ADD week 5
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262
02-Easy5/E5/sources/androidx/loader/content/ModernAsyncTask.java
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262
02-Easy5/E5/sources/androidx/loader/content/ModernAsyncTask.java
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package androidx.loader.content;
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import android.os.Binder;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.Message;
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import android.os.Process;
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import android.util.Log;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.Callable;
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import java.util.concurrent.CancellationException;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.Executor;
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import java.util.concurrent.FutureTask;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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/* loaded from: classes.dex */
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abstract class ModernAsyncTask<Params, Progress, Result> {
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private static final int CORE_POOL_SIZE = 5;
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private static final int KEEP_ALIVE = 1;
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private static final String LOG_TAG = "AsyncTask";
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private static final int MAXIMUM_POOL_SIZE = 128;
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private static final int MESSAGE_POST_PROGRESS = 2;
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private static final int MESSAGE_POST_RESULT = 1;
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public static final Executor THREAD_POOL_EXECUTOR;
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private static volatile Executor sDefaultExecutor;
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private static InternalHandler sHandler;
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private static final BlockingQueue<Runnable> sPoolWorkQueue;
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private static final ThreadFactory sThreadFactory;
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private final FutureTask<Result> mFuture;
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private final WorkerRunnable<Params, Result> mWorker;
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private volatile Status mStatus = Status.PENDING;
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final AtomicBoolean mCancelled = new AtomicBoolean();
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final AtomicBoolean mTaskInvoked = new AtomicBoolean();
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public enum Status {
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PENDING,
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RUNNING,
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FINISHED
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}
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public static void setDefaultExecutor(Executor executor) {
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sDefaultExecutor = executor;
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}
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protected abstract Result doInBackground(Params... paramsArr);
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public final Status getStatus() {
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return this.mStatus;
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}
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protected void onCancelled() {
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}
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protected void onPostExecute(Result result) {
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}
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protected void onPreExecute() {
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}
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protected void onProgressUpdate(Progress... progressArr) {
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}
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static {
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ThreadFactory threadFactory = new ThreadFactory() { // from class: androidx.loader.content.ModernAsyncTask.1
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private final AtomicInteger mCount = new AtomicInteger(1);
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@Override // java.util.concurrent.ThreadFactory
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public Thread newThread(Runnable runnable) {
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return new Thread(runnable, "ModernAsyncTask #" + this.mCount.getAndIncrement());
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}
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};
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sThreadFactory = threadFactory;
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LinkedBlockingQueue linkedBlockingQueue = new LinkedBlockingQueue(10);
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sPoolWorkQueue = linkedBlockingQueue;
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ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(5, 128, 1L, TimeUnit.SECONDS, linkedBlockingQueue, threadFactory);
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THREAD_POOL_EXECUTOR = threadPoolExecutor;
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sDefaultExecutor = threadPoolExecutor;
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}
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private static Handler getHandler() {
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InternalHandler internalHandler;
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synchronized (ModernAsyncTask.class) {
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if (sHandler == null) {
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sHandler = new InternalHandler();
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}
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internalHandler = sHandler;
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}
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return internalHandler;
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}
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ModernAsyncTask() {
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WorkerRunnable<Params, Result> workerRunnable = new WorkerRunnable<Params, Result>() { // from class: androidx.loader.content.ModernAsyncTask.2
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@Override // java.util.concurrent.Callable
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public Result call() throws Exception {
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ModernAsyncTask.this.mTaskInvoked.set(true);
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Result result = null;
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try {
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Process.setThreadPriority(10);
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result = (Result) ModernAsyncTask.this.doInBackground(this.mParams);
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Binder.flushPendingCommands();
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return result;
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} finally {
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}
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}
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};
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this.mWorker = workerRunnable;
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this.mFuture = new FutureTask<Result>(workerRunnable) { // from class: androidx.loader.content.ModernAsyncTask.3
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@Override // java.util.concurrent.FutureTask
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protected void done() {
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try {
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ModernAsyncTask.this.postResultIfNotInvoked(get());
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} catch (InterruptedException e) {
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Log.w(ModernAsyncTask.LOG_TAG, e);
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} catch (CancellationException unused) {
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ModernAsyncTask.this.postResultIfNotInvoked(null);
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} catch (ExecutionException e2) {
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throw new RuntimeException("An error occurred while executing doInBackground()", e2.getCause());
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} catch (Throwable th) {
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throw new RuntimeException("An error occurred while executing doInBackground()", th);
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}
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}
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};
