1 /*

     2 * Copyright (c) 2006-2009 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:

    15 *

    16 */

    17 

    18 

    19 #ifndef __CHARVESTERIMAGEPLUGIN_H__

    20 #define __CHARVESTERIMAGEPLUGIN_H__

    21 

    22 #include <mdeobject.h>

    23 #include <fbs.h>

    24 #include <imageconversion.h>

    25 #include <harvesterplugin.h>

    26 #include <monitorplugin.h>

    27 

    28 #include "mimetypemapping.h"

    29 

    30 // FORWARD DECLARATION

    31 class CFileData;

    32 class CHarvestData;

    33 class CHarvesterExifUtil;

    34 

    35 /**

    36  * Helper class to hold all property definitions 

    37  * (pointers are not owned) used in harvester image plug-in.

    38  */

    39 class CHarvesterImagePluginPropertyDefs : public CBase

    40 	{

    41 	public:

    42 		// Common property definitions

    43 		CMdEPropertyDef* iCreationDatePropertyDef;

    44 		CMdEPropertyDef* iLastModifiedDatePropertyDef;

    45 		CMdEPropertyDef* iSizePropertyDef;

    46 		CMdEPropertyDef* iTimeOffsetPropertyDef;

    47 		CMdEPropertyDef* iItemTypePropertyDef;

    48 	

    49 		// Media property definitions

    50 		CMdEPropertyDef* iWidthPropertyDef;

    51 		CMdEPropertyDef* iHeightPropertyDef;

    52 		CMdEPropertyDef* iDescriptionPropertyDef;

    53 		CMdEPropertyDef* iCommentPropertyDef;

    54 		CMdEPropertyDef* iReleaseDatePropertyDef;

    55 		CMdEPropertyDef* iCopyrightPropertyDef;

    56 		CMdEPropertyDef* iCaptureDatePropertyDef;

    57 		CMdEPropertyDef* iResolutionUnitPropertyDef;

    58 		CMdEPropertyDef* iArtistPropertyDef;

    59 		

    60 		// Image property definitions

    61 		CMdEPropertyDef* iPixelYDimensionPropertyDef;

    62 		CMdEPropertyDef* iPixelXDimensionPropertyDef;

    63 		CMdEPropertyDef* iBitsPerSamplePropertyDef;

    64 		CMdEPropertyDef* iFrameCountPropertyDef;

    65 		CMdEPropertyDef* iDateTimeOriginalPropertyDef;

    66 		CMdEPropertyDef* iDateTimeDigitizedPropertyDef;

    67 		CMdEPropertyDef* iDateTimePropertyDef;

    68 		CMdEPropertyDef* iWhiteBalancePropertyDef;

    69 		CMdEPropertyDef* iFlashPropertyDef;

    70 		CMdEPropertyDef* iExposureProgramPropertyDef;

    71 		CMdEPropertyDef* iMakePropertyDef;

    72 		CMdEPropertyDef* iModelPropertyDef;

    73 		CMdEPropertyDef* iOrientationPropertyDef;

    74 		CMdEPropertyDef* iXResolutionPropertyDef;

    75 		CMdEPropertyDef* iYResolutionPropertyDef;

    76 		CMdEPropertyDef* iYCbCrPositioningPropertyDef;

    77 		CMdEPropertyDef* iExposureTimePropertyDef;

    78 		CMdEPropertyDef* iFNumberPropertyDef;

    79 		CMdEPropertyDef* iExifVersionPropertyDef;

    80 		CMdEPropertyDef* iShutterSpeedValuePropertyDef;

    81 		CMdEPropertyDef* iApertureValuePropertyDef;

    82 		CMdEPropertyDef* iFocalLengthPropertyDef;

    83 		CMdEPropertyDef* iFlashPixVersionPropertyDef;

    84 		CMdEPropertyDef* iColourSpacePropertyDef;

    85 		CMdEPropertyDef* iISOSpeedRatingsPropertyDef;

    86 		CMdEPropertyDef* iComponentsConfigurationPropertyDef;

    87 		CMdEPropertyDef* iExposureBiasValuePropertyDef;

    88 		CMdEPropertyDef* iSamplesPerPixelPropertyDef;

    89 		CMdEPropertyDef* iThumbCompressionPropertyDef;

    90 		CMdEPropertyDef* iThumbXResolutionPropertyDef;

    91 		CMdEPropertyDef* iThumbYResolutionPropertyDef;

    92 		CMdEPropertyDef* iThumbResolutionUnitPropertyDef;

    93 		CMdEPropertyDef* iFocalLengthIn35mmFilmPropertyDef;

    94 		CMdEPropertyDef* iMeteringModePropertyDef;

