/**
* Persists this folder. We will always perform the proper database operation (e.g. 'save' or
* 'update'). As an optimization, if a folder has not been modified, no database operations are
* performed.
*/
void save(Context context) {
final Mailbox mailbox = mMailbox;
if (!mailbox.isSaved()) {
mailbox.save(context);
mHash = mailbox.getHashes();
} else {
Object[] hash = mailbox.getHashes();
if (!Arrays.equals(mHash, hash)) {
mailbox.update(context, mailbox.toContentValues());
mHash = hash; // Save updated hash
}
}
}
/// M: The folder sync must be synchronized, otherwise the folders may be duplicate
@Override
public synchronized void updateFolderList(long accountId) throws RemoteException {
/// M: We Can't updateFolderList in low storage state @{
if (StorageLowState.checkIfStorageLow(mContext)) {
LogUtils.e(Logging.LOG_TAG, "Can't updateFolderList due to low storage");
return;
}
/// @}
final Account account = Account.restoreAccountWithId(mContext, accountId);
if (account == null) {
return;
}
long inboxId = -1;
TrafficStats.setThreadStatsTag(TrafficFlags.getSyncFlags(mContext, account));
Cursor localFolderCursor = null;
try {
// Step 0: Make sure the default system mailboxes exist.
for (final int type : Mailbox.REQUIRED_FOLDER_TYPES) {
if (Mailbox.findMailboxOfType(mContext, accountId, type) == Mailbox.NO_MAILBOX) {
final Mailbox mailbox = Mailbox.newSystemMailbox(mContext, accountId, type);
mailbox.save(mContext);
if (type == Mailbox.TYPE_INBOX) {
inboxId = mailbox.mId;
}
}
}
// Step 1: Get remote mailboxes
final Store store = Store.getInstance(account, mContext);
final Folder[] remoteFolders = store.updateFolders();
final HashSet<String> remoteFolderNames = new HashSet<String>();
for (final Folder remoteFolder : remoteFolders) {
remoteFolderNames.add(remoteFolder.getName());
}
// Step 2: Get local mailboxes
localFolderCursor =
mContext
.getContentResolver()
.query(
Mailbox.CONTENT_URI,
MAILBOX_PROJECTION,
EmailContent.MailboxColumns.ACCOUNT_KEY + "=?",
new String[] {String.valueOf(account.mId)},
null);
// Step 3: Remove any local mailbox not on the remote list
while (localFolderCursor.moveToNext()) {
final String mailboxPath = localFolderCursor.getString(MAILBOX_COLUMN_SERVER_ID);
// Short circuit if we have a remote mailbox with the same name
if (remoteFolderNames.contains(mailboxPath)) {
continue;
}
final int mailboxType = localFolderCursor.getInt(MAILBOX_COLUMN_TYPE);
final long mailboxId = localFolderCursor.getLong(MAILBOX_COLUMN_ID);
switch (mailboxType) {
case Mailbox.TYPE_INBOX:
case Mailbox.TYPE_DRAFTS:
case Mailbox.TYPE_OUTBOX:
case Mailbox.TYPE_SENT:
case Mailbox.TYPE_TRASH:
case Mailbox.TYPE_SEARCH:
// Never, ever delete special mailboxes
break;
default:
// Drop all attachment files related to this mailbox
AttachmentUtilities.deleteAllMailboxAttachmentFiles(mContext, accountId, mailboxId);
// Delete the mailbox; database triggers take care of related
// Message, Body and Attachment records
Uri uri = ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailboxId);
mContext.getContentResolver().delete(uri, null, null);
break;
}
}
} catch (MessagingException me) {
LogUtils.i(Logging.LOG_TAG, me, "Error in updateFolderList");
// We'll hope this is temporary
} finally {
if (localFolderCursor != null) {
localFolderCursor.close();
}
// If we just created the inbox, sync it
if (inboxId != -1) {
startSync(inboxId, true, 0);
}
}
}
