gecko-dev/content/smil/nsSMILInstanceTime.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Mozilla SMIL module.
*
* The Initial Developer of the Original Code is Brian Birtles.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brian Birtles <birtles@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef NS_SMILINSTANCETIME_H_
#define NS_SMILINSTANCETIME_H_
#include "nsISupports.h"
#include "nsSMILTimeValue.h"
#include "nsWeakReference.h"
#include "nsAutoPtr.h"
class nsSMILTimeValueSpec;
//----------------------------------------------------------------------
// nsSMILInstanceTime
//
// An instant in document simple time that may be used in creating a new
// interval
//
// For an overview of how this class is related to other SMIL time classes see
// the documentstation in nsSMILTimeValue.h
class nsSMILInstanceTime
{
public:
nsSMILInstanceTime(const nsSMILTimeValue& aTime,
nsSMILTimeValueSpec* aCreator,
PRBool aClearOnReset = PR_FALSE);
~nsSMILInstanceTime();
const nsSMILTimeValue& Time() const { return mTime; }
PRBool ClearOnReset() const { return mClearOnReset; }
// void DependentUpdate(const nsSMILTimeValue& aNewTime); -- NOT YET IMPL.
// Used by nsTArray::Sort
class Comparator {
public:
PRBool Equals(const nsSMILInstanceTime& aElem1,
const nsSMILInstanceTime& aElem2) const {
return (aElem1.Time().CompareTo(aElem2.Time()) == 0);
}
PRBool LessThan(const nsSMILInstanceTime& aElem1,
const nsSMILInstanceTime& aElem2) const {
return (aElem1.Time().CompareTo(aElem2.Time()) < 0);
}
};
protected:
nsSMILTimeValue mTime;
/**
* Indicates if this instance time should be removed when the owning timed
* element is reset. True for events and DOM calls.
*/
PRPackedBool mClearOnReset;
};
#endif // NS_SMILINSTANCETIME_H_