commonutilities/common/src/glxfilterfactory.cpp
branchRCL_3
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57:ea65f74e6de4 59:8e5f6eea9c9f
       
     1 /*
       
     2 * Copyright (c) 2008-2009 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:   Command object factory
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <glxlog.h>
       
    20 #include "glxfilterfactory.h"
       
    21 
       
    22 // ---------------------------------------------------------------------------
       
    23 // Creates a General filter object
       
    24 // ---------------------------------------------------------------------------
       
    25 //   
       
    26 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateItemTypeFilterL(TGlxFilterItemType aItemType)
       
    27     {
       
    28     TGlxFilterProperties filterProperties;
       
    29     filterProperties.iItemType = aItemType;
       
    30     return CreateCombinedFilterL(filterProperties);
       
    31     }
       
    32 
       
    33 // ---------------------------------------------------------------------------
       
    34 // Creates a eclude drm image filter object
       
    35 // ---------------------------------------------------------------------------
       
    36 //   
       
    37 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeDrmImageTypeFilterL(TGlxFilterItemType aFilterType)
       
    38     {
       
    39     TGlxFilterProperties filterProperties;
       
    40 	filterProperties.iItemType = EGlxFilterImage;
       
    41 	filterProperties.iNoDRM = ETrue;
       
    42     return CreateCombinedFilterL(filterProperties);
       
    43     }
       
    44 
       
    45 // ---------------------------------------------------------------------------
       
    46 // Creates a URI filter object
       
    47 // ---------------------------------------------------------------------------
       
    48 //   
       
    49 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateURIFilterL(const TDesC& aURI)
       
    50     {
       
    51     GLX_FUNCL("TGlxFilterFactory::CreateURIFilterL()");
       
    52     
       
    53     TGlxFilterProperties filterProperties;
       
    54     filterProperties.iUri = &aURI;
       
    55     return CreateCombinedFilterL(filterProperties);
       
    56     }
       
    57     
       
    58 // ---------------------------------------------------------------------------
       
    59 // Creates an alpabetic sort filter object
       
    60 // ---------------------------------------------------------------------------
       
    61 //   
       
    62 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateAlphabeticSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    63     {
       
    64     TGlxFilterProperties filterProperties;
       
    65     filterProperties.iSortOrder = EGlxFilterSortOrderAlphabetical;
       
    66     filterProperties.iSortDirection = aSortDirection;
       
    67     return CreateCombinedFilterL(filterProperties);
       
    68     }
       
    69     
       
    70 // ---------------------------------------------------------------------------
       
    71 // Creates an item count sort filter object. The containers with the greatest
       
    72 // number of items are listed first
       
    73 // ---------------------------------------------------------------------------
       
    74 //   
       
    75 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateItemCountSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    76     {
       
    77     TGlxFilterProperties filterProperties;
       
    78     filterProperties.iSortOrder = EGlxFilterSortOrderItemCount;
       
    79     filterProperties.iSortDirection = aSortDirection;
       
    80     return CreateCombinedFilterL(filterProperties);
       
    81     }
       
    82     
       
    83 // ---------------------------------------------------------------------------
       
    84 // Creates a capture date sort filter object
       
    85 // ---------------------------------------------------------------------------
       
    86 //   
       
    87 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCaptureDateSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    88     {
       
    89     TGlxFilterProperties filterProperties;
       
    90     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
    91     filterProperties.iSortDirection = aSortDirection;
       
    92     return CreateCombinedFilterL(filterProperties);
       
    93     }
       
    94     
       
    95 // ---------------------------------------------------------------------------
       
    96 // Creates a modified date sort filter object
       
    97 // ---------------------------------------------------------------------------
       
    98 //   
       
    99 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateModifiedDateFilterL(const TGlxFilterSortDirection aSortDirection)
       
   100     {
       
   101     TGlxFilterProperties filterProperties;
       
   102     filterProperties.iSortOrder = EGlxFilterSortOrderModifiedDate;
       
   103     filterProperties.iSortDirection = aSortDirection;
       
   104     return CreateCombinedFilterL(filterProperties);
       
   105     }
       
   106     
       
   107 // ---------------------------------------------------------------------------
       
   108 // Creates a camera album exclusion filter object
       
   109 // ---------------------------------------------------------------------------
       
