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LibWeb: Implement and use OverflowStyleValue

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Also added a test page for the `overflow` properties. They apparently
don't work, but at least they do parse.
This commit is contained in:
Sam Atkins 2021-08-09 14:54:40 +01:00 • committed by Andreas Kling
parent 168865dbdc
commit e6c0cb5a7f
6 changed files with 268 additions and 2 deletions
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30
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -237,6 +237,7 @@ public:
FlexFlow,
Font,
ListStyle,
Overflow,
TextDecoration,
};
@ -262,6 +263,7 @@ public:
bool is_flex_flow() const { return type() == Type::FlexFlow; }
bool is_font() const { return type() == Type::Font; }
bool is_list_style() const { return type() == Type::ListStyle; }
bool is_overflow() const { return type() == Type::Overflow; }
bool is_text_decoration() const { return type() == Type::TextDecoration; }
bool is_builtin() const { return is_inherit() || is_initial(); }
@ -902,6 +904,34 @@ private:
NonnullRefPtr<StyleValue> m_style_type;
};
class OverflowStyleValue final : public StyleValue {
public:
static NonnullRefPtr<OverflowStyleValue> create(NonnullRefPtr<StyleValue> overflow_x, NonnullRefPtr<StyleValue> overflow_y)
{
return adopt_ref(*new OverflowStyleValue(overflow_x, overflow_y));
}
virtual ~OverflowStyleValue() override { }
NonnullRefPtr<StyleValue> overflow_x() const { return m_overflow_x; }
NonnullRefPtr<StyleValue> overflow_y() const { return m_overflow_y; }
virtual String to_string() const override
{
return String::formatted("{} {}", m_overflow_x->to_string(), m_overflow_y->to_string());
}
private:
OverflowStyleValue(NonnullRefPtr<StyleValue> overflow_x, NonnullRefPtr<StyleValue> overflow_y)
: StyleValue(Type::Overflow)
, m_overflow_x(overflow_x)
, m_overflow_y(overflow_y)
{
}
NonnullRefPtr<StyleValue> m_overflow_x;
NonnullRefPtr<StyleValue> m_overflow_y;
};
class TextDecorationStyleValue final : public StyleValue {
public:
static NonnullRefPtr<TextDecorationStyleValue> create(