/*

* 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:   Thumbnail creator client interface

*

*/

/**

 * @internal reviewed 30/07/2007 by Simon Brooks

 */

#ifndef M_GLXTNTHUMBNAILCREATORCLIENT_H

#define M_GLXTNTHUMBNAILCREATORCLIENT_H

// INCLUDES

#include <e32std.h>

#include <glxthumbnailinfo.h>

// FUNCTION PROTOTYPES

class CGlxtnFileInfo;

class MGlxtnThumbnailStorage;

class TGlxMediaId;

// CLASS DECLARATION

/**

*  Interface for clients of the TNC.

*

* @ingroup glx_thumbnail_creator

*/

class MGlxtnThumbnailCreatorClient

    {

public:

    /**

	* Notifies that a thumbnail for a given item is available, or that

	* thumbnail generation failed.

    * @param aItemId The item for which the thumbnail was required.

    * @param aQuality quality of the thumbnail

    * @param aErrorCode KErrNone if successful, otherwise an error code.

    */

    virtual void ThumbnailFetchComplete(const TGlxMediaId& aItemId,

                        TGlxThumbnailQuality aQuality, TInt aErrorCode) = 0;

    /**

	* Notifies that deletion of thumbnails for a given item is complete, or

	* the operation failed.

    * @param aItemId The item whose thumbnails were deleted.

    * @param aErrorCode KErrNone if successful, otherwise an error code.

    */

    virtual void ThumbnailDeletionComplete(const TGlxMediaId& aItemId,

                                            TInt aErrorCode) = 0;

    /**

	* Notifies that filtering items with available thumbnails from a list is

	* complete, or the operation failed.

    * @param aIdArray Array of IDs of items which don't have a thumbnail

    *           available.

    * @param aErrorCode KErrNone if successful, otherwise an error code.

    */

    virtual void FilterAvailableComplete(const RArray<TGlxMediaId>& aIdArray,

                                            TInt aErrorCode) = 0;

    /**

    * Called by a task to request file information for an item.  The

    * information is returned asynchronously.

    * @param aInfo Buffer to hold the information.

    * @param aItemId The item for which the URI is required.

    * @param aStatus Request status for the asynchronous operation.

    */

    virtual void FetchFileInfoL(CGlxtnFileInfo* aInfo,

                    const TGlxMediaId& aItemId, TRequestStatus* aStatus) = 0;

    /**

    * Cancel the request for an URI.

    * @param aItemId The item for which the URI was required.

    */

    virtual void CancelFetchUri(const TGlxMediaId& aItemId) = 0;

    /**

    * Get the thumbnail storage used by this client.

    * @return Pointer to the storage.

    */

    virtual MGlxtnThumbnailStorage* ThumbnailStorage() = 0;

    };

#endif  // M_GLXTNTHUMBNAILCREATORCLIENT_H

// End of File