/*

* Copyright (c) 2009 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:  MPM class used for agent dialog initiation

*

*/

/**

@file mpmdialogbase.h

Mobility Policy Manager agent dialog initiation class.

*/

#ifndef MPMDIALOGBASE_H

#define MPMDIALOGBASE_H

//  INCLUDES

#include <e32base.h>

#include <agentdialog.h>

#include "mpmlogger.h"

// CLASS DECLARATION

/**

*  MPM dialog initiation class definition.

*

*  @lib MPMServer.exe

*/

class CMPMDialogBase : public CActive

    {

protected: // Constructors and destructor

    /**

     * C++ default constructor.

     * @param aQueue Dialog queue.

     */

    CMPMDialogBase( CArrayPtrFlat<CMPMDialogBase>& aQueue );

    /**

     * 2phase constructor

     */

    virtual void ConstructL();

    /**

     * C++ destructor.

     */

    virtual ~CMPMDialogBase();

protected: // Functions from base classes

    /**

     * From CActive. Cancels UI dialog.

     * @since 3.0

     */        

    virtual void DoCancel() = 0;

    /**

     * From CActive. Run when UI dialog finished.

     * @since 3.0

     */               

    virtual void RunL() = 0;

    /**

     * From CActive. Run if RunL leaves.

     * @since 3.0

     * @param aError Error that caused leave.

     * @return KErrNone

     */

    virtual TInt RunError( TInt aError ) { return CActive::RunError( aError ); }

    /**

     * Called automatically from the Base class implementation.

     * Creates the dialog and request.

     */

    virtual void Start( CMPMDialogBase* aDlg = NULL ) = 0;

    /**

     * @return ETrue if the instance of dialog is first in the queue.

     */

    TBool IsFirst();

private: // member variables

    CArrayPtrFlat<CMPMDialogBase>& iQueue;

    };

#endif //MPMDIALOGBASE_H