332 lines
12 KiB
Java
332 lines
12 KiB
Java
package androidx.fragment.app;
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import android.util.Log;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.IdRes;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import c.d.b.a.a;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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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.List;
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public class FragmentStore {
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private static final String TAG = "FragmentManager";
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private final HashMap<String, FragmentStateManager> mActive = new HashMap<>();
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private final ArrayList<Fragment> mAdded = new ArrayList<>();
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private FragmentManagerViewModel mNonConfig;
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public void addFragment(@NonNull Fragment fragment) {
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if (!this.mAdded.contains(fragment)) {
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synchronized (this.mAdded) {
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this.mAdded.add(fragment);
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}
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fragment.mAdded = true;
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return;
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}
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throw new IllegalStateException("Fragment already added: " + fragment);
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}
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public void burpActive() {
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this.mActive.values().removeAll(Collections.singleton(null));
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}
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public boolean containsActiveFragment(@NonNull String str) {
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return this.mActive.get(str) != null;
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}
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public void dispatchStateChange(int i) {
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (fragmentStateManager != null) {
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fragmentStateManager.setFragmentManagerState(i);
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}
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}
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}
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public void dump(@NonNull String str, @Nullable FileDescriptor fileDescriptor, @NonNull PrintWriter printWriter, @Nullable String[] strArr) {
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String t = a.t(str, " ");
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if (!this.mActive.isEmpty()) {
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printWriter.print(str);
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printWriter.print("Active Fragments:");
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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printWriter.print(str);
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if (fragmentStateManager != null) {
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Fragment fragment = fragmentStateManager.getFragment();
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printWriter.println(fragment);
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fragment.dump(t, fileDescriptor, printWriter, strArr);
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} else {
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printWriter.println("null");
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}
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}
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}
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int size = this.mAdded.size();
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if (size > 0) {
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printWriter.print(str);
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printWriter.println("Added Fragments:");
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for (int i = 0; i < size; i++) {
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printWriter.print(str);
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printWriter.print(" #");
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printWriter.print(i);
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printWriter.print(": ");
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printWriter.println(this.mAdded.get(i).toString());
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}
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}
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}
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@Nullable
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public Fragment findActiveFragment(@NonNull String str) {
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FragmentStateManager fragmentStateManager = this.mActive.get(str);
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if (fragmentStateManager != null) {
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return fragmentStateManager.getFragment();
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}
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return null;
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}
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@Nullable
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public Fragment findFragmentById(@IdRes int i) {
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for (int size = this.mAdded.size() - 1; size >= 0; size--) {
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Fragment fragment = this.mAdded.get(size);
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if (fragment != null && fragment.mFragmentId == i) {
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return fragment;
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}
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}
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (fragmentStateManager != null) {
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Fragment fragment2 = fragmentStateManager.getFragment();
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if (fragment2.mFragmentId == i) {
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return fragment2;
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}
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}
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}
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return null;
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}
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@Nullable
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public Fragment findFragmentByTag(@Nullable String str) {
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if (str != null) {
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for (int size = this.mAdded.size() - 1; size >= 0; size--) {
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Fragment fragment = this.mAdded.get(size);
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if (fragment != null && str.equals(fragment.mTag)) {
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return fragment;
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}
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}
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}
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if (str == null) {
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return null;
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}
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (fragmentStateManager != null) {
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Fragment fragment2 = fragmentStateManager.getFragment();
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if (str.equals(fragment2.mTag)) {
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return fragment2;
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}
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}
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}
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return null;
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}
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@Nullable
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public Fragment findFragmentByWho(@NonNull String str) {
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Fragment findFragmentByWho;
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (!(fragmentStateManager == null || (findFragmentByWho = fragmentStateManager.getFragment().findFragmentByWho(str)) == null)) {
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return findFragmentByWho;
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}
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}
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return null;
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}
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public int findFragmentIndexInContainer(@NonNull Fragment fragment) {
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View view;
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View view2;
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ViewGroup viewGroup = fragment.mContainer;
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if (viewGroup == null) {
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return -1;
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}
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int indexOf = this.mAdded.indexOf(fragment);
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for (int i = indexOf - 1; i >= 0; i--) {
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Fragment fragment2 = this.mAdded.get(i);
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if (fragment2.mContainer == viewGroup && (view2 = fragment2.mView) != null) {
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return viewGroup.indexOfChild(view2) + 1;
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}
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}
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while (true) {
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indexOf++;
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if (indexOf >= this.mAdded.size()) {
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return -1;
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}
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Fragment fragment3 = this.mAdded.get(indexOf);
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if (fragment3.mContainer == viewGroup && (view = fragment3.mView) != null) {
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return viewGroup.indexOfChild(view);
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}
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}
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}
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public int getActiveFragmentCount() {
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return this.mActive.size();
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}
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@NonNull
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public List<FragmentStateManager> getActiveFragmentStateManagers() {
