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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/ComputedCSSStyleDeclaration.h>
#include <LibWeb/CSS/StyleResolver.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
namespace Web::CSS {
ComputedCSSStyleDeclaration::ComputedCSSStyleDeclaration(DOM::Element& element)
: m_element(element)
{
}
ComputedCSSStyleDeclaration::~ComputedCSSStyleDeclaration()
{
}
size_t ComputedCSSStyleDeclaration::length() const
{
return 0;
}
String ComputedCSSStyleDeclaration::item(size_t index) const
{
(void)index;
return {};
}
static CSS::ValueID to_css_value_id(CSS::Display value)
{
switch (value) {
case CSS::Display::None:
return CSS::ValueID::None;
case CSS::Display::Block:
return CSS::ValueID::Block;
case CSS::Display::Inline:
return CSS::ValueID::Inline;
case CSS::Display::InlineBlock:
return CSS::ValueID::InlineBlock;
case CSS::Display::ListItem:
return CSS::ValueID::ListItem;
case CSS::Display::Table:
return CSS::ValueID::Table;
case CSS::Display::TableRow:
return CSS::ValueID::TableRow;
case CSS::Display::TableCell:
return CSS::ValueID::TableCell;
case CSS::Display::TableHeaderGroup:
return CSS::ValueID::TableHeaderGroup;
case CSS::Display::TableRowGroup:
return CSS::ValueID::TableRowGroup;
case CSS::Display::TableFooterGroup:
return CSS::ValueID::TableFooterGroup;
case CSS::Display::TableColumn:
return CSS::ValueID::TableColumn;
case CSS::Display::TableColumnGroup:
return CSS::ValueID::TableColumnGroup;
case CSS::Display::TableCaption:
return CSS::ValueID::TableCaption;
case CSS::Display::Flex:
return CSS::ValueID::Flex;
}
VERIFY_NOT_REACHED();
}
Optional<StyleProperty> ComputedCSSStyleDeclaration::property(PropertyID property_id) const
{
const_cast<DOM::Document&>(m_element->document()).force_layout();
if (!m_element->layout_node()) {
auto style = m_element->document().style_resolver().resolve_style(const_cast<DOM::Element&>(*m_element));
if (auto maybe_property = style->property(property_id); maybe_property.has_value()) {
return StyleProperty {
.property_id = property_id,
.value = maybe_property.release_value(),
};
}
return {};
}
auto& layout_node = *m_element->layout_node();
switch (property_id) {
case CSS::PropertyID::Color:
return StyleProperty {
.property_id = property_id,
.value = ColorStyleValue::create(layout_node.computed_values().color()),
};
case CSS::PropertyID::Display: {
return StyleProperty {
.property_id = property_id,
.value = IdentifierStyleValue::create(to_css_value_id(layout_node.computed_values().display())),
};
}
default:
return {};
}
}
bool ComputedCSSStyleDeclaration::set_property(PropertyID, StringView)
{
return false;
}
}
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