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Implement concept of dirty root

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This commit is contained in:
Anthony Ramine 2020-04-27 17:54:06 +02:00
parent 518c0660c6
commit 036f123c4e
11 changed files with 251 additions and 64 deletions
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28
components/script/dom/window.rs
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@ -1659,6 +1659,14 @@ impl Window {
document.flush_dirty_canvases();
}
let pending_restyles = document.drain_pending_restyles();
let dirty_root = document
.take_dirty_root()
.filter(|_| !stylesheets_changed)
.or_else(|| document.GetDocumentElement())
.map(|root| root.upcast::<Node>().to_trusted_node_address());
// Send new document and relevant styles to layout.
let needs_display = reflow_goal.needs_display();
let reflow = ScriptReflow {
@ -1666,13 +1674,14 @@ impl Window {
page_clip_rect: self.page_clip_rect.get(),
},
document: document.upcast::<Node>().to_trusted_node_address(),
dirty_root,
stylesheets_changed,
window_size: self.window_size.get(),
origin: self.origin().immutable().clone(),
reflow_goal,
script_join_chan: join_chan,
dom_count: document.dom_count(),
pending_restyles: document.drain_pending_restyles(),
pending_restyles,
animation_timeline_value: document.current_animation_timeline_value(),
animations: document.animations().sets.clone(),
};
@ -1770,12 +1779,17 @@ impl Window {
// We shouldn't need a reflow immediately after a
// reflow, except if we're waiting for a deferred paint.
assert!({
let condition = self.Document().needs_reflow();
condition.is_none() ||
(!for_display && condition == Some(ReflowTriggerCondition::PaintPostponed)) ||
self.suppress_reflow.get()
});
let condition = self.Document().needs_reflow();
assert!(
{
condition.is_none() ||
(!for_display &&
condition == Some(ReflowTriggerCondition::PaintPostponed)) ||
self.suppress_reflow.get()
},
"condition was {:?}",
condition
);
} else {
debug!(
"Document doesn't need reflow - skipping it (reason {:?})",