101 lines
3.6 KiB
Java
101 lines
3.6 KiB
Java
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package com.google.firebase.components;
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import com.google.firebase.events.Event;
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import com.google.firebase.events.EventHandler;
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import com.google.firebase.events.Publisher;
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import com.google.firebase.events.Subscriber;
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import java.util.ArrayDeque;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Queue;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.Executor;
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/* loaded from: classes.dex */
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class EventBus implements Subscriber, Publisher {
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private final Executor defaultExecutor;
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private final Map<Class<?>, ConcurrentHashMap<EventHandler<Object>, Executor>> handlerMap = new HashMap();
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private Queue<Event<?>> pendingEvents = new ArrayDeque();
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/* JADX INFO: Access modifiers changed from: package-private */
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public EventBus(Executor executor) {
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this.defaultExecutor = executor;
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}
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public void publish(final Event<?> event) {
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Preconditions.checkNotNull(event);
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synchronized (this) {
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Queue<Event<?>> queue = this.pendingEvents;
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if (queue != null) {
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queue.add(event);
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return;
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}
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for (final Map.Entry<EventHandler<Object>, Executor> entry : getHandlers(event)) {
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entry.getValue().execute(new Runnable(entry, event) { // from class: com.google.firebase.components.EventBus$$ExternalSyntheticLambda0
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public final Map.Entry f$0;
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public final Event f$1;
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@Override // java.lang.Runnable
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public final void run() {
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((EventHandler) this.f$0.getKey()).handle(this.f$1);
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}
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{
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this.f$0 = entry;
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this.f$1 = event;
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}
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});
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}
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}
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}
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private Set<Map.Entry<EventHandler<Object>, Executor>> getHandlers(Event<?> event) {
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Set<Map.Entry<EventHandler<Object>, Executor>> emptySet;
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synchronized (this) {
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ConcurrentHashMap<EventHandler<Object>, Executor> concurrentHashMap = this.handlerMap.get(event.getType());
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emptySet = concurrentHashMap == null ? Collections.emptySet() : concurrentHashMap.entrySet();
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}
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return emptySet;
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}
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@Override // com.google.firebase.events.Subscriber
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public <T> void subscribe(Class<T> cls, Executor executor, EventHandler<? super T> eventHandler) {
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synchronized (this) {
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Preconditions.checkNotNull(cls);
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Preconditions.checkNotNull(eventHandler);
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Preconditions.checkNotNull(executor);
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if (!this.handlerMap.containsKey(cls)) {
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this.handlerMap.put(cls, new ConcurrentHashMap<>());
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}
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this.handlerMap.get(cls).put(eventHandler, executor);
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}
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}
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@Override // com.google.firebase.events.Subscriber
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public <T> void subscribe(Class<T> cls, EventHandler<? super T> eventHandler) {
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subscribe(cls, this.defaultExecutor, eventHandler);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void enablePublishingAndFlushPending() {
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Queue<Event<?>> queue;
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synchronized (this) {
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queue = this.pendingEvents;
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if (queue != null) {
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this.pendingEvents = null;
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} else {
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queue = null;
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}
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}
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if (queue != null) {
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Iterator<Event<?>> it = queue.iterator();
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while (it.hasNext()) {
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publish(it.next());
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}
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}
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}
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}
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