   110 //   
       
   111 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCameraAlbumExclusionFilterL()
       
   112     {
       
   113     TGlxFilterProperties filterProperties;
       
   114     filterProperties.iIncludeCameraAlbum = EFalse;
       
   115     return CreateCombinedFilterL(filterProperties);
       
   116     }
       
   117     
       
   118 // ---------------------------------------------------------------------------
       
   119 // Creates an empty container exclusion filter object
       
   120 // ---------------------------------------------------------------------------
       
   121 //   
       
   122 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateIncludeEmptyContainersFilterL(CMPXMedia* aOriginalFilter)
       
   123     {
       
   124     TGlxFilterProperties filterProperties;
       
   125     filterProperties.iMinCount = -1;
       
   126     return CreateCombinedFilterL(filterProperties, aOriginalFilter, ETrue);
       
   127     }
       
   128 
       
   129 // ---------------------------------------------------------------------------
       
   130 // Creates aa filter that excludes all caontainers that does not contain a
       
   131 // specified item id.
       
   132 // ---------------------------------------------------------------------------
       
   133 //   
       
   134 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeContainersWithoutItemFilterL(TGlxMediaId aItemId)
       
   135     {
       
   136     TGlxFilterProperties filterProperties;
       
   137     filterProperties.iContainsItem = aItemId;
       
   138     return CreateCombinedFilterL(filterProperties);
       
   139     }
       
   140 
       
   141 // ---------------------------------------------------------------------------
       
   142 // Creates a last capture date filter object
       
   143 // ---------------------------------------------------------------------------
       
   144 //   
       
   145 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateLastCaptureDateFilterL()
       
   146     {
       
   147     TGlxFilterProperties filterProperties;
       
   148     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
   149     filterProperties.iSortDirection = EGlxFilterSortDirectionAscending;
       
   150     filterProperties.iLastCaptureDate = ETrue;
       
   151     return CreateCombinedFilterL(filterProperties);
       
   152     }
       
   153 
       
   154 // ---------------------------------------------------------------------------
       
   155 // Creates a preview filter object
       
   156 // ---------------------------------------------------------------------------
       
   157 //   
       
   158 EXPORT_C CMPXFilter* TGlxFilterFactory::CreatePreviewFilterL()
       
   159     {
       
   160     TGlxFilterProperties filterProperties;
       
   161     // Exclude empty containers
       
   162     filterProperties.iMinCount = 1;
       
   163     // If sorting on date, override sort direction to descending
       
   164     filterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;
       
   165     return CreateCombinedFilterL(filterProperties);
       
   166     }
       
   167 
       
   168 // ---------------------------------------------------------------------------
       
   169 // Creates a last capture date filter object
       
   170 // ---------------------------------------------------------------------------
       
   171 //   
       
   172 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeAnimationFilterL(const TGlxFilterSortDirection aSortDirection)
       
   173     {
       
   174     TGlxFilterProperties filterProperties;
       
   175     filterProperties.iItemType = EGlxFilterImage;
       
   176     filterProperties.iExcludeAnimation = ETrue;
       
   177     filterProperties.iSortDirection = aSortDirection;
       
   178     return CreateCombinedFilterL(filterProperties);
       
   179     }
       
   180 
       
   181 // ---------------------------------------------------------------------------
       
   182 // Creates a thumbnail loadibility filter object
       
   183 // ---------------------------------------------------------------------------
       
   184 //   
       
   185 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateThumbnailLoadabilityFilterL(TSize aSize)
       
   186     {
       
   187     TGlxFilterProperties filterProperties;
       
   188     filterProperties.iThumbnailLoadability = aSize;
       
   189     return CreateCombinedFilterL(filterProperties);
       
   190     }
       
   191 
       
   192 // ---------------------------------------------------------------------------
       
   193 // Creates a filter most suited for the SlideShow
       
   194 // ---------------------------------------------------------------------------
       
   195 //   
       
   196 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateSlideShowFilterL( CMPXCollectionPath* aSelectedListPath,
       
   197                                                                 TGlxFilterSortDirection aSortDirection,
       
   198                                                                 TGlxFilterSortOrder aSortFilter)
       
   199     {
       
   200     TGlxFilterProperties filterProperties;
       
   201     filterProperties.iSortOrder = aSortFilter;
       
   202     filterProperties.iSortDirection = aSortDirection;
       
