MailService.java revision cc0185f07c9198008d8dc685ae9979f3e35e8539 
1/*
2 * Copyright (C) 2008 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
17package com.android.email.service;
18
19import android.accounts.AccountManager;
20import android.accounts.AccountManagerCallback;
21import android.app.Service;
22import android.content.Context;
23import android.content.Intent;
24import android.database.Cursor;
25import android.os.Bundle;
26import android.os.IBinder;
27
28import com.android.email.SingleRunningTask;
29import com.android.email.provider.AccountReconciler;
30import com.android.email.service.EmailServiceUtils.EmailServiceInfo;
31import com.android.email2.ui.MailActivityEmail;
32import com.android.emailcommon.AccountManagerTypes;
33import com.android.emailcommon.provider.Account;
34import com.android.emailcommon.provider.HostAuth;
35import com.android.emailcommon.utility.EmailAsyncTask;
36import com.google.common.annotations.VisibleForTesting;
37
38import java.util.ArrayList;
39import java.util.List;
40
41/**
42 * Legacy service, now used mainly for account reconciliation
43 */
44public class MailService extends Service {
45
46    @Override
47    public int onStartCommand(final Intent intent, int flags, final int startId) {
48        super.onStartCommand(intent, flags, startId);
49
50        EmailAsyncTask.runAsyncParallel(new Runnable() {
51            @Override
52            public void run() {
53                reconcilePopImapAccountsSync(MailService.this);
54            }
55        });
56
57        // Make sure our services are running, if necessary
58        MailActivityEmail.setServicesEnabledAsync(this);
59
60        // Returning START_NOT_STICKY means that if a mail check is killed (e.g. due to memory
61        // pressure, there will be no explicit restart.  This is OK;  Note that we set a watchdog
62        // alarm before each mailbox check.  If the mailbox check never completes, the watchdog
63        // will fire and get things running again.
64        return START_NOT_STICKY;
65    }
66
67    @Override
68    public IBinder onBind(Intent intent) {
69        return null;
70    }
71
72    public static ArrayList<Account> getPopImapAccountList(Context context) {
73        ArrayList<Account> providerAccounts = new ArrayList<Account>();
74        Cursor c = context.getContentResolver().query(Account.CONTENT_URI, Account.ID_PROJECTION,
75                null, null, null);
76        try {
77            while (c.moveToNext()) {
78                long accountId = c.getLong(Account.CONTENT_ID_COLUMN);
79                String protocol = Account.getProtocol(context, accountId);
80                EmailServiceInfo info = EmailServiceUtils.getServiceInfo(context, protocol);
81                if ((info != null) && info.accountType.equals(AccountManagerTypes.TYPE_POP_IMAP)) {
82                    Account account = Account.restoreAccountWithId(context, accountId);
83                    if (account != null) {
84                        providerAccounts.add(account);
85                    }
86                }
87            }
88        } finally {
89            c.close();
90        }
91        return providerAccounts;
92    }
93
94    private static final SingleRunningTask<Context> sReconcilePopImapAccountsSyncExecutor =
95            new SingleRunningTask<Context>("ReconcilePopImapAccountsSync") {
96                @Override
97                protected void runInternal(Context context) {
98                    android.accounts.Account[] accountManagerAccounts = AccountManager.get(context)
99                            .getAccountsByType(AccountManagerTypes.TYPE_POP_IMAP);
100                    ArrayList<Account> providerAccounts = getPopImapAccountList(context);
101                    MailService.reconcileAccountsWithAccountManager(context, providerAccounts,
102                            accountManagerAccounts, context);
103
104                }
105    };
106
107    /**
108     * Reconcile POP/IMAP accounts.
109     */
110    public static void reconcilePopImapAccountsSync(Context context) {
111        sReconcilePopImapAccountsSyncExecutor.run(context);
112    }
113
114    /**
115     * Determines whether or not POP/IMAP accounts need reconciling or not. This is a safe operation
116     * to perform on the UI thread.
117     */
118    public static boolean hasMismatchInPopImapAccounts(Context context) {
119        android.accounts.Account[] accountManagerAccounts = AccountManager.get(context)
120                .getAccountsByType(AccountManagerTypes.TYPE_POP_IMAP);
121        ArrayList<Account> providerAccounts = getPopImapAccountList(context);
122        return AccountReconciler.accountsNeedReconciling(
123                context, providerAccounts, accountManagerAccounts);
124    }
125
126    /**
127     * See Utility.reconcileAccounts for details
128     * @param context The context in which to operate
129     * @param emailProviderAccounts the exchange provider accounts to work from
130     * @param accountManagerAccounts The account manager accounts to work from
131     * @param providerContext the provider's context (in unit tests, this may differ from context)
132     */
133    @VisibleForTesting
134    public static void reconcileAccountsWithAccountManager(Context context,
135            List<Account> emailProviderAccounts, android.accounts.Account[] accountManagerAccounts,
136            Context providerContext) {
137        AccountReconciler.reconcileAccounts(context, emailProviderAccounts, accountManagerAccounts,
138                providerContext);
139    }
140
141    public static void setupAccountManagerAccount(Context context, Account account,
142            boolean email, boolean calendar, boolean contacts,
143            AccountManagerCallback<Bundle> callback) {
144        Bundle options = new Bundle();
145        HostAuth hostAuthRecv = HostAuth.restoreHostAuthWithId(context, account.mHostAuthKeyRecv);
146        if (hostAuthRecv == null) return;
147        // Set up username/password
148        options.putString(EasAuthenticatorService.OPTIONS_USERNAME, account.mEmailAddress);
149        options.putString(EasAuthenticatorService.OPTIONS_PASSWORD, hostAuthRecv.mPassword);
150        options.putBoolean(EasAuthenticatorService.OPTIONS_CONTACTS_SYNC_ENABLED, contacts);
151        options.putBoolean(EasAuthenticatorService.OPTIONS_CALENDAR_SYNC_ENABLED, calendar);
152        options.putBoolean(EasAuthenticatorService.OPTIONS_EMAIL_SYNC_ENABLED, email);
153        EmailServiceInfo info = EmailServiceUtils.getServiceInfo(context, hostAuthRecv.mProtocol);
154        AccountManager.get(context).addAccount(info.accountType, null, null, options, null,
155                callback, null);
156    }
157}
158