--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/dataprovider/src/glxcontainerlistbinding.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,303 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:    CGlxContainerListBinding This class holds the list of 
+*                 tags/albums associated with a media item
+*
+*/
+
+
+
+
+#include "glxcontainerlistbinding.h"        // his class holds the list of tags/albums associated with a media item
+
+#include <glxfilterfactory.h>        		// for TGlxFilterFactory
+#include <glxuistd.h>                       // for attribute priority
+#include <mul/mulvisualitem.h>              // Client need to use this class to add data in data model       
+
+using namespace Alf;
+
+//CONSTANTS
+const TInt  KTagMediaListId = 0x2000D248;
+const TInt  KRangeOffset = 50;
+
+// ----------------------------------------------------------------------------
+// NewL
+// ----------------------------------------------------------------------------
+//
+CGlxContainerListBinding* CGlxContainerListBinding::NewL( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const
+        aMulTag*/, const CMPXCollectionPath& aPath )
+	{
+	CGlxContainerListBinding* self = CGlxContainerListBinding::NewLC( aMulTag, aPath);
+	CleanupStack::Pop( self );
+	return self;
+	}
+	
+
+// ----------------------------------------------------------------------------
+// NewLC
+// ----------------------------------------------------------------------------
+//	
+CGlxContainerListBinding* CGlxContainerListBinding::NewLC( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const
+        aMulTag*/, const CMPXCollectionPath& aPath )
+	{
+	CGlxContainerListBinding* self = new ( ELeave ) CGlxContainerListBinding();
+	CleanupStack::PushL( self );
+	self->ConstructL( aMulTag, aPath );
+	return self;
+	}
+
+// ----------------------------------------------------------------------------
+// ConstructL
+// ----------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::ConstructL( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, 
+        const CMPXCollectionPath& aPath )
+	{
+	CGlxSingleTagBinding::BaseConstructL( aMulTag );
+	iContainerPath = CMPXCollectionPath::NewL( aPath );
+	
+	// attributes for Title of tags and albums
+	iFetchContext = CGlxDefaultAttributeContext::NewL();
+	iFetchContext->AddAttributeL( KMPXMediaGeneralTitle );
+	iFetchContext->SetRangeOffsets(KRangeOffset,KRangeOffset);
+	}
+
+// ----------------------------------------------------------------------------
+// Destructor
+// ----------------------------------------------------------------------------
+//
+CGlxContainerListBinding::~CGlxContainerListBinding()
+	{
+	CloseMediaList();
+	}
+	
+// ---------------------------------------------------------------------------
+// PopulateT
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::PopulateT( Alf::MulVisualItem& aItem,
+        const TGlxMedia& aMedia, TBool /*aIsFocused*/ ) const
+	{
+    const TInt KCommaLength = 2;
+    _LIT(KComma,",");
+
+    //T is used for throws as per C++ standard.Hence used instead of "L"
+    //Ignoring this for code scanner warnings - Leaving functions called in non-leaving functions.
+    
+	if(!iContainerList)
+		{
+		CreateMediaListL( aMedia.Id() );
+		}
+
+	if( iContainerList )
+		{
+		CGlxUStringConverter* stringConverter = CGlxUStringConverter::NewL();
+		CleanupStack::PushL(stringConverter );
+
+		TInt tagListcount = iContainerList->Count();
+		//if tags count is grater than 1 then display tags saperated by comma
+		if( tagListcount > 0 )
+			{
+			HBufC* stringBuffer = NULL;
+			
+			for(TInt i=0; i < tagListcount; i++ )
+				{
+				HBufC* string = NULL;
+				stringConverter->AsStringL( iContainerList->Item(i),    
+				    KMPXMediaGeneralTitle, NULL, string );
+				if( string )
+					{
+					if( stringBuffer )
+					    {
+					    stringBuffer = stringBuffer->ReAlloc( stringBuffer->Length() +  string->Length() );
+					    stringBuffer->Des().Append ( string->Des() );
+					    }
+				    
+					if( !stringBuffer )
+					    {
+	   				    stringBuffer = string->Alloc();
+					    }
+						
+				    delete string;
+				    string = NULL;
+					}
+				if( i < tagListcount -1 )
+					{
+			    	if( stringBuffer )
+			    	    {
+    					stringBuffer = stringBuffer->ReAlloc( stringBuffer->Length() +  KCommaLength );
+    					stringBuffer->Des().Append( KComma );
+			    	    }
+					}
+				}
+					
+			if( stringBuffer )
+			    {
+    			aItem.SetAttribute( MulTag(), *stringBuffer );
+    			delete stringBuffer;
+    			stringBuffer = NULL;
+			    }
+			}
+		else
+			{		
+			aItem.SetAttribute( MulTag(), _L("") );
+			}
+		CleanupStack::PopAndDestroy(stringConverter );
+		}
+		
+}
+// ---------------------------------------------------------------------------
