1/*
2 * Copyright (C) 2018-2019 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CSSPropertyNames.h"
29#include "QualifiedName.h"
30#include <wtf/RefCounted.h>
31#include <wtf/StdLibExtras.h>
32
33namespace WebCore {
34
35class SVGElement;
36
37enum class AnimationMode : uint8_t {
38 None,
39 FromTo,
40 FromBy,
41 To,
42 By,
43 Values,
44 Path
45};
46
47enum class CalcMode : uint8_t {
48 Discrete,
49 Linear,
50 Paced,
51 Spline
52};
53
54class SVGAttributeAnimator {
55public:
56 SVGAttributeAnimator(const QualifiedName& attributeName)
57 : m_attributeName(attributeName)
58 {
59 }
60
61 virtual ~SVGAttributeAnimator() = default;
62
63 virtual bool isDiscrete() const { return false; }
64
65 virtual void setFromAndToValues(SVGElement*, const String&, const String&) { }
66 virtual void setFromAndByValues(SVGElement*, const String&, const String&) { }
67 virtual void setToAtEndOfDurationValue(const String&) { }
68
69 virtual void start(SVGElement*) = 0;
70 virtual void animate(SVGElement*, float progress, unsigned repeatCount) = 0;
71 virtual void apply(SVGElement*) = 0;
72 virtual void stop(SVGElement* targetElement) = 0;
73
74 virtual Optional<float> calculateDistance(SVGElement*, const String&, const String&) const { return { }; }
75
76protected:
77 bool isAnimatedStylePropertyAniamtor(const SVGElement*) const;
78
79 static void applyAnimatedStylePropertyChange(SVGElement*, CSSPropertyID, const String& value);
80 static void removeAnimatedStyleProperty(SVGElement*, CSSPropertyID);
81 static void applyAnimatedPropertyChange(SVGElement*, const QualifiedName&);
82
83 void applyAnimatedStylePropertyChange(SVGElement*, const String& value);
84 void removeAnimatedStyleProperty(SVGElement*);
85 void applyAnimatedPropertyChange(SVGElement*);
86
87 const QualifiedName& m_attributeName;
88};
89
90}
91