106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/*
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* Copyright (C) 2012-2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "TrackPrivateBase.h"
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#include <wtf/Function.h>
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#if ENABLE(VIDEO)
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namespace WebCore {
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class AudioTrackPrivate;
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class AudioTrackPrivateClient : public TrackPrivateBaseClient {
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public:
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virtual void enabledChanged(bool) = 0;
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};
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class AudioTrackPrivate : public TrackPrivateBase {
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public:
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static Ref<AudioTrackPrivate> create()
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{
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return adoptRef(*new AudioTrackPrivate);
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}
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void setClient(AudioTrackPrivateClient* client) { m_client = client; }
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AudioTrackPrivateClient* client() const override { return m_client; }
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virtual void setEnabled(bool enabled)
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{
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if (m_enabled == enabled)
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return;
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m_enabled = enabled;
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if (m_client)
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m_client->enabledChanged(enabled);
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if (m_enabledChangedCallback)
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m_enabledChangedCallback(*this, m_enabled);
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}
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bool enabled() const { return m_enabled; }
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enum Kind { Alternative, Description, Main, MainDesc, Translation, Commentary, None };
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virtual Kind kind() const { return None; }
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virtual bool isBackedByMediaStreamTrack() const { return false; }
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using EnabledChangedCallback = Function<void(AudioTrackPrivate&, bool enabled)>;
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void setEnabledChangedCallback(EnabledChangedCallback&& callback) { m_enabledChangedCallback = WTFMove(callback); }
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#if !RELEASE_LOG_DISABLED
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const char* logClassName() const override { return "AudioTrackPrivate"; }
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#endif
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protected:
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AudioTrackPrivate() = default;
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private:
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AudioTrackPrivateClient* m_client { nullptr };
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bool m_enabled { false };
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EnabledChangedCallback m_enabledChangedCallback;
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};
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} // namespace WebCore
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namespace WTF {
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template<> struct EnumTraits<WebCore::AudioTrackPrivate::Kind> {
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using values = EnumValues<
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WebCore::AudioTrackPrivate::Kind,
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WebCore::AudioTrackPrivate::Kind::Alternative,
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WebCore::AudioTrackPrivate::Kind::Description,
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WebCore::AudioTrackPrivate::Kind::Main,
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WebCore::AudioTrackPrivate::Kind::MainDesc,
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WebCore::AudioTrackPrivate::Kind::Translation,
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WebCore::AudioTrackPrivate::Kind::Commentary,
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WebCore::AudioTrackPrivate::Kind::None
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>;
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};
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} // namespace WTF
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#endif
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