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LibWeb: Allow custom properties in CSSStyleDeclaration.removeProperty()

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This commit is contained in:
Aliaksandr Kalenik 2024-11-20 17:48:35 +01:00
parent e026d9eb86
commit e66cdba61e
4 changed files with 22 additions and 14 deletions
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23
Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
View file

@ -119,7 +119,7 @@ WebIDL::ExceptionOr<void> PropertyOwningCSSStyleDeclaration::set_property(String
// 3. If value is the empty string, invoke removeProperty() with property as argument and return.
if (value.is_empty()) {
MUST(remove_property(property_id));
MUST(remove_property(property_name));
return {};
}
@ -177,8 +177,12 @@ WebIDL::ExceptionOr<void> PropertyOwningCSSStyleDeclaration::set_property(String
}
// https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-removeproperty
WebIDL::ExceptionOr<String> PropertyOwningCSSStyleDeclaration::remove_property(PropertyID property_id)
WebIDL::ExceptionOr<String> PropertyOwningCSSStyleDeclaration::remove_property(StringView property_name)
{
auto property_id = property_id_from_string(property_name);
if (!property_id.has_value())
return String {};
// 1. If the computed flag is set, then throw a NoModificationAllowedError exception.
// NOTE: This is handled by the virtual override in ResolvedCSSStyleDeclaration.
@ -186,8 +190,7 @@ WebIDL::ExceptionOr<String> PropertyOwningCSSStyleDeclaration::remove_property(P
// NOTE: We've already converted it to a PropertyID enum value.
// 3. Let value be the return value of invoking getPropertyValue() with property as argument.
// FIXME: The trip through string_from_property_id() here is silly.
auto value = get_property_value(string_from_property_id(property_id));
auto value = get_property_value(property_name);
// 4. Let removed be false.
bool removed = false;
@ -197,7 +200,12 @@ WebIDL::ExceptionOr<String> PropertyOwningCSSStyleDeclaration::remove_property(P
// 2. Remove that CSS declaration and let removed be true.
// 6. Otherwise, if property is a case-sensitive match for a property name of a CSS declaration in the declarations, remove that CSS declaration and let removed be true.
if (property_id == PropertyID::Custom) {
auto custom_name = FlyString::from_utf8_without_validation(property_name.bytes());
removed = m_custom_properties.remove(custom_name);
} else {
removed = m_properties.remove_first_matching([&](auto& entry) { return entry.property_id == property_id; });
}
// 7. If removed is true, Update style attribute for the CSS declaration block.
if (removed)
@ -321,12 +329,9 @@ WebIDL::ExceptionOr<void> CSSStyleDeclaration::set_property(PropertyID property_
return set_property(string_from_property_id(property_id), css_text, priority);
}
WebIDL::ExceptionOr<String> CSSStyleDeclaration::remove_property(StringView property_name)
WebIDL::ExceptionOr<String> CSSStyleDeclaration::remove_property(PropertyID property_name)
{
auto property_id = property_id_from_string(property_name);
if (!property_id.has_value())
return String {};
return remove_property(property_id.value());
return remove_property(string_from_property_id(property_name));
}
// https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-csstext

7
Libraries/LibWeb/CSS/CSSStyleDeclaration.h
View file

@ -32,10 +32,10 @@ public:
virtual Optional<StyleProperty> custom_property(FlyString const& custom_property_name) const = 0;
virtual WebIDL::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority = ""sv);
virtual WebIDL::ExceptionOr<String> remove_property(PropertyID) = 0;
virtual WebIDL::ExceptionOr<String> remove_property(PropertyID);
virtual WebIDL::ExceptionOr<void> set_property(StringView property_name, StringView css_text, StringView priority) = 0;
virtual WebIDL::ExceptionOr<String> remove_property(StringView property_name);
virtual WebIDL::ExceptionOr<String> remove_property(StringView property_name) = 0;
String get_property_value(StringView property) const;
StringView get_property_priority(StringView property) const;
@ -79,8 +79,7 @@ public:
virtual Optional<StyleProperty> custom_property(FlyString const& custom_property_name) const override { return m_custom_properties.get(custom_property_name); }
virtual WebIDL::ExceptionOr<void> set_property(StringView property_name, StringView css_text, StringView priority) override;
virtual WebIDL::ExceptionOr<String> remove_property(PropertyID) override;
virtual WebIDL::ExceptionOr<String> remove_property(StringView property_name) override;
Vector<StyleProperty> const& properties() const { return m_properties; }
HashMap<FlyString, StyleProperty> const& custom_properties() const { return m_custom_properties; }

1
Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-custom-properties.txt
View file

@ -1,2 +1,3 @@
style.getPropertyValue(--redcolor)=red
rgb(255, 0, 0)
rgba(0, 0, 0, 0)

3
Tests/LibWeb/Text/input/css/CSSStyleDeclaration-custom-properties.html
View file

@ -16,5 +16,8 @@
document.body.appendChild(div);
println(getComputedStyle(nested).backgroundColor);
div.style.removeProperty("--redcolor");
println(getComputedStyle(nested).backgroundColor);
});
</script>