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LibWeb: Implement SVGElement.className

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Jamie Mansfield 2024-07-09 20:59:00 +01:00 committed by Andreas Kling
parent 59f74b909b
commit 9d1ea4c7e0
Notes: sideshowbarker 2024-07-17 03:00:02 +09:00 
Author: https://github.com/jamierocks
Commit: https://github.com/LadybirdBrowser/ladybird/commit/9d1ea4c7e0
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/539
7 changed files with 32 additions and 0 deletions
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1
Tests/LibWeb/Text/expected/SVG/svg-className-attribute.txt Normal file
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@ -0,0 +1 @@
svg.className = 'demo class'

8
Tests/LibWeb/Text/input/SVG/svg-className-attribute.html Normal file
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@ -0,0 +1,8 @@
<script src="../include.js"></script>
<svg xmlns="http://www.w3.org/2000/svg" id="svg-element" class="demo class"></svg>
<script>
test(() => {
const svgElement = document.getElementById("svg-element");
println(`svg.className = '${svgElement.className.baseVal}'`);
});
</script>

3
Userland/Libraries/LibWeb/SVG/AttributeNames.cpp
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@ -22,6 +22,9 @@ void initialize_strings()
ENUMERATE_SVG_ATTRIBUTES(__ENUMERATE_SVG_ATTRIBUTE)
#undef __ENUMERATE_SVG_ATTRIBUTE
// NOTE: Special cases for C++ keywords.
class_ = "class"_fly_string;
// NOTE: Special case for attributes with ':' in them.
xlink_href = "xlink:href"_fly_string;

1
Userland/Libraries/LibWeb/SVG/AttributeNames.h
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@ -17,6 +17,7 @@ namespace Web::SVG::AttributeNames {
E(baseFrequency) \
E(baseProfile) \
E(calcMode) \
E(class_) \
E(clipPathUnits) \
E(contentScriptType) \
E(contentStyleType) \

11
Userland/Libraries/LibWeb/SVG/SVGElement.cpp
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@ -32,6 +32,7 @@ void SVGElement::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_dataset);
visitor.visit(m_class_name_animated_string);
}
JS::NonnullGCPtr<HTML::DOMStringMap> SVGElement::dataset()
@ -114,6 +115,16 @@ void SVGElement::blur()
dbgln("(STUBBED) SVGElement::blur()");
}
// https://svgwg.org/svg2-draft/types.html#__svg__SVGElement__classNames
JS::NonnullGCPtr<SVGAnimatedString> SVGElement::class_name()
{
// The className IDL attribute reflects the ‘class’ attribute.
if (!m_class_name_animated_string)
m_class_name_animated_string = SVGAnimatedString::create(realm(), *this, AttributeNames::class_);
return *m_class_name_animated_string;
}
JS::NonnullGCPtr<SVGAnimatedLength> SVGElement::svg_animated_length_for_property(CSS::PropertyID property) const
{
// FIXME: Create a proper animated value when animations are supported.

5
Userland/Libraries/LibWeb/SVG/SVGElement.h
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@ -8,6 +8,7 @@
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/SVG/SVGAnimatedString.h>
namespace Web::SVG {
@ -30,6 +31,8 @@ public:
void focus();
void blur();
JS::NonnullGCPtr<SVGAnimatedString> class_name();
protected:
SVGElement(DOM::Document&, DOM::QualifiedName);
@ -48,6 +51,8 @@ private:
virtual JS::GCPtr<DOM::EventTarget> global_event_handlers_to_event_target(FlyString const&) override { return *this; }
virtual bool is_svg_element() const final { return true; }
JS::GCPtr<SVGAnimatedString> m_class_name_animated_string;
};
}

3
Userland/Libraries/LibWeb/SVG/SVGElement.idl
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@ -2,10 +2,13 @@
#import <DOM/Element.idl>
#import <HTML/HTMLElement.idl>
#import <HTML/DOMStringMap.idl>
#import <SVG/SVGAnimatedString.idl>
// https://svgwg.org/svg2-draft/types.html#InterfaceSVGElement
[Exposed=Window]
interface SVGElement : Element {
[SameObject] readonly attribute SVGAnimatedString className;
};
SVGElement includes GlobalEventHandlers;