/*

* Copyright (c) 2002-2006 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:   Active object that is used for waiting the asyncronous

*                request to complete, such as attachment insertion and 

*                launching editor operations.

*

*/

// INCLUDE FILES

#include <mtclbase.h>

#include <akninputblock.h>

#include "SendUiOperationWait.h"

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

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

// CSendUiOperationWait::CSendUiOperationWait

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CSendUiOperationWait::CSendUiOperationWait( TInt aPriority )

    : CActive( aPriority )

    {

    CActiveScheduler::Add( this );

    }

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

// CSendUiOperationWait::NewLC

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

//

EXPORT_C CSendUiOperationWait* CSendUiOperationWait::NewLC( TInt aPriority )

    {

    CSendUiOperationWait* self =

        new ( ELeave ) CSendUiOperationWait( aPriority );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( );

    return self;

    }

// Destructor

CSendUiOperationWait::~CSendUiOperationWait()

    {

    Cancel();

    if ( iInputBlock )

        {

        delete iInputBlock;

        }

    }

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

// CSendUiOperationWait::Start

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

//

EXPORT_C TBool CSendUiOperationWait::Start()

    {

    iSuccess = ETrue;

    SetActive();

    // Start the scheduler loop.

    iWait.Start();

    return iSuccess;

    }

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

// CSendUiOperationWait::Start

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

//

EXPORT_C TBool CSendUiOperationWait::Start(CActive* aOperation)

    {

    iBaseMtmOperation = NULL;

    iOperation = aOperation;

    return Start();

    }

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

// CSendUiOperationWait::Start

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

//

EXPORT_C TBool CSendUiOperationWait::Start(CBaseMtm* aBaseMtmOperation)

    {

    iOperation = NULL;

    iBaseMtmOperation = aBaseMtmOperation;

    return Start();

    }

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

// CSendUiOperationWait::RunL

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

//

void CSendUiOperationWait::RunL()

    {

    if ( iWait.IsStarted() )

        {

        // Stops the scheduler loop, when all nested scheduler loops have stopped.

        iWait.AsyncStop();

        }

    iOperation = NULL;

    }

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

// CSendUiOperationWait::DoCancel

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

//

void CSendUiOperationWait::DoCancel()

    {

    iSuccess = EFalse;    

    if ( iOperation )

        {

        iOperation->Cancel();

        iOperation = NULL;

        }

    else if(iBaseMtmOperation)

        {

        iBaseMtmOperation->CancelAttachmentOperation();

        iBaseMtmOperation = NULL;

        }

    if ( iWait.IsStarted() )

        {

        // Stops the scheduler loop, when all nested scheduler loops have stopped.

        iWait.AsyncStop();

        }

    iInputBlock->SetCancelActive( NULL ); // inputblock cancel was this DoCancel function. Deletion causes call to Cancel.

	delete iInputBlock;

	iInputBlock = NULL;

    }

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

// CSendUiOperationWait::ConstructL

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

//

void CSendUiOperationWait::ConstructL()

	{

    this->iInputBlock = CAknInputBlock::NewCancelActiveLC( this );  // notify "this" on cancel

	}

// End of file