| /* |
| * 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 ShapeValue_h |
| #define ShapeValue_h |
| |
| #include "core/fetch/ImageResource.h" |
| #include "core/rendering/style/BasicShapes.h" |
| #include "core/rendering/style/DataEquivalency.h" |
| #include "core/rendering/style/RenderStyleConstants.h" |
| #include "core/rendering/style/StyleImage.h" |
| #include "wtf/PassRefPtr.h" |
| |
| namespace blink { |
| |
| class ShapeValue : public RefCounted<ShapeValue> { |
| public: |
| enum ShapeValueType { |
| // The Auto value is defined by a null ShapeValue* |
| Shape, |
| Box, |
| Image |
| }; |
| |
| static PassRefPtr<ShapeValue> createShapeValue(PassRefPtr<BasicShape> shape, CSSBoxType cssBox) |
| { |
| return adoptRef(new ShapeValue(shape, cssBox)); |
| } |
| |
| static PassRefPtr<ShapeValue> createBoxShapeValue(CSSBoxType cssBox) |
| { |
| return adoptRef(new ShapeValue(cssBox)); |
| } |
| |
| static PassRefPtr<ShapeValue> createImageValue(PassRefPtr<StyleImage> image) |
| { |
| return adoptRef(new ShapeValue(image)); |
| } |
| |
| ShapeValueType type() const { return m_type; } |
| BasicShape* shape() const { return m_shape.get(); } |
| |
| StyleImage* image() const { return m_image.get(); } |
| bool isImageValid() const |
| { |
| if (!image()) |
| return false; |
| if (image()->isImageResource() || image()->isImageResourceSet()) |
| return image()->cachedImage() && image()->cachedImage()->hasImage(); |
| return image()->isGeneratedImage(); |
| } |
| void setImage(PassRefPtr<StyleImage> image) |
| { |
| ASSERT(type() == Image); |
| if (m_image != image) |
| m_image = image; |
| } |
| CSSBoxType cssBox() const { return m_cssBox; } |
| |
| bool operator==(const ShapeValue& other) const; |
| |
| private: |
| ShapeValue(PassRefPtr<BasicShape> shape, CSSBoxType cssBox) |
| : m_type(Shape) |
| , m_shape(shape) |
| , m_cssBox(cssBox) |
| { |
| } |
| ShapeValue(ShapeValueType type) |
| : m_type(type) |
| , m_cssBox(BoxMissing) |
| { |
| } |
| ShapeValue(PassRefPtr<StyleImage> image) |
| : m_type(Image) |
| , m_image(image) |
| , m_cssBox(ContentBox) |
| { |
| } |
| ShapeValue(CSSBoxType cssBox) |
| : m_type(Box) |
| , m_cssBox(cssBox) |
| { |
| } |
| |
| |
| ShapeValueType m_type; |
| RefPtr<BasicShape> m_shape; |
| RefPtr<StyleImage> m_image; |
| CSSBoxType m_cssBox; |
| }; |
| |
| inline bool ShapeValue::operator==(const ShapeValue& other) const |
| { |
| if (type() != other.type()) |
| return false; |
| |
| switch (type()) { |
| case Shape: |
| return dataEquivalent(shape(), other.shape()) && cssBox() == other.cssBox(); |
| case Box: |
| return cssBox() == other.cssBox(); |
| case Image: |
| return dataEquivalent(image(), other.image()); |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| } |
| |
| #endif |