Hide "Factory reset" item for secondary users

Bug: 35415714
Test: make RunSettingsRoboTests
Change-Id: I48d6d094476c5fc83dbc17906d84cc848e499624

src/com/android/settings/system/FactoryResetPreferenceController.java

@@ -0,0 +1,46 @@
+/*
+ * 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.system;
+
+import android.content.Context;
+
+import android.os.UserManager;
+
+import com.android.settings.R;
+import com.android.settings.core.PreferenceController;
+
+public class FactoryResetPreferenceController extends PreferenceController {
+    /** Key of the "Factory reset" preference in {@link R.xml.system_dashboard_fragment}.*/
+    private static final String KEY_FACTORY_RESET = "factory_reset";
+
+    private final UserManager mUm;
+
+    public FactoryResetPreferenceController(Context context, UserManager um) {
+        super(context);
+        mUm = um;
+    }
+
+    /** Hide "Factory reset" settings for secondary users. */
+    @Override
+    public boolean isAvailable() {
+        return mUm.isAdminUser();
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_FACTORY_RESET;
+    }
+}