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LibWeb: Add Document::invalidate_layout()

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This function allows you to throw away the entire layout tree if that's
something you want to do.

It's certainly not super cheap to reconstruct, but hey, who am I to
tell you what to do? :^)
This commit is contained in:
Andreas Kling 2020-03-25 18:51:04 +01:00
parent 90a53b3520
commit 1146ab0fae
2 changed files with 10 additions and 1 deletions
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10
Libraries/LibWeb/DOM/Document.cpp
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@ -196,14 +196,22 @@ URL Document::complete_url(const String& string) const
return m_url.complete_url(string);
}
void Document::force_layout()
void Document::invalidate_layout()
{
m_layout_root = nullptr;
}
void Document::force_layout()
{
invalidate_layout();
layout();
}
void Document::layout()
{
if (!frame())
return;
if (!m_layout_root) {
LayoutTreeBuilder tree_builder;
m_layout_root = tree_builder.build(*this);