1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/smil/nsSMILCSSProperty.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,66 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* representation of a SMIL-animatable CSS property on an element */
1.10 +
1.11 +#ifndef NS_SMILCSSPROPERTY_H_
1.12 +#define NS_SMILCSSPROPERTY_H_
1.13 +
1.14 +#include "mozilla/Attributes.h"
1.15 +#include "nsISMILAttr.h"
1.16 +#include "nsIAtom.h"
1.17 +#include "nsCSSProperty.h"
1.18 +#include "nsCSSValue.h"
1.19 +
1.20 +namespace mozilla {
1.21 +namespace dom {
1.22 +class Element;
1.23 +} // namespace dom
1.24 +} // namespace mozilla
1.25 +
1.26 +/**
1.27 + * nsSMILCSSProperty: Implements the nsISMILAttr interface for SMIL animations
1.28 + * that target CSS properties. Represents a particular animation-targeted CSS
1.29 + * property on a particular element.
1.30 + */
1.31 +class nsSMILCSSProperty : public nsISMILAttr
1.32 +{
1.33 +public:
1.34 + /**
1.35 + * Constructs a new nsSMILCSSProperty.
1.36 + * @param aPropID The CSS property we're interested in animating.
1.37 + * @param aElement The element whose CSS property is being animated.
1.38 + */
1.39 + nsSMILCSSProperty(nsCSSProperty aPropID, mozilla::dom::Element* aElement);
1.40 +
1.41 + // nsISMILAttr methods
1.42 + virtual nsresult ValueFromString(const nsAString& aStr,
1.43 + const mozilla::dom::SVGAnimationElement* aSrcElement,
1.44 + nsSMILValue& aValue,
1.45 + bool& aPreventCachingOfSandwich) const MOZ_OVERRIDE;
1.46 + virtual nsSMILValue GetBaseValue() const MOZ_OVERRIDE;
1.47 + virtual nsresult SetAnimValue(const nsSMILValue& aValue) MOZ_OVERRIDE;
1.48 + virtual void ClearAnimValue() MOZ_OVERRIDE;
1.49 +
1.50 + /**
1.51 + * Utility method - returns true if the given property is supported for
1.52 + * SMIL animation.
1.53 + *
1.54 + * @param aProperty The property to check for animation support.
1.55 + * @return true if the given property is supported for SMIL animation, or
1.56 + * false otherwise
1.57 + */
1.58 + static bool IsPropertyAnimatable(nsCSSProperty aPropID);
1.59 +
1.60 +protected:
1.61 + nsCSSProperty mPropID;
1.62 + // Using non-refcounted pointer for mElement -- we know mElement will stay
1.63 + // alive for my lifetime because a nsISMILAttr (like me) only lives as long
1.64 + // as the Compositing step, and DOM elements don't get a chance to die during
1.65 + // that time.
1.66 + mozilla::dom::Element* mElement;
1.67 +};
1.68 +
1.69 +#endif // NS_SMILCSSPROPERTY_H_
