diff -r 000000000000 -r 5e5d6b214f4f imstutils/imconversationview/imcvuiapp/inc/mimcvappmessageextension.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imstutils/imconversationview/imcvuiapp/inc/mimcvappmessageextension.h	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,178 @@
+/*
+* Copyright (c) 2007-2008 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:  message extention interface
+*
+*/
+
+
+#ifndef MIMCVAPPMESSAGEEXTENSION_H
+#define MIMCVAPPMESSAGEEXTENSION_H
+
+//  INCLUDES
+#include <e32std.h>
+
+// FORWARD DECLARATIONS
+class CEikRichTextEditor;
+class TCursorSelection;
+class CRichText;
+class MBSAccess;
+
+// Type definitions for different smiley types
+ enum TMessageExtensionTypes
+    {
+        EMessageExtensionSmiley = 0
+    };
+
+// CLASS DECLARATION
+
+/**
+*  Interface class for message extension classes
+*/
+class MIMCVAppMessageExtension
+    {
+    public:
+        /**
+         * Return type of Extension. Inherited message extension does not need
+         * information of type. It is only needed by handler of extensions and
+         * user of extension. That is why implementation is created in here.
+         * @since 5.0
+         * @return Type of extension
+         */
+        virtual TMessageExtensionTypes Type() const
+            {
+            return iType;
+            }
+
+        /**
+         * Destructor	
+         * @since 5.0
+         */
+        virtual ~MIMCVAppMessageExtension(){};
+
+    protected:
+
+        /** 
+         *	Constructor Inherited message extension does not need
+         *  information of type. It is only needed by handler of extensions and
+         *  user of extension. That is why implementation is created in here.
+         *  @since 5.0
+         *  @param aType Type of extension
+         */
+        MIMCVAppMessageExtension( TMessageExtensionTypes aType ) : iType( aType ){}
+
+    public: //Interface methods
+        
+        
+		/**
+        * Removes extension from given position in Editor
+        * @param aEditor used editor
+        * @param aPos    extension position in Editor
+        * @since 5.0
+        */
+        virtual void DeleteExtensionL( CEikRichTextEditor& aEditor, 
+                                       TInt aPos ) = 0;
+
+		/**
+		* Converts smiley icons to string smileys
+        * @since 5.0
+        * @param aEditor    used editor
+		* @param aDes       Text from editor
+		*/
+		virtual void ExtensionToStringL( CEikRichTextEditor& aEditor, 
+		                                 TDes& aDes ) = 0;
+
+        /**
+         *  Converts extension in selection area from strings to extensions.
+         *  Used for example for cut, copy, paste features.
+         *  @since 5.0
+         *  @param aEditor, Used editor
+         */
+        virtual void ConvertSelectionToExtensionL( 
+                                CEikRichTextEditor& aEditor ) = 0;
+        
+        /**
+         *  Converts all the extensions in selection area from 
+         *  strings to extensions. 	
+         *  @since 5.0
+         *  @param aRichText Rich text to be converted
+         *  @param aSelection Selection area
+         */
+        virtual void ConvertSelectionToExtensionL( CRichText& aRichText, 
+                                            TCursorSelection& aSelection ) = 0;
+
+        /**
+         *  Converts extension in selection area from extensions to strings.
+         *  Used for example for cut, copy, paste features.
+         *  @since 5.0
+         *  @param aEditor, Used editor
+         *  @param aPreserve, Preserve original status of extension
+         */
+        virtual void ConvertSelectionToStringL( CEikRichTextEditor& aEditor, 
+                                                TBool aPreserve ) = 0;
+
+        /**
+         *  Reset extension counters.
+         *  @sinze 5.0
+         */
+        virtual void Reset() = 0;
+        
+        /**         
+         * Informs the extensions about changed size
+         * @param aSize
+         * @since 5.0
+         */
+        virtual void SizeChanged( TSize& aSize ) = 0;
+
+        /**
+         * Converts all the extensions in selection area from 
+         * extensions to strings.
+         * @since S60 v5.0
+         * @param aEditor Used editor.
+         * @param aResultString Descriptor for converted string,
+         *                      caller is responsible to provide
+         *                      large enough descriptor.
+         * @param aSelectionAfterConversion Cursor selection after
+         *                      extensions are converted to strings.
+         * @param aPreserve Should we preserve original extension status.
+         */
+        virtual void ConvertSelectionToStringL( 
+            CEikRichTextEditor& aEditor,
+            TDes& aResultString,
+            TCursorSelection& aSelectionAfterConversion,
+            TBool aPreserve ) = 0;
+            
+               /**
+        * Adds extension to current position in Editor
+        * @param aEditor used editor
+        * @param aCancelled
+        * @since 2.1
+        */
+		virtual void InsertExtensionL( CEikRichTextEditor& aEditor,
+		                               TBool& aCancelled, TSize size ) = 0;
+		
+		/*
+		 * return service Id used
+		 */
+		virtual TInt ServiceId() const = 0 ;
+            
+    private:
+
+        // Type of extension
+        TMessageExtensionTypes iType;
+        
+    };
+
+#endif      // MIMCVAPPMESSAGEEXTENSION_H
+
+// End of File