* Renamed a function
[modest] / src / modest-mail-operation.c
index 6b26cfa..4f0f942 100644 (file)
@@ -35,6 +35,9 @@
 #include <tny-folder-store-query.h>
 #include <tny-camel-stream.h>
 #include <tny-camel-pop-store-account.h>
+#include <tny-camel-pop-folder.h>
+#include <tny-camel-imap-folder.h>
+#include <tny-camel-mem-stream.h>
 #include <tny-simple-list.h>
 #include <tny-send-queue.h>
 #include <tny-status.h>
@@ -48,6 +51,7 @@
 #include "modest-text-utils.h"
 #include "modest-tny-msg.h"
 #include "modest-tny-folder.h"
+#include "modest-tny-account-store.h"
 #include "modest-tny-platform-factory.h"
 #include "modest-marshal.h"
 #include "modest-error.h"
 
 #define KB 1024
 
+/* 
+ * Remove all these #ifdef stuff when the tinymail's idle calls become
+ * locked
+ */
+#define TINYMAIL_IDLES_NOT_LOCKED_YET 1
+
 /* 'private'/'protected' functions */
 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
 static void modest_mail_operation_init       (ModestMailOperation *obj);
@@ -63,17 +73,14 @@ static void modest_mail_operation_finalize   (GObject *obj);
 static void     get_msg_cb (TnyFolder *folder, 
                            gboolean cancelled, 
                            TnyMsg *msg, 
-                           GError **err, 
+                           GError *rr, 
                            gpointer user_data);
 
 static void     get_msg_status_cb (GObject *obj,
                                   TnyStatus *status,  
                                   gpointer user_data);
 
-static void     modest_mail_operation_notify_end (ModestMailOperation *self,
-                                                 gboolean need_lock);
-
-static gboolean did_a_cancel = FALSE;
+static void     modest_mail_operation_notify_end (ModestMailOperation *self);
 
 enum _ModestMailOperationSignals 
 {
@@ -123,9 +130,48 @@ typedef struct _XFerMsgAsyncHelper
        TnyList *headers;
        TnyFolder *dest_folder;
        XferMsgsAsynUserCallback user_callback; 
+       gboolean delete;
        gpointer user_data;
 } XFerMsgAsyncHelper;
 
+typedef void (*ModestMailOperationCreateMsgCallback) (ModestMailOperation *mail_op,
+                                                     TnyMsg *msg,
+                                                     gpointer userdata);
+
+static void          modest_mail_operation_create_msg (ModestMailOperation *self,
+                                                      const gchar *from, const gchar *to,
+                                                      const gchar *cc, const gchar *bcc,
+                                                      const gchar *subject, const gchar *plain_body,
+                                                      const gchar *html_body, const GList *attachments_list,
+                                                      TnyHeaderFlags priority_flags,
+                                                      ModestMailOperationCreateMsgCallback callback,
+                                                      gpointer userdata);
+
+static gboolean      idle_notify_queue (gpointer data);
+typedef struct
+{
+       ModestMailOperation *mail_op;
+       gchar *from;
+       gchar *to;
+       gchar *cc;
+       gchar *bcc;
+       gchar *subject;
+       gchar *plain_body;
+       gchar *html_body;
+       GList *attachments_list;
+       TnyHeaderFlags priority_flags;
+       ModestMailOperationCreateMsgCallback callback;
+       gpointer userdata;
+} CreateMsgInfo;
+
+typedef struct
+{
+       ModestMailOperation *mail_op;
+       TnyMsg *msg;
+       ModestMailOperationCreateMsgCallback callback;
+       gpointer userdata;
+} CreateMsgIdleInfo;
+
 /* globals */
 static GObjectClass *parent_class = NULL;
 
@@ -354,29 +400,27 @@ gboolean
 modest_mail_operation_cancel (ModestMailOperation *self)
 {
        ModestMailOperationPrivate *priv;
+       gboolean canceled = FALSE;
 
