third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp - Issue 2105743002: Optimize style recalc when adding @keyframes.

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Unified Diff: third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

Issue 2105743002: Optimize style recalc when adding @keyframes. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 6 months ago

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Index: third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

diff --git a/third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp b/third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

index 58abde39e0139fbef8d75db520e6ac09c5d213d4..99f94a3c3afcb13563631abc0a73ac5260bbe90a 100644

--- a/third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

+++ b/third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

@@ -295,8 +295,10 @@ void CSSAnimations::calculateAnimationUpdate(CSSAnimationUpdate& update, const E

timing.timingFunction = Timing::defaults().timingFunction;

StyleRuleKeyframes* keyframesRule = resolver->findKeyframesRule(elementForScoping, name);

- if (!keyframesRule)

+ if (!keyframesRule) {

+ element.document().timeline().setHasUnresolvedKeyframesRule();

continue; // Cancel the animation if there's no style rule for it.

+ }

const RunningAnimation* existingAnimation = nullptr;

size_t existingAnimationIndex = 0;