photosgallery/common/src/glxfilterfactory.cpp
branchRCL_3
changeset 60 5b3385a43d68
child 75 01504893d9cb
equal deleted inserted replaced
59:8e5f6eea9c9f 60:5b3385a43d68
       
     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 
       
    20 #include <glxlog.h>
       
    21 #include "glxfilterfactory.h"
       
    22 
       
    23 // ---------------------------------------------------------------------------
       
    24 // Creates a General filter object
       
    25 // ---------------------------------------------------------------------------
       
    26 //   
       
    27 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateItemTypeFilterL(TGlxFilterItemType aItemType)
       
    28     {
       
    29     TGlxFilterProperties filterProperties;
       
    30     filterProperties.iItemType = aItemType;
       
    31     return CreateCombinedFilterL(filterProperties);
       
    32     }
       
    33     
       
    34 // ---------------------------------------------------------------------------
       
    35 // Creates a URI filter object
       
    36 // ---------------------------------------------------------------------------
       
    37 //   
       
    38 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateURIFilterL(const TDesC& aURI)
       
    39     {
       
    40     GLX_FUNCL("TGlxFilterFactory::CreateURIFilterL()");
       
    41     
       
    42     TGlxFilterProperties filterProperties;
       
    43     filterProperties.iUri = &aURI;
       
    44     return CreateCombinedFilterL(filterProperties);
       
    45     }
       
    46     
       
    47 // ---------------------------------------------------------------------------
       
    48 // Creates an alpabetic sort filter object
       
    49 // ---------------------------------------------------------------------------
       
    50 //   
       
    51 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateAlphabeticSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    52     {
       
    53     TGlxFilterProperties filterProperties;
       
    54     filterProperties.iSortOrder = EGlxFilterSortOrderAlphabetical;
       
    55     filterProperties.iSortDirection = aSortDirection;
       
    56     return CreateCombinedFilterL(filterProperties);
       
    57     }
       
    58     
       
    59 // ---------------------------------------------------------------------------
       
    60 // Creates an item count sort filter object. The containers with the greatest
       
    61 // number of items are listed first
       
    62 // ---------------------------------------------------------------------------
       
    63 //   
       
    64 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateItemCountSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    65     {
       
    66     TGlxFilterProperties filterProperties;
       
    67     filterProperties.iSortOrder = EGlxFilterSortOrderItemCount;
       
    68     filterProperties.iSortDirection = aSortDirection;
       
    69     return CreateCombinedFilterL(filterProperties);
       
    70     }
       
    71     
       
    72 // ---------------------------------------------------------------------------
       
    73 // Creates a capture date sort filter object
       
    74 // ---------------------------------------------------------------------------
       
    75 //   
       
    76 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCaptureDateSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    77     {
       
    78     TGlxFilterProperties filterProperties;
       
    79     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
    80     filterProperties.iSortDirection = aSortDirection;
       
    81     return CreateCombinedFilterL(filterProperties);
       
    82     }
       
    83     
       
    84 // ---------------------------------------------------------------------------
       
    85 // Creates a modified date sort filter object
       
    86 // ---------------------------------------------------------------------------
       
    87 //   
       
    88 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateModifiedDateFilterL(const TGlxFilterSortDirection aSortDirection)
       
    89     {
       
    90     TGlxFilterProperties filterProperties;
       
    91     filterProperties.iSortOrder = EGlxFilterSortOrderModifiedDate;
       
    92     filterProperties.iSortDirection = aSortDirection;
       
    93     return CreateCombinedFilterL(filterProperties);
       
    94     }
       
    95     
       
    96 // ---------------------------------------------------------------------------
       
    97 // Creates a camera album exclusion filter object
       
    98 // ---------------------------------------------------------------------------
       
    99 //   
       
   100 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCameraAlbumExclusionFilterL()
       
   101     {
       
   102     TGlxFilterProperties filterProperties;
       
   103     filterProperties.iIncludeCameraAlbum = EFalse;
       
   104     return CreateCombinedFilterL(filterProperties);
       
