65 lines
2.1 KiB
Java
65 lines
2.1 KiB
Java
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;
|
|
}
|
|
}
|