Implement two part imap sync
b/10075523 Now, every 15 minutes we'll sync the last 24 hours. Every 4 hours we'll perform a full sync, which will take either the last 7 days, or until the oldest message we already have locally. Change-Id: Idc55a46a28af2a68cc324e414d51d88373941595
This commit is contained in:
parent
9d628b4c41
commit
c75f5880ab
@ -1649,6 +1649,8 @@ public abstract class EmailContent {
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public static final String TOTAL_COUNT = "totalCount";
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// The full hierarchical name of this folder, in the form a/b/c
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public static final String HIERARCHICAL_NAME = "hierarchicalName";
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// The last time that we did a full sync. Set from SystemClock.elapsedRealtime().
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public static final String LAST_FULL_SYNC_TIME = "lastFullSyncTime";
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}
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public interface HostAuthColumns {
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@ -80,6 +80,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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public int mUiLastSyncResult;
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public int mTotalCount;
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public String mHierarchicalName;
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public long mLastFullSyncTime;
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public static final int CONTENT_ID_COLUMN = 0;
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public static final int CONTENT_DISPLAY_NAME_COLUMN = 1;
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@ -101,6 +102,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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public static final int CONTENT_UI_LAST_SYNC_RESULT_COLUMN = 17;
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public static final int CONTENT_TOTAL_COUNT_COLUMN = 18;
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public static final int CONTENT_HIERARCHICAL_NAME_COLUMN = 19;
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public static final int CONTENT_LAST_FULL_SYNC_COLUMN = 20;
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/**
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* <em>NOTE</em>: If fields are added or removed, the method {@link #getHashes()}
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@ -114,7 +116,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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MailboxColumns.FLAGS, MailboxColumns.SYNC_STATUS, MailboxColumns.PARENT_KEY,
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MailboxColumns.LAST_TOUCHED_TIME, MailboxColumns.UI_SYNC_STATUS,
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MailboxColumns.UI_LAST_SYNC_RESULT, MailboxColumns.TOTAL_COUNT,
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MailboxColumns.HIERARCHICAL_NAME
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MailboxColumns.HIERARCHICAL_NAME, MailboxColumns.LAST_FULL_SYNC_TIME
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};
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/** Selection by server pathname for a given account */
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@ -467,6 +469,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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mUiLastSyncResult = cursor.getInt(CONTENT_UI_LAST_SYNC_RESULT_COLUMN);
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mTotalCount = cursor.getInt(CONTENT_TOTAL_COUNT_COLUMN);
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mHierarchicalName = cursor.getString(CONTENT_HIERARCHICAL_NAME_COLUMN);
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mLastFullSyncTime = cursor.getInt(CONTENT_LAST_FULL_SYNC_COLUMN);
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}
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@Override
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@ -491,6 +494,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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values.put(MailboxColumns.UI_LAST_SYNC_RESULT, mUiLastSyncResult);
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values.put(MailboxColumns.TOTAL_COUNT, mTotalCount);
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values.put(MailboxColumns.HIERARCHICAL_NAME, mHierarchicalName);
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values.put(MailboxColumns.LAST_FULL_SYNC_TIME, mLastFullSyncTime);
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return values;
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}
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@ -504,6 +508,21 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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ContentValues values = new ContentValues();
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values.put(MailboxColumns.TOTAL_COUNT, count);
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update(c, values);
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mTotalCount = count;
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}
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}
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/**
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* Store the last full sync time in the database.
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* @param c
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* @param syncTime
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*/
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public void updateLastFullSyncTime(final Context c, final long syncTime) {
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if (syncTime != mLastFullSyncTime) {
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ContentValues values = new ContentValues();
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values.put(MailboxColumns.LAST_FULL_SYNC_TIME, syncTime);
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update(c, values);
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mLastFullSyncTime = syncTime;
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}
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}
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@ -695,6 +714,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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dest.writeInt(mUiLastSyncResult);
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dest.writeInt(mTotalCount);
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dest.writeString(mHierarchicalName);
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dest.writeLong(mLastFullSyncTime);
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}
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public Mailbox(Parcel in) {
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@ -719,6 +739,7 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
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mUiLastSyncResult = in.readInt();
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mTotalCount = in.readInt();
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mHierarchicalName = in.readString();
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mLastFullSyncTime = in.readLong();
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}
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public static final Parcelable.Creator<Mailbox> CREATOR = new Parcelable.Creator<Mailbox>() {
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@ -146,8 +146,9 @@ public final class DBHelper {
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// Version 112: Convert Mailbox syncInterval to a boolean (whether or not this mailbox
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// syncs along with the account).
