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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/NonnullRefPtr.h>
#include <LibGfx/Font.h>
#include <LibGfx/Forward.h>
#include <LibWeb/CSS/LengthBox.h>
#include <LibWeb/CSS/StyleValue.h>
namespace Web::CSS {
class StyleProperties : public RefCounted<StyleProperties> {
public:
StyleProperties();
explicit StyleProperties(const StyleProperties&);
static NonnullRefPtr<StyleProperties> create() { return adopt(*new StyleProperties); }
NonnullRefPtr<StyleProperties> clone() const;
template<typename Callback>
inline void for_each_property(Callback callback) const
{
for (auto& it : m_property_values)
callback((CSS::PropertyID)it.key, *it.value);
}
void set_property(CSS::PropertyID, NonnullRefPtr<StyleValue> value);
void set_property(CSS::PropertyID, const StringView&);
Optional<NonnullRefPtr<StyleValue>> property(CSS::PropertyID) const;
Length length_or_fallback(CSS::PropertyID, const Length& fallback) const;
LengthBox length_box(CSS::PropertyID left_id, CSS::PropertyID top_id, CSS::PropertyID right_id, CSS::PropertyID bottom_id, const CSS::Length& default_value) const;
String string_or_fallback(CSS::PropertyID, const StringView& fallback) const;
Color color_or_fallback(CSS::PropertyID, const DOM::Document&, Color fallback) const;
Optional<CSS::TextAlign> text_align() const;
CSS::Display display() const;
Optional<CSS::Float> float_() const;
Optional<CSS::Clear> clear() const;
Optional<CSS::Cursor> cursor() const;
Optional<CSS::WhiteSpace> white_space() const;
Optional<CSS::LineStyle> line_style(CSS::PropertyID) const;
Optional<CSS::TextDecorationLine> text_decoration_line() const;
Optional<CSS::TextTransform> text_transform() const;
Optional<CSS::ListStyleType> list_style_type() const;
Optional<CSS::FlexDirection> flex_direction() const;
Optional<CSS::Overflow> overflow_x() const;
Optional<CSS::Overflow> overflow_y() const;
Optional<CSS::Repeat> background_repeat_x() const;
Optional<CSS::Repeat> background_repeat_y() const;
const Gfx::Font& font() const
{
if (!m_font)
load_font();
return *m_font;
}
float line_height(const Layout::Node&) const;
bool operator==(const StyleProperties&) const;
bool operator!=(const StyleProperties& other) const { return !(*this == other); }
Optional<CSS::Position> position() const;
Optional<int> z_index() const;
private:
HashMap<unsigned, NonnullRefPtr<StyleValue>> m_property_values;
Optional<CSS::Overflow> overflow(CSS::PropertyID) const;
void load_font() const;
mutable RefPtr<Gfx::Font> m_font;
};
}
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