   203     filterProperties.iItemType = EGlxFilterImage;
       
   204     filterProperties.iPath = aSelectedListPath;
       
   205     filterProperties.iNoDRM = ETrue;;
       
   206     filterProperties.iExcludeAnimation = ETrue;
       
   207     return CreateCombinedFilterL(filterProperties);
       
   208     }
       
   209 
       
   210 // ---------------------------------------------------------------------------
       
   211 // Creates a filter most suited for the SlideShow
       
   212 // ---------------------------------------------------------------------------
       
   213 //   
       
   214 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateSlideShowFilterFromExistingFilterL(   CMPXFilter* aOriginalFilter,
       
   215                                                                                     CMPXCollectionPath* aSelectedListPath,
       
   216                                                                                     TBool aReverseSortDirection)
       
   217     {     
       
   218     TGlxFilterProperties filterProperties;
       
   219     filterProperties.iSortDirection = aReverseSortDirection ? EGlxFilterSortDirectionReverse : EGlxFilterSortDirectionNotUsed;
       
   220     filterProperties.iItemType = EGlxFilterImage;
       
   221     filterProperties.iPath = aSelectedListPath;
       
   222     filterProperties.iNoDRM = ETrue;;
       
   223     filterProperties.iExcludeAnimation = ETrue;;
       
   224     return CreateCombinedFilterL(filterProperties, aOriginalFilter);
       
   225     }
       
   226     
       
   227 // ---------------------------------------------------------------------------
       
   228 // Creates a combined filter object.
       
   229 // ---------------------------------------------------------------------------
       
   230 //   
       
   231 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCombinedFilterL(  const TGlxFilterProperties& aFilterProperties,
       
   232                                                                 CMPXFilter* aOriginalFilter,
       
   233                                                                 TBool aOverrideOriginal)
       
   234     {
       
   235     GLX_FUNCL("TGlxFilterFactory::CreateCombinedFilterL()");
       
   236     
       
   237     CMPXFilter* filter = CMPXFilter::NewL();
       
   238     CleanupStack::PushL(filter);
       
   239 
       
   240     // to prevent needing to check if aOriginalFilter is not NULL each time,
       
   241     // if it is we point it to filter, which supports nothing (support is checked only before setting)
       
   242     if( !aOriginalFilter )
       
   243     	{
       
   244     	aOriginalFilter = filter;
       
   245     	}
       
   246     	
       
   247     TGlxFilterItemType itemType = aFilterProperties.iItemType;
       
   248     if( ( EGlxFilterMediaTypeSuppliedInFilter == aFilterProperties.iItemType ) || !aOverrideOriginal )
       
   249         {
       
   250         if( aOriginalFilter->IsSupported(KGlxFilterGeneralItemType) )
       
   251             {
       
   252             itemType = aOriginalFilter->ValueTObjectL<TGlxFilterItemType>(KGlxFilterGeneralItemType);
       
   253             }
       
   254         }
       
   255                                                                                               
       
   256     filter->SetTObjectValueL<TGlxFilterItemType>(KGlxFilterGeneralItemType, itemType);
       
   257         
       
   258 
       
   259 	TGlxFilterSortOrder sortFilter = aFilterProperties.iSortOrder;
       
   260 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortType) )
       
   261         {
       
   262         if( !aOverrideOriginal || ( EGlxFilterSortOrderNotUsed == aFilterProperties.iSortOrder ) )
       
   263         	{
       
   264         	sortFilter = aOriginalFilter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
       
   265         	}
       
   266         }
       
   267     if( EGlxFilterSortOrderNotUsed != sortFilter )
       
   268         {
       
   269         filter->SetTObjectValueL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType, sortFilter);
       
   270         }
       
   271 
       
   272        
       
   273  	TGlxFilterSortDirection sortDirection = aFilterProperties.iSortDirection;
       
   274 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortDirection) )
       
   275         {
       
   276         if( !aOverrideOriginal || ( EGlxFilterSortDirectionNotUsed == aFilterProperties.iSortDirection ) )
       
   277         	{
       
   278         	sortDirection = aOriginalFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection);
       
   279         	TBool descendIfDate = ( EGlxFilterSortDirectionOverrideToDescendingIfDate == sortDirection ) && ( ( EGlxFilterSortOrderCaptureDate == sortFilter ) || ( EGlxFilterSortOrderModifiedDate == sortFilter ) );
       
