replicant-packages_apps_Email/provider_src/com/android/email/service/PopImapSyncAdapterService.java

262 lines
12 KiB
Java
Raw Normal View History

/*
* 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.email.service;
import android.app.Service;
import android.content.AbstractThreadedSyncAdapter;
import android.content.ContentProviderClient;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.SyncResult;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import com.android.email.R;
import com.android.emailcommon.TempDirectory;
import com.android.emailcommon.mail.MessagingException;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.EmailContent;
import com.android.emailcommon.provider.EmailContent.AccountColumns;
import com.android.emailcommon.provider.EmailContent.Message;
import com.android.emailcommon.provider.EmailContent.MessageColumns;
import com.android.emailcommon.provider.Mailbox;
import com.android.emailcommon.service.EmailServiceProxy;
import com.android.emailcommon.service.EmailServiceStatus;
import com.android.mail.providers.UIProvider;
import com.android.mail.utils.LogUtils;
import java.util.ArrayList;
public class PopImapSyncAdapterService extends Service {
private static final String TAG = "PopImapSyncService";
private SyncAdapterImpl mSyncAdapter = null;
public PopImapSyncAdapterService() {
super();
}
private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter {
public SyncAdapterImpl(Context context) {
super(context, true /* autoInitialize */);
}
@Override
public void onPerformSync(android.accounts.Account account, Bundle extras,
String authority, ContentProviderClient provider, SyncResult syncResult) {
PopImapSyncAdapterService.performSync(getContext(), account, extras, provider,
syncResult);
}
}
@Override
public void onCreate() {
super.onCreate();
mSyncAdapter = new SyncAdapterImpl(getApplicationContext());
}
@Override
public IBinder onBind(Intent intent) {
return mSyncAdapter.getSyncAdapterBinder();
}
/**
* @return whether or not this mailbox retrieves its data from the server (as opposed to just
* a local mailbox that is never synced).
*/
private static boolean loadsFromServer(Context context, Mailbox m, String protocol) {
String legacyImapProtocol = context.getString(R.string.protocol_legacy_imap);
String pop3Protocol = context.getString(R.string.protocol_pop3);
if (legacyImapProtocol.equals(protocol)) {
// TODO: actually use a sync flag when creating the mailboxes. Right now we use an
// approximation for IMAP.
return m.mType != Mailbox.TYPE_DRAFTS
&& m.mType != Mailbox.TYPE_OUTBOX
&& m.mType != Mailbox.TYPE_SEARCH;
} else if (pop3Protocol.equals(protocol)) {
return Mailbox.TYPE_INBOX == m.mType;
}
return false;
}
private static void sync(final Context context, final long mailboxId,
final Bundle extras, final SyncResult syncResult, final boolean uiRefresh,
final int deltaMessageCount) {
TempDirectory.setTempDirectory(context);
Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId);
if (mailbox == null) return;
Account account = Account.restoreAccountWithId(context, mailbox.mAccountKey);
if (account == null) return;
ContentResolver resolver = context.getContentResolver();
String protocol = account.getProtocol(context);
if ((mailbox.mType != Mailbox.TYPE_OUTBOX) &&
!loadsFromServer(context, mailbox, protocol)) {
// This is an update to a message in a non-syncing mailbox; delete this from the
// updates table and return
resolver.delete(Message.UPDATED_CONTENT_URI, MessageColumns.MAILBOX_KEY + "=?",
new String[] {Long.toString(mailbox.mId)});
return;
}
LogUtils.d(TAG, "About to sync mailbox: " + mailbox.mDisplayName);
Uri mailboxUri = ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailboxId);
ContentValues values = new ContentValues();
// Set mailbox sync state
values.put(Mailbox.UI_SYNC_STATUS,
uiRefresh ? EmailContent.SYNC_STATUS_USER : EmailContent.SYNC_STATUS_BACKGROUND);
resolver.update(mailboxUri, values, null, null);
try {
try {
String legacyImapProtocol = context.getString(R.string.protocol_legacy_imap);
if (mailbox.mType == Mailbox.TYPE_OUTBOX) {
EmailServiceStub.sendMailImpl(context, account.mId);
} else {
EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId,
EmailServiceStatus.IN_PROGRESS, 0, UIProvider.LastSyncResult.SUCCESS);
final int status;
if (protocol.equals(legacyImapProtocol)) {
status = ImapService.synchronizeMailboxSynchronous(context, account,
mailbox, deltaMessageCount != 0, uiRefresh);
} else {
status = Pop3Service.synchronizeMailboxSynchronous(context, account,
mailbox, deltaMessageCount);
}
EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, status, 0,
UIProvider.LastSyncResult.SUCCESS);
}
} catch (MessagingException e) {
final int type = e.getExceptionType();
// type must be translated into the domain of values used by EmailServiceStatus
switch(type) {
case MessagingException.IOERROR:
EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, type, 0,
UIProvider.LastSyncResult.CONNECTION_ERROR);
syncResult.stats.numIoExceptions++;
break;
case MessagingException.AUTHENTICATION_FAILED:
EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, type, 0,
UIProvider.LastSyncResult.AUTH_ERROR);
syncResult.stats.numAuthExceptions++;
break;
case MessagingException.SERVER_ERROR:
EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, type, 0,
UIProvider.LastSyncResult.SERVER_ERROR);
break;
default:
EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, type, 0,
UIProvider.LastSyncResult.INTERNAL_ERROR);
}
}
} finally {
// Always clear our sync state and update sync time.
