/*

 * ============================================================================

 *  Name        : hgteleportphysicsengine.h

 *  Part of     : Hg Teleport

 *  Description : Teleport physic engine

 *  Version     : %version:  3 %

 *

 *  Copyright © 2009 Nokia.  All rights reserved.

 *  This material, including documentation and any related computer

 *  programs, is protected by copyright controlled by Nokia.  All

 *  rights are reserved.  Copying, including reproducing, storing,

 *  adapting or translating, any or all of this material requires the

 *  prior written consent of Nokia.  This material also contains

 *  confidential information which may not be disclosed to others

 *  without the prior written consent of Nokia.

 * ============================================================================

 *

 */

#ifndef HGTELEPORTPHYSICSENGINE_H_

#define HGTELEPORTPHYSICSENGINE_H_

#include <e32base.h>

#include <akntouchgesturefw.h>

// CLASS DECLARATION

class CAknPhysics;

class CHgTeleportPhysics;

/**

 * Teleport physic engine implementation

 */

class CHgTeleportPhysicsEngine: public CBase

    {

public:

    // Constructors and destructor

    /**

     * Destructor.

     */

    ~CHgTeleportPhysicsEngine();

    /**

     * Two-phased constructor.

     */

    static CHgTeleportPhysicsEngine* NewL(MAknPhysicsObserver& aPhysicObserver,

            CCoeControl& aViewControl);

    /**

     * Two-phased constructor.

     */

    static CHgTeleportPhysicsEngine* NewLC(MAknPhysicsObserver& aPhysicObserver,

            CCoeControl& aViewControl);

private:

    /**

     * Constructor for performing 1st stage construction

     */

    CHgTeleportPhysicsEngine();

    /**

     * EPOC default constructor for performing 2nd stage construction

     */

    void ConstructL(MAknPhysicsObserver& aPhysicObserver,

            CCoeControl& aViewControl);

public:

    /**

     * Implements drag gesture handling

     * @param aEvent - drag event

     */

    void HandleDragEvent(AknTouchGestureFw::MAknTouchGestureFwDragEvent& aEvent);

    /**

     */

    TBool IsRunning() const;

    /**

     */

    void Stop();

    /**

     * Initialize animation between current position and destination point

     * @param aPoint - destination point 

     */

    void AnimateToTarget(const TPoint& aPoint);

    /**

     * 

     * @param aWorldSize Physics world size.

     * @param aViewSize Physics (visible) view size.

     * @param aLandscape ETrue if physics should work in landscape.     

     **/

    void ReInitPhysicsL(const TSize& aWorldSize, 

                        const TSize& aViewSize,

                        TBool aLandscape);

private:

    /**

     * Physics. 

     * Own.

     */

    CAknPhysics* iPhysics;

    /**

     * Drag start time

     */

    TTime iStartTime;

    /**

     * Teleport physics for item switch animation

     */

    CHgTeleportPhysics* iTeleportPhysics;

    };

#endif /* HGTELEPORTPHYSICSENGINE_H_*/