1505 lines
68 KiB
Java
1505 lines
68 KiB
Java
/*
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* Copyright (C) 2012 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.email.service;
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import android.app.Service;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.TrafficStats;
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import android.net.Uri;
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import android.os.IBinder;
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import android.os.RemoteCallbackList;
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import android.os.RemoteException;
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import android.text.TextUtils;
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import com.android.email.LegacyConversions;
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import com.android.email.NotificationController;
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import com.android.email.mail.Store;
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import com.android.email.provider.Utilities;
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import com.android.email2.ui.MailActivityEmail;
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import com.android.emailcommon.Logging;
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import com.android.emailcommon.TrafficFlags;
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import com.android.emailcommon.internet.MimeUtility;
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import com.android.emailcommon.mail.AuthenticationFailedException;
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import com.android.emailcommon.mail.FetchProfile;
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import com.android.emailcommon.mail.Flag;
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import com.android.emailcommon.mail.Folder;
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import com.android.emailcommon.mail.Folder.FolderType;
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import com.android.emailcommon.mail.Folder.MessageRetrievalListener;
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import com.android.emailcommon.mail.Folder.MessageUpdateCallbacks;
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import com.android.emailcommon.mail.Folder.OpenMode;
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import com.android.emailcommon.mail.Message;
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import com.android.emailcommon.mail.MessagingException;
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import com.android.emailcommon.mail.Part;
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import com.android.emailcommon.provider.Account;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.emailcommon.provider.EmailContent.MailboxColumns;
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import com.android.emailcommon.provider.EmailContent.MessageColumns;
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import com.android.emailcommon.provider.EmailContent.SyncColumns;
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import com.android.emailcommon.provider.Mailbox;
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import com.android.emailcommon.service.EmailServiceCallback;
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import com.android.emailcommon.service.EmailServiceStatus;
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import com.android.emailcommon.service.IEmailServiceCallback;
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import com.android.emailcommon.service.SearchParams;
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import com.android.emailcommon.utility.AttachmentUtilities;
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import com.android.mail.providers.UIProvider.AccountCapabilities;
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import com.android.mail.utils.LogUtils;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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public class ImapService extends Service {
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// TODO get these from configurations or settings.
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private static final long DEFAULT_SYNC_WINDOW_MILLIS = 24 * 60 * 60 * 1000;
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private static final int MINIMUM_MESSAGES_TO_SYNC = 10;
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private static final int LOAD_MORE_MIN_INCREMENT = 10;
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private static final int LOAD_MORE_MAX_INCREMENT = 20;
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private static final long INITIAL_WINDOW_SIZE_INCREASE = 24 * 60 * 60 * 1000;
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private static final Flag[] FLAG_LIST_SEEN = new Flag[] { Flag.SEEN };
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private static final Flag[] FLAG_LIST_FLAGGED = new Flag[] { Flag.FLAGGED };
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private static final Flag[] FLAG_LIST_ANSWERED = new Flag[] { Flag.ANSWERED };
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/**
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* Simple cache for last search result mailbox by account and serverId, since the most common
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* case will be repeated use of the same mailbox
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*/
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private static long mLastSearchAccountKey = Account.NO_ACCOUNT;
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private static String mLastSearchServerId = null;
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private static Mailbox mLastSearchRemoteMailbox = null;
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/**
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* Cache search results by account; this allows for "load more" support without having to
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* redo the search (which can be quite slow). SortableMessage is a smallish class, so memory
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* shouldn't be an issue
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*/
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private static final HashMap<Long, SortableMessage[]> sSearchResults =
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new HashMap<Long, SortableMessage[]>();
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/**
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* We write this into the serverId field of messages that will never be upsynced.
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*/
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private static final String LOCAL_SERVERID_PREFIX = "Local-";
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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return Service.START_STICKY;
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}
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// Callbacks as set up via setCallback
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private static final RemoteCallbackList<IEmailServiceCallback> mCallbackList =
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new RemoteCallbackList<IEmailServiceCallback>();
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private static final EmailServiceCallback sCallbackProxy =
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new EmailServiceCallback(mCallbackList);
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/**
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* Create our EmailService implementation here.
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*/
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private final EmailServiceStub mBinder = new EmailServiceStub() {
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@Override
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public void setCallback(IEmailServiceCallback cb) throws RemoteException {
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mCallbackList.register(cb);
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}
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@Override
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public void loadMore(long messageId) throws RemoteException {
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// We don't do "loadMore" for IMAP messages; the sync should handle this
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}
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@Override
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public int searchMessages(long accountId, SearchParams searchParams, long destMailboxId) {
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try {
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return searchMailboxImpl(getApplicationContext(), accountId, searchParams,
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destMailboxId);
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} catch (MessagingException e) {
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}
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return 0;
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}
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@Override
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public int getCapabilities(Account acct) throws RemoteException {
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return AccountCapabilities.SYNCABLE_FOLDERS |
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AccountCapabilities.FOLDER_SERVER_SEARCH |
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AccountCapabilities.UNDO;
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}
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@Override
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public void serviceUpdated(String emailAddress) throws RemoteException {
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// Not needed
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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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mBinder.init(this, sCallbackProxy);
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return mBinder;
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}
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private static void sendMailboxStatus(Mailbox mailbox, int status) {
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sCallbackProxy.syncMailboxStatus(mailbox.mId, status, 0);
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}
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/**
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* Start foreground synchronization of the specified folder. This is called by
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* synchronizeMailbox or checkMail.
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* TODO this should use ID's instead of fully-restored objects
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* @param account
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* @param folder
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* @param deltaMessageCount requested change in number of messages to sync
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* @throws MessagingException
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*/
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public static void synchronizeMailboxSynchronous(Context context, final Account account,
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final Mailbox folder, final boolean loadMore) throws MessagingException {
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sendMailboxStatus(folder, EmailServiceStatus.IN_PROGRESS);
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TrafficStats.setThreadStatsTag(TrafficFlags.getSyncFlags(context, account));
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if ((folder.mFlags & Mailbox.FLAG_HOLDS_MAIL) == 0) {
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sendMailboxStatus(folder, EmailServiceStatus.SUCCESS);
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}
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NotificationController nc = NotificationController.getInstance(context);
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try {
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processPendingActionsSynchronous(context, account);
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synchronizeMailboxGeneric(context, account, folder, loadMore);
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// Clear authentication notification for this account
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nc.cancelLoginFailedNotification(account.mId);
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sendMailboxStatus(folder, EmailServiceStatus.SUCCESS);
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} catch (MessagingException e) {
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if (Logging.LOGD) {
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LogUtils.v(Logging.LOG_TAG, "synchronizeMailboxSynchronous", e);
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}
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if (e instanceof AuthenticationFailedException) {
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// Generate authentication notification
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nc.showLoginFailedNotification(account.mId);
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}
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sendMailboxStatus(folder, e.getExceptionType());
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throw e;
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}
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}
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/**
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* Lightweight record for the first pass of message sync, where I'm just seeing if
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* the local message requires sync. Later (for messages that need syncing) we'll do a full
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* readout from the DB.
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*/
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private static class LocalMessageInfo {
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private static final int COLUMN_ID = 0;
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private static final int COLUMN_FLAG_READ = 1;
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private static final int COLUMN_FLAG_FAVORITE = 2;
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private static final int COLUMN_FLAG_LOADED = 3;
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private static final int COLUMN_SERVER_ID = 4;
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private static final int COLUMN_FLAGS = 7;
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private static final String[] PROJECTION = new String[] {
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EmailContent.RECORD_ID,
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MessageColumns.FLAG_READ, MessageColumns.FLAG_FAVORITE, MessageColumns.FLAG_LOADED,
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SyncColumns.SERVER_ID, MessageColumns.MAILBOX_KEY, MessageColumns.ACCOUNT_KEY,
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MessageColumns.FLAGS
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};
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final long mId;
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final boolean mFlagRead;
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final boolean mFlagFavorite;
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final int mFlagLoaded;
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final String mServerId;
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final int mFlags;
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public LocalMessageInfo(Cursor c) {
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mId = c.getLong(COLUMN_ID);
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mFlagRead = c.getInt(COLUMN_FLAG_READ) != 0;
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mFlagFavorite = c.getInt(COLUMN_FLAG_FAVORITE) != 0;
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mFlagLoaded = c.getInt(COLUMN_FLAG_LOADED);
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mServerId = c.getString(COLUMN_SERVER_ID);
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mFlags = c.getInt(COLUMN_FLAGS);
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// Note: mailbox key and account key not needed - they are projected for the SELECT
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}
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}
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private static class OldestTimestampInfo {
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private static final int COLUMN_OLDEST_TIMESTAMP = 0;
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private static final String[] PROJECTION = new String[] {
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"MIN(" + MessageColumns.TIMESTAMP + ")"
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};
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}
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/**
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* Load the structure and body of messages not yet synced
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* @param account the account we're syncing
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* @param remoteFolder the (open) Folder we're working on
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* @param unsyncedMessages an array of Message's we've got headers for
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* @param toMailbox the destination mailbox we're syncing
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* @throws MessagingException
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*/
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static void loadUnsyncedMessages(final Context context, final Account account,
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Folder remoteFolder, ArrayList<Message> messages, final Mailbox toMailbox)
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throws MessagingException {
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FetchProfile fp = new FetchProfile();
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fp.add(FetchProfile.Item.STRUCTURE);
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remoteFolder.fetch(messages.toArray(new Message[messages.size()]), fp, null);
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for (Message message : messages) {
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// Build a list of parts we are interested in. Text parts will be downloaded
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// right now, attachments will be left for later.
