PopImapSyncAdapterService.java revision e6cc662abc0b5fffe223cda5e980b4f05a4e91dd 
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
17package com.android.email.service;
18
19import com.android.email.Controller;
20import com.android.email.provider.EmailContent;
21import com.android.email.provider.EmailContent.Mailbox;
22
23import android.accounts.Account;
24import android.accounts.OperationCanceledException;
25import android.app.Service;
26import android.content.AbstractThreadedSyncAdapter;
27import android.content.ContentProviderClient;
28import android.content.ContentResolver;
29import android.content.Context;
30import android.content.Intent;
31import android.content.SyncResult;
32import android.database.Cursor;
33import android.os.Bundle;
34import android.os.IBinder;
35import android.util.Log;
36
37public class PopImapSyncAdapterService extends Service {
38    private static final String TAG = "PopImapSyncAdapterService";
39    private static SyncAdapterImpl sSyncAdapter = null;
40    private static final Object sSyncAdapterLock = new Object();
41
42    public PopImapSyncAdapterService() {
43        super();
44    }
45
46    private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter {
47        private Context mContext;
48
49        public SyncAdapterImpl(Context context) {
50            super(context, true /* autoInitialize */);
51            mContext = context;
52        }
53
54        @Override
55        public void onPerformSync(Account account, Bundle extras,
56                String authority, ContentProviderClient provider, SyncResult syncResult) {
57            try {
58                PopImapSyncAdapterService.performSync(mContext, account, extras,
59                        authority, provider, syncResult);
60            } catch (OperationCanceledException e) {
61            }
62        }
63    }
64
65    @Override
66    public void onCreate() {
67        super.onCreate();
68        synchronized (sSyncAdapterLock) {
69            if (sSyncAdapter == null) {
70                sSyncAdapter = new SyncAdapterImpl(getApplicationContext());
71            }
72        }
73    }
74
75    @Override
76    public IBinder onBind(Intent intent) {
77        return sSyncAdapter.getSyncAdapterBinder();
78    }
79
80    /**
81     * Partial integration with system SyncManager; we initiate manual syncs upon request
82     */
83    private static void performSync(Context context, Account account, Bundle extras,
84            String authority, ContentProviderClient provider, SyncResult syncResult)
85            throws OperationCanceledException {
86        if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false)) {
87            String emailAddress = account.name;
88            // Find an EmailProvider account with the Account's email address
89            Cursor c = context.getContentResolver().query(EmailContent.Account.CONTENT_URI,
90                    EmailContent.ID_PROJECTION, EmailContent.Account.EMAIL_ADDRESS + "=?",
91                    new String[] {emailAddress}, null);
92            if (c.moveToNext()) {
93                // If we have one, find the inbox and start it syncing
94                long accountId = c.getLong(EmailContent.Account.ID_PROJECTION_COLUMN);
95                long mailboxId = EmailContent.Mailbox.findMailboxOfType(context, accountId,
96                        Mailbox.TYPE_INBOX);
97                if (mailboxId > 0) {
98                    Log.d(TAG, "Starting manual sync for account " + emailAddress);
99                    Controller.getInstance(context).updateMailbox(accountId, mailboxId);
100                }
101            }
102        }
103    }
104}