   105     }
       
   106     
       
   107 // ---------------------------------------------------------------------------
       
   108 // Creates an empty container exclusion filter object
       
   109 // ---------------------------------------------------------------------------
       
   110 //   
       
   111 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateIncludeEmptyContainersFilterL(CMPXMedia* aOriginalFilter)
       
   112     {
       
   113     TGlxFilterProperties filterProperties;
       
   114     filterProperties.iMinCount = -1;
       
   115     return CreateCombinedFilterL(filterProperties, aOriginalFilter, ETrue);
       
   116     }
       
   117 
       
   118 // ---------------------------------------------------------------------------
       
   119 // Creates aa filter that excludes all caontainers that does not contain a
       
   120 // specified item id.
       
   121 // ---------------------------------------------------------------------------
       
   122 //   
       
   123 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeContainersWithoutItemFilterL(TGlxMediaId aItemId)
       
   124     {
       
   125     TGlxFilterProperties filterProperties;
       
   126     filterProperties.iContainsItem = aItemId;
       
   127     return CreateCombinedFilterL(filterProperties);
       
   128     }
       
   129 
       
   130 // ---------------------------------------------------------------------------
       
   131 // Creates a last capture date filter object
       
   132 // ---------------------------------------------------------------------------
       
   133 //   
       
   134 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateLastCaptureDateFilterL()
       
   135     {
       
   136     TGlxFilterProperties filterProperties;
       
   137     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
   138     filterProperties.iSortDirection = EGlxFilterSortDirectionAscending;
       
   139     filterProperties.iLastCaptureDate = ETrue;
       
   140     return CreateCombinedFilterL(filterProperties);
       
   141     }
       
   142 
       
   143 // ---------------------------------------------------------------------------
       
   144 // Creates a preview filter object
       
   145 // ---------------------------------------------------------------------------
       
   146 //   
       
   147 EXPORT_C CMPXFilter* TGlxFilterFactory::CreatePreviewFilterL()
       
   148     {
       
   149     TGlxFilterProperties filterProperties;
       
   150     // Exclude empty containers
       
   151     filterProperties.iMinCount = 1;
       
   152     // If sorting on date, override sort direction to descending
       
   153     filterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;
       
   154     return CreateCombinedFilterL(filterProperties);
       
   155     }
       
   156 
       
   157 // ---------------------------------------------------------------------------
       
   158 // Creates a preview TN filter object with one thumbnail
       
   159 // ---------------------------------------------------------------------------
       
   160 //   
       
   161 EXPORT_C CMPXFilter* TGlxFilterFactory::CreatePreviewTNFilterL()
       
   162     {
       
   163     TGlxFilterProperties filterProperties;
       
   164     // Exclude empty containers
       
   165     filterProperties.iMinCount = 1;
       
   166     // If sorting on date, override sort direction to descending
       
   167     filterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;
       
   168     // Request only one item
       
   169     filterProperties.iMaxCount = 1;
       
   170     return CreateCombinedFilterL(filterProperties);
       
   171     }
       
   172 
       
   173 // ---------------------------------------------------------------------------
       
   174 // Creates a preview filter object for container items (album, tags)
       
   175 // ---------------------------------------------------------------------------
       
   176 //   
       
   177 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateContainerPreviewFilterL()
       
   178     {
       
   179     TGlxFilterProperties filterProperties;
       
   180     // If sorting on date, override sort direction to descending
       
   181     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
   182     filterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;
       
   183     return CreateCombinedFilterL(filterProperties);
       
   184     }
       
   185 
       
   186 
       
   187 // ---------------------------------------------------------------------------
       
   188 // Creates a last capture date filter object
       
   189 // ---------------------------------------------------------------------------
       
   190 //   
       
   191 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeAnimationFilterL(const TGlxFilterSortDirection aSortDirection)
       
   192     {
       
   193     TGlxFilterProperties filterProperties;
       
   194     filterProperties.iItemType = EGlxFilterImage;
       