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ArrayList<Part> viewables = new ArrayList<Part>();
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ArrayList<Part> attachments = new ArrayList<Part>();
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MimeUtility.collectParts(message, viewables, attachments);
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// Download the viewables immediately
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for (Part part : viewables) {
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fp.clear();
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fp.add(part);
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remoteFolder.fetch(new Message[] { message }, fp, null);
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}
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// Store the updated message locally and mark it fully loaded
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Utilities.copyOneMessageToProvider(context, message, account, toMailbox,
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EmailContent.Message.FLAG_LOADED_COMPLETE);
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}
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}
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public static void downloadFlagAndEnvelope(final Context context, final Account account,
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final Mailbox mailbox, Folder remoteFolder, ArrayList<Message> unsyncedMessages,
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HashMap<String, LocalMessageInfo> localMessageMap, final ArrayList<Long> unseenMessages)
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throws MessagingException {
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FetchProfile fp = new FetchProfile();
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fp.add(FetchProfile.Item.FLAGS);
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fp.add(FetchProfile.Item.ENVELOPE);
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final HashMap<String, LocalMessageInfo> localMapCopy;
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if (localMessageMap != null)
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localMapCopy = new HashMap<String, LocalMessageInfo>(localMessageMap);
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else {
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localMapCopy = new HashMap<String, LocalMessageInfo>();
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}
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remoteFolder.fetch(unsyncedMessages.toArray(new Message[0]), fp,
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new MessageRetrievalListener() {
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@Override
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public void messageRetrieved(Message message) {
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try {
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// Determine if the new message was already known (e.g. partial)
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// And create or reload the full message info
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LocalMessageInfo localMessageInfo =
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localMapCopy.get(message.getUid());
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EmailContent.Message localMessage = null;
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if (localMessageInfo == null) {
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localMessage = new EmailContent.Message();
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} else {
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localMessage = EmailContent.Message.restoreMessageWithId(
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context, localMessageInfo.mId);
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}
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if (localMessage != null) {
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try {
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// Copy the fields that are available into the message
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LegacyConversions.updateMessageFields(localMessage,
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message, account.mId, mailbox.mId);
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// Commit the message to the local store
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Utilities.saveOrUpdate(localMessage, context);
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// Track the "new" ness of the downloaded message
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if (!message.isSet(Flag.SEEN) && unseenMessages != null) {
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unseenMessages.add(localMessage.mId);
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}
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} catch (MessagingException me) {
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LogUtils.e(Logging.LOG_TAG,
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"Error while copying downloaded message." + me);
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}
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}
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}
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catch (Exception e) {
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LogUtils.e(Logging.LOG_TAG,
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"Error while storing downloaded message." + e.toString());
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}
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}
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@Override
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public void loadAttachmentProgress(int progress) {
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}
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});
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}
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/**
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* Synchronizer for IMAP.
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*
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* TODO Break this method up into smaller chunks.
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*
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* @param account the account to sync
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* @param mailbox the mailbox to sync
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* @param deltaMessageCount requested change in number of messages to sync
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* @return results of the sync pass
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* @throws MessagingException
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*/
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private static void synchronizeMailboxGeneric(final Context context, final Account account,
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final Mailbox mailbox, final boolean loadMore) throws MessagingException {
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/*
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* A list of IDs for messages that were downloaded and did not have the seen flag set.
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* This serves as the "true" new message count reported to the user via notification.
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*/
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LogUtils.v(Logging.LOG_TAG, "synchronizeMailboxGeneric " + account + " " + mailbox +
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" " + loadMore);
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final ArrayList<Long> unseenMessages = new ArrayList<Long>();
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ContentResolver resolver = context.getContentResolver();
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// 0. We do not ever sync DRAFTS or OUTBOX (down or up)
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if (mailbox.mType == Mailbox.TYPE_DRAFTS || mailbox.mType == Mailbox.TYPE_OUTBOX) {
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return;
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}
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// 1. Get the message list from the local store and create an index of the uids
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Cursor localUidCursor = null;
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HashMap<String, LocalMessageInfo> localMessageMap = new HashMap<String, LocalMessageInfo>();
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try {
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localUidCursor = resolver.query(
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EmailContent.Message.CONTENT_URI,
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LocalMessageInfo.PROJECTION,
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EmailContent.MessageColumns.ACCOUNT_KEY + "=?" +
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" AND " + MessageColumns.MAILBOX_KEY + "=?",
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new String[] {
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String.valueOf(account.mId),
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String.valueOf(mailbox.mId)
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},
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null);
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while (localUidCursor.moveToNext()) {
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LocalMessageInfo info = new LocalMessageInfo(localUidCursor);
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// If the message has no server id, it's local only. This should only happen for
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// mail created on the client that has failed to upsync. We want to ignore such
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// mail during synchronization (i.e. leave it as-is and let the next sync try again
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// to upsync).
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if (!TextUtils.isEmpty(info.mServerId)) {
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localMessageMap.put(info.mServerId, info);
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}
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}
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} finally {
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if (localUidCursor != null) {
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localUidCursor.close();
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}
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}
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// 2. Open the remote folder and create the remote folder if necessary
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Store remoteStore = Store.getInstance(account, context);
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// The account might have been deleted
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if (remoteStore == null) return;
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final Folder remoteFolder = remoteStore.getFolder(mailbox.mServerId);
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/*
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* If the folder is a "special" folder we need to see if it exists
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* on the remote server. It if does not exist we'll try to create it. If we
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* can't create we'll abort. This will happen on every single Pop3 folder as
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* designed and on Imap folders during error conditions. This allows us
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* to treat Pop3 and Imap the same in this code.
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*/
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if (mailbox.mType == Mailbox.TYPE_TRASH || mailbox.mType == Mailbox.TYPE_SENT) {
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if (!remoteFolder.exists()) {
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if (!remoteFolder.create(FolderType.HOLDS_MESSAGES)) {
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return;
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}
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}
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}
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// 3, Open the remote folder. This pre-loads certain metadata like message count.
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remoteFolder.open(OpenMode.READ_WRITE);
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// 4. Trash any remote messages that are marked as trashed locally.
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// TODO - this comment was here, but no code was here.
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// 5. Get the number of messages on the server.
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final int remoteMessageCount = remoteFolder.getMessageCount();
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// 6. Save folder message count that we got earlier.
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mailbox.updateMessageCount(context, remoteMessageCount);
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// 7. Figure out how big our sync window should be.
