ADD week 5
This commit is contained in:
435
02-Easy5/E5/sources/androidx/loader/app/LoaderManagerImpl.java
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435
02-Easy5/E5/sources/androidx/loader/app/LoaderManagerImpl.java
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package androidx.loader.app;
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import android.os.Bundle;
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import android.os.Looper;
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import android.util.Log;
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import androidx.collection.SparseArrayCompat;
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import androidx.core.util.DebugUtils;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.lifecycle.MutableLiveData;
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import androidx.lifecycle.Observer;
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import androidx.lifecycle.ViewModel;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.lifecycle.ViewModelStore;
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import androidx.lifecycle.viewmodel.CreationExtras;
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import androidx.loader.app.LoaderManager;
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import androidx.loader.content.Loader;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.lang.reflect.Modifier;
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/* loaded from: classes.dex */
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class LoaderManagerImpl extends LoaderManager {
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static boolean DEBUG = false;
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static final String TAG = "LoaderManager";
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private final LifecycleOwner mLifecycleOwner;
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private final LoaderViewModel mLoaderViewModel;
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public static class LoaderInfo<D> extends MutableLiveData<D> implements Loader.OnLoadCompleteListener<D> {
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private final Bundle mArgs;
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private final int mId;
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private LifecycleOwner mLifecycleOwner;
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private final Loader<D> mLoader;
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private LoaderObserver<D> mObserver;
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private Loader<D> mPriorLoader;
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Loader<D> getLoader() {
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return this.mLoader;
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}
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LoaderInfo(int i, Bundle bundle, Loader<D> loader, Loader<D> loader2) {
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this.mId = i;
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this.mArgs = bundle;
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this.mLoader = loader;
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this.mPriorLoader = loader2;
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loader.registerListener(i, this);
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}
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@Override // androidx.lifecycle.LiveData
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protected void onActive() {
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if (LoaderManagerImpl.DEBUG) {
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Log.v(LoaderManagerImpl.TAG, " Starting: " + this);
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}
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this.mLoader.startLoading();
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}
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@Override // androidx.lifecycle.LiveData
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protected void onInactive() {
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if (LoaderManagerImpl.DEBUG) {
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Log.v(LoaderManagerImpl.TAG, " Stopping: " + this);
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}
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this.mLoader.stopLoading();
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}
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Loader<D> setCallback(LifecycleOwner lifecycleOwner, LoaderManager.LoaderCallbacks<D> loaderCallbacks) {
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LoaderObserver<D> loaderObserver = new LoaderObserver<>(this.mLoader, loaderCallbacks);
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observe(lifecycleOwner, loaderObserver);
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LoaderObserver<D> loaderObserver2 = this.mObserver;
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if (loaderObserver2 != null) {
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removeObserver(loaderObserver2);
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}
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this.mLifecycleOwner = lifecycleOwner;
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this.mObserver = loaderObserver;
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return this.mLoader;
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}
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void markForRedelivery() {
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LifecycleOwner lifecycleOwner = this.mLifecycleOwner;
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LoaderObserver<D> loaderObserver = this.mObserver;
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if (lifecycleOwner == null || loaderObserver == null) {
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return;
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}
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super.removeObserver(loaderObserver);
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observe(lifecycleOwner, loaderObserver);
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}
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boolean isCallbackWaitingForData() {
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LoaderObserver<D> loaderObserver;
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return (!hasActiveObservers() || (loaderObserver = this.mObserver) == null || loaderObserver.hasDeliveredData()) ? false : true;
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}
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/* JADX WARN: Multi-variable type inference failed */
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@Override // androidx.lifecycle.LiveData
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public void removeObserver(Observer<? super D> observer) {
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super.removeObserver(observer);
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this.mLifecycleOwner = null;
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this.mObserver = null;
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}
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Loader<D> destroy(boolean z) {
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if (LoaderManagerImpl.DEBUG) {
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Log.v(LoaderManagerImpl.TAG, " Destroying: " + this);
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}
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this.mLoader.cancelLoad();
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this.mLoader.abandon();
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LoaderObserver<D> loaderObserver = this.mObserver;
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if (loaderObserver != null) {
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removeObserver(loaderObserver);
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if (z) {
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loaderObserver.reset();
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}
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}
