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      1 /*
      2  * Copyright (C) 2010 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.providers.contacts;
     18 
     19 import android.app.ActivityManagerNative;
     20 import android.content.BroadcastReceiver;
     21 import android.content.ComponentName;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.SharedPreferences;
     25 import android.content.pm.PackageManager;
     26 import android.os.Build;
     27 import android.os.RemoteException;
     28 import android.util.Log;
     29 
     30 import libcore.icu.ICU;
     31 
     32 /**
     33  * This will be launched during system boot, after the core system has
     34  * been brought up but before any non-persistent processes have been
     35  * started.  It is launched in a special state, with no content provider
     36  * or custom application class associated with the process running.
     37  *
     38  * It's job is to prime the contacts database. Either create it
     39  * if it doesn't exist, or open it and force any necessary upgrades.
     40  * All of this heavy lifting happens before the boot animation ends.
     41  */
     42 public class ContactsUpgradeReceiver extends BroadcastReceiver {
     43     static final String TAG = "ContactsUpgradeReceiver";
     44     static final String PREF_DB_VERSION = "db_version";
     45     static final String PREF_ICU_VERSION = "icu_version";
     46     static final String PREF_OS_VERSION = "os_version";
     47 
     48     @Override
     49     public void onReceive(Context context, Intent intent) {
     50         // We are now running with the system up, but no apps started,
     51         // so can do whatever cleanup after an upgrade that we want.
     52 
     53         try {
     54             long startTime = System.currentTimeMillis();
     55 
     56             // Lookup the last known database version
     57             final SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
     58             final int prefDbVersion = prefs.getInt(PREF_DB_VERSION, 0);
     59 
     60             final String curIcuVersion = ICU.getIcuVersion();
     61             final String curOsVersion = getOsVersionString();
     62 
     63             final String prefIcuVersion = prefs.getString(PREF_ICU_VERSION, "");
     64             final String prefOsVersion = prefs.getString(PREF_OS_VERSION, "");
     65 
     66             // If the version is old go ahead and attempt to create or upgrade the database.
     67             if (prefDbVersion != ContactsDatabaseHelper.DATABASE_VERSION ||
     68                     !prefIcuVersion.equals(curIcuVersion) ||
     69                     !prefOsVersion.equals(curOsVersion)) {
     70                 // Store the current version so this receiver isn't run again until the database
     71                 // version number changes. This is intentionally done even before the upgrade path
     72                 // is attempted to be conservative. If the upgrade fails for some reason and we
     73                 // crash and burn we don't want to get into a loop doing so.
     74                 SharedPreferences.Editor editor = prefs.edit();
     75                 editor.putInt(PREF_DB_VERSION, ContactsDatabaseHelper.DATABASE_VERSION);
     76                 editor.putString(PREF_ICU_VERSION, curIcuVersion);
     77                 editor.putString(PREF_OS_VERSION, curOsVersion);
     78                 editor.commit();
     79 
     80                 // Ask for a reference to the database to force the helper to either
     81                 // create the database or open it up, performing any necessary upgrades
     82                 // in the process.
     83                 ContactsDatabaseHelper helper = ContactsDatabaseHelper.getInstance(context);
     84                 ProfileDatabaseHelper profileHelper = ProfileDatabaseHelper.getInstance(context);
     85                 CallLogDatabaseHelper calllogHelper = CallLogDatabaseHelper.getInstance(context);
     86 
     87                 Log.i(TAG, "Creating or opening contacts database");
     88 
     89                 helper.getWritableDatabase();
     90                 helper.clearDirectoryScanComplete();
     91 
     92                 profileHelper.getWritableDatabase();
     93                 calllogHelper.getWritableDatabase();
     94 
     95                 ContactsProvider2.updateLocaleOffline(context, helper, profileHelper);
     96 
     97                 // Log the total time taken for the receiver to perform the operation
     98                 EventLogTags.writeContactsUpgradeReceiver(System.currentTimeMillis() - startTime);
     99             }
    100         } catch (Throwable t) {
    101             // Something has gone terribly wrong. Disable this receiver for good so we can't
    102             // possibly end up in a reboot loop.
    103             Log.wtf(TAG, "Error during upgrade attempt. Disabling receiver.", t);
    104             context.getPackageManager().setComponentEnabledSetting(
    105                     new ComponentName(context, getClass()),
    106                     PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
    107                     PackageManager.DONT_KILL_APP);
    108         }
    109     }
    110 
    111     private static String getOsVersionString() {
    112         return Build.ID;
    113     }
    114 }
    115