/*

* Copyright (c) 2004-2008 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:  Observes for changes in skin files.

*

*/

#include "aknssrvinstallobserver.h"

#include <bautils.h>

_LIT(KAknsSrvSkinRootPath,"?:\\private\\10207114\\import\\");

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

// CAknsSrvInstallObserver::NewL

//

// (other items were commented in a header).

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

//

CAknsSrvFileObserver* CAknsSrvFileObserver::NewL(MAknsSrvFileObserver* aObserver)

    {

    CAknsSrvFileObserver* self = new (ELeave) CAknsSrvFileObserver(aObserver);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

CAknsSrvFileObserver* CAknsSrvFileObserver::NewL(MAknsSrvFileObserver* aObserver, const TDesC& aFilename)

    {

    CAknsSrvFileObserver* self = new (ELeave) CAknsSrvFileObserver(aObserver);

    CleanupStack::PushL(self);

    self->ConstructL();

    self->iFilename = aFilename.AllocL();

    CleanupStack::Pop( self );

    return self;

    }

CAknsSrvFileObserver* CAknsSrvFileObserver::NewL(

    MAknsSrvFileObserver* aObserver, TAknsSrvFileSrvObserverType aObserverType,

    const TDesC& aFilename  )

    {

    CAknsSrvFileObserver* self =

        new (ELeave) CAknsSrvFileObserver( aObserver );

    CleanupStack::PushL(self);

    self->ConstructL();

    self->iFilename = aFilename.AllocL();

    self->iType = aObserverType;

    CleanupStack::Pop( self );

    return self;

    }

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

// CAknsSrvInstallObserver::ConstructL

//

// (other items were commented in a header).

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

//

void CAknsSrvFileObserver::ConstructL()

    {

    User::LeaveIfError(iFsSession.Connect());

    CActiveScheduler::Add(this);

    }

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

// CAknsSrvSkinInstallObserver::C++ Constructor

//

// (other items were commented in a header).

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

//

CAknsSrvFileObserver::CAknsSrvFileObserver(MAknsSrvFileObserver* aObserver ) :

    CActive(CActive::EPriorityIdle)

    {

    iObserver = aObserver;

    iType = EAknsSrvNotDefined;

    }

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

// CAknsSrvSkinInstallObserver::C++ Desctructor

//

// (other items were commented in a header).

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

//

CAknsSrvFileObserver::~CAknsSrvFileObserver()

    {

    Cancel();

    iFsSession.NotifyChangeCancel();

    iFsSession.Close();

    delete iFilename;

    iFilename = NULL;

    iObserver = NULL;

    }

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

// CAknsSrvSkinInstallObserver::IssueRequest

//

// (other items were commented in a header).

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

//

void CAknsSrvFileObserver::IssueRequest()

    {

    if ( !IsActive() && iObserver )

        {

        if ( iFilename )

            {

            if ( iType == EAknsSrvFileObsSlidesetWallpaper )

                {

                iFsSession.NotifyChange( ENotifyWrite, iStatus, *iFilename );

                }

            else

                {

                iFsSession.NotifyChange(ENotifyFile, iStatus, *iFilename);

                }

            }

        else

            {

            iFsSession.NotifyChange( ENotifyDir, iStatus, KAknsSrvSkinRootPath );

            }

        SetActive();

        }

    }

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

// CAknsSrvInstallObserver::RunL

//

// (other items were commented in a header).

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

//

void CAknsSrvFileObserver::RunL()

    {

    iFsSession.NotifyChangeCancel();

    // Nobody is listening, so better stop.

    if ( !iObserver )

        {

        return;

        }

    if (iFilename)

        {

        if (BaflUtils::FileExists(iFsSession, *iFilename))

            {

            if ( iType == EAknsSrvFileObsSlidesetWallpaper )

                {

                // Slideset file has changed.

                iObserver->SlideSetModifiedL();

                }

            IssueRequest();

            return;

            }

        else // the file has been deleted / renamed

            {

            }

        }

    else

        {

        // Since system immediately notifies of changes, let's wait awhile so that all operations on

        // directory have finished.

        User::After( 1000000 );

        iObserver->NewSkinPackagesInstalled();

        IssueRequest();

        }

    }

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

// CAknsSrvInstallObserver::DoCancel

//

// (other items were commented in a header).

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

//

void CAknsSrvFileObserver::DoCancel()

    {

    iFsSession.NotifyChangeCancel();

    }

// End of File