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this.mLoader.unregisterListener(this);
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if ((loaderObserver == null || loaderObserver.hasDeliveredData()) && !z) {
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return this.mLoader;
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}
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this.mLoader.reset();
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return this.mPriorLoader;
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}
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@Override // androidx.loader.content.Loader.OnLoadCompleteListener
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public void onLoadComplete(Loader<D> loader, D d) {
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if (LoaderManagerImpl.DEBUG) {
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Log.v(LoaderManagerImpl.TAG, "onLoadComplete: " + this);
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}
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if (Looper.myLooper() == Looper.getMainLooper()) {
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setValue(d);
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return;
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}
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if (LoaderManagerImpl.DEBUG) {
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Log.w(LoaderManagerImpl.TAG, "onLoadComplete was incorrectly called on a background thread");
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}
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postValue(d);
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}
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@Override // androidx.lifecycle.MutableLiveData, androidx.lifecycle.LiveData
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public void setValue(D d) {
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super.setValue(d);
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Loader<D> loader = this.mPriorLoader;
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if (loader != null) {
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loader.reset();
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this.mPriorLoader = null;
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}
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}
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public String toString() {
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StringBuilder sb = new StringBuilder(64);
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sb.append("LoaderInfo{");
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sb.append(Integer.toHexString(System.identityHashCode(this)));
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sb.append(" #");
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sb.append(this.mId);
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sb.append(" : ");
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DebugUtils.buildShortClassTag(this.mLoader, sb);
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sb.append("}}");
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return sb.toString();
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}
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public void dump(String str, FileDescriptor fileDescriptor, PrintWriter printWriter, String[] strArr) {
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printWriter.print(str);
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printWriter.print("mId=");
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printWriter.print(this.mId);
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printWriter.print(" mArgs=");
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printWriter.println(this.mArgs);
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printWriter.print(str);
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printWriter.print("mLoader=");
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printWriter.println(this.mLoader);
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this.mLoader.dump(str + " ", fileDescriptor, printWriter, strArr);
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if (this.mObserver != null) {
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printWriter.print(str);
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printWriter.print("mCallbacks=");
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printWriter.println(this.mObserver);
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this.mObserver.dump(str + " ", printWriter);
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}
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printWriter.print(str);
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printWriter.print("mData=");
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printWriter.println(getLoader().dataToString(getValue()));
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printWriter.print(str);
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printWriter.print("mStarted=");
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printWriter.println(hasActiveObservers());
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}
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}
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static class LoaderObserver<D> implements Observer<D> {
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private final LoaderManager.LoaderCallbacks<D> mCallback;
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private boolean mDeliveredData = false;
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private final Loader<D> mLoader;
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boolean hasDeliveredData() {
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return this.mDeliveredData;
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}
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LoaderObserver(Loader<D> loader, LoaderManager.LoaderCallbacks<D> loaderCallbacks) {
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this.mLoader = loader;
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this.mCallback = loaderCallbacks;
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}
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@Override // androidx.lifecycle.Observer
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public void onChanged(D d) {
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if (LoaderManagerImpl.DEBUG) {
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Log.v(LoaderManagerImpl.TAG, " onLoadFinished in " + this.mLoader + ": " + this.mLoader.dataToString(d));
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}
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this.mCallback.onLoadFinished(this.mLoader, d);
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this.mDeliveredData = true;
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}
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void reset() {
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if (this.mDeliveredData) {
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if (LoaderManagerImpl.DEBUG) {
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Log.v(LoaderManagerImpl.TAG, " Resetting: " + this.mLoader);
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}
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this.mCallback.onLoaderReset(this.mLoader);
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}
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}
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public String toString() {
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return this.mCallback.toString();
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}
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public void dump(String str, PrintWriter printWriter) {
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printWriter.print(str);
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printWriter.print("mDeliveredData=");
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printWriter.println(this.mDeliveredData);
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}
