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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/Length.h>
#include <LibWeb/CSS/PercentageOr.h>
namespace Web::CSS {
class Size {
public:
enum class Type {
Auto,
Calculated,
Length,
Percentage,
MinContent,
MaxContent,
FitContent,
None, // NOTE: This is only valid for max-width and max-height.
};
static Size make_auto();
static Size make_px(CSSPixels);
static Size make_length(Length);
static Size make_percentage(Percentage);
static Size make_calculated(NonnullRefPtr<CalculatedStyleValue>);
static Size make_min_content();
static Size make_max_content();
static Size make_fit_content(Length available_space);
static Size make_none();
bool is_auto() const { return m_type == Type::Auto; }
bool is_calculated() const { return m_type == Type::Calculated; }
bool is_length() const { return m_type == Type::Length; }
bool is_percentage() const { return m_type == Type::Percentage; }
bool is_min_content() const { return m_type == Type::MinContent; }
bool is_max_content() const { return m_type == Type::MaxContent; }
bool is_fit_content() const { return m_type == Type::FitContent; }
bool is_none() const { return m_type == Type::None; }
// FIXME: This is a stopgap API that will go away once all layout code is aware of CSS::Size.
CSS::Length resolved(Layout::Node const&, Length const& reference_value) const;
bool contains_percentage() const;
CalculatedStyleValue const& calculated() const
{
VERIFY(is_calculated());
return m_length_percentage.calculated();
}
CSS::Length const& length() const
{
VERIFY(is_length());
return m_length_percentage.length();
}
CSS::Percentage const& percentage() const
{
VERIFY(is_percentage());
return m_length_percentage.percentage();
}
CSS::Length const& fit_content_available_space() const
{
VERIFY(is_fit_content());
return m_length_percentage.length();
}
ErrorOr<String> to_string() const;
private:
Size(Type type, LengthPercentage);
Type m_type {};
CSS::LengthPercentage m_length_percentage;
};
}
template<>
struct AK::Formatter<Web::CSS::Size> : Formatter<StringView> {
ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Size const& size)
{
return Formatter<StringView>::format(builder, TRY(size.to_string()));
}
};
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