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long startDate = System.currentTimeMillis();
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long endDate = startDate - DEFAULT_SYNC_WINDOW_MILLIS;
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LogUtils.d(Logging.LOG_TAG, "original window " + startDate + " - " + endDate);
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Cursor localOldestCursor = null;
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try {
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localOldestCursor = resolver.query(
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EmailContent.Message.CONTENT_URI,
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OldestTimestampInfo.PROJECTION,
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EmailContent.MessageColumns.ACCOUNT_KEY + "=?" +
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" AND " + MessageColumns.MAILBOX_KEY + "=?",
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new String[] {
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String.valueOf(account.mId),
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String.valueOf(mailbox.mId)
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},
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null);
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if (localOldestCursor != null && localOldestCursor.moveToFirst()) {
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long oldestLocalMessageDate = localOldestCursor.getLong(
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OldestTimestampInfo.COLUMN_OLDEST_TIMESTAMP);
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if (oldestLocalMessageDate > 0) {
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endDate = Math.min(endDate, oldestLocalMessageDate);
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LogUtils.d(Logging.LOG_TAG, "oldest local message " + oldestLocalMessageDate);
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}
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}
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} finally {
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if (localOldestCursor != null) {
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localOldestCursor.close();
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}
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}
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// Get all messages in our query date range:
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LogUtils.d(Logging.LOG_TAG, "loading range " + startDate + " - " + endDate);
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Message[] remoteMessages;
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remoteMessages = remoteFolder.getMessages(startDate, endDate, null);
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// See if we need any additional messages beyond our date query range results.
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// If we do, keep increasing the size of our query window until we have
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// enough, or until we have all messages in the mailbox.
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LogUtils.d(Logging.LOG_TAG, "received " + remoteMessages.length + " messages");
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int totalCountNeeded = Math.max(remoteMessages.length, MINIMUM_MESSAGES_TO_SYNC);
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if (loadMore) {
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totalCountNeeded += LOAD_MORE_MIN_INCREMENT;
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}
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totalCountNeeded = Math.min(remoteMessageCount, totalCountNeeded);
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LogUtils.d(Logging.LOG_TAG, "need " + totalCountNeeded + " total");
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|
|
final int additionalMessagesNeeded = totalCountNeeded - remoteMessages.length;
|
|
if (additionalMessagesNeeded > 0) {
|
|
LogUtils.d(Logging.LOG_TAG, "trying to get " + additionalMessagesNeeded + " more");
|
|
startDate = endDate - 1;
|
|
Message[] additionalMessages = new Message[0];
|
|
long windowIncreaseSize = INITIAL_WINDOW_SIZE_INCREASE;
|
|
while (additionalMessages.length < additionalMessagesNeeded) {
|
|
endDate = endDate - windowIncreaseSize;
|
|
LogUtils.d(Logging.LOG_TAG, "requesting additional messages from range " +
|
|
startDate + " - " + endDate);
|
|
additionalMessages = remoteFolder.getMessages(startDate, endDate, null);
|
|
|
|
// If don't get enough messages with the first window size expansion,
|
|
// we need to accelerate rate at which the window expands. Otherwise,
|
|
// if there were no messages for several weeks, we'd always end up
|
|
// performing dozens of queries.
|
|
windowIncreaseSize *= 2;
|
|
}
|
|
|
|
LogUtils.d(Logging.LOG_TAG, "additionalMessages " + additionalMessages.length);
|
|
int additionalToKeep = additionalMessages.length;
|
|
if (additionalMessages.length > LOAD_MORE_MAX_INCREMENT) {
|
|
// We have way more additional messages than intended, drop some of them.
|
|
// The last messages are the most recent, so those are the ones we need to keep.
|
|
additionalToKeep = LOAD_MORE_MAX_INCREMENT;
|
|
}
|
|
|
|
// Copy the messages into one array.
|
|
Message[] allMessages = new Message[remoteMessages.length + additionalToKeep];
|
|
System.arraycopy(remoteMessages, 0, allMessages, 0, remoteMessages.length);
|
|
// additionalMessages may have more than we need, only copy the last
|
|
// several. These are the most recent messages in that set because of the
|
|
// way IMAP server returns messages.
|
|
System.arraycopy(additionalMessages, additionalMessages.length - additionalToKeep,
|
|
allMessages, remoteMessages.length, additionalToKeep);
|
|
remoteMessages = allMessages;
|
|
}
|
|
|
|
/*
|
|
* 8. Get a list of the messages that are in the remote list but not on the
|
|
* local store, or messages that are in the local store but failed to download
|
|
* on the last sync. These are the new messages that we will download.
|
|
* Note, we also skip syncing messages which are flagged as "deleted message" sentinels,
|
|
* because they are locally deleted and we don't need or want the old message from
|
|
* the server.
|
|
*/
|
|
final ArrayList<Message> unsyncedMessages = new ArrayList<Message>();
|
|
final HashMap<String, Message> remoteUidMap = new HashMap<String, Message>();
|
|
// Process the messages in the reverse order we received them in. This means that
|
|
// we process the most recent one first, which gives a better user experience.
|
|
for (int i = remoteMessages.length - 1; i >= 0; i--) {
|
|
Message message = remoteMessages[i];
|
|
LogUtils.d(Logging.LOG_TAG, "remote message " + message.getUid());
|
|
remoteUidMap.put(message.getUid(), message);
|
|
|
|
LocalMessageInfo localMessage = localMessageMap.get(message.getUid());
|
|
|
|
// localMessage == null -> message has never been created (not even headers)
|
|
// mFlagLoaded = UNLOADED -> message created, but none of body loaded
|
|
// mFlagLoaded = PARTIAL -> message created, a "sane" amt of body has been loaded
|
|
// mFlagLoaded = COMPLETE -> message body has been completely loaded
|
|
// mFlagLoaded = DELETED -> message has been deleted
|
|
// Only the first two of these are "unsynced", so let's retrieve them
|
|
if (localMessage == null ||
|
|
(localMessage.mFlagLoaded == EmailContent.Message.FLAG_LOADED_UNLOADED) ||
|
|
(localMessage.mFlagLoaded == EmailContent.Message.FLAG_LOADED_PARTIAL)) {
|
|
unsyncedMessages.add(message);
|
|
}
|
|
}
|
|
|
|
// 9. Download basic info about the new/unloaded messages (if any)
|
|
/*
|
|
* Fetch the flags and envelope only of the new messages. This is intended to get us
|
|
* critical data as fast as possible, and then we'll fill in the details.
|
|
*/
|
|
if (unsyncedMessages.size() > 0) {
|
|
downloadFlagAndEnvelope(context, account, mailbox, remoteFolder, unsyncedMessages,
|
|
localMessageMap, unseenMessages);
|
|
}
|
|
|
|
// 10. Refresh the flags for any messages in the local store that we didn't just download.
|
|
FetchProfile fp = new FetchProfile();
|
|
fp.add(FetchProfile.Item.FLAGS);
|
|
remoteFolder.fetch(remoteMessages, fp, null);
|
|
boolean remoteSupportsSeen = false;
|
|
boolean remoteSupportsFlagged = false;
|
|
boolean remoteSupportsAnswered = false;
|
|
for (Flag flag : remoteFolder.getPermanentFlags()) {
|
|
if (flag == Flag.SEEN) {
|
|
remoteSupportsSeen = true;
|
|
}
|
|
if (flag == Flag.FLAGGED) {
|
|
remoteSupportsFlagged = true;
|
|
}
|
|
if (flag == Flag.ANSWERED) {
|
|
remoteSupportsAnswered = true;
|
|
}
|
|
}
|
|
|
|
// 11. Update SEEN/FLAGGED/ANSWERED (star) flags (if supported remotely - e.g. not for POP3)
|
|
if (remoteSupportsSeen || remoteSupportsFlagged || remoteSupportsAnswered) {
|
|
for (Message remoteMessage : remoteMessages) {
|
|
LocalMessageInfo localMessageInfo = localMessageMap.get(remoteMessage.getUid());
|
|
if (localMessageInfo == null) {
|
|
continue;
|
|
}
|
|
boolean localSeen = localMessageInfo.mFlagRead;
|
|
boolean remoteSeen = remoteMessage.isSet(Flag.SEEN);
|
|
boolean newSeen = (remoteSupportsSeen && (remoteSeen != localSeen));
|
|
boolean localFlagged = localMessageInfo.mFlagFavorite;
|
|
boolean remoteFlagged = remoteMessage.isSet(Flag.FLAGGED);
|
|
boolean newFlagged = (remoteSupportsFlagged && (localFlagged != remoteFlagged));
|
|
int localFlags = localMessageInfo.mFlags;
|
|
boolean localAnswered = (localFlags & EmailContent.Message.FLAG_REPLIED_TO) != 0;
|
|
boolean remoteAnswered = remoteMessage.isSet(Flag.ANSWERED);
|
|
boolean newAnswered = (remoteSupportsAnswered && (localAnswered != remoteAnswered));
|
|
if (newSeen || newFlagged || newAnswered) {
|
|
Uri uri = ContentUris.withAppendedId(
|
|
EmailContent.Message.CONTENT_URI, localMessageInfo.mId);
|
|
ContentValues updateValues = new ContentValues();
|
|
updateValues.put(MessageColumns.FLAG_READ, remoteSeen);
|
|
updateValues.put(MessageColumns.FLAG_FAVORITE, remoteFlagged);
|
|
if (remoteAnswered) {
|
|
localFlags |= EmailContent.Message.FLAG_REPLIED_TO;
|
|
} else {
|
|
localFlags &= ~EmailContent.Message.FLAG_REPLIED_TO;
|
|
}
|
|
updateValues.put(MessageColumns.FLAGS, localFlags);
|
|
resolver.update(uri, updateValues, null, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 12. Remove any messages that are in the local store but no longer on the remote store.
