package com.jakewharton.rxbinding2.view;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import com.jakewharton.rxbinding2.internal.Notification;
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 MenuItemClickOnSubscribe extends Observable<Object> {
private final MenuItem menuItem;
private final Predicate<? super MenuItem> handled;
MenuItemClickOnSubscribe(MenuItem menuItem, Predicate<? super MenuItem> handled) {
this.menuItem = menuItem;
this.handled = handled;
}
@Override protected void subscribeActual(Observer<? super Object> observer) {
if (!checkMainThread(observer)) {
return;
}
Listener listener = new Listener(menuItem, handled, observer);
observer.onSubscribe(listener);
menuItem.setOnMenuItemClickListener(listener);
}
static final class Listener extends MainThreadDisposable implements OnMenuItemClickListener {
private final MenuItem menuItem;
private final Predicate<? super MenuItem> handled;
private final Observer<? super Object> observer;
Listener(MenuItem menuItem, Predicate<? super MenuItem> handled,
Observer<? super Object> observer) {
this.menuItem = menuItem;
this.handled = handled;
this.observer = observer;
}
@Override public boolean onMenuItemClick(MenuItem item) {
if (!isDisposed()) {
try {
if (handled.test(menuItem)) {
observer.onNext(Notification.INSTANCE);
return true;
}
} catch (Exception e) {
observer.onError(e);
dispose();
}
}
return false;
}
@Override protected void onDispose() {
menuItem.setOnMenuItemClickListener(null);
}
}
}