/*

* Copyright (c) 2008 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:   UI Event

*

*/

#ifndef UIEVENT_H_

#define UIEVENT_H_

#include "rt_uievent.h"

namespace stmUiEventEngine

{

NONSHARABLE_CLASS( CUiEvent ): public MUiEvent

{

public:

    virtual const TPoint& StartPos() const ;

    virtual const TPoint& CurrentXY() const ; // current yx-coordinate

    virtual const TPoint& PreviousXY() const ;    // Past yx coordinate

    virtual TTimeIntervalMicroSeconds StateTransition() const ;    // Time taken for state transition

    virtual bool TimerExpired() const;   // if timer expired

    virtual TUiEventCode Code()const ;

    virtual void* Target() const ;

    virtual int Index() const ;

    MUiEvent* previousEvent() const ;

    virtual int countOfEvents() const  ;

    virtual TInt64 timestamp() const ;

    virtual float speedX() const __SOFTFP; // pixels / millisecond

    virtual float speedY() const __SOFTFP; // pixels / millisecond

    static CUiEvent* NewL(TUiEventCode aCode, const TPoint& aStart, const TPoint& aXY,

        const TPoint& aPreviousXY, bool aTimerExpired, void* aTarget,

        TTimeIntervalMicroSeconds aInterval, int aIndex, TInt64 aTimestamp) ;

    ~CUiEvent() ;

    /*!

     * Chain the UI events ; the whole chain is deleted after release has been handled

     * in UI sender

     */

    virtual void setPrevious(CUiEvent* aEvent) ;

private:

    CUiEvent(

        TUiEventCode aCode,

        const TPoint& aStart, const TPoint& aXY, const TPoint& aPreviousXY,

        bool aTimerExpired, void* aTarget, TTimeIntervalMicroSeconds aInterval,

        int aIndex, TInt64 aTimestamp) ;

    TUiEventCode m_code ;

    TPoint m_start ;

    TPoint m_XY ;

    TPoint m_previousXY ;

    TTimeIntervalMicroSeconds m_statetransition ;

    void* m_target ;

    bool m_timerExpired ;

    int  m_index ;

    CUiEvent* m_previousEvent ;

    TInt64 m_timestamp ;

};

}

#endif /* UIEVENT_H_ */