/*

* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Handler for loading file scheme.

*

*/

// INCLUDE FILES

#include <e32std.h>

#include <e32base.h>

#include "nwx_http_defs.h"

#include "urlloader_loaderutils.h"

#include "fileloader_cfilehandler.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CKFileLoader::CKFileLoader

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

// might leave.

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

//

CKFileLoader::CKFileLoader()

{

}

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

// CKFileLoader::NewL

// Two-phased constructor.

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

//

CKFileLoader* CKFileLoader::NewL()

{

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

    return self;

}

// Destructor

CKFileLoader::~CKFileLoader()

{

}

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

// CKFileLoader::HandleLoadRequestL

// Handles requests for file scheme loading.

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

//

TBool CKFileLoader::HandleLoadRequestL(const TUint16          *aUrl,

                                      void                   *aHeader,

                                      TPtr8&                 aData,

                                      TUint8				  aMethod,

                                      TUint16                aTransId,

                                      void                   *aLoadContext,

                                      NW_Url_RespCallback_t* aPartialLoadCallback,

                                      NW_Cache_Mode_t,

                                      TUint,

                                      TUint8                  aLoadType,

                                      TBool,

                                      TBool,

                                      NW_Uint8 ,

                                      void* )

{

    __ASSERT_DEBUG(aUrl != NULL, LoaderUtils::PanicLoader());

    __ASSERT_DEBUG(aPartialLoadCallback != NULL, LoaderUtils::PanicLoader());

    // Check if the URL scheme is file://

    _LIT(KFileScheme, "file://");

    TPtrC urlPtr(aUrl);

    if (urlPtr.FindF(KFileScheme) != 0)

        {

        return EFalse;

        }

	// Handle the GET method

	if (aMethod == NW_URL_METHOD_GET)

	{

		__ASSERT_DEBUG(aData.Length() == 0 && aData.Ptr() == NULL,

					   LoaderUtils::PanicLoader());

                //lint -e{774} always eval to false

		if (aUrl == NULL || aPartialLoadCallback == NULL || aHeader != NULL ||

			aData.Length() != 0 || aData.Ptr() != NULL)

		{

			User::Leave(KErrArgument);

		}

        // The browser expects the response to return asynchronously.

        // So we have to use the asynchronous API of RFile

        CFileHandler::LoadFileL(aUrl, aTransId, aLoadType, aLoadContext, aPartialLoadCallback, this);

	}

    else if (aMethod == NW_URL_METHOD_HEAD)

    {

        CFileHandler::GetFileInfoL(aUrl, aTransId, aLoadType, aLoadContext, aPartialLoadCallback, this);

	}

	else

	{

		// We only handle GET or HEAD

		User::Leave(KErrArgument);

	}

    return ETrue;

}

// ========================== OTHER EXPORTED FUNCTIONS =========================

//  End of File