Redesign zen visual effects screens

Test: robotests
Bug: 78448988
Change-Id: I3040c1103d76c75601e82e3660a2ace202837ec2

src/com/android/settings/notification/ZenFooterPreferenceController.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2018 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;
+
+import android.app.NotificationManager.Policy;
+import android.content.Context;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+public class ZenFooterPreferenceController extends AbstractZenModePreferenceController {
+
+    public ZenFooterPreferenceController(Context context, Lifecycle lifecycle,
+            String key) {
+        super(context, key, lifecycle);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mBackend.mPolicy.suppressedVisualEffects == 0
+                || Policy.areAllVisualEffectsSuppressed(mBackend.mPolicy.suppressedVisualEffects);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+
+        if (mBackend.mPolicy.suppressedVisualEffects == 0) {
+           preference.setTitle(R.string.zen_mode_restrict_notifications_mute_footer);
+        } else if (Policy.areAllVisualEffectsSuppressed(mBackend.mPolicy.suppressedVisualEffects)) {
+            preference.setTitle(R.string.zen_mode_restrict_notifications_hide_footer);
+        } else {
+            preference.setTitle(null);
+        }
+    }
+
+    protected void hide(PreferenceScreen screen) {
+        setVisible(screen, getPreferenceKey(), false /* visible */);
+    }
+}