    95 		CMdEPropertyDef* iRelatedSoundFilePropertyDef;

    96 		CMdEPropertyDef* iFocalPlaneResolutionUnitPropertyDef;

    97 		CMdEPropertyDef* iFocalPlaneXResolutionPropertyDef;

    98 		CMdEPropertyDef* iFocalPlaneYResolutionPropertyDef;

    99         CMdEPropertyDef* iDraftPropertyDef;

   100 

   101 	private:

   102 		CHarvesterImagePluginPropertyDefs();

   103 	

   104 		void ConstructL(CMdEObjectDef& aObjectDef);

   105 

   106 	public:	

   107 		static CHarvesterImagePluginPropertyDefs* NewL(CMdEObjectDef& aObjectDef);

   108 	};

   109 

   110 class CHarvesterImagePlugin : public CHarvesterPlugin

   111 	{

   112 	public:

   113 

   114 		/**

   115 		* Construction

   116 		* @return Harvester image plugin

   117 		*/

   118 		static CHarvesterImagePlugin* NewL();

   119 

   120 		/**

   121 		* Destruction

   122 		*/

   123 		virtual ~CHarvesterImagePlugin();

   124 

   125 		/**

   126 		* Harvesting multiple files

   127 		* @param aHarvesterData  CHarvesterData datatype containing needed harvest data

   128  		* @param aClientData  TAny* to client specific data

   129 		*/

   130 		void HarvestL( CHarvesterData* aHD );

   131 

   132 	private:

   133 	    /**

   134 	     * The method that actually extracts the metadata.

   135 	     * @param aMetadataObject  Metadata object which is filled with metadata

   136 	     * @param aFileData  File data to be filled

   137 	     * @param aHarvestData  Harvested data to be filled

   138 	     * @return Error code which indicates status of the operation

   139 	     */                

   140 		TInt GatherDataL( CMdEObject& aMetadataObject, CFileData& aFileData,

   141 				CHarvestData& aHarvestData );

   142 

   143 		/**

   144 		 * Checks if the MIME type of current file is supported.

   145 		 * @param aMimeBuf mime string

   146 		 * @return KErrNone if MIME type is supported, KErrNotSupported if not

   147 		 */

   148 		TInt CheckIfMimeSupported( const TDesC& aMimeBuf );

   149 		 

   150 		/**

   151 		 * Reads file data from image file.

   152 		 */

   153 		void DataFromImageFileL( CFileData& aFileData );

   154 		

   155 		/**

   156 		 * Handles creation of new mde objects.

   157 		 */

   158 		void HandleObjectPropertiesL( CHarvestData& aHd, CFileData& aFileData,

   159 		 		CHarvesterData& aHarvesterData, TBool aIsAdd );

   160 

   161 		// Default constructor

   162 		CHarvesterImagePlugin();

   163 		

   164 		// 2nd phase constructor

   165 		void ConstructL();

   166 	

   167 	private:

   168 	

   169 		enum TImageMetadataHandling

   170 			{

   171 			EJpegHandling,

   172 			EGifHandling,

   173 			EOtherHandling

   174 			};

   175 		

   176 		/** */

   177         CHarvesterExifUtil* iExifUtil;

   178         

   179         /**

   180          *  Buffered image decoder (so that we don't have to create decoders all the time)

   181          */        

   182         CBufferedImageDecoder *iDecoder;

   183          

   184         /**

   185          *  Session to Font and Bitmap server. For some reason WMF-harvesting needs this

   186          */

   187         RFbsSession iFbs;

   188         

   189         

   190         /**

   191          *  Mime type mapper for extension/mimetype pairs

   192          */

   193         RArray< TMimeTypeMapping<TImageMetadataHandling> > iMimeTypeMappings;

   194         

   195         CHarvesterImagePluginPropertyDefs* iPropDefs;

   196 	};

   197 

   198 #endif

   199