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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibWeb: Allow Layout::ImageBox to be anonymous

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This is prep work for CSS content:image, which means pseudo-elements can
be used to generate images without a corresponding DOM node.
This commit is contained in:
Andreas Kling 2025-07-26 14:22:50 +02:00 • committed by Andreas Kling
commit 9603aa0745
Notes: github-actions[bot] 2025-07-28 20:48:21 +00:00
11 changed files with 26 additions and 22 deletions
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9
Libraries/LibWeb/Layout/ImageBox.cpp
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@ -15,7 +15,7 @@ namespace Web::Layout {
GC_DEFINE_ALLOCATOR(ImageBox);
ImageBox::ImageBox(DOM::Document& document, DOM::Element& element, GC::Ref<CSS::ComputedProperties> style, ImageProvider const& image_provider)
ImageBox::ImageBox(DOM::Document& document, GC::Ptr<DOM::Element> element, GC::Ref<CSS::ComputedProperties> style, ImageProvider const& image_provider)
: ReplacedBox(document, element, move(style))
, m_image_provider(image_provider)
{
@ -36,8 +36,9 @@ void ImageBox::prepare_for_replaced_layout()
set_natural_aspect_ratio(m_image_provider.intrinsic_aspect_ratio());
if (renders_as_alt_text()) {
auto const& element = as<HTML::HTMLElement>(dom_node());
auto alt = element.get_attribute_value(HTML::AttributeNames::alt);
String alt;
if (auto element = dom_node())
alt = element->get_attribute_value(HTML::AttributeNames::alt);
if (alt.is_empty()) {
set_natural_width(0);
@ -66,7 +67,7 @@ void ImageBox::dom_node_did_update_alt_text(Badge<ImageProvider>)
bool ImageBox::renders_as_alt_text() const
{
if (auto const* image_provider = dynamic_cast<ImageProvider const*>(&dom_node()))
if (auto const* image_provider = dynamic_cast<ImageProvider const*>(dom_node().ptr()))
return !image_provider->is_image_available();
return false;
}