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1 /* | |
2 * Copyright (C) 2013 Google Inc. 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 are | |
6 * met: | |
7 * | |
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 | |
13 * distribution. | |
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. | |
17 * | |
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. | |
29 */ | |
30 | |
31 #ifndef AnimatableColor_h | |
32 #define AnimatableColor_h | |
33 | |
34 #include "core/CoreExport.h" | |
35 #include "core/animation/animatable/AnimatableValue.h" | |
36 #include "platform/graphics/Color.h" | |
37 #include "platform/wtf/Allocator.h" | |
38 | |
39 namespace blink { | |
40 | |
41 class AnimatableColorImpl { | |
42 DISALLOW_NEW(); | |
43 | |
44 public: | |
45 AnimatableColorImpl(float red, float green, float blue, float alpha); | |
46 AnimatableColorImpl(Color); | |
47 bool operator==(const AnimatableColorImpl&) const; | |
48 | |
49 private: | |
50 float alpha_; | |
51 float red_; | |
52 float green_; | |
53 float blue_; | |
54 }; | |
55 | |
56 // This class handles both the regular and 'visted link' colors for a given | |
57 // property. Currently it is used for all properties, even those which do not | |
58 // support a separate 'visited link' color (eg SVG properties). This is correct | |
59 // but inefficient. | |
60 class AnimatableColor final : public AnimatableValue { | |
61 public: | |
62 static PassRefPtr<AnimatableColor> Create( | |
63 const AnimatableColorImpl&, | |
64 const AnimatableColorImpl& visited_link_color); | |
65 | |
66 private: | |
67 AnimatableColor(const AnimatableColorImpl& color, | |
68 const AnimatableColorImpl& visited_link_color) | |
69 : color_(color), visited_link_color_(visited_link_color) {} | |
70 AnimatableType GetType() const override { return kTypeColor; } | |
71 bool EqualTo(const AnimatableValue*) const override; | |
72 const AnimatableColorImpl color_; | |
73 const AnimatableColorImpl visited_link_color_; | |
74 }; | |
75 | |
76 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableColor, IsColor()); | |
77 | |
78 } // namespace blink | |
79 | |
80 #endif // AnimatableColor_h | |
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