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LibWeb: Don't crash when querying detached circle element properties

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This commit is contained in:
Tim Ledbetter 2024-03-23 07:08:54 +00:00 • committed by Andreas Kling
commit 3518f39b60
Notes: sideshowbarker 2024-07-17 05:06:13 +09:00
3 changed files with 23 additions and 6 deletions
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18
Userland/Libraries/LibWeb/SVG/SVGCircleElement.cpp
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@ -85,8 +85,10 @@ JS::NonnullGCPtr<SVGAnimatedLength> SVGCircleElement::cx() const
{
// FIXME: Create a proper animated value when animations are supported.
auto make_length = [&] {
if (auto cx = computed_css_values()->length_percentage(CSS::PropertyID::Cx); cx.has_value())
return SVGLength::from_length_percentage(realm(), *cx);
if (auto const* style = computed_css_values(); style) {
if (auto cx = style->length_percentage(CSS::PropertyID::Cx); cx.has_value())
return SVGLength::from_length_percentage(realm(), *cx);
}
return SVGLength::create(realm(), 0, 0.0f);
};
return SVGAnimatedLength::create(realm(), make_length(), make_length());
@ -97,8 +99,10 @@ JS::NonnullGCPtr<SVGAnimatedLength> SVGCircleElement::cy() const
{
// FIXME: Create a proper animated value when animations are supported.
auto make_length = [&] {
if (auto cy = computed_css_values()->length_percentage(CSS::PropertyID::Cy); cy.has_value())
return SVGLength::from_length_percentage(realm(), *cy);
if (auto const* style = computed_css_values(); style) {
if (auto cy = style->length_percentage(CSS::PropertyID::Cy); cy.has_value())
return SVGLength::from_length_percentage(realm(), *cy);
}
return SVGLength::create(realm(), 0, 0.0f);
};
return SVGAnimatedLength::create(realm(), make_length(), make_length());
@ -109,8 +113,10 @@ JS::NonnullGCPtr<SVGAnimatedLength> SVGCircleElement::r() const
{
// FIXME: Create a proper animated value when animations are supported.
auto make_length = [&] {
if (auto r = computed_css_values()->length_percentage(CSS::PropertyID::R); r.has_value())
return SVGLength::from_length_percentage(realm(), *r);
if (auto const* style = computed_css_values(); style) {
if (auto r = computed_css_values()->length_percentage(CSS::PropertyID::R); r.has_value())
return SVGLength::from_length_percentage(realm(), *r);
}
return SVGLength::create(realm(), 0, 0.0f);
};
return SVGAnimatedLength::create(realm(), make_length(), make_length());