ADD week 5
This commit is contained in:
		| @@ -0,0 +1,234 @@ | ||||
| package androidx.fragment.app; | ||||
|  | ||||
| import android.util.Log; | ||||
| import androidx.lifecycle.ViewModel; | ||||
| import androidx.lifecycle.ViewModelProvider; | ||||
| import androidx.lifecycle.ViewModelStore; | ||||
| import androidx.lifecycle.viewmodel.CreationExtras; | ||||
| import java.util.ArrayList; | ||||
| import java.util.Collection; | ||||
| import java.util.HashMap; | ||||
| import java.util.Iterator; | ||||
| import java.util.Map; | ||||
|  | ||||
| /* loaded from: classes.dex */ | ||||
| final class FragmentManagerViewModel extends ViewModel { | ||||
|     private static final ViewModelProvider.Factory FACTORY = new ViewModelProvider.Factory() { // from class: androidx.fragment.app.FragmentManagerViewModel.1 | ||||
|         @Override // androidx.lifecycle.ViewModelProvider.Factory | ||||
|         public /* synthetic */ ViewModel create(Class cls, CreationExtras creationExtras) { | ||||
|             return ViewModelProvider.Factory.CC.$default$create(this, cls, creationExtras); | ||||
|         } | ||||
|  | ||||
|         @Override // androidx.lifecycle.ViewModelProvider.Factory | ||||
|         public <T extends ViewModel> T create(Class<T> cls) { | ||||
|             return new FragmentManagerViewModel(true); | ||||
|         } | ||||
|     }; | ||||
|     private static final String TAG = "FragmentManager"; | ||||
|     private final boolean mStateAutomaticallySaved; | ||||
|     private final HashMap<String, Fragment> mRetainedFragments = new HashMap<>(); | ||||
|     private final HashMap<String, FragmentManagerViewModel> mChildNonConfigs = new HashMap<>(); | ||||
|     private final HashMap<String, ViewModelStore> mViewModelStores = new HashMap<>(); | ||||
|     private boolean mHasBeenCleared = false; | ||||
|     private boolean mHasSavedSnapshot = false; | ||||
|     private boolean mIsStateSaved = false; | ||||
|  | ||||
|     boolean isCleared() { | ||||
|         return this.mHasBeenCleared; | ||||
|     } | ||||
|  | ||||
|     void setIsStateSaved(boolean z) { | ||||
|         this.mIsStateSaved = z; | ||||
|     } | ||||
|  | ||||
|     static FragmentManagerViewModel getInstance(ViewModelStore viewModelStore) { | ||||
|         return (FragmentManagerViewModel) new ViewModelProvider(viewModelStore, FACTORY).get(FragmentManagerViewModel.class); | ||||
|     } | ||||
|  | ||||
|     FragmentManagerViewModel(boolean z) { | ||||
|         this.mStateAutomaticallySaved = z; | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.lifecycle.ViewModel | ||||
|     protected void onCleared() { | ||||
|         if (FragmentManager.isLoggingEnabled(3)) { | ||||
|             Log.d(TAG, "onCleared called for " + this); | ||||
|         } | ||||
|         this.mHasBeenCleared = true; | ||||
|     } | ||||
|  | ||||
|     void addRetainedFragment(Fragment fragment) { | ||||
|         if (this.mIsStateSaved) { | ||||
|             if (FragmentManager.isLoggingEnabled(2)) { | ||||
|                 Log.v(TAG, "Ignoring addRetainedFragment as the state is already saved"); | ||||
|             } | ||||
|         } else { | ||||
|             if (this.mRetainedFragments.containsKey(fragment.mWho)) { | ||||
|                 return; | ||||
|             } | ||||
|             this.mRetainedFragments.put(fragment.mWho, fragment); | ||||
|             if (FragmentManager.isLoggingEnabled(2)) { | ||||
|                 Log.v(TAG, "Updating retained Fragments: Added " + fragment); | ||||
|             } | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     Fragment findRetainedFragmentByWho(String str) { | ||||
|         return this.mRetainedFragments.get(str); | ||||
|     } | ||||
|  | ||||
|     Collection<Fragment> getRetainedFragments() { | ||||
|         return new ArrayList(this.mRetainedFragments.values()); | ||||
|     } | ||||
|  | ||||
