/* * Copyright (C) 2016-2019 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. 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 "DOMRectInit.h" #include "ScriptWrappable.h" #include <wtf/IsoMalloc.h> #include <wtf/MathExtras.h> #include <wtf/Ref.h> #include <wtf/RefCounted.h> namespace WebCore { class DOMRectReadOnly : public ScriptWrappable, public RefCounted<DOMRectReadOnly> { WTF_MAKE_ISO_ALLOCATED_EXPORT(DOMRectReadOnly, WEBCORE_EXPORT); public: static Ref<DOMRectReadOnly> create(double x, double y, double width, double height) { return adoptRef(*new DOMRectReadOnly(x, y, width, height)); } static Ref<DOMRectReadOnly> fromRect(const DOMRectInit& init) { return create(init.x, init.y, init.width, init.height); } double x() const { return m_x; } double y() const { return m_y; } double width() const { return m_width; } double height() const { return m_height; } // Model NaN handling after Math.min, Math.max. double top() const { return WTF::nanPropagatingMin(m_y, m_y + m_height); } double right() const { return WTF::nanPropagatingMax(m_x, m_x + m_width); } double bottom() const { return WTF::nanPropagatingMax(m_y, m_y + m_height); } double left() const { return WTF::nanPropagatingMin(m_x, m_x + m_width); } protected: DOMRectReadOnly(double x, double y, double width, double height) : m_x(x) , m_y(y) , m_width(width) , m_height(height) { } DOMRectReadOnly() = default; // Any of these can be NaN or Inf. double m_x { 0 }; double m_y { 0 }; double m_width { 0 }; // Can be negative. double m_height { 0 }; // Can be negative. }; }