LibWeb: Stop passing Realm unnecessarily to parse CSS properties

Also use the parse_css_value() helper in cases where we previously
constructed a Parser manually.

Libraries/LibWeb/Animations/AnimationEffect.cpp

@@ -155,7 +155,7 @@ WebIDL::ExceptionOr<void> AnimationEffect::update_timing(OptionalEffectTiming ti
     //    [CSS-EASING-1], throw a TypeError and abort this procedure.
     RefPtr<CSS::CSSStyleValue const> easing_value;
     if (timing.easing.has_value()) {
-        easing_value = parse_easing_string(realm(), timing.easing.value());
+        easing_value = parse_easing_string(timing.easing.value());
         if (!easing_value)
             return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Invalid easing function"sv };
         VERIFY(easing_value->is_easing());
@@ -589,11 +589,9 @@ Optional<double> AnimationEffect::transformed_progress() const
     return m_timing_function.evaluate_at(directed_progress.value(), before_flag);
 }
 
-RefPtr<CSS::CSSStyleValue const> AnimationEffect::parse_easing_string(JS::Realm& realm, StringView value)
+RefPtr<CSS::CSSStyleValue const> AnimationEffect::parse_easing_string(StringView value)
 {
-    auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), value);
-
-    if (auto style_value = parser.parse_as_css_value(CSS::PropertyID::AnimationTimingFunction)) {
+    if (auto style_value = parse_css_value(CSS::Parser::ParsingContext(), value, CSS::PropertyID::AnimationTimingFunction)) {
         if (style_value->is_easing())
             return style_value;
     }

Libraries/LibWeb/Animations/AnimationEffect.h

@@ -65,7 +65,7 @@ class AnimationEffect : public Bindings::PlatformObject {
     GC_DECLARE_ALLOCATOR(AnimationEffect);
 
 public:
-    static RefPtr<CSS::CSSStyleValue const> parse_easing_string(JS::Realm& realm, StringView value);
+    static RefPtr<CSS::CSSStyleValue const> parse_easing_string(StringView value);
 
     EffectTiming get_timing() const;
     ComputedEffectTiming get_computed_timing() const;

Libraries/LibWeb/Animations/KeyframeEffect.cpp

@@ -542,9 +542,7 @@ static WebIDL::ExceptionOr<Vector<BaseKeyframe>> process_a_keyframes_argument(JS
             if (!property_id.has_value())
                 continue;
 
-            auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), value_string);
-
-            if (auto style_value = parser.parse_as_css_value(*property_id)) {
+            if (auto style_value = parse_css_value(CSS::Parser::ParsingContext(), value_string, *property_id)) {
                 // Handle 'initial' here so we don't have to get the default value of the property every frame in StyleComputer
                 if (style_value->is_initial())
                     style_value = CSS::property_initial_value(*property_id);
@@ -558,7 +556,7 @@ static WebIDL::ExceptionOr<Vector<BaseKeyframe>> process_a_keyframes_argument(JS
         //
         //    If parsing the "easing" property fails, throw a TypeError and abort this procedure.
         auto easing_string = keyframe.easing.get<String>();
-        auto easing_value = AnimationEffect::parse_easing_string(realm, easing_string);
+        auto easing_value = AnimationEffect::parse_easing_string(easing_string);
 
         if (!easing_value)
             return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("Invalid animation easing value: \"{}\"", easing_string)) };
@@ -570,7 +568,7 @@ static WebIDL::ExceptionOr<Vector<BaseKeyframe>> process_a_keyframes_argument(JS
     //    interface, and if any of the values fail to parse, throw a TypeError and abort this procedure.
     for (auto& unused_easing : unused_easings) {
         auto easing_string = unused_easing.get<String>();
-        auto easing_value = AnimationEffect::parse_easing_string(realm, easing_string);
+        auto easing_value = AnimationEffect::parse_easing_string(easing_string);
         if (!easing_value)
             return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("Invalid animation easing value: \"{}\"", easing_string)) };
     }

Libraries/LibWeb/CSS/CSS.cpp

@@ -22,14 +22,12 @@ WebIDL::ExceptionOr<String> escape(JS::VM&, StringView identifier)
 }
 
 // https://www.w3.org/TR/css-conditional-3/#dom-css-supports
-bool supports(JS::VM& vm, StringView property, StringView value)
+bool supports(JS::VM&, StringView property, StringView value)
 {
-    auto& realm = *vm.current_realm();
-
     // 1. If property is an ASCII case-insensitive match for any defined CSS property that the UA supports,
     //    and value successfully parses according to that property’s grammar, return true.
     if (auto property_id = property_id_from_string(property); property_id.has_value()) {
-        if (parse_css_value(Parser::ParsingContext { realm }, value, property_id.value()))
+        if (parse_css_value(Parser::ParsingContext {}, value, property_id.value()))
             return true;
     }
 

Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp

@@ -132,7 +132,7 @@ WebIDL::ExceptionOr<void> PropertyOwningCSSStyleDeclaration::set_property(String
     // 5. Let component value list be the result of parsing value for property property.
     auto component_value_list = is<ElementInlineCSSStyleDeclaration>(this)
         ? parse_css_value(CSS::Parser::ParsingContext { static_cast<ElementInlineCSSStyleDeclaration&>(*this).element()->document() }, value, property_id)
-        : parse_css_value(CSS::Parser::ParsingContext { realm() }, value, property_id);
+        : parse_css_value(CSS::Parser::ParsingContext {}, value, property_id);
 
     // 6. If component value list is null, then return.
     if (!component_value_list)

Libraries/LibWeb/CSS/FontFace.cpp

@@ -57,13 +57,6 @@ static NonnullRefPtr<Core::Promise<NonnullRefPtr<Gfx::Typeface>>> load_vector_fo
 
 GC_DEFINE_ALLOCATOR(FontFace);
 
-template<CSS::PropertyID PropertyID>
-RefPtr<CSSStyleValue const> parse_property_string(JS::Realm& realm, StringView value)
-{
-    auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), value);
-    return parser.parse_as_css_value(PropertyID);
-}
-
 // https://drafts.csswg.org/css-font-loading/#font-face-constructor
 GC::Ref<FontFace> FontFace::construct_impl(JS::Realm& realm, String family, FontFaceSource source, FontFaceDescriptors const& descriptors)
 {
@@ -213,7 +206,7 @@ GC::Ref<WebIDL::Promise> FontFace::loaded() const
 // https://drafts.csswg.org/css-font-loading/#dom-fontface-family
 WebIDL::ExceptionOr<void> FontFace::set_family(String const& string)
 {
-    auto property = parse_property_string<CSS::PropertyID::FontFamily>(realm(), string);
+    auto property = parse_css_value(Parser::ParsingContext(), string, CSS::PropertyID::FontFamily);
     if (!property)
         return WebIDL::SyntaxError::create(realm(), "FontFace.family setter: Invalid font descriptor"_string);
 
@@ -229,7 +222,7 @@ WebIDL::ExceptionOr<void> FontFace::set_family(String const& string)
 // https://drafts.csswg.org/css-font-loading/#dom-fontface-style
 WebIDL::ExceptionOr<void> FontFace::set_style(String const& string)
 {
-    auto property = parse_property_string<CSS::PropertyID::FontStyle>(realm(), string);
+    auto property = parse_css_value(Parser::ParsingContext(), string, CSS::PropertyID::FontStyle);
     if (!property)
         return WebIDL::SyntaxError::create(realm(), "FontFace.style setter: Invalid font descriptor"_string);
 
@@ -245,7 +238,7 @@ WebIDL::ExceptionOr<void> FontFace::set_style(String const& string)
 // https://drafts.csswg.org/css-font-loading/#dom-fontface-weight
 WebIDL::ExceptionOr<void> FontFace::set_weight(String const& string)
 {
-    auto property = parse_property_string<CSS::PropertyID::FontWeight>(realm(), string);
+    auto property = parse_css_value(Parser::ParsingContext(), string, CSS::PropertyID::FontWeight);
     if (!property)
         return WebIDL::SyntaxError::create(realm(), "FontFace.weight setter: Invalid font descriptor"_string);
 
@@ -262,7 +255,7 @@ WebIDL::ExceptionOr<void> FontFace::set_weight(String const& string)
 WebIDL::ExceptionOr<void> FontFace::set_stretch(String const& string)
 {
     // NOTE: font-stretch is now an alias for font-width
-    auto property = parse_property_string<CSS::PropertyID::FontWidth>(realm(), string);
+    auto property = parse_css_value(Parser::ParsingContext(), string, CSS::PropertyID::FontWidth);
     if (!property)
         return WebIDL::SyntaxError::create(realm(), "FontFace.stretch setter: Invalid font descriptor"_string);
 

Libraries/LibWeb/CSS/FontFaceSet.cpp

@@ -174,8 +174,7 @@ WebIDL::CallbackType* FontFaceSet::onloadingerror()
 static WebIDL::ExceptionOr<GC::Ref<JS::Set>> find_matching_font_faces(JS::Realm& realm, FontFaceSet& font_face_set, String const& font, String const&)
 {
     // 1. Parse font using the CSS value syntax of the font property. If a syntax error occurs, return a syntax error.
-    auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), font);
-    auto property = parser.parse_as_css_value(PropertyID::Font);
+    auto property = parse_css_value(CSS::Parser::ParsingContext(), font, PropertyID::Font);
     if (!property)
         return WebIDL::SyntaxError::create(realm, "Unable to parse font"_string);
 

