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Introduce eRestyle_CSSAnimations.

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RESTYLE_CSS_ANIMATIONS will be individually processed prior to other restyle
hints in a traversal.
This commit is contained in:
Hiroyuki Ikezoe 2017-03-26 18:46:38 +09:00
parent 6d5ee2e361
commit 7c4f4d5be9
3 changed files with 49 additions and 6 deletions
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19
components/style/data.rs
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@ -9,7 +9,7 @@
use dom::TElement;
use properties::ComputedValues;
use properties::longhands::display::computed_value as display;
use restyle_hints::{RESTYLE_DESCENDANTS, RESTYLE_LATER_SIBLINGS, RESTYLE_SELF, RestyleHint};
use restyle_hints::{RESTYLE_CSS_ANIMATIONS, RESTYLE_DESCENDANTS, RESTYLE_LATER_SIBLINGS, RESTYLE_SELF, RestyleHint};
use rule_tree::StrongRuleNode;
use selector_parser::{PseudoElement, RestyleDamage, Snapshot};
use std::collections::HashMap;
@ -136,7 +136,12 @@ pub struct StoredRestyleHint(RestyleHint);
impl StoredRestyleHint {
/// Propagates this restyle hint to a child element.
pub fn propagate(&self) -> Self {
StoredRestyleHint(if self.0.contains(RESTYLE_DESCENDANTS) {
// If we have RESTYLE_CSS_ANIMATIONS restyle hint, it means we are in the
// middle of an animation only restyle. In that case, we don't need to
// propagate any restyle hints.
StoredRestyleHint(if self.0.contains(RESTYLE_CSS_ANIMATIONS) {
RestyleHint::empty()
} else if self.0.contains(RESTYLE_DESCENDANTS) {
RESTYLE_SELF | RESTYLE_DESCENDANTS
} else {
RestyleHint::empty()
@ -174,6 +179,16 @@ impl StoredRestyleHint {
pub fn insert(&mut self, other: &Self) {
self.0 |= other.0
}
/// Remove animation restyle hint.
pub fn remove_animation_hint(&mut self) {
self.0.remove(RESTYLE_CSS_ANIMATIONS)
}
/// Returns true if the hint has animation-only restyle.
pub fn has_animation_hint(&self) -> bool {
self.0.contains(RESTYLE_CSS_ANIMATIONS)
}
}
impl Default for StoredRestyleHint {