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Filter out !important property in keyframes for servo.

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This commit is contained in:
Hiroyuki Ikezoe 2017-09-20 15:59:04 +09:00
parent a940999795
commit e3232f5c36
1 changed files with 6 additions and 4 deletions
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10
components/style/animation.rs
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@ -481,11 +481,13 @@ fn compute_style_for_animation_step(context: &SharedStyleContext,
KeyframesStepValue::Declarations { block: ref declarations } => {
let guard = declarations.read_with(context.guards.author);
// No !important in keyframes.
debug_assert!(!guard.any_important());
let iter = || {
guard.declarations().iter().rev()
// It's possible to have !important properties in keyframes
// so we have to filter them out.
// See the spec issue https://github.com/w3c/csswg-drafts/issues/1824
// Also we filter our non-animatable properties.
guard.normal_declaration_iter()
.filter(|declaration| declaration.is_animatable())
.map(|decl| (decl, CascadeLevel::Animations))
};