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.content.AbstractThreadedSyncAdapter; 20 import android.content.ContentProviderClient; 21 import android.content.ContentResolver; 22 import android.content.Context; 23 import android.content.SyncResult; 24 import android.database.Cursor; 25 import android.net.Uri; 26 import android.os.Bundle; 27 import android.os.RemoteException; 28 import android.provider.ContactsContract.Groups; 29 import android.provider.ContactsContract.RawContacts; 30 import android.util.Log; 31 32 import com.android.emailcommon.provider.Account; 33 import com.android.emailcommon.provider.EmailContent; 34 import com.android.emailcommon.provider.EmailContent.MailboxColumns; 35 import com.android.emailcommon.provider.Mailbox; 36 import com.android.emailcommon.service.EmailServiceStatus; 37 import com.android.exchange.Eas; 38 import com.android.mail.utils.LogUtils; 39 40 public class ContactsSyncAdapterService extends AbstractSyncAdapterService { 41 private static final String TAG = Eas.LOG_TAG; 42 private static final String ACCOUNT_AND_TYPE_CONTACTS = 43 MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + '=' + Mailbox.TYPE_CONTACTS; 44 45 private static final Object sSyncAdapterLock = new Object(); 46 private static AbstractThreadedSyncAdapter sSyncAdapter = null; 47 ContactsSyncAdapterService()48 public ContactsSyncAdapterService() { 49 super(); 50 } 51 52 @Override getSyncAdapter()53 protected AbstractThreadedSyncAdapter getSyncAdapter() { 54 synchronized (sSyncAdapterLock) { 55 if (sSyncAdapter == null) { 56 sSyncAdapter = new SyncAdapterImpl(this); 57 } 58 return sSyncAdapter; 59 } 60 } 61 62 private class SyncAdapterImpl extends AbstractThreadedSyncAdapter { SyncAdapterImpl(Context context)63 public SyncAdapterImpl(Context context) { 64 super(context, true /* autoInitialize */); 65 } 66 67 @Override onPerformSync(android.accounts.Account acct, Bundle extras, String authority, ContentProviderClient provider, SyncResult syncResult)68 public void onPerformSync(android.accounts.Account acct, Bundle extras, 69 String authority, ContentProviderClient provider, SyncResult syncResult) { 70 if (LogUtils.isLoggable(TAG, Log.DEBUG)) { 71 LogUtils.d(TAG, "onPerformSync contacts starting %s, %s", acct.toString(), 72 extras.toString()); 73 } else { 74 LogUtils.i(TAG, "onPerformSync contacts starting %s", extras.toString()); 75 } 76 if (!waitForService()) { 77 // The service didn't connect, nothing we can do. 78 return; 79 } 80 81 final Account emailAccount = Account.restoreAccountWithAddress( 82 ContactsSyncAdapterService.this, acct.name); 83 if (emailAccount == null) { 84 // There could be a timing issue with onPerformSync() being called and 85 // the account being removed from our database. 86 LogUtils.w(TAG, 87 "onPerformSync() - Could not find an Account, skipping contacts sync."); 88 return; 89 } 90 91 // TODO: is this still needed? 92 // If we've been asked to do an upload, make sure we've got work to do 93 if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD)) { 94 Uri uri = RawContacts.CONTENT_URI.buildUpon() 95 .appendQueryParameter(RawContacts.ACCOUNT_NAME, acct.name) 96 .appendQueryParameter(RawContacts.ACCOUNT_TYPE, 97 Eas.EXCHANGE_ACCOUNT_MANAGER_TYPE) 98 .build(); 99 // See if we've got dirty contacts or dirty groups containing our contacts 100 boolean changed = hasDirtyRows(getContentResolver(), uri, RawContacts.DIRTY); 101 if (!changed) { 102 uri = Groups.CONTENT_URI.buildUpon() 103 .appendQueryParameter(RawContacts.ACCOUNT_NAME, acct.name) 104 .appendQueryParameter(RawContacts.ACCOUNT_TYPE, 105 Eas.EXCHANGE_ACCOUNT_MANAGER_TYPE) 106 .build(); 107 changed = hasDirtyRows(getContentResolver(), uri, Groups.DIRTY); 108 } 109 if (!changed) { 110 LogUtils.d(TAG, "Upload sync; no changes"); 111 return; 112 } 113 } 114 115 // TODO: move this to some common place. 116 // Push only means this sync request should only refresh the ping (either because 117 // settings changed, or we need to restart it for some reason). 118 final boolean pushOnly = Mailbox.isPushOnlyExtras(extras); 119 120 if (pushOnly) { 121 LogUtils.d(TAG, "onPerformSync email: mailbox push only"); 122 if (mEasService != null) { 123 try { 124 mEasService.pushModify(emailAccount.mId); 125 return; 126 } catch (final RemoteException re) { 127 LogUtils.e(TAG, re, "While trying to pushModify within onPerformSync"); 128 // TODO: how to handle this? 129 } 130 } 131 return; 132 } else { 133 try { 134 final int result = mEasService.sync(emailAccount.mId, extras); 135 writeResultToSyncResult(result, syncResult); 136 if (syncResult.stats.numAuthExceptions > 0 && 137 result != EmailServiceStatus.PROVISIONING_ERROR) { 138 showAuthNotification(emailAccount.mId, emailAccount.mEmailAddress); 139 } 140 } catch (RemoteException e) { 141 LogUtils.e(TAG, e, "While trying to pushModify within onPerformSync"); 142 } 143 } 144 145 LogUtils.d(TAG, "onPerformSync contacts: finished"); 146 } 147 } 148 hasDirtyRows(ContentResolver resolver, Uri uri, String dirtyColumn)149 private static boolean hasDirtyRows(ContentResolver resolver, Uri uri, String dirtyColumn) { 150 Cursor c = resolver.query(uri, EmailContent.ID_PROJECTION, dirtyColumn + "=1", null, null); 151 if (c == null) { 152 return false; 153 } 154 try { 155 return c.getCount() > 0; 156 } finally { 157 c.close(); 158 } 159 } 160 } 161