   195     filterProperties.iExcludeAnimation = ETrue;
       
   196     filterProperties.iSortDirection = aSortDirection;
       
   197     return CreateCombinedFilterL(filterProperties);
       
   198     }
       
   199 
       
   200 // ---------------------------------------------------------------------------
       
   201 // Creates a thumbnail loadibility filter object
       
   202 // ---------------------------------------------------------------------------
       
   203 //   
       
   204 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateThumbnailLoadabilityFilterL(TSize aSize)
       
   205     {
       
   206     TGlxFilterProperties filterProperties;
       
   207     filterProperties.iThumbnailLoadability = aSize;
       
   208     return CreateCombinedFilterL(filterProperties);
       
   209     }
       
   210 
       
   211 // ---------------------------------------------------------------------------
       
   212 // Creates a filter most suited for the SlideShow
       
   213 // ---------------------------------------------------------------------------
       
   214 //   
       
   215 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateSlideShowFilterL( CMPXCollectionPath* aSelectedListPath,
       
   216                                                                 TGlxFilterSortDirection aSortDirection,
       
   217                                                                 TGlxFilterSortOrder aSortFilter)
       
   218     {
       
   219     TGlxFilterProperties filterProperties;
       
   220     filterProperties.iSortOrder = aSortFilter;
       
   221     filterProperties.iSortDirection = aSortDirection;
       
   222     filterProperties.iItemType = EGlxFilterImage;
       
   223     filterProperties.iPath = aSelectedListPath;
       
   224     filterProperties.iNoDRM = ETrue;;
       
   225     filterProperties.iExcludeAnimation = ETrue;
       
   226     return CreateCombinedFilterL(filterProperties);
       
   227     }
       
   228 
       
   229 // ---------------------------------------------------------------------------
       
   230 // Creates a filter most suited for the SlideShow
       
   231 // ---------------------------------------------------------------------------
       
   232 //   
       
   233 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateSlideShowFilterFromExistingFilterL(
       
   234         CMPXFilter* aOriginalFilter, CMPXCollectionPath* aSelectedListPath,
       
   235         TBool aReverseSortDirection)
       
   236     {
       
   237     TGlxFilterProperties filterProperties;
       
   238     // Ref:NShwSlideshow::TPlayDirection
       
   239 	// EPlayForwards = 0; Chronological Order (Older to newer)
       
   240     // EPlayBackwards = 1; Reverse Chronological Order (Newer to older)
       
   241     filterProperties.iSortDirection = aReverseSortDirection ? 
       
   242             EGlxFilterSortDirectionNotUsed : EGlxFilterSortDirectionReverse;
       
   243     filterProperties.iItemType = EGlxFilterImage;
       
   244     filterProperties.iPath = aSelectedListPath;
       
   245     filterProperties.iNoDRM = ETrue;
       
   246     filterProperties.iExcludeAnimation = ETrue;
       
   247     return CreateCombinedFilterL(filterProperties, aOriginalFilter);
       
   248     }
       
   249     
       
   250 // ---------------------------------------------------------------------------
       
   251 // Creates a combined filter object.
       
   252 // ---------------------------------------------------------------------------
       
   253 //   
       
   254 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCombinedFilterL(  const TGlxFilterProperties& aFilterProperties,
       
   255                                                                 CMPXFilter* aOriginalFilter,
       
   256                                                                 TBool aOverrideOriginal)
       
   257     {
       
   258     GLX_FUNCL("TGlxFilterFactory::CreateCombinedFilterL()");
       
   259     
       
   260     CMPXFilter* filter = CMPXFilter::NewL();
       
   261     CleanupStack::PushL(filter);
       
   262 
       
   263     // to prevent needing to check if aOriginalFilter is not NULL each time,
       
   264     // if it is we point it to filter, which supports nothing (support is checked only before setting)
       
   265     if( !aOriginalFilter )
       
   266     	{
       
   267     	aOriginalFilter = filter;
       
