2 * Copyright (C) 2013 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef AnimatableColor_h
32 #define AnimatableColor_h
34 #include "core/animation/AnimatableValue.h"
35 #include "platform/graphics/Color.h"
39 class AnimatableColorImpl {
41 AnimatableColorImpl(float red, float green, float blue, float alpha);
42 AnimatableColorImpl(Color);
43 Color toColor() const;
44 AnimatableColorImpl interpolateTo(const AnimatableColorImpl&, double fraction) const;
45 bool operator==(const AnimatableColorImpl&) const;
46 double distanceTo(const AnimatableColorImpl&) const;
55 // This class handles both the regular and 'visted link' colors for a given
56 // property. Currently it is used for all properties, even those which do not
57 // support a separate 'visited link' color (eg SVG properties). This is correct
59 class AnimatableColor FINAL : public AnimatableValue {
61 static PassRefPtrWillBeRawPtr<AnimatableColor> create(const AnimatableColorImpl&, const AnimatableColorImpl& visitedLinkColor);
62 Color color() const { return m_color.toColor(); }
63 Color visitedLinkColor() const { return m_visitedLinkColor.toColor(); }
65 virtual void trace(Visitor* visitor) OVERRIDE { AnimatableValue::trace(visitor); }
68 virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
71 AnimatableColor(const AnimatableColorImpl& color, const AnimatableColorImpl& visitedLinkColor)
73 , m_visitedLinkColor(visitedLinkColor)
76 virtual AnimatableType type() const OVERRIDE { return TypeColor; }
77 virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
78 virtual double distanceTo(const AnimatableValue*) const OVERRIDE;
79 const AnimatableColorImpl m_color;
80 const AnimatableColorImpl m_visitedLinkColor;
83 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableColor, isColor());
85 } // namespace WebCore
87 #endif // AnimatableColor_h