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style: Fix timing-function overriding from the keyframe declaration list.

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The previous behavior is plain wrong, since that array has always at least one
element, so we effectively couldn't specify anything else than "ease" in our
animations.
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Emilio Cobos Álvarez 2016-07-01 15:52:04 -07:00 • committed by Emilio Cobos Álvarez
parent 8bbebd0514
commit 8ba676533b
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3 changed files with 44 additions and 1 deletions
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4
components/style/animation.rs
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@ -626,7 +626,9 @@ where Impl: SelectorImplExt,
// NB: The spec says that the timing function can be overwritten
// from the keyframe style.
let mut timing_function = style.get_box().animation_timing_function_mod(index);
if from_style.get_box().animation_timing_function_count() != 0 {
if last_keyframe.declared_timing_function {
// NB: animation_timing_function can never be empty, always has
// at least the default value (`ease`).
timing_function = from_style.get_box().animation_timing_function_at(0);
}