/*
* 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: Handles duplicate detection for images and videos
*
*/
#ifndef __CMFMMDEDUPLICATEDETECTOR_H
#define __CMFMMDEDUPLICATEDETECTOR_H
#include <e32base.h>
#include <mdequery.h>
// Forward declarations
class CCmFillListItem;
class MCmFmItemHandlerObserver;
class CMdESession;
class CMdENamespaceDef;
class CMdEObjectDef;
class CMdEObjectQuery;
class CMdEPropertyDef;
// Class declarations
/**
* CCmFmMdEDuplicateDetector class
* Part of Fill manager. CCmFmMdEDuplicateDetector manages
* duplicate detection for images and videos
*
* @lib cmfillmanager.lib
*
* @since S60 5.1
*/
NONSHARABLE_CLASS( CCmFmMdEDuplicateDetector ) : public CBase,
public MMdEQueryObserver
{
public:
/**
* Two-phased constructor.
*
* @since S60 5.1
* @param aObserver, observer class
* @param aSession, mde session
* @return pointer to CCmFmMdEDuplicateDetector class
*/
static CCmFmMdEDuplicateDetector* NewL(
MCmFmItemHandlerObserver& aObserver, CMdESession& aSession );
/**
* Two-phased constructor.
*
* @since S60 5.1
* @param aObserver, observer class
* @param aSession, mde session
* @return pointer to CCmFmMdEDuplicateDetector class
*/
static CCmFmMdEDuplicateDetector* NewLC(
MCmFmItemHandlerObserver& aObserver, CMdESession& aSession );
/**
* Destructor.
*/
virtual ~CCmFmMdEDuplicateDetector();
public:
/**
* Check if file is duplicate.
*
* @since S60 5.1
* @param aItem, item to be checked
* @return None
*/
void CheckImageOrVideoL( const CCmFillListItem& aItem );
/**
* Add to items array for duplicated check
* @param aItem, item to be append
* @return None
*/
void AppendToArrayL( const CCmFillListItem& aItem );
/**
* reset the duplicator check array
* @param None
* @return None
*/
void ResetArray();
protected:
// From base class MMdEQueryObserver
/**
* From MMdEQueryObserver
* See base class definition
*/
void HandleQueryNewResults( CMdEQuery& aQuery,
TInt aFirstNewItemIndex,
TInt aNewItemCount );
/**
* From MMdEQueryObserver
* See base class definition
*/
void HandleQueryCompleted(CMdEQuery& aQuery, TInt aError);
private:
/**
* Set logic condition for image and video item query
*
* @since S60 5.1
* @param aItem, item to be checked
* @return None
*/
void SetLogicConditionL( const CCmFillListItem& aItem );
/**
* Check if file is duplicate by compareing with array.
* @param aItem, item to be checked
* @return None
*/
void CheckImageOrVideoLIfDuplicated( const CCmFillListItem& aItem );
private:
/**
* Performs the first phase of two phase construction.
*
* @since S60 5.1
* @param aObserver, item handler observer
* @param aSession, mde session
*/
CCmFmMdEDuplicateDetector( MCmFmItemHandlerObserver& aObserver,
CMdESession& aSession );
/**
* Performs the second phase construction.
*/
void ConstructL( );
private:
/**
* Observer class
*/
MCmFmItemHandlerObserver& iObserver;
/**
* MdE session
*/
CMdESession& iSession;
/**
* mde namespace
*/
CMdENamespaceDef* iNamespace; // owned
/**
* Object definition ( Image/Video )
*/
CMdEObjectDef* iObjectDef; // owned
/**
* Object definition ( Image/Video )
*/
CMdEObjectDef* iMediaTypeDef; // owned
/**
* Object query
*/
CMdEObjectQuery* iQuery; // owned
/**
* Queried property
*/
CMdEPropertyDef* iTitle; // owned
/**
* Queried property
*/
CMdEPropertyDef* iSize; // owned
/**
* Queried property
*/
CMdEPropertyDef* iDate; // owned
/**
* Item to be checked
*/
CCmFillListItem* iCheckItem;
/**
* Array of fill list items
*/
RPointerArray<CCmFillListItem> iExistFiles; // Owned
/**
* current download media type
*/
TCmMediaType iCurrentMediaType;
};
#endif // __CMFMMDEDUPLICATEDETECTOR_H