| 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 | |
| 34 | namespace WebCore { |
| 35 | |
| 36 | class GenericTextTrackCueMap { |
| 37 | public: |
| 38 | void add(GenericCueData&, TextTrackCueGeneric&); |
| 39 | |
| 40 | void remove(TextTrackCue&); |
| 41 | void remove(GenericCueData&); |
| 42 | |
| 43 | GenericCueData* find(TextTrackCue&); |
| 44 | TextTrackCueGeneric* find(GenericCueData&); |
| 45 | |
| 46 | private: |
| 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 | |
| 54 | class InbandGenericTextTrack final : public InbandTextTrack, private WebVTTParserClient { |
| 55 | WTF_MAKE_ISO_ALLOCATED(InbandGenericTextTrack); |
| 56 | public: |
| 57 | static Ref<InbandGenericTextTrack> create(ScriptExecutionContext&, TextTrackClient&, InbandTextTrackPrivate&); |
| 58 | virtual ~InbandGenericTextTrack(); |
| 59 | |
| 60 | private: |
| 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 | |