/ -class MLcVtActiveExec - { - public: // New functions - - /** - * Starts execution of a command. - * @param aActiveExec active executor. - * @param aState state based on which execution can be started. - * @param aNextState next state. - * @param aRequest request status, which should be used if operation is - * asynchronous. - * @return ETrue if operation was synchronous, otherwise EFalse. - */ - virtual TBool ActiveExecExecuteL( - CLcVtActiveExec& aActiveExec, - const TInt aState, - TInt& aNextState, - TRequestStatus& aRequest ) = 0; - - /** - * Decide whether to continue or not. - * @param aActiveExec active executor. - * @param aState current state, should be updated to new state. - * @param aError error code. - * @return ETrue if continued, EFalse if stopped. - */ - virtual TBool ActiveExecContinue( - CLcVtActiveExec& aActiveExec, - TInt& aState, - const TInt aError ) = 0; - - /** - * Cancels operation of specific state. - * @param aActiveExec active executor. - * @param aState state. - */ - virtual void ActiveExecCancel( - CLcVtActiveExec& aActiveExec, - const TInt aState ) = 0; - - /** - * Informs that operation has been finished. - * @param aActiveExec active executor. - * @param aInitialState initial state. - */ - virtual void ActiveExecDone( - CLcVtActiveExec& aActiveExec, - const TInt aInitialState ) = 0; - - }; - -/** -* Asynchronous execution class for LC VT plugin. -* -* @since Series 60 2.6 -*/ -class CLcVtActiveExec - : public CActive - { - public: // Constructors and destructor - - /** - * Constructor. - * @param aPriority priority of the active object. - */ - CLcVtActiveExec( - const TInt aPriority ); - - /** - * Destructor. - */ - ~CLcVtActiveExec(); - - public: // New functions - - /** - * Starts execution. - * @param aStartState initial state. - * @param aExec executor. - */ - void Start( - TInt aStartState, - MLcVtActiveExec& aExec ); - - /** - * Initial state of currently - * active operation. - * - * @return initial state, or KErrNotFound if no operation ongoing. - */ - TInt InitialState() const; - - /** - * Returns request status. - * @return request status. - */ - TInt RequestStatus() const; - - protected: // Functions from base classes - - /** - * @see CActive::RunL. - */ - virtual void RunL(); - - /** - * @see CActive::DoCancel. - */ - virtual void DoCancel(); - - /** - * @see CActive::RunError. - */ - virtual TInt RunError( TInt aError ); - - private: - - // Ref to active executor. - MLcVtActiveExec* iActiveExec; - - // Initial state. - TInt iInitialState; - - // Current state. - TInt iCurrentState; - - // Next state. - TInt iNextState; - - }; - -#endif // CLCVTACTIVEEXEC_H - -// End of File