Web Animations CSS: Record if style recalc is for animation

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1516 matching lines @@
     ASSERT(!parentOrShadowHostNode()->needsStyleRecalc());
 
     if (hasCustomStyleCallbacks())
         willRecalcStyle(change);
 
     if (change >= Inherit || needsStyleRecalc()) {
         if (hasRareData()) {
             ElementRareData* data = elementRareData();
             data->resetStyleState();
             data->clearComputedStyle();
+
+            if (change >= Inherit) {
+                if (ActiveAnimations* activeAnimations = data->activeAnimations())
+                    activeAnimations->setAnimationStyleChange(false);
+            }
         }
         if (parentRenderStyle())
             change = recalcOwnStyle(change);
         clearNeedsStyleRecalc();
     }
 
     // If we reattached we don't need to recalc the style of our descendants anymore.
     if ((change >= Inherit && change < Reattach) || childNeedsStyleRecalc())
         recalcChildStyle(change);
     clearChildNeedsStyleRecalc();
@@ skipping 169 matching lines @@
     return ensureElementRareData().ensureShadow();
 }
 
 void Element::didAffectSelector(AffectedSelectorMask mask)
 {
     setNeedsStyleRecalc();
     if (ElementShadow* elementShadow = shadowWhereNodeCanBeDistributed(*this))
         elementShadow->didAffectSelector(mask);
 }
 
+void Element::setAnimationStyleChange(bool animationStyleChange)
+{
+    if (ActiveAnimations* activeAnimations = elementRareData()->activeAnimations())
+        activeAnimations->setAnimationStyleChange(animationStyleChange);
+}
+
+void Element::setNeedsAnimationStyleRecalc()
+{
+    if (styleChangeType() != NoStyleChange)
+        return;
+
+    setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer);
+    setAnimationStyleChange(true);
+}
+
 PassRefPtr<ShadowRoot> Element::createShadowRoot(ExceptionState& exceptionState)
 {
     if (alwaysCreateUserAgentShadowRoot())
         ensureUserAgentShadowRoot();
 
     if (RuntimeEnabledFeatures::authorShadowDOMForAnyElementEnabled())
         return PassRefPtr<ShadowRoot>(ensureShadow().addShadowRoot(*this, ShadowRoot::AuthorShadowRoot));
 
     // Since some elements recreates shadow root dynamically, multiple shadow
     // subtrees won't work well in that element. Until they are fixed, we disable
@@ skipping 1878 matching lines @@
     // Before doing so, we need to resolve issues in HTMLSelectElement::recalcListItems
     // and RenderMenuList::setText. See also https://bugs.webkit.org/show_bug.cgi?id=88405
     if (hasTagName(optionTag) || hasTagName(optgroupTag))
         return false;
     if (FullscreenElementStack::isActiveFullScreenElement(this))
         return false;
     return true;
 }
 
 } // namespace WebCore