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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : /* representation of a dummy attribute targeted by <animateMotion> element */
       8             : 
       9             : #ifndef MOZILLA_SVGMOTIONSMILATTR_H_
      10             : #define MOZILLA_SVGMOTIONSMILATTR_H_
      11             : 
      12             : #include "mozilla/Attributes.h"
      13             : #include "nsISMILAttr.h"
      14             : 
      15             : class nsIContent;
      16             : class nsSMILValue;
      17             : class nsSVGElement;
      18             : 
      19             : namespace mozilla {
      20             : 
      21             : namespace dom {
      22             : class SVGAnimationElement;
      23             : } // namespace dom
      24             : 
      25             : /**
      26             :  * SVGMotionSMILAttr: Implements the nsISMILAttr interface for SMIL animations
      27             :  * from <animateMotion>.
      28             :  *
      29             :  * NOTE: Even though there's technically no "motion" attribute, we behave in
      30             :  * many ways as if there were, for simplicity.
      31             :  */
      32           0 : class SVGMotionSMILAttr : public nsISMILAttr
      33             : {
      34             : public:
      35           0 :   explicit SVGMotionSMILAttr(nsSVGElement* aSVGElement)
      36           0 :     : mSVGElement(aSVGElement) {}
      37             : 
      38             :   // nsISMILAttr methods
      39             :   virtual nsresult ValueFromString(const nsAString& aStr,
      40             :                                    const dom::SVGAnimationElement* aSrcElement,
      41             :                                    nsSMILValue& aValue,
      42             :                                    bool& aPreventCachingOfSandwich) const override;
      43             :   virtual nsSMILValue GetBaseValue() const override;
      44             :   virtual nsresult    SetAnimValue(const nsSMILValue& aValue) override;
      45             :   virtual void        ClearAnimValue() override;
      46             :   virtual const nsIContent* GetTargetNode() const override;
      47             : 
      48             : protected:
      49             :   // Raw pointers are OK here because this SVGMotionSMILAttr is both
      50             :   // created & destroyed during a SMIL sample-step, during which time the DOM
      51             :   // isn't modified.
      52             :   nsSVGElement* mSVGElement;
      53             : };
      54             : 
      55             : } // namespace mozilla
      56             : 
      57             : #endif // MOZILLA_SVGMOTIONSMILATTR_H_