CSS Motion Path: Implement animation for the offset-path property

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

+// Copyright 2017 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 "core/animation/PathPropertyFunctions.h"
+
+#include "core/style/ComputedStyle.h"
+
+namespace blink {
+
+StylePath* PathPropertyFunctions::getPath(CSSPropertyID property,
+                                          const ComputedStyle& style) {
+  switch (property) {
+    case CSSPropertyD:
+      return style.svgStyle().d();
+    case CSSPropertyOffsetPath:
+      return style.offsetPath();
+    default:
+      NOTREACHED();
+      return nullptr;
+  }
+}
+
+void PathPropertyFunctions::setPath(CSSPropertyID property,
+                                    ComputedStyle& style,
+                                    RefPtr<blink::StylePath> path) {
+  switch (property) {
+    case CSSPropertyD:
+      style.setD(std::move(path));
+      return;
+    case CSSPropertyOffsetPath:
+      style.setOffsetPath(std::move(path));
+      return;
+    default:
+      NOTREACHED();
+      return;
+  }
+}
+
+}  // namespace blink