   268     	}
       
   269     	
       
   270     TGlxFilterItemType itemType = aFilterProperties.iItemType;
       
   271     if( ( EGlxFilterMediaTypeSuppliedInFilter == aFilterProperties.iItemType ) || !aOverrideOriginal )
       
   272         {
       
   273         if( aOriginalFilter->IsSupported(KGlxFilterGeneralItemType) )
       
   274             {
       
   275             itemType = aOriginalFilter->ValueTObjectL<TGlxFilterItemType>(KGlxFilterGeneralItemType);
       
   276             }
       
   277         }
       
   278                                                                                               
       
   279     filter->SetTObjectValueL<TGlxFilterItemType>(KGlxFilterGeneralItemType, itemType);
       
   280         
       
   281 
       
   282 	TGlxFilterSortOrder sortFilter = aFilterProperties.iSortOrder;
       
   283 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortType) )
       
   284         {
       
   285         if( !aOverrideOriginal || ( EGlxFilterSortOrderNotUsed == aFilterProperties.iSortOrder ) )
       
   286         	{
       
   287         	sortFilter = aOriginalFilter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
       
   288         	}
       
   289         }
       
   290     if( EGlxFilterSortOrderNotUsed != sortFilter )
       
   291         {
       
   292         filter->SetTObjectValueL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType, sortFilter);
       
   293         }
       
   294 
       
   295        
       
   296  	TGlxFilterSortDirection sortDirection = aFilterProperties.iSortDirection;
       
   297 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortDirection) )
       
   298         {
       
   299         if( !aOverrideOriginal || ( EGlxFilterSortDirectionNotUsed == aFilterProperties.iSortDirection ) )
       
   300         	{
       
   301         	sortDirection = aOriginalFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection);
       
   302         	TBool descendIfDate =
       
   303         	   (EGlxFilterSortDirectionOverrideToDescendingIfDate == sortDirection) &&
       
   304         	   ( (EGlxFilterSortOrderCaptureDate == sortFilter) ||
       
   305         	     (EGlxFilterSortOrderModifiedDate == sortFilter)
       
   306         	   );
       
   307         	if( EGlxFilterSortDirectionReverse == sortDirection )
       
   308         		{
       
   309         		if( EGlxFilterSortDirectionDescending == aFilterProperties.iSortDirection )
       
   310         			{
       
   311         			sortDirection = EGlxFilterSortDirectionAscending;
       
   312         			}
       
   313         		else if( EGlxFilterSortDirectionAscending == aFilterProperties.iSortDirection )
       
   314         			{
       
   315          			sortDirection = EGlxFilterSortDirectionDescending;
       
   316         			}
       
   317         		}
       
   318         	else if( descendIfDate )
       
   319         	    {
       
   320          		sortDirection = EGlxFilterSortDirectionDescending;
       
   321         	    }
       
   322         	else if( EGlxFilterSortDirectionOverrideToDescendingIfDate == sortDirection )
       
   323         	    {
       
   324         	    sortDirection = aFilterProperties.iSortDirection;
       
   325         	    }
       
   326         	}
       
   327         else if( aOverrideOriginal && ( EGlxFilterSortDirectionReverse == aFilterProperties.iSortDirection ) )
       
   328         	{
       
   329         	switch(aOriginalFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection))
       
   330         		{
       
   331         		case EGlxFilterSortDirectionNotUsed:
       
   332         		case EGlxFilterSortDirectionReverse:
       
   333         			{
       
   334         			sortDirection = EGlxFilterSortDirectionReverse;
       
   335         			break;
       
   336         			}
       
   337         		case EGlxFilterSortDirectionAscending:
       
   338          			{
       
   339         			sortDirection = EGlxFilterSortDirectionDescending;
       
   340         			break;
       
   341         			}
       
   342 	       		case EGlxFilterSortDirectionDescending:
       
   343         			{
       
   344         			sortDirection = EGlxFilterSortDirectionAscending;
       
   345         			break;
       
   346         			}
       
   347         		}
       
   348         	}
       
   349         }
       
   350  	if( EGlxFilterSortDirectionNotUsed != sortDirection )
       
