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.model.AccountTypeManager;
26import com.android.contacts.model.account.AccountWithDataSet;
27import com.android.contacts.model.account.GoogleAccountType;
28
29import java.util.List;
30
31/**
32 * Utilities related to sync.
33 */
34public 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}