SVG Web Animations: Add SVGNumberOptionalNumberInterpolationType

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

Index: third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.cpp b/third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d1466b323b05c4597cfc4f3b402e802ad3a014a2
--- /dev/null
+++ b/third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.cpp
@@ -0,0 +1,44 @@
+// 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/SVGNumberOptionalNumberInterpolationType.h"
+
+#include "core/animation/InterpolationEnvironment.h"
+#include "core/animation/StringKeyframe.h"
+#include "core/svg/SVGNumberOptionalNumber.h"
+#include "core/svg/properties/SVGAnimatedProperty.h"
+
+namespace blink {
+
+PassOwnPtr<InterpolationValue> SVGNumberOptionalNumberInterpolationType::maybeConvertNeutral() const
+{
+    return InterpolationValue::create(*this, InterpolableNumber::create(0));
+}
+
+PassOwnPtr<InterpolationValue> SVGNumberOptionalNumberInterpolationType::maybeConvertSVGValue(const SVGPropertyBase& svgValue) const
+{
+    if (svgValue.type() != AnimatedNumberOptionalNumber)
+        return nullptr;
+    const SVGNumberOptionalNumber& numberOptionalNumber = toSVGNumberOptionalNumber(svgValue);
+    OwnPtr<InterpolableList> result = InterpolableList::create(2);
+    result->set(0, InterpolableNumber::create(numberOptionalNumber.firstNumber()->value()));
+    result->set(1, InterpolableNumber::create(numberOptionalNumber.secondNumber()->value()));
+    return InterpolationValue::create(*this, result.release());
+}
+
+PassOwnPtr<InterpolationValue> SVGNumberOptionalNumberInterpolationType::maybeConvertUnderlyingValue(const InterpolationEnvironment& environment) const
+{
+    return maybeConvertSVGValue(environment.svgBaseValue());
+}
+
+RefPtrWillBeRawPtr<SVGPropertyBase> SVGNumberOptionalNumberInterpolationType::appliedSVGValue(const InterpolableValue& interpolableValue, const NonInterpolableValue*) const
+{
+    const InterpolableList& list = toInterpolableList(interpolableValue);
+    return SVGNumberOptionalNumber::create(
+        SVGNumber::create(toInterpolableNumber(list.get(0))->value()),
+        SVGNumber::create(toInterpolableNumber(list.get(1))->value()));
+}
+
+} // namespace blink