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Add animation and transition support for pseudo-elements

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This change extends the DocumentAnimationSet to hold animations for
pseudo-elements. Since pseudo-elements in Servo are not in the DOM like
in Gecko, they need to be handled a bit carefully in stylo.  When a
pseudo-element has an animation, recascade the style. Finally, this
change passes the pseudo-element string properly to animation events.

Fixes: #10316
This commit is contained in:
Martin Robinson 2020-06-15 11:51:23 +02:00
parent ba5568a0a6
commit f3e373bc62
19 changed files with 359 additions and 138 deletions
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4
components/style/gecko/wrapper.rs
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@ -1520,11 +1520,11 @@ impl<'le> TElement for GeckoElement<'le> {
self.may_have_animations() && unsafe { Gecko_ElementHasAnimations(self.0) }
}
fn has_css_animations(&self, _: &SharedStyleContext) -> bool {
fn has_css_animations(&self, _: &SharedStyleContext, _: Option<PseudoElement>) -> bool {
self.may_have_animations() && unsafe { Gecko_ElementHasCSSAnimations(self.0) }
}
fn has_css_transitions(&self, _: &SharedStyleContext) -> bool {
fn has_css_transitions(&self, _: &SharedStyleContext, _: Option<PseudoElement>) -> bool {
self.may_have_animations() && unsafe { Gecko_ElementHasCSSTransitions(self.0) }
}