[Reland] Web Animations: Introduce String based KeyframeEffectModel

Source/core/animation/AnimatableValueKeyframe.h

Index: Source/core/animation/AnimatableValueKeyframe.h
diff --git a/Source/core/animation/AnimatableValueKeyframe.h b/Source/core/animation/AnimatableValueKeyframe.h
new file mode 100644
index 0000000000000000000000000000000000000000..c32beb1398a85771a2722f5681efc45a93be7d3a
--- /dev/null
+++ b/Source/core/animation/AnimatableValueKeyframe.h
@@ -0,0 +1,74 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef AnimatableValueKeyframe_h
+#define AnimatableValueKeyframe_h
+
+#include "core/animation/AnimatableValue.h"
+#include "core/animation/Keyframe.h"
+
+namespace WebCore {
+
+class AnimatableValueKeyframe : public Keyframe {
+public:
+    static PassRefPtrWillBeRawPtr<AnimatableValueKeyframe> create()
+    {
+        return adoptRefWillBeNoop(new AnimatableValueKeyframe);
+    }
+    void setPropertyValue(CSSPropertyID property, PassRefPtrWillBeRawPtr<AnimatableValue> value)
+    {
+        m_propertyValues.add(property, value);
+    }
+    void clearPropertyValue(CSSPropertyID property) { m_propertyValues.remove(property); }
+    AnimatableValue* propertyValue(CSSPropertyID property) const
+    {
+        ASSERT(m_propertyValues.contains(property));
+        return m_propertyValues.get(property);
+    }
+    virtual PropertySet properties() const OVERRIDE;
+
+    virtual void trace(Visitor*) OVERRIDE;
+
+    class PropertySpecificKeyframe : public Keyframe::PropertySpecificKeyframe {
+    public:
+        PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, const AnimatableValue*, AnimationEffect::CompositeOperation);
+
+        AnimatableValue* value() const { return m_value.get(); }
+
+        virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const OVERRIDE FINAL;
+        virtual PassRefPtrWillBeRawPtr<Interpolation> createInterpolation(CSSPropertyID, WebCore::Keyframe::PropertySpecificKeyframe* end) const OVERRIDE FINAL;
+
+        virtual void trace(Visitor*) OVERRIDE;
+
+    private:
+        PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, PassRefPtrWillBeRawPtr<AnimatableValue>);
+
+        virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> cloneWithOffset(double offset) const OVERRIDE;
+        virtual bool isAnimatableValuePropertySpecificKeyframe() const OVERRIDE { return true; }
+
+        RefPtrWillBeMember<AnimatableValue> m_value;
+    };
+
+private:
+    AnimatableValueKeyframe() { }
+
+    AnimatableValueKeyframe(const AnimatableValueKeyframe& copyFrom);
+
+    virtual PassRefPtrWillBeRawPtr<Keyframe> clone() const OVERRIDE;
+    virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> createPropertySpecificKeyframe(CSSPropertyID) const OVERRIDE;
+
+    virtual bool isAnimatableValueKeyframe() const OVERRIDE { return true; }
+
+    typedef HashMap<CSSPropertyID, RefPtrWillBeMember<AnimatableValue> > PropertyValueMap;
+    PropertyValueMap m_propertyValues;
+};
+
+typedef AnimatableValueKeyframe::PropertySpecificKeyframe AnimatableValuePropertySpecificKeyframe;
+
+DEFINE_TYPE_CASTS(AnimatableValueKeyframe, Keyframe, value, value->isAnimatableValueKeyframe(), value.isAnimatableValueKeyframe());
+DEFINE_TYPE_CASTS(AnimatableValuePropertySpecificKeyframe, Keyframe::PropertySpecificKeyframe, value, value->isAnimatableValuePropertySpecificKeyframe(), value.isAnimatableValuePropertySpecificKeyframe());
+
+}
+
+#endif