/*

* 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 "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:  Item activator

*

*/

#ifndef _XNITEMACTIVATOR_H

#define _XNITEMACTIVATOR_H

// System includes

#include <e32base.h>

// User includes

// Forward declarations

class CXnAppUiAdapter;

class CXnNode;

/**

 * Item activator

 * 

 * @ingroup group_xnlayoutengine

 * @lib xn3layoutengine.lib

 * @since S60 5.2

 */

NONSHARABLE_CLASS( CXnItemActivator ) : public CTimer

    {

public:    

    // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CXnItemActivator* NewL( CXnAppUiAdapter& aAppUiAdapter );        

    /**

     * Two-phased constructor. Leaving on stack

     */

    static CXnItemActivator* NewLC( CXnAppUiAdapter& aAppUiAdapter );         

    /**

     * Destructor

     */

    ~CXnItemActivator();

private:

    // private constructors

    /**

     * Leaving constructor

     */

    void ConstructL();

    /**

     * C++ default constructor

     */

    CXnItemActivator( CXnAppUiAdapter& aAppUiAdapter );         

private:

    // from CTimer

    /**

     * @see CTimer

     */

    void RunL();

    /**

     * @see CTimer

     */    

    TInt RunError( TInt aError );

    /**

     * @see CTimer

     */    

    void DoCancel();

public: 

    // new functions

    /**

     * Schedules item activation. 

     * Outstanding activation is cancelled.

     * 

     * @since S60 5.2

     * @param aItemToActivate Item to activate

     */

    void ActivateL( CXnNode* aItemToActivate );

private:

    // data

    /** AppUiAdapter, not owned */

    CXnAppUiAdapter& iAppUiAdapter;

    /** Activate trigger, owned */

    CXnNode* iTrigger;

    /** Item to activate, not owned */

    CXnNode* iItemToActivate;

    };

#endif // _XNITEMACTIVATOR_H

// End of file