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29 #include "ExceptionCode.h"
32 #include <wtf/PassRefPtr.h>
33 #include <wtf/RefCounted.h>
34 #include <wtf/Vector.h>
38 class TimeRanges : public RefCounted<TimeRanges> {
40 static PassRefPtr<TimeRanges> create()
42 return adoptRef(new TimeRanges);
44 static PassRefPtr<TimeRanges> create(float start, float end)
46 return adoptRef(new TimeRanges(start, end));
49 PassRefPtr<TimeRanges> copy();
51 unsigned length() const { return m_ranges.size(); }
52 float start(unsigned index, ExceptionCode&) const;
53 float end(unsigned index, ExceptionCode&) const;
55 void add(float start, float end);
57 bool contain(float time) const;
59 float nearest(float time) const;
63 TimeRanges(float start, float end);
64 TimeRanges(const TimeRanges&);
66 // We consider all the Ranges to be semi-bounded as follow: [start, end[
69 Range(float start, float end)
77 inline bool isPointInRange(float point) const
79 return m_start <= point && point < m_end;
82 inline bool isOverlappingRange(const Range& range) const
84 return isPointInRange(range.m_start) || isPointInRange(range.m_end) || range.isPointInRange(m_start);
87 inline bool isContiguousWithRange(const Range& range) const
89 return range.m_start == m_end || range.m_end == m_start;
92 inline Range unionWithOverlappingOrContiguousRange(const Range& range) const
96 ret.m_start = std::min(m_start, range.m_start);
97 ret.m_end = std::max(m_end, range.m_end);
102 inline bool isBeforeRange(const Range& range) const
104 return range.m_start >= m_end;
108 Vector<Range> m_ranges;
111 } // namespace WebCore