Add button for activating modes manually

Fixes: 308819907
Flag: android.app.modes_ui
Test: ZenModeButtonPreferenceControllerTest
Test: atest com.android.settings.notification.modes
Change-Id: Id018d360c648dd948d2f950ca67cfbea71cc5c68

src/com/android/settings/notification/modes/ZenModeButtonPreferenceController.java

@@ -0,0 +1,59 @@
+/*
+ * 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 android.annotation.NonNull;
+import android.content.Context;
+import android.widget.Button;
+
+import androidx.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settingslib.widget.LayoutPreference;
+
+public class ZenModeButtonPreferenceController extends AbstractZenModePreferenceController {
+
+    private Button mZenButton;
+
+    public ZenModeButtonPreferenceController(Context context, String key, ZenModesBackend backend) {
+        super(context, key, backend);
+    }
+
+    @Override
+    public boolean isAvailable(ZenMode zenMode) {
+        return zenMode.getRule().isManualInvocationAllowed() && zenMode.getRule().isEnabled();
+    }
+
+    @Override
+    public void updateState(Preference preference, @NonNull ZenMode zenMode) {
+        if (mZenButton == null) {
+            mZenButton = ((LayoutPreference) preference).findViewById(R.id.activate_mode);
+        }
+        mZenButton.setOnClickListener(v -> {
+            if (zenMode.isActive()) {
+                mBackend.deactivateMode(zenMode);
+            } else {
+                mBackend.activateMode(zenMode, null);
+            }
+        });
+        if (zenMode.isActive()) {
+            mZenButton.setText(R.string.zen_mode_button_turn_off);
+        } else {
+            mZenButton.setText(R.string.zen_mode_button_turn_on);
+        }
+    }
+}