/*

* Copyright (c) 2006 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:    Common interface for scheduler plugins.*

*/

#ifndef CCSESCHEDULERPLUGINIF_H

#define CCSESCHEDULERPLUGINIF_H

#include <e32std.h>

#include <e32base.h>

class CCseScheduledProgram;

class MCsePluginObserver;

class CCseSchedulerPluginIF : public CBase

    {

public:

    /**

    * Construction method.

    * @param    aUid    Ecom implementation uid of the used plugin.

    * @return   None

    */

    static CCseSchedulerPluginIF* NewL( const TUid& aUid );

    /**

    * Runs given task in plugin.

    * @param    aProg       Schedule to be run in plugin.

    * @param    aObserver   Pointer back to scheduling engine. Called

    *                       when schedule is completed or error occurs.

    * @return   None

    */	

	virtual void RunTaskL( CCseScheduledProgram& aProg,

						   MCsePluginObserver* aObserver ) = 0;	

    /**

    * Return the ECom implementation uid of this plugin.

    * @return ECom implementation uid.

    */

    TUid ImplementationUid() const;

    /**

    * Destructor

    */    

    virtual ~CCseSchedulerPluginIF();

protected:    

    /**

    * Instance identifier key. When instance of an

    * implementation is created by ECOM framework, the

    * framework will assign UID for it. The UID is used in

    * destructor to notify framework that this instance is

    * being destroyed and resources can be released.

    */    

    TUid iDtorIDKey;

    /**

    * Ecom implementation uid

    */

    TUid iImplementationUid;

    };

#include <ecom/ecom.h>

#include <ipvideo/CCseSchedulerPluginIF.inl>

#endif //CCSESCHEDULERPLUGINIF_H