1/*
2 * Copyright (C) 2013 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "modules/mediasource/SourceBufferList.h"
33
34#include "core/events/GenericEventQueue.h"
35#include "modules/EventModules.h"
36#include "modules/mediasource/SourceBuffer.h"
37
38namespace blink {
39
40SourceBufferList::SourceBufferList(ExecutionContext* context, GenericEventQueue* asyncEventQueue)
41    : m_executionContext(context)
42    , m_asyncEventQueue(asyncEventQueue)
43{
44}
45
46SourceBufferList::~SourceBufferList()
47{
48#if !ENABLE(OILPAN)
49    ASSERT(m_list.isEmpty());
50#endif
51}
52
53void SourceBufferList::add(SourceBuffer* buffer)
54{
55    m_list.append(buffer);
56    scheduleEvent(EventTypeNames::addsourcebuffer);
57}
58
59void SourceBufferList::insert(size_t position, SourceBuffer* buffer)
60{
61    m_list.insert(position, buffer);
62    scheduleEvent(EventTypeNames::addsourcebuffer);
63}
64
65void SourceBufferList::remove(SourceBuffer* buffer)
66{
67    size_t index = m_list.find(buffer);
68    if (index == kNotFound)
69        return;
70    m_list.remove(index);
71    scheduleEvent(EventTypeNames::removesourcebuffer);
72}
73
74void SourceBufferList::clear()
75{
76    m_list.clear();
77    scheduleEvent(EventTypeNames::removesourcebuffer);
78}
79
80void SourceBufferList::scheduleEvent(const AtomicString& eventName)
81{
82    ASSERT(m_asyncEventQueue);
83
84    RefPtrWillBeRawPtr<Event> event = Event::create(eventName);
85    event->setTarget(this);
86
87    m_asyncEventQueue->enqueueEvent(event.release());
88}
89
90const AtomicString& SourceBufferList::interfaceName() const
91{
92    return EventTargetNames::SourceBufferList;
93}
94
95ExecutionContext* SourceBufferList::executionContext() const
96{
97    return m_executionContext;
98}
99
100void SourceBufferList::trace(Visitor* visitor)
101{
102    visitor->trace(m_list);
103    EventTargetWithInlineData::trace(visitor);
104}
105
106} // namespace blink
107