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29 #include "bindings/core/v8/ScriptWrappable.h"
30 #include "public/platform/WebTimeRange.h"
31 #include "wtf/PassRefPtr.h"
32 #include "wtf/RefCounted.h"
33 #include "wtf/Vector.h"
41 class TimeRanges : public RefCountedWillBeGarbageCollected<TimeRanges>, public ScriptWrappable {
42 DEFINE_WRAPPERTYPEINFO();
44 // We consider all the Ranges to be semi-bounded as follow: [start, end[
46 ALLOW_ONLY_INLINE_ALLOCATION();
49 Range(double start, double end)
57 inline bool isPointInRange(double point) const
59 return m_start <= point && point < m_end;
62 inline bool isOverlappingRange(const Range& range) const
64 return isPointInRange(range.m_start) || isPointInRange(range.m_end) || range.isPointInRange(m_start);
67 inline bool isContiguousWithRange(const Range& range) const
69 return range.m_start == m_end || range.m_end == m_start;
72 inline Range unionWithOverlappingOrContiguousRange(const Range& range) const
76 ret.m_start = std::min(m_start, range.m_start);
77 ret.m_end = std::max(m_end, range.m_end);
82 inline bool isBeforeRange(const Range& range) const
84 return range.m_start >= m_end;
87 void trace(Visitor*) { }
90 static PassRefPtrWillBeRawPtr<TimeRanges> create()
92 return adoptRefWillBeNoop(new TimeRanges);
94 static PassRefPtrWillBeRawPtr<TimeRanges> create(double start, double end)
96 return adoptRefWillBeNoop(new TimeRanges(start, end));
98 static PassRefPtrWillBeRawPtr<TimeRanges> create(const blink::WebTimeRanges&);
100 PassRefPtrWillBeRawPtr<TimeRanges> copy() const;
101 void intersectWith(const TimeRanges*);
102 void unionWith(const TimeRanges*);
104 unsigned length() const { return m_ranges.size(); }
105 double start(unsigned index, ExceptionState&) const;
106 double end(unsigned index, ExceptionState&) const;
108 void add(double start, double end);
110 bool contain(double time) const;
112 double nearest(double newPlaybackPosition, double currentPlaybackPosition) const;
114 void trace(Visitor*);
119 TimeRanges(double start, double end);
123 WillBeHeapVector<Range> m_ranges;
128 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::TimeRanges::Range);
130 #endif // TimeRanges_h