@Override
protected void onMessageShown(long messageId, Mailbox mailbox) {
super.onMessageShown(messageId, mailbox);
Account account = Account.restoreAccountWithId(mContext, getAccountId());
boolean supportsMove = account.supportsMoveMessages(mContext) && mailbox.canHaveMessagesMoved();
if (mSupportsMove != supportsMove) {
mSupportsMove = supportsMove;
Activity host = getActivity();
if (host != null) {
host.invalidateOptionsMenu();
}
}
// Disable forward/reply buttons as necessary.
enableReplyForwardButtons(Mailbox.isMailboxTypeReplyAndForwardable(mailbox.mType));
}
