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100 lines
3.8 KiB
C++
100 lines
3.8 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) 2009
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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 CSS property on an element */
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#ifndef NS_SMILCSSPROPERTY_H_
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#define NS_SMILCSSPROPERTY_H_
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#include "nsISMILAttr.h"
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#include "nsIAtom.h"
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#include "nsCSSProperty.h"
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#include "nsCSSValue.h"
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class nsIContent;
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namespace mozilla {
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namespace dom {
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class Element;
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} // namespace dom
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} // namespace mozilla
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/**
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* nsSMILCSSProperty: Implements the nsISMILAttr interface for SMIL animations
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* that target CSS properties. Represents a particular animation-targeted CSS
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* property on a particular element.
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*/
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class nsSMILCSSProperty : public nsISMILAttr
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{
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public:
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/**
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* Constructs a new nsSMILCSSProperty.
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* @param aPropID The CSS property we're interested in animating.
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* @param aElement The element whose CSS property is being animated.
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*/
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nsSMILCSSProperty(nsCSSProperty aPropID, mozilla::dom::Element* 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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/**
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* Utility method - returns true if the given property is supported for
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* SMIL animation.
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*
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* @param aProperty The property to check for animation support.
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* @return true if the given property is supported for SMIL animation, or
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* false otherwise
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*/
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static bool IsPropertyAnimatable(nsCSSProperty aPropID);
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protected:
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nsCSSProperty mPropID;
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// Using non-refcounted pointer for mElement -- we know mElement will stay
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// alive for my lifetime because a nsISMILAttr (like me) only lives as long
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// as the Compositing step, and DOM elements don't get a chance to die during
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// that time.
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mozilla::dom::Element* mElement;
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};
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#endif // NS_SMILCSSPROPERTY_H_
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