photosgallery/collectionframework/datasource/plugins/glxdatasourcemde2.5/src/glxdatasourcetaskmdsidlist.cpp
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     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: The Data Source Task MDS IDlist class   
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 /**
       
    22  * @internal reviewed 11/07/2007 by M Byrne
       
    23  */
       
    24 
       
    25 #include "glxdatasourcetaskmdsidlist.h"
       
    26 
       
    27 #include <glxcollectionplugincamera.hrh>
       
    28 #include <glxcollectionplugindownloads.hrh>
       
    29 #include <glxcollectionpluginmonths.hrh>
       
    30 #include <glxcollectionpluginalbums.hrh>
       
    31 #include <glxcollectionpluginall.hrh>
       
    32 #include <glxcollectionplugintags.hrh>
       
    33 #include <glxcollectionpluginimageviewer.hrh>
       
    34 
       
    35 #include <glxerrors.h>
       
    36 #include <glxfilterfactory.h>
       
    37 #include <glxgetrequest.h>
       
    38 #include <glxidlistrequest.h>
       
    39 #include <glxidlistrequest.h>
       
    40 #include <glxlog.h>
       
    41 #include <glxmediacollectioninternaldefs.h>
       
    42 #include <glxmediageneraldefs.h>
       
    43 #include <glxrequest.h>
       
    44 #include <glxthumbnailattributeinfo.h>
       
    45 #include <glxthumbnailrequest.h>
       
    46 #include <glxtndatabase.h>
       
    47 #include <glxtnfileinfo.h>
       
    48 #include <glxtnthumbnailcreator.h>
       
    49 #include <glxtracer.h>
       
    50 #include <lbsposition.h>
       
    51 #include <mdeconstants.h>
       
    52 #include <mdelogiccondition.h>
       
    53 #include <mdeobject.h>
       
    54 #include <mdeobjectdef.h>
       
    55 #include <mdeobjectquery.h>
       
    56 #include <mdepropertydef.h>
       
    57 #include <mderelationdef.h>
       
    58 #include <mdesession.h>
       
    59 #include <mdetextproperty.h>
       
    60 #include <mpxmedia.h>
       
    61 #include <mpxmediaarray.h> 
       
    62 #include <mpxmediacollectiondetaildefs.h>
       
    63 #include <mpxmediacontainerdefs.h>
       
    64 #include <mpxmediadrmdefs.h>
       
    65 #include <mpxmediageneraldefs.h>
       
    66 
       
    67 #include "glxdatasourcemds.h"
       
    68 #include "glxdatasourcemds.hrh"
       
    69 #include "glxdatasourcemdsutility.h"
       
    70 
       
    71 // CONSTANTS
       
    72 //const TInt KGlxAlbumPromotionPosition = 0;
       
    73 
       
    74 _LIT(KPropertyDefNameCreationDate, "CreationDate");
       
    75 
       
    76 // ----------------------------------------------------------------------------
       
    77 //  Constructor
       
    78 // ----------------------------------------------------------------------------
       
    79 //	
       
    80 CGlxDataSourceTaskMdeIdList::CGlxDataSourceTaskMdeIdList(CGlxIdListRequest* aRequest,
       
    81         MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource)
       
    82     : CGlxDataSourceTaskMde(aRequest, aObserver, aDataSource)
       
    83     {
       
    84     TRACER("CGlxDataSourceTaskMdeIdList::CGlxDataSourceTaskMdeIdList()")
       
    85     iFilterProperties = TGlxFilterFactory::ExtractAttributes(iRequest->Filter());
       
    86     }
       
    87 
       
    88 // ----------------------------------------------------------------------------
       
    89 //  Destructor
       
    90 // ----------------------------------------------------------------------------
       
    91 //		
       
    92 CGlxDataSourceTaskMdeIdList::~CGlxDataSourceTaskMdeIdList()
       
    93     {
       
    94     TRACER("CGlxDataSourceTaskMdeIdList::~CGlxDataSourceTaskMdeIdList()")
       
    95     // No implementation required
       
    96     }
       
    97 
       
    98 // ----------------------------------------------------------------------------
       
    99 // CGlxDataSourceTaskMde::FilterAvailableComplete
       
   100 // ----------------------------------------------------------------------------
       
   101 //  
       
   102 void CGlxDataSourceTaskMdeIdList::FilterAvailableComplete(
       
   103                                 const RArray<TGlxMediaId>& aIdArray, TInt aErrorCode)
       
   104     {
       
   105     TRACER("CGlxDataSourceTaskMdeIdList::FilterAvailableComplete()")
       
   106     DoPostFilterComplete(aIdArray, aErrorCode);
       
   107     }
       
   108 
       
   109 // ----------------------------------------------------------------------------
       
   110 //  CGlxDataSourceTaskMdeIdList::ExecuteRequestL
       
   111 // ----------------------------------------------------------------------------
       
