internal void SetPrimaryUserTrackingId(int newId, EventQueueSection section)
{
int oldId = this.PrimaryUserTrackingId;
this.PrimaryUserTrackingId = newId;
if (oldId != newId)
{
section.Enqueue(
() =>
{
if (this.PrimaryUserChanged != null)
{
var args = new UserTrackingIdChangedEventArgs(oldId, newId);
this.PrimaryUserChanged(this, args);
}
});
// If the new primary user is the same as the engaged user, then there is no candidate user.
// Otherwise, we have a new candidate user as long as the new primary user is a valid user.
this.SetCandidateUserTrackingId(
(this.EngagedUserTrackingId != InvalidUserTrackingId) && (this.EngagedUserTrackingId == newId)
? InvalidUserTrackingId
: newId,
section);
}
}
private void SendTrackedUsersChanged(EventQueueSection section)
{
section.Enqueue(
() =>
{
if (this.TrackedUsersChanged != null)
{
this.TrackedUsersChanged(this, EventArgs.Empty);
}
});
}
private void SetCandidateUserTrackingId(int newId, EventQueueSection section)
{
int oldId = this.CandidateUserTrackingId;
this.CandidateUserTrackingId = newId;
if (oldId != newId)
{
section.Enqueue(
() =>
{
if (this.CandidateUserChanged != null)
{
var args = new UserTrackingIdChangedEventArgs(oldId, newId);
this.CandidateUserChanged(this, args);
}
});
}
}