void setupRx(IEnumerable <T> initialContents = null, double resetChangeThreshold = 0.3, IScheduler scheduler = null)
{
scheduler = scheduler ?? RxApp.MainThreadScheduler;
_inner = _inner ?? new List <T>();
_changing = new Subject <NotifyCollectionChangedEventArgs>();
_changing.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(raiseCollectionChanging);
_changed = new Subject <NotifyCollectionChangedEventArgs>();
_changed.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(raiseCollectionChanged);
ResetChangeThreshold = resetChangeThreshold;
_beforeItemsAdded = new Lazy <Subject <T> >(() => new Subject <T>());
_itemsAdded = new Lazy <Subject <T> >(() => new Subject <T>());
_beforeItemsRemoved = new Lazy <Subject <T> >(() => new Subject <T>());
_itemsRemoved = new Lazy <Subject <T> >(() => new Subject <T>());
_itemChanging = new Lazy <ISubject <IReactivePropertyChangedEventArgs <T> > >(() => new ScheduledSubject <IReactivePropertyChangedEventArgs <T> >(scheduler));
_itemChanged = new Lazy <ISubject <IReactivePropertyChangedEventArgs <T> > >(() => new ScheduledSubject <IReactivePropertyChangedEventArgs <T> >(scheduler));
_beforeItemsMoved = new Lazy <Subject <IMoveInfo <T> > >(() => new Subject <IMoveInfo <T> >());
_itemsMoved = new Lazy <Subject <IMoveInfo <T> > >(() => new Subject <IMoveInfo <T> >());
// NB: We have to do this instead of initializing _inner so that
// Collection<T>'s accounting is correct
foreach (var item in initialContents ?? Enumerable.Empty <T>())
{
Add(item);
}
// NB: ObservableCollection has a Secret Handshake with WPF where
// they fire an INPC notification with the token "Item[]". Emulate
// it here
CountChanging.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(_ => this.RaisePropertyChanging("Count"));
CountChanged.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(_ => this.RaisePropertyChanged("Count"));
IsEmptyChanged.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(_ => this.RaisePropertyChanged("IsEmpty"));
Changing.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(_ => this.RaisePropertyChanging("Item[]"));
Changed.Where(_ => this.areChangeNotificationsEnabled()).Subscribe(_ => this.RaisePropertyChanged("Item[]"));
}
void setupRx(IEnumerable <T> initialContents = null, double resetChangeThreshold = 0.3)
{
_inner = _inner ?? new List <T>();
_changing = new Subject <NotifyCollectionChangedEventArgs>();
_changing.Where(_ => _suppressionRefCount == 0).Subscribe(raiseCollectionChanging);
_changed = new Subject <NotifyCollectionChangedEventArgs>();
_changed.Where(_ => _suppressionRefCount == 0).Subscribe(raiseCollectionChanged);
ResetChangeThreshold = resetChangeThreshold;
_beforeItemsAdded = new Lazy <Subject <T> >(() => new Subject <T>());
_itemsAdded = new Lazy <Subject <T> >(() => new Subject <T>());
_beforeItemsRemoved = new Lazy <Subject <T> >(() => new Subject <T>());
_itemsRemoved = new Lazy <Subject <T> >(() => new Subject <T>());
_itemChanging = new Lazy <Subject <IObservedChange <T, object> > >(() => new Subject <IObservedChange <T, object> >());
_itemChanged = new Lazy <Subject <IObservedChange <T, object> > >(() => new Subject <IObservedChange <T, object> >());
_beforeItemsMoved = new Lazy <Subject <IMoveInfo <T> > >(() => new Subject <IMoveInfo <T> >());
_itemsMoved = new Lazy <Subject <IMoveInfo <T> > >(() => new Subject <IMoveInfo <T> >());
// NB: We have to do this instead of initializing _inner so that
// Collection<T>'s accounting is correct
foreach (var item in initialContents ?? Enumerable.Empty <T>())
{
Add(item);
}
// NB: ObservableCollection has a Secret Handshake with WPF where
// they fire an INPC notification with the token "Item[]". Emulate
// it here
CountChanging.Where(_ => _suppressionRefCount == 0).Select(x => new PropertyChangingEventArgs("Count")).Subscribe(this.raisePropertyChanging);
CountChanged.Where(_ => _suppressionRefCount == 0).Select(x => new PropertyChangedEventArgs("Count")).Subscribe(this.raisePropertyChanged);
IsEmptyChanged.Where(_ => _suppressionRefCount == 0).Select(x => new PropertyChangedEventArgs("IsEmpty")).Subscribe(this.raisePropertyChanged);
Changing.Where(_ => _suppressionRefCount == 0).Select(x => new PropertyChangingEventArgs("Item[]")).Subscribe(this.raisePropertyChanging);
Changed.Where(_ => _suppressionRefCount == 0).Select(x => new PropertyChangedEventArgs("Item[]")).Subscribe(this.raisePropertyChanged);
}