mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
122 lines
4.8 KiB
C++
122 lines
4.8 KiB
C++
/* -*- 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_SMILTIMEVALUESPEC_H_
|
|
#define NS_SMILTIMEVALUESPEC_H_
|
|
|
|
#include "nsSMILTimeValueSpecParams.h"
|
|
#include "nsReferencedElement.h"
|
|
#include "nsAutoPtr.h"
|
|
|
|
class nsAString;
|
|
class nsSMILTimeValue;
|
|
class nsSMILTimedElement;
|
|
class nsSMILTimeContainer;
|
|
class nsSMILInstanceTime;
|
|
class nsSMILInterval;
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsSMILTimeValueSpec class
|
|
//
|
|
// An individual element of a 'begin' or 'end' attribute, e.g. '5s', 'a.end'.
|
|
// This class handles the parsing of such specifications and performs the
|
|
// necessary event handling (for event, repeat, and accesskey specifications)
|
|
// and synchronisation (for syncbase specifications).
|
|
//
|
|
// For an overview of how this class is related to other SMIL time classes see
|
|
// the documentation in nsSMILTimeValue.h
|
|
|
|
class nsSMILTimeValueSpec
|
|
{
|
|
public:
|
|
nsSMILTimeValueSpec(nsSMILTimedElement& aOwner, PRBool aIsBegin);
|
|
~nsSMILTimeValueSpec();
|
|
|
|
nsresult SetSpec(const nsAString& aStringSpec, nsIContent* aContextNode);
|
|
void ResolveReferences(nsIContent* aContextNode);
|
|
|
|
void HandleNewInterval(const nsSMILInterval& aInterval,
|
|
const nsSMILTimeContainer* aSrcContainer);
|
|
void HandleChangedInterval(const nsSMILInterval& aInterval,
|
|
const nsSMILTimeContainer* aSrcContainer);
|
|
void HandleDeletedInterval();
|
|
|
|
// Cycle-collection support
|
|
void Traverse(nsCycleCollectionTraversalCallback* aCallback);
|
|
void Unlink();
|
|
|
|
protected:
|
|
void UpdateTimebase(nsIContent* aFrom, nsIContent* aTo);
|
|
void UnregisterFromTimebase(nsSMILTimedElement* aTimedElement);
|
|
nsSMILTimedElement* GetTimedElementFromContent(nsIContent* aContent);
|
|
nsSMILTimedElement* GetTimebaseElement();
|
|
nsSMILTimeValue ConvertBetweenTimeContainers(const nsSMILTimeValue& aSrcTime,
|
|
const nsSMILTimeContainer* aSrcContainer);
|
|
|
|
nsSMILTimedElement* mOwner;
|
|
PRPackedBool mIsBegin; // Indicates if *we* are a begin spec,
|
|
// not to be confused with
|
|
// mParams.mSyncBegin which indicates
|
|
// if we're synced with the begin of
|
|
// the target.
|
|
PRPackedBool mVisited;
|
|
PRPackedBool mChainEnd;
|
|
nsSMILTimeValueSpecParams mParams;
|
|
|
|
// The latest instance time we have generated. Only used for syncbase timing
|
|
// where the instance time might actually change.
|
|
nsRefPtr<nsSMILInstanceTime> mLatestInstanceTime;
|
|
|
|
class TimebaseElement : public nsReferencedElement {
|
|
public:
|
|
TimebaseElement(nsSMILTimeValueSpec* aOwner) : mSpec(aOwner) { }
|
|
|
|
protected:
|
|
virtual void ContentChanged(nsIContent* aFrom, nsIContent* aTo) {
|
|
nsReferencedElement::ContentChanged(aFrom, aTo);
|
|
mSpec->UpdateTimebase(aFrom, aTo);
|
|
}
|
|
virtual PRBool IsPersistent() { return PR_TRUE; }
|
|
private:
|
|
nsSMILTimeValueSpec* mSpec;
|
|
};
|
|
|
|
TimebaseElement mTimebase;
|
|
};
|
|
|
|
#endif // NS_SMILTIMEVALUESPEC_H_
|