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/Event.h"
35 #include "core/events/GenericEventQueue.h"
36 #include "modules/mediasource/SourceBuffer.h"
37
38 namespace WebCore {
39
SourceBufferList(ExecutionContext * context,GenericEventQueue * asyncEventQueue)40 SourceBufferList::SourceBufferList(ExecutionContext* context, GenericEventQueue* asyncEventQueue)
41 : m_executionContext(context)
42 , m_asyncEventQueue(asyncEventQueue)
43 {
44 ScriptWrappable::init(this);
45 }
46
~SourceBufferList()47 SourceBufferList::~SourceBufferList()
48 {
49 ASSERT(m_list.isEmpty());
50 }
51
add(PassRefPtr<SourceBuffer> buffer)52 void SourceBufferList::add(PassRefPtr<SourceBuffer> buffer)
53 {
54 m_list.append(buffer);
55 scheduleEvent(EventTypeNames::addsourcebuffer);
56 }
57
remove(SourceBuffer * buffer)58 void SourceBufferList::remove(SourceBuffer* buffer)
59 {
60 size_t index = m_list.find(buffer);
61 if (index == kNotFound)
62 return;
63 m_list.remove(index);
64 scheduleEvent(EventTypeNames::removesourcebuffer);
65 }
66
clear()67 void SourceBufferList::clear()
68 {
69 m_list.clear();
70 scheduleEvent(EventTypeNames::removesourcebuffer);
71 }
72
scheduleEvent(const AtomicString & eventName)73 void SourceBufferList::scheduleEvent(const AtomicString& eventName)
74 {
75 ASSERT(m_asyncEventQueue);
76
77 RefPtr<Event> event = Event::create(eventName);
78 event->setTarget(this);
79
80 m_asyncEventQueue->enqueueEvent(event.release());
81 }
82
interfaceName() const83 const AtomicString& SourceBufferList::interfaceName() const
84 {
85 return EventTargetNames::SourceBufferList;
86 }
87
executionContext() const88 ExecutionContext* SourceBufferList::executionContext() const
89 {
90 return m_executionContext;
91 }
92
93 } // namespace WebCore
94