/*

* Copyright (c) 2007 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:  Class to monitor when volumes are unmounted

 *

*/

#include "thumbnaildiskunmountobserver.h"

#include "thumbnaillog.h"

#include "thumbnailserver.h"

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

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

// CThumbnailTaskProcessor::NewL()

// Two-phased constructor.

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

//

CThumbnailDiskUnmountObserver* CThumbnailDiskUnmountObserver::NewL( RFs& aFs,

    TInt aDrive, CThumbnailServer* aServer )

    {

    CThumbnailDiskUnmountObserver* self = new( ELeave )

        CThumbnailDiskUnmountObserver( aFs, aDrive, aServer );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CThumbnailTaskProcessor::CThumbnailTaskProcessor()

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

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

//

CThumbnailDiskUnmountObserver::CThumbnailDiskUnmountObserver( RFs& aFs,

    TInt aDrive, CThumbnailServer* aServer )

    : CActive( CActive::EPriorityStandard ), iFs( aFs ), iDrive( aDrive), iServer( aServer )

    {

    TN_DEBUG1( "CThumbnailDiskUnmountObserver::CThumbnailDiskUnmountObserver()"

        );

    CActiveScheduler::Add( this );

    StartNotify();

    }

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

// CThumbnailTaskProcessor::ConstructL()

// Symbian 2nd phase constructor can leave.

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

//

void CThumbnailDiskUnmountObserver::ConstructL()

    {

    // No implementation required

    }

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

// CThumbnailTaskProcessor::~CThumbnailTaskProcessor()

// Destructor.

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

//

CThumbnailDiskUnmountObserver::~CThumbnailDiskUnmountObserver()

    {

    TN_DEBUG1( 

        "CThumbnailDiskUnmountObserver::~CThumbnailDiskUnmountObserver()" );

    Cancel();

    }

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

// CThumbnailTaskProcessor::RunL()

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

//

void CThumbnailDiskUnmountObserver::RunL()

    {

    TN_DEBUG2( "CThumbnailDiskUnmountObserver::RunL() iStatus = %d",

        iStatus.Int());

    if( !iStatus.Int() )

        {       

        // close store before allowing unmount

        // trap because nothing could be done in RunError anyway

        TRAP_IGNORE( iServer->CloseStoreForDriveL( iDrive ) );

        iFs.AllowDismount( iDrive );

        }

    if ( iStatus.Int() != KErrNotReady)

        {

        StartNotify();

        }

    }

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

// CThumbnailDiskUnmountObserver::DoCancel()

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

//

void CThumbnailDiskUnmountObserver::DoCancel()

    {

    iFs.NotifyDismountCancel( iStatus );

    }

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

// CThumbnailDiskUnmountObserver::StartNotify()

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

//

void CThumbnailDiskUnmountObserver::StartNotify()

    {

    TN_DEBUG1( "CThumbnailDiskUnmountObserver::StartNotify()" );

    if(!IsActive())

        { 

        iFs.NotifyDismount( iDrive, iStatus, EFsDismountRegisterClient );

        SetActive();

        }

    }

// End of file