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Preserve restyle damage if the element was not restyled during throttled animation flush.

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This commit is contained in:
Hiroyuki Ikezoe 2017-07-26 11:09:19 +09:00
parent 316878b489
commit 40b0d525dd
1 changed files with 7 additions and 2 deletions
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9
ports/geckolib/glue.rs
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@ -2779,8 +2779,13 @@ pub extern "C" fn Servo_TakeChangeHint(element: RawGeckoElementBorrowed,
let damage = data.restyle.damage;
if restyle_behavior == structs::TraversalRestyleBehavior::ForThrottledAnimationFlush {
debug_assert!(data.restyle.is_restyle() || damage.is_empty(),
"Restyle damage should be empty if the element was not restyled");
if !*was_restyled {
// Don't touch elements if the element was not restyled
// in throttled animation flush.
debug!("Skip post traversal for throttled animation flush {:?} restyle={:?}",
element, data.restyle);
return nsChangeHint(0);
}
// In the case where we call this function for post traversal for
// flusing throttled animations (i.e. without normal restyle
// traversal), we need to preserve restyle hints for normal restyle