152 lines
6.0 KiB
Java
152 lines
6.0 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.exchange;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.emailcommon.provider.EmailContent.AccountColumns;
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import com.android.emailcommon.provider.EmailContent.Mailbox;
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import com.android.emailcommon.provider.EmailContent.MailboxColumns;
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import android.accounts.Account;
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import android.accounts.OperationCanceledException;
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import android.app.Service;
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import android.content.AbstractThreadedSyncAdapter;
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import android.content.ContentProviderClient;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SyncResult;
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import android.database.Cursor;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.provider.Calendar.Events;
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import android.util.Log;
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public class CalendarSyncAdapterService extends Service {
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private static final String TAG = "EAS CalendarSyncAdapterService";
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private static SyncAdapterImpl sSyncAdapter = null;
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private static final Object sSyncAdapterLock = new Object();
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private static final String ACCOUNT_AND_TYPE_CALENDAR =
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MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + '=' + Mailbox.TYPE_CALENDAR;
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private static final String DIRTY_IN_ACCOUNT =
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Events._SYNC_DIRTY + "=1 AND " + Events._SYNC_ACCOUNT + "=?";
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private static final String[] ID_SYNC_KEY_PROJECTION =
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new String[] {MailboxColumns.ID, MailboxColumns.SYNC_KEY};
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private static final int ID_SYNC_KEY_MAILBOX_ID = 0;
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private static final int ID_SYNC_KEY_SYNC_KEY = 1;
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public CalendarSyncAdapterService() {
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super();
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}
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private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter {
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private Context mContext;
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public SyncAdapterImpl(Context context) {
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super(context, true /* autoInitialize */);
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mContext = context;
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}
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@Override
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public void onPerformSync(Account account, Bundle extras,
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String authority, ContentProviderClient provider, SyncResult syncResult) {
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try {
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CalendarSyncAdapterService.performSync(mContext, account, extras,
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authority, provider, syncResult);
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} catch (OperationCanceledException e) {
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}
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}
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}
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@Override
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public void onCreate() {
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super.onCreate();
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synchronized (sSyncAdapterLock) {
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if (sSyncAdapter == null) {
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sSyncAdapter = new SyncAdapterImpl(getApplicationContext());
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}
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}
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}
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@Override
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public IBinder onBind(Intent intent) {
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return sSyncAdapter.getSyncAdapterBinder();
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}
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/**
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* Partial integration with system SyncManager; we tell our EAS ExchangeService to start a
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* calendar sync when we get the signal from SyncManager.
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* The missing piece at this point is integration with the push/ping mechanism in EAS; this will
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* be put in place at a later time.
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*/
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private static void performSync(Context context, Account account, Bundle extras,
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String authority, ContentProviderClient provider, SyncResult syncResult)
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throws OperationCanceledException {
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ContentResolver cr = context.getContentResolver();
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boolean logging = Eas.USER_LOG;
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if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD)) {
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Cursor c = cr.query(Events.CONTENT_URI,
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new String[] {Events._ID}, DIRTY_IN_ACCOUNT, new String[] {account.name}, null);
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try {
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if (!c.moveToFirst()) {
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if (logging) {
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Log.d(TAG, "No changes for " + account.name);
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}
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return;
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}
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} finally {
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c.close();
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}
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}
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// Find the (EmailProvider) account associated with this email address
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Cursor accountCursor =
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cr.query(EmailContent.Account.CONTENT_URI,
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EmailContent.ID_PROJECTION, AccountColumns.EMAIL_ADDRESS + "=?",
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new String[] {account.name}, null);
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try {
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if (accountCursor.moveToFirst()) {
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long accountId = accountCursor.getLong(0);
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// Now, find the calendar mailbox associated with the account
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Cursor mailboxCursor = cr.query(Mailbox.CONTENT_URI, ID_SYNC_KEY_PROJECTION,
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ACCOUNT_AND_TYPE_CALENDAR, new String[] {Long.toString(accountId)}, null);
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try {
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if (mailboxCursor.moveToFirst()) {
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if (logging) {
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Log.d(TAG, "Upload sync requested for " + account.name);
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}
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String syncKey = mailboxCursor.getString(ID_SYNC_KEY_SYNC_KEY);
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if ((syncKey == null) || (syncKey.equals("0"))) {
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if (logging) {
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Log.d(TAG, "Can't sync; mailbox in initial state");
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}
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return;
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}
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// Ask for a sync from our sync manager
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ExchangeService.serviceRequest(mailboxCursor.getLong(
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ID_SYNC_KEY_MAILBOX_ID), ExchangeService.SYNC_UPSYNC);
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}
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} finally {
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mailboxCursor.close();
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}
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}
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} finally {
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accountCursor.close();
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}
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}
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} |