diff options
Diffstat (limited to 'provider_src/com/android/email/service/PopImapSyncAdapterService.java')
| -rw-r--r-- | provider_src/com/android/email/service/PopImapSyncAdapterService.java | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/provider_src/com/android/email/service/PopImapSyncAdapterService.java b/provider_src/com/android/email/service/PopImapSyncAdapterService.java new file mode 100644 index 000000000..4fae4d0a9 --- /dev/null +++ b/provider_src/com/android/email/service/PopImapSyncAdapterService.java @@ -0,0 +1,261 @@ +/* + * 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(); + } + } + } +} |