/*

* 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 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:  

*

*/

#ifndef SELFDOWNLOADCONTENTHANDLER_H

#define SELFDOWNLOADCONTENTHANDLER_H

//  INCLUDES

#include <e32base.h>

#include <apparc.h>

#include <http/rhttptransaction.h>

#include <http/MHTTPTransactionCallback.h>

#include <f32file.h>

_LIT8( KSelfDownloadCallback, "SelfDownloadCallback" );

// FORWARD DECLARATIONS

class CDocumentHandler;

class TDataType;

class MBrCtlSpecialLoadObserver;

class WebFrame;

namespace WebCore {

    class ResourceHandle;

    struct ResourceRequest;

    class ResourceResponse;

}

// CLASS DECLARATION

/**

*

*  @lib 

*  @since 3.0

*/

class CTempFile : public CBase

    {

    public:   // Constructors and destructor

        /**

          * Two-phased constructor.

          */

        static CTempFile* NewL(HBufC* aFileName = NULL);

        /**

        * Destructor.

        */

        ~CTempFile( void );

    public:  // New functions

        /**

        *

        * @since 3.0

        * @param

        * @return number of bytes written

        */

        TInt WriteL( const TDesC8& aFileData );

        /**

        *

        * @since 3.0

        * @param

        * @return number of bytes written

        */

        void CloseL( void );

        /**

        *

        * @since 3.0

        * @param

        * @return void

        */

        const TDesC& Name( void ) const;

    private:

        /**

        * C++ default constructor.

        */

        CTempFile( void );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL(HBufC* aFileName);

    public:      // Data

    protected:   // Data

    private:     // Data

        HBufC* iFileName;

        RFs iFsSession;

        RFile iFile;

    };

/**

*

*  @since 5.0

*/

class SelfDownloadContentHandler : public MHTTPTransactionCallback

    {

    public:  // Constructors and destructor        

        /**

        * Two-phased constructor.

        */

        static SelfDownloadContentHandler* NewL(WebFrame* webFrame, TDesC& selfDownloadTypes);

        /**

        * Destructor.

        */

        virtual ~SelfDownloadContentHandler();

    public: // from MHTTPTransactionCallback

        void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent &aEvent);

        TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction, const THTTPEvent &aEvent);

    public: // New functions

        TInt IsSupported(const WebCore::ResourceRequest& request,

            const WebCore::ResourceResponse& response, RHTTPTransaction& httpTransaction);

        TInt HandleResponseHeadersL(const WebCore::ResourceRequest& request,

            const WebCore::ResourceResponse& response, RHTTPTransaction& httpTransaction);

        TInt HandleResponseBodyL(RHTTPTransaction& httpTransaction);

        TInt ResponseCompleteL(RHTTPTransaction httpTransaction, TInt error);

        //This method reinitialize the special loader reference this static class.

        void ReinitializeSpecialLoadObserver(WebFrame* webFrame);

    private:

        /**

        * C++ default constructor.

        */

        SelfDownloadContentHandler(WebFrame* webFrame);

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL(WebFrame* webFrame, TDesC& selfDownloadTypes);

        void HandleError(/* TInt aTransactionId,*/ TInt aError);

        TBool IsSelfDownloadContent(TDesC& contentType);

//        TBool RecognizeContentTypeL(TPtr aContentType);

    private:    // Data

        WebFrame* m_WebFrame;

        //

        // file containing the response content - this should be deleted

        // and a new one created for each response.

        CTempFile*      m_ContentFile;                      // owned

        //

        HBufC*          m_ContentType;                      // owned

        //

        HBufC*          m_Charset;                          // owned

        //

        HBufC*          m_ReqUrl;                           // owned

        //

        MBrCtlSpecialLoadObserver* m_SpecialLoadObserver;   // not owned

        //

        HBufC*          m_SelfDlMimeTypes;                  // owned

    };

#endif      // SELFDOWNLOADCONTENTHANDLER_H

// End of File