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// Version 113: Restore message_count to being useful.
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// Version 114: Add lastFullSyncTime column
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public static final int DATABASE_VERSION = 113;
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public static final int DATABASE_VERSION = 114;
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// Any changes to the database format *must* include update-in-place code.
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// Original version: 2
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@ -435,7 +436,8 @@ public final class DBHelper {
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+ MailboxColumns.LAST_NOTIFIED_MESSAGE_KEY + " integer not null default 0, "
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+ MailboxColumns.LAST_NOTIFIED_MESSAGE_COUNT + " integer not null default 0, "
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+ MailboxColumns.TOTAL_COUNT + " integer, "
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+ MailboxColumns.HIERARCHICAL_NAME + " text"
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+ MailboxColumns.HIERARCHICAL_NAME + " text, "
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+ MailboxColumns.LAST_FULL_SYNC_TIME + " integer"
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+ ");";
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db.execSQL("create table " + Mailbox.TABLE_NAME + s);
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db.execSQL("create index mailbox_" + MailboxColumns.SERVER_ID
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@ -1057,6 +1059,19 @@ public final class DBHelper {
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recalculateMessageCount(db);
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createMessageCountTriggers(db);
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}
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if (oldVersion <= 113) {
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try {
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db.execSQL("alter table " + Mailbox.TABLE_NAME
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+ " add column " + MailboxColumns.LAST_FULL_SYNC_TIME +" integer" + ";");
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ContentValues cv = new ContentValues();
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cv.put(MailboxColumns.LAST_FULL_SYNC_TIME, 0);
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db.update(Mailbox.TABLE_NAME, cv, null, null);
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} catch (SQLException e) {
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// Shouldn't be needed unless we're debugging and interrupt the process
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LogUtils.w(TAG, "Exception upgrading EmailProvider.db from v113 to v114", e);
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}
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}
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}
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@Override
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@ -27,7 +27,9 @@ 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.RemoteException;
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import android.os.SystemClock;
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import android.text.TextUtils;
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import android.text.format.DateUtils;
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import com.android.email.LegacyConversions;
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import com.android.email.NotificationController;
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@ -69,7 +71,10 @@ 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 long QUICK_SYNC_WINDOW_MILLIS = DateUtils.DAY_IN_MILLIS;
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private static final long FULL_SYNC_WINDOW_MILLIS = 7 * DateUtils.DAY_IN_MILLIS;
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private static final long FULL_SYNC_INTERVAL_MILLIS = 4 * DateUtils.HOUR_IN_MILLIS;
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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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@ -153,12 +158,13 @@ public class ImapService extends Service {
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* @throws MessagingException
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*/
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public static int synchronizeMailboxSynchronous(Context context, final Account account,
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final Mailbox folder, final boolean loadMore) throws MessagingException {
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final Mailbox folder, final boolean loadMore, final boolean uiRefresh)
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throws MessagingException {
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TrafficStats.setThreadStatsTag(TrafficFlags.getSyncFlags(context, account));
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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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synchronizeMailboxGeneric(context, account, folder, loadMore, uiRefresh);
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// Clear authentication notification for this account
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nc.cancelLoginFailedNotification(account.mId);
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} catch (MessagingException e) {
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@ -323,18 +329,17 @@ public class ImapService extends Service {
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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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* @param loadMore whether we should be loading more older messages
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* @param uiRefresh whether this request is in response to a user action
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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 Mailbox mailbox, final boolean loadMore, final boolean uiRefresh)
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throws MessagingException {
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LogUtils.v(Logging.LOG_TAG, "synchronizeMailboxGeneric " + account + " " + mailbox + " "
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+ loadMore + " " + uiRefresh);
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final ArrayList<Long> unseenMessages = new ArrayList<Long>();
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@ -345,20 +350,169 @@ public class ImapService extends Service {
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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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// 1. Figure out what our sync window should be.
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long endDate;
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// We will do a full sync if the user has actively requested a sync, or if it has been
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// too long since the last full sync.
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// If we have rebooted since the last full sync, then we may get a negative
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// timeSinceLastFullSync. In this case, we don't know how long it's been since the last
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// full sync so we should perform the full sync.