   280         	if( EGlxFilterSortDirectionReverse == sortDirection )
       
   281         		{
       
   282         		if( EGlxFilterSortDirectionDescending == aFilterProperties.iSortDirection )
       
   283         			{
       
   284         			sortDirection = EGlxFilterSortDirectionAscending;
       
   285         			}
       
   286         		else if( EGlxFilterSortDirectionAscending == aFilterProperties.iSortDirection )
       
   287         			{
       
   288          			sortDirection = EGlxFilterSortDirectionDescending;
       
   289         			}
       
   290         		}
       
   291         	else if( descendIfDate )
       
   292         	    {
       
   293          		sortDirection = EGlxFilterSortDirectionDescending;
       
   294         	    }
       
   295         	else if( EGlxFilterSortDirectionOverrideToDescendingIfDate == sortDirection )
       
   296         	    {
       
   297         	    sortDirection = aFilterProperties.iSortDirection;
       
   298         	    }
       
   299         	}
       
   300         else if( aOverrideOriginal && ( EGlxFilterSortDirectionReverse == aFilterProperties.iSortDirection ) )
       
   301         	{
       
   302         	switch(aOriginalFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection))
       
   303         		{
       
   304         		case EGlxFilterSortDirectionNotUsed:
       
   305         		case EGlxFilterSortDirectionReverse:
       
   306         			{
       
   307         			sortDirection = EGlxFilterSortDirectionReverse;
       
   308         			break;
       
   309         			}
       
   310         		case EGlxFilterSortDirectionAscending:
       
   311          			{
       
   312         			sortDirection = EGlxFilterSortDirectionDescending;
       
   313         			break;
       
   314         			}
       
   315 	       		case EGlxFilterSortDirectionDescending:
       
   316         			{
       
   317         			sortDirection = EGlxFilterSortDirectionAscending;
       
   318         			break;
       
   319         			}
       
   320         		}
       
   321         	}
       
   322         }
       
   323  	if( EGlxFilterSortDirectionNotUsed != sortDirection )
       
   324         {
       
   325         filter->SetTObjectValueL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection, sortDirection);        
       
   326         }
       
   327   
       
   328 	TBool cameraAlbumFilter = aFilterProperties.iIncludeCameraAlbum;
       
   329 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralIncludeCameraAlbum) )
       
   330         {
       
   331         if( !aOverrideOriginal || !aFilterProperties.iIncludeCameraAlbum )
       
   332         	{
       
   333         	cameraAlbumFilter = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralIncludeCameraAlbum);
       
   334         	}
       
   335         }
       
   336     if( !cameraAlbumFilter )
       
   337         {
       
   338         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralIncludeCameraAlbum, cameraAlbumFilter);        
       
   339         }
       
   340 
       
   341         
       
   342     TInt minCount = aFilterProperties.iMinCount;    
       
   343 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralMinCount) )
       
   344         {
       
   345         if( !aOverrideOriginal || ( 0 == aFilterProperties.iMinCount ) )
       
   346         	{
       
   347 	        minCount = aOriginalFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMinCount);
       
   348         	}
       
   349         }
       
   350     if( !(minCount == 0) )
       
   351         {
       
   352         filter->SetTObjectValueL<TInt>(KGlxFilterGeneralMinCount, minCount);
       
   353         }
       
   354    
       
   355     
       
   356     TGlxMediaId itemId = aFilterProperties.iContainsItem;    
       
   357 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralItemId) )
       
   358         {
       
   359         if( !aOverrideOriginal || ( TGlxMediaId(0) == aFilterProperties.iContainsItem ) )
       
   360         	{
       
   361 	        itemId = (TGlxMediaId)(TUint32)aOriginalFilter->ValueTObjectL<TMPXItemId>(KGlxFilterGeneralItemId);
       
   362         	}
       
   363         }
       
   364     if( TGlxMediaId(0) != itemId )
       
   365         {
       
   366         filter->SetTObjectValueL<TMPXItemId>(KGlxFilterGeneralItemId, itemId.Value());        
       
   367         }
       
   368         
       
   369         
       
   370 	TBool lastCaptureDateFilter = aFilterProperties.iLastCaptureDate;
       
   371 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralLastCaptureDate) )
       
