--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dependencies/physics_api/inc/aknphysicsobserveriface.h	Thu Mar 25 16:25:17 2010 +0100
@@ -0,0 +1,71 @@
+/*
+* 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 "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:  AknPhysics observer interface
+*
+*/
+
+#ifndef M_AKNPHYSICSOBSERVER_H
+#define M_AKNPHYSICSOBSERVER_H
+
+#include <e32base.h>
+
+/**
+ *  AknPhysics observer.
+ *
+ *  @lib aknphysics
+ *  @since S60 v5.0
+ */
+class MAknPhysicsObserver
+    {
+
+public:
+
+    /**
+     * Physics emulation has moved the view.
+     * 
+     * When this method is called client should update its visual and logical
+     * states to reflect the changes caused by view move. Note that if the
+     * parameter @c aDrawNow is @c EFalse client is not allowed to redraw the
+     * display but should only update its logical state.
+     * Physics engine will ensure that the last frame is always drawn.
+     *
+     * @since S60 v5.0
+     *
+     * @param  aNewPosition  The new position of the view.
+     * @param  aDrawNow      @c ETrue if client should redraw the screen,
+     *                       otherwise @c EFalse.
+     * @param  aFlags        Additional flags, not used currently.
+     */
+    virtual void ViewPositionChanged( const TPoint& aNewPosition,
+                                      TBool aDrawNow,
+                                      TUint aFlags ) = 0;
+    
+    /**
+     * Physics emulation has stopped moving the view
+     *
+     * @since S60 v5.0
+     */
+    virtual void PhysicEmulationEnded() = 0;
+
+    /**
+     * Returns the observer's view position.
+     *
+     * @since S60 v5.0
+     *
+     * @return Physics observer's view position.
+     */
+    virtual TPoint ViewPosition() const = 0;
+    };
+
+#endif // M_AKNPHYSICSOBSERVER_H