CSS animation for SVG presentation attribute 'd'

third_party/WebKit/Source/core/animation/animatable/AnimatablePath.h

Index: third_party/WebKit/Source/core/animation/animatable/AnimatablePath.h
diff --git a/third_party/WebKit/Source/core/animation/animatable/AnimatablePath.h b/third_party/WebKit/Source/core/animation/animatable/AnimatablePath.h
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index 0000000000000000000000000000000000000000..27c38a6f4c6adfbf9065db6f5a431de38cc1fec1
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+++ b/third_party/WebKit/Source/core/animation/animatable/AnimatablePath.h
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+// 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.
+
+#ifndef AnimatablePath_h
+#define AnimatablePath_h
+
+#include "core/CoreExport.h"
+#include "core/animation/animatable/AnimatableValue.h"
+#include "core/css/CSSPathValue.h"
+
+namespace blink {
+
+class CORE_EXPORT AnimatablePath final : public AnimatableValue {
+public:
+    ~AnimatablePath() override { }
+    static PassRefPtr<AnimatablePath> create(PassRefPtrWillBeRawPtr<CSSPathValue> pathValue)
+    {
+        return adoptRef(new AnimatablePath(pathValue));
+    }
+
+    CSSPathValue* pathValue() const { return m_pathValue.get(); }
+
+protected:
+    PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
+    bool usesDefaultInterpolationWith(const AnimatableValue*) const override;
+
+private:
+    explicit AnimatablePath(PassRefPtrWillBeRawPtr<CSSPathValue> pathValue)
+        : m_pathValue(pathValue)
+    {
+        ASSERT(m_pathValue);
+    }
+    AnimatableType type() const override { return TypePath; }
+    bool equalTo(const AnimatableValue*) const override;
+    const RefPtrWillBePersistent<CSSPathValue> m_pathValue;
+};
+
+DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatablePath, isPath());
+
+} // namespace blink
+
+#endif // AnimatablePath_h