package com.jakewharton.rxbinding2.support.v4.widget;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;
import com.jakewharton.rxbinding2.internal.Notification;
import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.android.MainThreadDisposable;
import static com.jakewharton.rxbinding2.internal.Preconditions.checkMainThread;
final class SwipeRefreshLayoutRefreshObservable extends Observable<Object> {
private final SwipeRefreshLayout view;
SwipeRefreshLayoutRefreshObservable(SwipeRefreshLayout view) {
this.view = view;
}
@Override protected void subscribeActual(Observer<? super Object> observer) {
if (!checkMainThread(observer)) {
return;
}
Listener listener = new Listener(view, observer);
observer.onSubscribe(listener);
view.setOnRefreshListener(listener);
}
static final class Listener extends MainThreadDisposable implements OnRefreshListener {
private final SwipeRefreshLayout view;
private final Observer<? super Object> observer;
Listener(SwipeRefreshLayout view, Observer<? super Object> observer) {
this.view = view;
this.observer = observer;
}
@Override public void onRefresh() {
if (!isDisposed()) {
observer.onNext(Notification.INSTANCE);
}
}
@Override protected void onDispose() {
view.setOnRefreshListener(null);
}
}
}