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#ifndef SVGAnimateMotionElement_h
22#define SVGAnimateMotionElement_h
23
24#include "core/svg/SVGAnimationElement.h"
25#include "platform/graphics/Path.h"
26
27namespace WebCore {
28
29class AffineTransform;
30
31class SVGAnimateMotionElement FINAL : public SVGAnimationElement {
32public:
33    virtual ~SVGAnimateMotionElement();
34
35    static PassRefPtr<SVGAnimateMotionElement> create(Document&);
36    void updateAnimationPath();
37
38private:
39    explicit SVGAnimateMotionElement(Document&);
40
41    virtual bool hasValidAttributeType();
42    virtual bool hasValidAttributeName();
43
44    bool isSupportedAttribute(const QualifiedName&);
45    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
46
47    virtual void resetAnimatedType();
48    virtual void clearAnimatedType(SVGElement* targetElement);
49    virtual bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString);
50    virtual bool calculateFromAndToValues(const String& fromString, const String& toString);
51    virtual bool calculateFromAndByValues(const String& fromString, const String& byString);
52    virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement);
53    virtual void applyResultsToTarget();
54    virtual float calculateDistance(const String& fromString, const String& toString);
55
56    enum RotateMode {
57        RotateAngle,
58        RotateAuto,
59        RotateAutoReverse
60    };
61    RotateMode rotateMode() const;
62
63    bool m_hasToPointAtEndOfDuration;
64
65    virtual void updateAnimationMode() OVERRIDE;
66
67    // Note: we do not support percentage values for to/from coords as the spec implies we should (opera doesn't either)
68    FloatPoint m_fromPoint;
69    FloatPoint m_toPoint;
70    FloatPoint m_toPointAtEndOfDuration;
71
72    Path m_path;
73    Path m_animationPath;
74};
75
76} // namespace WebCore
77
78#endif // SVGAnimateMotionElement_h
79