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Bug 1355351 - Make pseudo-elements return the correct style via getComputedStyle

Browse source 
* Add a node property to access the ::before and ::after pseudo-elements
* Look for the frame for ::before and ::after pseudos
* Clean up pseudo-element props
* Simplify nsLayoutUtils callers, and make child iterators notice display: contents pseudos

Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 05:10:25 -04:00 • committed by Roy Tam
commit d3ffda520f
16 changed files with 188 additions and 241 deletions
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12
dom/animation/KeyframeEffectReadOnly.cpp
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@ -1105,19 +1105,17 @@ KeyframeEffectReadOnly::GetAnimationFrame() const
return nullptr;
}
nsIFrame* frame = mTarget->mElement->GetPrimaryFrame();
if (!frame) {
return nullptr;
}
nsIFrame* frame;
if (mTarget->mPseudoType == CSSPseudoElementType::before) {
frame = nsLayoutUtils::GetBeforeFrame(frame);
frame = nsLayoutUtils::GetBeforeFrame(mTarget->mElement);
} else if (mTarget->mPseudoType == CSSPseudoElementType::after) {
frame = nsLayoutUtils::GetAfterFrame(frame);
frame = nsLayoutUtils::GetAfterFrame(mTarget->mElement);
} else {
frame = mTarget->mElement->GetPrimaryFrame();
MOZ_ASSERT(mTarget->mPseudoType == CSSPseudoElementType::NotPseudo,
"unknown mTarget->mPseudoType");
}
if (!frame) {
return nullptr;
}