/*

* 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 Sender Class

*

*/

#ifndef UIEVENTSENDER_H_

#define UIEVENTSENDER_H_

#include <e32base.h>

#include <coemain.h>

#include <rt_uievent.h>

namespace stmUiEventEngine

{

class CUiEvent;

/**

 * CUiEventSender class for handling the sending of events to the UI event listener

 */

NONSHARABLE_CLASS(CUiEventSender): public CBase

    {

public:

    enum TEventSenderState

        {

        ENoEvents,

        EEventsReady,

        EBusy

        };

    static CUiEventSender* NewL( );

    ~CUiEventSender();

    TInt AddEvent(CUiEvent* aGestureEvent);

    bool addObserver(MUiEventObserver* aObserver );

    bool removeObserver(MUiEventObserver* aObserver );

    void setLogging(bool a) {m_loggingenabled = a;} ;

private:

    CUiEventSender();

    void EmitEventL( const CUiEvent& aGestureEvent );

    /*!

     * Should we be prepared for more than 5 pointers ?  Jos tulee Torvisen voittaja

     */

    CUiEvent* iEvents[stmUiEventEngine::KMaxNumberOfPointers];

    void compressStack(CUiEvent* aUiEvent) ;

    /*

     * Let's be prepared for more than one observer,

     * although usually there is only the gesture engine

     */

    RPointerArray<MUiEventObserver> iObserver;

    bool m_loggingenabled ;

    };

}

#endif /* UIEVENTSENDER_H_ */