1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Metadata resolver class in the Memory manager component

    15 *

    16 */

    17 

    18 

    19 #ifndef C_CMMMIMAGEMETADATARESOLVER_H

    20 #define C_CMMMIMAGEMETADATARESOLVER_H

    21 

    22 #include <e32base.h>

    23 #include <f32file.h> // RFs

    24 

    25 // Forward declarations

    26 class CExifRead;

    27 class CExifModify;

    28 

    29 /**

    30  *  CCmMmImageMetadataResolver class

    31  *  Part of Memory manager

    32  *

    33  *  @lib cmmemorymanager.lib

    34  *  @since S60 v3.2

    35  */

    36 class CCmMmImageMetadataResolver : public CBase

    37     {

    38 

    39 public: // Symbian constructors and C++ destructor

    40 

    41     /**

    42      * Creates new CCmMmImageMetadataResolver class

    43      *

    44      * @since S60 3.2

    45      * @param aFileSession

    46      * @return pointer to CCmMmImageMetadataResolver object

    47      */

    48     static CCmMmImageMetadataResolver* NewL( RFs& aFileSession );

    49 

    50     /**

    51      * Creates new CCmMmImageMetadataResolver class and leaves the instance

    52      * in the cleanup stack

    53      *

    54      * @since S60 3.2

    55      * @param aFileSession

    56      * @return  pointer to CCmMmImageMetadataResolver object

    57      */

    58     static CCmMmImageMetadataResolver* NewLC( RFs& aFileSession );

    59 

    60     /**

    61      * @since S60 3.2

    62      *

    63      * C++ destructor

    64      */

    65     virtual ~CCmMmImageMetadataResolver();

    66 

    67 public: // New methods

    68 

    69     /**

    70      * Captures orginal metadata

    71      * @since S60 3.2

    72      * @param aOrigFileName, orginal file name

    73      * @return None

    74      */

    75     void CaptureOrginalMetadataL( const TDesC& aOrigFileName );

    76     

    77     /**

    78      * Captures and resolves image metadata

    79      * @since S60 3.2

    80      * @param aShrinkedFileName, shrinked file name

    81      * @return None

    82      */

    83     void ResolveMetadataL( const TDesC& aShrinkedFileName );

    84 

    85 private:

    86 

    87     /**

    88      * Fills orginal exif data to shrinked image

    89      * @since S60 3.2

    90      * @param aRead, exif reader

    91      * @param aModify, exif modifier

    92      * @return None

    93      */

    94     void FillExifL( CExifRead& aRead, CExifModify& aModify );

    95     

    96 private: // Constructors

    97 

    98     /**

    99      * C++ constructor

   100      *

   101      * @since S60 3.2

   102      * @param None

   103      */

   104     CCmMmImageMetadataResolver( RFs& aFileSession );

   105 

   106     /**

   107      * Second-phase constructor

   108      *

   109      * @since S60 3.2

   110      */

   111     void ConstructL();

   112 

   113 private: // data

   114     

   115     /** File session*/

   116     RFs& iFileSession;

   117     

   118     /** Orginal Metadata ( owned ) */

   119     HBufC8* iExifOrig;

   120     

   121     };

   122 

   123 #endif // C_CMMMIMAGEMETADATARESOLVER_H