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
38 namespace blink {
39
SourceBufferList(ExecutionContext * context,GenericEventQueue * asyncEventQueue)40 SourceBufferList::SourceBufferList(ExecutionContext* context, GenericEventQueue* asyncEventQueue)
41 : m_executionContext(context)
42 , m_asyncEventQueue(asyncEventQueue)
43 {
44 }
45
~SourceBufferList()46 SourceBufferList::~SourceBufferList()
47 {
48 #if !ENABLE(OILPAN)
49 ASSERT(m_list.isEmpty());
50 #endif
51 }
52
add(SourceBuffer * buffer)53 void SourceBufferList::add(SourceBuffer* buffer)
54 {
55 m_list.append(buffer);
56 scheduleEvent(EventTypeNames::addsourcebuffer);
57 }
58
insert(size_t position,SourceBuffer * buffer)59 void SourceBufferList::insert(size_t position, SourceBuffer* buffer)
60 {
61 m_list.insert(position, buffer);
62 scheduleEvent(EventTypeNames::addsourcebuffer);
63 }
64
remove(SourceBuffer * buffer)65 void 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
clear()74 void SourceBufferList::clear()
75 {
76 m_list.clear();
77 scheduleEvent(EventTypeNames::removesourcebuffer);
78 }
79
scheduleEvent(const AtomicString & eventName)80 void 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
interfaceName() const90 const AtomicString& SourceBufferList::interfaceName() const
91 {
92 return EventTargetNames::SourceBufferList;
93 }
94
executionContext() const95 ExecutionContext* SourceBufferList::executionContext() const
96 {
97 return m_executionContext;
98 }
99
trace(Visitor * visitor)100 void SourceBufferList::trace(Visitor* visitor)
101 {
102 visitor->trace(m_list);
103 EventTargetWithInlineData::trace(visitor);
104 }
105
106 } // namespace blink
107