diff -r 12c456ceeff2 -r 5253a20d2a1e emailuis/emailui/inc/OverlayControl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/emailui/inc/OverlayControl.h	Mon Jan 18 20:08:26 2010 +0200
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: This file implements overlay controls
+*
+*/
+
+#ifndef CTESTOVERLAYCONTROL_H
+#define CTESTOVERLAYCONTROL_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+#include <coecntrl.h>
+#include <eikenv.h>
+#include <AknIconUtils.h>
+#include <freestyleemailui.mbg>
+#include "FreestyleEmailUiUtilities.h"
+
+// forward declarations.	
+class RWsSession;
+class TFsEmailUiUtility;
+
+// CLASS DECLARATION
+class COverlayControl;
+
+/**
+ * Observer for overlay control touch events
+ */
+class MOverlayControlObserver
+    {
+public:
+    virtual void HandleOverlayPointerEventL( COverlayControl* aControl, const TPointerEvent& aEvent ) = 0;
+    };
+
+/**
+ *  COverlayControl
+ */
+class COverlayControl : public CCoeControl
+	{
+public:
+	// Constructors and destructor
+
+	/**
+	 * Destructor.
+	 */
+	~COverlayControl();
+
+	/**
+	 * Two-phased constructor.
+	 * @param aParent if not NULL, parent control
+	 * @param aObserver observer for touch events
+	 * @param aRect initial size and position
+	 * @param aBitmapId bitmap to be used
+	 * @param aMaskId mask to be used
+	 */
+	static COverlayControl* NewL( CCoeControl* aParent, MOverlayControlObserver* aObserver, 
+	        const TRect& aRect, TInt aBitmapId, TInt aMaskId );
+
+	void Draw( const TRect& ) const;
+
+	void SetRect( const TRect& aRect );
+
+	void HandlePointerEventL(const TPointerEvent& aPointerEvent);
+	
+	void MakeVisible( TBool aVisible );
+
+	   /**
+	     * Update visual state
+	     * @param aButtonDown ETrue if button is in down state
+	     */
+	void UpdateButtonState( TBool aButtonDown );
+	
+private:
+
+	/**
+	 * Constructor for performing 1st stage construction
+	 * @param aObserver observer for touch events
+	 */
+	COverlayControl( MOverlayControlObserver* aObserver );
+
+	/**
+	 * EPOC default constructor for performing 2nd stage construction
+	 */
+	void ConstructL( CCoeControl* aParent, const TRect& aRect, TInt aBitmapId, TInt aMaskId );
+
+	/**
+	 * Make a copy of bitmap
+	 */
+    void CopyBitmapL( const CFbsBitmap& aSource, CFbsBitmap& aDest );
+    
+    /**
+     * Adjust alpha for the bitmap
+     * @param aBitmap bitmap to adjust
+     * @param aFactor factor to apply
+     */
+    void AdjustAlpha( CFbsBitmap& aBitmap, TReal aFactor );
+    
+    /**
+     * Update used mask according to current button state
+     */
+    void UpdateMask();
+	
+private:
+    
+	CFbsBitmap* iBitmap;
+	CFbsBitmap* iMask;
+	CFbsBitmap* iSolidMask;
+	TBool iDownState;
+	
+	MOverlayControlObserver* iObserver;
+	};
+
+#endif // CTESTOVERLAYCONTROL_H