Added zen settings messages and calls preferences.

- Made ZenModeSettings and ZenModeBehaviorSettings a DashboardFragment
- Switches in ZenModeBehaviorSettings all have their own preference controllers
- Instead of a dropdown, messages & calls have their own pages & preference controllers
- Added basic turn on/off DND button in settings (dialog not yet implemented)

Bug: 63077372
Fixes: 69057767
Test: make -j40 RunSettingsRoboTests
Change-Id: I1c70f77053713f66f873ee578477f23cfd7985bb

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

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2017 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;
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.widget.RadioButtonPickerFragment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ZenModeMessagesSettings extends RadioButtonPickerFragment {
+    private ZenModeBackend mBackend;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mBackend = ZenModeBackend.getInstance(context);
+    }
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.NOTIFICATION_ZEN_MODE_MESSAGES;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.zen_mode_messages_settings;
+    }
+
+    @Override
+    protected List<? extends RadioButtonPickerFragment.CandidateInfo> getCandidates() {
+        final String[] entries = entries();
+        final String[] values = keys();
+        final List<MessagesCandidateInfo> candidates = new ArrayList<>();
+
+        if (entries == null || entries.length <= 0) return null;
+        if (values == null || values.length != entries.length) {
+            throw new IllegalArgumentException("Entries and values must be of the same length.");
+        }
+
+        for (int i = 0; i < entries.length; i++) {
+            candidates.add(new MessagesCandidateInfo(entries[i], values[i]));
+        }
+
+        return candidates;
+    }
+
+    private String[] entries() {
+        return getResources().getStringArray(R.array.zen_mode_contacts_entries);
+    }
+
+    private String[] keys() {
+        return getResources().getStringArray(R.array.zen_mode_contacts_values);
+    }
+
+    @Override
+    protected String getDefaultKey() {
+        return mBackend.getSendersKey(NotificationManager.Policy.PRIORITY_CATEGORY_MESSAGES);
+    }
+
+    @Override
+    protected boolean setDefaultKey(String key) {
+        mBackend.saveSenders(NotificationManager.Policy.PRIORITY_CATEGORY_MESSAGES,
+                mBackend.getSettingFromPrefKey(key));
+        return true;
+    }
+
+    private final class MessagesCandidateInfo extends RadioButtonPickerFragment.CandidateInfo {
+        private final String name;
+        private final String key;
+
+        MessagesCandidateInfo(String title, String value) {
+            super(true);
+
+            name = title;
+            key = value;
+        }
+
+        @Override
+        public CharSequence loadLabel() {
+            return name;
+        }
+
+        @Override
+        public Drawable loadIcon() {
+            return null;
+        }
+
+        @Override
+        public String getKey() {
+            return key;
+        }
+    }
+}