157 lines
6.2 KiB
Java
157 lines
6.2 KiB
Java
/*
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* Copyright (C) 2009 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.AccountManagerTypes;
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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.net.Uri;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.provider.ContactsContract.Groups;
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import android.provider.ContactsContract.RawContacts;
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import android.util.Log;
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public class ContactsSyncAdapterService extends Service {
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private static final String TAG = "EAS ContactsSyncAdapterService";
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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[] ID_PROJECTION = new String[] {"_id"};
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private static final String ACCOUNT_AND_TYPE_CONTACTS =
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MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + '=' + Mailbox.TYPE_CONTACTS;
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public ContactsSyncAdapterService() {
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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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ContactsSyncAdapterService.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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private static boolean hasDirtyRows(ContentResolver resolver, Uri uri, String dirtyColumn) {
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Cursor c = resolver.query(uri, ID_PROJECTION, dirtyColumn + "=1", null, null);
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try {
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return c.getCount() > 0;
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} finally {
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c.close();
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}
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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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* contacts 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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// If we've been asked to do an upload, make sure we've got work to do
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if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD)) {
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Uri uri = RawContacts.CONTENT_URI.buildUpon()
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.appendQueryParameter(RawContacts.ACCOUNT_NAME, account.name)
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.appendQueryParameter(RawContacts.ACCOUNT_TYPE,
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AccountManagerTypes.TYPE_EXCHANGE)
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.build();
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// See if we've got dirty contacts or dirty groups containing our contacts
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boolean changed = hasDirtyRows(cr, uri, RawContacts.DIRTY);
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if (!changed) {
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uri = Groups.CONTENT_URI.buildUpon()
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.appendQueryParameter(RawContacts.ACCOUNT_NAME, account.name)
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.appendQueryParameter(RawContacts.ACCOUNT_TYPE,
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AccountManagerTypes.TYPE_EXCHANGE)
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.build();
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changed = hasDirtyRows(cr, uri, Groups.DIRTY);
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}
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if (!changed) {
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Log.i(TAG, "Upload sync; no changes");
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return;
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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, ID_PROJECTION,
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AccountColumns.EMAIL_ADDRESS + "=?", 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 contacts mailbox associated with the account
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Cursor mailboxCursor = cr.query(Mailbox.CONTENT_URI, ID_PROJECTION,
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ACCOUNT_AND_TYPE_CONTACTS, new String[] {Long.toString(accountId)}, null);
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try {
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if (mailboxCursor.moveToFirst()) {
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Log.i(TAG, "Contact sync requested for " + account.name);
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// Ask for a sync from our sync manager
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ExchangeService.serviceRequest(mailboxCursor.getLong(0),
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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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} |