|
|
final HashSet<String> localUidsToDelete = new HashSet<String>(localMessageMap.keySet());
|
|
localUidsToDelete.removeAll(remoteUidMap.keySet());
|
|
|
|
for (String uidToDelete : localUidsToDelete) {
|
|
LocalMessageInfo infoToDelete = localMessageMap.get(uidToDelete);
|
|
|
|
// Delete associated data (attachment files)
|
|
// Attachment & Body records are auto-deleted when we delete the Message record
|
|
AttachmentUtilities.deleteAllAttachmentFiles(context, account.mId,
|
|
infoToDelete.mId);
|
|
|
|
// Delete the message itself
|
|
Uri uriToDelete = ContentUris.withAppendedId(
|
|
EmailContent.Message.CONTENT_URI, infoToDelete.mId);
|
|
resolver.delete(uriToDelete, null, null);
|
|
|
|
// Delete extra rows (e.g. synced or deleted)
|
|
Uri syncRowToDelete = ContentUris.withAppendedId(
|
|
EmailContent.Message.UPDATED_CONTENT_URI, infoToDelete.mId);
|
|
resolver.delete(syncRowToDelete, null, null);
|
|
Uri deletERowToDelete = ContentUris.withAppendedId(
|
|
EmailContent.Message.UPDATED_CONTENT_URI, infoToDelete.mId);
|
|
resolver.delete(deletERowToDelete, null, null);
|
|
}
|
|
|
|
loadUnsyncedMessages(context, account, remoteFolder, unsyncedMessages, mailbox);
|
|
|
|
// 13. Clean up and report results
|
|
remoteFolder.close(false);
|
|
}
|
|
|
|
/**
|
|
* Find messages in the updated table that need to be written back to server.
|
|
*
|
|
* Handles:
|
|
* Read/Unread
|
|
* Flagged
|
|
* Append (upload)
|
|
* Move To Trash
|
|
* Empty trash
|
|
* TODO:
|
|
* Move
|
|
*
|
|
* @param account the account to scan for pending actions
|
|
* @throws MessagingException
|
|
*/
|
|
private static void processPendingActionsSynchronous(Context context, Account account)
|
|
throws MessagingException {
|
|
TrafficStats.setThreadStatsTag(TrafficFlags.getSyncFlags(context, account));
|
|
String[] accountIdArgs = new String[] { Long.toString(account.mId) };
|
|
|
|
// Handle deletes first, it's always better to get rid of things first
|
|
processPendingDeletesSynchronous(context, account, accountIdArgs);
|
|
|
|
// Handle uploads (currently, only to sent messages)
|
|
processPendingUploadsSynchronous(context, account, accountIdArgs);
|
|
|
|
// Now handle updates / upsyncs
|
|
processPendingUpdatesSynchronous(context, account, accountIdArgs);
|
|
}
|
|
|
|
/**
|
|
* Get the mailbox corresponding to the remote location of a message; this will normally be
|
|
* the mailbox whose _id is mailboxKey, except for search results, where we must look it up
|
|
* by serverId
|
|
* @param message the message in question
|
|
* @return the mailbox in which the message resides on the server
|
|
*/
|
|
private static Mailbox getRemoteMailboxForMessage(Context context,
|
|
EmailContent.Message message) {
|
|
// If this is a search result, use the protocolSearchInfo field to get the server info
|
|
if (!TextUtils.isEmpty(message.mProtocolSearchInfo)) {
|
|
long accountKey = message.mAccountKey;
|
|
String protocolSearchInfo = message.mProtocolSearchInfo;
|
|
if (accountKey == mLastSearchAccountKey &&
|
|
protocolSearchInfo.equals(mLastSearchServerId)) {
|
|
return mLastSearchRemoteMailbox;
|
|
}
|
|
Cursor c = context.getContentResolver().query(Mailbox.CONTENT_URI,
|
|
Mailbox.CONTENT_PROJECTION, Mailbox.PATH_AND_ACCOUNT_SELECTION,
|
|
new String[] {protocolSearchInfo, Long.toString(accountKey)},
|
|
null);
|
|
try {
|
|
if (c.moveToNext()) {
|
|
Mailbox mailbox = new Mailbox();
|
|
mailbox.restore(c);
|
|
mLastSearchAccountKey = accountKey;
|
|
mLastSearchServerId = protocolSearchInfo;
|
|
mLastSearchRemoteMailbox = mailbox;
|
|
return mailbox;
|
|
} else {
|
|
return null;
|
|
}
|
|
} finally {
|
|
c.close();
|
|
}
|
|
} else {
|
|
return Mailbox.restoreMailboxWithId(context, message.mMailboxKey);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Scan for messages that are in the Message_Deletes table, look for differences that
|
|
* we can deal with, and do the work.
|
|
*
|
|
* @param account
|
|
* @param resolver
|
|
* @param accountIdArgs
|
|
*/
|
|
private static void processPendingDeletesSynchronous(Context context, Account account,
|
|
String[] accountIdArgs) {
|
|
Cursor deletes = context.getContentResolver().query(
|
|
EmailContent.Message.DELETED_CONTENT_URI,
|
|
EmailContent.Message.CONTENT_PROJECTION,
|
|
EmailContent.MessageColumns.ACCOUNT_KEY + "=?", accountIdArgs,
|
|
EmailContent.MessageColumns.MAILBOX_KEY);
|
|
long lastMessageId = -1;
|
|
try {
|
|
// Defer setting up the store until we know we need to access it
|
|
Store remoteStore = null;
|
|
// loop through messages marked as deleted
|
|
while (deletes.moveToNext()) {
|
|
boolean deleteFromTrash = false;
|
|
|
|
EmailContent.Message oldMessage =
|
|
EmailContent.getContent(deletes, EmailContent.Message.class);
|
|
|
|
if (oldMessage != null) {
|
|
lastMessageId = oldMessage.mId;
|
|
|
|
Mailbox mailbox = getRemoteMailboxForMessage(context, oldMessage);
|
|
if (mailbox == null) {
|
|
continue; // Mailbox removed. Move to the next message.
|
|
}
|
|
deleteFromTrash = mailbox.mType == Mailbox.TYPE_TRASH;
|
|
|
|
// Load the remote store if it will be needed
|
|
if (remoteStore == null && deleteFromTrash) {
|
|
remoteStore = Store.getInstance(account, context);
|
|
}
|
|
|
|
// Dispatch here for specific change types
|
|
if (deleteFromTrash) {
|
|
// Move message to trash
|
|
processPendingDeleteFromTrash(remoteStore, account, mailbox, oldMessage);
|
|
}
|
|
}
|
|
|
|
// Finally, delete the update
|
|
Uri uri = ContentUris.withAppendedId(EmailContent.Message.DELETED_CONTENT_URI,
|
|
oldMessage.mId);
|
|
context.getContentResolver().delete(uri, null, null);
|
|
}
|
|
} catch (MessagingException me) {
|
|
// Presumably an error here is an account connection failure, so there is
|
|
// no point in continuing through the rest of the pending updates.
|
|
if (MailActivityEmail.DEBUG) {
|
|
LogUtils.d(Logging.LOG_TAG, "Unable to process pending delete for id="
|
|
+ lastMessageId + ": " + me);
|
|
}
|
|
} finally {
|
|
deletes.close();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Scan for messages that are in Sent, and are in need of upload,
|
|
* and send them to the server. "In need of upload" is defined as:
|
|
* serverId == null (no UID has been assigned)
|
|
* or
|
|
* message is in the updated list
|
|
*
|
|
* Note we also look for messages that are moving from drafts->outbox->sent. They never
|
|
* go through "drafts" or "outbox" on the server, so we hang onto these until they can be
|
|
* uploaded directly to the Sent folder.
