Home | History | Annotate | Download | only in style 
      1 /*
      2  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1. Redistributions of source code must retain the above
      9  *    copyright notice, this list of conditions and the following
     10  *    disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above
     12  *    copyright notice, this list of conditions and the following
     13  *    disclaimer in the documentation and/or other materials
     14  *    provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
     20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
     21  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
     25  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
     26  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  */
     29 
     30 #ifndef ShapeValue_h
     31 #define ShapeValue_h
     32 
     33 #include "core/rendering/style/BasicShapes.h"
     34 #include "core/rendering/style/StyleImage.h"
     35 #include "wtf/PassRefPtr.h"
     36 
     37 namespace WebCore {
     38 
     39 class ShapeValue : public RefCounted<ShapeValue> {
     40 public:
     41     enum ShapeValueType {
     42         // The Auto value is defined by a null ShapeValue*
     43         Shape,
     44         Outside,
     45         Image
     46     };
     47 
     48     static PassRefPtr<ShapeValue> createShapeValue(PassRefPtr<BasicShape> shape)
     49     {
     50         return adoptRef(new ShapeValue(shape));
     51     }
     52 
     53     static PassRefPtr<ShapeValue> createOutsideValue()
     54     {
     55         return adoptRef(new ShapeValue(Outside));
     56     }
     57 
     58     static PassRefPtr<ShapeValue> createImageValue(PassRefPtr<StyleImage> image)
     59     {
     60         return adoptRef(new ShapeValue(image));
     61     }
     62 
     63     ShapeValueType type() const { return m_type; }
     64     BasicShape* shape() const { return m_shape.get(); }
     65     StyleImage* image() const { return m_image.get(); }
     66     void setImage(PassRefPtr<StyleImage> image)
     67     {
     68         if (m_image != image)
     69             m_image = image;
     70     }
     71     bool operator==(const ShapeValue& other) const { return type() == other.type(); }
     72 
     73 private:
     74     ShapeValue(PassRefPtr<BasicShape> shape)
     75         : m_type(Shape)
     76         , m_shape(shape)
     77     {
     78     }
     79     ShapeValue(ShapeValueType type)
     80         : m_type(type)
     81     {
     82     }
     83     ShapeValue(PassRefPtr<StyleImage> image)
     84         : m_type(Image)
     85         , m_image(image)
     86     {
     87     }
     88     ShapeValueType m_type;
     89     RefPtr<BasicShape> m_shape;
     90     RefPtr<StyleImage> m_image;
     91 };
     92 
     93 }
     94 
     95 #endif
     96