/*------------------------------------------------------------------

 -

 * Software Name : UserEmulator

 * Version       : v4.2.1309

 * 

 * Copyright (c) 2009 France Telecom. All rights reserved.

 * This software is distributed under the License 

 * "Eclipse Public License - v 1.0" the text of which is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * France Telecom 

 *

 * Contributors:

 *------------------------------------------------------------------

 -

 * File Name: CameraAppTimer.h

 * 

 * Created: 13/08/2009

 * Author(s): Marcell Kiss

 *   

 * Description:

 * Camera app's timer CActive class

 *------------------------------------------------------------------

 -

 *

 */

#ifndef CCAMERAAPPTIMER_H_

#define CCAMERAAPPTIMER_H_

// System Includes

#include <E32BASE.H>

// Class Declarations

/**

 *  Camera observer interface

 */

class MCameraAppObserver

	{

	public:

	    /**

        *  Callback function. Called when timer is expired

        */

		virtual void CheckCameraAppL() = 0;

		};

/**

 * Timer active object

 */

class CCameraAppTimer: public CActive

		{

	public:

	    /**

        * Static constructor

        * @param aNotify A reference to the camera app. related timer observer.

        * @return CCameraAppTimer* A pointer to the newly allocated CCameraAppTimer class.

        *                      NULL, if the class cannot be created

        */

		static CCameraAppTimer* NewL(MCameraAppObserver& aNotify);

		/**

        * Destructor

        */

		~CCameraAppTimer();

	public:

	    /**

        * Start timer

        * @param aInterval  Microsecs after timer supposed to be expired

        */

		void After(TTimeIntervalMicroSeconds32 aInterval);

	protected:

	    /**

        * RunL from CActive class

        */

		void RunL();

		/**

        * DoCancel from CActive class

        */

		void DoCancel();

	private:

	    /**

        * Constructor

        * @param aNotify  A reference to the camera app. related timer observer.

        */

		CCameraAppTimer(MCameraAppObserver& aNotify);

		/**

        * Second phase constructor

        */

		void ConstructL();

	private:

	    /**

        * RTimer object member

        */

		RTimer					iTimer;

		/**

        * Reference to camera app. related timer observer

        */

		MCameraAppObserver&		iNotify;

		};

#endif /* CCAMERAAPPTIMER_H_ */