/*

* Copyright (c) 2006-2007 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:      Header file of CUpnpDlnaProfiler class. CUpnpDlnaProfiler is 

*                a class used for resolving a DLNA profile of a given file.

*

*/

#ifndef C_UPNPDLNAPROFILER_H

#define C_UPNPDLNAPROFILER_H

// system includes

#include <e32base.h>

// user includes

// NONE

// forward declarations

class MUpnpProfiler;

class RFile;

class CDesC16ArrayFlat;

class CUpnpResParameters;

// data types

// NONE

// constants

const TInt KMimeStartLength = 5;

_LIT8( KAudio, "audio" );

_LIT8( KImage, "image" );

_LIT8( KVideo, "video" );

/**

 *  CUpnpDlnaProfiler is a class for resolving DLNA profile for a given file.

 *

 *  CUpnpDlnaProfiler class can be used to resolve a DLNA profile for a media 

 *  file (image, AV, video). User of this class can also query for a list of 

 *  currently supported DLNA profiles.

 *

 *  @lib dlnaprofiler.lib

 *  @since S60 v3.1

 */

class CUpnpDlnaProfiler: public CBase

    {

public:

    IMPORT_C static CUpnpDlnaProfiler* NewL();

    IMPORT_C static CUpnpDlnaProfiler* NewLC();

    virtual ~CUpnpDlnaProfiler();

    /**

     * SupportedProfilesL returns DLNA profiles that are currently supported.

     *

     * @since S60 v3.1

     * @param aProfiles Descriptor array where supported DLNA profiles are 

     *                  added.

     * @return TInt Error code, KErrNone if successfull.

     */

    IMPORT_C TInt SupportedProfilesL( CDesC16ArrayFlat* aProfiles ) const;

    /**

     * ProfileForFileL is for resolving a DLNA profile of a given file.

     *

     * @since S60 v3.1

     * @param aFileName Filename of the file which is to be resolved.

     *        Filename must contain full path (drive+path+filename).

     * @return DLNA profile of the file as a HBufC*, 

     *         NULL if could not be resolved

     */

    IMPORT_C HBufC* ProfileForFileL( const TDesC& aFilename );

    /**

     * ProfileForFileL is for resolving a DLNA profile of a given file.

     * Takes RFile and CUpnpResParameters parameters in order to minimize 

     * the amount of file opening.

     * @since S60 v3.1

     * @param aFileName Filename of the file which is to be resolved.

     *        Filename must contain full path (drive+path+filename).

     * @param aFile Handle to opened file specified by aFilename.

     * @param aParameters Res parameters that are already known.

     * @return DLNA profile of the file as a HBufC*, 

     *         NULL if could not be resolved

     */

    IMPORT_C HBufC* ProfileForFileL( const TDesC& aFilename, 

                                     RFile& aFile,

                                     CUpnpResParameters& aParameters );

private:

    CUpnpDlnaProfiler();

    void ConstructL();

    /**

     * DlnaProfileFromSolversL checks the mime type given as parameter and

     * forwards the recognition task to solver plugins corresponding the

     * mimetype.

     * @param aFileName Filename of the file which is to be resolved.

     *        Filename must contain full path (drive+path+filename).

     * @param aMimeType Mime type of file specified by aFilename.

     * @param aFile Handle to opened file specified by aFilename.

     * @return pointer to descriptor containing resolved DLNA profile

     * @since S60 v3.1

     */

    HBufC* DlnaProfileFromSolversL( const TDesC& aFilename, 

                                    const TDesC8& aMimetype, 

                                    RFile& aFile );

private: // data

    /**

     * iAudioSolvers is a list of audio solver plugins. Base solver plugin is 

     * the first one on the list and the rest are product specific solvers.

     * These are used for resolving a DLNA profile of an audio file.

     */

    RPointerArray<MUpnpProfiler> iAudioSolvers; // elements owned

    /**

     * iAvSolvers is a list of AV solver plugins. Base solver plugin is 

     * the first one on the list and the rest are product specific solvers.

     * These are used for resolving a DLNA profile of an AV (video) file.

     */

    RPointerArray<MUpnpProfiler> iAvSolvers; // elements owned

    /**

     * iImageSolvers is a list of image solver plugins. Base solver plugin is 

     * the first one on the list and the rest are product specific solvers.

     * These are used for resolving a DLNA profile of an image file.

     */

    RPointerArray<MUpnpProfiler> iImageSolvers; // elements owned

    };

#endif // C_UPNPDLNAPROFILER_H