| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_AUDIO_TRACK_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_AUDIO_TRACK_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/html/track/track_base.h" |
| #include "third_party/blink/renderer/platform/bindings/script_wrappable.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class CORE_EXPORT AudioTrack final : public ScriptWrappable, public TrackBase { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| AudioTrack(const String& id, |
| const AtomicString& kind, |
| const AtomicString& label, |
| const AtomicString& language, |
| bool enabled); |
| ~AudioTrack() override; |
| void Trace(Visitor*) const override; |
| |
| bool enabled() const { return enabled_; } |
| void setEnabled(bool); |
| |
| // Valid kind keywords. |
| static const AtomicString& AlternativeKeyword(); |
| static const AtomicString& DescriptionsKeyword(); |
| static const AtomicString& MainKeyword(); |
| static const AtomicString& MainDescriptionsKeyword(); |
| static const AtomicString& TranslationKeyword(); |
| static const AtomicString& CommentaryKeyword(); |
| |
| static bool IsValidKindKeyword(const String&); |
| |
| private: |
| bool enabled_; |
| }; |
| |
| template <> |
| struct DowncastTraits<AudioTrack> { |
| static bool AllowFrom(const TrackBase& track) { |
| return track.GetType() == WebMediaPlayer::kAudioTrack; |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_AUDIO_TRACK_H_ |