private IDisposable BindAvatars(
IAvatarManager avatarManager,
IObservable <Range> visibleRangeChanges)
{
var prevRange = new Range(0, 0);
return(visibleRangeChanges
.SelectMany(range =>
{
var releases = avatarManager.ReleaseAvatars(_items, prevRange, range);
var loads = avatarManager.LoadAvatars(_items, prevRange, range);
return releases.Concat(loads);
})
.SubscribeOn(TaskPoolScheduler.Default)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(action => action()));
}
private IDisposable BindAvatarLoading(
IObservable <VisibleRangeNotifiedArgs> visibleRangeChanges,
IAvatarManager avatarManager)
{
var prevRange = new Range(0, 0);
return(visibleRangeChanges
.ObserveOn(TaskPoolScheduler.Default)
.SubscribeOn(RxApp.MainThreadScheduler)
.Subscribe(args =>
{
var range = args.Range;
avatarManager.ReleaseAvatars(_items, prevRange, range)
.DisposeWith(_serviceDisposable);
avatarManager.LoadAvatars(_items, prevRange, range)
.DisposeWith(_serviceDisposable);
prevRange = range;
}));
}
