| /* |
| * 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 |
| final int syncStatus = uiRefresh ? EmailContent.SYNC_STATUS_USER : |
| EmailContent.SYNC_STATUS_BACKGROUND; |
| values.put(Mailbox.UI_SYNC_STATUS, syncStatus); |
| resolver.update(mailboxUri, values, null, null); |
| try { |
| int lastSyncResult; |
| try { |
| String legacyImapProtocol = context.getString(R.string.protocol_legacy_imap); |
| if (mailbox.mType == Mailbox.TYPE_OUTBOX) { |
| EmailServiceStub.sendMailImpl(context, account.mId); |
| } else { |
| lastSyncResult = UIProvider.createSyncValue(syncStatus, |
| EmailContent.LAST_SYNC_RESULT_SUCCESS); |
| EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, |
| EmailServiceStatus.IN_PROGRESS, 0, lastSyncResult); |
| 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, |
| lastSyncResult); |
| } |
| } 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: |
| lastSyncResult = UIProvider.createSyncValue(syncStatus, |
| EmailContent.LAST_SYNC_RESULT_CONNECTION_ERROR); |
| EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, |
| EmailServiceStatus.FAILURE, 0, lastSyncResult); |
| syncResult.stats.numIoExceptions++; |
| break; |
| case MessagingException.AUTHENTICATION_FAILED: |
| lastSyncResult = UIProvider.createSyncValue(syncStatus, |
| EmailContent.LAST_SYNC_RESULT_AUTH_ERROR); |
| EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, |
| EmailServiceStatus.FAILURE, 0, lastSyncResult); |
| syncResult.stats.numAuthExceptions++; |
| break; |
| case MessagingException.SERVER_ERROR: |
| lastSyncResult = UIProvider.createSyncValue(syncStatus, |
| EmailContent.LAST_SYNC_RESULT_SERVER_ERROR); |
| EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, |
| EmailServiceStatus.FAILURE, 0, lastSyncResult); |
| break; |
| |
| default: |
| lastSyncResult = UIProvider.createSyncValue(syncStatus, |
| EmailContent.LAST_SYNC_RESULT_INTERNAL_ERROR); |
| EmailServiceStatus.syncMailboxStatus(resolver, extras, mailboxId, |
| EmailServiceStatus.FAILURE, 0, lastSyncResult); |
| } |
| } |
| } 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(); |
| } |
| } |
| } |
| } |