rx.javafx.sources.TimerSource Maven / Gradle / Ivy

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package rx.javafx.sources;

import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.util.Duration;
import rx.Observable;
import rx.subscriptions.JavaFxSubscriptions;

import java.util.concurrent.atomic.AtomicLong;

public final class TimerSource {
    private TimerSource() {
    }


    public static  Observable interval(final Duration duration) {
        return Observable.create(sub -> {
            final AtomicLong value = new AtomicLong(0);
            Timeline timeline = new Timeline(new KeyFrame(duration, ae -> sub.onNext(value.getAndIncrement())));
            timeline.setCycleCount(Animation.INDEFINITE);
            timeline.play();

            sub.add(JavaFxSubscriptions.unsubscribeInEventDispatchThread(timeline::stop));
        });
    }
}