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LibHTML: Add function for invalidating the document layout

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This allows any external actor to signal that the document layout may be
stale. This can be used when loading resources, changing the size or
placement of an element, adding/removing nodes, or really any time.
This commit is contained in:
Conrad Pankoff 2019-10-06 22:58:18 +11:00 • committed by Andreas Kling
parent 15a016d3e3
commit ef8b754a46
3 changed files with 15 additions and 0 deletions
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5
Libraries/LibHTML/HtmlView.cpp
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@ -31,7 +31,12 @@ void HtmlView::set_document(Document* document)
{
if (document == m_document)
return;
if (m_document)
m_document->on_invalidate_layout = nullptr;
m_document = document;
m_document->on_invalidate_layout = [this]() { layout_and_sync_size(); };
main_frame().set_document(document);