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9808d35554
This patch implements basic support for presentational hints, which are old-school HTML attributes that affect style. You add support for a presentational hint attribute by overriding Element::apply_presentational_hints(StyleProperties&) and setting all of the corresponding CSS properties as appropriate. To make the background color fill the entire document, not just the bounds of the <body> element's LayoutNode, we special-case it in the HtmlView::paint_event() code for now. I'm not entirely sure what the nicest solution would be, but I'm sure we'll discover it eventually.
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#pragma once
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#include <AK/String.h>
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#include <LibHTML/DOM/ParentNode.h>
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class Attribute {
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public:
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Attribute(const String& name, const String& value)
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: m_name(name)
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, m_value(value)
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{
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}
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const String& name() const { return m_name; }
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const String& value() const { return m_value; }
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void set_value(const String& value) { m_value = value; }
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private:
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String m_name;
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String m_value;
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};
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class Element : public ParentNode {
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public:
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Element(Document&, const String& tag_name);
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virtual ~Element() override;
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virtual String tag_name() const override { return m_tag_name; }
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String attribute(const String& name) const;
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void set_attribute(const String& name, const String& value);
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void set_attributes(Vector<Attribute>&&);
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template<typename Callback>
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void for_each_attribute(Callback callback) const
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{
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for (auto& attribute : m_attributes)
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callback(attribute.name(), attribute.value());
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}
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bool has_class(const StringView&) const;
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virtual void apply_presentational_hints(StyleProperties&) const {}
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private:
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Attribute* find_attribute(const String& name);
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const Attribute* find_attribute(const String& name) const;
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String m_tag_name;
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Vector<Attribute> m_attributes;
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};
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