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final long timeSinceLastFullSync = SystemClock.elapsedRealtime() -
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mailbox.mLastFullSyncTime;
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final boolean fullSync = (uiRefresh || loadMore ||
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timeSinceLastFullSync >= FULL_SYNC_INTERVAL_MILLIS || timeSinceLastFullSync < 0);
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if (fullSync) {
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// Find the oldest message in the local store. We need our time window to include
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// all messages that are currently present locally.
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endDate = System.currentTimeMillis() - FULL_SYNC_WINDOW_MILLIS;
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Cursor localOldestCursor = null;
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try {
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localOldestCursor = resolver.query(EmailContent.Message.CONTENT_URI,
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OldestTimestampInfo.PROJECTION,
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EmailContent.MessageColumns.ACCOUNT_KEY + "=?" + " AND " +
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MessageColumns.MAILBOX_KEY + "=?",
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new String[] {String.valueOf(account.mId), String.valueOf(mailbox.mId)},
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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(
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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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LogUtils.d(Logging.LOG_TAG, "full sync: original window: now - " + endDate);
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} else {
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// We are doing a frequent, quick sync. This only syncs a small time window, so that
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// we wil get any new messages, but not spend a lot of bandwidth downloading
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// messageIds that we most likely already have.
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endDate = System.currentTimeMillis() - QUICK_SYNC_WINDOW_MILLIS;
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LogUtils.d(Logging.LOG_TAG, "quick sync: original window: now - " + endDate);
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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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// 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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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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remoteFolder.open(OpenMode.READ_WRITE);
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// 3. 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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// 4. Get the number of messages on the server.
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final int remoteMessageCount = remoteFolder.getMessageCount();
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// 5. Save folder message count locally.
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mailbox.updateMessageCount(context, remoteMessageCount);
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// 6. Get all message Ids in our sync window:
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Message[] remoteMessages;
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remoteMessages = remoteFolder.getMessages(0, endDate, null);
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LogUtils.d(Logging.LOG_TAG, "received " + remoteMessages.length + " messages");
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// 7. 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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int totalCountNeeded;
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if (loadMore) {
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totalCountNeeded = remoteMessages.length + LOAD_MORE_MIN_INCREMENT;
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} else {
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totalCountNeeded = remoteMessages.length;
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if (fullSync && totalCountNeeded < MINIMUM_MESSAGES_TO_SYNC) {
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totalCountNeeded = MINIMUM_MESSAGES_TO_SYNC;
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}
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}
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LogUtils.d(Logging.LOG_TAG, "need " + totalCountNeeded + " total");
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final int additionalMessagesNeeded = totalCountNeeded - remoteMessages.length;
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if (additionalMessagesNeeded > 0) {
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LogUtils.d(Logging.LOG_TAG, "trying to get " + additionalMessagesNeeded + " more");
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long startDate = endDate - 1;
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Message[] additionalMessages = new Message[0];
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long windowIncreaseSize = INITIAL_WINDOW_SIZE_INCREASE;
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while (additionalMessages.length < additionalMessagesNeeded && endDate > 0) {
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endDate = endDate - windowIncreaseSize;
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if (endDate < 0) {
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LogUtils.d(Logging.LOG_TAG, "window size too large, this is the last attempt");
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endDate = 0;
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}
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LogUtils.d(Logging.LOG_TAG,
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"requesting additional messages from range " + startDate + " - " + endDate);
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additionalMessages = remoteFolder.getMessages(startDate, endDate, null);
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// If don't get enough messages with the first window size expansion,
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// we need to accelerate rate at which the window expands. Otherwise,
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// if there were no messages for several weeks, we'd always end up
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// performing dozens of queries.
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windowIncreaseSize *= 2;
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}
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LogUtils.d(Logging.LOG_TAG, "additionalMessages " + additionalMessages.length);
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if (additionalMessages.length < additionalMessagesNeeded) {
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// We have attempted to load a window that goes all the way back to time zero,
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// but we still don't have as many messages as the server says are in the inbox.
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// This is not expected to happen.
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LogUtils.e(Logging.LOG_TAG, "expected to find " + additionalMessagesNeeded
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+ " more messages, only got " + additionalMessages.length);
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}
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int additionalToKeep = additionalMessages.length;
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if (additionalMessages.length > LOAD_MORE_MAX_INCREMENT) {
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// We have way more additional messages than intended, drop some of them.
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// The last messages are the most recent, so those are the ones we need to keep.
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additionalToKeep = LOAD_MORE_MAX_INCREMENT;
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}
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// Copy the messages into one array.