   372         {
       
   373         if( !aOverrideOriginal || !aFilterProperties.iLastCaptureDate )
       
   374         	{
       
   375         	lastCaptureDateFilter = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralLastCaptureDate);
       
   376         	}
       
   377         }
       
   378     if( lastCaptureDateFilter )
       
   379         {
       
   380         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralLastCaptureDate, lastCaptureDateFilter);        
       
   381         }
       
   382         
       
   383 	TBool excludeAnimation = aFilterProperties.iExcludeAnimation;
       
   384 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralExcludeAnimation) )
       
   385         {
       
   386         if( !aOverrideOriginal || !aFilterProperties.iExcludeAnimation )
       
   387         	{
       
   388         	excludeAnimation = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralExcludeAnimation);
       
   389         	}
       
   390         }
       
   391     if( excludeAnimation )
       
   392         {
       
   393         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralExcludeAnimation, excludeAnimation);
       
   394         }
       
   395         
       
   396 	TBool noDRM = aFilterProperties.iNoDRM;
       
   397 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralNoDRM) )
       
   398         {
       
   399         if( !aOverrideOriginal || !aFilterProperties.iNoDRM )
       
   400         	{
       
   401         	noDRM = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralNoDRM);
       
   402         	}
       
   403         }
       
   404     if( noDRM )
       
   405         {
       
   406         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralNoDRM, noDRM);
       
   407         }
       
   408         
       
   409 	TSize thumbnailLoadability = aFilterProperties.iThumbnailLoadability;
       
   410 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralThumbnailLoadability) )
       
   411         {
       
   412         if( !aOverrideOriginal || ( TSize(0,0) == aFilterProperties.iThumbnailLoadability ) )
       
   413         	{
       
   414         	thumbnailLoadability = aOriginalFilter->ValueTObjectL<TSize>(KGlxFilterGeneralThumbnailLoadability);
       
   415         	}
       
   416         }
       
   417     if( TSize(0,0) != thumbnailLoadability )
       
   418         {
       
   419         filter->SetTObjectValueL<TSize>(KGlxFilterGeneralThumbnailLoadability, thumbnailLoadability);    
       
   420         }
       
   421         
       
   422 	CMPXCollectionPath* path = aFilterProperties.iPath;
       
   423 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralMPXCollectionPath) )
       
   424         {
       
   425         if( !aOverrideOriginal || !aFilterProperties.iPath )
       
   426         	{
       
   427         	path = aOriginalFilter->ValueCObjectL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath);
       
   428         	}
       
   429         }
       
   430     if( path )
       
   431         {
       
   432         filter->SetCObjectValueL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath, path);    
       
   433         }
       
   434    
       
   435 	TBool promoteSystemItems = aFilterProperties.iPromoteSystemItems;
       
   436 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortOrderPromoteSystemItems) )
       
   437         {
       
   438         if( !aOverrideOriginal || !aFilterProperties.iPromoteSystemItems )
       
   439         	{
       
   440         	promoteSystemItems = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems);
       
   441         	}
       
   442         }
       
   443     if( promoteSystemItems )
       
   444         {
       
   445         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems, promoteSystemItems);
       
   446         }
       
   447    
       
   448 	TGlxFilterOrigin origin = aFilterProperties.iOrigin;
       
   449 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralOrigin) )
       
   450         {
       
   451         if( !aOverrideOriginal || ( EGlxFilterOriginNotUsed == aFilterProperties.iOrigin ) )
       
   452         	{
       
   453         	origin = aOriginalFilter->ValueTObjectL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin);
       
   454         	}
       
   455         }
       
   456     if( EGlxFilterOriginNotUsed != origin )
       
   457         {
       
   458         filter->SetTObjectValueL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin, origin);
       
   459         }
       
   460  
       
   461 	const TDesC* uri = aFilterProperties.iUri;
       
   462 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralUri) )
       
   463         {
       
   464         if( !aOverrideOriginal || ( !aFilterProperties.iUri ) )
       
   465         	{
       
   466         	uri = &aOriginalFilter->ValueText(KGlxFilterGeneralUri);
       
   467         	}
       
   468         }
       
   469     if( uri )
       
   470         {
       
   471         filter->SetTextValueL(KGlxFilterGeneralUri, *uri);    
       
