| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.exchange.service; |
| |
| import android.accounts.Account; |
| import android.content.AbstractThreadedSyncAdapter; |
| import android.content.ContentProviderClient; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.SyncResult; |
| import android.database.Cursor; |
| import android.os.Bundle; |
| import android.provider.CalendarContract.Events; |
| import android.util.Log; |
| |
| import com.android.emailcommon.provider.EmailContent; |
| import com.android.emailcommon.provider.EmailContent.MailboxColumns; |
| import com.android.emailcommon.provider.Mailbox; |
| import com.android.exchange.Eas; |
| import com.android.mail.utils.LogUtils; |
| |
| public class CalendarSyncAdapterService extends AbstractSyncAdapterService { |
| private static final String TAG = Eas.LOG_TAG; |
| private static final String ACCOUNT_AND_TYPE_CALENDAR = |
| MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + '=' + Mailbox.TYPE_CALENDAR; |
| private static final String DIRTY_IN_ACCOUNT = |
| Events.DIRTY + "=1 AND " + Events.ACCOUNT_NAME + "=?"; |
| |
| private static final Object sSyncAdapterLock = new Object(); |
| private static AbstractThreadedSyncAdapter sSyncAdapter = null; |
| |
| public CalendarSyncAdapterService() { |
| super(); |
| } |
| |
| @Override |
| protected AbstractThreadedSyncAdapter getSyncAdapter() { |
| synchronized (sSyncAdapterLock) { |
| if (sSyncAdapter == null) { |
| sSyncAdapter = new SyncAdapterImpl(this); |
| } |
| return sSyncAdapter; |
| } |
| } |
| |
| private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter { |
| public SyncAdapterImpl(Context context) { |
| super(context, true /* autoInitialize */); |
| } |
| |
| @Override |
| public void onPerformSync(Account account, Bundle extras, |
| String authority, ContentProviderClient provider, SyncResult syncResult) { |
| if (LogUtils.isLoggable(TAG, Log.DEBUG)) { |
| LogUtils.d(TAG, "onPerformSync Calendar starting %s, %s", account.toString(), |
| extras.toString()); |
| } else { |
| LogUtils.i(TAG, "onPerformSync Calendar starting %s", extras.toString()); |
| } |
| CalendarSyncAdapterService.performSync(getContext(), account, extras); |
| LogUtils.d(TAG, "onPerformSync Calendar finished"); |
| } |
| } |
| |
| /** |
| * Partial integration with system SyncManager; we tell our EAS ExchangeService to start a |
| * calendar sync when we get the signal from SyncManager. |
| * The missing piece at this point is integration with the push/ping mechanism in EAS; this will |
| * be put in place at a later time. |
| */ |
| private static void performSync(Context context, Account account, Bundle extras) { |
| if (extras.getBoolean(Mailbox.SYNC_EXTRA_NOOP, false)) { |
| LogUtils.d(TAG, "No-op sync requested, done"); |
| return; |
| } |
| |
| final ContentResolver cr = context.getContentResolver(); |
| final boolean logging = Eas.USER_LOG; |
| if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD)) { |
| final Cursor c = cr.query(Events.CONTENT_URI, |
| new String[] {Events._ID}, DIRTY_IN_ACCOUNT, new String[] {account.name}, null); |
| if (c == null) { |
| LogUtils.e(TAG, "Null changes cursor in CalendarSyncAdapterService"); |
| return; |
| } |
| try { |
| if (!c.moveToFirst()) { |
| if (logging) { |
| LogUtils.d(TAG, "No changes for " + account.name); |
| } |
| return; |
| } |
| } finally { |
| c.close(); |
| } |
| } |
| |
| // Forward the sync request to the EmailSyncAdapterService. |
| final long [] mailboxIds = Mailbox.getMailboxIdsFromBundle(extras); |
| final Bundle mailExtras; |
| if (mailboxIds == null) { |
| // We weren't given any particular mailboxId, specify a sync for all calendars. |
| mailExtras = new Bundle(); |
| mailExtras.putInt(Mailbox.SYNC_EXTRA_MAILBOX_TYPE, Mailbox.TYPE_CALENDAR); |
| } else { |
| // Otherwise, add all of the mailboxes specified in the original sync extras. |
| mailExtras = Mailbox.createSyncBundle(mailboxIds); |
| } |
| mailExtras.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true); |
| mailExtras.putBoolean(ContentResolver.SYNC_EXTRAS_DO_NOT_RETRY, true); |
| if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, false)) { |
| mailExtras.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true); |
| } |
| ContentResolver.requestSync(account, EmailContent.AUTHORITY, mailExtras); |
| LogUtils.d(TAG, "requestSync CalendarSyncAdapter %s", mailExtras.toString()); |
| } |
| } |