1 /* 2 * Copyright (C) 2009 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 17 package com.android.exchange.service; 18 19 import android.accounts.Account; 20 import android.content.AbstractThreadedSyncAdapter; 21 import android.content.ContentProviderClient; 22 import android.content.ContentResolver; 23 import android.content.Context; 24 import android.content.SyncResult; 25 import android.database.Cursor; 26 import android.net.Uri; 27 import android.os.Bundle; 28 import android.provider.ContactsContract.Groups; 29 import android.provider.ContactsContract.RawContacts; 30 import android.util.Log; 31 32 import com.android.emailcommon.provider.EmailContent; 33 import com.android.emailcommon.provider.EmailContent.MailboxColumns; 34 import com.android.emailcommon.provider.Mailbox; 35 import com.android.exchange.Eas; 36 import com.android.mail.utils.LogUtils; 37 38 public class ContactsSyncAdapterService extends AbstractSyncAdapterService { 39 private static final String TAG = Eas.LOG_TAG; 40 private static final String ACCOUNT_AND_TYPE_CONTACTS = 41 MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + '=' + Mailbox.TYPE_CONTACTS; 42 43 private static final Object sSyncAdapterLock = new Object(); 44 private static AbstractThreadedSyncAdapter sSyncAdapter = null; 45 46 public ContactsSyncAdapterService() { 47 super(); 48 } 49 50 @Override 51 protected AbstractThreadedSyncAdapter getSyncAdapter() { 52 synchronized (sSyncAdapterLock) { 53 if (sSyncAdapter == null) { 54 sSyncAdapter = new SyncAdapterImpl(this); 55 } 56 return sSyncAdapter; 57 } 58 } 59 60 private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter { 61 public SyncAdapterImpl(Context context) { 62 super(context, true /* autoInitialize */); 63 } 64 65 @Override 66 public void onPerformSync(Account account, Bundle extras, 67 String authority, ContentProviderClient provider, SyncResult syncResult) { 68 if (LogUtils.isLoggable(TAG, Log.DEBUG)) { 69 LogUtils.d(TAG, "onPerformSync Contacts starting %s, %s", account.toString(), 70 extras.toString()); 71 } else { 72 LogUtils.i(TAG, "onPerformSync Contacts starting %s", extras.toString()); 73 } 74 ContactsSyncAdapterService.performSync(getContext(), account, extras); 75 LogUtils.d(TAG, "onPerformSync Contacts finished"); 76 } 77 } 78 79 private static boolean hasDirtyRows(ContentResolver resolver, Uri uri, String dirtyColumn) { 80 Cursor c = resolver.query(uri, EmailContent.ID_PROJECTION, dirtyColumn + "=1", null, null); 81 try { 82 return c.getCount() > 0; 83 } finally { 84 c.close(); 85 } 86 } 87 88 /** 89 * Partial integration with system SyncManager; we tell our EAS ExchangeService to start a 90 * contacts sync when we get the signal from SyncManager. 91 * The missing piece at this point is integration with the push/ping mechanism in EAS; this will 92 * be put in place at a later time. 93 */ 94 private static void performSync(Context context, Account account, Bundle extras) { 95 if (extras.getBoolean(Mailbox.SYNC_EXTRA_NOOP, false)) { 96 LogUtils.d(TAG, "No-op sync requested, done"); 97 return; 98 } 99 ContentResolver cr = context.getContentResolver(); 100 // If we've been asked to do an upload, make sure we've got work to do 101 if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD)) { 102 Uri uri = RawContacts.CONTENT_URI.buildUpon() 103 .appendQueryParameter(RawContacts.ACCOUNT_NAME, account.name) 104 .appendQueryParameter(RawContacts.ACCOUNT_TYPE, Eas.EXCHANGE_ACCOUNT_MANAGER_TYPE) 105 .build(); 106 // See if we've got dirty contacts or dirty groups containing our contacts 107 boolean changed = hasDirtyRows(cr, uri, RawContacts.DIRTY); 108 if (!changed) { 109 uri = Groups.CONTENT_URI.buildUpon() 110 .appendQueryParameter(RawContacts.ACCOUNT_NAME, account.name) 111 .appendQueryParameter(RawContacts.ACCOUNT_TYPE, 112 Eas.EXCHANGE_ACCOUNT_MANAGER_TYPE) 113 .build(); 114 changed = hasDirtyRows(cr, uri, Groups.DIRTY); 115 } 116 if (!changed) { 117 LogUtils.d(TAG, "Upload sync; no changes"); 118 return; 119 } 120 } 121 122 // Forward the sync request to the EmailSyncAdapterService. 123 long [] mailboxIds = Mailbox.getMailboxIdsFromBundle(extras); 124 final Bundle mailExtras; 125 if (mailboxIds == null) { 126 // We weren't given any particular mailboxId, specify a sync for all contacts. 127 mailExtras = new Bundle(); 128 mailExtras.putInt(Mailbox.SYNC_EXTRA_MAILBOX_TYPE, Mailbox.TYPE_CONTACTS); 129 } else { 130 // Otherwise, add all of the mailboxes specified in the original sync extras. 131 mailExtras = Mailbox.createSyncBundle(mailboxIds); 132 } 133 mailExtras.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true); 134 mailExtras.putBoolean(ContentResolver.SYNC_EXTRAS_DO_NOT_RETRY, true); 135 if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, false)) { 136 mailExtras.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true); 137 } 138 ContentResolver.requestSync(account, EmailContent.AUTHORITY, mailExtras); 139 LogUtils.d(TAG, "requestSync ContactsSyncAdapter %s", mailExtras.toString()); 140 } 141 } 142
