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LibWeb: Implement new StyleValueList

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StyleValueList is a list of StyleValues of the same type, for use in
properties like `margin` which accept a variable number of arguments.

I had originally hoped to simply swap the old ValueListStyleValue from
being a list of ComponentValues to one of StyleValues, but I can see now
that I will need to have both for a little while, so renamed the old
is_value_list() to is_component_value_list() temporarily.
This commit is contained in:
Sam Atkins 2021-08-06 11:02:42 +01:00 • committed by Andreas Kling
parent 81527f5eba
commit 21c9825caf
3 changed files with 50 additions and 19 deletions
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33
Userland/Libraries/LibWeb/CSS/StyleValue.h
View file

@ -227,6 +227,7 @@ public:
CustomProperty,
Numeric,
ValueList,
ComponentValueList,
Calculated,
BoxShadow,
};
@ -243,8 +244,9 @@ public:
bool is_custom_property() const { return type() == Type::CustomProperty; }
bool is_numeric() const { return type() == Type::Numeric; }
bool is_value_list() const { return type() == Type::ValueList; }
bool is_box_shadow() const { return type() == Type::BoxShadow; }
bool is_component_value_list() const { return type() == Type::ComponentValueList; }
bool is_calculated() const { return type() == Type::Calculated; }
bool is_box_shadow() const { return type() == Type::BoxShadow; }
bool is_builtin() const { return is_inherit() || is_initial(); }
@ -621,6 +623,35 @@ private:
RefPtr<Gfx::Bitmap> m_bitmap;
};
class StyleValueList final : public StyleValue {
public:
static NonnullRefPtr<StyleValueList> create(NonnullRefPtrVector<StyleValue>&& values) { return adopt_ref(*new StyleValueList(move(values))); }
NonnullRefPtrVector<StyleValue> const& values() const { return m_values; }
virtual String to_string() const
{
StringBuilder builder;
builder.appendff("List[{}](", m_values.size());
for (size_t i = 0; i < m_values.size(); ++i) {
if (i)
builder.append(',');
builder.append(m_values[i].to_string());
}
builder.append(')');
return builder.to_string();
}
private:
StyleValueList(NonnullRefPtrVector<StyleValue>&& values)
: StyleValue(Type::ValueList)
, m_values(move(values))
{
}
NonnullRefPtrVector<StyleValue> m_values;
};
class ValueListStyleValue final : public StyleValue {
public:
static NonnullRefPtr<ValueListStyleValue> create(Vector<StyleComponentValueRule>&& values) { return adopt_ref(*new ValueListStyleValue(move(values))); }