Gentle notifications screen

With lockscreen and status bar settings

Test: robo tests
Bug: 128445911
Change-Id: I46c5943d4d8dc1ee74b5b920239f259f5880a2d3

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

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2019 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 static android.provider.Settings.Secure.NOTIFICATION_BUBBLES;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+import androidx.annotation.VisibleForTesting;
+
+public class GentleNotificationsPreferenceController extends BasePreferenceController {
+
+    @VisibleForTesting
+    static final int ON = 1;
+
+    private NotificationBackend mBackend;
+
+    public GentleNotificationsPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mBackend = new NotificationBackend();
+    }
+
+    @VisibleForTesting
+    void setBackend(NotificationBackend backend) {
+        mBackend = backend;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        boolean showOnLockscreen = showOnLockscreen();
+        boolean showOnStatusBar = showOnStatusBar();
+
+        if (showOnLockscreen) {
+            if (showOnStatusBar) {
+                return mContext.getString(
+                        R.string.gentle_notifications_display_summary_shade_status_lock);
+            } else {
+                return mContext.getString(R.string.gentle_notifications_display_summary_shade_lock);
+            }
+        } else if (showOnStatusBar) {
+            return mContext.getString(R.string.gentle_notifications_display_summary_shade_status);
+        } else {
+            return mContext.getString(R.string.gentle_notifications_display_summary_shade);
+        }
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    private boolean showOnLockscreen() {
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.LOCK_SCREEN_SHOW_SILENT_NOTIFICATIONS, 0) == ON;
+    }
+
+    private boolean showOnStatusBar() {
+        return !mBackend.shouldHideSilentStatusBarIcons(mContext);
+    }
+}