|     boolean shouldDestroy(Fragment fragment) { | ||||
|         if (this.mRetainedFragments.containsKey(fragment.mWho)) { | ||||
|             return this.mStateAutomaticallySaved ? this.mHasBeenCleared : !this.mHasSavedSnapshot; | ||||
|         } | ||||
|         return true; | ||||
|     } | ||||
|  | ||||
|     void removeRetainedFragment(Fragment fragment) { | ||||
|         if (this.mIsStateSaved) { | ||||
|             if (FragmentManager.isLoggingEnabled(2)) { | ||||
|                 Log.v(TAG, "Ignoring removeRetainedFragment as the state is already saved"); | ||||
|             } | ||||
|         } else { | ||||
|             if (this.mRetainedFragments.remove(fragment.mWho) == null || !FragmentManager.isLoggingEnabled(2)) { | ||||
|                 return; | ||||
|             } | ||||
|             Log.v(TAG, "Updating retained Fragments: Removed " + fragment); | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     FragmentManagerViewModel getChildNonConfig(Fragment fragment) { | ||||
|         FragmentManagerViewModel fragmentManagerViewModel = this.mChildNonConfigs.get(fragment.mWho); | ||||
|         if (fragmentManagerViewModel != null) { | ||||
|             return fragmentManagerViewModel; | ||||
|         } | ||||
|         FragmentManagerViewModel fragmentManagerViewModel2 = new FragmentManagerViewModel(this.mStateAutomaticallySaved); | ||||
|         this.mChildNonConfigs.put(fragment.mWho, fragmentManagerViewModel2); | ||||
|         return fragmentManagerViewModel2; | ||||
|     } | ||||
|  | ||||
|     ViewModelStore getViewModelStore(Fragment fragment) { | ||||
|         ViewModelStore viewModelStore = this.mViewModelStores.get(fragment.mWho); | ||||
|         if (viewModelStore != null) { | ||||
|             return viewModelStore; | ||||
|         } | ||||
|         ViewModelStore viewModelStore2 = new ViewModelStore(); | ||||
|         this.mViewModelStores.put(fragment.mWho, viewModelStore2); | ||||
|         return viewModelStore2; | ||||
|     } | ||||
|  | ||||
|     void clearNonConfigState(Fragment fragment) { | ||||
|         if (FragmentManager.isLoggingEnabled(3)) { | ||||
|             Log.d(TAG, "Clearing non-config state for " + fragment); | ||||
|         } | ||||
|         FragmentManagerViewModel fragmentManagerViewModel = this.mChildNonConfigs.get(fragment.mWho); | ||||
|         if (fragmentManagerViewModel != null) { | ||||
|             fragmentManagerViewModel.onCleared(); | ||||
|             this.mChildNonConfigs.remove(fragment.mWho); | ||||
|         } | ||||
|         ViewModelStore viewModelStore = this.mViewModelStores.get(fragment.mWho); | ||||
|         if (viewModelStore != null) { | ||||
|             viewModelStore.clear(); | ||||
|             this.mViewModelStores.remove(fragment.mWho); | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     @Deprecated | ||||
|     void restoreFromSnapshot(FragmentManagerNonConfig fragmentManagerNonConfig) { | ||||
|         this.mRetainedFragments.clear(); | ||||
|         this.mChildNonConfigs.clear(); | ||||
|         this.mViewModelStores.clear(); | ||||
|         if (fragmentManagerNonConfig != null) { | ||||
|             Collection<Fragment> fragments = fragmentManagerNonConfig.getFragments(); | ||||
|             if (fragments != null) { | ||||
|                 for (Fragment fragment : fragments) { | ||||
|                     if (fragment != null) { | ||||
|                         this.mRetainedFragments.put(fragment.mWho, fragment); | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|             Map<String, FragmentManagerNonConfig> childNonConfigs = fragmentManagerNonConfig.getChildNonConfigs(); | ||||
|             if (childNonConfigs != null) { | ||||
|                 for (Map.Entry<String, FragmentManagerNonConfig> entry : childNonConfigs.entrySet()) { | ||||
|                     FragmentManagerViewModel fragmentManagerViewModel = new FragmentManagerViewModel(this.mStateAutomaticallySaved); | ||||