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Message[] allMessages = new Message[remoteMessages.length + additionalToKeep];
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System.arraycopy(remoteMessages, 0, allMessages, 0, remoteMessages.length);
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// additionalMessages may have more than we need, only copy the last
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// several. These are the most recent messages in that set because
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// of the way IMAP server returns messages.
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System.arraycopy(additionalMessages, additionalMessages.length - additionalToKeep,
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allMessages, remoteMessages.length, additionalToKeep);
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remoteMessages = allMessages;
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}
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// 8. Get the all of the local messages within the sync window, and create
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// an index of the uids.
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// It's important that we only get local messages that are inside our sync window.
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// In a later step, we will delete any messages that are in localMessageMap but
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// are not in our remote message list.
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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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EmailContent.MessageColumns.ACCOUNT_KEY + "=?"
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+ " AND " + MessageColumns.MAILBOX_KEY + "=?"
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+ " AND " + MessageColumns.TIMESTAMP + ">=?",
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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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String.valueOf(mailbox.mId),
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String.valueOf(endDate) },
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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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@ -376,148 +530,16 @@ public class ImapService extends Service {
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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.
|
||||
final int remoteMessageCount = remoteFolder.getMessageCount();
|
||||
|
||||
// 6. Save folder message count that we got earlier.
|
||||
mailbox.updateMessageCount(context, remoteMessageCount);
|
||||
|
||||
// 7. Figure out how big our sync window should be. Leave startDate set to zero, this
|
||||
// indicates we do not want any constraint on the BEFORE parameter sent in our query.
|
||||
// This way, we will always be able to get the most recent messages, even if the
|
||||
// imap server's date is different from ours.
|
||||
long startDate = 0;
|
||||
long endDate = System.currentTimeMillis() - DEFAULT_SYNC_WINDOW_MILLIS;
|
||||
LogUtils.d(Logging.LOG_TAG, "original window " + startDate + " - " + endDate);
|
||||
Cursor localOldestCursor = null;
|
||||
try {
|
||||
localOldestCursor = resolver.query(
|
||||
EmailContent.Message.CONTENT_URI,
|
||||
OldestTimestampInfo.PROJECTION,
|
||||
EmailContent.MessageColumns.ACCOUNT_KEY + "=?" +
|
||||
" AND " + MessageColumns.MAILBOX_KEY + "=?",
|
||||
new String[] {
|
||||
String.valueOf(account.mId),
|
||||
String.valueOf(mailbox.mId)
|
||||
},
|
||||
null);
|
||||
if (localOldestCursor != null && localOldestCursor.moveToFirst()) {
|
||||
long oldestLocalMessageDate = localOldestCursor.getLong(
|
||||
OldestTimestampInfo.COLUMN_OLDEST_TIMESTAMP);
|
||||
if (oldestLocalMessageDate > 0) {
|
||||
endDate = Math.min(endDate, oldestLocalMessageDate);
|
||||
LogUtils.d(Logging.LOG_TAG, "oldest local message " + oldestLocalMessageDate);
|
||||
}
|
||||
}
|
||||
} finally {
|
||||
if (localOldestCursor != null) {
|
||||
localOldestCursor.close();
|
||||
}
|
||||
}
|
||||
|
||||
// Get all messages in our query date range:
|
||||
Message[] remoteMessages;
|
||||
remoteMessages = remoteFolder.getMessages(startDate, endDate, null);
|
||||
|
||||
// See if we need any additional messages beyond our date query range results.
|
||||
// If we do, keep increasing the size of our query window until we have
|
||||
// enough, or until we have all messages in the mailbox.
|
||||
LogUtils.d(Logging.LOG_TAG, "received " + remoteMessages.length + " messages");
|
||||
int totalCountNeeded = Math.max(remoteMessages.length, MINIMUM_MESSAGES_TO_SYNC);
|
||||
if (loadMore) {
|
||||
totalCountNeeded += LOAD_MORE_MIN_INCREMENT;
|
||||
}
|
||||
totalCountNeeded = Math.min(remoteMessageCount, totalCountNeeded);
|
||||
LogUtils.d(Logging.LOG_TAG, "need " + totalCountNeeded + " total");
|
||||
|
||||
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 > 0) {
|
||||
endDate = endDate - windowIncreaseSize;
|
||||
if (endDate < 0) {
|
||||
LogUtils.d(Logging.LOG_TAG, "window size too large, this is the last attempt");
|
||||
endDate = 0;
|
||||
}
|
||||
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);
|
||||
if (additionalMessages.length < additionalMessagesNeeded) {
|
||||
// We have attempted to load a window that goes all the way back to time zero,
|
||||
// but we still don't have as many messages as the server says are in the inbox.
