Web Animations: Introduce ActiveAnimations and AnimationStack

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 14 matching lines @@
 
 #include "config.h"
 #include "core/dom/Element.h"
 
 #include "CSSPropertyNames.h"
 #include "CSSValueKeywords.h"
 #include "HTMLNames.h"
 #include "SVGNames.h"
 #include "XMLNames.h"
 #include "core/accessibility/AXObjectCache.h"
+#include "core/animation/DocumentTimeline.h"
 #include "core/css/CSSParser.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/CSSValuePool.h"
 #include "core/css/PropertySetCSSStyleDeclaration.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Attr.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/ClientRect.h"
 #include "core/dom/ClientRectList.h"
@@ skipping 322 matching lines @@
 NamedNodeMap* Element::attributes() const
 {
     ElementRareData* rareData = const_cast<Element*>(this)->ensureElementRareData();
     if (NamedNodeMap* attributeMap = rareData->attributeMap())
         return attributeMap;
 
     rareData->setAttributeMap(NamedNodeMap::create(const_cast<Element*>(this)));
     return rareData->attributeMap();
 }
 
-void Element::addActiveAnimation(Animation* animation)
+ActiveAnimations* Element::activeAnimations() const
+{
+    if (hasActiveAnimations())
+        return elementRareData()->activeAnimations();
+    return 0;
+}
+
+ActiveAnimations* Element::ensureActiveAnimations()
 {
     ElementRareData* rareData = ensureElementRareData();
-    if (!rareData->activeAnimations())
-        rareData->setActiveAnimations(adoptPtr(new Vector<Animation*>));
-    rareData->activeAnimations()->append(animation);
-}
-
-void Element::removeActiveAnimation(Animation* animation)
-{
-    ElementRareData* rareData = elementRareData();
-    ASSERT(rareData);
-    size_t position = rareData->activeAnimations()->find(animation);
-    ASSERT(position != notFound);
-    rareData->activeAnimations()->remove(position);
+    if (!elementRareData()->activeAnimations())
+        rareData->setActiveAnimations(adoptPtr(new ActiveAnimations()));
+    return rareData->activeAnimations();
 }
 
 bool Element::hasActiveAnimations() const
 {
-    return hasRareData() && elementRareData()->activeAnimations()
-        && elementRareData()->activeAnimations()->size();
-}
+    if (!RuntimeEnabledFeatures::webAnimationsEnabled())
+        return false;
 
-Vector<Animation*>* Element::activeAnimations() const
-{
-    if (!elementRareData())
-        return 0;
-    return elementRareData()->activeAnimations();
+    if (!hasRareData())
+        return false;
+
+    ActiveAnimations* activeAnimations = elementRareData()->activeAnimations();
+    return activeAnimations && !activeAnimations->isEmpty();
 }
 
 Node::NodeType Element::nodeType() const
 {
     return ELEMENT_NODE;
 }
 
 bool Element::hasAttribute(const QualifiedName& name) const
 {
     return hasAttributeNS(name.namespaceURI(), name.localName());
@@ skipping 3234 matching lines @@
     return 0;
 }
 
 Attribute* UniqueElementData::attributeItem(unsigned index)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(index < length());
     return &m_attributeVector.at(index);
 }
 
 } // namespace WebCore