package com.jakewharton.rxbinding2.view;
import android.view.View;
import android.view.View.OnLongClickListener;
import com.jakewharton.rxbinding2.internal.Notification;
import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.android.MainThreadDisposable;
import java.util.concurrent.Callable;
import static com.jakewharton.rxbinding2.internal.Preconditions.checkMainThread;
final class ViewLongClickObservable extends Observable<Object> {
private final View view;
private final Callable<Boolean> handled;
ViewLongClickObservable(View view, Callable<Boolean> handled) {
this.view = view;
this.handled = handled;
}
@Override protected void subscribeActual(Observer<? super Object> observer) {
if (!checkMainThread(observer)) {
return;
}
Listener listener = new Listener(view, handled, observer);
observer.onSubscribe(listener);
view.setOnLongClickListener(listener);
}
static final class Listener extends MainThreadDisposable implements OnLongClickListener {
private final View view;
private final Observer<? super Object> observer;
private final Callable<Boolean> handled;
Listener(View view, Callable<Boolean> handled, Observer<? super Object> observer) {
this.view = view;
this.observer = observer;
this.handled = handled;
}
@Override public boolean onLongClick(View v) {
if (!isDisposed()) {
try {
if (handled.call()) {
observer.onNext(Notification.INSTANCE);
return true;
}
} catch (Exception e) {
observer.onError(e);
dispose();
}
}
return false;
}
@Override protected void onDispose() {
view.setOnLongClickListener(null);
}
}
}