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#pragma once
27
28#if ENABLE(VIDEO_TRACK)
29
30#include "InbandTextTrack.h"
31#include "TextTrackCueGeneric.h"
32#include "WebVTTParser.h"
33
34namespace WebCore {
35
36class GenericTextTrackCueMap {
37public:
38 void add(GenericCueData&, TextTrackCueGeneric&);
39
40 void remove(TextTrackCue&);
41 void remove(GenericCueData&);
42
43 GenericCueData* find(TextTrackCue&);
44 TextTrackCueGeneric* find(GenericCueData&);
45
46private:
47 using CueToDataMap = HashMap<RefPtr<TextTrackCue>, RefPtr<GenericCueData>>;
48 using CueDataToCueMap = HashMap<RefPtr<GenericCueData>, RefPtr<TextTrackCueGeneric>>;
49
50 CueToDataMap m_cueToDataMap;
51 CueDataToCueMap m_dataToCueMap;
52};
53
54class InbandGenericTextTrack final : public InbandTextTrack, private WebVTTParserClient {
55 WTF_MAKE_ISO_ALLOCATED(InbandGenericTextTrack);
56public:
57 static Ref<InbandGenericTextTrack> create(ScriptExecutionContext&, TextTrackClient&, InbandTextTrackPrivate&);
58 virtual ~InbandGenericTextTrack();
59
60private:
61 InbandGenericTextTrack(ScriptExecutionContext&, TextTrackClient&, InbandTextTrackPrivate&);
62
63 void addGenericCue(GenericCueData&) final;
64 void updateGenericCue(GenericCueData&) final;
65 void removeGenericCue(GenericCueData&) final;
66 ExceptionOr<void> removeCue(TextTrackCue&) final;
67
68 void updateCueFromCueData(TextTrackCueGeneric&, GenericCueData&);
69
70 WebVTTParser& parser();
71 void parseWebVTTCueData(const ISOWebVTTCue&) final;
72 void parseWebVTTFileHeader(String&&) final;
73
74 void newCuesParsed() final;
75 void newRegionsParsed() final;
76 void newStyleSheetsParsed() final;
77 void fileFailedToParse() final;
78
79#if !RELEASE_LOG_DISABLED
80 const char* logClassName() const final { return "InbandGenericTextTrack"; }
81#endif
82
83 GenericTextTrackCueMap m_cueMap;
84 std::unique_ptr<WebVTTParser> m_webVTTParser;
85};
86
87} // namespace WebCore
88
89#endif
90