   112 //
       
   113 void CGlxDataSourceTaskMdeIdList::ExecuteRequestL()
       
   114     {
       
   115     TRACER("CGlxDataSourceTaskMdeIdList::ExecuteRequestL()") 
       
   116     CGlxIdListRequest* request = static_cast<CGlxIdListRequest*>(iRequest);
       
   117     TGlxMediaId container = request->ContainerId();
       
   118     TGlxQueryType queryType = EIdListQuery;
       
   119     TQueryResultMode resultMode = EQueryResultModeId;
       
   120     CMdEObjectDef* objectDef = &DataSource()->ObjectDef();
       
   121     TBool isContent = ETrue;
       
   122 
       
   123     if( KGlxCollectionRootId == container.Value() )    // The root.
       
   124         {
       
   125         switch(request->CollectionPluginUid().iUid)
       
   126             {
       
   127 
       
   128             case KGlxCollectionPluginAlbumsImplementationUid:
       
   129                 {
       
   130                 isContent = EFalse;
       
   131                 objectDef = &DataSource()->AlbumDef();
       
   132                 break;
       
   133                 }
       
   134             case KGlxCollectionPluginCameraImplementationUid:
       
   135                 {
       
   136                 iFilterProperties.iOrigin = EGlxFilterOriginCamera;
       
   137                 break;
       
   138                 }
       
   139             case KGlxTagCollectionPluginImplementationUid: 
       
   140                 {
       
   141                 isContent = EFalse;
       
   142                 objectDef = &DataSource()->TagDef();
       
   143                 break;
       
   144                 }
       
   145             case KGlxCollectionPluginMonthsImplementationUid:
       
   146                 {
       
   147                 iFilterProperties.iOrigin = EGlxFilterOriginAll;          
       
   148                 container = TGlxMediaId(KGlxCollectionRootId);
       
   149                 resultMode = EQueryResultModeItem;
       
   150                 break;
       
   151                 }
       
   152             case KGlxCollectionPluginImageViewerImplementationUid:
       
   153                 {
       
   154                 RArray<TGlxMediaId> list;
       
   155                 CleanupClosePushL(list);
       
   156                 list.AppendL(TGlxMediaId(request->CollectionPluginUid().iUid));
       
   157                 DoPostFilterComplete(list, KErrNone);
       
   158                 CleanupStack::PopAndDestroy(&list);
       
   159                 return;
       
   160                 }
       
   161             default:
       
   162                 {
       
   163                 // default gallery query returns all objects as per filter
       
   164                 break;
       
   165                 }
       
   166             }
       
   167         }
       
   168     else    // return the content of a container
       
   169         {
       
   170         switch(request->CollectionPluginUid().iUid)
       
   171             {
       
   172             case KGlxCollectionPluginAlbumsImplementationUid:
       
   173                 {
       
   174                 objectDef = &DataSource()->AlbumDef();
       
   175                 break;
       
   176                 }
       
   177             case KGlxTagCollectionPluginImplementationUid: 
       
   178                 {
       
   179                 objectDef = &DataSource()->TagDef();
       
   180                 break;
       
   181                 }
       
   182             case KGlxCollectionPluginMonthsImplementationUid: 
       
   183                 {
       
   184 				iFilterProperties.iOrigin = EGlxFilterOriginAll;
       
   185                 AddMonthFilterL(container, iFilterProperties);
       
   186                 container = TGlxMediaId(KGlxCollectionRootId);
       
   187                 break;
       
   188                 }
       
   189             default:
       
   190                 {
       
   191                 User::Leave(KErrNotSupported);
       
   192                 break;
       
   193                 }
       
   194             }
       
   195         }
       
   196         
       
   197     DoQueryL(*objectDef, isContent, queryType, resultMode, container);  
       
   198     }
       
   199 
       
   200 // ----------------------------------------------------------------------------
       
   201 // CGlxDataSourceTaskMde::DoHandleQueryCompletedL
       
   202 // ----------------------------------------------------------------------------
       
   203 //
       
   204 void CGlxDataSourceTaskMdeIdList::DoHandleQueryCompletedL(CMdEQuery& /*aQuery*/)
       
   205     {
       
   206     TRACER("CGlxDataSourceTaskMdeIdList::DoHandleQueryCompletedL()")
       
   207     __ASSERT_DEBUG(iQueryTypes[0] == EIdListQuery, Panic(EGlxPanicLogicError));
       
   208     DoHandleListQueryCompletedL();
       
   209     }
       
   210 
       
   211 // ----------------------------------------------------------------------------
       
   212 // CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL
       
   213 // ----------------------------------------------------------------------------
       
   214 //  
       
   215 void CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL()
       
   216     {
       
   217     TRACER("CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL()")
       
   218     if(iQueries[0]->ResultMode() == EQueryResultModeItem)
       