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}
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void postResultIfNotInvoked(Result result) {
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if (this.mTaskInvoked.get()) {
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return;
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}
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postResult(result);
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}
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Result postResult(Result result) {
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getHandler().obtainMessage(1, new AsyncTaskResult(this, result)).sendToTarget();
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return result;
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}
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protected void onCancelled(Result result) {
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onCancelled();
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}
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public final boolean isCancelled() {
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return this.mCancelled.get();
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}
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public final boolean cancel(boolean z) {
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this.mCancelled.set(true);
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return this.mFuture.cancel(z);
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}
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public final Result get() throws InterruptedException, ExecutionException {
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return this.mFuture.get();
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}
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public final Result get(long j, TimeUnit timeUnit) throws InterruptedException, ExecutionException, TimeoutException {
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return this.mFuture.get(j, timeUnit);
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}
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public final ModernAsyncTask<Params, Progress, Result> execute(Params... paramsArr) {
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return executeOnExecutor(sDefaultExecutor, paramsArr);
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}
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/* renamed from: androidx.loader.content.ModernAsyncTask$4, reason: invalid class name */
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static /* synthetic */ class AnonymousClass4 {
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static final /* synthetic */ int[] $SwitchMap$androidx$loader$content$ModernAsyncTask$Status;
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static {
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int[] iArr = new int[Status.values().length];
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$SwitchMap$androidx$loader$content$ModernAsyncTask$Status = iArr;
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try {
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iArr[Status.RUNNING.ordinal()] = 1;
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} catch (NoSuchFieldError unused) {
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}
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try {
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$SwitchMap$androidx$loader$content$ModernAsyncTask$Status[Status.FINISHED.ordinal()] = 2;
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} catch (NoSuchFieldError unused2) {
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}
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}
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}
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public final ModernAsyncTask<Params, Progress, Result> executeOnExecutor(Executor executor, Params... paramsArr) {
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if (this.mStatus != Status.PENDING) {
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int i = AnonymousClass4.$SwitchMap$androidx$loader$content$ModernAsyncTask$Status[this.mStatus.ordinal()];
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if (i == 1) {
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throw new IllegalStateException("Cannot execute task: the task is already running.");
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}
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if (i == 2) {
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throw new IllegalStateException("Cannot execute task: the task has already been executed (a task can be executed only once)");
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}
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throw new IllegalStateException("We should never reach this state");
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}
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this.mStatus = Status.RUNNING;
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onPreExecute();
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this.mWorker.mParams = paramsArr;
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executor.execute(this.mFuture);
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return this;
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}
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public static void execute(Runnable runnable) {
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sDefaultExecutor.execute(runnable);
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}
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protected final void publishProgress(Progress... progressArr) {
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if (isCancelled()) {
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return;
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}
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getHandler().obtainMessage(2, new AsyncTaskResult(this, progressArr)).sendToTarget();
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}
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void finish(Result result) {
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if (isCancelled()) {
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onCancelled(result);
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} else {
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onPostExecute(result);
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}
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this.mStatus = Status.FINISHED;
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}
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private static class InternalHandler extends Handler {
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InternalHandler() {
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super(Looper.getMainLooper());
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}
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/* JADX WARN: Multi-variable type inference failed */
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@Override // android.os.Handler
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public void handleMessage(Message message) {
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AsyncTaskResult asyncTaskResult = (AsyncTaskResult) message.obj;
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int i = message.what;
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if (i == 1) {
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asyncTaskResult.mTask.finish(asyncTaskResult.mData[0]);
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} else {
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if (i != 2) {
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return;
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}
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asyncTaskResult.mTask.onProgressUpdate(asyncTaskResult.mData);
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}
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}
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}
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private static abstract class WorkerRunnable<Params, Result> implements Callable<Result> {
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Params[] mParams;
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WorkerRunnable() {
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}
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}
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private static class AsyncTaskResult<Data> {
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final Data[] mData;
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final ModernAsyncTask mTask;
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AsyncTaskResult(ModernAsyncTask modernAsyncTask, Data... dataArr) {
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this.mTask = modernAsyncTask;
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this.mData = dataArr;
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}
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}
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}
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