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99 lines
4.1 KiB
C++
99 lines
4.1 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 Brian Birtles.
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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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* Brian Birtles <birtles@gmail.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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#ifndef NS_SMILSETANIMATIONFUNCTION_H_
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#define NS_SMILSETANIMATIONFUNCTION_H_
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#include "nsSMILAnimationFunction.h"
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//----------------------------------------------------------------------
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// nsSMILSetAnimationFunction
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//
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// Subclass of nsSMILAnimationFunction that limits the behaviour to that offered
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// by a <set> element.
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//
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class nsSMILSetAnimationFunction : public nsSMILAnimationFunction
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{
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public:
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/*
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* Sets animation-specific attributes (or marks them dirty, in the case
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* of from/to/by/values).
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*
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* @param aAttribute The attribute being set
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* @param aValue The updated value of the attribute.
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* @param aResult The nsAttrValue object that may be used for storing the
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* parsed result.
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* @param aParseResult Outparam used for reporting parse errors. Will be set
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* to NS_OK if everything succeeds.
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* @returns PR_TRUE if aAttribute is a recognized animation-related
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* attribute; PR_FALSE otherwise.
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*/
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virtual PRBool SetAttr(nsIAtom* aAttribute, const nsAString& aValue,
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nsAttrValue& aResult, nsresult* aParseResult = nsnull);
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/*
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* Unsets the given attribute.
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*
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* @returns PR_TRUE if aAttribute is a recognized animation-related
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* attribute; PR_FALSE otherwise.
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*/
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NS_OVERRIDE virtual PRBool UnsetAttr(nsIAtom* aAttribute);
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protected:
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// Although <set> animation might look like to-animation, unlike to-animation,
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// it never interpolates values.
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// Returning PR_FALSE here will mean this animation function gets treated as
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// a single-valued function and no interpolation will be attempted.
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NS_OVERRIDE virtual PRBool IsToAnimation() const {
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return PR_FALSE;
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}
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// <set> applies the exact same value across the simple duration.
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NS_OVERRIDE virtual PRBool IsValueFixedForSimpleDuration() const {
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return PR_TRUE;
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}
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NS_OVERRIDE virtual PRBool HasAttr(nsIAtom* aAttName) const;
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NS_OVERRIDE virtual const nsAttrValue* GetAttr(nsIAtom* aAttName) const;
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NS_OVERRIDE virtual PRBool GetAttr(nsIAtom* aAttName,
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nsAString& aResult) const;
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NS_OVERRIDE virtual PRBool WillReplace() const;
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PRBool IsDisallowedAttribute(const nsIAtom* aAttribute) const;
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};
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#endif // NS_SMILSETANIMATIONFUNCTION_H_
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