what-the-bank/sources/io/flutter/embedding/android/MotionEventTracker.java

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Java
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2024-07-27 18:17:47 +07:00
package io.flutter.embedding.android;
import android.util.LongSparseArray;
import android.view.MotionEvent;
import java.util.PriorityQueue;
import java.util.concurrent.atomic.AtomicLong;
/* loaded from: classes.dex */
public final class MotionEventTracker {
private static MotionEventTracker INSTANCE;
private final LongSparseArray<MotionEvent> eventById = new LongSparseArray<>();
private final PriorityQueue<Long> unusedEvents = new PriorityQueue<>();
/* loaded from: classes6.dex */
public static class MotionEventId {
private static final AtomicLong ID_COUNTER = new AtomicLong(0);
private final long id;
public long getId() {
return this.id;
}
private MotionEventId(long j) {
this.id = j;
}
public static MotionEventId from(long j) {
return new MotionEventId(j);
}
public static MotionEventId createUnique() {
return from(ID_COUNTER.incrementAndGet());
}
}
public static MotionEventTracker getInstance() {
if (INSTANCE == null) {
INSTANCE = new MotionEventTracker();
}
return INSTANCE;
}
private MotionEventTracker() {
}
public final MotionEventId track(MotionEvent motionEvent) {
MotionEventId createUnique = MotionEventId.createUnique();
this.eventById.put(createUnique.id, MotionEvent.obtain(motionEvent));
this.unusedEvents.add(Long.valueOf(createUnique.id));
return createUnique;
}
public final MotionEvent pop(MotionEventId motionEventId) {
while (!this.unusedEvents.isEmpty() && this.unusedEvents.peek().longValue() < motionEventId.id) {
this.eventById.remove(this.unusedEvents.poll().longValue());
}
if (!this.unusedEvents.isEmpty() && this.unusedEvents.peek().longValue() == motionEventId.id) {
this.unusedEvents.poll();
}
MotionEvent motionEvent = this.eventById.get(motionEventId.id);
this.eventById.remove(motionEventId.id);
return motionEvent;
}
}