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LibWeb: Broadcast the viewport rect to clients immediately after layout

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This lets elements figure out if they're visible within the viewport or
not, so they take appropriate action.

Fixes the issues with animations not starting until the viewport was
resized or scrolled.
This commit is contained in:
Andreas Kling 2023-05-09 07:25:20 +02:00
parent dbe961ca02
commit 6ae208dbf6
3 changed files with 11 additions and 0 deletions
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6
Userland/Libraries/LibWeb/HTML/BrowsingContext.cpp
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@ -539,6 +539,12 @@ void BrowsingContext::set_active_document(JS::NonnullGCPtr<DOM::Document> docume
previously_active_document->did_stop_being_active_document_in_browsing_context({});
}
void BrowsingContext::inform_all_viewport_clients_about_the_current_viewport_rect()
{
for (auto* client : m_viewport_clients)
client->browsing_context_did_set_viewport_rect(viewport_rect());
}
void BrowsingContext::set_viewport_rect(CSSPixelRect const& rect)
{
bool did_change = false;