diff -r e7aa27f58ae1 -r e1b6206813b4 emailuis/emailui/src/OverlayControl.cpp
--- a/emailuis/emailui/src/OverlayControl.cpp	Tue Feb 02 00:02:40 2010 +0200
+++ b/emailuis/emailui/src/OverlayControl.cpp	Fri Feb 19 22:37:30 2010 +0200
@@ -30,7 +30,6 @@
 	{
     delete iBitmap;
     delete iMask;
-    delete iSolidMask;
 	}
 
 COverlayControl* COverlayControl::NewL( CCoeControl* aParent, MOverlayControlObserver* aObserver, 
@@ -45,9 +44,8 @@
 
 void COverlayControl::ConstructL( CCoeControl* aParent, const TRect& aRect, TInt aBitmapId, TInt aMaskId )
 	{
-	iSolidMask = new(ELeave) CFbsBitmap();
 
-    CreateWindowL( aParent );
+    SetContainerWindowL( *aParent );
 	
 	TFileName iconFileName;
 	TFsEmailUiUtility::GetFullIconFileNameL( iconFileName );
@@ -72,137 +70,41 @@
     if( iMask )
         {
         AknIconUtils::SetSize( iMask, aRect.Size() );
-        
-        // Create a solid version of the mask, too
-        TRAP_IGNORE(
-            CopyBitmapL( *iMask, *iSolidMask );
-            AdjustAlpha( *iSolidMask, KSolidTransparencyFactor );
-            );
-        
-        UpdateMask();
         }
     CCoeControl::SetRect( aRect );
     }
 
-void COverlayControl::CopyBitmapL( const CFbsBitmap& aSource, CFbsBitmap& aDest )
-    {
-    TSize size = aSource.SizeInPixels();
-    TInt dataSize = aSource.DataStride() * size.iHeight;
-    User::LeaveIfError( aDest.Create( size, aSource.DisplayMode() ) );
-    
-    CFbsBitGc* bitCtx;
-    CFbsBitmapDevice* bitDev = CFbsBitmapDevice::NewL( &aDest );
-    CleanupStack::PushL( bitDev );
-    User::LeaveIfError( bitDev->CreateContext( bitCtx ) );
-    CleanupStack::PushL( bitCtx );
-    bitCtx->BitBlt( TRect( size ).iTl, &aSource );
-    CleanupStack::PopAndDestroy( 2 ); // bitCtx, bitDev
-    }
-
-void COverlayControl::AdjustAlpha( CFbsBitmap& aBitmap, TReal aFactor )
-    {
-    aBitmap.LockHeap();
-    TUint8* data = (TUint8*)aBitmap.DataAddress();
-    TSize size = aBitmap.SizeInPixels();
-    TInt dataSize = aBitmap.DataStride() * size.iHeight;
-    for( TInt i = 0; i<dataSize; i++ )
-        {
-        // multiply each pixel by aFactor
-        if( data[i] ) 
-            {
-            TInt value = aFactor * data[ i ];
-            if( value > KMaxTUint8 ) 
-                {
-                value = KMaxTUint8;
-                }
-            data[ i ] = value;
-            }
-        }
-    aBitmap.UnlockHeap();   
-    }
-
 void COverlayControl::HandlePointerEventL( const TPointerEvent& aPointerEvent )
     {
     CCoeControl::HandlePointerEventL( aPointerEvent );
-
-    // Do hit test for the pointer event
-    TBool hit = EFalse;
     
-    TSize size = Size();
-    if( aPointerEvent.iPosition.iX >= 0 && 
-         aPointerEvent.iPosition.iY >= 0 &&
-         aPointerEvent.iPosition.iX < size.iWidth && 
-         aPointerEvent.iPosition.iY < size.iHeight )
-        {
-        hit = ETrue;
-        }
-    
-    if( aPointerEvent.iType == TPointerEvent::EButton1Up )
+    if( iObserver )
         {
-        SetPointerCapture( EFalse );
-        UpdateButtonState( EFalse );
-        
-        // Notify the events only if released on top of the control 
-        if( iObserver && hit )
-            {
-            // Do not let leaves disturb the system
-            TRAP_IGNORE(
-                iObserver->HandleOverlayPointerEventL( this, aPointerEvent );
-                );
-            }
+        // Do not let leaves disturb the system
+        TRAP_IGNORE(
+            iObserver->HandleOverlayPointerEventL( this, aPointerEvent ));
         }
-    else if( aPointerEvent.iType == TPointerEvent::EButton1Down )
-        {
-        UpdateButtonState( ETrue );
-        SetGloballyCapturing( ETrue );
-        SetPointerCapture( ETrue );
-        }
-    else if( aPointerEvent.iType == TPointerEvent::EDrag )
-        {
-        // Update the button UI according to hit result
-        UpdateButtonState( hit );
-        }
-    }
-
-void COverlayControl::UpdateButtonState( TBool aButtonDown )
-    {
-    if( iDownState != aButtonDown )
-        {
-        iDownState = aButtonDown;
-        UpdateMask();
-        }
-    }
+     }
 
 void COverlayControl::MakeVisible( TBool aVisible )
     {
     if( !aVisible )
         {
-        UpdateButtonState( EFalse );
         SetPointerCapture( EFalse );
         }
+    else
+        {
+        DrawDeferred();
+        }
     CCoeControl::MakeVisible( aVisible );
     }
 
-void COverlayControl::UpdateMask()
-    {
-    CFbsBitmap* mask = iMask;
-    if( iDownState )
-        {
-        mask = iSolidMask;
-        }
-    if( mask )
-        {
-        Window().SetTransparencyBitmap( *mask );
-        }
-    }
-
 void COverlayControl::Draw( const TRect& ) const 
 	{
 	CWindowGc& gc = SystemGc();
-
 	if( iBitmap )
 	    {
         TSize size = iBitmap->SizeInPixels();
-        gc.BitBlt( TPoint( 0, 0 ), iBitmap );
-	    }
+        gc.BitBltMasked(Position(),iBitmap,TRect( TPoint(0,0), size),iMask, ETrue);
+        }
 	}