/*

* 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:  Gesture helper implementation

*

*/

#include "GenericSimpleGesture.h"

#include "unknowngesturerecogniser.h"

#include "rt_uievent.h"

#include "filelogger.h"

using namespace stmGesture ;

CUnknownGestureRecogniser::CUnknownGestureRecogniser(MGestureListener* aListener) :

    CGestureRecogniser(aListener)

{

}

CUnknownGestureRecogniser* CUnknownGestureRecogniser::NewL(MGestureListener* aListener)

{

    CUnknownGestureRecogniser* self = new (ELeave) CUnknownGestureRecogniser(aListener) ;

    return self;

}

CUnknownGestureRecogniser::~CUnknownGestureRecogniser()

{

}

/*!

 * recognise the long press; basically it is just the EHold UI event

 */

TGestureRecognitionState CUnknownGestureRecogniser::recognise(int numOfActiveStreams,

        MGestureEngineIf* pge)

{

    TGestureRecognitionState state = ENotMyGesture;

    // Check if we are enabled or not

    if (!m_gestureEnabled) return state ;

    // Look at the events to see if it looks like long press with one pointer

    if (numOfActiveStreams == 1)

    {

        // Then look at the event stream, it has to be EHold

        const stmUiEventEngine::MUiEvent* puie = pge->getUiEvents(0);

        int countOfEvents = puie->countOfEvents();

        stmUiEventEngine::TUiEventCode eventCode = puie->Code();

        if (m_loggingenabled)

        {

            LOGARG("CUnknownGestureRecogniser: %d num %d code %d", eventCode, countOfEvents, eventCode);

        }

        if (puie->Target() == m_powner && eventCode == stmUiEventEngine::ERelease) // The last one is ERelease

        {

            const TPoint& currentXY = puie->CurrentXY() ;

            if (m_loggingenabled)

            {

                LOGARG("CUnknownGestureRecogniser: (%d, %d) ", currentXY.iX, currentXY.iY) ;

            }

            state = EGestureActive ;

            // issue the gesture

            stmGesture::TGenericSimpleGesture pgest(KUid, currentXY, 0, puie) ;

            // Call the listener to inform that a gesture has occurred...

            m_listener->gestureEnter(pgest) ;

        }

    }

    return state;

}

void CUnknownGestureRecogniser::release(MGestureEngineIf* /*ge*/)

{

    if (m_loggingenabled)

    {

        LOGARG("CUnknownGestureRecogniser: 0x%x release", this);

    }

}