replicant-packages_apps_Email/src/com/android/email/service/Pop3SyncAdapterService.java

227 lines
9.7 KiB
Java

/*
* 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.accounts.OperationCanceledException;
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 android.util.Log;
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.Mailbox;
import com.android.emailcommon.service.EmailServiceProxy;
import java.util.ArrayList;
public class Pop3SyncAdapterService extends Service {
private static final String TAG = "Pop3SyncAdapterService";
private static SyncAdapterImpl sSyncAdapter = null;
private static final Object sSyncAdapterLock = new Object();
public Pop3SyncAdapterService() {
super();
}
private static class SyncAdapterImpl extends AbstractThreadedSyncAdapter {
private Context mContext;
public SyncAdapterImpl(Context context) {
super(context, true /* autoInitialize */);
mContext = context;
}
@Override
public void onPerformSync(android.accounts.Account account, Bundle extras,
String authority, ContentProviderClient provider, SyncResult syncResult) {
try {
Pop3SyncAdapterService.performSync(mContext, account, extras,
authority, provider, syncResult);
} catch (OperationCanceledException e) {
}
}
}
@Override
public void onCreate() {
super.onCreate();
synchronized (sSyncAdapterLock) {
if (sSyncAdapter == null) {
sSyncAdapter = new SyncAdapterImpl(getApplicationContext());
}
}
}
@Override
public IBinder onBind(Intent intent) {
return sSyncAdapter.getSyncAdapterBinder();
}
private static void sync(Context context, long mailboxId, SyncResult syncResult,
boolean uiRefresh) {
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();
if ((mailbox.mType != Mailbox.TYPE_OUTBOX) && (mailbox.mType != Mailbox.TYPE_INBOX)) {
// 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, Message.MAILBOX_KEY + "=?",
new String[] {Long.toString(mailbox.mId)});
return;
}
Log.d(TAG, "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 {
if (mailbox.mType == Mailbox.TYPE_OUTBOX) {
EmailServiceStub.sendMailImpl(context, account.mId);
} else {
Pop3Service.synchronizeMailboxSynchronous(context, account, mailbox);
}
} catch (MessagingException e) {
int cause = e.getExceptionType();
switch(cause) {
case MessagingException.IOERROR:
syncResult.stats.numIoExceptions++;
break;
case MessagingException.AUTHENTICATION_FAILED:
syncResult.stats.numAuthExceptions++;
break;
}
}
} finally {
// Always clear our sync state
values.put(Mailbox.UI_SYNC_STATUS, EmailContent.SYNC_STATUS_NONE);
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, String authority, ContentProviderClient provider, SyncResult syncResult)
throws OperationCanceledException {
// 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)) {
Log.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[] {Message.MAILBOX_KEY},
Message.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, syncResult, false);
}
} else {
Log.d(TAG, "Sync request for " + acct.mDisplayName);
Log.d(TAG, extras.toString());
long mailboxId = extras.getLong(EmailServiceStub.SYNC_EXTRA_MAILBOX_ID,
Mailbox.NO_MAILBOX);
boolean isInbox = false;
if (mailboxId == Mailbox.NO_MAILBOX) {
mailboxId = Mailbox.findMailboxOfType(context, acct.mId,
Mailbox.TYPE_INBOX);
if (mailboxId == Mailbox.NO_MAILBOX) {
// Update folders?
EmailServiceProxy service =
EmailServiceUtils.getServiceForAccount(context, null, acct.mId);
service.updateFolderList(acct.mId);
}
isInbox = true;
}
if (mailboxId == Mailbox.NO_MAILBOX) return;
boolean uiRefresh =
extras.getBoolean(ContentResolver.SYNC_EXTRAS_FORCE, false);
sync(context, mailboxId, syncResult, uiRefresh);
// Outbox is a special case here
Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId);
if (mailbox.mType == Mailbox.TYPE_OUTBOX) {
return;
}
// Convert from minutes to seconds
int syncFrequency = acct.mSyncInterval * 60;
// Values < 0 are for "never" or "push"; 0 is undefined
if (syncFrequency <= 0) return;
Bundle ex = new Bundle();
if (!isInbox) {
ex.putLong(EmailServiceStub.SYNC_EXTRA_MAILBOX_ID, mailboxId);
}
Log.d(TAG, "Setting periodic sync for " + acct.mDisplayName + ": " +
syncFrequency + " seconds");
ContentResolver.addPeriodicSync(account, authority, ex, syncFrequency);
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (c != null) {
c.close();
}
}
}
}