/*

* 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:  Thumbnail server client-side session

 *

*/

#ifndef THUMBNAILSESSION_H

#define THUMBNAILSESSION_H

#include <e32base.h>

#include "thumbnailmanagerconstants.h"

/**

 *  Thumbnail server client-side session

 *

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS( RThumbnailSession ): public RSessionBase

    {

public:

    /**

     * C++ default constructor.

     *

     * @since S60 v5.0

     * @return New RThumbnailSession session.

     */

    RThumbnailSession();

    /**

     * Connect to server process.

     *

     * @since S60 v5.0

     * @return Error code.

     */

    TInt Connect();

    /**

     * Close session.

     *

     * @since S60 v5.0

     */

    void Close();

    /**

     * Version info.

     *

     * @since S60 v5.0

     * @return Version of client.

     */

    TVersion Version();

    /**

     * Request a thumbnail for an object file.

     *

     * @since S60 v5.0

     * @param aFile File from which the thumbnail is to be created.

     * @param aTargetUri         Target URI to which the imported thumbnail is linked.

     * @param aParams Package for request parameters.

     * @param aStatus Status of the request.

     */

    void RequestThumbnailL( const RFile64& aFile, const TDesC& aTargetUri, TThumbnailRequestParamsPckg&

        aParams, TRequestStatus& aStatus );

    /**

     * Request a thumbnail for an object file.

     *

     * @since S60 v5.0

     * @param aPath Path of image from which the thumbnail is to be created.

     * @param aTargetUri         Target URI to which the imported thumbnail is linked.

     * @param aParams Package for request parameters.

     * @param aStatus Status of the request.

     */

    void RequestThumbnailL( const TDesC& aPath, const TDesC& aTargetUri, const TThumbnailId aThumbnailId, TThumbnailRequestParamsPckg&

        aParams, TRequestStatus& aStatus );

    /**

     * Request a thumbnail for an object file.

     *

     * @since S60 v5.0

     * @param aThumbnailId Thumbnail ID

     * @param aTargetUri         Target URI to which the imported thumbnail is linked.

     * @param aParams Package for request parameters.

     * @param aStatus Status of the request.

     */    

    void RequestThumbnailL( const TThumbnailId aThumbnailId, const TDesC& aTargetUri,

            TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus );  

    /**

     * Request set thumbnail for an object file.

     *

     * @since S60 v5.0

     * @param aBuffer buffer from which the thumbnail is to be created.

     * @param aTargetUri         Target URI to which the imported thumbnail is linked.

     * @param aParams Package for request parameters.

     * @param aStatus Status of the request.

     */    

    void RequestSetThumbnailL( 

            TDesC8* aBuffer, const TDesC& aTargetUri,         

            TThumbnailRequestParamsPckg& aParams, 

            TRequestStatus& aStatus  );

    /**

     * Request set thumbnail for an object file.

     *

     * @since S60 v5.0

     * @param aBitmapHandle Bitmap handle

     * @param aTargetUri         Target URI to which the imported thumbnail is linked.

     * @param aParams Package for request parameters.

     * @param aStatus Status of the request.

     */    

    void RequestSetThumbnailL( 

            TInt aBitmapHandle, const TDesC& aTargetUri,         

            TThumbnailRequestParamsPckg& aParams, 

            TRequestStatus& aStatus  );    

    /**

     * Release bitmap instance kept by server process.

     *

     * @since S60 v5.0

     * @param aBitmapHandle Handle to bitmap.

     */

    void ReleaseBitmap( TInt aBitmapHandle );

    /**

     * Cancel pending thumbnail request.

     *

     * @since S60 v5.0

     * @param aRequestId Session specific thumbnail request ID.

     * @return Error code.

     */

    TInt CancelRequest( TThumbnailRequestId aRequestId );

    /**

     * Change priority of pending thumbnail request.

     *

     * @since S60 v5.0

     * @param aRequestId Session specific thumbnail request ID.

     * @param aNewPriority New priority to be set for the request.

     * @return Error code.

     */

    TInt ChangePriority( TThumbnailRequestId aRequestId, TInt aNewPriority );

    /**

     * Create thumbnails.

     *

     * @since S60 v5.0

     * @param aPath Path to media object whose thumbnails should be created.

     * @return Error code.

     */

    TInt CreateThumbnails( const RFile64& aFile, TDisplayMode aDisplayMode );

    /**

     * Delete thumbnails.

     *

     * @since S60 v5.0

     * @param aPath Path to media object whose thumbnails should be deleted.

     */

    void DeleteThumbnails( const TDesC& aPath, TThumbnailRequestParamsPckg& aParams,

            TRequestStatus& aStatus );

    /**

     * Delete thumbnails.

     *

     * @since S60 v5.0

     * @param aItemId Id of item whose thumbnails should be deleted.

     */

    void DeleteThumbnails( const TThumbnailId aItemId, TThumbnailRequestParamsPckg& aParams,

            TRequestStatus& aStatus );    

    /**

     * Get a list of supported MIME types in a HBufC. The list is space

     * delimited.

     *

     * @since S60 v5.0

     * @return MIME type list. Ownership transferred to called.

     */

    HBufC* GetMimeTypeListL();

    /**

     * Update thumbnails.

     *

     * @since S60 v5.0

     * @param aPath         (New) path for the Thumbnail

     * @param aOrientation  Thumbnail orientation

     * @param aModified     Last modified

     */

    void UpdateThumbnails( const TDesC& aPath, const TInt aOrientation, const TInt64 aModified,

                           TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus);

private:

    /**

     * Launch server process.

     *

     * @since S60 v5.0

     * @return Error code.

     */

    TInt StartServer();

};

#endif // THUMBNAILSESSION_H