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LibWeb: Implement CSS Time class

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This corresponds to `<time>` in the grammar.
This commit is contained in:
Sam Atkins 2022-02-21 19:29:43 +00:00 • committed by Andreas Kling
parent 0465abcfec
commit 608bfac2a9
9 changed files with 268 additions and 5 deletions
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47
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -30,6 +30,7 @@
#include <LibWeb/CSS/Percentage.h>
#include <LibWeb/CSS/PropertyID.h>
#include <LibWeb/CSS/Resolution.h>
#include <LibWeb/CSS/Time.h>
#include <LibWeb/CSS/ValueID.h>
#include <LibWeb/Forward.h>
#include <LibWeb/Loader/ImageResource.h>
@ -314,6 +315,7 @@ public:
Resolution,
String,
TextDecoration,
Time,
Transformation,
Unresolved,
Unset,
@ -348,6 +350,7 @@ public:
bool is_resolution() const { return type() == Type::Resolution; }
bool is_string() const { return type() == Type::String; }
bool is_text_decoration() const { return type() == Type::TextDecoration; }
bool is_time() const { return type() == Type::Time; }
bool is_transformation() const { return type() == Type::Transformation; }
bool is_unresolved() const { return type() == Type::Unresolved; }
bool is_unset() const { return type() == Type::Unset; }
@ -381,6 +384,7 @@ public:
ResolutionStyleValue const& as_resolution() const;
StringStyleValue const& as_string() const;
TextDecorationStyleValue const& as_text_decoration() const;
TimeStyleValue const& as_time() const;
TransformationStyleValue const& as_transformation() const;
UnresolvedStyleValue const& as_unresolved() const;
UnsetStyleValue const& as_unset() const;
@ -412,6 +416,7 @@ public:
ResolutionStyleValue& as_resolution() { return const_cast<ResolutionStyleValue&>(const_cast<StyleValue const&>(*this).as_resolution()); }
StringStyleValue& as_string() { return const_cast<StringStyleValue&>(const_cast<StyleValue const&>(*this).as_string()); }
TextDecorationStyleValue& as_text_decoration() { return const_cast<TextDecorationStyleValue&>(const_cast<StyleValue const&>(*this).as_text_decoration()); }
TimeStyleValue& as_time() { return const_cast<TimeStyleValue&>(const_cast<StyleValue const&>(*this).as_time()); }
TransformationStyleValue& as_transformation() { return const_cast<TransformationStyleValue&>(const_cast<StyleValue const&>(*this).as_transformation()); }
UnresolvedStyleValue& as_unresolved() { return const_cast<UnresolvedStyleValue&>(const_cast<StyleValue const&>(*this).as_unresolved()); }
UnsetStyleValue& as_unset() { return const_cast<UnsetStyleValue&>(const_cast<StyleValue const&>(*this).as_unset()); }
@ -740,11 +745,12 @@ public:
float value;
};
using PercentageBasis = Variant<Empty, Angle, Frequency, Length>;
using PercentageBasis = Variant<Empty, Angle, Frequency, Length, Time>;
class CalculationResult {
public:
CalculationResult(Variant<Number, Angle, Frequency, Length, Percentage> value)
using Value = Variant<Number, Angle, Frequency, Length, Percentage, Time>;
CalculationResult(Value value)
: m_value(move(value))
{
}
@ -753,11 +759,11 @@ public:
void multiply_by(CalculationResult const& other, Layout::Node const*);
void divide_by(CalculationResult const& other, Layout::Node const*);
Variant<Number, Angle, Frequency, Length, Percentage> const& value() const { return m_value; }
Value const& value() const { return m_value; }
private:
void add_or_subtract_internal(SumOperation op, CalculationResult const& other, Layout::Node const*, PercentageBasis const& percentage_basis);
Variant<Number, Angle, Frequency, Length, Percentage> m_value;
Value m_value;
};
struct CalcSum;
@ -777,7 +783,7 @@ public:
};
struct CalcValue {
Variant<Number, Angle, Frequency, Length, Percentage, NonnullOwnPtr<CalcSum>> value;
Variant<Number, Angle, Frequency, Length, Percentage, Time, NonnullOwnPtr<CalcSum>> value;
String to_string() const;
Optional<ResolvedType> resolved_type() const;
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
@ -888,6 +894,8 @@ public:
Optional<Length> resolve_length(Layout::Node const& layout_node) const;
Optional<LengthPercentage> resolve_length_percentage(Layout::Node const&, Length const& percentage_basis) const;
Optional<Percentage> resolve_percentage() const;
Optional<Time> resolve_time() const;
Optional<TimePercentage> resolve_time_percentage(Time const& percentage_basis) const;
Optional<float> resolve_number();
Optional<i64> resolve_integer();
@ -1455,6 +1463,35 @@ private:
NonnullRefPtr<StyleValue> m_color;
};
class TimeStyleValue : public StyleValue {
public:
static NonnullRefPtr<TimeStyleValue> create(Time time)
{
return adopt_ref(*new TimeStyleValue(move(time)));
}
virtual ~TimeStyleValue() override { }
Time const& time() const { return m_time; }
virtual String to_string() const override { return m_time.to_string(); }
virtual bool equals(StyleValue const& other) const override
{
if (type() != other.type())
return false;
return m_time == static_cast<TimeStyleValue const&>(other).m_time;
}
private:
explicit TimeStyleValue(Time time)
: StyleValue(Type::Time)
, m_time(move(time))
{
}
Time m_time;
};
class TransformationStyleValue final : public StyleValue {
public:
static NonnullRefPtr<TransformationStyleValue> create(CSS::TransformFunction transform_function, NonnullRefPtrVector<StyleValue>&& values)