|
|
*
|
|
* @param account
|
|
* @param resolver
|
|
* @param accountIdArgs
|
|
*/
|
|
private static void processPendingUploadsSynchronous(Context context, Account account,
|
|
String[] accountIdArgs) {
|
|
ContentResolver resolver = context.getContentResolver();
|
|
// Find the Sent folder (since that's all we're uploading for now
|
|
// TODO: Upsync for all folders? (In case a user moves mail from Sent before it is
|
|
// handled. Also, this would generically solve allowing drafts to upload.)
|
|
Cursor mailboxes = resolver.query(Mailbox.CONTENT_URI, Mailbox.ID_PROJECTION,
|
|
MailboxColumns.ACCOUNT_KEY + "=?"
|
|
+ " and " + MailboxColumns.TYPE + "=" + Mailbox.TYPE_SENT,
|
|
accountIdArgs, null);
|
|
long lastMessageId = -1;
|
|
try {
|
|
// Defer setting up the store until we know we need to access it
|
|
Store remoteStore = null;
|
|
while (mailboxes.moveToNext()) {
|
|
long mailboxId = mailboxes.getLong(Mailbox.ID_PROJECTION_COLUMN);
|
|
String[] mailboxKeyArgs = new String[] { Long.toString(mailboxId) };
|
|
// Demand load mailbox
|
|
Mailbox mailbox = null;
|
|
|
|
// First handle the "new" messages (serverId == null)
|
|
Cursor upsyncs1 = resolver.query(EmailContent.Message.CONTENT_URI,
|
|
EmailContent.Message.ID_PROJECTION,
|
|
EmailContent.Message.MAILBOX_KEY + "=?"
|
|
+ " and (" + EmailContent.Message.SERVER_ID + " is null"
|
|
+ " or " + EmailContent.Message.SERVER_ID + "=''" + ")",
|
|
mailboxKeyArgs,
|
|
null);
|
|
try {
|
|
while (upsyncs1.moveToNext()) {
|
|
// Load the remote store if it will be needed
|
|
if (remoteStore == null) {
|
|
remoteStore = Store.getInstance(account, context);
|
|
}
|
|
// Load the mailbox if it will be needed
|
|
if (mailbox == null) {
|
|
mailbox = Mailbox.restoreMailboxWithId(context, mailboxId);
|
|
if (mailbox == null) {
|
|
continue; // Mailbox removed. Move to the next message.
|
|
}
|
|
}
|
|
// upsync the message
|
|
long id = upsyncs1.getLong(EmailContent.Message.ID_PROJECTION_COLUMN);
|
|
lastMessageId = id;
|
|
processUploadMessage(context, remoteStore, account, mailbox, id);
|
|
}
|
|
} finally {
|
|
if (upsyncs1 != null) {
|
|
upsyncs1.close();
|
|
}
|
|
}
|
|
|
|
// Next, handle any updates (e.g. edited in place, although this shouldn't happen)
|
|
Cursor upsyncs2 = resolver.query(EmailContent.Message.UPDATED_CONTENT_URI,
|
|
EmailContent.Message.ID_PROJECTION,
|
|
EmailContent.MessageColumns.MAILBOX_KEY + "=?", mailboxKeyArgs,
|
|
null);
|
|
try {
|
|
while (upsyncs2.moveToNext()) {
|
|
// Load the remote store if it will be needed
|
|
if (remoteStore == null) {
|
|
remoteStore = Store.getInstance(account, context);
|
|
}
|
|
// Load the mailbox if it will be needed
|
|
if (mailbox == null) {
|
|
mailbox = Mailbox.restoreMailboxWithId(context, mailboxId);
|
|
if (mailbox == null) {
|
|
continue; // Mailbox removed. Move to the next message.
|
|
}
|
|
}
|
|
// upsync the message
|
|
long id = upsyncs2.getLong(EmailContent.Message.ID_PROJECTION_COLUMN);
|
|
lastMessageId = id;
|
|
processUploadMessage(context, remoteStore, account, mailbox, id);
|
|
}
|
|
} finally {
|
|
if (upsyncs2 != null) {
|
|
upsyncs2.close();
|
|
}
|
|
}
|
|
}
|
|
} catch (MessagingException me) {
|
|
// Presumably an error here is an account connection failure, so there is
|
|
// no point in continuing through the rest of the pending updates.
|
|
if (MailActivityEmail.DEBUG) {
|
|
LogUtils.d(Logging.LOG_TAG, "Unable to process pending upsync for id="
|
|
+ lastMessageId + ": " + me);
|
|
}
|
|
} finally {
|
|
if (mailboxes != null) {
|
|
mailboxes.close();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Scan for messages that are in the Message_Updates table, look for differences that
|
|
* we can deal with, and do the work.
|
|
*
|
|
* @param account
|
|
* @param resolver
|
|
* @param accountIdArgs
|
|
*/
|
|
private static void processPendingUpdatesSynchronous(Context context, Account account,
|
|
String[] accountIdArgs) {
|
|
ContentResolver resolver = context.getContentResolver();
|
|
Cursor updates = resolver.query(EmailContent.Message.UPDATED_CONTENT_URI,
|
|
EmailContent.Message.CONTENT_PROJECTION,
|
|
EmailContent.MessageColumns.ACCOUNT_KEY + "=?", accountIdArgs,
|
|
EmailContent.MessageColumns.MAILBOX_KEY);
|
|
long lastMessageId = -1;
|
|
try {
|
|
// Defer setting up the store until we know we need to access it
|
|
Store remoteStore = null;
|
|
// Demand load mailbox (note order-by to reduce thrashing here)
|
|
Mailbox mailbox = null;
|
|
// loop through messages marked as needing updates
|
|
while (updates.moveToNext()) {
|
|
boolean changeMoveToTrash = false;
|
|
boolean changeRead = false;
|
|
boolean changeFlagged = false;
|
|
boolean changeMailbox = false;
|
|
boolean changeAnswered = false;
|
|
|
|
EmailContent.Message oldMessage =
|
|
EmailContent.getContent(updates, EmailContent.Message.class);
|
|
lastMessageId = oldMessage.mId;
|
|
EmailContent.Message newMessage =
|
|
EmailContent.Message.restoreMessageWithId(context, oldMessage.mId);
|
|
if (newMessage != null) {
|
|
mailbox = Mailbox.restoreMailboxWithId(context, newMessage.mMailboxKey);
|
|
if (mailbox == null) {
|
|
continue; // Mailbox removed. Move to the next message.
|
|
}
|
|
if (oldMessage.mMailboxKey != newMessage.mMailboxKey) {
|
|
if (mailbox.mType == Mailbox.TYPE_TRASH) {
|
|
changeMoveToTrash = true;
|
|
} else {
|
|
changeMailbox = true;
|
|
}
|
|
}
|
|
changeRead = oldMessage.mFlagRead != newMessage.mFlagRead;
|
|
changeFlagged = oldMessage.mFlagFavorite != newMessage.mFlagFavorite;
|
|
changeAnswered = (oldMessage.mFlags & EmailContent.Message.FLAG_REPLIED_TO) !=
|
|
(newMessage.mFlags & EmailContent.Message.FLAG_REPLIED_TO);
|
|
}
|
|
|
|
// Load the remote store if it will be needed
|
|
if (remoteStore == null &&
|
|
(changeMoveToTrash || changeRead || changeFlagged || changeMailbox ||
|
|
changeAnswered)) {
|
|
remoteStore = Store.getInstance(account, context);
|
|
}
|
|
|
|
// Dispatch here for specific change types
|
|
if (changeMoveToTrash) {
|
|
// Move message to trash
|
|
processPendingMoveToTrash(context, remoteStore, account, mailbox, oldMessage,
|
|
newMessage);
|
|
} else if (changeRead || changeFlagged || changeMailbox || changeAnswered) {
|
|
processPendingDataChange(context, remoteStore, mailbox, changeRead,
|
|
changeFlagged, changeMailbox, changeAnswered, oldMessage, newMessage);
|
|
}
|
|
|
|
// Finally, delete the update
|
|
Uri uri = ContentUris.withAppendedId(EmailContent.Message.UPDATED_CONTENT_URI,
|
|
oldMessage.mId);
|
|
resolver.delete(uri, null, null);
|
|
}
|
|
|
|
} catch (MessagingException me) {
|
|
// Presumably an error here is an account connection failure, so there is
|
|
// no point in continuing through the rest of the pending updates.
