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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 SMIL-animatable CSS property on an element */
#ifndef NS_SMILCSSPROPERTY_H_
#define NS_SMILCSSPROPERTY_H_
#include "mozilla/Attributes.h"
#include "nsISMILAttr.h"
#include "nsIAtom.h"
#include "nsCSSPropertyID.h"
#include "nsCSSValue.h"
namespace mozilla {
namespace dom {
class Element;
} // namespace dom
} // namespace mozilla
/**
* nsSMILCSSProperty: Implements the nsISMILAttr interface for SMIL animations
* that target CSS properties. Represents a particular animation-targeted CSS
* property on a particular element.
*/
class nsSMILCSSProperty : public nsISMILAttr
{
public:
/**
* Constructs a new nsSMILCSSProperty.
* @param aPropID The CSS property we're interested in animating.
* @param aElement The element whose CSS property is being animated.
*/
nsSMILCSSProperty(nsCSSPropertyID aPropID, mozilla::dom::Element* aElement);
// nsISMILAttr methods
virtual nsresult ValueFromString(const nsAString& aStr,
const mozilla::dom::SVGAnimationElement* aSrcElement,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const override;
virtual nsSMILValue GetBaseValue() const override;
virtual nsresult SetAnimValue(const nsSMILValue& aValue) override;
virtual void ClearAnimValue() override;
/**
* Utility method - returns true if the given property is supported for
* SMIL animation.
*
* @param aProperty The property to check for animation support.
* @return true if the given property is supported for SMIL animation, or
* false otherwise
*/
static bool IsPropertyAnimatable(nsCSSPropertyID aPropID);
protected:
nsCSSPropertyID mPropID;
// Using non-refcounted pointer for mElement -- we know mElement will stay
// alive for my lifetime because a nsISMILAttr (like me) only lives as long
// as the Compositing step, and DOM elements don't get a chance to die during
// that time.
mozilla::dom::Element* mElement;
};
#endif // NS_SMILCSSPROPERTY_H_
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