1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 

    22 #ifndef CMTPIMAGEDP_H

    23 #define CMTPIMAGEDP_H

    24 

    25 #include <e32property.h> 

    26 #include <w32std.h> // PTP server/stack

    27 #include <e32hashtab.h> 

    28 #include <e32def.h>

    29 #include <mtp/cmtpdataproviderplugin.h>

    30 #include <comms-infras/commsdebugutility.h>

    31 

    32 #include <mtp/cmtpdataproviderplugin.h>

    33 #include "mmtpenumerationcallback.h"

    34 #include "cmtpimagedpobjectpropertymgr.h"

    35 

    36 class MMTPRequestProcessor;

    37 class CMTPImageDpThumbnailCreator;

    38 class CMTPImageDpObjectPropertyMgr;

    39 class CMTPImageDpMdeObserver;

    40 class CRepository;

    41 class CMTPImageDpRenameObject;

    42 

    43 const TInt KMaxExtNameLength = 4;

    44 

    45 /** 

    46 Implements the picture data provider plugin.

    47 @internalComponent

    48 */

    49 class CMTPImageDataProvider : public CMTPDataProviderPlugin,

    50                               public MMTPEnumerationCallback

    51     {

    52 public:

    53 

    54     static TAny* NewL(TAny* aParams);

    55     ~CMTPImageDataProvider();

    56     

    57 public:

    58     CMTPImageDpObjectPropertyMgr& PropertyMgr()const;

    59     CMTPImageDpThumbnailCreator&  ThumbnailManager() const;

    60     CRepository& Repository() const;

    61     

    62     TMTPFormatCode FindFormatL(const TDesC& aExtension);

    63     TBool GetCacheParentHandle(const TDesC& aParentPath, TUint32& aParentHandle);

    64     void  SetCacheParentHandle(const TDesC& aParentPath, TUint32 aParentHandle);

    65     void AppendDeleteObjectsArrayL(const TDesC& aSuid);

    66     void HandleDeleteObjectsArray();

    67     

    68 public: // From CMTPDataProviderPlugin

    69     void Cancel();

    70     void ProcessEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection);

    71     void ProcessNotificationL(TMTPNotification aNotification, const TAny* aParams);

    72     void ProcessRequestPhaseL(TMTPTransactionPhase aPhase, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    73     void StartObjectEnumerationL(TUint32 aStorageId, TBool aPersistentFullEnumeration);

    74     void StartStorageEnumerationL();

    75     void Supported(TMTPSupportCategory aCategory, RArray<TUint>& aArray) const;

    76     void SupportedL(TMTPSupportCategory aCategory, CDesCArray& aStrings) const;

    77     

    78 public: // From MMTPEnumerationCallback    

    79     void NotifyStorageEnumerationCompleteL();

    80     void NotifyEnumerationCompleteL(TUint32 aStorageId, TInt aError);

    81            

    82 private:

    83     CMTPImageDataProvider(TAny* aParams);

    84     void ConstructL();

    85 

    86     TInt LocateRequestProcessorL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    87     TInt LocateRequestProcessorL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection);    

    88     void SessionClosedL(const TMTPNotificationParamsSessionChange& aSession);

    89     void SessionOpenedL(const TMTPNotificationParamsSessionChange& aSession);

    90     void RenameObjectL(const TMTPNotificationParamsHandle& aParam);

    91     

    92     TUint QueryImageObjectCountL();

    93     

    94 private:

    95     struct SMTPImageDpParentCache

    96         {        

    97         TPath   iPath;

    98         TUint32 iHandle;

    99         };

   100     

   101 private:

   102 	/**

   103     FLOGGER debug trace member variable.

   104     */

   105     __FLOG_DECLARATION_MEMBER_MUTABLE;

   106     

   107     CMTPImageDpObjectPropertyMgr*       iPropertyMgr;    

   108     CMTPImageDpThumbnailCreator*        iThumbnailManager;

   109     CMTPImageDpMdeObserver*             iMdeObserver;

   110     CRepository*                        iRepository;

   111     CMTPImageDpRenameObject*            iRenameObject;

   112     

   113     /**

   114     The active request processors table.

   115     */ 

   116     RPointerArray<MMTPRequestProcessor> iActiveProcessors;

   117     

   118     /**

   119      * contain the image mapping of extenstion to formatcode

   120      */

   121     RHashMap<TBuf<KMaxExtNameLength>, TMTPFormatCode> iFormatMappings;

   122     

   123     SMTPImageDpParentCache  iParentCache;

   124     

   125     TUint                   iPrePictures;

   126     

   127     TInt                    iActiveProcessor;

   128     TBool                   iActiveProcessorRemoved;    

   129     TBool                   iEnumerated;

   130 	

   131 	RPointerArray<HBufC>    iDeleteObjectsArray;

   132     };

   133     

   134 #endif // CMTPIMAGEDP_H