--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlinc/aknstyluspopupmenuphysicshandler.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,261 @@
+/*
+* 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:   AknTreeListView physics handler
+*
+*/
+
+
+
+#ifndef C_AKNSTYLUSPOPUPMENUPHYSICSHANDLER_H
+#define C_AKNSTYLUSPOPUPMENUPHYSICSHANDLER_H
+
+
+#include <e32base.h>
+#include <w32std.h>
+#include <aknphysicsobserveriface.h>
+
+class CAknPhysics;
+class CAknStylusPopUpMenuContent;
+
+/**
+ *  StylusPopUpmenu physics handler.
+ *
+ *  @lib aknhlist
+ *  @since S60 v5.0
+ */
+NONSHARABLE_CLASS( CAknStylusPopUpMenuPhysicsHandler ) : public CBase,
+    public MAknPhysicsObserver
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     */
+    static CAknStylusPopUpMenuPhysicsHandler* NewL( CAknStylusPopUpMenuContent* aPopUpMenuContent );
+
+    /**
+     * Two-phased constructor.
+     */
+    static CAknStylusPopUpMenuPhysicsHandler* NewLC( CAknStylusPopUpMenuContent* aPopUpMenuContent );
+    /**
+     * Destructor.
+     */
+    virtual ~CAknStylusPopUpMenuPhysicsHandler();
+    
+public:
+
+    /**
+     * Handles the pointer event received by AknStylusPopUpMenuContent
+     *
+     * @param aPointerEvent Pointer event to handle.
+     */
+    void HandlePointerEventL( const TPointerEvent& aPointerEvent );                      
+    
+    /**
+     * Sets view rect.
+     *
+     * @param aRect New view rect.
+     */
+    void SetViewRect( const TRect& aRect );
+
+    /**
+     * Sets item height.
+     *
+     * @param aItemHeight New item height.
+     */
+    void SetItemHeight( TInt aItemHeight );
+    
+    /**
+     * Sets world height.
+     *
+     * @param aWorldHeight New world height.
+     */
+    void SetWorldHeight( TInt aWorldHeight );
+
+    /**
+     * Returns offset. Used to draw partial items.
+     */
+    TInt Offset() const;
+    
+    /**
+     * Initializes physics.
+     */
+    void InitPhysicsL();
+    
+    /**
+     * Scrolls the view to new position.
+     *
+     * @param aNewScrollIndex New view position.
+     */
+    void HandleScrollEvent( TInt aNewScrollIndex );
+
+    /**
+     * Resets physics so that location is set to world's top position.
+     * 
+     * @since S60 5.2
+     */
+    void Reset();
+    
+public: // From base class MAknPhysicsObserver.
+
+    /**
+     * Called when view position changes.
+     *
+     * @param  aNewPosition  The new position of the view.
+     * @param  aDrawNow      @c ETrue if the screen is to be redrawn,
+     *                       otherwise @c EFalse.
+     * @param  aFlags        Additional flags, not used currently.
+     */
+    virtual void ViewPositionChanged( const TPoint& aNewPosition,
+                                      TBool aDrawNow = ETrue,
+                                      TUint aFlags = 0 );
+    
+    /**
+     * Called when emulation has ended.
+     */
+    virtual void PhysicEmulationEnded();
+
+    /**
+     * Returns the observer's view position.
+     *
+     * @return Physics observer's view position.
+     */
+    virtual TPoint ViewPosition() const;
+
+private:
+
+    /**
+     * C++ constructor.
+     */
+    CAknStylusPopUpMenuPhysicsHandler( CAknStylusPopUpMenuContent* aPopUpMenuContent );
+
+    /**
+     * Symbian second-phase constructor.
+     */
+    void ConstructL();
+    
+    /**
+     * Returns drag threshold.
+     *
+     * @return drag threshold.
+     */
+    TInt DragThreshold();
+    
+    /**
+     * Sets highlight to item.
+     * 
+     * @param aItem Item to be highlighted.
+     */
+    void SetHighlight( TInt aItem );
+
+    /**
+     * Moves view to correct position.
+     * 
+     * @param  aDrawNow  Whether or not the view is drawn. If @c EFalse,
+     *                   then only the logical state is updated.
+     */
+    void ScrollView( TBool aDrawNow = ETrue );
+    
+    /**
+     * Stops physics.
+     */
+    void StopPhysics();
+
+
+private: // data
+
+    /**
+     * PopUpMenuContent
+     * Not own.
+     */
+    CAknStylusPopUpMenuContent* iPopUpMenuContent;
+
+    /**
+     * Scroll index.
+     */
+    TInt iScrollIndex;
+    
+    /**
+     * Height of one item.
+     */
+    TInt iItemHeight;
+    
+    /**
+     * Height of world.
+     */
+    TInt iWorldHeight;
+
+    /**
+     * Current pointer position.
+     */   
+    TPoint iPosition;
+    
+    /**
+     * Start (pointer down) position.
+     */
+    TPoint iStartPosition;
+    
+    /**
+     * View rect.
+     */
+    TRect iViewRect;
+    
+    /**
+     *  ETrue if pointer down event received but pointer up not.
+     */
+    TBool iPressedDown;
+    
+    /**
+     * ETrue if panning functionality is activated.
+     */
+    TBool iPanningActivated;
+    
+    /**
+     * Pointer down start time.
+     */
+    TTime iStartTime;
+    
+    
+    /**
+     * Physics. 
+     * Own.
+     */
+    CAknPhysics *iPhysics;
+    
+    
+    /**
+     * Physics handler flags.
+     */
+    TBitFlags iFlags;
+    
+    /**
+     * Previous offset.
+     */
+    TInt iPrevOffset;
+    
+    /**
+     * Previous topmost item
+     */
+    TInt iPrevTopmostItem;
+    
+    /**
+     * count of offset item
+     */
+    TInt iOffsetItemCount;
+    
+    };
+
+
+#endif // C_AKNSTYLUSPOPUPMENUPHYSICSHANDLER_H