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Bug 1317209 - Part 5: Support transition cascade level. r=emilio

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Support a new enum, EffectCompositor_CascadeLevel, which is an equivalent of
EffectCompositor::CascadeLevel in Gecko.
This commit is contained in:
Boris Chiou 2017-01-24 15:34:08 +08:00
parent 3a89e89952
commit 19aea7ea78
7 changed files with 52 additions and 18 deletions
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12
components/style/dom.rs
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@ -227,6 +227,11 @@ pub trait PresentationalHintsSynthetizer {
where V: Push<ApplicableDeclarationBlock>;
}
/// The animation rules. The first one is for Animation cascade level, and the second one is for
/// Transition cascade level.
pub struct AnimationRules(pub Option<Arc<RwLock<PropertyDeclarationBlock>>>,
pub Option<Arc<RwLock<PropertyDeclarationBlock>>>);
/// The element trait, the main abstraction the style crate acts over.
pub trait TElement : PartialEq + Debug + Sized + Copy + Clone + ElementExt + PresentationalHintsSynthetizer {
/// The concrete node type.
@ -248,10 +253,9 @@ pub trait TElement : PartialEq + Debug + Sized + Copy + Clone + ElementExt + Pre
/// Get this element's style attribute.
fn style_attribute(&self) -> Option<&Arc<RwLock<PropertyDeclarationBlock>>>;
/// Get this element's animation rule.
fn get_animation_rule(&self, _pseudo: Option<&PseudoElement>)
-> Option<Arc<RwLock<PropertyDeclarationBlock>>> {
None
/// Get this element's animation rules.
fn get_animation_rules(&self, _pseudo: Option<&PseudoElement>) -> AnimationRules {
AnimationRules(None, None)
}
/// Get this element's state, for non-tree-structural pseudos.