/*

* 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 user dialog handling

*

*/

/**

@file mpmdialogbase.cpp

Mobility Policy Manager user dialog initiation.

*/

// INCLUDE FILES

#include "mpmdialogbase.h"

// ============================= LOCAL FUNCTIONS ===============================

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CMPMDialogBase::CMPMDialogBase

// -----------------------------------------------------------------------------

//

CMPMDialogBase::CMPMDialogBase( CArrayPtrFlat<CMPMDialogBase>& aQueue )

    :   CActive( CActive::EPriorityStandard ),

        iQueue( aQueue )

    {

    CActiveScheduler::Add( this );

    }

// -----------------------------------------------------------------------------

// CMPMDialog::ConstructL

// -----------------------------------------------------------------------------

//

void CMPMDialogBase::ConstructL()

    {

    // Start dialog immediately if the first one and otherwise

    // just append this dialog into the queue

    if ( iQueue.Count() == 0 ) 

        {

        MPMLOGSTRING2( "CMPMDialogBase<0x%x>::ConstructL() Display Dialog immediately", this )

        iQueue.AppendL( this );

        Start();

        }

    else

        {

        MPMLOGSTRING2( "CMPMDialog<0x%x>::ConstructL() Append Dialog to queue", this )

        iQueue.AppendL( this );

        }

    }

// -----------------------------------------------------------------------------

// CMPMDialog::~CMPMDialog

// -----------------------------------------------------------------------------

//

CMPMDialogBase::~CMPMDialogBase()

    {

    // Cancel everything first if we were running.

    //

    if ( iQueue.Count() > 0 && iQueue.At( 0 ) == this )

        {

        Cancel();

        MPMLOGSTRING2( "CMPMDialogBase::~CMPMDialogBase: deleted, Completing with code = %i", 

                       iStatus.Int() )

        // Remove this from the queue

        iQueue.Delete( 0 );

        // And if there are still pending dialogs, start the first one.

        if ( iQueue.Count() > 0 )

            {

            // Give pointer to this dialog in case

            // the starting dialog can utilize the

            // result from this dialog.

            iQueue.At(0)->Start( this );

            }

        }

    // We're not the first one. We can just delete ourselves.

    //

    else 

        {

        for ( TInt i = 0; i < iQueue.Count(); i++ )

            {

            if ( iQueue.At( i ) == this )

                {

                iQueue.Delete( i );

                break;

                }

            }

        }

    }

// -----------------------------------------------------------------------------

// CMPMDialog::IsFirst

// -----------------------------------------------------------------------------

//

TBool CMPMDialogBase::IsFirst()

    {

    if ( iQueue.Count() == 0 )

        {

        return EFalse;

        }

    else

        {

        return iQueue.At( 0 ) == this;

        }

    }

//  End of File