Add page Settings->Security & lock screen->Lock screen preferences.

- add the new preference screen that contains configuration for lock
screen notification, add user when locked, and owner info.
- refactor SecuritySettings to use the new owner info controller.

Fix: 36163515
Test: make RunSettingsRoboTests

Change-Id: I3bada8f652f89ed0af7aebc03f0bf2f637296b4d

src/com/android/settings/security/LockscreenDashboardFragment.java

@@ -0,0 +1,103 @@
+/*
+ * 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.security;
+
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.accounts.AddUserWhenLockedPreferenceController;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.notification.LockScreenNotificationPreferenceController;
+import com.android.settings.search.BaseSearchIndexProvider;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Settings screen for lock screen preference
+ */
+public class LockscreenDashboardFragment extends DashboardFragment
+        implements OwnerInfoPreferenceController.OwnerInfoCallback {
+
+    private static final String TAG = "LockscreenDashboardFragment";
+
+    private OwnerInfoPreferenceController mOwnerInfoPreferenceController;
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.SETTINGS_LOCK_SCREEN_PREFERENCES;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.security_lockscreen_settings;
+    }
+
+    @Override
+    protected List<PreferenceController> getPreferenceControllers(Context context) {
+        final List<PreferenceController> controllers = new ArrayList<>();
+        final Lifecycle lifecycle = getLifecycle();
+        final LockScreenNotificationPreferenceController notificationController =
+            new LockScreenNotificationPreferenceController(context);
+        lifecycle.addObserver(notificationController);
+        controllers.add(notificationController);
+        final AddUserWhenLockedPreferenceController addUserWhenLockedController =
+            new AddUserWhenLockedPreferenceController(context);
+        lifecycle.addObserver(addUserWhenLockedController);
+        controllers.add(addUserWhenLockedController);
+        mOwnerInfoPreferenceController =
+            new OwnerInfoPreferenceController(context, this, lifecycle);
+        controllers.add(mOwnerInfoPreferenceController);
+        return controllers;
+    }
+
+    @Override
+    public void onOwnerInfoUpdated() {
+        if (mOwnerInfoPreferenceController != null) {
+            mOwnerInfoPreferenceController.updateSummary();
+        }
+    }
+
+    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+        new BaseSearchIndexProvider() {
+            @Override
+            public List<SearchIndexableResource> getXmlResourcesToIndex(
+                Context context, boolean enabled) {
+                final SearchIndexableResource sir = new SearchIndexableResource(context);
+                sir.xmlResId = R.xml.security_lockscreen_settings;
+                return Arrays.asList(sir);
+            }
+
+            @Override
+            public List<PreferenceController> getPreferenceControllers(Context context) {
+                final List<PreferenceController> controllers = new ArrayList<>();
+                controllers.add(new LockScreenNotificationPreferenceController(context));
+                controllers.add(new AddUserWhenLockedPreferenceController(context));
+                controllers.add(new OwnerInfoPreferenceController(
+                    context, null /* fragment */, null /* lifecycle */));
+                return controllers;
+            }
+        };
+}