package com.jakewharton.rxbinding2.widget;
import android.support.annotation.RequiresApi;
import android.view.MenuItem;
import android.widget.Toolbar;
import android.widget.Toolbar.OnMenuItemClickListener;
import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.android.MainThreadDisposable;
import static android.os.Build.VERSION_CODES.LOLLIPOP;
import static com.jakewharton.rxbinding2.internal.Preconditions.checkMainThread;
@RequiresApi(LOLLIPOP)
final class ToolbarItemClickObservable extends Observable<MenuItem> {
private final Toolbar view;
ToolbarItemClickObservable(Toolbar view) {
this.view = view;
}
@Override protected void subscribeActual(Observer<? super MenuItem> observer) {
if (!checkMainThread(observer)) {
return;
}
Listener listener = new Listener(view, observer);
observer.onSubscribe(listener);
view.setOnMenuItemClickListener(listener);
}
static final class Listener extends MainThreadDisposable implements OnMenuItemClickListener {
private final Toolbar view;
private final Observer<? super MenuItem> observer;
Listener(Toolbar view, Observer<? super MenuItem> observer) {
this.view = view;
this.observer = observer;
}
@Override public boolean onMenuItemClick(MenuItem item) {
if (!isDisposed()) {
observer.onNext(item);
return true;
}
return false;
}
@Override protected void onDispose() {
view.setOnMenuItemClickListener(null);
}
}
}