Source/WebCore/Modules/mediastream/MediaConstraintsImpl.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * 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.
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 *    notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the
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 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */

#pragma once

#if ENABLE(MEDIA_STREAM)

#include "ExceptionBase.h"
#include "MediaConstraints.h"
#include <wtf/Vector.h>

namespace WebCore {

struct MediaConstraintsData {
    MediaConstraintsData() = default;
    MediaConstraintsData(MediaTrackConstraintSetMap&& mandatoryConstraints, Vector<MediaTrackConstraintSetMap>&& advancedConstraints, bool isValid)
        : mandatoryConstraints(WTFMove(mandatoryConstraints))
        , advancedConstraints(WTFMove(advancedConstraints))
        , isValid(isValid)
    {
    }

    MediaTrackConstraintSetMap mandatoryConstraints;
    Vector<MediaTrackConstraintSetMap> advancedConstraints;
    bool isValid { false };
};

class MediaConstraintsImpl final : public MediaConstraints {
public:
    static Ref<MediaConstraintsImpl> create(MediaTrackConstraintSetMap&& mandatoryConstraints, Vector<MediaTrackConstraintSetMap>&& advancedConstraints, bool isValid);
    WEBCORE_EXPORT static Ref<MediaConstraintsImpl> create(const MediaConstraintsData&);

    MediaConstraintsImpl() = default;
    virtual ~MediaConstraintsImpl() = default;

    const MediaTrackConstraintSetMap& mandatoryConstraints() const final { return m_data.mandatoryConstraints; }
    const Vector<MediaTrackConstraintSetMap>& advancedConstraints() const final { return m_data.advancedConstraints; }
    bool isValid() const final { return m_data.isValid; }
    const MediaConstraintsData& data() const { return m_data; }

private:
    MediaConstraintsImpl(MediaTrackConstraintSetMap&& mandatoryConstraints, Vector<MediaTrackConstraintSetMap>&& advancedConstraints, bool isValid)
        : m_data({ WTFMove(mandatoryConstraints), WTFMove(advancedConstraints), isValid })
    {
    }
    explicit MediaConstraintsImpl(const MediaConstraintsData& data)
        : m_data(data)
    {
    }

    MediaConstraintsData m_data;
};

} // namespace WebCore

#endif // ENABLE(MEDIA_STREAM)