public ValueMediator(IValueProvider <TSource> provider, IValueListener <TTarget> listener)
{
Guard.NotNull("provider", provider);
Guard.NotNull("listener", listener);
this.provider = provider;
this.listener = listener;
provider.PropertyChanged += UpdateCanExecute;
}
public SingleValueListener(IValueListener <TValue> listener)
{
Listener = listener ?? throw new ArgumentNullException(nameof(listener));
}
public void RemoveListenr(IValueListener <T> listner)
{
listners.Remove(listner);
}
public void AddListener(IValueListener <T> listner)
{
listners.Add(listner);
}
public void AddListener(IValueListener <T> listener)
{
listeners.Add(new WeakReference <IValueListener <T> >(listener));
}
public SetHttpUrlsCommand(IValueProvider <string> provider, IValueListener <IEnumerable <string> > listener)
: base(provider, listener)
{
}
public AddBlobUrlViewModel(IValueListener <string> listener)
{
setUrl = new SetBlobUrlCommand(this, listener);
}
public AddHttpUrlsViewModel(IValueListener <IEnumerable <string> > listener)
{
setUrls = new SetHttpUrlsCommand(this, listener);
}
public void Unregister(IValueListener <T> valueListener)
{
listeners.Remove(valueListener);
}
public void Register(IValueListener <T> valueListener)
{
listeners.Add(valueListener);
}
public SetBlobUrlCommand(IValueProvider <string> provider, IValueListener <string> listener)
: base(provider, listener)
{
}
public static IValueStreamListenerToken AddListener <TValue>(this IValueStream <TValue> stream, IValueListener <TValue> listener)
{
return(stream.AddListener(new SingleValueListener <TValue>(listener)));
}
