Add mode: Choose name and icon for new custom modes

This also unifies the "icon picker" screen with the new "add mode" screen since in both cases we want to edit name and icon together (and not save updates until the user confirms).

Bug: 326442408
Bug: 346278854
Test: atest com.android.settings.notification.modes
Flag: android.app.modes_ui
Change-Id: I8a9d07ba0b6c55f3abc1b9884f278d51d178dc83

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<String> mModeNameSetter;
+    @Nullable private EditText mEditText;
+    private boolean mIsSettingText;
+
+    ZenModeEditNamePreferenceController(@NonNull Context context, @NonNull String key,
+            @NonNull Consumer<String> modeNameSetter) {
+        super(context, key);
+        mModeNameSetter = modeNameSetter;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        if (mEditText == null) {
+            LayoutPreference pref = checkNotNull(screen.findPreference(getPreferenceKey()));
+            mEditText = pref.findViewById(android.R.id.edit);
+
+            mEditText.addTextChangedListener(new TextWatcher() {
+                @Override
+                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
+
+                @Override
+                public void onTextChanged(CharSequence s, int start, int before, int count) { }
+
+                @Override
+                public void afterTextChanged(Editable s) {
+                    if (!mIsSettingText) {
+                        mModeNameSetter.accept(s.toString());
+                    }
+                }
+            });
+        }
+    }
+
+    @Override
+    void updateState(Preference preference, @NonNull ZenMode zenMode) {
+        if (mEditText != null) {
+            mIsSettingText = true;
+            try {
+                String currentText = mEditText.getText().toString();
+                String modeName = zenMode.getName();
+                if (!modeName.equals(currentText)) {
+                    mEditText.setText(modeName);
+                }
+            } finally {
+                mIsSettingText = false;
+            }
+        }
+    }
+}