| /* |
| * 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 |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef AnimatableColor_h |
| #define AnimatableColor_h |
| |
| #include "core/animation/AnimatableValue.h" |
| #include "platform/graphics/Color.h" |
| |
| namespace WebCore { |
| |
| class AnimatableColorImpl { |
| public: |
| AnimatableColorImpl(float red, float green, float blue, float alpha); |
| AnimatableColorImpl(Color); |
| Color toColor() const; |
| AnimatableColorImpl interpolateTo(const AnimatableColorImpl&, double fraction) const; |
| AnimatableColorImpl addWith(const AnimatableColorImpl&) const; |
| bool operator==(const AnimatableColorImpl&) const; |
| |
| private: |
| float m_alpha; |
| float m_red; |
| float m_green; |
| float m_blue; |
| }; |
| |
| // This class handles both the regular and 'visted link' colors for a given |
| // property. Currently it is used for all properties, even those which do not |
| // support a separate 'visited link' color (eg SVG properties). This is correct |
| // but inefficient. |
| class AnimatableColor : public AnimatableValue { |
| public: |
| static PassRefPtr<AnimatableColor> create(const AnimatableColorImpl&, const AnimatableColorImpl& visitedLinkColor); |
| Color color() const { return m_color.toColor(); } |
| Color visitedLinkColor() const { return m_visitedLinkColor.toColor(); } |
| |
| protected: |
| virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE; |
| virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE; |
| |
| private: |
| AnimatableColor(const AnimatableColorImpl& color, const AnimatableColorImpl& visitedLinkColor) |
| : m_color(color) |
| , m_visitedLinkColor(visitedLinkColor) |
| { |
| } |
| virtual AnimatableType type() const OVERRIDE { return TypeColor; } |
| virtual bool equalTo(const AnimatableValue*) const OVERRIDE; |
| const AnimatableColorImpl m_color; |
| const AnimatableColorImpl m_visitedLinkColor; |
| }; |
| |
| DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableColor, isColor()); |
| |
| } // namespace WebCore |
| |
| #endif // AnimatableColor_h |