webengine/widgetengine/inc/Renderer.h
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/widgetengine/inc/Renderer.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2006 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 "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:  This class represents the Widget Renderer object
+*
+*/
+
+#ifndef __WIDGETENGINERENDERER
+#define __WIDGETENGINERENDERER
+
+//  INCLUDES
+#include <e32base.h>
+#include "WidgetEngineCallbacks.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATION
+
+// CLASS DECLARATION
+
+/**
+*  WidgetRenderer
+*
+*  @lib widgetengine.dll
+*  @since 3.1
+*/
+class WidgetRenderer
+{
+
+public:
+    WidgetRenderer(MWidgetEngineCallbacks& aWidgetEngineCallback);
+    ~WidgetRenderer();
+
+public:
+    void prepareForTransitionL(const TDesC& aTransition);
+    void performTransitionL();
+
+public:
+    void transitionCb();
+    TBool transitionInProgress() { return m_transitionbitmap!=0; }
+    void preparetodrawTransition();    
+    void drawTransition(CWindowGc& gc, CFbsBitmap* aCurrentBitmap);
+    
+protected:
+    void createTransitionBitmapL();
+    void destroyTransitionBitmap();
+    void createFadeMaskL();
+    void destroyFadeMask();
+    void drawFadeMaskL();
+
+private:      
+    CFbsBitmap*     m_transitionbitmap;
+    CFbsBitmap*     m_fademask;
+    CPeriodic*      m_transitiontimer; 
+    TUint8          m_transitioncount;
+    TUint8          m_maxtransitions;
+    MWidgetEngineCallbacks* m_widgetenginecallback;
+
+};
+
+#endif