third_party/WebKit/Source/core/animation/BasicShapePropertyFunctions.h

// 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 BasicShapePropertyFunctions_h
#define BasicShapePropertyFunctions_h

#include "core/CSSPropertyNames.h"
#include "core/style/BasicShapes.h"
#include "core/style/ComputedStyle.h"
#include "wtf/Allocator.h"

namespace blink {

class ComputedStyle;

class BasicShapePropertyFunctions {
  STATIC_ONLY(BasicShapePropertyFunctions);

 public:
  static const BasicShape* getInitialBasicShape(CSSPropertyID property) {
    return getBasicShape(property, ComputedStyle::initialStyle());
  }

  static const BasicShape* getBasicShape(CSSPropertyID property,
                                         const ComputedStyle& style) {
    switch (property) {
      case CSSPropertyShapeOutside:
        if (!style.shapeOutside())
          return nullptr;
        if (style.shapeOutside()->type() != ShapeValue::Shape)
          return nullptr;
        if (style.shapeOutside()->cssBox() != BoxMissing)
          return nullptr;
        return style.shapeOutside()->shape();
      case CSSPropertyClipPath:
        if (!style.clipPath())
          return nullptr;
        if (style.clipPath()->type() != ClipPathOperation::SHAPE)
          return nullptr;
        return toShapeClipPathOperation(style.clipPath())->basicShape();
      default:
        NOTREACHED();
        return nullptr;
    }
  }

  static void setBasicShape(CSSPropertyID property,
                            ComputedStyle& style,
                            PassRefPtr<BasicShape> shape) {
    switch (property) {
      case CSSPropertyShapeOutside:
        style.setShapeOutside(
            ShapeValue::createShapeValue(std::move(shape), BoxMissing));
        break;
      case CSSPropertyClipPath:
        style.setClipPath(ShapeClipPathOperation::create(std::move(shape)));
        break;
      default:
        NOTREACHED();
    }
  }
};

}  // namespace blink

#endif  // BasicShapePropertyFunctions_h