third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.h

/*
 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef SVGAnimateMotionElement_h
#define SVGAnimateMotionElement_h

#include "core/svg/SVGAnimationElement.h"
#include "platform/graphics/Path.h"

namespace blink {

class SVGAnimateMotionElement final : public SVGAnimationElement {
  DEFINE_WRAPPERTYPEINFO();

 public:
  ~SVGAnimateMotionElement() override;

  DECLARE_NODE_FACTORY(SVGAnimateMotionElement);
  void updateAnimationPath();

 private:
  explicit SVGAnimateMotionElement(Document&);

  bool hasValidAttributeType() override;
  bool hasValidAttributeName() override;

  void parseAttribute(const QualifiedName&,
                      const AtomicString&,
                      const AtomicString&) override;

  void resetAnimatedType() override;
  void clearAnimatedType() override;
  bool calculateToAtEndOfDurationValue(
      const String& toAtEndOfDurationString) override;
  bool calculateFromAndToValues(const String& fromString,
                                const String& toString) override;
  bool calculateFromAndByValues(const String& fromString,
                                const String& byString) override;
  void calculateAnimatedValue(float percentage,
                              unsigned repeatCount,
                              SVGSMILElement* resultElement) override;
  void applyResultsToTarget() override;
  float calculateDistance(const String& fromString,
                          const String& toString) override;

  enum RotateMode { RotateAngle, RotateAuto, RotateAutoReverse };
  RotateMode getRotateMode() const;

  bool m_hasToPointAtEndOfDuration;

  void updateAnimationMode() override;

  // Note: we do not support percentage values for to/from coords as the spec
  // implies we should (opera doesn't either)
  FloatPoint m_fromPoint;
  FloatPoint m_toPoint;
  FloatPoint m_toPointAtEndOfDuration;

  Path m_path;
  Path m_animationPath;
};

}  // namespace blink

#endif  // SVGAnimateMotionElement_h