   351         {
       
   352         filter->SetTObjectValueL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection, sortDirection);        
       
   353         }
       
   354   
       
   355 	TBool cameraAlbumFilter = aFilterProperties.iIncludeCameraAlbum;
       
   356 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralIncludeCameraAlbum) )
       
   357         {
       
   358         if( !aOverrideOriginal || !aFilterProperties.iIncludeCameraAlbum )
       
   359         	{
       
   360         	cameraAlbumFilter = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralIncludeCameraAlbum);
       
   361         	}
       
   362         }
       
   363     if( !cameraAlbumFilter )
       
   364         {
       
   365         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralIncludeCameraAlbum, cameraAlbumFilter);        
       
   366         }
       
   367 
       
   368         
       
   369     TInt minCount = aFilterProperties.iMinCount;    
       
   370 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralMinCount) )
       
   371         {
       
   372         if( !aOverrideOriginal || ( 0 == aFilterProperties.iMinCount ) )
       
   373         	{
       
   374 	        minCount = aOriginalFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMinCount);
       
   375         	}
       
   376         }
       
   377     if( !(minCount == 0) )
       
   378         {
       
   379         filter->SetTObjectValueL<TInt>(KGlxFilterGeneralMinCount, minCount);
       
   380         }
       
   381    
       
   382     TInt maxCount = aFilterProperties.iMaxCount;    
       
   383     if( aOriginalFilter->IsSupported(KGlxFilterGeneralMaxCount) )
       
   384         {
       
   385         if( !aOverrideOriginal || ( 0 == aFilterProperties.iMaxCount ) )
       
   386             {
       
   387             maxCount = aOriginalFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMaxCount);
       
   388             }
       
   389         }
       
   390     if( !(maxCount == 0) )
       
   391         {
       
   392         filter->SetTObjectValueL<TInt>(KGlxFilterGeneralMaxCount, maxCount);
       
   393         }
       
   394     
       
   395     TGlxMediaId itemId = aFilterProperties.iContainsItem;    
       
   396 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralItemId) )
       
   397         {
       
   398         if( !aOverrideOriginal || ( TGlxMediaId(0) == aFilterProperties.iContainsItem ) )
       
   399         	{
       
   400 	        itemId = (TGlxMediaId)(TUint32)aOriginalFilter->ValueTObjectL<TMPXItemId>(KGlxFilterGeneralItemId);
       
   401         	}
       
   402         }
       
   403     if( TGlxMediaId(0) != itemId )
       
   404         {
       
   405         filter->SetTObjectValueL<TMPXItemId>(KGlxFilterGeneralItemId, itemId.Value());        
       
   406         }
       
   407         
       
   408         
       
   409 	TBool lastCaptureDateFilter = aFilterProperties.iLastCaptureDate;
       
   410 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralLastCaptureDate) )
       
   411         {
       
   412         if( !aOverrideOriginal || !aFilterProperties.iLastCaptureDate )
       
   413         	{
       
   414         	lastCaptureDateFilter = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralLastCaptureDate);
       
   415         	}
       
   416         }
       
   417     if( lastCaptureDateFilter )
       
   418         {
       
   419         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralLastCaptureDate, lastCaptureDateFilter);        
       
   420         }
       
   421         
       
   422 	TBool excludeAnimation = aFilterProperties.iExcludeAnimation;
       
   423 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralExcludeAnimation) )
       
   424         {
       
   425         if( !aOverrideOriginal || !aFilterProperties.iExcludeAnimation )
       
   426         	{
       
   427         	excludeAnimation = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralExcludeAnimation);
       
   428         	}
       
   429         }
       
   430     if( excludeAnimation )
       
   431         {
       
   432         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralExcludeAnimation, excludeAnimation);
       
   433         }
       
   434         
       
   435 	TBool noDRM = aFilterProperties.iNoDRM;
       
   436 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralNoDRM) )
       