|
|
if (MailActivityEmail.DEBUG) {
|
|
LogUtils.d(Logging.LOG_TAG, "Unable to process pending update for id="
|
|
+ lastMessageId + ": " + me);
|
|
}
|
|
} finally {
|
|
updates.close();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Upsync an entire message. This must also unwind whatever triggered it (either by
|
|
* updating the serverId, or by deleting the update record, or it's going to keep happening
|
|
* over and over again.
|
|
*
|
|
* Note: If the message is being uploaded into an unexpected mailbox, we *do not* upload.
|
|
* This is to avoid unnecessary uploads into the trash. Although the caller attempts to select
|
|
* only the Drafts and Sent folders, this can happen when the update record and the current
|
|
* record mismatch. In this case, we let the update record remain, because the filters
|
|
* in processPendingUpdatesSynchronous() will pick it up as a move and handle it (or drop it)
|
|
* appropriately.
|
|
*
|
|
* @param resolver
|
|
* @param remoteStore
|
|
* @param account
|
|
* @param mailbox the actual mailbox
|
|
* @param messageId
|
|
*/
|
|
private static void processUploadMessage(Context context, Store remoteStore,
|
|
Account account, Mailbox mailbox, long messageId)
|
|
throws MessagingException {
|
|
EmailContent.Message newMessage =
|
|
EmailContent.Message.restoreMessageWithId(context, messageId);
|
|
final boolean deleteUpdate;
|
|
if (newMessage == null) {
|
|
deleteUpdate = true;
|
|
LogUtils.d(Logging.LOG_TAG, "Upsync failed for null message, id=" + messageId);
|
|
} else if (mailbox.mType == Mailbox.TYPE_DRAFTS) {
|
|
deleteUpdate = false;
|
|
LogUtils.d(Logging.LOG_TAG, "Upsync skipped for mailbox=drafts, id=" + messageId);
|
|
} else if (mailbox.mType == Mailbox.TYPE_OUTBOX) {
|
|
deleteUpdate = false;
|
|
LogUtils.d(Logging.LOG_TAG, "Upsync skipped for mailbox=outbox, id=" + messageId);
|
|
} else if (mailbox.mType == Mailbox.TYPE_TRASH) {
|
|
deleteUpdate = false;
|
|
LogUtils.d(Logging.LOG_TAG, "Upsync skipped for mailbox=trash, id=" + messageId);
|
|
} else if (newMessage.mMailboxKey != mailbox.mId) {
|
|
deleteUpdate = false;
|
|
LogUtils.d(Logging.LOG_TAG, "Upsync skipped; mailbox changed, id=" + messageId);
|
|
} else {
|
|
LogUtils.d(Logging.LOG_TAG, "Upsyc triggered for message id=" + messageId);
|
|
deleteUpdate = processPendingAppend(context, remoteStore, account, mailbox, newMessage);
|
|
}
|
|
if (deleteUpdate) {
|
|
// Finally, delete the update (if any)
|
|
Uri uri = ContentUris.withAppendedId(
|
|
EmailContent.Message.UPDATED_CONTENT_URI, messageId);
|
|
context.getContentResolver().delete(uri, null, null);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Upsync changes to read, flagged, or mailbox
|
|
*
|
|
* @param remoteStore the remote store for this mailbox
|
|
* @param mailbox the mailbox the message is stored in
|
|
* @param changeRead whether the message's read state has changed
|
|
* @param changeFlagged whether the message's flagged state has changed
|
|
* @param changeMailbox whether the message's mailbox has changed
|
|
* @param oldMessage the message in it's pre-change state
|
|
* @param newMessage the current version of the message
|
|
*/
|
|
private static void processPendingDataChange(final Context context, Store remoteStore,
|
|
Mailbox mailbox, boolean changeRead, boolean changeFlagged, boolean changeMailbox,
|
|
boolean changeAnswered, EmailContent.Message oldMessage,
|
|
final EmailContent.Message newMessage) throws MessagingException {
|
|
// New mailbox is the mailbox this message WILL be in (same as the one it WAS in if it isn't
|
|
// being moved
|
|
Mailbox newMailbox = mailbox;
|
|
// Mailbox is the original remote mailbox (the one we're acting on)
|
|
mailbox = getRemoteMailboxForMessage(context, oldMessage);
|
|
|
|
// 0. No remote update if the message is local-only
|
|
if (newMessage.mServerId == null || newMessage.mServerId.equals("")
|
|
|| newMessage.mServerId.startsWith(LOCAL_SERVERID_PREFIX) || (mailbox == null)) {
|
|
return;
|
|
}
|
|
|
|
// 1. No remote update for DRAFTS or OUTBOX
|
|
if (mailbox.mType == Mailbox.TYPE_DRAFTS || mailbox.mType == Mailbox.TYPE_OUTBOX) {
|
|
return;
|
|
}
|
|
|
|
// 2. Open the remote store & folder
|
|
Folder remoteFolder = remoteStore.getFolder(mailbox.mServerId);
|
|
if (!remoteFolder.exists()) {
|
|
return;
|
|
}
|
|
remoteFolder.open(OpenMode.READ_WRITE);
|
|
if (remoteFolder.getMode() != OpenMode.READ_WRITE) {
|
|
return;
|
|
}
|
|
|
|
// 3. Finally, apply the changes to the message
|
|
Message remoteMessage = remoteFolder.getMessage(newMessage.mServerId);
|
|
if (remoteMessage == null) {
|
|
return;
|
|
}
|
|
if (MailActivityEmail.DEBUG) {
|
|
LogUtils.d(Logging.LOG_TAG,
|
|
"Update for msg id=" + newMessage.mId
|
|
+ " read=" + newMessage.mFlagRead
|
|
+ " flagged=" + newMessage.mFlagFavorite
|
|
+ " answered="
|
|
+ ((newMessage.mFlags & EmailContent.Message.FLAG_REPLIED_TO) != 0)
|
|
+ " new mailbox=" + newMessage.mMailboxKey);
|
|
}
|
|
Message[] messages = new Message[] { remoteMessage };
|
|
if (changeRead) {
|
|
remoteFolder.setFlags(messages, FLAG_LIST_SEEN, newMessage.mFlagRead);
|
|
}
|
|
if (changeFlagged) {
|
|
remoteFolder.setFlags(messages, FLAG_LIST_FLAGGED, newMessage.mFlagFavorite);
|
|
}
|
|
if (changeAnswered) {
|
|
remoteFolder.setFlags(messages, FLAG_LIST_ANSWERED,
|
|
(newMessage.mFlags & EmailContent.Message.FLAG_REPLIED_TO) != 0);
|
|
}
|
|
if (changeMailbox) {
|
|
Folder toFolder = remoteStore.getFolder(newMailbox.mServerId);
|
|
if (!remoteFolder.exists()) {
|
|
return;
|
|
}
|
|
// We may need the message id to search for the message in the destination folder
|
|
remoteMessage.setMessageId(newMessage.mMessageId);
|
|
// Copy the message to its new folder
|
|
remoteFolder.copyMessages(messages, toFolder, new MessageUpdateCallbacks() {
|
|
@Override
|
|
public void onMessageUidChange(Message message, String newUid) {
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(EmailContent.Message.SERVER_ID, newUid);
|
|
// We only have one message, so, any updates _must_ be for it. Otherwise,
|
|
// we'd have to cycle through to find the one with the same server ID.
|
|
context.getContentResolver().update(ContentUris.withAppendedId(
|
|
EmailContent.Message.CONTENT_URI, newMessage.mId), cv, null, null);
|
|
}
|
|
@Override
|
|
public void onMessageNotFound(Message message) {
|
|
}
|
|
});
|
|
// Delete the message from the remote source folder
|
|
remoteMessage.setFlag(Flag.DELETED, true);
|
|
remoteFolder.expunge();
|
|
}
|
|
remoteFolder.close(false);
|
|
}
|
|
|
|
/**
|
|
* Process a pending trash message command.
