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LibHTML: Clicking on a fragment link should prefer <a id> over <a name>

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It turns out that other engines prefer <a id> over <a name> when
deciding which anchor element to jump to.

This patch aligns LibHTML's behavior with WebKit and Gecko.

Thanks to "/cam 2" for bringing this up. :^)
This commit is contained in:
Andreas Kling
2019-10-21 12:04:17 +02:00
parent 4d9740ecef
commit 8e710b16de
1 changed files with 12 additions and 9 deletions
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21
Libraries/LibHTML/HtmlView.cpp
View File

@@ -319,17 +319,20 @@ void HtmlView::scroll_to_anchor(const StringView& name)
if (!document())
return;
HTMLAnchorElement* element = nullptr;
document()->for_each_in_subtree([&](auto& node) {
if (is<HTMLAnchorElement>(node)) {
auto& anchor_element = to<HTMLAnchorElement>(node);
if (anchor_element.name() == name) {
element = &anchor_element;
return IterationDecision::Break;
const HTMLAnchorElement* element = nullptr;
if (auto* candidate = document()->get_element_by_id(name)) {
if (is<HTMLAnchorElement>(*candidate))
element = to<HTMLAnchorElement>(candidate);
}
if (!element) {
auto candidates = document()->get_elements_by_name(name);
for (auto* candidate : candidates) {
if (is<HTMLAnchorElement>(*candidate)) {
element = to<HTMLAnchorElement>(candidate);
break;
}
}
return IterationDecision::Continue;
});
}
if (!element) {
dbg() << "HtmlView::scroll_to_anchor(): Anchor not found: '" << name << "'";