#ifndef PNGPLAYER_H
#define PNGPLAYER_H
/* Copyright (C) 2014 by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=2)
 * and comes with ABSOLUTELY NO WARRANTY!
 * See LICENSE.txt for details.
 */
#include <QWidget>
#include <QDir>
#include <QTimer>

class QLabel;

class PNGPlayer: public QWidget
{
    Q_OBJECT

public:
    PNGPlayer (QWidget * parent = 0, Qt::WindowFlags f = 0);

protected:
    void setupGUI();

public slots:
    /**@brief show a PNG in the viewer.
     *
     * @param fileName: The picture file to show.
     * @param info: Additional meta data to show with the image.
     */
    void showPicture(const QString& fileName, const QString& info);

    void setBaseDir(const QString& dirName) { mBaseDir.setPath(dirName); }

Q_SIGNALS:
    /** @brief Emited if something went wrong. e.g. file not readable */
    void error(const QString& msg);

    /** @brief Emited if the player wants to advance to the next picture */
    void advance();

protected:
    QLabel * mPNGLabel;
    QDir mBaseDir;
    QTimer mAdvanceTimer;
};



#endif // PNGPLAYER_H