/*
* 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: CUniEditorProcessImageOperation class definition.
*
*/
#ifndef __UNIEDITORPROCESSIMAGEOPERATION_H
#define __UNIEDITORPROCESSIMAGEOPERATION_H
// INCLUDES
#include <e32base.h>
#include <msvapi.h>
#include <uniobject.h>
#include <uniimageprocessor.h>
#include <cmsvattachment.h>
#include "UniEditorOperation.h"
// FORWARD DECLARATIONS
class CMsgImageInfo;
class CMsgImageControl;
class CUniEditorDocument;
class MMsvAttachmentManager;
class CMsvStore;
// DATA TYPES
// CLASS DECLARATION
/**
* CUniEditorProcessImageOperation
*
* @since 3.2
*/
class CUniEditorProcessImageOperation : public CUniEditorOperation,
public MUniImageProcessorCallback
{
public: // new operations
/**
* Factory method
*/
static CUniEditorProcessImageOperation* NewL(
MUniEditorOperationObserver& aObserver,
CUniEditorDocument& aDocument,
RFs& aFs );
/**
* Start image process operation
*
* @param aImageInfo
* @param aAttachmentId Attachment id, if the image is already stored as an attachment
* KMsvNullIndexEntryId, otherwise.
* @param aMessageSize
*/
void Process( CMsgImageInfo* aImageInfo, TMsvAttachmentId aAttachmentId, TInt aMessageSize );
/**
* Destructor
*/
virtual ~CUniEditorProcessImageOperation();
/**
* Detaches image info object.
*/
CMsgImageInfo* DetachImageInfo();
/**
* Detaches attachment id.
*/
void DetachAttachmentId( TMsvAttachmentId& aAttachmentId );
protected:
/**
* From CActive
*/
void RunL();
/**
* From CActive
*/
TInt RunError( TInt aError );
/**
* From CUniEditorOperation
*/
void DoCancelCleanup();
/**
* From MUniImageProcessorCallback
*/
void ImageProcessingReady( TSize aBitmapSize, TInt aFileSize, TBool aCompressed );
private: // new operations
/**
* C++ constructor
*/
CUniEditorProcessImageOperation( MUniEditorOperationObserver& aObserver,
CUniEditorDocument& aDocument,
RFs& aFs );
/**
* 2nd phase constructor.
*/
void ConstructL();
/**
* Returns optimal send image size.
*/
TSize ImageSendSize() const;
/**
* Checks whether some processing is needed for the image.
* Stores the possible processing method to "iProcessMethod".
*
* @return EFalse if aborted by user,
* ETrue otherwise
*/
TBool CheckNeedToProcess();
/**
* Creates empty attachment.
*/
void CreateEmptyAttachmentL();
/**
* Start check step.
*/
void DoStartCheck();
/**
* Start process step.
*/
void DoStartProcessL();
/**
* Start resolve step.
*/
void DoStartResolveL();
/**
* Processing ready.
*/
void DoReady();
/**
* Performs error handling without state change.
*/
void DoErrorWithoutStateChange();
/**
* Opens file by file name. If it fails with KErrPermissionDenied,
* file is searched from message store and opened from there
*/
RFile OpenFileForReadingL();
private: // data
enum TUniProcessStates
{
EUniProcessImgCheck,
EUniProcessImgProcess,
EUniProcessImgResolve,
EUniProcessImgReady,
EUniProcessImgError
};
enum TUniProcessMethods
{
EUniProcessImgMethodNone = 0x0,
EUniProcessImgMethodScale = 0x1,
EUniProcessImgMethodConvert = 0x2,
EUniProcessImgMethodCompress = 0x4
};
CMsgImageInfo* iImageInfo;
TMsvAttachmentId iAttachmentId;
TInt iMessageSize;
CMsgImageInfo* iNewImageInfo;
RFile iNewImageFile;
TMsvAttachmentId iNewAttaId;
CMsvStore* iEditStore;
CUniImageProcessor* iImageProcessor;
TInt iProcessMethod;
TSize iScaleSize;
TSize iScaleSizeResult;
TDataType iTargetType;
TBool iExactImageScaling;
};
#endif //__UNIEDITORPROCESSIMAGEOPERATION_H