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}
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static class LoaderViewModel extends ViewModel {
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private static final ViewModelProvider.Factory FACTORY = new ViewModelProvider.Factory() { // from class: androidx.loader.app.LoaderManagerImpl.LoaderViewModel.1
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@Override // androidx.lifecycle.ViewModelProvider.Factory
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public /* synthetic */ ViewModel create(Class cls, CreationExtras creationExtras) {
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return ViewModelProvider.Factory.CC.$default$create(this, cls, creationExtras);
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}
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@Override // androidx.lifecycle.ViewModelProvider.Factory
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public <T extends ViewModel> T create(Class<T> cls) {
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return new LoaderViewModel();
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}
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};
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private SparseArrayCompat<LoaderInfo> mLoaders = new SparseArrayCompat<>();
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private boolean mCreatingLoader = false;
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void finishCreatingLoader() {
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this.mCreatingLoader = false;
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}
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boolean isCreatingLoader() {
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return this.mCreatingLoader;
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}
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void startCreatingLoader() {
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this.mCreatingLoader = true;
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}
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LoaderViewModel() {
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}
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static LoaderViewModel getInstance(ViewModelStore viewModelStore) {
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return (LoaderViewModel) new ViewModelProvider(viewModelStore, FACTORY).get(LoaderViewModel.class);
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}
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void putLoader(int i, LoaderInfo loaderInfo) {
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this.mLoaders.put(i, loaderInfo);
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}
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<D> LoaderInfo<D> getLoader(int i) {
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return this.mLoaders.get(i);
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}
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void removeLoader(int i) {
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this.mLoaders.remove(i);
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}
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boolean hasRunningLoaders() {
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int size = this.mLoaders.size();
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for (int i = 0; i < size; i++) {
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if (this.mLoaders.valueAt(i).isCallbackWaitingForData()) {
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return true;
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}
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}
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return false;
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}
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void markForRedelivery() {
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int size = this.mLoaders.size();
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for (int i = 0; i < size; i++) {
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this.mLoaders.valueAt(i).markForRedelivery();
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}
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}
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@Override // androidx.lifecycle.ViewModel
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protected void onCleared() {
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super.onCleared();
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int size = this.mLoaders.size();
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for (int i = 0; i < size; i++) {
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this.mLoaders.valueAt(i).destroy(true);
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}
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this.mLoaders.clear();
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}
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public void dump(String str, FileDescriptor fileDescriptor, PrintWriter printWriter, String[] strArr) {
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if (this.mLoaders.size() > 0) {
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printWriter.print(str);
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printWriter.println("Loaders:");
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String str2 = str + " ";
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for (int i = 0; i < this.mLoaders.size(); i++) {
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LoaderInfo valueAt = this.mLoaders.valueAt(i);
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printWriter.print(str);
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printWriter.print(" #");
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printWriter.print(this.mLoaders.keyAt(i));
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printWriter.print(": ");
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printWriter.println(valueAt.toString());
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valueAt.dump(str2, fileDescriptor, printWriter, strArr);
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}
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}
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}
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}
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LoaderManagerImpl(LifecycleOwner lifecycleOwner, ViewModelStore viewModelStore) {
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this.mLifecycleOwner = lifecycleOwner;
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this.mLoaderViewModel = LoaderViewModel.getInstance(viewModelStore);
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}
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private <D> Loader<D> createAndInstallLoader(int i, Bundle bundle, LoaderManager.LoaderCallbacks<D> loaderCallbacks, Loader<D> loader) {
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try {
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this.mLoaderViewModel.startCreatingLoader();
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Loader<D> onCreateLoader = loaderCallbacks.onCreateLoader(i, bundle);
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if (onCreateLoader == null) {
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throw new IllegalArgumentException("Object returned from onCreateLoader must not be null");
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}
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if (onCreateLoader.getClass().isMemberClass() && !Modifier.isStatic(onCreateLoader.getClass().getModifiers())) {
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throw new IllegalArgumentException("Object returned from onCreateLoader must not be a non-static inner member class: " + onCreateLoader);
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}
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LoaderInfo loaderInfo = new LoaderInfo(i, bundle, onCreateLoader, loader);
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if (DEBUG) {
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Log.v(TAG, " Created new loader " + loaderInfo);
