1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/smil/nsSMILMappedAttribute.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,55 @@
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 mapped attribute on an element */
1.10 +
1.11 +#ifndef NS_SMILMAPPEDATTRIBUTE_H_
1.12 +#define NS_SMILMAPPEDATTRIBUTE_H_
1.13 +
1.14 +#include "mozilla/Attributes.h"
1.15 +#include "nsSMILCSSProperty.h"
1.16 +
1.17 +/* We'll use the empty-string atom |nsGkAtoms::_empty| as the key for storing
1.18 + * an element's animated content style rule in its Property Table, under the
1.19 + * property-category SMIL_MAPPED_ATTR_ANIMVAL. Everything else stored in that
1.20 + * category is keyed off of the XML attribute name, so the empty string is a
1.21 + * good "reserved" key to use for storing the style rule (since XML attributes
1.22 + * all have nonempty names).
1.23 + */
1.24 +#define SMIL_MAPPED_ATTR_STYLERULE_ATOM nsGkAtoms::_empty
1.25 +
1.26 +/**
1.27 + * nsSMILMappedAttribute: Implements the nsISMILAttr interface for SMIL
1.28 + * animations whose targets are attributes that map to CSS properties. An
1.29 + * instance of this class represents a particular animation-targeted mapped
1.30 + * attribute on a particular element.
1.31 + */
1.32 +class nsSMILMappedAttribute : public nsSMILCSSProperty {
1.33 +public:
1.34 + /**
1.35 + * Constructs a new nsSMILMappedAttribute.
1.36 + *
1.37 + * @param aPropID The CSS property for the mapped attribute we're
1.38 + * interested in animating.
1.39 + * @param aElement The element whose attribute is being animated.
1.40 + */
1.41 + nsSMILMappedAttribute(nsCSSProperty aPropID, mozilla::dom::Element* aElement) :
1.42 + nsSMILCSSProperty(aPropID, aElement) {}
1.43 +
1.44 + // nsISMILAttr methods
1.45 + virtual nsresult ValueFromString(const nsAString& aStr,
1.46 + const mozilla::dom::SVGAnimationElement* aSrcElement,
1.47 + nsSMILValue& aValue,
1.48 + bool& aPreventCachingOfSandwich) const MOZ_OVERRIDE;
1.49 + virtual nsSMILValue GetBaseValue() const MOZ_OVERRIDE;
1.50 + virtual nsresult SetAnimValue(const nsSMILValue& aValue) MOZ_OVERRIDE;
1.51 + virtual void ClearAnimValue() MOZ_OVERRIDE;
1.52 +
1.53 +protected:
1.54 + // Helper Methods
1.55 + void FlushChangesToTargetAttr() const;
1.56 + already_AddRefed<nsIAtom> GetAttrNameAtom() const;
1.57 +};
1.58 +#endif // NS_SMILMAPPEDATTRIBUTE_H_
