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Fix "Empty trash" functionality for POP3 accounts

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Previously messages in the local Trash folder were marked as deleted,
then deleted from the server. During the next sync the placeholders for
deleted messages are removed from the database.
Obviously this doesn't work for POP3 accounts because the Trash folder
can't be synchronized with the server. So, for POP3, we now immediately
clear out all messages in that folder.
This commit is contained in:
cketti 2013-03-10 21:45:36 +01:00
parent 0319ee4a5d
commit 625c5f1874
1 changed files with 36 additions and 7 deletions
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29
src/com/fsck/k9/controller/MessagingController.java
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@ -80,6 +80,7 @@ import com.fsck.k9.mail.store.LocalStore;
import com.fsck.k9.mail.store.LocalStore.LocalFolder;
import com.fsck.k9.mail.store.LocalStore.LocalMessage;
import com.fsck.k9.mail.store.LocalStore.PendingCommand;
import com.fsck.k9.mail.store.Pop3Store;
import com.fsck.k9.mail.store.UnavailableAccountException;
import com.fsck.k9.mail.store.UnavailableStorageException;
import com.fsck.k9.provider.EmailProvider;
@ -4176,17 +4177,26 @@ public class MessagingController implements Runnable {
Store localStore = account.getLocalStore();
localFolder = (LocalFolder) localStore.getFolder(account.getTrashFolderName());
localFolder.open(OpenMode.READ_WRITE);
boolean isTrashLocalOnly = isTrashLocalOnly(account);
if (isTrashLocalOnly) {
localFolder.clearAllMessages();
} else {
localFolder.setFlags(new Flag[] { Flag.DELETED }, true);
}
for (MessagingListener l : getListeners()) {
l.emptyTrashCompleted(account);
}
if (!isTrashLocalOnly) {
List<String> args = new ArrayList<String>();
PendingCommand command = new PendingCommand();
command.command = PENDING_COMMAND_EMPTY_TRASH;
command.arguments = args.toArray(EMPTY_STRING_ARRAY);
queuePendingCommand(account, command);
processPendingCommands(account);
}
} catch (UnavailableStorageException e) {
Log.i(K9.LOG_TAG, "Failed to empty trash because storage is not available - trying again later.");
throw new UnavailableAccountException(e);
@ -4200,6 +4210,25 @@ public class MessagingController implements Runnable {
});
}
/**
* Find out whether the account type only supports a local Trash folder.
*
* <p>Note: Currently this is only the case for POP3 accounts.</p>
*
* @param account
* The account to check.
*
* @return {@code true} if the account only has a local Trash folder that is not synchronized
* with a folder on the server. {@code false} otherwise.
*
* @throws MessagingException
* In case of an error.
*/
private boolean isTrashLocalOnly(Account account) throws MessagingException {
// TODO: Get rid of the tight coupling once we properly support local folders
return (account.getRemoteStore() instanceof Pop3Store);
}
public void sendAlternate(final Context context, Account account, Message message) {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "About to load message " + account.getDescription() + ":" + message.getFolder().getName()