Move reset options to one place

Change-Id: I419c16cbfc69861e01f28c14abdde137bd78f0bb
Fix: 36458355
Test: make RunSettingsRoboTests

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

@@ -15,22 +15,30 @@
  */
 package com.android.settings.system;
 
+import android.accounts.Account;
+import android.accounts.AccountManager;
 import android.content.Context;
-
+import android.content.pm.UserInfo;
+import android.os.UserHandle;
 import android.os.UserManager;
+import android.support.v7.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
 
+import java.util.List;
+
 public class FactoryResetPreferenceController extends PreferenceController {
-    /** Key of the "Factory reset" preference in {@link R.xml.system_dashboard_fragment}.*/
+    /** Key of the "Factory reset" preference in {@link R.xml.reset_dashboard_fragment}. */
     private static final String KEY_FACTORY_RESET = "factory_reset";
 
     private final UserManager mUm;
+    private final AccountManager mAm;
 
-    public FactoryResetPreferenceController(Context context, UserManager um) {
+    public FactoryResetPreferenceController(Context context) {
         super(context);
-        mUm = um;
+        mUm = (UserManager) context.getSystemService(Context.USER_SERVICE);
+        mAm = (AccountManager) context.getSystemService(Context.ACCOUNT_SERVICE);
     }
 
     /** Hide "Factory reset" settings for secondary users. */
@@ -43,4 +51,22 @@ public class FactoryResetPreferenceController extends PreferenceController {
     public String getPreferenceKey() {
         return KEY_FACTORY_RESET;
     }
+
+    @Override
+    public void updateState(Preference preference) {
+        final List<UserInfo> profiles = mUm.getProfiles(UserHandle.myUserId());
+        int accountsCount = 0;
+        for (UserInfo userInfo : profiles) {
+            final int profileId = userInfo.id;
+            Account[] accounts = mAm.getAccountsAsUser(profileId);
+            accountsCount += accounts.length;
+        }
+        if (accountsCount == 0) {
+            preference.setSummary(R.string.master_clear_summary);
+        } else {
+            preference.setSummary(mContext.getResources().getQuantityString(
+                    R.plurals.master_clear_with_account_summary,
+                    accountsCount, accountsCount));
+        }
+    }
 }

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

@@ -0,0 +1,86 @@
+/*
+ * 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.provider.SearchIndexableResource;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.applications.ResetAppPrefPreferenceController;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.network.NetworkResetPreferenceController;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.search.Indexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ResetDashboardFragment extends DashboardFragment {
+
+    private static final String TAG = "ResetDashboardFragment";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.RESET_DASHBOARD;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.reset_dashboard_fragment;
+    }
+
+    @Override
+    protected List<PreferenceController> getPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context, getLifecycle());
+    }
+
+    private static List<PreferenceController> buildPreferenceControllers(Context context,
+            Lifecycle lifecycle) {
+        final List<PreferenceController> controllers = new ArrayList<>();
+        controllers.add(new NetworkResetPreferenceController(context));
+        controllers.add(new FactoryResetPreferenceController(context));
+        controllers.add(new ResetAppPrefPreferenceController(context, lifecycle));
+        return controllers;
+    }
+
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
+                        boolean enabled) {
+                    final ArrayList<SearchIndexableResource> result = new ArrayList<>();
+
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.reset_dashboard_fragment;
+                    result.add(sir);
+                    return result;
+                }
+
+                @Override
+                public List<PreferenceController> getPreferenceControllers(Context context) {
+                    return buildPreferenceControllers(context, null /* lifecycle */);
+                }
+            };
+}

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

@@ -60,7 +60,6 @@ public class SystemDashboardFragment extends DashboardFragment {
         final List<PreferenceController> controllers = new ArrayList<>();
         controllers.add(new SystemUpdatePreferenceController(context, UserManager.get(context)));
         controllers.add(new AdditionalSystemUpdatePreferenceController(context));
-        controllers.add(new FactoryResetPreferenceController(context, UserManager.get(context)));
         return controllers;
     }