As a result, instead of using {@link ZenModesBackend} to apply each change, we instead modify + * an in-memory {@link ZenMode}, that is preserved/restored in extras. This also means we don't + * listen to changes -- whatever the user sees should be applied. + */ +public abstract class ZenModeEditNameIconFragmentBase extends DashboardFragment { + + private static final String MODE_KEY = "ZenMode"; + + @Nullable private ZenMode mZenMode; + + private ZenModesBackend mBackend; + + @VisibleForTesting(otherwise = VisibleForTesting.NONE) + void setBackend(ZenModesBackend backend) { + mBackend = backend; + } + + @Override + public void onAttach(Context context) { + super.onAttach(context); + if (mBackend == null) { + mBackend = ZenModesBackend.getInstance(context); + } + } + + @Override + public final void onCreate(Bundle icicle) { + super.onCreate(icicle); + mZenMode = icicle != null + ? icicle.getParcelable(MODE_KEY, ZenMode.class) + : onCreateInstantiateZenMode(); + + if (mZenMode == null) { + finish(); + } + } + + /** + * Provides the mode that will be edited. Called in {@link #onCreate}, the first time (the + * value returned here is persisted on Fragment recreation). + * + *
If {@code null} is returned, the fragment will {@link #finish()}.
+ */
+ @Nullable
+ protected abstract ZenMode onCreateInstantiateZenMode();
+
+ @Override
+ protected final int getPreferenceScreenResId() {
+ return R.xml.modes_edit_name_icon;
+ }
+
+ @Override
+ protected final List Note that {@code mode} is the in-memory mode and, as such, may have obsolete
+ * data. If the concrete fragment is editing an existing mode, it should first fetch it from
+ * the backend, and copy the new name and icon before saving. */
+ abstract void saveMode(ZenMode mode);
+
+ @NonNull
+ protected ZenModesBackend requireBackend() {
+ checkState(mBackend != null);
+ return mBackend;
+ }
+
+ @Override
+ public void onSaveInstanceState(Bundle outState) {
+ super.onSaveInstanceState(outState);
+ outState.putParcelable(MODE_KEY, mZenMode);
+ }
+}
diff --git a/src/com/android/settings/notification/modes/ZenModeEditNamePreferenceController.java b/src/com/android/settings/notification/modes/ZenModeEditNamePreferenceController.java
new file mode 100644
index 00000000000..78cbfe0488b
--- /dev/null
+++ b/src/com/android/settings/notification/modes/ZenModeEditNamePreferenceController.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.notification.modes;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import android.content.Context;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.widget.EditText;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settingslib.notification.modes.ZenMode;
+import com.android.settingslib.widget.LayoutPreference;
+
+import java.util.function.Consumer;
+
+class ZenModeEditNamePreferenceController extends AbstractZenModePreferenceController {
+
+ private final Consumer