--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/inc/xndomstringpool.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2005,2006 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:  Flyweigth pattern implementation for dom strings.
+*
+*/
+
+
+
+#ifndef XN_DOM_STRING_POOL_H
+#define XN_DOM_STRING_POOL_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <s32strm.h>
+
+// CLASS DECLARATION
+
+/**
+*  @ingroup group_domdocument
+*  Class utilize flyweight pattern. Dom strings are stored once 
+*  and referred with index. Class can be serialized.
+*
+*  @lib xndomdocument.lib
+*  @since Series 60 3.1
+*/
+class CXnDomStringPool : public CBase
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        */
+        static CXnDomStringPool* NewL();
+        /**
+        * Two-phased stream constructor.
+        */
+        static CXnDomStringPool* NewL( RReadStream& aStream );
+        /**
+        * Destructor.
+        */
+        virtual ~CXnDomStringPool();
+
+   public: 
+        /**
+        * Make a copy from original StringPool.
+        * @since Series 60 3.1
+        * @return Pointer to a string pool. Ownership is transferred to a caller.
+        */
+        CXnDomStringPool* CloneL(); 
+   public: //Adding
+        
+        /**
+        * Set dom string into string pool.
+        * @param aString String to add to string pool
+        * @return Index (reference) to string pool
+        */
+        IMPORT_C TInt AddStringL( const TDesC8& aString ); 
+   
+   public: //Accessing     
+        /**
+        * Get pointer to the node element name.
+        * @param aMap Map object which has index to name string
+        * @return Pointer to the name
+        */
+        const TDesC8& String( const TInt aStringRef ); 
+        
+        /**
+        * Get object's data size in bytes.
+        * @return Data size in bytes
+        */
+        TInt Size() const;
+        
+        /**
+        * Externalize object
+        * @param aStream Output stream
+        */
+        void ExternalizeL( RWriteStream& aStream ) const;
+       
+        /**
+        * Internalize object
+        * @param aStream Input stream
+        */
+        void InternalizeL( RReadStream& aStream );          
+        
+        /**
+        * Get index offset to string array for shared resources
+        * @return An offset that caller must add to its indexes
+        */
+        TUint Offset() const;
+
+   private:
+
+        /**
+        * C++ default constructor.
+        */
+        CXnDomStringPool();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+     
+    private:    
+        //String pool
+        RPointerArray<HBufC8>       iStringPool;
+       
+        TUint iStringPoolOffsetCurrent; // Internalize uses 
+        TUint iStringPoolOffsetNext;
+    };
+
+#endif      // XN_DOM_STRING_POOL_H  
+            
+// End of File