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    41 

    42 #ifndef QMEDIATIMERANGE_H

    43 #define QMEDIATIMERANGE_H

    44 

    45 #include <qmobilityglobal.h>

    46 #include "qtmedianamespace.h"

    47 #include <QtCore/qshareddata.h>

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 class QMediaTimeRangePrivate;

    52 

    53 class Q_MULTIMEDIA_EXPORT QMediaTimeInterval

    54 {

    55 public:

    56     QMediaTimeInterval();

    57     QMediaTimeInterval(qint64 start, qint64 end);

    58     QMediaTimeInterval(const QMediaTimeInterval&);

    59 

    60     qint64 start() const;

    61     qint64 end() const;

    62 

    63     bool contains(qint64 time) const;

    64 

    65     bool isNormal() const;

    66     QMediaTimeInterval normalized() const;

    67     QMediaTimeInterval translated(qint64 offset) const;

    68 

    69 private:

    70     friend class QMediaTimeRangePrivate;

    71     friend class QMediaTimeRange;

    72 

    73     qint64 s;

    74     qint64 e;

    75 };

    76 

    77 Q_MULTIMEDIA_EXPORT bool operator==(const QMediaTimeInterval&, const QMediaTimeInterval&);

    78 Q_MULTIMEDIA_EXPORT bool operator!=(const QMediaTimeInterval&, const QMediaTimeInterval&);

    79 

    80 class Q_MULTIMEDIA_EXPORT QMediaTimeRange

    81 {

    82 public:

    83 

    84     QMediaTimeRange();

    85     QMediaTimeRange(qint64 start, qint64 end);

    86     QMediaTimeRange(const QMediaTimeInterval&);

    87     QMediaTimeRange(const QMediaTimeRange &range);

    88     ~QMediaTimeRange();

    89 

    90     QMediaTimeRange &operator=(const QMediaTimeRange&);

    91     QMediaTimeRange &operator=(const QMediaTimeInterval&);

    92 

    93     qint64 earliestTime() const;

    94     qint64 latestTime() const;

    95 

    96     QList<QMediaTimeInterval> intervals() const;

    97     bool isEmpty() const;

    98     bool isContinuous() const;

    99 

   100     bool contains(qint64 time) const;

   101 

   102     void addInterval(qint64 start, qint64 end);

   103     void addInterval(const QMediaTimeInterval &interval);

   104     void addTimeRange(const QMediaTimeRange&);

   105 

   106     void removeInterval(qint64 start, qint64 end);

   107     void removeInterval(const QMediaTimeInterval &interval);

   108     void removeTimeRange(const QMediaTimeRange&);

   109 

   110     QMediaTimeRange& operator+=(const QMediaTimeRange&);

   111     QMediaTimeRange& operator+=(const QMediaTimeInterval&);

   112     QMediaTimeRange& operator-=(const QMediaTimeRange&);

   113     QMediaTimeRange& operator-=(const QMediaTimeInterval&);

   114 

   115     void clear();

   116 

   117 private:

   118     QSharedDataPointer<QMediaTimeRangePrivate> d;

   119 };

   120 

   121 Q_MULTIMEDIA_EXPORT bool operator==(const QMediaTimeRange&, const QMediaTimeRange&);

   122 Q_MULTIMEDIA_EXPORT bool operator!=(const QMediaTimeRange&, const QMediaTimeRange&);

   123 Q_MULTIMEDIA_EXPORT QMediaTimeRange operator+(const QMediaTimeRange&, const QMediaTimeRange&);

   124 Q_MULTIMEDIA_EXPORT QMediaTimeRange operator-(const QMediaTimeRange&, const QMediaTimeRange&);

   125 

   126 

   127 QT_END_NAMESPACE

   128 

   129 #endif  // QMEDIATIMERANGE_H