/*
* Copyright (c) 2006,2007 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: CUniEditorChangeSlideOperation, asynchronous operation for changing slide
*
*/
#ifndef __UNIEDITORCHANGESLIDEOPERATION_H
#define __UNIEDITORCHANGESLIDEOPERATION_H
// INCLUDES
#include <unislideloader.h>
#include "UniEditorOperation.h"
#include "UniEditorDocument.h"
#include "UniEditorSaveOperation.h"
// CONSTANTS
// MACROS
// FORWARD DECLARATIONS
class CUniEditorHeader;
class CUniSlideLoader;
class CMsgEditorView;
// DATA TYPES
// FUNCTION PROTOTYPES
// CLASS DECLARATION
/**
* CUniEditorChangeSlideOperation, Storage for single attachment in presentation.
*
* @since 3.2
*/
class CUniEditorChangeSlideOperation : public CUniEditorOperation,
public MUniSlideLoaderObserver
{
public: // New methods
/**
* Factory method that creates this object.
*
* @since 3.2
* @param aObserver
* @return Pointer to instance in cleanup stack
*/
static CUniEditorChangeSlideOperation* NewL( MUniEditorOperationObserver& aOperationObserver,
CUniEditorDocument& aDocument,
CUniEditorHeader& aHeader,
CUniSlideLoader& aSlideLoader,
CMsgEditorView& aView,
RFs& aFs );
/**
* Destructor
*/
virtual ~CUniEditorChangeSlideOperation();
/**
* Start slide changing
*/
void ChangeSlide( TInt aNextNum );
private:
/**
* From MUniSlideLoaderObserver
*/
void SlideLoadReady( TInt aError );
/**
* From CActive
*/
void RunL();
/**
* From CUniEditorOperation
*/
void DoCancelCleanup();
/**
* From CUniEditorOperation
*/
void HandleOperationEvent( TUniEditorOperationType aOperation,
TUniEditorOperationEvent aEvent );
/**
* Performs change slide step
*/
void DoChangeSlideStepL();
/**
* Performs save step
*/
void DoSaveL();
/**
* Performs load step
*/
void DoLoadL();
/**
* Performs finalization step
*/
void DoFinalizeL();
protected:
/**
* Constructor.
*/
CUniEditorChangeSlideOperation( MUniEditorOperationObserver& aOperationObserver,
CUniEditorDocument& aDocument,
CUniEditorHeader& aHeader,
CUniSlideLoader& aSlideLoader,
CMsgEditorView& aView,
RFs& aFs );
/**
* 2nd phase constructor.
*/
void ConstructL();
protected: // data
enum TUniEditorChangeSlideState
{
EUniEditorChangeSlideSave,
EUniEditorChangeSlideLoad,
EUniEditorChangeSlideFinalize,
EUniEditorChangeSlideEnd
};
CUniEditorHeader& iHeader;
CUniSlideLoader& iSlideLoader;
CMsgEditorView& iView;
TInt iNextNum;
CUniEditorSaveOperation* iSaveOperation;
};
#endif // __UNIEDITORCHANGESLIDEOPERATION_H