/usr/include/thunderbird/nsSMILInterval.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef NS_SMILINTERVAL_H_
#define NS_SMILINTERVAL_H_
#include "nsSMILInstanceTime.h"
#include "nsTArray.h"
//----------------------------------------------------------------------
// nsSMILInterval class
//
// A structure consisting of a begin and end time. The begin time must be
// resolved (i.e. not indefinite or unresolved).
//
// For an overview of how this class is related to other SMIL time classes see
// the documentation in nsSMILTimeValue.h
class nsSMILInterval
{
public:
nsSMILInterval();
nsSMILInterval(const nsSMILInterval& aOther);
~nsSMILInterval();
void Unlink(bool aFiltered = false);
const nsSMILInstanceTime* Begin() const
{
MOZ_ASSERT(mBegin && mEnd,
"Requesting Begin() on un-initialized instance time");
return mBegin;
}
nsSMILInstanceTime* Begin();
const nsSMILInstanceTime* End() const
{
MOZ_ASSERT(mBegin && mEnd,
"Requesting End() on un-initialized instance time");
return mEnd;
}
nsSMILInstanceTime* End();
void SetBegin(nsSMILInstanceTime& aBegin);
void SetEnd(nsSMILInstanceTime& aEnd);
void Set(nsSMILInstanceTime& aBegin, nsSMILInstanceTime& aEnd)
{
SetBegin(aBegin);
SetEnd(aEnd);
}
void FixBegin();
void FixEnd();
typedef nsTArray<RefPtr<nsSMILInstanceTime> > InstanceTimeList;
void AddDependentTime(nsSMILInstanceTime& aTime);
void RemoveDependentTime(const nsSMILInstanceTime& aTime);
void GetDependentTimes(InstanceTimeList& aTimes);
// Cue for assessing if this interval can be filtered
bool IsDependencyChainLink() const;
private:
RefPtr<nsSMILInstanceTime> mBegin;
RefPtr<nsSMILInstanceTime> mEnd;
// nsSMILInstanceTimes to notify when this interval is changed or deleted.
InstanceTimeList mDependentTimes;
// Indicates if the end points of the interval are fixed or not.
//
// Note that this is not the same as having an end point whose TIME is fixed
// (i.e. nsSMILInstanceTime::IsFixed() returns true). This is because it is
// possible to have an end point with a fixed TIME and yet still update the
// end point to refer to a different nsSMILInstanceTime object.
//
// However, if mBegin/EndFixed is true, then BOTH the nsSMILInstanceTime
// OBJECT returned for that end point and its TIME value will not change.
bool mBeginFixed;
bool mEndFixed;
};
#endif // NS_SMILINTERVAL_H_
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