   219         {
       
   220         DoMonthListCreationL(*iQueries[0], iFilterProperties);
       
   221         }
       
   222     else // only id or item supported
       
   223         {
       
   224 
       
   225         RArray<TGlxMediaId> localList;
       
   226         CleanupClosePushL(localList);
       
   227         NGlxDataSourceMdsUtility::CopyItemIdArrayL(localList,iQueries[0]->ResultIds());
       
   228         PostFilterL(localList, iFilterProperties);
       
   229         CleanupStack::PopAndDestroy(&localList);
       
   230         }
       
   231     }     
       
   232 
       
   233 // ----------------------------------------------------------------------------
       
   234 // CGlxDataSourceTaskMdeIdList::DoMonthListCreationL
       
   235 // ----------------------------------------------------------------------------
       
   236 //      
       
   237 void CGlxDataSourceTaskMdeIdList::DoMonthListCreationL(CMdEQuery& aQuery,
       
   238                                   const TGlxFilterProperties& aFilterProperties)
       
   239     {
       
   240     TRACER("CGlxDataSourceTaskMdeIdList::DoMonthListCreationL()")
       
   241     CMdEProperty* time;
       
   242     CMdEPropertyDef& creationDateDef = DataSource()->ObjectDef().GetPropertyDefL(KPropertyDefNameCreationDate);
       
   243     if (creationDateDef.PropertyType() != EPropertyTime)
       
   244         {
       
   245         User::Leave(KErrCorrupt);
       
   246         }
       
   247     RArray<TGlxMediaId> monthList;
       
   248     CleanupClosePushL(monthList);
       
   249     TTime lastMonth;
       
   250     TTime currentMonth;
       
   251     TInt count = aQuery.Count();
       
   252     for( TInt i = 0 ; i < count ; i++ )
       
   253         {
       
   254         CMdEObject& object = (CMdEObject&)aQuery.ResultItem(i);
       
   255         TInt timeIndex = object.Property(creationDateDef, time);
       
   256         if( KErrNotFound == timeIndex )
       
   257             {
       
   258             User::Leave(KErrCorrupt);
       
   259             }
       
   260         currentMonth = static_cast<CMdETimeProperty*>(time)->Value();
       
   261         if( !DataSource()->SameMonth(lastMonth, currentMonth) )
       
   262             {
       
   263             const TGlxMediaId monthId = DataSource()->GetMonthIdL(currentMonth);
       
   264             monthList.AppendL(monthId);
       
   265             lastMonth = currentMonth;
       
   266             }
       
   267         }
       
   268     PostFilterL(monthList, aFilterProperties);
       
   269     CleanupStack::PopAndDestroy(&monthList);
       
   270     }
       
   271 
       
   272 // ----------------------------------------------------------------------------
       
   273 //  CGlxDataSourceTaskMdeIdList::DoPostFilterComplete
       
   274 // ----------------------------------------------------------------------------
       
   275 //
       
   276 void CGlxDataSourceTaskMdeIdList::DoPostFilterComplete(
       
   277                                 const RArray<TGlxMediaId>& aIdArray, TInt aErrorCode)
       
   278     {
       
   279     TRACER("CGlxDataSourceTaskMdeIdList::DoPostFilterComplete()")
       
   280     if (aErrorCode == KErrNone)
       
   281     	{
       
   282     	TRAP(aErrorCode, ListToMediaL(aIdArray));
       
   283     	}
       
   284     
       
   285     HandleRequestComplete(aErrorCode);
       
   286     }
       
   287 
       
   288 // ----------------------------------------------------------------------------
       
   289 // CGlxDataSourceTaskMde::PostFilterL
       
   290 // ----------------------------------------------------------------------------
       
   291 //		
       
   292 void CGlxDataSourceTaskMdeIdList::PostFilterL(const RArray<TGlxMediaId>& 
       
   293                    aFilteredList, const TGlxFilterProperties& aFilterProperties)
       
   294     {
       
   295     TRACER("CGlxDataSourceTaskMdeIdList::PostFilterL()")
       
   296 
       
   297 	if( aFilterProperties.iPromoteSystemItems )
       
   298 		{
       
   299 		RArray<TGlxMediaId> list = aFilteredList;
       
   300 		/*
       
   301 		TInt favoritesIndex = list.Find(DataSource()->FavoritesId());
       
   302 		if( KErrNotFound != favoritesIndex )
       
   303 			{
       
   304 			list.Remove(favoritesIndex);
       
   305 			list.Insert(DataSource()->FavoritesId(), KGlxAlbumPromotionPosition);
       
   306 			}
       
   307 		*/			
       
   308 		DoPostFilterComplete(list, KErrNone);
       
   309 		}
       
   310 	else
       
   311             {
       
   312             DoPostFilterComplete(aFilteredList, KErrNone);
       
   313             }
       
   314     }