package com.jakewharton.rxbinding2.widget;
import android.view.KeyEvent;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.android.MainThreadDisposable;
import io.reactivex.functions.Predicate;
import static com.jakewharton.rxbinding2.internal.Preconditions.checkMainThread;
final class TextViewEditorActionObservable extends Observable<Integer> {
private final TextView view;
private final Predicate<? super Integer> handled;
TextViewEditorActionObservable(TextView view, Predicate<? super Integer> handled) {
this.view = view;
this.handled = handled;
}
@Override
protected void subscribeActual(Observer<? super Integer> observer) {
if (!checkMainThread(observer)) {
return;
}
Listener listener = new Listener(view, observer, handled);
observer.onSubscribe(listener);
view.setOnEditorActionListener(listener);
}
static final class Listener extends MainThreadDisposable implements OnEditorActionListener {
private final TextView view;
private final Observer<? super Integer> observer;
private final Predicate<? super Integer> handled;
Listener(TextView view, Observer<? super Integer> observer,
Predicate<? super Integer> handled) {
this.view = view;
this.observer = observer;
this.handled = handled;
}
@Override
public boolean onEditorAction(TextView textView, int actionId, KeyEvent keyEvent) {
try {
if (!isDisposed() && handled.test(actionId)) {
observer.onNext(actionId);
return true;
}
} catch (Exception e) {
observer.onError(e);
dispose();
}
return false;
}
@Override
protected void onDispose() {
view.setOnEditorActionListener(null);
}
}
}