1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright (C) 2007 Apple 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:
*
* 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.
* 3. Neither the name of Apple Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
*/
#pragma once
#include "CSSPropertyNames.h"
#include "CompositeOperation.h"
#include "IterationCompositeOperation.h"
#include "WebAnimationTypes.h"
#include <wtf/HashSet.h>
namespace WebCore {
class Document;
class RenderStyle;
class Settings;
namespace Style::Interpolation {
class Client;
// MARK: - RenderStyle independent
// Returns whether the property can ever be interpolated.
//
// Controlled for non-custom properties by the "animation-type" key in CSSProperties.json.
bool canInterpolate(const AnimatableCSSProperty&);
// Returns whether the property supports additive or cumulative interpolation.
//
// Controlled for non-custom properties by the "animation-wrapper-requires-non-additive-or-cumulative-interpolation" key in CSSProperties.json.
bool isAdditiveOrCumulative(const AnimatableCSSProperty&);
// Returns whether the property supports accelerated animation.
//
// Controlled for non-custom properties by the "animation-wrapper-acceleration" key in CSSProperties.json.
bool isAccelerated(const AnimatableCSSProperty&, const Settings&);
// MARK: - RenderStyle dependent
// Returns whether the property's values in RenderStyle `a` and `b` are equal.
//
// Controlled for non-custom properties by implementing `equals` on the properties interpolation wrapper.
bool equals(const AnimatableCSSProperty&, const RenderStyle& a, const RenderStyle& b, const Document&);
// Returns whether the property can be interpolated with the values in RenderStyle `a` and `b`.
//
// Controlled for non-custom properties by implementing `canInterpolate` on the properties interpolation wrapper.
bool canInterpolate(const AnimatableCSSProperty&, const RenderStyle& a, const RenderStyle& b, const Document&);
// Interpolates the property from RenderStyle `a` to RenderStyle `b` into RenderStyle `destination`.
//
// Controlled for non-custom properties by implementing `interpolate` on the properties interpolation wrapper.
void interpolate(const AnimatableCSSProperty&, RenderStyle& destination, const RenderStyle& from, const RenderStyle& to, double progress, CompositeOperation, IterationCompositeOperation, double currentIteration, const Client&);
void interpolate(const AnimatableCSSProperty&, RenderStyle& destination, const RenderStyle& from, const RenderStyle& to, double progress, CompositeOperation, const Client&);
// Returns whether the property requires interpolation for accumulative iteration for the values in RenderStyle `a` and `b`
//
// Controlled for non-custom properties by implementing `requiresInterpolationForAccumulativeIteration` on the properties interpolation wrapper.
bool requiresInterpolationForAccumulativeIteration(const AnimatableCSSProperty&, const RenderStyle& a, const RenderStyle& b, const Client&);
} // namespace Style::Interpolation
} // namespace WebCore
|
