1/*
2 * Copyright (C) 2012-2014 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#ifndef InbandGenericTextTrack_h
27#define InbandGenericTextTrack_h
28
29#if ENABLE(VIDEO_TRACK)
30
31#include "InbandTextTrack.h"
32#include "TextTrackCueGeneric.h"
33#include "WebVTTParser.h"
34#include <wtf/RefPtr.h>
35
36namespace WebCore {
37
38class Document;
39class InbandTextTrackPrivate;
40class TextTrackCue;
41
42class GenericTextTrackCueMap {
43public:
44    GenericTextTrackCueMap();
45    virtual ~GenericTextTrackCueMap();
46
47    void add(GenericCueData*, TextTrackCueGeneric*);
48
49    void remove(TextTrackCue*);
50    void remove(GenericCueData*);
51
52    PassRefPtr<GenericCueData> find(TextTrackCue*);
53    PassRefPtr<TextTrackCueGeneric> find(GenericCueData*);
54
55private:
56    typedef HashMap<RefPtr<TextTrackCue>, RefPtr<GenericCueData>> CueToDataMap;
57    typedef HashMap<RefPtr<GenericCueData>, RefPtr<TextTrackCueGeneric>> CueDataToCueMap;
58
59    CueToDataMap m_cueToDataMap;
60    CueDataToCueMap m_dataToCueMap;
61};
62
63class InbandGenericTextTrack : public InbandTextTrack, private WebVTTParserClient {
64public:
65    static PassRefPtr<InbandGenericTextTrack> create(ScriptExecutionContext*, TextTrackClient*, PassRefPtr<InbandTextTrackPrivate>);
66    virtual ~InbandGenericTextTrack();
67
68private:
69    InbandGenericTextTrack(ScriptExecutionContext*, TextTrackClient*, PassRefPtr<InbandTextTrackPrivate>);
70
71    virtual void addGenericCue(InbandTextTrackPrivate*, PassRefPtr<GenericCueData>) override;
72    virtual void updateGenericCue(InbandTextTrackPrivate*, GenericCueData*) override;
73    virtual void removeGenericCue(InbandTextTrackPrivate*, GenericCueData*) override;
74    virtual void removeCue(TextTrackCue*, ExceptionCode&) override;
75
76    PassRefPtr<TextTrackCueGeneric> createCue(PassRefPtr<GenericCueData>);
77    void updateCueFromCueData(TextTrackCueGeneric*, GenericCueData*);
78
79    WebVTTParser& parser();
80    virtual void parseWebVTTCueData(InbandTextTrackPrivate*, const ISOWebVTTCue&) override;
81    virtual void parseWebVTTFileHeader(InbandTextTrackPrivate*, String) override;
82
83    virtual void newCuesParsed() override;
84#if ENABLE(WEBVTT_REGIONS)
85    virtual void newRegionsParsed() override;
86#endif
87    virtual void fileFailedToParse() override;
88
89    GenericTextTrackCueMap m_cueMap;
90    std::unique_ptr<WebVTTParser> m_webVTTParser;
91};
92
93} // namespace WebCore
94
95#endif
96#endif
97