1/*
2 * Copyright (C) 2012-2017 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "InbandWebVTTTextTrack.h"
28
29#if ENABLE(VIDEO_TRACK)
30
31#include "InbandTextTrackPrivate.h"
32#include "Logging.h"
33#include "VTTCue.h"
34#include "VTTRegionList.h"
35#include <wtf/IsoMallocInlines.h>
36#include <wtf/text/CString.h>
37
38namespace WebCore {
39
40WTF_MAKE_ISO_ALLOCATED_IMPL(InbandWebVTTTextTrack);
41
42inline InbandWebVTTTextTrack::InbandWebVTTTextTrack(ScriptExecutionContext& context, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
43 : InbandTextTrack(context, client, trackPrivate)
44{
45}
46
47Ref<InbandTextTrack> InbandWebVTTTextTrack::create(ScriptExecutionContext& context, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
48{
49 return adoptRef(*new InbandWebVTTTextTrack(context, client, trackPrivate));
50}
51
52InbandWebVTTTextTrack::~InbandWebVTTTextTrack() = default;
53
54WebVTTParser& InbandWebVTTTextTrack::parser()
55{
56 if (!m_webVTTParser)
57 m_webVTTParser = std::make_unique<WebVTTParser>(static_cast<WebVTTParserClient*>(this), scriptExecutionContext());
58 return *m_webVTTParser;
59}
60
61void InbandWebVTTTextTrack::parseWebVTTCueData(const char* data, unsigned length)
62{
63 parser().parseBytes(data, length);
64}
65
66void InbandWebVTTTextTrack::parseWebVTTCueData(const ISOWebVTTCue& cueData)
67{
68 parser().parseCueData(cueData);
69}
70
71void InbandWebVTTTextTrack::newCuesParsed()
72{
73 Vector<RefPtr<WebVTTCueData>> cues;
74 parser().getNewCues(cues);
75 for (auto& cueData : cues) {
76 auto vttCue = VTTCue::create(*scriptExecutionContext(), *cueData);
77 if (hasCue(vttCue.ptr(), TextTrackCue::IgnoreDuration)) {
78 INFO_LOG(LOGIDENTIFIER, "ignoring already added cue: ", vttCue.get());
79 return;
80 }
81
82 INFO_LOG(LOGIDENTIFIER, vttCue.get());
83
84 addCue(WTFMove(vttCue));
85 }
86}
87
88void InbandWebVTTTextTrack::newRegionsParsed()
89{
90 Vector<RefPtr<VTTRegion>> newRegions;
91 parser().getNewRegions(newRegions);
92 for (auto& region : newRegions) {
93 region->setTrack(this);
94 regions()->add(region.releaseNonNull());
95 }
96}
97
98void InbandWebVTTTextTrack::newStyleSheetsParsed()
99{
100}
101
102void InbandWebVTTTextTrack::fileFailedToParse()
103{
104 ERROR_LOG(LOGIDENTIFIER, "Error parsing WebVTT stream.");
105}
106
107} // namespace WebCore
108
109#endif
110