values.put(Mailbox.UI_SYNC_STATUS, EmailContent.SYNC_STATUS_NONE);
values.put(Mailbox.SYNC_TIME, System.currentTimeMillis());
resolver.update(mailboxUri, values, null, null);
}
}
/**
* Partial integration with system SyncManager; we initiate manual syncs upon request
*/
private static void performSync(Context context, android.accounts.Account account,
Bundle extras, ContentProviderClient provider, SyncResult syncResult) {
// Find an EmailProvider account with the Account's email address
Cursor c = null;
try {
c = provider.query(com.android.emailcommon.provider.Account.CONTENT_URI,
Account.CONTENT_PROJECTION, AccountColumns.EMAIL_ADDRESS + "=?",
new String[] {account.name}, null);
if (c != null && c.moveToNext()) {
Account acct = new Account();
acct.restore(c);
if (extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD)) {
LogUtils.d(TAG, "Upload sync request for " + acct.mDisplayName);
// See if any boxes have mail...
ArrayList<Long> mailboxesToUpdate;
Cursor updatesCursor = provider.query(Message.UPDATED_CONTENT_URI,
new String[] {MessageColumns.MAILBOX_KEY},
MessageColumns.ACCOUNT_KEY + "=?",
new String[] {Long.toString(acct.mId)},
null);
try {
if ((updatesCursor == null) || (updatesCursor.getCount() == 0)) return;
mailboxesToUpdate = new ArrayList<Long>();
while (updatesCursor.moveToNext()) {
Long mailboxId = updatesCursor.getLong(0);
if (!mailboxesToUpdate.contains(mailboxId)) {
mailboxesToUpdate.add(mailboxId);
}
}
} finally {
if (updatesCursor != null) {
updatesCursor.close();
}
}
for (long mailboxId: mailboxesToUpdate) {
sync(context, mailboxId, extras, syncResult, false, 0);
}
} else {
LogUtils.d(TAG, "Sync request for " + acct.mDisplayName);
LogUtils.d(TAG, extras.toString());
// We update our folder structure on every sync.
final EmailServiceProxy service =
EmailServiceUtils.getServiceForAccount(context, acct.mId);
service.updateFolderList(acct.mId);
// Get the id for the mailbox we want to sync.
long [] mailboxIds = Mailbox.getMailboxIdsFromBundle(extras);
if (mailboxIds == null || mailboxIds.length == 0) {
// No mailbox specified, just sync the inbox.
// TODO: IMAP may eventually want to allow multiple auto-sync mailboxes.
final long inboxId = Mailbox.findMailboxOfType(context, acct.mId,
Mailbox.TYPE_INBOX);
if (inboxId != Mailbox.NO_MAILBOX) {
mailboxIds = new long[1];
mailboxIds[0] = inboxId;
}
}
if (mailboxIds != null) {
boolean uiRefresh =
extras.getBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, false);
int deltaMessageCount =
extras.getInt(Mailbox.SYNC_EXTRA_DELTA_MESSAGE_COUNT, 0);
for (long mailboxId : mailboxIds) {
sync(context, mailboxId, extras, syncResult, uiRefresh,
deltaMessageCount);
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (c != null) {
c.close();
}
}
}
}