   437         {
       
   438         if( !aOverrideOriginal || !aFilterProperties.iNoDRM )
       
   439         	{
       
   440         	noDRM = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralNoDRM);
       
   441         	}
       
   442         }
       
   443     if( noDRM )
       
   444         {
       
   445         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralNoDRM, noDRM);
       
   446         }
       
   447         
       
   448 	TSize thumbnailLoadability = aFilterProperties.iThumbnailLoadability;
       
   449 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralThumbnailLoadability) )
       
   450         {
       
   451         if( !aOverrideOriginal || ( TSize(0,0) == aFilterProperties.iThumbnailLoadability ) )
       
   452         	{
       
   453         	thumbnailLoadability = aOriginalFilter->ValueTObjectL<TSize>(KGlxFilterGeneralThumbnailLoadability);
       
   454         	}
       
   455         }
       
   456     if( TSize(0,0) != thumbnailLoadability )
       
   457         {
       
   458         filter->SetTObjectValueL<TSize>(KGlxFilterGeneralThumbnailLoadability, thumbnailLoadability);    
       
   459         }
       
   460         
       
   461 	CMPXCollectionPath* path = aFilterProperties.iPath;
       
   462 	TBool deletePath = EFalse;
       
   463 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralMPXCollectionPath) )
       
   464         {
       
   465         if( !aOverrideOriginal || !aFilterProperties.iPath )
       
   466         	{
       
   467         	path = aOriginalFilter->ValueCObjectL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath);
       
   468         	CleanupStack::PushL(path);
       
   469         	deletePath = ETrue;
       
   470         	}
       
   471         }
       
   472     if( path )
       
   473         {
       
   474 		// SetCObjectValueL creates a copy of path, so safe to destroy path after this call.
       
   475         filter->SetCObjectValueL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath, path);    
       
   476         }
       
   477     if(deletePath)
       
   478         {
       
   479         CleanupStack::PopAndDestroy(path);
       
   480         }
       
   481 	TBool promoteSystemItems = aFilterProperties.iPromoteSystemItems;
       
   482 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortOrderPromoteSystemItems) )
       
   483         {
       
   484         if( !aOverrideOriginal || !aFilterProperties.iPromoteSystemItems )
       
   485         	{
       
   486         	promoteSystemItems = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems);
       
   487         	}
       
   488         }
       
   489     if( promoteSystemItems )
       
   490         {
       
   491         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems, promoteSystemItems);
       
   492         }
       
   493    
       
   494 	TGlxFilterOrigin origin = aFilterProperties.iOrigin;
       
   495 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralOrigin) )
       
   496         {
       
   497         if( !aOverrideOriginal || ( EGlxFilterOriginNotUsed == aFilterProperties.iOrigin ) )
       
   498         	{
       
   499         	origin = aOriginalFilter->ValueTObjectL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin);
       
   500         	}
       
   501         }
       
   502     if( EGlxFilterOriginNotUsed != origin )
       
   503         {
       
   504         filter->SetTObjectValueL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin, origin);
       
   505         }
       
   506  
       
   507 	const TDesC* uri = aFilterProperties.iUri;
       
   508 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralUri) )
       
   509         {
       
   510         if( !aOverrideOriginal || ( !aFilterProperties.iUri ) )
       
   511         	{
       
   512         	uri = &aOriginalFilter->ValueText(KGlxFilterGeneralUri);
       
   513         	}
       
   514         }
       
   515     if( uri )
       
   516         {
       
   517         filter->SetTextValueL(KGlxFilterGeneralUri, *uri);    
       
   518         }
       
   519    
       
   520     CleanupStack::Pop(filter);
       
   521     return filter;
       
   522     }
       
   523      
       
   524 // ---------------------------------------------------------------------------
       
   525 // Creates an empty container(for albums with no images) exclusion filter object
       
   526 // ---------------------------------------------------------------------------
       
   527 //    
       
   528 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeEmptyContainersFilterL(CMPXMedia* aOriginalFilter)
       
