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.exchange; 18 19import com.android.emailcommon.provider.EmailContent; 20import com.android.emailcommon.provider.EmailContent.AccountColumns; 21import com.android.emailcommon.provider.EmailContent.MailboxColumns; 22import com.android.emailcommon.provider.Mailbox; 23 24import android.accounts.Account; 25import android.accounts.OperationCanceledException; 26import android.app.Service; 27import android.content.AbstractThreadedSyncAdapter; 28import android.content.ContentProviderClient; 29import android.content.ContentResolver; 30import android.content.Context; 31import android.content.Intent; 32import android.content.SyncResult; 33import android.database.Cursor; 34import android.os.Bundle; 35import android.os.IBinder; 36import android.util.Log; 37 38public class EmailSyncAdapterService extends Service { 39 private static final String TAG = "EAS EmailSyncAdapterService"; 40 private static SyncAdapterImpl sSyncAdapter = null; 41 private static final Object sSyncAdapterLock = new Object(); 42 43 private static final String[] ID_PROJECTION = new String[] {EmailContent.RECORD_ID}; 44 private static final String ACCOUNT_AND_TYPE_INBOX = 45 MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + '=' + Mailbox.TYPE_INBOX; 46 47 public EmailSyncAdapterService() { 48 super(); 49 } 50 51 private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter { 52 private Context mContext; 53 54 public SyncAdapterImpl(Context context) { 55 super(context, true /* autoInitialize */); 56 mContext = context; 57 } 58 59 @Override 60 public void onPerformSync(Account account, Bundle extras, 61 String authority, ContentProviderClient provider, SyncResult syncResult) { 62 try { 63 EmailSyncAdapterService.performSync(mContext, account, extras, 64 authority, provider, syncResult); 65 } catch (OperationCanceledException e) { 66 } 67 } 68 } 69 70 @Override 71 public void onCreate() { 72 super.onCreate(); 73 synchronized (sSyncAdapterLock) { 74 if (sSyncAdapter == null) { 75 sSyncAdapter = new SyncAdapterImpl(getApplicationContext()); 76 } 77 } 78 } 79 80 @Override 81 public IBinder onBind(Intent intent) { 82 return sSyncAdapter.getSyncAdapterBinder(); 83 } 84 85 /** 86 * Partial integration with system SyncManager; we tell our EAS ExchangeService to start an 87 * inbox sync when we get the signal from the system SyncManager. 88 */ 89 private static void performSync(Context context, Account account, Bundle extras, 90 String authority, ContentProviderClient provider, SyncResult syncResult) 91 throws OperationCanceledException { 92 ContentResolver cr = context.getContentResolver(); 93 Log.i(TAG, "performSync"); 94 95 // Find the (EmailProvider) account associated with this email address 96 Cursor accountCursor = 97 cr.query(com.android.emailcommon.provider.Account.CONTENT_URI, 98 ID_PROJECTION, AccountColumns.EMAIL_ADDRESS + "=?", new String[] {account.name}, 99 null); 100 try { 101 if (accountCursor.moveToFirst()) { 102 long accountId = accountCursor.getLong(0); 103 // Now, find the inbox associated with the account 104 Cursor mailboxCursor = cr.query(Mailbox.CONTENT_URI, ID_PROJECTION, 105 ACCOUNT_AND_TYPE_INBOX, new String[] {Long.toString(accountId)}, null); 106 try { 107 if (mailboxCursor.moveToFirst()) { 108 Log.i(TAG, "Mail sync requested for " + account.name); 109 // Ask for a sync from our sync manager 110 ExchangeService.serviceRequest(mailboxCursor.getLong(0), 111 ExchangeService.SYNC_KICK); 112 } 113 } finally { 114 mailboxCursor.close(); 115 } 116 } 117 } finally { 118 accountCursor.close(); 119 } 120 } 121}