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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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 <WebCore/StylePrimitiveNumericTypes.h>
namespace WebCore {
namespace Style {
// <'zoom'> = <number [0,∞]> | <percentage [0,∞]> | normal
// NOTE: `normal` is non-standard and gets resolved to `1` at style building time.
// https://drafts.csswg.org/css-viewport/#propdef-zoom
struct Zoom {
using Value = NumberOrPercentageResolvedToNumber<CSS::Nonnegative, CSS::Nonnegative, float>;
using Number = Value::Number;
using Percentage = Value::Percentage;
Value value;
constexpr Zoom(Value value) : value { value } { }
constexpr Zoom(Number number) : value { number } { }
constexpr Zoom(Percentage percentage) : value { percentage } { }
constexpr Zoom(typename Number::ResolvedValueType value) : value { value } { }
constexpr Zoom(CSS::ValueLiteral<CSS::NumberUnit::Number> literal) : value { literal } { }
constexpr Zoom(CSS::ValueLiteral<CSS::PercentageUnit::Percentage> literal) : value { literal } { }
constexpr bool isZero() const { return value.isZero(); }
constexpr bool operator==(const Zoom&) const = default;
constexpr bool operator==(typename Number::ResolvedValueType other) const { return value == other; };
};
DEFINE_TYPE_WRAPPER_GET(Zoom, value)
} // namespace Style
} // namespace WebCore
DEFINE_TUPLE_LIKE_CONFORMANCE_FOR_TYPE_WRAPPER(WebCore::Style::Zoom)
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