1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 #ifndef CNTTHUMBNAILMANAGER_H_

    19 #define CNTTHUMBNAILMANAGER_H_

    20 

    21 #include <QObject>

    22 #include <QMap>

    23 #include <thumbnailmanager_qt.h>

    24 /*!

    25  * Wrapper class for ThumbnailManager. Reason for this class is to share

    26  * thumbnail manager instances for performance reasons. 

    27  * 

    28  * When a thumbnail is requested, class checks that if there is a manager already

    29  * for the requested size.  

    30  */

    31 class CntThumbnailManager : public QObject

    32 {

    33     Q_OBJECT

    34     

    35 public:

    36     CntThumbnailManager();

    37     ~CntThumbnailManager();

    38     

    39     int getThumbnail( ThumbnailManager::ThumbnailSize aSize, const QString& aFile );

    40     void cancelRequest( int aRequestId );

    41     

    42 signals:

    43     void thumbnailReady( QPixmap , void* , int , int );

    44     

    45 private:

    46     QMap<int, ThumbnailManager*> mManagers;

    47 };

    48 #endif /* CNTTHUMBNAILMANAGER_H_ */