SVG Web Animations: Add SVGInterpolationType pipeline

third_party/WebKit/Source/core/animation/SVGValueInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/SVGValueInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/SVGValueInterpolationType.cpp b/third_party/WebKit/Source/core/animation/SVGValueInterpolationType.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c7c37ac42f256ad3f1c3815467e8083ff3475bc7
--- /dev/null
+++ b/third_party/WebKit/Source/core/animation/SVGValueInterpolationType.cpp
@@ -0,0 +1,49 @@
+// Copyright 2015 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.
+
+#include "config.h"
+#include "core/animation/SVGValueInterpolationType.h"
+
+#include "core/animation/InterpolationEnvironment.h"
+#include "core/animation/StringKeyframe.h"
+#include "core/svg/properties/SVGAnimatedProperty.h"
+
+namespace blink {
+
+class SVGValueNonInterpolableValue : public NonInterpolableValue {
+public:
+    virtual ~SVGValueNonInterpolableValue() {}
+
+    static PassRefPtr<SVGValueNonInterpolableValue> create(PassRefPtrWillBeRawPtr<SVGPropertyBase> svgValue)
+    {
+        return adoptRef(new SVGValueNonInterpolableValue(svgValue));
+    }
+
+    PassRefPtrWillBeRawPtr<SVGPropertyBase> svgValue() const { return m_svgValue; }
+
+    DECLARE_NON_INTERPOLABLE_VALUE_TYPE();
+
+private:
+    SVGValueNonInterpolableValue(PassRefPtrWillBeRawPtr<SVGPropertyBase> svgValue)
+        : m_svgValue(svgValue)
+    {}
+
+    RefPtrWillBePersistent<SVGPropertyBase> m_svgValue;
+};
+
+DEFINE_NON_INTERPOLABLE_VALUE_TYPE(SVGValueNonInterpolableValue);
+DEFINE_NON_INTERPOLABLE_VALUE_TYPE_CASTS(SVGValueNonInterpolableValue);
+
+PassOwnPtr<InterpolationValue> SVGValueInterpolationType::maybeConvertSVGValue(const SVGPropertyBase& value) const
+{
+    RefPtrWillBeRawPtr<SVGPropertyBase> referencedValue = const_cast<SVGPropertyBase*>(&value); // Take ref.
+    return InterpolationValue::create(*this, InterpolableList::create(0), SVGValueNonInterpolableValue::create(referencedValue.release()));
+}
+
+RefPtrWillBeRawPtr<SVGPropertyBase> SVGValueInterpolationType::appliedSVGValue(const InterpolableValue&, const NonInterpolableValue* nonInterpolableValue) const
+{
+    return toSVGValueNonInterpolableValue(*nonInterpolableValue).svgValue();
+}
+
+} // namespace blink