diff -r 000000000000 -r 2f259fa3e83a uifw/AvKon/inc/AknQueryExtension.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/inc/AknQueryExtension.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,110 @@
+/*
+* Copyright (c) 2004 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:  Internal extension class for Avkon query control
+*
+*/
+
+
+
+#ifndef AKNQUERYEXTENSION_H
+#define AKNQUERYEXTENSION_H
+
+// INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CAknQueryControl;
+class CAknsFrameBackgroundControlContext;
+
+// CLASS DECLARATION
+
+/**
+* Internal extension class for CAknQueryControl and derived classes.
+*
+* @since 2.6
+*
+* @internal
+*/
+NONSHARABLE_CLASS(CAknQueryExtension) : public CBase
+    {
+    public: // New methods
+
+        enum TVirtualInputStatus
+            {
+            EVirtualInputCheckedAlready,
+            EVirtualInputEnabled
+            };
+        /**
+        * Creates a new editor control context (with QsnFrInput),
+        * but does not initialize rectangles.
+        *
+        * @since 2.6
+        */
+        void CreateEditorContextL();
+
+        /**
+        * Returns the editor context.
+        *
+        * @since 2.6
+        */
+        CAknsFrameBackgroundControlContext* EditorContext();
+
+    private: // New methods (only used by CAknQueryControl)
+
+        /**
+        * Retrieves the extension instance.
+        * This method is only used internally by CAknQueryControl.
+        * Generally, @c CAknQueryControl::QueryExtension should be used to 
+        * access the instance.
+        */
+        static CAknQueryExtension* Instance(
+            const CAknQueryControl* aQueryControl );
+
+    private: // Construction and destruction (only used by CAknQueryControl)
+
+        /**
+        * Creates the extension.
+        */
+        static void CreateExtensionL(
+            const CAknQueryControl* aQueryControl );
+
+        /**
+        * Destroyes the extension.
+        */
+        static void DestroyExtension(
+            const CAknQueryControl* aQueryControl );
+
+        /**
+        * Static constructor.
+        */
+        static CAknQueryExtension* NewL();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CAknQueryExtension();
+
+    private: // Data
+        CAknsFrameBackgroundControlContext* iEditorContext;
+        TBool iAllowEmptyInput;
+        TBitFlags iVirtualInputStatusFlags;
+
+    private: // Friend classes
+        friend class CAknQueryControl;
+        friend class CAknMultilineQueryControl;
+    };
+
+#endif      // AKNQUERYEXTENSION_H
+            
+// End of File