1/*
2 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef TimeRanges_h
27#define TimeRanges_h
28
29#include "PlatformTimeRanges.h"
30#include <algorithm>
31#include <wtf/PassRefPtr.h>
32#include <wtf/RefCounted.h>
33#include <wtf/Vector.h>
34
35namespace WebCore {
36
37typedef int ExceptionCode;
38
39class TimeRanges : public RefCounted<TimeRanges> {
40public:
41    static PassRefPtr<TimeRanges> create();
42    static PassRefPtr<TimeRanges> create(double start, double end);
43    static PassRefPtr<TimeRanges> create(const PlatformTimeRanges&);
44
45    double start(unsigned index, ExceptionCode&) const;
46    double end(unsigned index, ExceptionCode&) const;
47
48    PassRefPtr<TimeRanges> copy() const;
49    void invert();
50    void intersectWith(const TimeRanges&);
51    void unionWith(const TimeRanges&);
52
53    unsigned length() const;
54
55    void add(double start, double end);
56    bool contain(double time) const;
57
58    size_t find(double time) const;
59    double nearest(double time) const;
60    double totalDuration() const;
61
62    const PlatformTimeRanges& ranges() const { return m_ranges; }
63
64private:
65    explicit TimeRanges();
66    TimeRanges(double start, double end);
67    TimeRanges(const PlatformTimeRanges&);
68
69
70    PlatformTimeRanges m_ranges;
71};
72
73} // namespace WebCore
74
75#endif
76