|                     fragmentManagerViewModel.restoreFromSnapshot(entry.getValue()); | ||||
|                     this.mChildNonConfigs.put(entry.getKey(), fragmentManagerViewModel); | ||||
|                 } | ||||
|             } | ||||
|             Map<String, ViewModelStore> viewModelStores = fragmentManagerNonConfig.getViewModelStores(); | ||||
|             if (viewModelStores != null) { | ||||
|                 this.mViewModelStores.putAll(viewModelStores); | ||||
|             } | ||||
|         } | ||||
|         this.mHasSavedSnapshot = false; | ||||
|     } | ||||
|  | ||||
|     @Deprecated | ||||
|     FragmentManagerNonConfig getSnapshot() { | ||||
|         if (this.mRetainedFragments.isEmpty() && this.mChildNonConfigs.isEmpty() && this.mViewModelStores.isEmpty()) { | ||||
|             return null; | ||||
|         } | ||||
|         HashMap hashMap = new HashMap(); | ||||
|         for (Map.Entry<String, FragmentManagerViewModel> entry : this.mChildNonConfigs.entrySet()) { | ||||
|             FragmentManagerNonConfig snapshot = entry.getValue().getSnapshot(); | ||||
|             if (snapshot != null) { | ||||
|                 hashMap.put(entry.getKey(), snapshot); | ||||
|             } | ||||
|         } | ||||
|         this.mHasSavedSnapshot = true; | ||||
|         if (this.mRetainedFragments.isEmpty() && hashMap.isEmpty() && this.mViewModelStores.isEmpty()) { | ||||
|             return null; | ||||
|         } | ||||
|         return new FragmentManagerNonConfig(new ArrayList(this.mRetainedFragments.values()), hashMap, new HashMap(this.mViewModelStores)); | ||||
|     } | ||||
|  | ||||
|     public boolean equals(Object obj) { | ||||
|         if (this == obj) { | ||||
|             return true; | ||||
|         } | ||||
|         if (obj == null || getClass() != obj.getClass()) { | ||||
|             return false; | ||||
|         } | ||||
|         FragmentManagerViewModel fragmentManagerViewModel = (FragmentManagerViewModel) obj; | ||||
|         return this.mRetainedFragments.equals(fragmentManagerViewModel.mRetainedFragments) && this.mChildNonConfigs.equals(fragmentManagerViewModel.mChildNonConfigs) && this.mViewModelStores.equals(fragmentManagerViewModel.mViewModelStores); | ||||
|     } | ||||
|  | ||||
|     public int hashCode() { | ||||
|         return (((this.mRetainedFragments.hashCode() * 31) + this.mChildNonConfigs.hashCode()) * 31) + this.mViewModelStores.hashCode(); | ||||
|     } | ||||
|  | ||||
|     public String toString() { | ||||
|         StringBuilder sb = new StringBuilder("FragmentManagerViewModel{"); | ||||
|         sb.append(Integer.toHexString(System.identityHashCode(this))); | ||||
|         sb.append("} Fragments ("); | ||||
|         Iterator<Fragment> it = this.mRetainedFragments.values().iterator(); | ||||
|         while (it.hasNext()) { | ||||
|             sb.append(it.next()); | ||||
|             if (it.hasNext()) { | ||||
|                 sb.append(", "); | ||||
|             } | ||||
|         } | ||||
|         sb.append(") Child Non Config ("); | ||||
|         Iterator<String> it2 = this.mChildNonConfigs.keySet().iterator(); | ||||
|         while (it2.hasNext()) { | ||||
|             sb.append(it2.next()); | ||||
|             if (it2.hasNext()) { | ||||
|                 sb.append(", "); | ||||
|             } | ||||
|         } | ||||
|         sb.append(") ViewModelStores ("); | ||||
|         Iterator<String> it3 = this.mViewModelStores.keySet().iterator(); | ||||
|         while (it3.hasNext()) { | ||||
|             sb.append(it3.next()); | ||||
|             if (it3.hasNext()) { | ||||
|                 sb.append(", "); | ||||
|             } | ||||
|         } | ||||
|         sb.append(')'); | ||||
|         return sb.toString(); | ||||
|     } | ||||
| } | ||||
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