-       if (!MODEST_IS_MAIL_OPERATION (self)) {
-               g_warning ("%s: invalid parametter", G_GNUC_FUNCTION);
-               return FALSE;
-       }
+       g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
 
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
-       if (!priv) {
-               g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
-               return FALSE;
-       }
 
-       did_a_cancel = TRUE;
+       /* Note that if we call cancel with an already canceled mail
+          operation the progress changed signal won't be emitted */
+       if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
+               return FALSE;
 
        /* Set new status */
        priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
-
-       /* This emits progress-changed on which the mail operation queue is
-        * listening, so the mail operation is correctly removed from the
-        * queue without further explicit calls. */
-       modest_mail_operation_notify_end (self, FALSE);
        
-       return TRUE;
+       /* Cancel the mail operation. We need to wrap it between this
+          start/stop operations to allow following calls to the
+          account */
+       g_return_val_if_fail (priv->account, FALSE);
+       tny_account_cancel (priv->account);
+
+       return canceled;
 }
 
 guint 
@@ -523,7 +567,193 @@ modest_mail_operation_send_mail (ModestMailOperation *self,
 
        /* TODO: do this in the handler of the "msg-sent"
           signal.Notify about operation end */
-       modest_mail_operation_notify_end (self, FALSE);
+       modest_mail_operation_notify_end (self);
+}
+
+static gboolean
+idle_create_msg_cb (gpointer idle_data)
+{
+       CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
+
+       /* This is a GDK lock because we are an idle callback and
+        * info->callback can contain Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED */
+       info->callback (info->mail_op, info->msg, info->userdata);
+       gdk_threads_leave (); /* CHECKED */
+
+       g_object_unref (info->mail_op);
+       if (info->msg)
+               g_object_unref (info->msg);
+       g_slice_free (CreateMsgIdleInfo, info);
+
+       return FALSE;
+}
+
+static gpointer 
+create_msg_thread (gpointer thread_data)
+{
+       CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
+       TnyMsg *new_msg = NULL;
+       ModestMailOperationPrivate *priv;
+
+       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
+       if (info->html_body == NULL) {
+               new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
+                                             info->bcc, info->subject, info->plain_body, 
+                                             info->attachments_list); /* FIXME: attachments */
+       } else {
+               new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
+                                                        info->bcc, info->subject, info->html_body,
+                                                        info->plain_body, info->attachments_list);
+       }
+
+       if (new_msg) {
+               TnyHeader *header;
+               TnyHeaderFlags flags = 0;
+
+               /* Set priority flags in message */
+               header = tny_msg_get_header (new_msg);
+               if (info->priority_flags != 0)
+                       flags |= info->priority_flags;
+
+               /* Set attachment flags in message */
+               if (info->attachments_list != NULL)
+                       flags |= TNY_HEADER_FLAG_ATTACHMENTS;
+
+               tny_header_set_flags (header, flags);
+               g_object_unref (G_OBJECT(header));
+       } else {
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
+                            "modest: failed to create a new msg\n");
+       }
+
+
+       g_free (info->to);
+       g_free (info->from);
+       g_free (info->cc);
+       g_free (info->bcc);
+       g_free (info->plain_body);
+       g_free (info->html_body);
+       g_free (info->subject);
+       g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
+       g_list_free (info->attachments_list);
+
+       if (info->callback) {
+               CreateMsgIdleInfo *idle_info;
+               idle_info = g_slice_new0 (CreateMsgIdleInfo);
+               idle_info->mail_op = info->mail_op;
+               g_object_ref (info->mail_op);
+               idle_info->msg = new_msg;
+               if (new_msg)
+                       g_object_ref (new_msg);
+               idle_info->callback = info->callback;
+               idle_info->userdata = info->userdata;
+               g_idle_add (idle_create_msg_cb, idle_info);
+       } else {
+               g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
+       }
+
+       g_object_unref (info->mail_op);
+       g_slice_free (CreateMsgInfo, info);
+       return NULL;
+}
+
+void
+modest_mail_operation_create_msg (ModestMailOperation *self,
