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Coalesce pending reflow messages so they don't queue up.

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This commit is contained in:
Glenn Watson 2014-09-12 10:03:52 +10:00
parent 4e35b82770
commit 7503033e57
2 changed files with 17 additions and 2 deletions
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4
components/script/page.rs
View file

@ -91,6 +91,9 @@ pub struct Page {
// Child Pages.
pub children: Traceable<RefCell<Vec<Rc<Page>>>>,
/// Number of pending reflows that were sent while layout was active.
pub pending_reflows: Cell<int>,
}
pub struct PageIterator {
@ -154,6 +157,7 @@ impl Page {
resource_task: Untraceable::new(resource_task),
constellation_chan: Untraceable::new(constellation_chan),
children: Traceable::new(RefCell::new(vec!())),
pending_reflows: Cell::new(0),
}
}

15
components/script/script_task.rs
View file

@ -513,6 +513,12 @@ impl ScriptTask {
*layout_join_port = None;
}
self.compositor.set_ready_state(FinishedLoading);
if page.pending_reflows.get() > 0 {
page.pending_reflows.set(0);
page.damage(MatchSelectorsDocumentDamage);
page.reflow(ReflowForDisplay, self.control_chan.clone(), self.compositor);
}
}
/// Handles a navigate forward or backward message.
@ -758,8 +764,13 @@ impl ScriptTask {
let page = get_page(&*self.page.borrow(), pipeline_id);
let frame = page.frame();
if frame.is_some() {
page.damage(MatchSelectorsDocumentDamage);
page.reflow(ReflowForDisplay, self.control_chan.clone(), self.compositor)
let in_layout = page.layout_join_port.deref().borrow().is_some();
if in_layout {
page.pending_reflows.set(page.pending_reflows.get() + 1);
} else {
page.damage(MatchSelectorsDocumentDamage);
page.reflow(ReflowForDisplay, self.control_chan.clone(), self.compositor)
}
}
}