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    41 

    42 #ifndef QMEDIAPLAYLISTIOPLUGIN_H

    43 #define QMEDIAPLAYLISTIOPLUGIN_H

    44 

    45 #include <QtCore/qobject.h>

    46 #include <QtCore/qplugin.h>

    47 #include <QtCore/qfactoryinterface.h>

    48 

    49 #include <qmobilityglobal.h>

    50 

    51 #include "qmediacontent.h"

    52 

    53 QT_BEGIN_NAMESPACE

    54 class QString;

    55 class QUrl;

    56 class QByteArray;

    57 class QIODevice;

    58 class QStringList;

    59 

    60 class Q_MULTIMEDIA_EXPORT QMediaPlaylistReader

    61 {

    62 public:

    63     virtual ~QMediaPlaylistReader();

    64 

    65     virtual bool atEnd() const = 0;

    66     virtual QMediaContent readItem() = 0;

    67     virtual void close() = 0;

    68 };

    69 

    70 class Q_MULTIMEDIA_EXPORT QMediaPlaylistWriter

    71 {

    72 public:

    73     virtual ~QMediaPlaylistWriter();

    74 

    75     virtual bool writeItem(const QMediaContent &content) = 0;

    76     virtual void close() = 0;

    77 };

    78 

    79 struct Q_MULTIMEDIA_EXPORT QMediaPlaylistIOInterface : public QFactoryInterface

    80 {

    81     virtual bool canRead(QIODevice *device, const QByteArray &format = QByteArray() ) const = 0;

    82     virtual bool canRead(const QUrl& location, const QByteArray &format = QByteArray()) const = 0;

    83 

    84     virtual bool canWrite(QIODevice *device, const QByteArray &format) const = 0;

    85 

    86     virtual QMediaPlaylistReader *createReader(QIODevice *device, const QByteArray &format = QByteArray()) = 0;

    87     virtual QMediaPlaylistReader *createReader(const QUrl& location, const QByteArray &format = QByteArray()) = 0;

    88 

    89     virtual QMediaPlaylistWriter *createWriter(QIODevice *device, const QByteArray &format) = 0;

    90 };

    91 

    92 #define QMediaPlaylistIOInterface_iid "com.nokia.Qt.QMediaPlaylistIOInterface"

    93 Q_DECLARE_INTERFACE(QMediaPlaylistIOInterface, QMediaPlaylistIOInterface_iid);

    94 

    95 class Q_MULTIMEDIA_EXPORT QMediaPlaylistIOPlugin : public QObject, public QMediaPlaylistIOInterface

    96 {

    97 Q_OBJECT

    98 Q_INTERFACES(QMediaPlaylistIOInterface:QFactoryInterface)

    99 public:

   100     explicit QMediaPlaylistIOPlugin(QObject *parent = 0);

   101     virtual ~QMediaPlaylistIOPlugin();

   102 

   103     virtual bool canRead(QIODevice *device, const QByteArray &format = QByteArray() ) const = 0;

   104     virtual bool canRead(const QUrl& location, const QByteArray &format = QByteArray()) const = 0;

   105 

   106     virtual bool canWrite(QIODevice *device, const QByteArray &format) const = 0;

   107 

   108     virtual QStringList keys() const = 0;

   109 

   110     virtual QMediaPlaylistReader *createReader(QIODevice *device, const QByteArray &format = QByteArray()) = 0;

   111     virtual QMediaPlaylistReader *createReader(const QUrl& location, const QByteArray &format = QByteArray()) = 0;

   112 

   113     virtual QMediaPlaylistWriter *createWriter(QIODevice *device, const QByteArray &format) = 0;

   114 };

   115 

   116 QT_END_NAMESPACE

   117 

   118 #endif // QMEDIAPLAYLISTIOPLUGIN_H