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87 lines
3.7 KiB
C++
87 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla SMIL module.
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*
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* The Initial Developer of the Original Code is the Mozilla Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Daniel Holbert <dholbert@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* representation of a SMIL-animatable mapped attribute on an element */
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#ifndef NS_SMILMAPPEDATTRIBUTE_H_
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#define NS_SMILMAPPEDATTRIBUTE_H_
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#include "nsSMILCSSProperty.h"
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/* We'll use the empty-string atom |nsGkAtoms::_empty| as the key for storing
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* an element's animated content style rule in its Property Table, under the
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* property-category SMIL_MAPPED_ATTR_ANIMVAL. Everything else stored in that
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* category is keyed off of the XML attribute name, so the empty string is a
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* good "reserved" key to use for storing the style rule (since XML attributes
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* all have nonempty names).
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*/
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#define SMIL_MAPPED_ATTR_STYLERULE_ATOM nsGkAtoms::_empty
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/**
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* nsSMILMappedAttribute: Implements the nsISMILAttr interface for SMIL
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* animations whose targets are attributes that map to CSS properties. An
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* instance of this class represents a particular animation-targeted mapped
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* attribute on a particular element.
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*/
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class nsSMILMappedAttribute : public nsSMILCSSProperty {
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public:
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/**
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* Constructs a new nsSMILMappedAttribute.
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*
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* @param aPropID The CSS property for the mapped attribute we're
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* interested in animating.
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* @param aElement The element whose attribute is being animated.
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*/
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nsSMILMappedAttribute(nsCSSProperty aPropID, mozilla::dom::Element* aElement) :
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nsSMILCSSProperty(aPropID, aElement) {}
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// nsISMILAttr methods
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virtual nsresult ValueFromString(const nsAString& aStr,
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const nsISMILAnimationElement* aSrcElement,
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nsSMILValue& aValue,
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bool& aPreventCachingOfSandwich) const;
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virtual nsSMILValue GetBaseValue() const;
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virtual nsresult SetAnimValue(const nsSMILValue& aValue);
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virtual void ClearAnimValue();
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protected:
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// Helper Methods
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void FlushChangesToTargetAttr() const;
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already_AddRefed<nsIAtom> GetAttrNameAtom() const;
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};
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#endif // NS_SMILMAPPEDATTRIBUTE_H_
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