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      1 /*
      2  * Copyright (C) 2016 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 package com.android.contacts.util;
     17 
     18 import android.accounts.Account;
     19 import android.content.ContentResolver;
     20 import android.content.Context;
     21 import android.net.ConnectivityManager;
     22 import android.net.NetworkInfo;
     23 import android.provider.ContactsContract;
     24 
     25 import com.android.contacts.model.AccountTypeManager;
     26 import com.android.contacts.model.account.AccountWithDataSet;
     27 import com.android.contacts.model.account.GoogleAccountType;
     28 
     29 import java.util.List;
     30 
     31 /**
     32  * Utilities related to sync.
     33  */
     34 public final class SyncUtil {
     35     private static final String TAG = "SyncUtil";
     36 
     37     public static final int SYNC_SETTING_SYNC_ON = 0;
     38     public static final int SYNC_SETTING_GLOBAL_SYNC_OFF = 1;
     39     public static final int SYNC_SETTING_ACCOUNT_SYNC_OFF = 2;
     40 
     41     private SyncUtil() {
     42     }
     43 
     44     public static final boolean isSyncStatusPendingOrActive(Account account) {
     45         if (account == null) {
     46             return false;
     47         }
     48         return ContentResolver.isSyncPending(account, ContactsContract.AUTHORITY)
     49                 || ContentResolver.isSyncActive(account, ContactsContract.AUTHORITY);
     50     }
     51 
     52     /**
     53      * Returns true {@link ContentResolver#isSyncPending(Account, String)} or
     54      * {@link ContentResolver#isSyncActive(Account, String)} is true for any account in accounts
     55      */
     56     public static final boolean isAnySyncing(List<AccountWithDataSet> accounts) {
     57         for (AccountWithDataSet accountWithDataSet : accounts) {
     58             if (isSyncStatusPendingOrActive(accountWithDataSet.getAccountOrNull())) {
     59                 return true;
     60             }
     61         }
     62         return false;
     63     }
     64 
     65     /**
     66      * Returns true if the given Google account is not syncable.
     67      */
     68     public static final boolean isUnsyncableGoogleAccount(Account account) {
     69         if (account == null || !GoogleAccountType.ACCOUNT_TYPE.equals(account.type)) {
     70             return false;
     71         }
     72         return ContentResolver.getIsSyncable(account, ContactsContract.AUTHORITY) <= 0;
     73     }
     74 
     75     public static final boolean hasSyncableAccount(AccountTypeManager accountTypeManager) {
     76         return !accountTypeManager.getWritableGoogleAccounts().isEmpty();
     77     }
     78 
     79     public static boolean isAlertVisible(Context context, Account account, int reason) {
     80         if (reason == SYNC_SETTING_GLOBAL_SYNC_OFF) {
     81             return (SharedPreferenceUtil.getNumOfDismissesForAutoSyncOff(context) == 0);
     82         } else if (reason == SYNC_SETTING_ACCOUNT_SYNC_OFF && account != null) {
     83             return (SharedPreferenceUtil.getNumOfDismissesforAccountSyncOff(
     84                     context, account.name) == 0);
     85         }
     86         return false;
     87     }
     88 
     89     public static int calculateReasonSyncOff(Context context, Account account) {
     90         // Global sync is turned off
     91         if (!ContentResolver.getMasterSyncAutomatically()) {
     92             if (account != null) {
     93                 SharedPreferenceUtil.resetNumOfDismissesForAccountSyncOff(
     94                         context, account.name);
     95             }
     96             return SYNC_SETTING_GLOBAL_SYNC_OFF;
     97         }
     98 
     99         // Global sync is on, clear the number of times users has dismissed this
    100         // alert so that next time global sync is off, alert gets displayed again.
    101         SharedPreferenceUtil.resetNumOfDismissesForAutoSyncOff(context);
    102         if (account != null) {
    103             // Account level sync is off
    104             if (!ContentResolver.getSyncAutomatically(account, ContactsContract.AUTHORITY)) {
    105                 return SYNC_SETTING_ACCOUNT_SYNC_OFF;
    106             }
    107             // Account sync is on, clear the number of times users has dismissed this
    108             // alert so that next time sync is off, alert gets displayed again.
    109             SharedPreferenceUtil.resetNumOfDismissesForAccountSyncOff(
    110                     context, account.name);
    111         }
    112         return SYNC_SETTING_SYNC_ON;
    113     }
    114 
    115     public static boolean isNetworkConnected(Context context) {
    116         ConnectivityManager cm =
    117                 (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
    118         NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
    119         return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
    120     }
    121 }