|
||||
// This is not expected to happen.
|
||||
LogUtils.e(Logging.LOG_TAG, "expected to find " + additionalMessagesNeeded +
|
||||
" more messages, only got " + 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.
|
||||
*/
|
||||
// 9. 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.
|
||||
// we load 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());
|
||||
@ -538,7 +560,7 @@ public class ImapService extends Service {
|
||||
}
|
||||
}
|
||||
|
||||
// 9. Download basic info about the new/unloaded messages (if any)
|
||||
// 10. 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.
|
||||
@ -548,7 +570,8 @@ public class ImapService extends Service {
|
||||
localMessageMap, unseenMessages);
|
||||
}
|
||||
|
||||
// 10. Refresh the flags for any messages in the local store that we didn't just download.
|
||||
// 11. 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);
|
||||
@ -567,7 +590,7 @@ public class ImapService extends Service {
|
||||
}
|
||||
}
|
||||
|
||||
// 11. Update SEEN/FLAGGED/ANSWERED (star) flags (if supported remotely - e.g. not for POP3)
|
||||
// 12. 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());
|
||||
@ -601,7 +624,8 @@ public class ImapService extends Service {
|
||||
}
|
||||
}
|
||||
|
||||
// 12. Remove any messages that are in the local store but no longer on the remote store.
|
||||
// 13. Remove messages that are in the local store and in the current sync window,
|
||||
// but no longer on the remote store.
|
||||
final HashSet<String> localUidsToDelete = new HashSet<String>(localMessageMap.keySet());
|
||||
localUidsToDelete.removeAll(remoteUidMap.keySet());
|
||||
|
||||
@ -610,8 +634,7 @@ public class ImapService extends Service {
|
||||
|
||||
// Delete associated data (attachment files)
|
||||
// Attachment & Body records are auto-deleted when we delete the Message record
|
||||
AttachmentUtilities.deleteAllAttachmentFiles(context, account.mId,
|
||||
infoToDelete.mId);
|
||||
AttachmentUtilities.deleteAllAttachmentFiles(context, account.mId, infoToDelete.mId);
|
||||
|
||||
// Delete the message itself
|
||||
Uri uriToDelete = ContentUris.withAppendedId(
|
||||
@ -629,7 +652,11 @@ public class ImapService extends Service {
|
||||
|
||||
loadUnsyncedMessages(context, account, remoteFolder, unsyncedMessages, mailbox);
|
||||
|
||||
// 13. Clean up and report results
|
||||
if (fullSync) {
|
||||
mailbox.updateLastFullSyncTime(context, SystemClock.elapsedRealtime());
|
||||
}
|
||||
|
||||
// 14. Clean up and report results
|
||||
remoteFolder.close(false);
|
||||
}
|
||||
|
||||
@ -666,12 +693,13 @@ public class ImapService extends Service {
|
||||
/**
|
||||
* 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
|
||||
* 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) {
|
||||
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;
|
||||
@ -1100,6 +1128,7 @@ public class ImapService extends Service {
|
||||
context.getContentResolver().update(ContentUris.withAppendedId(
|
||||
EmailContent.Message.CONTENT_URI, newMessage.mId), cv, null, null);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onMessageNotFound(Message message) {
|
||||
}
|
||||
@ -1456,7 +1485,7 @@ public class ImapService extends Service {
|
||||
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
|
||||
// And create or reload the full message info.
|
||||
EmailContent.Message localMessage = new EmailContent.Message();
|
||||
try {
|
||||
// Copy the fields that are available into the message
|
||||
|
@ -134,7 +134,7 @@ public class PopImapSyncAdapterService extends Service {
|
||||
final int status;
|
||||
if (protocol.equals(legacyImapProtocol)) {
|
||||
status = ImapService.synchronizeMailboxSynchronous(context, account,
|
||||
mailbox, deltaMessageCount != 0);
|
||||
mailbox, deltaMessageCount != 0, uiRefresh);
|
||||
} else {
|
||||
status = Pop3Service.synchronizeMailboxSynchronous(context, account,
|
||||
mailbox, deltaMessageCount);
|
||||
|
Loading…
Reference in New Issue
Block a user