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/*
* Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHAPE_VALUE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHAPE_VALUE_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/style/basic_shapes.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/core/style/data_equivalency.h"
#include "third_party/blink/renderer/core/style/style_image.h"
namespace blink {
class ShapeValue final : public GarbageCollectedFinalized<ShapeValue> {
public:
enum ShapeValueType {
// The Auto value is defined by a null ShapeValue*
kShape,
kBox,
kImage
};
static ShapeValue* CreateShapeValue(scoped_refptr<BasicShape> shape,
CSSBoxType css_box) {
return MakeGarbageCollected<ShapeValue>(std::move(shape), css_box);
}
static ShapeValue* CreateBoxShapeValue(CSSBoxType css_box) {
return MakeGarbageCollected<ShapeValue>(css_box);
}
static ShapeValue* CreateImageValue(StyleImage* image) {
return MakeGarbageCollected<ShapeValue>(image);
}
ShapeValue(scoped_refptr<BasicShape> shape, CSSBoxType css_box)
: type_(kShape), shape_(std::move(shape)), css_box_(css_box) {}
ShapeValue(ShapeValueType type)
: type_(type), css_box_(CSSBoxType::kMissing) {}
ShapeValue(StyleImage* image)
: type_(kImage), image_(image), css_box_(CSSBoxType::kContent) {}
ShapeValue(CSSBoxType css_box) : type_(kBox), css_box_(css_box) {}
ShapeValueType GetType() const { return type_; }
BasicShape* Shape() const { return shape_.get(); }
StyleImage* GetImage() const { return image_.Get(); }
void SetImage(StyleImage* image) {
DCHECK_EQ(GetType(), kImage);
if (image_ != image)
image_ = image;
}
CSSBoxType CssBox() const { return css_box_; }
bool operator==(const ShapeValue& other) const;
virtual void Trace(blink::Visitor* visitor) { visitor->Trace(image_); }
private:
ShapeValueType type_;
scoped_refptr<BasicShape> shape_;
Member<StyleImage> image_;
CSSBoxType css_box_;
};
inline bool ShapeValue::operator==(const ShapeValue& other) const {
if (GetType() != other.GetType())
return false;
switch (GetType()) {
case kShape:
return DataEquivalent(Shape(), other.Shape()) &&
CssBox() == other.CssBox();
case kBox:
return CssBox() == other.CssBox();
case kImage:
return DataEquivalent(GetImage(), other.GetImage());
}
NOTREACHED();
return false;
}
} // namespace blink
#endif