1 // Copyright (c) 2006-2009 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  @internalComponent

    19 */

    20 

    21 #ifndef CMTPOBJECTBROWSER_H

    22 #define CMTPOBJECTBROWSER_H

    23 

    24 #include <e32base.h>

    25 #include <mtp/mmtpdataproviderframework.h>

    26 #include "mtpdebug.h"

    27 

    28 class CMTPTypeArray;

    29 class CMTPRequestChecker;

    30 class CMTPObjectMetaData;

    31 

    32 class CMTPObjectBrowser: public CBase

    33     {

    34 public:

    35     typedef void ( *TBrowseObjectCallbackProcL )( TAny* aContext, TUint aHandle, TUint32 aCurDepth );

    36     

    37     struct TBrowseCallback

    38         {

    39         TBrowseObjectCallbackProcL iCallback;

    40         TAny* iContext;

    41         };

    42     

    43 public:

    44     static CMTPObjectBrowser* NewL( MMTPDataProviderFramework& aDpFw );

    45     static TBool IsFolderFormat( TUint aFmtCode, TUint aFmtSubCode );

    46     

    47 public:

    48     ~CMTPObjectBrowser();

    49     

    50     void GoL( TUint32 aFormatCode, TUint32 aHandle, TUint32 aDepth, const TBrowseCallback& aBrowseCallback ) const;

    51     

    52 private:

    53     CMTPObjectBrowser( MMTPDataProviderFramework& aDpFw );

    54     void ConstructL();

    55     

    56     void GetObjectHandlesL( TUint32 aCurDepth, TUint32 aStorageId, TUint32 aFormatCode, TUint32 aDepth, TUint32 aParentHandle, const TBrowseCallback& aBrowseCallback ) const;

    57     void GetFolderObjectHandlesL( TUint32 aCurDepth, TUint32 aFormatCode, TUint32 aDepth, TUint32 aParentHandle, const TBrowseCallback& aBrowseCallback ) const;

    58     void GetRootObjectHandlesL( TUint32 aCurDepth, TUint32 aFormatCode, TUint32 aDepth, const TBrowseCallback& aBrowseCallback ) const;

    59     void GetObjectHandlesTreeL( TUint32 aCurDepth, TUint32 aFormatCode, TUint32 aDepth, TUint32 aParentHandle, const TBrowseCallback& aBrowseCallback ) const;

    60     

    61 private:

    62     __FLOG_DECLARATION_MEMBER_MUTABLE;

    63     

    64     MMTPDataProviderFramework& iDpFw;

    65     CMTPObjectMetaData* iObjMetaCache;

    66     };

    67 

    68 #endif // CMTPOBJECTBROWSER_H

    69