Web Animations: Trigger and update CSS Animations backed by the Web Animations model

Source/core/css/resolver/StyleResolver.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef StyleResolver_h
 #define StyleResolver_h
 
+#include "core/animation/KeyframeAnimationEffect.h"
 #include "core/css/DocumentRuleSets.h"
 #include "core/css/InspectorCSSOMWrappers.h"
 #include "core/css/PseudoStyleRequest.h"
 #include "core/css/RuleFeature.h"
 #include "core/css/RuleSet.h"
 #include "core/css/SelectorChecker.h"
 #include "core/css/SelectorFilter.h"
 #include "core/css/SiblingTraversalStrategies.h"
 #include "core/css/resolver/MatchedPropertiesCache.h"
 #include "core/css/resolver/ScopedStyleResolver.h"
 #include "core/css/resolver/StyleBuilder.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/css/resolver/StyleResourceLoader.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
+class CSSAnimationUpdate;
 class CSSFontSelector;
 class CSSRuleList;
 class CSSSelector;
 class CSSStyleSheet;
 class CSSValue;
 class ContainerNode;
 class Document;
 class DocumentTimeline;
 class Element;
 class ElementRuleCollector;
@@ skipping 123 matching lines @@
     // TreeWalkContext or similar which is passed in to StyleResolver methods when available.
     // Using these during tree walk will allow style selector to optimize child and descendant selector lookups.
     void pushParentElement(Element*);
     void popParentElement(Element*);
     void pushParentShadowRoot(const ShadowRoot*);
     void popParentShadowRoot(const ShadowRoot*);
 
     PassRefPtr<RenderStyle> styleForElement(Element*, RenderStyle* parentStyle = 0, StyleSharingBehavior = AllowStyleSharing,
         RuleMatchingBehavior = MatchAllRules, RenderRegion* regionForStyling = 0);
 
+    // FIXME: The following logic related to animations and keyframes should be factored out of StyleResolver
+    // The body of calculateCSSAnimationUpdate can move to CSSAnimations.cpp and take just const element, const style,
+    // and const ScopedStyleTree
+    PassOwnPtr<CSSAnimationUpdate> calculateCSSAnimationUpdate(StyleResolverState&);
+    void resolveKeyframes(Element*, const StringImpl* animationName, KeyframeAnimationEffect::KeyframeVector&);
+    const StylePropertySet* firstKeyframeStyles(const Element*, const StringImpl* animationName);
     void keyframeStylesForAnimation(Element*, const RenderStyle*, KeyframeList&);
+    const StyleRuleKeyframes* matchScopedKeyframesRule(const Element*, const StringImpl* animationName);
+    PassRefPtr<RenderStyle> styleForKeyframe(Element*, const RenderStyle*, const StyleKeyframe*, KeyframeValue&);
 
     PassRefPtr<RenderStyle> pseudoStyleForElement(Element*, const PseudoStyleRequest&, RenderStyle* parentStyle);
 
     PassRefPtr<RenderStyle> styleForPage(int pageIndex);
     PassRefPtr<RenderStyle> defaultStyleForElement();
     PassRefPtr<RenderStyle> styleForText(Text*);
 
     static PassRefPtr<RenderStyle> styleForDocument(const Document*, CSSFontSelector* = 0);
 
     // FIXME: This only has 5 callers and should be removed. Callers should be explicit about
@@ skipping 16 matching lines @@
     bool buildScopedStyleTreeInDocumentOrder() const { return m_styleTree.buildInDocumentOrder(); }
 
     ScopedStyleResolver* ensureScopedStyleResolver(const ContainerNode* scope)
     {
         return m_styleTree.ensureScopedStyleResolver(scope ? scope : document());
     }
 
     // FIXME: Used by SharingStyleFinder, but should be removed.
     bool styleSharingCandidateMatchesRuleSet(const ElementResolveContext&, RenderStyle*, RuleSet*);
 
-    const StyleRuleKeyframes* matchScopedKeyframesRule(Element*, const StringImpl* animationName);
-    PassRefPtr<RenderStyle> styleForKeyframe(Element*, const RenderStyle*, const StyleKeyframe*, KeyframeValue&);
-
     // These methods will give back the set of rules that matched for a given element (or a pseudo-element).
     enum CSSRuleFilter {
         UAAndUserCSSRules   = 1 << 1,
         AuthorCSSRules      = 1 << 2,
         EmptyCSSRules       = 1 << 3,
         CrossOriginCSSRules = 1 << 4,
         AllButEmptyCSSRules = UAAndUserCSSRules | AuthorCSSRules | CrossOriginCSSRules,
         AllCSSRules         = AllButEmptyCSSRules | EmptyCSSRules,
     };
     PassRefPtr<CSSRuleList> styleRulesForElement(Element*, unsigned rulesToInclude = AllButEmptyCSSRules);
@@ skipping 58 matching lines @@
         HighPriorityProperties,
         LowPriorityProperties
     };
     template <StyleResolver::StyleApplicationPass pass>
     static inline bool isPropertyForPass(CSSPropertyID);
     template <StyleApplicationPass pass>
     void applyMatchedProperties(StyleResolverState&, const MatchResult&, bool important, int startIndex, int endIndex, bool inheritedOnly);
     template <StyleApplicationPass pass>
     void applyProperties(StyleResolverState&, const StylePropertySet* properties, StyleRule*, bool isImportant, bool inheritedOnly, PropertyWhitelistType = PropertyWhitelistNone);
     template <StyleApplicationPass pass>
-    void applyAnimatedProperties(StyleResolverState&, const Element*, const DocumentTimeline*);
+    void applyAnimatedProperties(StyleResolverState&, const Element*, const DocumentTimeline*, const CSSAnimationUpdate*);
     void resolveVariables(StyleResolverState&, CSSPropertyID, CSSValue*, Vector<std::pair<CSSPropertyID, String> >& knownExpressions);
     void matchPageRules(MatchResult&, RuleSet*, bool isLeftPage, bool isFirstPage, const String& pageName);
     void matchPageRulesForList(Vector<StyleRulePage*>& matchedRules, const Vector<StyleRulePage*>&, bool isLeftPage, bool isFirstPage, const String& pageName);
     void collectViewportRules();
     Settings* documentSettings() { return m_document->settings(); }
 
     bool isLeftPage(int pageIndex) const;
     bool isRightPage(int pageIndex) const { return !isLeftPage(pageIndex); }
     bool isFirstPage(int pageIndex) const;
     String pageName(int pageIndex) const;
@@ skipping 54 matching lines @@
         PseudoId ignoreDynamicPseudo = NOPSEUDO;
         if (selectorChecker.match(selectorCheckingContext, ignoreDynamicPseudo, DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches)
             return true;
     }
     return false;
 }
 
 } // namespace WebCore
 
 #endif // StyleResolver_h