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// 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 "third_party/blink/renderer/core/html/track/audio_track.h"
#include "third_party/blink/renderer/core/html/media/html_media_element.h"
namespace blink {
AudioTrack::AudioTrack(const String& id,
const AtomicString& kind,
const AtomicString& label,
const AtomicString& language,
bool enabled)
: TrackBase(WebMediaPlayer::kAudioTrack,
IsValidKindKeyword(kind) ? kind : g_empty_atom,
label,
language,
id),
enabled_(enabled) {}
AudioTrack::~AudioTrack() = default;
void AudioTrack::Trace(Visitor* visitor) {
ScriptWrappable::Trace(visitor);
TrackBase::Trace(visitor);
}
void AudioTrack::setEnabled(bool enabled) {
if (enabled == enabled_)
return;
enabled_ = enabled;
if (MediaElement())
MediaElement()->AudioTrackChanged(this);
}
const AtomicString& AudioTrack::AlternativeKeyword() {
DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative"));
return keyword;
}
const AtomicString& AudioTrack::DescriptionsKeyword() {
DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("descriptions"));
return keyword;
}
const AtomicString& AudioTrack::MainKeyword() {
DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main"));
return keyword;
}
const AtomicString& AudioTrack::MainDescriptionsKeyword() {
DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main-desc"));
return keyword;
}
const AtomicString& AudioTrack::TranslationKeyword() {
DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("translation"));
return keyword;
}
const AtomicString& AudioTrack::CommentaryKeyword() {
DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("commentary"));
return keyword;
}
bool AudioTrack::IsValidKindKeyword(const String& kind) {
return kind == AlternativeKeyword() || kind == DescriptionsKeyword() ||
kind == MainKeyword() || kind == MainDescriptionsKeyword() ||
kind == TranslationKeyword() || kind == CommentaryKeyword() ||
kind == g_empty_atom;
}
} // namespace blink
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