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 #ifndef CXETHUMBNAILMANAGERSYMBIAN_H_

    18 #define CXETHUMBNAILMANAGERSYMBIAN_H_

    19 

    20 #include <QHash>

    21 #include <QObject>

    22 #include <QString>

    23 #include <QPixmap>

    24 

    25 // forward declaration

    26 class ThumbnailManager;

    27 

    28 

    29 /*!

    30 * Class handles thumbnail creation for both still and video. It uses Thumbnail manager

    31 * component for creating the thumb nails for the given snapshot and the file name.

    32 */

    33 class CxeThumbnailManagerSymbian  : public QObject

    34 {

    35     Q_OBJECT

    36 

    37 public:

    38 

    39     CxeThumbnailManagerSymbian();

    40     ~CxeThumbnailManagerSymbian();

    41 

    42 public slots:

    43 

    44     /**

    45      * Creates from given thumbnail.

    46      */

    47     virtual void createThumbnail(const QString& filename, QPixmap thumbnail);

    48 

    49     /**

    50      * Cancels thumbnail creation.

    51      */

    52     virtual void cancelThumbnail(const QString& filename);

    53 

    54 signals:

    55 

    56     /**

    57      * Informs clients about thumbnail ready event

    58      */

    59     void thumbnailReady(QPixmap thumbnail, int error);

    60 

    61 private slots:

    62 

    63     /**

    64      * slot that gets called when thumbnail manager has created a thumbnail

    65      */

    66     void thumbnailReady(QPixmap thumbnail, void * data, int id, int error);

    67 

    68 private:

    69     ThumbnailManager* mThumbnailManager;

    70     // file name, thumbnail id hash table

    71     QHash<QString, int> mThumbnailRequests;

    72 };

    73 

    74 #endif /* CXETHUMBNAILMANAGERSYMBIAN_H_ */