|
|
*
|
|
* @param remoteStore the remote store we're working in
|
|
* @param account The account in which we are working
|
|
* @param newMailbox The local trash mailbox
|
|
* @param oldMessage The message copy that was saved in the updates shadow table
|
|
* @param newMessage The message that was moved to the mailbox
|
|
*/
|
|
private static void processPendingMoveToTrash(final Context context, Store remoteStore,
|
|
Account account, Mailbox newMailbox, EmailContent.Message oldMessage,
|
|
final EmailContent.Message newMessage) throws MessagingException {
|
|
|
|
// 0. No remote move if the message is local-only
|
|
if (newMessage.mServerId == null || newMessage.mServerId.equals("")
|
|
|| newMessage.mServerId.startsWith(LOCAL_SERVERID_PREFIX)) {
|
|
return;
|
|
}
|
|
|
|
// 1. Escape early if we can't find the local mailbox
|
|
// TODO smaller projection here
|
|
Mailbox oldMailbox = getRemoteMailboxForMessage(context, oldMessage);
|
|
if (oldMailbox == null) {
|
|
// can't find old mailbox, it may have been deleted. just return.
|
|
return;
|
|
}
|
|
// 2. We don't support delete-from-trash here
|
|
if (oldMailbox.mType == Mailbox.TYPE_TRASH) {
|
|
return;
|
|
}
|
|
|
|
// The rest of this method handles server-side deletion
|
|
|
|
// 4. Find the remote mailbox (that we deleted from), and open it
|
|
Folder remoteFolder = remoteStore.getFolder(oldMailbox.mServerId);
|
|
if (!remoteFolder.exists()) {
|
|
return;
|
|
}
|
|
|
|
remoteFolder.open(OpenMode.READ_WRITE);
|
|
if (remoteFolder.getMode() != OpenMode.READ_WRITE) {
|
|
remoteFolder.close(false);
|
|
return;
|
|
}
|
|
|
|
// 5. Find the remote original message
|
|
Message remoteMessage = remoteFolder.getMessage(oldMessage.mServerId);
|
|
if (remoteMessage == null) {
|
|
remoteFolder.close(false);
|
|
return;
|
|
}
|
|
|
|
// 6. Find the remote trash folder, and create it if not found
|
|
Folder remoteTrashFolder = remoteStore.getFolder(newMailbox.mServerId);
|
|
if (!remoteTrashFolder.exists()) {
|
|
/*
|
|
* If the remote trash folder doesn't exist we try to create it.
|
|
*/
|
|
remoteTrashFolder.create(FolderType.HOLDS_MESSAGES);
|
|
}
|
|
|
|
// 7. Try to copy the message into the remote trash folder
|
|
// Note, this entire section will be skipped for POP3 because there's no remote trash
|
|
if (remoteTrashFolder.exists()) {
|
|
/*
|
|
* Because remoteTrashFolder may be new, we need to explicitly open it
|
|
*/
|
|
remoteTrashFolder.open(OpenMode.READ_WRITE);
|
|
if (remoteTrashFolder.getMode() != OpenMode.READ_WRITE) {
|
|
remoteFolder.close(false);
|
|
remoteTrashFolder.close(false);
|
|
return;
|
|
}
|
|
|
|
remoteFolder.copyMessages(new Message[] { remoteMessage }, remoteTrashFolder,
|
|
new Folder.MessageUpdateCallbacks() {
|
|
@Override
|
|
public void onMessageUidChange(Message message, String newUid) {
|
|
// update the UID in the local trash folder, because some stores will
|
|
// have to change it when copying to remoteTrashFolder
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(EmailContent.Message.SERVER_ID, newUid);
|
|
context.getContentResolver().update(newMessage.getUri(), cv, null, null);
|
|
}
|
|
|
|
/**
|
|
* This will be called if the deleted message doesn't exist and can't be
|
|
* deleted (e.g. it was already deleted from the server.) In this case,
|
|
* attempt to delete the local copy as well.
|
|
*/
|
|
@Override
|
|
public void onMessageNotFound(Message message) {
|
|
context.getContentResolver().delete(newMessage.getUri(), null, null);
|
|
}
|
|
});
|
|
remoteTrashFolder.close(false);
|
|
}
|
|
|
|
// 8. Delete the message from the remote source folder
|
|
remoteMessage.setFlag(Flag.DELETED, true);
|
|
remoteFolder.expunge();
|
|
remoteFolder.close(false);
|
|
}
|
|
|
|
/**
|
|
* Process a pending trash message command.
|
|
*
|
|
* @param remoteStore the remote store we're working in
|
|
* @param account The account in which we are working
|
|
* @param oldMailbox The local trash mailbox
|
|
* @param oldMessage The message that was deleted from the trash
|
|
*/
|
|
private static void processPendingDeleteFromTrash(Store remoteStore,
|
|
Account account, Mailbox oldMailbox, EmailContent.Message oldMessage)
|
|
throws MessagingException {
|
|
|
|
// 1. We only support delete-from-trash here
|
|
if (oldMailbox.mType != Mailbox.TYPE_TRASH) {
|
|
return;
|
|
}
|
|
|
|
// 2. Find the remote trash folder (that we are deleting from), and open it
|
|
Folder remoteTrashFolder = remoteStore.getFolder(oldMailbox.mServerId);
|
|
if (!remoteTrashFolder.exists()) {
|
|
return;
|
|
}
|
|
|
|
remoteTrashFolder.open(OpenMode.READ_WRITE);
|
|
if (remoteTrashFolder.getMode() != OpenMode.READ_WRITE) {
|
|
remoteTrashFolder.close(false);
|
|
return;
|
|
}
|
|
|
|
// 3. Find the remote original message
|
|
Message remoteMessage = remoteTrashFolder.getMessage(oldMessage.mServerId);
|
|
if (remoteMessage == null) {
|
|
remoteTrashFolder.close(false);
|
|
return;
|
|
}
|
|
|
|
// 4. Delete the message from the remote trash folder
|
|
remoteMessage.setFlag(Flag.DELETED, true);
|
|
remoteTrashFolder.expunge();
|
|
remoteTrashFolder.close(false);
|
|
}
|
|
|
|
/**
|
|
* Process a pending append message command. This command uploads a local message to the
|
|
* server, first checking to be sure that the server message is not newer than
|
|
* the local message.
|
|
*
|
|
* @param context
|
|
* @param remoteStore the remote store we're working in
|
|
* @param account The account in which we are working
|
|
* @param mailbox The mailbox we're appending to
|
|
* @param message The message we're appending
|
|
* @return true if successfully uploaded
|
|
*/
|
|
private static boolean processPendingAppend(Context context, Store remoteStore, Account account,
|
|
Mailbox mailbox, EmailContent.Message message)
|
|
throws MessagingException {
|
|
boolean updateInternalDate = false;
|
|
boolean updateMessage = false;
|
|
boolean deleteMessage = false;
|
|
|
|
// 1. Find the remote folder that we're appending to and create and/or open it
|
|
Folder remoteFolder = remoteStore.getFolder(mailbox.mServerId);
|
|
if (!remoteFolder.exists()) {
|
|
if (!remoteFolder.create(FolderType.HOLDS_MESSAGES)) {
|
|
// This is a (hopefully) transient error and we return false to try again later
|
|
return false;
|
|
}
|
|
}
|
|
remoteFolder.open(OpenMode.READ_WRITE);
|
|
if (remoteFolder.getMode() != OpenMode.READ_WRITE) {
|
|
return false;
|
|
}
|
|
|
|
// 2. If possible, load a remote message with the matching UID
|
|
Message remoteMessage = null;
|
|
if (message.mServerId != null && message.mServerId.length() > 0) {
|
|
remoteMessage = remoteFolder.getMessage(message.mServerId);
|
|
}
|
|
|
|
// 3. If a remote message could not be found, upload our local message
|
|
if (remoteMessage == null) {
|
|
// 3a. Create a legacy message to upload
|
|
Message localMessage = LegacyConversions.makeMessage(context, message);
|
|
|
|
// 3b. Upload it
|
|
FetchProfile fp = new FetchProfile();
|
|
fp.add(FetchProfile.Item.BODY);
|
|
remoteFolder.appendMessages(new Message[] { localMessage });
|
|
|
|
// 3b. And record the UID from the server
|
|
message.mServerId = localMessage.getUid();
|
|
updateInternalDate = true;
|
|
updateMessage = true;
|
|
} else {
|
|
// 4. If the remote message exists we need to determine which copy to keep.
