1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * Copyright (C) 2014-2017 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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "VTTRegionList.h"
29
30#if ENABLE(VIDEO_TRACK)
31
32namespace WebCore {
33
34VTTRegion* VTTRegionList::item(unsigned index) const
35{
36 if (index >= m_vector.size())
37 return nullptr;
38 return const_cast<VTTRegion*>(m_vector[index].ptr());
39}
40
41VTTRegion* VTTRegionList::getRegionById(const String& id) const
42{
43 // FIXME: Why is this special case needed?
44 if (id.isEmpty())
45 return nullptr;
46 for (auto& region : m_vector) {
47 if (region->id() == id)
48 return const_cast<VTTRegion*>(region.ptr());
49 }
50 return nullptr;
51}
52
53void VTTRegionList::add(Ref<VTTRegion>&& region)
54{
55 m_vector.append(WTFMove(region));
56}
57
58void VTTRegionList::remove(VTTRegion& region)
59{
60 for (unsigned i = 0, size = m_vector.size(); i < size; ++i) {
61 if (m_vector[i].ptr() == &region) {
62 m_vector.remove(i);
63 return;
64 }
65 }
66 ASSERT_NOT_REACHED();
67}
68
69} // namespace WebCore
70
71#endif
72