SyncUtil.java revision 395c3f8bafa89578d4559cf108eb668040e5ac93 
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 */
16package com.android.contacts.util;
17
18import android.accounts.Account;
19import android.content.ContentResolver;
20import android.content.Context;
21import android.net.ConnectivityManager;
22import android.net.NetworkInfo;
23import android.provider.ContactsContract;
24
25import com.android.contacts.common.model.account.GoogleAccountType;
26
27import java.util.List;
28
29/**
30 * Utilities related to sync.
31 */
32public final class SyncUtil {
33    private static final String TAG = "SyncUtil";
34
35    public static final int SYNC_SETTING_SYNC_ON = 0;
36    public static final int SYNC_SETTING_GLOBAL_SYNC_OFF = 1;
37    public static final int SYNC_SETTING_ACCOUNT_SYNC_OFF = 2;
38
39    private SyncUtil() {
40    }
41
42    public static final boolean isSyncStatusPendingOrActive(Account account) {
43        if (account == null) {
44            return false;
45        }
46        return ContentResolver.isSyncPending(account, ContactsContract.AUTHORITY)
47                || ContentResolver.isSyncActive(account, ContactsContract.AUTHORITY);
48    }
49
50    /**
51     * Returns true if the given Google account is not syncable.
52     */
53    public static final boolean isUnsyncableGoogleAccount(Account account) {
54        if (account == null || !GoogleAccountType.ACCOUNT_TYPE.equals(account.type)) {
55            return false;
56        }
57        return ContentResolver.getIsSyncable(account, ContactsContract.AUTHORITY) <= 0;
58    }
59
60    public static boolean isAlertVisible(Context context, Account account, int reason) {
61        if (reason == SYNC_SETTING_GLOBAL_SYNC_OFF) {
62            return (SharedPreferenceUtil.getNumOfDismissesForAutoSyncOff(context) == 0);
63        } else if (reason == SYNC_SETTING_ACCOUNT_SYNC_OFF && account != null) {
64            return (SharedPreferenceUtil.getNumOfDismissesforAccountSyncOff(
65                    context, account.name) == 0);
66        }
67        return false;
68    }
69
70    public static int calculateReasonSyncOff(Context context, Account account) {
71        // Global sync is turned off
72        if (!ContentResolver.getMasterSyncAutomatically()) {
73            if (account != null) {
74                SharedPreferenceUtil.resetNumOfDismissesForAccountSyncOff(
75                        context, account.name);
76            }
77            return SYNC_SETTING_GLOBAL_SYNC_OFF;
78        }
79
80        // Global sync is on, clear the number of times users has dismissed this
81        // alert so that next time global sync is off, alert gets displayed again.
82        SharedPreferenceUtil.resetNumOfDismissesForAutoSyncOff(context);
83        if (account != null) {
84            // Account level sync is off
85            if (!ContentResolver.getSyncAutomatically(account, ContactsContract.AUTHORITY)) {
86                return SYNC_SETTING_ACCOUNT_SYNC_OFF;
87            }
88            // Account sync is on, clear the number of times users has dismissed this
89            // alert so that next time sync is off, alert gets displayed again.
90            SharedPreferenceUtil.resetNumOfDismissesForAccountSyncOff(
91                    context, account.name);
92        }
93        return SYNC_SETTING_SYNC_ON;
94    }
95
96    public static boolean isNetworkConnected(Context context) {
97        ConnectivityManager cm =
98                (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
99        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
100        return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
101    }
102}