|
|
FetchProfile fp = new FetchProfile();
|
|
fp.add(FetchProfile.Item.ENVELOPE);
|
|
remoteFolder.fetch(new Message[] { remoteMessage }, fp, null);
|
|
Date localDate = new Date(message.mServerTimeStamp);
|
|
Date remoteDate = remoteMessage.getInternalDate();
|
|
if (remoteDate != null && remoteDate.compareTo(localDate) > 0) {
|
|
// 4a. If the remote message is newer than ours we'll just
|
|
// delete ours and move on. A sync will get the server message
|
|
// if we need to be able to see it.
|
|
deleteMessage = true;
|
|
} else {
|
|
// 4b. Otherwise we'll upload our message and then delete the remote message.
|
|
|
|
// Create a legacy message to upload
|
|
Message localMessage = LegacyConversions.makeMessage(context, message);
|
|
|
|
// 4c. Upload it
|
|
fp.clear();
|
|
fp = new FetchProfile();
|
|
fp.add(FetchProfile.Item.BODY);
|
|
remoteFolder.appendMessages(new Message[] { localMessage });
|
|
|
|
// 4d. Record the UID and new internalDate from the server
|
|
message.mServerId = localMessage.getUid();
|
|
updateInternalDate = true;
|
|
updateMessage = true;
|
|
|
|
// 4e. And delete the old copy of the message from the server
|
|
remoteMessage.setFlag(Flag.DELETED, true);
|
|
}
|
|
}
|
|
|
|
// 5. If requested, Best-effort to capture new "internaldate" from the server
|
|
if (updateInternalDate && message.mServerId != null) {
|
|
try {
|
|
Message remoteMessage2 = remoteFolder.getMessage(message.mServerId);
|
|
if (remoteMessage2 != null) {
|
|
FetchProfile fp2 = new FetchProfile();
|
|
fp2.add(FetchProfile.Item.ENVELOPE);
|
|
remoteFolder.fetch(new Message[] { remoteMessage2 }, fp2, null);
|
|
message.mServerTimeStamp = remoteMessage2.getInternalDate().getTime();
|
|
updateMessage = true;
|
|
}
|
|
} catch (MessagingException me) {
|
|
// skip it - we can live without this
|
|
}
|
|
}
|
|
|
|
// 6. Perform required edits to local copy of message
|
|
if (deleteMessage || updateMessage) {
|
|
Uri uri = ContentUris.withAppendedId(EmailContent.Message.CONTENT_URI, message.mId);
|
|
ContentResolver resolver = context.getContentResolver();
|
|
if (deleteMessage) {
|
|
resolver.delete(uri, null, null);
|
|
} else if (updateMessage) {
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(EmailContent.Message.SERVER_ID, message.mServerId);
|
|
cv.put(EmailContent.Message.SERVER_TIMESTAMP, message.mServerTimeStamp);
|
|
resolver.update(uri, cv, null, null);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* A message and numeric uid that's easily sortable
|
|
*/
|
|
private static class SortableMessage {
|
|
private final Message mMessage;
|
|
private final long mUid;
|
|
|
|
SortableMessage(Message message, long uid) {
|
|
mMessage = message;
|
|
mUid = uid;
|
|
}
|
|
}
|
|
|
|
private static int searchMailboxImpl(final Context context, final long accountId,
|
|
final SearchParams searchParams, final long destMailboxId) throws MessagingException {
|
|
final Account account = Account.restoreAccountWithId(context, accountId);
|
|
final Mailbox mailbox = Mailbox.restoreMailboxWithId(context, searchParams.mMailboxId);
|
|
final Mailbox destMailbox = Mailbox.restoreMailboxWithId(context, destMailboxId);
|
|
if (account == null || mailbox == null || destMailbox == null) {
|
|
LogUtils.d(Logging.LOG_TAG, "Attempted search for " + searchParams
|
|
+ " but account or mailbox information was missing");
|
|
return 0;
|
|
}
|
|
|
|
// Tell UI that we're loading messages
|
|
|
|
Store remoteStore = Store.getInstance(account, context);
|
|
Folder remoteFolder = remoteStore.getFolder(mailbox.mServerId);
|
|
remoteFolder.open(OpenMode.READ_WRITE);
|
|
|
|
SortableMessage[] sortableMessages = new SortableMessage[0];
|
|
if (searchParams.mOffset == 0) {
|
|
// Get the "bare" messages (basically uid)
|
|
Message[] remoteMessages = remoteFolder.getMessages(searchParams, null);
|
|
int remoteCount = remoteMessages.length;
|
|
if (remoteCount > 0) {
|
|
sortableMessages = new SortableMessage[remoteCount];
|
|
int i = 0;
|
|
for (Message msg : remoteMessages) {
|
|
sortableMessages[i++] = new SortableMessage(msg, Long.parseLong(msg.getUid()));
|
|
}
|
|
// Sort the uid's, most recent first
|
|
// Note: Not all servers will be nice and return results in the order of request;
|
|
// those that do will see messages arrive from newest to oldest
|
|
Arrays.sort(sortableMessages, new Comparator<SortableMessage>() {
|
|
@Override
|
|
public int compare(SortableMessage lhs, SortableMessage rhs) {
|
|
return lhs.mUid > rhs.mUid ? -1 : lhs.mUid < rhs.mUid ? 1 : 0;
|
|
}
|
|
});
|
|
sSearchResults.put(accountId, sortableMessages);
|
|
}
|
|
} else {
|
|
sortableMessages = sSearchResults.get(accountId);
|
|
}
|
|
|
|
final int numSearchResults = sortableMessages.length;
|
|
final int numToLoad =
|
|
Math.min(numSearchResults - searchParams.mOffset, searchParams.mLimit);
|
|
if (numToLoad <= 0) {
|
|
return 0;
|
|
}
|
|
|
|
final ArrayList<Message> messageList = new ArrayList<Message>();
|
|
for (int i = searchParams.mOffset; i < numToLoad + searchParams.mOffset; i++) {
|
|
messageList.add(sortableMessages[i].mMessage);
|
|
}
|
|
// Get everything in one pass, rather than two (as in sync); this starts getting us
|
|
// usable results quickly.
|
|
FetchProfile fp = new FetchProfile();
|
|
fp.add(FetchProfile.Item.FLAGS);
|
|
fp.add(FetchProfile.Item.ENVELOPE);
|
|
fp.add(FetchProfile.Item.STRUCTURE);
|
|
fp.add(FetchProfile.Item.BODY_SANE);
|
|
remoteFolder.fetch(messageList.toArray(new Message[0]), fp,
|
|
new MessageRetrievalListener() {
|
|
@Override
|
|
public void messageRetrieved(Message message) {
|
|
try {
|
|
// Determine if the new message was already known (e.g. partial)
|
|
// And create or reload the full message info
|
|
EmailContent.Message localMessage = new EmailContent.Message();
|
|
try {
|
|
// Copy the fields that are available into the message
|
|
LegacyConversions.updateMessageFields(localMessage,
|
|
message, account.mId, mailbox.mId);
|
|
// Commit the message to the local store
|
|
Utilities.saveOrUpdate(localMessage, context);
|
|
localMessage.mMailboxKey = destMailboxId;
|
|
// We load 50k or so; maybe it's complete, maybe not...
|
|
int flag = EmailContent.Message.FLAG_LOADED_COMPLETE;
|
|
// We store the serverId of the source mailbox into protocolSearchInfo
|
|
// This will be used by loadMessageForView, etc. to use the proper remote
|
|
// folder
|
|
localMessage.mProtocolSearchInfo = mailbox.mServerId;
|
|
if (message.getSize() > Store.FETCH_BODY_SANE_SUGGESTED_SIZE) {
|
|
flag = EmailContent.Message.FLAG_LOADED_PARTIAL;
|
|
}
|
|
Utilities.copyOneMessageToProvider(context, message, localMessage, flag);
|
|
} catch (MessagingException me) {
|
|
LogUtils.e(Logging.LOG_TAG,
|
|
"Error while copying downloaded message." + me);
|
|
}
|
|
} catch (Exception e) {
|
|
LogUtils.e(Logging.LOG_TAG,
|
|
"Error while storing downloaded message." + e.toString());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void loadAttachmentProgress(int progress) {
|
|
}
|
|
});
|
|
return numSearchResults;
|
|
}
|
|
} |