/*

* 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:  Responsible for capturing pointer events

*

*/

#ifndef _POINTERCAPTURER_H_

#define _POINTERCAPTURER_H_

// INCLUDES

#include <e32std.h>

#include <e32base.h>

class CAlfControl;

class CAlfControlGroup;

class CAlfEnv;

class CAlfDisplay;

// CLASS DECLARATION

namespace RT_GestureHelper 

{

class CGestureHelperImpl;

class CPointerCaptureControl;

/**

 * CPointerCaptureControl

 * Gesture control own a gesture helper, and captures any pointer events that 

 * no other control captures. After it captures pointer down event, it will 

 * capture all pointer events until pointer up. It does this by bringing its

 * control group to the top upon pointer down, and lowering the control group

 * to the botton upon pointer up.

 */

NONSHARABLE_CLASS( CPointerCapturer ) : public CBase

    {

public: 

    /** Two-phased constructor */

    static CPointerCapturer* NewL();

    /** Destructor */

    ~CPointerCapturer();

    void InitForAlfredL( CGestureHelperImpl& aHelper, CAlfEnv& aEnv, 

        CAlfDisplay& aDisplay, TInt aControlGroupId );

    void StartL();

    void Stop();

private:    

    /// 

    CPointerCaptureControl* iCaptureControl;

    TInt iControlGroupId;

    };

} // namespace GestureHelper

#endif // _POINTERCAPTURER_H_