/*

 * Copyright (c) 2008-2009 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:    CGlxImageViewerManager implementation

 *

 */

#include "glximageviewermanager.h"

#include <glxtracer.h>

#include <f32file.h>

CGlxImageViewerManager* singleInstance = NULL; /// The singleton instance

EXPORT_C CGlxImageViewerManager* CGlxImageViewerManager::InstanceL()

    {

    TRACER("CGlxImageViewerManager::InstanceL()");

    if ( NULL != singleInstance )

        {

        singleInstance->IncrementRefCount();

        }

    else

        {

        singleInstance = CGlxImageViewerManager::NewLC();

        CleanupStack::Pop( singleInstance );

        }

    return singleInstance;

    }

EXPORT_C void CGlxImageViewerManager::DeleteInstance()

    {

    TRACER("CGlxImageViewerManager::DeleteInstance()");

    iRefCount--;

    if (0 == iRefCount)

        {

        delete this;

        }

    }

CGlxImageViewerManager::CGlxImageViewerManager()

    : iRefCount(0), iImageUri(NULL), iFile(NULL), iIsPrivate(EFalse)

    {

    TRACER("CGlxImageViewerManager::CGlxImageViewerManager()");

    // No implementation required

    }

CGlxImageViewerManager::~CGlxImageViewerManager()

    {

    TRACER("CGlxImageViewerManager::~CGlxImageViewerManager()");

    delete iImageUri;

    if( iFile )

        {

        iFile->Close();

        }

    }

CGlxImageViewerManager* CGlxImageViewerManager::NewLC()

    {

    TRACER("CGlxImageViewerManager::NewLC()");

    CGlxImageViewerManager* self = new (ELeave) CGlxImageViewerManager();

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

CGlxImageViewerManager* CGlxImageViewerManager::NewL()

    {

    TRACER("CGlxImageViewerManager::NewLC()");

    CGlxImageViewerManager* self = CGlxImageViewerManager::NewLC();

    CleanupStack::Pop(); // self;

    return self;

    }

void CGlxImageViewerManager::ConstructL()

    {

    TRACER("CGlxImageViewerManager::ConstructL()");

    IncrementRefCount();

    }

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

// SetImageUri

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

//

EXPORT_C void CGlxImageViewerManager::SetImageUriL(const TDesC& aFileName)

    {

    TRACER("void CGlxImageViewerManager::SetImageUriL()");    

    if ( iImageUri )

        {

        delete iImageUri;

        iImageUri = NULL;

        }

    iImageUri = aFileName.AllocL();    

    }

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

// Reset

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

//

EXPORT_C void CGlxImageViewerManager::Reset()

    {

    TRACER("void CGlxImageViewerManager::Reset()");

    if( iFile )

        {

        iFile->Close();

        }

    delete iFile;

    if ( iImageUri )

        {

        delete iImageUri;

        iImageUri = NULL;

        }

    iIsPrivate = EFalse;

    }

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

// SetImageFileHandleL

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

//

EXPORT_C void CGlxImageViewerManager::SetImageFileHandleL(const RFile& aFileHandle)

    {

    TRACER("void CGlxImageViewerManager::SetImageFileHandleL()");

    _LIT( KPrivateFolder, "\\Private\\" );    // Platsec private folder  

    TFileName filePath;

    User::LeaveIfError( aFileHandle.FullName( filePath ) );

    SetImageUriL( filePath );

    TParsePtrC parse( filePath );

    if( parse.PathPresent() &&

        parse.Path().Length() > KPrivateFolder().Length() &&

        parse.Path().Left( KPrivateFolder().Length() ).CompareF( KPrivateFolder ) == 0 )

        {

        // File is in private folder; duplicate file handle

        iFile = new (ELeave) RFile64;

        User::LeaveIfError( iFile->Duplicate( aFileHandle ) );

        iIsPrivate = ETrue;

        }

    }