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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.settings.backup;
     18 
     19 import android.app.Activity;
     20 import android.app.FragmentManager;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.pm.PackageManager;
     24 import android.os.Bundle;
     25 import android.os.UserHandle;
     26 import android.support.annotation.VisibleForTesting;
     27 import android.util.Log;
     28 
     29 import com.android.settings.R;
     30 
     31 import com.android.settings.search.BaseSearchIndexProvider;
     32 import com.android.settings.search.Indexable;
     33 import com.android.settings.search.SearchIndexableRaw;
     34 
     35 import java.util.ArrayList;
     36 import java.util.List;
     37 
     38 
     39 /**
     40  * The activity used to launch the configured Backup activity or the preference screen
     41  * if the manufacturer provided their backup settings.
     42  */
     43 public class BackupSettingsActivity extends Activity implements Indexable {
     44     private static final String TAG = "BackupSettingsActivity";
     45     private FragmentManager mFragmentManager;
     46 
     47     @Override
     48     public void onCreate(Bundle savedInstanceState) {
     49         super.onCreate(savedInstanceState);
     50 
     51         BackupSettingsHelper backupHelper = new BackupSettingsHelper(this);
     52 
     53         if (!backupHelper.isBackupProvidedByManufacturer()) {
     54             // If manufacturer specific backup settings are not provided then launch
     55             // the backup settings provided by backup transport or the default one directly.
     56             if (Log.isLoggable(TAG, Log.DEBUG)) {
     57                 Log.d(TAG,
     58                         "No manufacturer settings found, launching the backup settings directly");
     59             }
     60             Intent intent = backupHelper.getIntentForBackupSettings();
     61             // enable the activity before launching it
     62             getPackageManager().setComponentEnabledSetting(intent.getComponent(),
     63                     PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
     64 
     65             // use startActivityForResult to let the activity check the caller signature
     66             startActivityForResult(intent, 1);
     67             finish();
     68         } else {
     69             if (Log.isLoggable(TAG, Log.DEBUG)) {
     70                 Log.d(TAG, "Manufacturer provided backup settings, showing the preference screen");
     71             }
     72             // mFragmentManager can be set by {@link #setFragmentManager()} for testing
     73             if (mFragmentManager == null) {
     74                 mFragmentManager = getFragmentManager();
     75             }
     76             mFragmentManager.beginTransaction()
     77                     .replace(android.R.id.content, new BackupSettingsFragment())
     78                     .commit();
     79         }
     80     }
     81 
     82     /**
     83      * For Search.
     84      */
     85     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
     86             new BaseSearchIndexProvider() {
     87                 private static final String BACKUP_SEARCH_INDEX_KEY = "backup";
     88 
     89                 @Override
     90                 public List<SearchIndexableRaw> getRawDataToIndex(Context context,
     91                         boolean enabled) {
     92 
     93                     final List<SearchIndexableRaw> result = new ArrayList<>();
     94 
     95                     // Add the activity title
     96                     SearchIndexableRaw data = new SearchIndexableRaw(context);
     97                     data.title = context.getResources().getString(R.string.privacy_settings_title);
     98                     data.screenTitle = context.getResources().getString(
     99                             R.string.privacy_settings_title);
    100                     data.keywords = context.getResources().getString(
    101                             R.string.keywords_backup);
    102                     data.intentTargetPackage = context.getPackageName();
    103                     data.intentTargetClass = BackupSettingsActivity.class.getName();
    104                     data.intentAction = "android.intent.action.MAIN";
    105                     data.key = BACKUP_SEARCH_INDEX_KEY;
    106                     result.add(data);
    107 
    108                     return result;
    109                 }
    110 
    111                 @Override
    112                 public List<String> getNonIndexableKeys(Context context) {
    113                     final List<String> keys = new ArrayList<String>();
    114 
    115                     // For non-primary user, no backup is available, so don't show it in search
    116                     // TODO: http://b/22388012
    117                     if (UserHandle.myUserId() != UserHandle.USER_SYSTEM) {
    118                         if (Log.isLoggable(TAG, Log.DEBUG)) {
    119                             Log.d(TAG, "Not a system user, not indexing the screen");
    120                         }
    121                         keys.add(BACKUP_SEARCH_INDEX_KEY);
    122                     }
    123 
    124                     return keys;
    125                 }
    126             };
    127 
    128     @VisibleForTesting
    129     void setFragmentManager(FragmentManager fragmentManager) {
    130         mFragmentManager = fragmentManager;
    131     }
    132 }