1/*
2 * Copyright (C) 2013 University of Washington. All rights reserved.
3 * Copyright (C) 2014 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
16 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
18 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "config.h"
29#include "ReplaySession.h"
30
31#if ENABLE(WEB_REPLAY)
32
33#include "ReplaySessionSegment.h"
34#include <wtf/CurrentTime.h>
35
36namespace WebCore {
37
38static unsigned s_nextIdentifier = 1;
39
40PassRefPtr<ReplaySession> ReplaySession::create()
41{
42    return adoptRef(new ReplaySession());
43}
44
45ReplaySession::ReplaySession()
46    : m_identifier(s_nextIdentifier++)
47    , m_timestamp(currentTimeMS())
48{
49}
50
51ReplaySession::~ReplaySession()
52{
53}
54
55PassRefPtr<ReplaySessionSegment> ReplaySession::at(size_t position) const
56{
57    return m_segments.at(position);
58}
59
60void ReplaySession::appendSegment(PassRefPtr<ReplaySessionSegment> prpSegment)
61{
62    RefPtr<ReplaySessionSegment> segment = prpSegment;
63
64    // For now, only support one segment.
65    ASSERT(!m_segments.size());
66
67    // Since replay locations are specified with segment IDs, we can only
68    // have one instance of a segment in the session.
69    size_t offset = m_segments.find(segment);
70    ASSERT_UNUSED(offset, offset == notFound);
71
72    m_segments.append(segment.release());
73}
74
75void ReplaySession::insertSegment(size_t position, PassRefPtr<ReplaySessionSegment> segment)
76{
77    ASSERT(position < m_segments.size());
78    m_segments.insert(position, segment);
79}
80
81void ReplaySession::removeSegment(size_t position)
82{
83    ASSERT(position < m_segments.size());
84    m_segments.remove(position);
85}
86
87}; // namespace WebCore
88
89#endif // ENABLE(WEB_REPLAY)
90