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ArrayList arrayList = new ArrayList();
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (fragmentStateManager != null) {
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arrayList.add(fragmentStateManager);
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}
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}
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return arrayList;
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}
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@NonNull
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public List<Fragment> getActiveFragments() {
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ArrayList arrayList = new ArrayList();
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (fragmentStateManager != null) {
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arrayList.add(fragmentStateManager.getFragment());
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} else {
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arrayList.add(null);
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}
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}
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return arrayList;
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}
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@Nullable
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public FragmentStateManager getFragmentStateManager(@NonNull String str) {
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return this.mActive.get(str);
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}
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@NonNull
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public List<Fragment> getFragments() {
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ArrayList arrayList;
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if (this.mAdded.isEmpty()) {
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return Collections.emptyList();
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}
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synchronized (this.mAdded) {
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arrayList = new ArrayList(this.mAdded);
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}
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return arrayList;
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}
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public FragmentManagerViewModel getNonConfig() {
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return this.mNonConfig;
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}
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public void makeActive(@NonNull FragmentStateManager fragmentStateManager) {
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Fragment fragment = fragmentStateManager.getFragment();
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if (!containsActiveFragment(fragment.mWho)) {
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this.mActive.put(fragment.mWho, fragmentStateManager);
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if (fragment.mRetainInstanceChangedWhileDetached) {
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if (fragment.mRetainInstance) {
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this.mNonConfig.addRetainedFragment(fragment);
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} else {
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this.mNonConfig.removeRetainedFragment(fragment);
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}
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fragment.mRetainInstanceChangedWhileDetached = false;
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}
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if (FragmentManager.isLoggingEnabled(2)) {
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Log.v("FragmentManager", "Added fragment to active set " + fragment);
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}
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}
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}
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public void makeInactive(@NonNull FragmentStateManager fragmentStateManager) {
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Fragment fragment = fragmentStateManager.getFragment();
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if (fragment.mRetainInstance) {
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this.mNonConfig.removeRetainedFragment(fragment);
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}
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if (this.mActive.put(fragment.mWho, null) != null && FragmentManager.isLoggingEnabled(2)) {
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Log.v("FragmentManager", "Removed fragment from active set " + fragment);
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}
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}
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public void moveToExpectedState() {
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Iterator<Fragment> it = this.mAdded.iterator();
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while (it.hasNext()) {
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FragmentStateManager fragmentStateManager = this.mActive.get(it.next().mWho);
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if (fragmentStateManager != null) {
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fragmentStateManager.moveToExpectedState();
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}
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}
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for (FragmentStateManager fragmentStateManager2 : this.mActive.values()) {
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if (fragmentStateManager2 != null) {
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fragmentStateManager2.moveToExpectedState();
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Fragment fragment = fragmentStateManager2.getFragment();
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if (fragment.mRemoving && !fragment.isInBackStack()) {
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makeInactive(fragmentStateManager2);
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}
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}
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}
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}
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public void removeFragment(@NonNull Fragment fragment) {
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synchronized (this.mAdded) {
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this.mAdded.remove(fragment);
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}
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fragment.mAdded = false;
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}
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public void resetActiveFragments() {
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this.mActive.clear();
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}
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public void restoreAddedFragments(@Nullable List<String> list) {
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this.mAdded.clear();
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if (list != null) {
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for (String str : list) {
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Fragment findActiveFragment = findActiveFragment(str);
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if (findActiveFragment != null) {
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if (FragmentManager.isLoggingEnabled(2)) {
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Log.v("FragmentManager", "restoreSaveState: added (" + str + "): " + findActiveFragment);
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}
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addFragment(findActiveFragment);
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} else {
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throw new IllegalStateException(a.u("No instantiated fragment for (", str, ")"));
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}
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}
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}
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}
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@NonNull
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public ArrayList<FragmentState> saveActiveFragments() {
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ArrayList<FragmentState> arrayList = new ArrayList<>(this.mActive.size());
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for (FragmentStateManager fragmentStateManager : this.mActive.values()) {
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if (fragmentStateManager != null) {
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Fragment fragment = fragmentStateManager.getFragment();
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FragmentState saveState = fragmentStateManager.saveState();
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arrayList.add(saveState);
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if (FragmentManager.isLoggingEnabled(2)) {
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Log.v("FragmentManager", "Saved state of " + fragment + ": " + saveState.mSavedFragmentState);
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}
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}
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}
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return arrayList;
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}
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@Nullable
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public ArrayList<String> saveAddedFragments() {
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synchronized (this.mAdded) {
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if (this.mAdded.isEmpty()) {
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return null;
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}
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ArrayList<String> arrayList = new ArrayList<>(this.mAdded.size());
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Iterator<Fragment> it = this.mAdded.iterator();
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while (it.hasNext()) {
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Fragment next = it.next();
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arrayList.add(next.mWho);
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if (FragmentManager.isLoggingEnabled(2)) {
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Log.v("FragmentManager", "saveAllState: adding fragment (" + next.mWho + "): " + next);
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}
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}
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return arrayList;
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}
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}
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public void setNonConfig(@NonNull FragmentManagerViewModel fragmentManagerViewModel) {
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this.mNonConfig = fragmentManagerViewModel;
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}
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}
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