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Flush shadow roots stylesheets only if they changed

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This commit is contained in:
Fernando Jiménez Moreno 2019-02-21 12:34:59 +01:00
parent a841c713d6
commit 2674a3e717
4 changed files with 54 additions and 7 deletions
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17
components/layout_thread/dom_wrapper.rs
View file

@ -437,6 +437,23 @@ impl<'ld> ServoLayoutDocument<'ld> {
}
}
pub fn flush_shadow_roots_stylesheets(
&self,
device: &Device,
quirks_mode: QuirksMode,
guard: &SharedRwLockReadGuard,
) {
unsafe {
if !self.document.shadow_roots_styles_changed() {
return;
}
self.document.flush_shadow_roots_stylesheets();
for shadow_root in self.shadow_roots() {
shadow_root.flush_stylesheets(device, quirks_mode, guard);
}
}
}
pub fn from_layout_js(doc: LayoutDom<Document>) -> ServoLayoutDocument<'ld> {
ServoLayoutDocument {
document: doc,

12
components/layout_thread/lib.rs
View file

@ -1352,13 +1352,11 @@ impl LayoutThread {
);
// Flush shadow roots stylesheets if dirty.
for shadow_root in document.shadow_roots() {
shadow_root.flush_stylesheets(
&self.stylist.device(),
document.quirks_mode(),
guards.author.clone(),
);
}
document.flush_shadow_roots_stylesheets(
&self.stylist.device(),
document.quirks_mode(),
guards.author.clone(),
);
let restyles = document.drain_pending_restyles();
debug!("Draining restyles: {}", restyles.len());