+// CreateMediaListL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::CreateMediaListL(TGlxMediaId aMediaId) const
+    {
+    //create filter that excludes all containers that do not contain the specified item
+    CMPXFilter* itemFilter  = TGlxFilterFactory::CreateExcludeContainersWithoutItemFilterL( aMediaId );
+    CleanupStack::PushL(itemFilter);
+
+    TGlxFilterProperties filterProperty;
+    filterProperty.iSortOrder = EGlxFilterSortOrderAlphabetical;
+    filterProperty.iSortDirection = EGlxFilterSortDirectionAscending;
+    //creates a combined filter, items will be sorted by the filters specified
+    CMPXFilter* filter  = TGlxFilterFactory::CreateCombinedFilterL( filterProperty,
+                                                                        itemFilter, EFalse);
+    CleanupStack::PushL(filter); 
+    //create media list
+    iContainerList = MGlxMediaList::InstanceL( *iContainerPath, TGlxHierarchyId(KTagMediaListId), filter );
+    iContainerList->AddContextL( iFetchContext, KGlxFetchContextPriorityNormal );
+    iContainerList->AddMediaListObserverL( const_cast<CGlxContainerListBinding*>(this));
+    CleanupStack::PopAndDestroy(filter);
+    CleanupStack::PopAndDestroy(itemFilter);
+    }
+// ---------------------------------------------------------------------------
+// CloseMediaListL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::CloseMediaList()
+    {
+    if(iContainerList)
+        {
+        iContainerList->RemoveMediaListObserver( this );
+		if (iFetchContext)
+			{
+			iContainerList->RemoveContext( iFetchContext );
+			delete iFetchContext;
+			iFetchContext = NULL;
+			}
+        iContainerList->Close();
+        }
+    if (iContainerPath)
+		{
+		delete iContainerPath;
+		iContainerPath= NULL;
+		}
+    }
+    
+// ---------------------------------------------------------------------------
+// HandleItemAddedL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleItemAddedL( TInt /*aStartIndex*/, TInt /*aEndIndex*/, 
+        MGlxMediaList* /*aList*/ )
+    {
+    //No implementation
+    }
+    
+// ---------------------------------------------------------------------------
+// HandleItemRemovedL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleItemRemovedL( TInt /*aStartIndex*/, 
+        TInt /*aEndIndex*/, MGlxMediaList* /*aList*/ )
+    {
+    //No implementation    
+    }
+    
+// ---------------------------------------------------------------------------
+// HandleAttributesAvailableL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleAttributesAvailableL( TInt /*aItemIndex*/, 
+    const RArray<TMPXAttribute>& /*aAttributes*/, MGlxMediaList* aList )
+	{
+	if( aList == iContainerList )
+		{
+		Update();
+		}
+	}
+
+// ----------------------------------------------------------------------------
+// HandleFocusChanged
+// checks whether the focus has changed,returns the response status 
+// ----------------------------------------------------------------------------
+//  
+CGlxBinding::TResponse CGlxContainerListBinding::HandleFocusChanged( 
+        TBool /*aIsGained*/ )
+    {
+    //@todo - Need further implementation
+    //return aIsGained ? EUpdateRequested : ENoUpdateNeeded ;
+    //need to remove once bug ESPK-7G6GJX is fixed
+    return ENoUpdateNeeded ;
+    }
+    
+// ---------------------------------------------------------------------------
+// HandleFocusChangedL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleFocusChangedL( NGlxListDefs::TFocusChangeType /*aType*/, 
+        TInt /*aNewIndex*/, TInt /*aOldIndex*/, MGlxMediaList* /*aList*/ )
+    {
+    //No implementation   
+    }
+
+// ---------------------------------------------------------------------------
+// HandleItemSelectedL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleItemSelectedL(TInt /*aIndex*/,
+        TBool /*aSelected*/, MGlxMediaList* /*aList*/ ) 
+    {
+    //No implementation    
+    }
+
+// ---------------------------------------------------------------------------
+// HandleMessageL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleMessageL( const CMPXMessage& /*aMessage*/,
+        MGlxMediaList* /*aList*/ ) 
+    {
+    //No implementation    
+    }
+
+// ---------------------------------------------------------------------------
+// HandleMediaL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleMediaL( TInt /*aListIndex*/,
+        MGlxMediaList* /*aList*/ ) 
+    {
+    //No implementation    
+    }
+
+// ---------------------------------------------------------------------------
+// HandleItemModifiedL
+// ---------------------------------------------------------------------------
+//
+void CGlxContainerListBinding::HandleItemModifiedL( const RArray<TInt>& /*aItemIndexes*/,
+        MGlxMediaList* /*aList*/ )
+    {
+    //No implementation    
+    }