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LibWeb: Use the specified CSS values from element in more places

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Instead of using the specified style stored on Layout::Node, use the
specified CSS values kept by the DOM::Element in more places.
This commit is contained in:
Andreas Kling 2021-01-06 12:44:58 +01:00
parent 63046d82f4
commit 981758a8b1
Notes: sideshowbarker 2024-07-19 00:04:40 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/981758a8b10
2 changed files with 14 additions and 13 deletions
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23
Libraries/LibWeb/DOM/Element.cpp
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@ -198,14 +198,12 @@ void Element::recompute_style()
{
set_needs_style_update(false);
ASSERT(parent());
auto* parent_layout_node = parent()->layout_node();
if (!parent_layout_node)
return;
ASSERT(parent_layout_node);
auto style = document().style_resolver().resolve_style(*this, &parent_layout_node->specified_style());
m_specified_css_values = style;
auto old_specified_css_values = m_specified_css_values;
auto* parent_specified_css_values = parent()->is_element() ? downcast<Element>(*parent()).specified_css_values() : nullptr;
auto new_specified_css_values = document().style_resolver().resolve_style(*this, parent_specified_css_values);
m_specified_css_values = new_specified_css_values;
if (!layout_node()) {
if (style->display() == CSS::Display::None)
if (new_specified_css_values->display() == CSS::Display::None)
return;
// We need a new layout tree here!
Layout::TreeBuilder tree_builder;
@ -217,11 +215,13 @@ void Element::recompute_style()
if (is<Layout::WidgetBox>(layout_node()))
return;
auto diff = compute_style_difference(layout_node()->specified_style(), *style, document());
auto diff = StyleDifference::NeedsRelayout;
if (old_specified_css_values)
diff = compute_style_difference(*old_specified_css_values, *new_specified_css_values, document());
if (diff == StyleDifference::None)
return;
layout_node()->set_specified_style(*style);
layout_node()->apply_style(*style);
layout_node()->set_specified_style(*new_specified_css_values);
layout_node()->apply_style(*new_specified_css_values);
if (diff == StyleDifference::NeedsRelayout) {
document().force_layout();
return;
@ -233,6 +233,7 @@ void Element::recompute_style()
NonnullRefPtr<CSS::StyleProperties> Element::computed_style()
{
// FIXME: This implementation is not doing anything it's supposed to.
auto properties = m_specified_css_values->clone();
if (layout_node() && layout_node()->has_style()) {
CSS::PropertyID box_model_metrics[] = {
@ -250,7 +251,7 @@ NonnullRefPtr<CSS::StyleProperties> Element::computed_style()
CSS::PropertyID::BorderRightWidth,
};
for (CSS::PropertyID id : box_model_metrics) {
auto prop = layout_node()->specified_style().property(id);
auto prop = m_specified_css_values->property(id);
if (prop.has_value())
properties->set_property(id, prop.value());
}

4
Libraries/LibWeb/Dump.cpp
View file

@ -242,13 +242,13 @@ void dump_tree(StringBuilder& builder, const Layout::Node& layout_node, bool sho
}
}
if (show_specified_style) {
if (show_specified_style && layout_node.dom_node() && layout_node.dom_node()->is_element() && downcast<DOM::Element>(layout_node.dom_node())->specified_css_values()) {
struct NameAndValue {
String name;
String value;
};
Vector<NameAndValue> properties;
layout_node.specified_style().for_each_property([&](auto property_id, auto& value) {
downcast<DOM::Element>(*layout_node.dom_node()).specified_css_values()->for_each_property([&](auto property_id, auto& value) {
properties.append({ CSS::string_from_property_id(property_id), value.to_string() });
});
quick_sort(properties, [](auto& a, auto& b) { return a.name < b.name; });