public void addLocalHistoryEntry(LocalHistoryEntry entry)
{
D.assert(entry._owner == null);
entry._owner = this;
this._localHistory = this._localHistory ?? new List<LocalHistoryEntry>();
var wasEmpty = this._localHistory.isEmpty();
this._localHistory.Add(entry);
if (wasEmpty) {
this.changedInternalState();
}
}
public void removeLocalHistoryEntry(LocalHistoryEntry entry)
{
D.assert(entry != null);
D.assert(entry._owner == this);
D.assert(this._localHistory.Contains(entry));
this._localHistory.Remove(entry);
entry._owner = null;
entry._notifyRemoved();
if (this._localHistory.isEmpty()) {
this.changedInternalState();
}
}
public void removeLocalHistoryEntry(LocalHistoryEntry entry)
{
D.assert(entry != null);
D.assert(entry._owner == this);
D.assert(_localHistory.Contains(entry));
_localHistory.Remove(entry);
entry._owner = null;
entry._notifyRemoved();
if (_localHistory.isEmpty())
{
if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.persistentCallbacks)
{
SchedulerBinding.instance.addPostFrameCallback((TimeSpan timestamp) => {
changedInternalState();
});
}
else
{
changedInternalState();
}
}
}