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    41 

    42 #ifndef QMEDIAIMAGEVIEWER_H

    43 #define QMEDIAIMAGEVIEWER_H

    44 

    45 #include "qmediaobject.h"

    46 #include "qmediacontent.h"

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 class QMediaPlaylist;

    51 

    52 class QMediaImageViewerPrivate;

    53 class Q_MULTIMEDIA_EXPORT QMediaImageViewer : public QMediaObject

    54 {

    55     Q_OBJECT

    56     Q_PROPERTY(State state READ state NOTIFY stateChanged)

    57     Q_PROPERTY(MediaStatus mediaStatus READ mediaStatus NOTIFY mediaStatusChanged)

    58     Q_PROPERTY(QMediaContent media READ media WRITE setMedia NOTIFY mediaChanged)

    59     Q_PROPERTY(int timeout READ timeout WRITE setTimeout)

    60     Q_PROPERTY(int elapsedTime READ elapsedTime NOTIFY elapsedTimeChanged)

    61     Q_ENUMS(State MediaStatus)

    62 

    63 public:

    64     enum State

    65     {

    66         StoppedState,

    67         PlayingState,

    68         PausedState

    69     };

    70 

    71     enum MediaStatus

    72     {

    73         NoMedia,

    74         LoadingMedia,

    75         LoadedMedia,

    76         InvalidMedia

    77     };

    78 

    79     explicit QMediaImageViewer(QObject *parent = 0);

    80     ~QMediaImageViewer();

    81 

    82     State state() const;

    83     MediaStatus mediaStatus() const;

    84 

    85     QMediaContent media() const;

    86     QMediaPlaylist *playlist() const;

    87 

    88     int timeout() const;

    89     int elapsedTime() const;

    90 

    91     bool bind(QObject *);

    92     void unbind(QObject *);

    93 

    94 public Q_SLOTS:

    95     void setMedia(const QMediaContent &media);

    96     void setPlaylist(QMediaPlaylist *playlist);

    97 

    98     void play();

    99     void pause();

   100     void stop();

   101 

   102     void setTimeout(int timeout);

   103 

   104 Q_SIGNALS:

   105     void stateChanged(QMediaImageViewer::State state);

   106     void mediaStatusChanged(QMediaImageViewer::MediaStatus status);

   107     void mediaChanged(const QMediaContent &media);

   108     void elapsedTimeChanged(int time);

   109 protected:

   110     void timerEvent(QTimerEvent *event);

   111 

   112 private:

   113     Q_DECLARE_PRIVATE(QMediaImageViewer)

   114     Q_PRIVATE_SLOT(d_func(), void _q_mediaStatusChanged(QMediaImageViewer::MediaStatus))

   115     Q_PRIVATE_SLOT(d_func(), void _q_playlistMediaChanged(const QMediaContent &))

   116     Q_PRIVATE_SLOT(d_func(), void _q_playlistDestroyed())

   117 };

   118 

   119 QT_END_NAMESPACE

   120 

   121 #endif