Source/WebCore/Modules/webvr/VRStageParameters.h

/*
 * Copyright (C) 2017 Igalia S.L. 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. AND ITS CONTRIBUTORS ``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 ITS 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 "TransformationMatrix.h"

#include <JavaScriptCore/Float32Array.h>
#include <wtf/RefPtr.h>

namespace WebCore {

class VRStageParameters : public RefCounted<VRStageParameters> {
public:
    static RefPtr<VRStageParameters> create(const Optional<TransformationMatrix>& sittingToStandingTransform, const Optional<FloatSize>& playAreaBounds)
    {
        if (!sittingToStandingTransform || !playAreaBounds)
            return nullptr;

        return adoptRef(*new VRStageParameters(sittingToStandingTransform.value(), playAreaBounds.value()));
    }

    Ref<Float32Array> sittingToStandingTransform() const;

    float sizeX() const;
    float sizeZ() const;

private:
    VRStageParameters(const TransformationMatrix& sittingToStandingTransform, const FloatSize& playAreaBounds);

    FloatSize m_playAreaBounds;
    TransformationMatrix m_sittingToStandingTransform;
};

} // namespace WebCore