| // 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. |
| |
| #include "core/html/track/AudioTrack.h" |
| |
| #include "core/html/HTMLMediaElement.h" |
| |
| namespace blink { |
| |
| AudioTrack::AudioTrack(const String& id, const AtomicString& kind, const AtomicString& label, const AtomicString& language, bool enabled) |
| : TrackBase(WebMediaPlayer::AudioTrack, label, language, id) |
| , m_enabled(enabled) |
| { |
| setKind(kind); |
| } |
| |
| AudioTrack::~AudioTrack() |
| { |
| } |
| |
| DEFINE_TRACE(AudioTrack) |
| { |
| TrackBase::trace(visitor); |
| } |
| |
| void AudioTrack::setEnabled(bool enabled) |
| { |
| if (enabled == m_enabled) |
| return; |
| |
| m_enabled = enabled; |
| |
| if (mediaElement()) |
| mediaElement()->audioTrackChanged(); |
| } |
| |
| const AtomicString& AudioTrack::alternativeKeyword() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative", AtomicString::ConstructFromLiteral)); |
| return keyword; |
| } |
| |
| const AtomicString& AudioTrack::descriptionsKeyword() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("descriptions", AtomicString::ConstructFromLiteral)); |
| return keyword; |
| } |
| |
| const AtomicString& AudioTrack::mainKeyword() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main", AtomicString::ConstructFromLiteral)); |
| return keyword; |
| } |
| |
| const AtomicString& AudioTrack::mainDescriptionsKeyword() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main-desc", AtomicString::ConstructFromLiteral)); |
| return keyword; |
| } |
| |
| const AtomicString& AudioTrack::translationKeyword() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("translation", AtomicString::ConstructFromLiteral)); |
| return keyword; |
| } |
| |
| const AtomicString& AudioTrack::commentaryKeyword() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("commentary", AtomicString::ConstructFromLiteral)); |
| return keyword; |
| } |
| |
| bool AudioTrack::isValidKindKeyword(const String& kind) |
| { |
| return (kind == alternativeKeyword()) |
| || (kind == descriptionsKeyword()) |
| || (kind == mainKeyword()) |
| || (kind == mainDescriptionsKeyword()) |
| || (kind == translationKeyword()) |
| || (kind == commentaryKeyword()) |
| || (kind == emptyAtom); |
| } |
| |
| AtomicString AudioTrack::defaultKind() const |
| { |
| return emptyAtom; |
| } |
| |
| } // namespace blink |