+                                 const gchar *from, const gchar *to,
+                                 const gchar *cc, const gchar *bcc,
+                                 const gchar *subject, const gchar *plain_body,
+                                 const gchar *html_body,
+                                 const GList *attachments_list,
+                                 TnyHeaderFlags priority_flags,
+                                 ModestMailOperationCreateMsgCallback callback,
+                                 gpointer userdata)
+{
+       CreateMsgInfo *info = NULL;
+
+       info = g_slice_new0 (CreateMsgInfo);
+       info->mail_op = self;
+       g_object_ref (self);
+
+       info->from = g_strdup (from);
+       info->to = g_strdup (to);
+       info->cc = g_strdup (cc);
+       info->bcc  = g_strdup (bcc);
+       info->subject = g_strdup (subject);
+       info->plain_body = g_strdup (plain_body);
+       info->html_body = g_strdup (html_body);
+       info->attachments_list = g_list_copy ((GList *) attachments_list);
+       g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
+       info->priority_flags = priority_flags;
+
+       info->callback = callback;
+       info->userdata = userdata;
+
+       g_thread_create (create_msg_thread, info, FALSE, NULL);
+}
+
+typedef struct
+{
+       TnyTransportAccount *transport_account;
+       TnyMsg *draft_msg;
+} SendNewMailInfo;
+
+static void
+modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
+                                       TnyMsg *msg,
+                                       gpointer userdata)
+{
+       SendNewMailInfo *info = (SendNewMailInfo *) userdata;
+       TnyFolder *draft_folder = NULL;
+       TnyFolder *outbox_folder = NULL;
+       TnyHeader *header;
+
+       if (!msg) {
+               goto end;
+       }
+
+       /* Call mail operation */
+       modest_mail_operation_send_mail (self, info->transport_account, msg);
+
+       /* Remove old mail from its source folder */
+       draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
+       outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_OUTBOX);
+       if (info->draft_msg != NULL) {
+               TnyFolder *folder = NULL;
+               TnyFolder *src_folder = NULL;
+               TnyFolderType folder_type;              
+               folder = tny_msg_get_folder (info->draft_msg);          
+               if (folder == NULL) goto end;
+               folder_type = modest_tny_folder_guess_folder_type (folder);
+               if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
+                       src_folder = outbox_folder;
+               else 
+                       src_folder = draft_folder;
+
+               /* Note: This can fail (with a warning) if the message is not really already in a folder,
+                * because this function requires it to have a UID. */          
+               header = tny_msg_get_header (info->draft_msg);
+               tny_folder_remove_msg (src_folder, header, NULL);
+               tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
+               tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
+               g_object_unref (header);
+               g_object_unref (folder);
+       }
+
+end:
+       if (info->draft_msg)
+               g_object_unref (info->draft_msg);
+       if (draft_folder)
+               g_object_unref (draft_folder);
+       if (outbox_folder)
+               g_object_unref (outbox_folder);
+       if (info->transport_account)
+               g_object_unref (info->transport_account);
+       g_slice_free (SendNewMailInfo, info);
+       modest_mail_operation_notify_end (self);
 }
 
 void
@@ -537,10 +767,8 @@ modest_mail_operation_send_new_mail (ModestMailOperation *self,
                                     const GList *attachments_list,
                                     TnyHeaderFlags priority_flags)
 {
-       TnyMsg *new_msg = NULL;
-       TnyFolder *folder = NULL;
-       TnyHeader *header = NULL;
        ModestMailOperationPrivate *priv = NULL;
+       SendNewMailInfo *info;
 
        g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
        g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
@@ -556,69 +784,38 @@ modest_mail_operation_send_new_mail (ModestMailOperation *self,
                             _("Error trying to send a mail. You need to set at least one recipient"));
                return;
        }
+       info = g_slice_new0 (SendNewMailInfo);
+       info->transport_account = transport_account;
+       if (transport_account)
+               g_object_ref (transport_account);
+       info->draft_msg = draft_msg;
+       if (draft_msg)
+               g_object_ref (draft_msg);
+       modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
+                                         attachments_list, priority_flags,
+                                         modest_mail_operation_send_new_mail_cb, info);
 
