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/*
* Copyright (C) 2012-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "AudioTrackPrivateClient.h"
#include "PlatformAudioTrackConfiguration.h"
#include "TrackPrivateBase.h"
#include <wtf/Function.h>
#if ENABLE(VIDEO)
namespace WebCore {
struct AudioInfo;
class AudioTrackPrivate : public TrackPrivateBase {
public:
static Ref<AudioTrackPrivate> create()
{
return adoptRef(*new AudioTrackPrivate);
}
void setClient(AudioTrackPrivateClient& client) { m_client = client; }
void clearClient() { m_client = nullptr; }
AudioTrackPrivateClient* client() const override { return m_client.get(); }
virtual void setEnabled(bool enabled)
{
if (m_enabled == enabled)
return;
m_enabled = enabled;
if (m_client)
m_client->enabledChanged(enabled);
if (m_enabledChangedCallback)
m_enabledChangedCallback(*this, m_enabled);
}
bool enabled() const { return m_enabled; }
enum Kind { Alternative, Description, Main, MainDesc, Translation, Commentary, None };
virtual Kind kind() const { return None; }
virtual bool isBackedByMediaStreamTrack() const { return false; }
using EnabledChangedCallback = Function<void(AudioTrackPrivate&, bool enabled)>;
void setEnabledChangedCallback(EnabledChangedCallback&& callback) { m_enabledChangedCallback = WTFMove(callback); }
const PlatformAudioTrackConfiguration& configuration() const { return m_configuration; }
void setConfiguration(PlatformAudioTrackConfiguration&& configuration)
{
if (configuration == m_configuration)
return;
m_configuration = WTFMove(configuration);
if (m_client)
m_client->configurationChanged(m_configuration);
}
virtual void setFormatDescription(Ref<AudioInfo>&&) { }
bool operator==(const AudioTrackPrivate& track) const
{
return TrackPrivateBase::operator==(track)
&& configuration() == track.configuration()
&& kind() == track.kind();
}
#if !RELEASE_LOG_DISABLED
const char* logClassName() const override { return "AudioTrackPrivate"; }
#endif
Type type() const final { return Type::Audio; }
protected:
AudioTrackPrivate() = default;
private:
WeakPtr<AudioTrackPrivateClient> m_client;
bool m_enabled { false };
PlatformAudioTrackConfiguration m_configuration;
EnabledChangedCallback m_enabledChangedCallback;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AudioTrackPrivate)
static bool isType(const WebCore::TrackPrivateBase& track) { return track.type() == WebCore::TrackPrivateBase::Type::Audio; }
SPECIALIZE_TYPE_TRAITS_END()
namespace WTF {
template<> struct EnumTraits<WebCore::AudioTrackPrivate::Kind> {
using values = EnumValues<
WebCore::AudioTrackPrivate::Kind,
WebCore::AudioTrackPrivate::Kind::Alternative,
WebCore::AudioTrackPrivate::Kind::Description,
WebCore::AudioTrackPrivate::Kind::Main,
WebCore::AudioTrackPrivate::Kind::MainDesc,
WebCore::AudioTrackPrivate::Kind::Translation,
WebCore::AudioTrackPrivate::Kind::Commentary,
WebCore::AudioTrackPrivate::Kind::None
>;
};
} // namespace WTF
#endif
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