mtpdataproviders/mtpimagedp/inc/cmtpimagedpobjectpropertymgr.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 21 Jun 2010 16:36:59 +0300
branchRCL_3
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Revision: 201020 Kit: 2010125
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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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 @file
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 @internalTechnology
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*/
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#ifndef CMTPIMAGEDPOBJECTPROPERTYMGR_H
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#define CMTPIMAGEDPOBJECTPROPERTYMGR_H
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#include <e32base.h>
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#include <f32file.h>
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#include <e32std.h>
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#include <e32hashtab.h> 
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#include <mdesession.h>
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#include <mtp/mtpprotocolconstants.h>
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#include <mtp/mtpprotocolconstants.h>
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#include <mtp/tmtptypeuint32.h>
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#include "mtpimagedpconst.h"
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class MMTPObjectMgr;
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class MMTPPuidMgr;
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class TMTPTypeUint128;
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class CMTPTypeString;
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class MMTPDataProviderFramework;
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class CFileStore;
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class CMTPTypeString;
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class CMTPObjectMetaData;
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class CMTPImageDataProvider;
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class CMTPTypeOpaqueData;
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class CMTPTypeArray;
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/** 
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Manage picture object properties
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@internalTechnology
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@released
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*/
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class CMTPImageDpObjectPropertyMgr : public CBase, public MMdESessionObserver
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   {    
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public:
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    static CMTPImageDpObjectPropertyMgr* NewL(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider);
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    ~CMTPImageDpObjectPropertyMgr();
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    void SetCurrentObjectL(CMTPObjectMetaData& aObjectInfo, TBool aRequireForModify, TBool aSaveToCache = EFalse);
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    void SetPropertyL(TMTPObjectPropertyCode aProperty, const TUint8 aValue);
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    void SetPropertyL(TMTPObjectPropertyCode aProperty, const TUint16 aValue);
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    void SetPropertyL(TMTPObjectPropertyCode aProperty, const TUint32 aValue);
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    void SetPropertyL(TMTPObjectPropertyCode aProperty, const TUint64 aValue);
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    void SetPropertyL(TMTPObjectPropertyCode aProperty, const TDesC& aValue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, TUint8& aValue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, TUint16& aValue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, TUint32& aValue, TBool alwaysCreate = ETrue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, TUint64& aValue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, TMTPTypeUint128& aValue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, CMTPTypeString& aValue);
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    void GetPropertyL(TMTPObjectPropertyCode aProperty, CMTPTypeArray& aValue, TBool alwaysCreate = ETrue);
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    //clear the cache
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    void ClearAllCache();
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    void ClearCache(TUint aHandle);
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    void ConvertMTPTimeStr2TTimeL(const TDesC& aTimeString, TTime& aModifiedTime) const;
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    void StoreThunmnail(TUint aHandle, HBufC8* aData);
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    HBufC8* Thumbnail(TUint aHandle);
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public:
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    void SetMdeSessionError(TInt aError);
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    CMdESession& MdeSession();
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    // from MMdESessionObserver
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    void HandleSessionOpened(CMdESession& aSession, TInt aError);
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    void HandleSessionError(CMdESession& aSession, TInt aError);
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private:
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    CMTPImageDpObjectPropertyMgr(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider);
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    void ConstructL(MMTPDataProviderFramework& aFramework);
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    TBool GetYear(const TDesC& aDateString, TInt& aYear) const;
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    TBool GetMonth(const TDesC& aDateString, TMonth& aMonth) const;
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    TBool GetDay(const TDesC& aDateString, TInt& aDay) const;
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    TBool GetHour(const TDesC& aDateString, TInt& aHour) const;
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    TBool GetMinute(const TDesC& aDateString, TInt& aMinute) const;
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    TBool GetSecond(const TDesC& aDateString, TInt& aSecond) const;
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    TBool GetTenthSecond(const TDesC& aDateString, TInt& aTenthSecond) const;     
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    void SetProperty2CacheL(TMTPObjectPropertyCode aProperty, TAny* aValue);
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    void GetPropertyFromMdsL(TMTPObjectPropertyCode aProperty, TAny* aValue);
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    void RemoveProperty(CMdEObject& aObject, CMdEPropertyDef& aPropDef);
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2
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    void OpenMdeObjectL();
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    void ClearThumnailCache();
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    TBool FindPropertiesCache(TUint aObjectHandle);
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    void  DestroyPropertiesCahce(TUint aObjectHandle);
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0
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private:
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    //define property cache object
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    class CMTPImagePropertiesCache : public CBase
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    {
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    public:
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        /**
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        MTP image cache properites identifiers.
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        */      
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        enum TElementId
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            {        
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            EImagePixWidth        = 0,
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            EImagePixHeight       = 1,
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            EImageBitDepth        = 2,
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            EDateCreated          = 3,
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            /**
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            The number of elements.        
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            */
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            ENumProperties,
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            };
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    public:
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        static CMTPImagePropertiesCache* NewL();
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        virtual ~CMTPImagePropertiesCache();
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        void ResetL();
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        const TDesC& DesC(TUint aId) const;
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        TUint Uint(TUint aId) const;
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        void SetDesCL(TUint aId, const TDesC& aValue);
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        void SetUint(TUint aId, TUint aValue);
0
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    private:
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        enum TType
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            {
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            EUint       = 0,
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            EDesC       = 1,
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            };
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        struct TElementMetaData
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            {
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            TUint   iOffset;
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            TType   iType;
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            };                
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    private:        
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        CMTPImagePropertiesCache(const TElementMetaData* aElements, TUint aCount);
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        void ConstructL();
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    private:
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        /**
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        The element meta-data.
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        */        
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        const RArray<TElementMetaData>  iElements;
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        /**
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        The DesC element data.
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        */
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        RPointerArray<HBufC>            iElementsDesC;
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        /**
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        The Uint element data.
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        */
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        RArray<TUint>                   iElementsUint;
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        static const TElementMetaData   KElements[];        
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    };
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2
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    /**
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     * Thumbnail cache used for winlogo test
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     */
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    struct TThumbnailCache
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        {
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        TUint    iObjectHandle;
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        HBufC8*  iThumbnailData;
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        };   
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0
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private:
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    /**
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    FLOGGER debug trace member variable.
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    */    
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    __FLOG_DECLARATION_MEMBER_MUTABLE;
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2
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   201
    MMTPDataProviderFramework&  iFramework;
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    CMTPImageDataProvider&      iDataProvider;
0
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    CMdESession*                iMetaDataSession;
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    TInt                        iMdeSessionError;
2
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    CMdEObject*                 iObject;//used for read properties from MdS
0
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   206
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    RFs&                        iFs;
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    MMTPObjectMgr&              iObjectMgr;
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    CMTPObjectMetaData*         iObjectInfo;  //not owned
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    TBool                       iCacheHit;//flag to indicate cache is available
2
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   211
	
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   212
    /*
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     * Cache thumbnail, thumbnail size is inconsistent in winlogo test
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     */
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    TThumbnailCache              iThumbnailCache;
0
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   216
    
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   217
    /**
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     * Cache the latest image properties which PC send to device,
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     * it can optimize synce/reverse-sync performance due to reduction of object properties generation
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     */
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    CMTPImagePropertiesCache*                     iCurrentPropertiesCache;
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    RHashMap<TUint, CMTPImagePropertiesCache*>    iPropretiesCacheMap;
0
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    };
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#endif // CMTPIMAGEDPOBJECTPROPERTYMGR_H