/*

* Copyright (c) 2002-2007 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:  This AO is signaled when directory entry is added or removed 

*                from file system

*

*/

// INCLUDE FILES

#include <e32std.h>

#include "Cfilemanagerfilesystemevent.h"

#include "CFileManagerEngine.h"

#include "FileManagerDebug.h"

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

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

// CFileManagerFileSystemEvent::CFileManagerFileSystemEvent

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

// might leave.

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

//

CFileManagerFileSystemEvent::CFileManagerFileSystemEvent(

        RFs& aFs,

        CFileManagerEngine& aEngine,

        TNotifyType aNotifyType ) :

    CActive( CActive::EPriorityLow ),

    iFs( aFs ),

    iEngine( aEngine),

    iNotifyType( aNotifyType )

    {

    }

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

// CFileManagerFileSystemEvent::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CFileManagerFileSystemEvent::ConstructL( const TDesC& aFullPath )

    {

    CActiveScheduler::Add( this );

    if ( aFullPath.Length() )

        {

        iFullPath = aFullPath.AllocL();

        }

    Setup();

    }

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

// CFileManagerFileSystemEvent::NewL

// Two-phased constructor.

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

//

CFileManagerFileSystemEvent* CFileManagerFileSystemEvent::NewL(

        RFs& aFs,

        CFileManagerEngine& aEngine,

        TNotifyType aNotifyType,

        const TDesC& aFullPath )

    {

    CFileManagerFileSystemEvent* self =

        new( ELeave ) CFileManagerFileSystemEvent( 

            aFs,

            aEngine,

            aNotifyType );

    CleanupStack::PushL( self );

    self->ConstructL( aFullPath );

    CleanupStack::Pop( self );

    return self;

    }

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

// CFileManagerFileSystemEvent::~CFileManagerFileSystemEvent

//

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

CFileManagerFileSystemEvent::~CFileManagerFileSystemEvent()

    {

    Cancel();

    delete iFullPath;

    }

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

// CFileManagerFileSystemEvent::RunL

// From CActive. Called when asynchronous request is completed. 

// Notifies the observer

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

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

//

void CFileManagerFileSystemEvent::RunL()

    {

    TInt err( iStatus.Int() );

    LOG_IF_ERROR1( err, "CFileManagerFileSystemEvent::RunL-err=%d", err )

    // Mark as received if there is no error

    if ( err == KErrNone )

        {

        iIsReceived = ETrue;

        }

    // If not ENotifyDisk, do refresh when event is checked

    // using CheckFileSystemEvent

    if ( iNotifyType == ENotifyDisk )

        {

        iEngine.DriveAddedOrChangedL();

        }

    }

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

// CFileManagerFileSystemEvent::RunError

// From CActive. Called when error occurred in asynchronous request

// Notifies the observer

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

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

//

TInt CFileManagerFileSystemEvent::RunError( TInt /*aError*/ )

    {

    return KErrNone;

    }

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

// CFileManagerFileSystemEvent::DoCancel

// From CActive. Called when asynchronous request is canceled

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

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

//

void CFileManagerFileSystemEvent::DoCancel()

    {

    iFs.NotifyChangeCancel( iStatus );

    }

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

// CFileManagerFileSystemEvent::Setup

//

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

//

void CFileManagerFileSystemEvent::Setup()

    {

    if( IsActive() )

        {

        return;

        }

    iIsReceived = EFalse;

    if( iFullPath )

        {

        iFs.NotifyChange( iNotifyType, iStatus, *iFullPath );

        }

    else

        {

        iFs.NotifyChange( iNotifyType, iStatus );

        }

    SetActive();

    }

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

// CFileManagerFileSystemEvent::CheckFileSystemEvent

//

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

//

void CFileManagerFileSystemEvent::CheckFileSystemEvent()

    {

    if( iIsReceived )

        {

        TRAP_IGNORE( iEngine.FolderContentChangedL() );

        }

    }

//  End of File