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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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 <AK/Optional.h>
#include <LibWeb/CSS/LengthBox.h>
#include <LibWeb/CSS/StyleValue.h>
namespace Web::CSS {
class InitialValues {
public:
static CSS::Float float_() { return CSS::Float::None; }
static CSS::Clear clear() { return CSS::Clear::None; }
static CSS::WhiteSpace white_space() { return CSS::WhiteSpace::Normal; }
static CSS::TextAlign text_align() { return CSS::TextAlign::Left; }
static CSS::Position position() { return CSS::Position::Static; }
static CSS::TextDecorationLine text_decoration_line() { return CSS::TextDecorationLine::None; }
static CSS::TextTransform text_transform() { return CSS::TextTransform::None; }
static CSS::Display display() { return CSS::Display::Inline; }
static Color color() { return Color::Black; }
static Color background_color() { return Color::Transparent; }
static CSS::ListStyleType list_style_type() { return CSS::ListStyleType::Disc; }
static CSS::FlexDirection flex_direction() { return CSS::FlexDirection::Row; }
};
struct BorderData {
public:
Color color { Color::Transparent };
CSS::LineStyle line_style { CSS::LineStyle::None };
float width { 0 };
};
class ComputedValues {
public:
CSS::Float float_() const { return m_noninherited.float_; }
CSS::Clear clear() const { return m_noninherited.clear; }
CSS::Display display() const { return m_noninherited.display; }
Optional<int> z_index() const { return m_noninherited.z_index; }
CSS::TextAlign text_align() const { return m_inherited.text_align; }
CSS::TextDecorationLine text_decoration_line() const { return m_noninherited.text_decoration_line; }
CSS::TextTransform text_transform() const { return m_inherited.text_transform; }
CSS::Position position() const { return m_noninherited.position; }
CSS::WhiteSpace white_space() const { return m_inherited.white_space; }
CSS::FlexDirection flex_direction() const { return m_noninherited.flex_direction; }
const CSS::Length& width() const { return m_noninherited.width; }
const CSS::Length& min_width() const { return m_noninherited.min_width; }
const CSS::Length& max_width() const { return m_noninherited.max_width; }
const CSS::Length& height() const { return m_noninherited.height; }
const CSS::Length& min_height() const { return m_noninherited.min_height; }
const CSS::Length& max_height() const { return m_noninherited.max_height; }
const CSS::LengthBox& offset() const { return m_noninherited.offset; }
const CSS::LengthBox& margin() const { return m_noninherited.margin; }
const CSS::LengthBox& padding() const { return m_noninherited.padding; }
const BorderData& border_left() const { return m_noninherited.border_left; }
const BorderData& border_top() const { return m_noninherited.border_top; }
const BorderData& border_right() const { return m_noninherited.border_right; }
const BorderData& border_bottom() const { return m_noninherited.border_bottom; }
Color color() const { return m_inherited.color; }
Color background_color() const { return m_noninherited.background_color; }
CSS::ListStyleType list_style_type() const { return m_inherited.list_style_type; }
ComputedValues clone_inherited_values() const
{
ComputedValues clone;
clone.m_inherited = m_inherited;
return clone;
}
protected:
struct {
Color color { InitialValues::color() };
CSS::TextAlign text_align { InitialValues::text_align() };
CSS::TextTransform text_transform { InitialValues::text_transform() };
CSS::WhiteSpace white_space { InitialValues::white_space() };
CSS::ListStyleType list_style_type { InitialValues::list_style_type() };
} m_inherited;
struct {
CSS::Float float_ { InitialValues::float_() };
CSS::Clear clear { InitialValues::clear() };
CSS::Display display { InitialValues::display() };
Optional<int> z_index;
CSS::TextDecorationLine text_decoration_line { InitialValues::text_decoration_line() };
CSS::Position position { InitialValues::position() };
CSS::Length width;
CSS::Length min_width;
CSS::Length max_width;
CSS::Length height;
CSS::Length min_height;
CSS::Length max_height;
CSS::LengthBox offset;
CSS::LengthBox margin;
CSS::LengthBox padding;
BorderData border_left;
BorderData border_top;
BorderData border_right;
BorderData border_bottom;
Color background_color { InitialValues::background_color() };
CSS::FlexDirection flex_direction { InitialValues::flex_direction() };
} m_noninherited;
};
class ImmutableComputedValues final : public ComputedValues {
};
class MutableComputedValues final : public ComputedValues {
public:
void set_color(const Color& color) { m_inherited.color = color; }
void set_background_color(const Color& color) { m_noninherited.background_color = color; }
void set_float(CSS::Float value) { m_noninherited.float_ = value; }
void set_clear(CSS::Clear value) { m_noninherited.clear = value; }
void set_z_index(Optional<int> value) { m_noninherited.z_index = value; }
void set_text_align(CSS::TextAlign text_align) { m_inherited.text_align = text_align; }
void set_text_decoration_line(CSS::TextDecorationLine value) { m_noninherited.text_decoration_line = value; }
void set_text_transform(CSS::TextTransform value) { m_inherited.text_transform = value; }
void set_position(CSS::Position position) { m_noninherited.position = position; }
void set_white_space(CSS::WhiteSpace value) { m_inherited.white_space = value; }
void set_width(const CSS::Length& width) { m_noninherited.width = width; }
void set_min_width(const CSS::Length& width) { m_noninherited.min_width = width; }
void set_max_width(const CSS::Length& width) { m_noninherited.max_width = width; }
void set_height(const CSS::Length& height) { m_noninherited.height = height; }
void set_min_height(const CSS::Length& height) { m_noninherited.min_height = height; }
void set_max_height(const CSS::Length& height) { m_noninherited.max_height = height; }
void set_offset(const CSS::LengthBox& offset) { m_noninherited.offset = offset; }
void set_margin(const CSS::LengthBox& margin) { m_noninherited.margin = margin; }
void set_padding(const CSS::LengthBox& padding) { m_noninherited.padding = padding; }
void set_list_style_type(CSS::ListStyleType value) { m_inherited.list_style_type = value; }
void set_display(CSS::Display value) { m_noninherited.display = value; }
BorderData& border_left() { return m_noninherited.border_left; }
BorderData& border_top() { return m_noninherited.border_top; }
BorderData& border_right() { return m_noninherited.border_right; }
BorderData& border_bottom() { return m_noninherited.border_bottom; }
void set_flex_direction(CSS::FlexDirection value) { m_noninherited.flex_direction = value; }
};
}
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