gecko-dev/dom/svg/SVGMotionSMILAttr.h

58 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* representation of a dummy attribute targeted by <animateMotion> element */
#ifndef DOM_SVG_SVGMOTIONSMILATTR_H_
#define DOM_SVG_SVGMOTIONSMILATTR_H_
#include "mozilla/Attributes.h"
#include "mozilla/SMILAttr.h"
class nsIContent;
namespace mozilla {
class SMILValue;
namespace dom {
class SVGAnimationElement;
class SVGElement;
} // namespace dom
/**
* SVGMotionSMILAttr: Implements the SMILAttr interface for SMIL animations
* from <animateMotion>.
*
* NOTE: Even though there's technically no "motion" attribute, we behave in
* many ways as if there were, for simplicity.
*/
class SVGMotionSMILAttr : public SMILAttr {
public:
explicit SVGMotionSMILAttr(dom::SVGElement* aSVGElement)
: mSVGElement(aSVGElement) {}
// SMILAttr methods
nsresult ValueFromString(const nsAString& aStr,
const dom::SVGAnimationElement* aSrcElement,
SMILValue& aValue,
bool& aPreventCachingOfSandwich) const override;
SMILValue GetBaseValue() const override;
nsresult SetAnimValue(const SMILValue& aValue) override;
void ClearAnimValue() override;
const nsIContent* GetTargetNode() const override;
protected:
// Raw pointers are OK here because this SVGMotionSMILAttr is both
// created & destroyed during a SMIL sample-step, during which time the DOM
// isn't modified.
dom::SVGElement* mSVGElement;
};
} // namespace mozilla
#endif // DOM_SVG_SVGMOTIONSMILATTR_H_