   472         }
       
   473    
       
   474     CleanupStack::Pop(filter);
       
   475     return filter;
       
   476     }
       
   477      
       
   478 // ---------------------------------------------------------------------------
       
   479 // Creates an empty container(for albums with no images) exclusion filter object
       
   480 // ---------------------------------------------------------------------------
       
   481 //    
       
   482 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeEmptyContainersFilterL(CMPXMedia* aOriginalFilter)
       
   483 	{
       
   484 	TGlxFilterProperties filterProperties;
       
   485 	filterProperties.iMinCount = 1;
       
   486 	return CreateCombinedFilterL(filterProperties, aOriginalFilter, ETrue);
       
   487 	}
       
   488 	
       
   489 	
       
   490 EXPORT_C TGlxFilterProperties TGlxFilterFactory::ExtractAttributes(CMPXFilter* aFilter)
       
   491     {
       
   492     TGlxFilterProperties filterProperties;
       
   493     // Now get the KGlxFilterGeneralibutes specified in the filter
       
   494     if (aFilter->IsSupported(KGlxFilterGeneralItemType))
       
   495         {
       
   496         filterProperties.iItemType = aFilter->ValueTObjectL<TGlxFilterItemType>(KGlxFilterGeneralItemType);
       
   497         }
       
   498     if (aFilter->IsSupported(KGlxFilterGeneralSortType))
       
   499         {
       
   500         filterProperties.iSortOrder = aFilter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
       
   501         }
       
   502     if (aFilter->IsSupported(KGlxFilterGeneralSortDirection))
       
   503         {
       
   504         filterProperties.iSortDirection = aFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection);
       
   505         }
       
   506     if (aFilter->IsSupported(KGlxFilterGeneralIncludeCameraAlbum))
       
   507         {
       
   508         filterProperties.iIncludeCameraAlbum = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralIncludeCameraAlbum);
       
   509         }
       
   510     if (aFilter->IsSupported(KGlxFilterGeneralMinCount))
       
   511         {
       
   512         filterProperties.iMinCount = aFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMinCount);
       
   513         }
       
   514     if (aFilter->IsSupported(KGlxFilterGeneralItemId))
       
   515         {
       
   516         filterProperties.iContainsItem = (TGlxMediaId)(TUint32)aFilter->ValueTObjectL<TMPXItemId>(KGlxFilterGeneralItemId);
       
   517         }
       
   518     if (aFilter->IsSupported(KGlxFilterGeneralExcludeAnimation))
       
   519         {
       
   520         filterProperties.iExcludeAnimation =  aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralExcludeAnimation);
       
   521         }
       
   522     if (aFilter->IsSupported(KGlxFilterGeneralNoDRM))
       
   523         {
       
   524         filterProperties.iNoDRM =  aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralNoDRM);
       
   525         }
       
   526     if (aFilter->IsSupported(KGlxFilterGeneralLastCaptureDate))
       
   527         {
       
   528         filterProperties.iLastCaptureDate = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralLastCaptureDate);
       
   529         }
       
   530     if ( aFilter->IsSupported( KGlxFilterGeneralThumbnailLoadability ) )
       
   531         {
       
   532         filterProperties.iThumbnailLoadability = aFilter->ValueTObjectL<TSize>(
       
   533                                     KGlxFilterGeneralThumbnailLoadability );
       
   534         }
       
   535     if (aFilter->IsSupported(KGlxFilterGeneralMPXCollectionPath))
       
   536         {
       
   537         filterProperties.iPath = aFilter->ValueCObjectL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath);
       
   538         }
       
   539     if( aFilter->IsSupported(KGlxFilterGeneralSortOrderPromoteSystemItems) )
       
   540         {
       
   541         filterProperties.iPromoteSystemItems = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems);
       
   542         }
       
   543     if( aFilter->IsSupported(KGlxFilterGeneralOrigin) )
       
   544         {
       
   545         filterProperties.iOrigin = aFilter->ValueTObjectL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin);
       
   546         }
       
   547     if( aFilter->IsSupported(KGlxFilterGeneralUri) )
       
   548         {
       
   549         filterProperties.iUri = &aFilter->ValueText(KGlxFilterGeneralUri);
       
   550         }
       
   551     return filterProperties;
       
   552     }
       
   553