42 lines
1.4 KiB
Java
42 lines
1.4 KiB
Java
package androidx.savedstate;
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import android.os.Bundle;
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import androidx.annotation.MainThread;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.lifecycle.Lifecycle;
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public final class SavedStateRegistryController {
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private final SavedStateRegistryOwner mOwner;
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private final SavedStateRegistry mRegistry = new SavedStateRegistry();
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private SavedStateRegistryController(SavedStateRegistryOwner savedStateRegistryOwner) {
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this.mOwner = savedStateRegistryOwner;
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}
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@NonNull
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public static SavedStateRegistryController create(@NonNull SavedStateRegistryOwner savedStateRegistryOwner) {
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return new SavedStateRegistryController(savedStateRegistryOwner);
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}
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@NonNull
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public SavedStateRegistry getSavedStateRegistry() {
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return this.mRegistry;
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}
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@MainThread
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public void performRestore(@Nullable Bundle bundle) {
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Lifecycle lifecycle = this.mOwner.getLifecycle();
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if (lifecycle.getCurrentState() == Lifecycle.State.INITIALIZED) {
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lifecycle.addObserver(new Recreator(this.mOwner));
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this.mRegistry.performRestore(lifecycle, bundle);
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return;
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}
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throw new IllegalStateException("Restarter must be created only during owner's initialization stage");
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}
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@MainThread
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public void performSave(@NonNull Bundle bundle) {
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this.mRegistry.performSave(bundle);
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}
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}
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