photosgallery/viewframework/dataprovider/inc/glxcontainerlistbinding.h
changeset 0 4e91876724a2
child 56 b023a8d2866a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/dataprovider/inc/glxcontainerlistbinding.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,129 @@
+/*
+* 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
+*
+*/
+
+
+
+
+#ifndef _GLXCONTAINERLISTBINDING_H_
+#define _GLXCONTAINERLISTBINDING_H_
+
+#include <e32base.h>                  // Container Base Class
+#include <mpxattribute.h>             // lib mpxcommon.lib
+#include <mglxmedialistobserver.h>    // Observes for changes in media list
+#include "glxattributecontext.h"      // Fetch context to retrieve thumbnails
+#include "glxbinding.h"               // holds the bindings required to populate the visual item
+#include "glxustringconverter.h"      // class that converts the symbian types to UString type
+
+class CMPXCollectionPath;             //  mpxcommon.lib
+class CGlxAttributeContext;           // Fetch context to retrieve thumbnails
+class MGlxMediaList;                  // lib glxmedialists.lib
+class TGlxMedia;                      // media item in the item pool
+
+namespace Alf
+    {
+    class IAlfVariantType;            // lib alfwidgetmodel.lib
+    class MulVisualItem;              // Client need to use this class to add data in data model
+    }
+
+namespace osncore
+    {
+    class UString;                    // encapsulates utf-8 encoded string
+    }
+       
+/**
+ * CGlxContainerListBinding This class holds the list of tags/albums associated with a media item
+ */
+NONSHARABLE_CLASS( CGlxContainerListBinding ) : public CGlxSingleTagBinding, 
+        public MGlxMediaListObserver
+    {
+public:
+
+	/**
+	 * NewL Two phase construction
+	 */
+	static CGlxContainerListBinding* NewL( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, 
+		const CMPXCollectionPath& aPath );
+	
+	/**
+	 * NewLC Two phase construction
+	 */
+	static CGlxContainerListBinding* NewLC( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, 
+		const CMPXCollectionPath& aPath );
+		
+	/**
+	* Destructor
+	*/	
+	~CGlxContainerListBinding();
+
+private:
+
+	/**
+	 * ConstructL Two phase construction
+	 */
+	void ConstructL( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, const CMPXCollectionPath& aPath );
+
+	// From MGlxMediaListObserver
+	void HandleItemAddedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList );
+	void HandleItemRemovedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList );
+	void HandleAttributesAvailableL( TInt aItemIndex, 
+	    const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList );    
+	void HandleFocusChangedL( NGlxListDefs::TFocusChangeType aType, 
+        TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList );
+	void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList ) ;
+	void HandleMessageL( const CMPXMessage& aMessage, MGlxMediaList* aList ) ;
+	void HandleMediaL( TInt aListIndex, MGlxMediaList* aList ) ;
+	void HandleItemModifiedL( const RArray<TInt>& aItemIndexes, MGlxMediaList* aList );
+	    
+	// From CGlxBinding
+	void PopulateT( Alf::MulVisualItem& aItem, const TGlxMedia& aMedia,
+													TBool aIsFocused ) const;
+
+	/**
+     * Create media list
+     * @ param aMediaId media id for creating filtered media list
+     */ 
+	void CreateMediaListL(TGlxMediaId aMedia) const;
+	
+    /**
+     * Close media list
+     */ 
+	void CloseMediaList();
+	
+	/**
+	 * HandleFocusChanged
+	 * @param aIsGained holds the focus change status
+	 * @param aPath source path to the collection
+	 */
+    TResponse HandleFocusChanged( TBool aIsGained );
+    
+private:
+
+	//Medialist that holds the list of tags/albums
+	mutable MGlxMediaList* iContainerList;
+	
+	//Fetch context to get the attributes
+	CGlxDefaultAttributeContext* iFetchContext;
+	
+	// collection path from which to fetch the attribute
+	CMPXCollectionPath* iContainerPath;
+	
+	TGlxSequentialIterator iIterator;
+	
+    };
+    
+#endif //_GLXCONTAINERLISTBINDING_H_