37 lines
1.0 KiB
Java
37 lines
1.0 KiB
Java
package org.thoughtcrime.securesms.util;
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import android.os.Handler;
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/**
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* A class that will throttle the number of runnables executed to be at most once every specified
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* interval. However, it could be longer if events are published consistently.
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*
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* Useful for performing actions in response to rapid user input, such as inputting text, where you
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* don't necessarily want to perform an action after <em>every</em> input.
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*
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* See http://rxmarbles.com/#debounce
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*/
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public class Debouncer {
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private final Handler handler;
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private final long threshold;
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/**
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* @param threshold Only one runnable will be executed via {@link #publish(Runnable)} every
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* {@code threshold} milliseconds.
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*/
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public Debouncer(long threshold) {
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this.handler = new Handler();
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this.threshold = threshold;
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}
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public void publish(Runnable runnable) {
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handler.removeCallbacksAndMessages(null);
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handler.postDelayed(runnable, threshold);
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}
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public void clear() {
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handler.removeCallbacksAndMessages(null);
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}
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}
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