-       if (html_body == NULL) {
-               new_msg = modest_tny_msg_new (to, from, cc, bcc, subject, plain_body, (GSList *) attachments_list); /* FIXME: attachments */
-       } else {
-               new_msg = modest_tny_msg_new_html_plain (to, from, cc, bcc, subject, html_body, plain_body, (GSList *) attachments_list);
-       }
-       if (!new_msg) {
-               g_printerr ("modest: failed to create a new msg\n");
-               return;
-       }
-
-       /* Set priority flags in message */
-       header = tny_msg_get_header (new_msg);
-       if (priority_flags != 0)
-               tny_header_set_flags (header, priority_flags);
-
-       /* Call mail operation */
-       modest_mail_operation_send_mail (self, transport_account, new_msg);
-
-       folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (transport_account), TNY_FOLDER_TYPE_DRAFTS);
-       if (folder) {
-               if (draft_msg != NULL) {
-                       header = tny_msg_get_header (draft_msg);
-                       /* Note: This can fail (with a warning) if the message is not really already in a folder,
-                        * because this function requires it to have a UID. */
-                       tny_folder_remove_msg (folder, header, NULL);
-                       g_object_unref (header);
-               }
-       }
-
-       /* Free */
-       g_object_unref (G_OBJECT (new_msg));
 }
 
-void
-modest_mail_operation_save_to_drafts (ModestMailOperation *self,
-                                     TnyTransportAccount *transport_account,
-                                     TnyMsg *draft_msg,
-                                     const gchar *from,  const gchar *to,
-                                     const gchar *cc,  const gchar *bcc,
-                                     const gchar *subject, const gchar *plain_body,
-                                     const gchar *html_body,
-                                     const GList *attachments_list,
-                                     TnyHeaderFlags priority_flags)
+typedef struct
+{
+       TnyTransportAccount *transport_account;
+       TnyMsg *draft_msg;
+       ModestMsgEditWindow *edit_window;
+} SaveToDraftsInfo;
+
+static void
+modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
+                                        TnyMsg *msg,
+                                        gpointer userdata)
 {
-       TnyMsg *msg = NULL;
+       TnyFolder *src_folder = NULL;
        TnyFolder *folder = NULL;
        TnyHeader *header = NULL;
        ModestMailOperationPrivate *priv = NULL;
-
-       g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
-       g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
+       SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
 
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
-
-       /* Get account and set it into mail_operation */
-       priv->account = g_object_ref (transport_account);
-
-       if (html_body == NULL) {
-               msg = modest_tny_msg_new (to, from, cc, bcc, subject, plain_body, (GSList *) attachments_list); /* FIXME: attachments */
-       } else {
-               msg = modest_tny_msg_new_html_plain (to, from, cc, bcc, subject, html_body, plain_body, (GSList *) attachments_list);
-       }
        if (!msg) {
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
@@ -627,11 +824,7 @@ modest_mail_operation_save_to_drafts (ModestMailOperation *self,
                goto end;
        }
 
-       /* add priority flags */
-       header = tny_msg_get_header (msg);
-       tny_header_set_flags (header, priority_flags);
-
-       folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (transport_account), TNY_FOLDER_TYPE_DRAFTS);
+       folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
        if (!folder) {
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
@@ -640,29 +833,81 @@ modest_mail_operation_save_to_drafts (ModestMailOperation *self,
                goto end;
        }
 