Libraries/LibWeb/Geometry/DOMMatrixReadOnly.cpp

@@ -946,8 +946,7 @@ WebIDL::ExceptionOr<ParsedMatrix> parse_dom_matrix_init_string(JS::Realm& realm,
     // 2. Parse transformList into parsedValue given the grammar for the CSS transform property.
     // The result will be a <transform-list>, the keyword none, or failure.
     // If parsedValue is failure, or any <transform-function> has <length> values without absolute length units, or any keyword other than none is used, then return failure. [CSS3-SYNTAX] [CSS3-TRANSFORMS]
-    auto parsing_context = CSS::Parser::ParsingContext { realm };
-    auto transform_style_value = parse_css_value(parsing_context, transform_list, CSS::PropertyID::Transform);
+    auto transform_style_value = parse_css_value(CSS::Parser::ParsingContext {}, transform_list, CSS::PropertyID::Transform);
     if (!transform_style_value)
         return WebIDL::SyntaxError::create(realm, "Failed to parse CSS transform string."_string);
     auto parsed_value = CSS::StyleProperties::transformations_for_style_value(*transform_style_value);

Libraries/LibWeb/HTML/Canvas/CanvasFillStrokeStyles.h

@@ -26,19 +26,16 @@ public:
 
     void set_fill_style(FillOrStrokeStyleVariant style)
     {
-        auto& realm = static_cast<IncludingClass&>(*this).realm();
-
         // https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-fillstyle
         style.visit(
             // 1. If the given value is a string, then:
             [&](String const& string) {
                 // 1. Let context be this's canvas attribute's value, if that is an element; otherwise null.
-                auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), string);
 
                 // 2. Let parsedValue be the result of parsing the given value with context if non-null.
                 // FIXME: Parse a color value
                 // https://drafts.csswg.org/css-color/#parse-a-css-color-value
-                auto style_value = parser.parse_as_css_value(CSS::PropertyID::Color);
+                auto style_value = parse_css_value(CSS::Parser::ParsingContext(), string, CSS::PropertyID::Color);
                 if (style_value && style_value->has_color()) {
                     auto parsedValue = style_value->to_color(OptionalNone());
 
@@ -67,20 +64,17 @@ public:
 
     void set_stroke_style(FillOrStrokeStyleVariant style)
     {
-        auto& realm = static_cast<IncludingClass&>(*this).realm();
-
         // https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-strokestyle
 
         style.visit(
             // 1. If the given value is a string, then:
             [&](String const& string) {
                 // 1. Let context be this's canvas attribute's value, if that is an element; otherwise null.
-                auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), string);
 
                 // 2. Let parsedValue be the result of parsing the given value with context if non-null.
                 // FIXME: Parse a color value
                 // https://drafts.csswg.org/css-color/#parse-a-css-color-value
-                auto style_value = parser.parse_as_css_value(CSS::PropertyID::Color);
+                auto style_value = parse_css_value(CSS::Parser::ParsingContext(), string, CSS::PropertyID::Color);
                 if (style_value && style_value->has_color()) {
                     auto parsedValue = style_value->to_color(OptionalNone());
 

Libraries/LibWeb/HTML/Canvas/CanvasTextDrawingStyles.h

@@ -43,8 +43,7 @@ public:
         // and with system fonts being computed to explicit values.
         // FIXME: with the 'line-height' component forced to 'normal'
         // FIXME: with the 'font-size' component converted to CSS pixels
-        auto parsing_context = CSS::Parser::ParsingContext { reinterpret_cast<IncludingClass&>(*this).realm() };
-        auto font_style_value_result = parse_css_value(parsing_context, font, CSS::PropertyID::Font);
+        auto font_style_value_result = parse_css_value(CSS::Parser::ParsingContext {}, font, CSS::PropertyID::Font);
 
         // If the new value is syntactically incorrect (including using property-independent style sheet syntax like 'inherit' or 'initial'), then it must be ignored, without assigning a new font value.
         // NOTE: ShorthandStyleValue should be the only valid option here. We implicitly VERIFY this below.

Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp

@@ -806,14 +806,10 @@ String CanvasRenderingContext2D::shadow_color() const
 
 void CanvasRenderingContext2D::set_shadow_color(String color)
 {
-    auto& realm = static_cast<CanvasRenderingContext2D&>(*this).realm();
-
     // 1. Let context be this's canvas attribute's value, if that is an element; otherwise null.
-    auto parser = CSS::Parser::Parser::create(CSS::Parser::ParsingContext(realm), color);
-
-    auto style_value = parser.parse_as_css_value(CSS::PropertyID::Color);
 
     // 2. Let parsedValue be the result of parsing the given value with context if non-null.
+    auto style_value = parse_css_value(CSS::Parser::ParsingContext(), color, CSS::PropertyID::Color);
     if (style_value && style_value->has_color()) {
         auto parsedValue = style_value->to_color(OptionalNone());