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}
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this.mLoaderViewModel.putLoader(i, loaderInfo);
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this.mLoaderViewModel.finishCreatingLoader();
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return loaderInfo.setCallback(this.mLifecycleOwner, loaderCallbacks);
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} catch (Throwable th) {
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this.mLoaderViewModel.finishCreatingLoader();
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throw th;
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}
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}
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@Override // androidx.loader.app.LoaderManager
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public <D> Loader<D> initLoader(int i, Bundle bundle, LoaderManager.LoaderCallbacks<D> loaderCallbacks) {
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if (this.mLoaderViewModel.isCreatingLoader()) {
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throw new IllegalStateException("Called while creating a loader");
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}
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if (Looper.getMainLooper() != Looper.myLooper()) {
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throw new IllegalStateException("initLoader must be called on the main thread");
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}
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LoaderInfo<D> loader = this.mLoaderViewModel.getLoader(i);
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if (DEBUG) {
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Log.v(TAG, "initLoader in " + this + ": args=" + bundle);
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}
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if (loader == null) {
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return createAndInstallLoader(i, bundle, loaderCallbacks, null);
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}
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if (DEBUG) {
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Log.v(TAG, " Re-using existing loader " + loader);
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}
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return loader.setCallback(this.mLifecycleOwner, loaderCallbacks);
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}
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@Override // androidx.loader.app.LoaderManager
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public <D> Loader<D> restartLoader(int i, Bundle bundle, LoaderManager.LoaderCallbacks<D> loaderCallbacks) {
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if (this.mLoaderViewModel.isCreatingLoader()) {
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throw new IllegalStateException("Called while creating a loader");
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}
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if (Looper.getMainLooper() != Looper.myLooper()) {
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throw new IllegalStateException("restartLoader must be called on the main thread");
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}
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if (DEBUG) {
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Log.v(TAG, "restartLoader in " + this + ": args=" + bundle);
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}
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LoaderInfo<D> loader = this.mLoaderViewModel.getLoader(i);
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return createAndInstallLoader(i, bundle, loaderCallbacks, loader != null ? loader.destroy(false) : null);
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}
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@Override // androidx.loader.app.LoaderManager
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public void destroyLoader(int i) {
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if (this.mLoaderViewModel.isCreatingLoader()) {
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throw new IllegalStateException("Called while creating a loader");
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}
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if (Looper.getMainLooper() != Looper.myLooper()) {
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throw new IllegalStateException("destroyLoader must be called on the main thread");
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}
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if (DEBUG) {
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Log.v(TAG, "destroyLoader in " + this + " of " + i);
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}
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LoaderInfo loader = this.mLoaderViewModel.getLoader(i);
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if (loader != null) {
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loader.destroy(true);
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this.mLoaderViewModel.removeLoader(i);
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}
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}
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@Override // androidx.loader.app.LoaderManager
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public <D> Loader<D> getLoader(int i) {
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if (this.mLoaderViewModel.isCreatingLoader()) {
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throw new IllegalStateException("Called while creating a loader");
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}
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LoaderInfo<D> loader = this.mLoaderViewModel.getLoader(i);
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if (loader != null) {
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return loader.getLoader();
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}
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return null;
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}
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@Override // androidx.loader.app.LoaderManager
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public void markForRedelivery() {
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this.mLoaderViewModel.markForRedelivery();
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}
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public String toString() {
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StringBuilder sb = new StringBuilder(128);
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sb.append("LoaderManager{");
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sb.append(Integer.toHexString(System.identityHashCode(this)));
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sb.append(" in ");
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DebugUtils.buildShortClassTag(this.mLifecycleOwner, sb);
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sb.append("}}");
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return sb.toString();
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}
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@Override // androidx.loader.app.LoaderManager
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@Deprecated
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public void dump(String str, FileDescriptor fileDescriptor, PrintWriter printWriter, String[] strArr) {
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this.mLoaderViewModel.dump(str, fileDescriptor, printWriter, strArr);
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}
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@Override // androidx.loader.app.LoaderManager
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public boolean hasRunningLoaders() {
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return this.mLoaderViewModel.hasRunningLoaders();
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}
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}
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