-       if (draft_msg != NULL) {
-               header = tny_msg_get_header (draft_msg);
+       if (!priv->error)
+               tny_folder_add_msg (folder, msg, &(priv->error));
+
+       if ((!priv->error) && (info->draft_msg != NULL)) {
+               header = tny_msg_get_header (info->draft_msg);
+               src_folder = tny_header_get_folder (header); 
                /* Remove the old draft expunging it */
-               tny_folder_remove_msg (folder, header, NULL);
-               tny_folder_sync (folder, TRUE, &(priv->error));
+               tny_folder_remove_msg (src_folder, header, NULL);
+               tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
+               tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
+               tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
                g_object_unref (header);
        }
        
        if (!priv->error)
-               tny_folder_add_msg (folder, msg, &(priv->error));
-
-       if (!priv->error)
                priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
        else
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 
+       if (info->edit_window)
+               modest_msg_edit_window_set_draft (info->edit_window, msg);
+
+
 end:
-       if (msg)
-               g_object_unref (G_OBJECT(msg));
        if (folder)
                g_object_unref (G_OBJECT(folder));
+       if (src_folder)
+               g_object_unref (G_OBJECT(src_folder));
+       if (info->edit_window)
+               g_object_unref (G_OBJECT(info->edit_window));
+       if (info->draft_msg)
+               g_object_unref (G_OBJECT (info->draft_msg));
+       if (info->transport_account)
+               g_object_unref (G_OBJECT(info->transport_account));
+       g_slice_free (SaveToDraftsInfo, info);
+
+       modest_mail_operation_notify_end (self);
+}
+
+void
+modest_mail_operation_save_to_drafts (ModestMailOperation *self,
+                                     TnyTransportAccount *transport_account,
+                                     TnyMsg *draft_msg,
+                                     ModestMsgEditWindow *edit_window,
+                                     const gchar *from,  const gchar *to,
+                                     const gchar *cc,  const gchar *bcc,
+                                     const gchar *subject, const gchar *plain_body,
+                                     const gchar *html_body,
+                                     const GList *attachments_list,
+                                     TnyHeaderFlags priority_flags)
+{
+       ModestMailOperationPrivate *priv = NULL;
+       SaveToDraftsInfo *info = NULL;
+
+       g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
+       g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
+
+       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
+
+       /* Get account and set it into mail_operation */
+       priv->account = g_object_ref (transport_account);
+
+       info = g_slice_new0 (SaveToDraftsInfo);
+       info->transport_account = g_object_ref (transport_account);
+       info->draft_msg = draft_msg;
+       if (draft_msg)
+               g_object_ref (draft_msg);
+       info->edit_window = edit_window;
+       if (edit_window)
+               g_object_ref (edit_window);
+
+       modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
+                                         attachments_list, priority_flags,
+                                         modest_mail_operation_save_to_drafts_cb, info);
 
-       modest_mail_operation_notify_end (self, FALSE);
 }
 
 typedef struct 
@@ -676,8 +921,18 @@ typedef struct
        gchar *account_name;
        UpdateAccountCallback callback;
        gpointer user_data;
+       gint new_headers;
 } UpdateAccountInfo;
 
+typedef struct
+{
+       ModestMailOperation *mail_op;
+       TnyMimePart *mime_part;
+       gssize size;
+       GetMimePartSizeCallback callback;
+       gpointer userdata;
+} GetMimePartSizeInfo;
+
 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
 /* We use this folder observer to track the headers that have been
  * added to a folder */
@@ -701,9 +956,6 @@ G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
 static void
 foreach_add_item (gpointer header, gpointer user_data)
 {
-       /* printf("DEBUG: %s: header subject=%s\n", 
-        * __FUNCTION__, tny_header_get_subject(TNY_HEADER(header)));
-        */
        tny_list_prepend (TNY_LIST (user_data), 
                          g_object_ref (G_OBJECT (header)));
 }
@@ -725,10 +977,6 @@ internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *chang
                list = tny_simple_list_new ();
                tny_folder_change_get_added_headers (change, list);
 
