1/*
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2008 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#pragma once
22
23#include "Path.h"
24#include "SVGAnimationElement.h"
25
26namespace WebCore {
27
28class AffineTransform;
29
30class SVGAnimateMotionElement final : public SVGAnimationElement {
31 WTF_MAKE_ISO_ALLOCATED(SVGAnimateMotionElement);
32public:
33 static Ref<SVGAnimateMotionElement> create(const QualifiedName&, Document&);
34 void updateAnimationPath();
35
36private:
37 SVGAnimateMotionElement(const QualifiedName&, Document&);
38
39 bool hasValidAttributeType() const override;
40 bool hasValidAttributeName() const override;
41
42 void parseAttribute(const QualifiedName&, const AtomicString&) override;
43
44 void resetAnimatedType() override;
45 void clearAnimatedType(SVGElement* targetElement) override;
46 bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString) override;
47 bool calculateFromAndToValues(const String& fromString, const String& toString) override;
48 bool calculateFromAndByValues(const String& fromString, const String& byString) override;
49 void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement) override;
50 void applyResultsToTarget() override;
51 Optional<float> calculateDistance(const String& fromString, const String& toString) override;
52
53 enum RotateMode {
54 RotateAngle,
55 RotateAuto,
56 RotateAutoReverse
57 };
58 RotateMode rotateMode() const;
59 void buildTransformForProgress(AffineTransform*, float percentage);
60
61 bool m_hasToPointAtEndOfDuration;
62
63 void updateAnimationMode() override;
64
65 // Note: we do not support percentage values for to/from coords as the spec implies we should (opera doesn't either)
66 FloatPoint m_fromPoint;
67 FloatPoint m_toPoint;
68 FloatPoint m_toPointAtEndOfDuration;
69
70 Path m_path;
71 Path m_animationPath;
72};
73
74} // namespace WebCore
75