Web Animations CSS: Support animation of fill and stroke

Source/core/animation/AnimatableSVGPaint.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS 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 AnimatableImage_h
-#define AnimatableImage_h
+#ifndef AnimatableSVGPaint_h
+#define AnimatableSVGPaint_h
 
+#include "core/animation/AnimatableColor.h"
 #include "core/animation/AnimatableValue.h"
-#include "core/css/CSSCrossfadeValue.h"
-#include "core/rendering/style/StyleImage.h"
+#include "core/svg/SVGPaint.h"
 
 namespace WebCore {
 
-class AnimatableImage : public AnimatableValue {
+class AnimatableSVGPaint : public AnimatableValue {
 public:
-    virtual ~AnimatableImage() { }
-    static PassRefPtr<AnimatableImage> create(StyleImage* image)
+    virtual ~AnimatableSVGPaint() { }
+    static PassRefPtr<AnimatableSVGPaint> create(SVGPaint::SVGPaintType type, const Color& color, const String& uri)
     {
-        return adoptRef(new AnimatableImage(image));
+        return create(type, AnimatableColorImpl(color), uri);
     }
-    PassRefPtr<CSSValue> toCSSValue() const { return m_image->cssValue(); }
-    StyleImage* toStyleImage() const { return m_image.get(); }
+    static PassRefPtr<AnimatableSVGPaint> create(SVGPaint::SVGPaintType type, const AnimatableColorImpl& color, const String& uri)
+    {
+        return adoptRef(new AnimatableSVGPaint(type, color, uri));
+    }
+    SVGPaint::SVGPaintType paintType() const { return m_type; };
+    Color color() const { return m_color.toColor(); };
+    const String& uri() const { return m_uri; };
 
 protected:
     virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
     virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE;
 
 private:
-    AnimatableImage(StyleImage* image)
-        : m_image(image)
+    AnimatableSVGPaint(SVGPaint::SVGPaintType type, const AnimatableColorImpl& color, const String& uri)
+        : m_type(type)
+        , m_color(color)
+        , m_uri(uri)
     {
-        ASSERT(m_image);
     }
-    virtual AnimatableType type() const OVERRIDE { return TypeImage; }
+    virtual AnimatableType type() const OVERRIDE { return TypeSVGPaint; }
 
-    const RefPtr<StyleImage> m_image;
+    SVGPaint::SVGPaintType m_type;
+    AnimatableColorImpl m_color;
+    String m_uri;
 };
 
-inline const AnimatableImage* toAnimatableImage(const AnimatableValue* value)
+inline const AnimatableSVGPaint* toAnimatableSVGPaint(const AnimatableValue* value)
 {
-    ASSERT_WITH_SECURITY_IMPLICATION(value && value->isImage());
-    return static_cast<const AnimatableImage*>(value);
+    ASSERT_WITH_SECURITY_IMPLICATION(value && value->isSVGPaint());
+    return static_cast<const AnimatableSVGPaint*>(value);
 }
 
 } // namespace WebCore
 
-#endif // AnimatableImage_h
+#endif // AnimatableSVGPaint_h