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LibHTML: Add a per-attribute callback for Elements to parse attributes

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Elements now have a virtual parse_attribute(name, value) callback that
gets invoked for each one of its attributes.
This commit is contained in:
Andreas Kling 2019-10-06 10:09:55 +02:00
parent 306b9dfb51
commit 772718b8d8
2 changed files with 10 additions and 0 deletions
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9
Libraries/LibHTML/DOM/Element.cpp
View file

@ -44,11 +44,16 @@ void Element::set_attribute(const String& name, const String& value)
attribute->set_value(value); attribute->set_value(value);
else else
m_attributes.empend(name, value); m_attributes.empend(name, value);
parse_attribute(name, value);
} }
void Element::set_attributes(Vector<Attribute>&& attributes) void Element::set_attributes(Vector<Attribute>&& attributes)
{ {
m_attributes = move(attributes); m_attributes = move(attributes);
for (auto& attribute : m_attributes)
parse_attribute(attribute.name(), attribute.value());
} }
bool Element::has_class(const StringView& class_name) const bool Element::has_class(const StringView& class_name) const
@ -80,3 +85,7 @@ RefPtr<LayoutNode> Element::create_layout_node(const StyleResolver& resolver, co
ASSERT_NOT_REACHED(); ASSERT_NOT_REACHED();
} }
void Element::parse_attribute(const String&, const String&)
{
}

1
Libraries/LibHTML/DOM/Element.h
View file

@ -43,6 +43,7 @@ public:
bool has_class(const StringView&) const; bool has_class(const StringView&) const;
virtual void apply_presentational_hints(StyleProperties&) const {} virtual void apply_presentational_hints(StyleProperties&) const {}
virtual void parse_attribute(const String& name, const String& value);
private: private:
RefPtr<LayoutNode> create_layout_node(const StyleResolver&, const StyleProperties* parent_properties) const override; RefPtr<LayoutNode> create_layout_node(const StyleResolver&, const StyleProperties* parent_properties) const override;