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comparison: dom/smil/nsSMILMappedAttribute.h
dom/smil/nsSMILMappedAttribute.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* representation of a SMIL-animatable mapped attribute on an element */ | |
| 7 | |
| 8 #ifndef NS_SMILMAPPEDATTRIBUTE_H_ | |
| 9 #define NS_SMILMAPPEDATTRIBUTE_H_ | |
| 10 | |
| 11 #include "mozilla/Attributes.h" | |
| 12 #include "nsSMILCSSProperty.h" | |
| 13 | |
| 14 /* We'll use the empty-string atom |nsGkAtoms::_empty| as the key for storing | |
| 15 * an element's animated content style rule in its Property Table, under the | |
| 16 * property-category SMIL_MAPPED_ATTR_ANIMVAL. Everything else stored in that | |
| 17 * category is keyed off of the XML attribute name, so the empty string is a | |
| 18 * good "reserved" key to use for storing the style rule (since XML attributes | |
| 19 * all have nonempty names). | |
| 20 */ | |
| 21 #define SMIL_MAPPED_ATTR_STYLERULE_ATOM nsGkAtoms::_empty | |
| 22 | |
| 23 /** | |
| 24 * nsSMILMappedAttribute: Implements the nsISMILAttr interface for SMIL | |
| 25 * animations whose targets are attributes that map to CSS properties. An | |
| 26 * instance of this class represents a particular animation-targeted mapped | |
| 27 * attribute on a particular element. | |
| 28 */ | |
| 29 class nsSMILMappedAttribute : public nsSMILCSSProperty { | |
| 30 public: | |
| 31 /** | |
| 32 * Constructs a new nsSMILMappedAttribute. | |
| 33 * | |
| 34 * @param aPropID The CSS property for the mapped attribute we're | |
| 35 * interested in animating. | |
| 36 * @param aElement The element whose attribute is being animated. | |
| 37 */ | |
| 38 nsSMILMappedAttribute(nsCSSProperty aPropID, mozilla::dom::Element* aElement) : | |
| 39 nsSMILCSSProperty(aPropID, aElement) {} | |
| 40 | |
| 41 // nsISMILAttr methods | |
| 42 virtual nsresult ValueFromString(const nsAString& aStr, | |
| 43 const mozilla::dom::SVGAnimationElement* aSrcElement, | |
| 44 nsSMILValue& aValue, | |
| 45 bool& aPreventCachingOfSandwich) const MOZ_OVERRIDE; | |
| 46 virtual nsSMILValue GetBaseValue() const MOZ_OVERRIDE; | |
| 47 virtual nsresult SetAnimValue(const nsSMILValue& aValue) MOZ_OVERRIDE; | |
| 48 virtual void ClearAnimValue() MOZ_OVERRIDE; | |
| 49 | |
| 50 protected: | |
| 51 // Helper Methods | |
| 52 void FlushChangesToTargetAttr() const; | |
| 53 already_AddRefed<nsIAtom> GetAttrNameAtom() const; | |
| 54 }; | |
| 55 #endif // NS_SMILMAPPEDATTRIBUTE_H_ |