   529 	{
       
   530 	TGlxFilterProperties filterProperties;
       
   531 	filterProperties.iMinCount = 1;
       
   532 	return CreateCombinedFilterL(filterProperties, aOriginalFilter, ETrue);
       
   533 	}
       
   534 	
       
   535 	
       
   536 EXPORT_C TGlxFilterProperties TGlxFilterFactory::ExtractAttributes(CMPXFilter* aFilter)
       
   537     {
       
   538     TGlxFilterProperties filterProperties;
       
   539     // Now get the KGlxFilterGeneralibutes specified in the filter
       
   540     if (aFilter->IsSupported(KGlxFilterGeneralItemType))
       
   541         {
       
   542         filterProperties.iItemType = aFilter->ValueTObjectL<TGlxFilterItemType>(KGlxFilterGeneralItemType);
       
   543         }
       
   544     if (aFilter->IsSupported(KGlxFilterGeneralSortType))
       
   545         {
       
   546         filterProperties.iSortOrder = aFilter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
       
   547         }
       
   548     if (aFilter->IsSupported(KGlxFilterGeneralSortDirection))
       
   549         {
       
   550         filterProperties.iSortDirection = aFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection);
       
   551         }
       
   552     if (aFilter->IsSupported(KGlxFilterGeneralIncludeCameraAlbum))
       
   553         {
       
   554         filterProperties.iIncludeCameraAlbum = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralIncludeCameraAlbum);
       
   555         }
       
   556     if (aFilter->IsSupported(KGlxFilterGeneralMinCount))
       
   557         {
       
   558         filterProperties.iMinCount = aFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMinCount);
       
   559         }
       
   560     if (aFilter->IsSupported(KGlxFilterGeneralMaxCount))
       
   561         {
       
   562         filterProperties.iMaxCount = aFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMaxCount);
       
   563         }
       
   564     if (aFilter->IsSupported(KGlxFilterGeneralItemId))
       
   565         {
       
   566         filterProperties.iContainsItem = (TGlxMediaId)(TUint32)aFilter->ValueTObjectL<TMPXItemId>(KGlxFilterGeneralItemId);
       
   567         }
       
   568     if (aFilter->IsSupported(KGlxFilterGeneralExcludeAnimation))
       
   569         {
       
   570         filterProperties.iExcludeAnimation =  aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralExcludeAnimation);
       
   571         }
       
   572     if (aFilter->IsSupported(KGlxFilterGeneralNoDRM))
       
   573         {
       
   574         filterProperties.iNoDRM =  aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralNoDRM);
       
   575         }
       
   576     if (aFilter->IsSupported(KGlxFilterGeneralLastCaptureDate))
       
   577         {
       
   578         filterProperties.iLastCaptureDate = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralLastCaptureDate);
       
   579         }
       
   580     if ( aFilter->IsSupported( KGlxFilterGeneralThumbnailLoadability ) )
       
   581         {
       
   582         filterProperties.iThumbnailLoadability = aFilter->ValueTObjectL<TSize>(
       
   583                                     KGlxFilterGeneralThumbnailLoadability );
       
   584         }
       
   585     if (aFilter->IsSupported(KGlxFilterGeneralMPXCollectionPath))
       
   586         {
       
   587         filterProperties.iPath = aFilter->ValueCObjectL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath);
       
   588         }
       
   589     if( aFilter->IsSupported(KGlxFilterGeneralSortOrderPromoteSystemItems) )
       
   590         {
       
   591         filterProperties.iPromoteSystemItems = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems);
       
   592         }
       
   593     if( aFilter->IsSupported(KGlxFilterGeneralOrigin) )
       
   594         {
       
   595         filterProperties.iOrigin = aFilter->ValueTObjectL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin);
       
   596         }
       
   597     if( aFilter->IsSupported(KGlxFilterGeneralUri) )
       
   598         {
       
   599         filterProperties.iUri = &aFilter->ValueText(KGlxFilterGeneralUri);
       
   600         }
       
   601     return filterProperties;
       
   602     }
       
   603