-               /* printf ("DEBUG: %s: Calling foreach with a list of size=%d\n", 
-                *      __FUNCTION__, tny_list_get_length(list));
-                */
-                
                /* Add them to the folder observer */
                tny_list_foreach (list, foreach_add_item, 
                                  derived->new_headers);
@@ -781,10 +1029,11 @@ recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all
        while (!tny_iterator_is_done (iter)) {
 
                TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
-
-               tny_list_prepend (all_folders, G_OBJECT (folder));
-               recurse_folders (folder, query, all_folders);    
-               g_object_unref (G_OBJECT (folder));
+               if (folder) {
+                       tny_list_prepend (all_folders, G_OBJECT (folder));
+                       recurse_folders (folder, query, all_folders);    
+                       g_object_unref (G_OBJECT (folder));
+               }
 
                tny_iterator_next (iter);
        }
@@ -803,7 +1052,14 @@ idle_notify_progress (gpointer data)
        ModestMailOperationState *state;
 
        state = modest_mail_operation_clone_state (mail_op);
+
+       /* This is a GDK lock because we are an idle callback and
+        * the handlers of this signal can contain Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED */
        g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
+       gdk_threads_leave (); /* CHECKED */
+
        g_slice_free (ModestMailOperationState, state);
        
        return TRUE;
@@ -821,7 +1077,12 @@ idle_notify_progress_once (gpointer data)
 
        pair = (ModestPair *) data;
 
+       /* This is a GDK lock because we are an idle callback and
+        * the handlers of this signal can contain Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED */
        g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
+       gdk_threads_leave (); /* CHECKED */
 
        /* Free the state and the reference to the mail operation */
        g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
@@ -831,19 +1092,16 @@ idle_notify_progress_once (gpointer data)
 }
 
 /* 
- * Used by update_account_thread to notify the queue from the main
+ * Used to notify the queue from the main
  * loop. We call it inside an idle call to achieve that
  */
 static gboolean
-idle_notify_update_account_queue (gpointer data)
+idle_notify_queue (gpointer data)
 {
        ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
-       ModestMailOperationPrivate *priv = NULL;
-
-       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_op);
 
        /* Do not need to block, the notify end will do it for us */    
-       modest_mail_operation_notify_end (mail_op, TRUE);
+       modest_mail_operation_notify_end (mail_op);
        g_object_unref (mail_op);
 
        return FALSE;
@@ -873,33 +1131,63 @@ compare_headers_by_date (gconstpointer a,
 static gboolean 
 set_last_updated_idle (gpointer data)
 {
-       gdk_threads_enter ();
+
+       /* This is a GDK lock because we are an idle callback and
+        * modest_account_mgr_set_int can contain Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED - please recheck */
 
        /* It does not matter if the time is not exactly the same than
           the time when this idle was called, it's just an
           approximation and it won't be very different */
+
        modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
                                    (gchar *) data, 
                                    MODEST_ACCOUNT_LAST_UPDATED, 
                                    time(NULL), 
                                    TRUE);
 
-       gdk_threads_leave ();
+       gdk_threads_leave (); /* CHECKED - please recheck */
 
        return FALSE;
 }
 
+static gboolean
+idle_update_account_cb (gpointer data)
+{
+       UpdateAccountInfo *idle_info;
+
+       idle_info = (UpdateAccountInfo *) data;
+
+       /* This is a GDK lock because we are an idle callback and
+        * idle_info->callback can contain Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED */
+       idle_info->callback (idle_info->mail_op,
+                            idle_info->new_headers,
+                            idle_info->user_data);
+       gdk_threads_leave (); /* CHECKED */
+
+       /* Frees */
+       g_object_unref (idle_info->mail_op);
+       g_free (idle_info);
+
+       return FALSE;
+}
+
+
 static gpointer
 update_account_thread (gpointer thr_user_data)
 {
        static gboolean first_time = TRUE;
-       UpdateAccountInfo *info;
+       UpdateAccountInfo *info = NULL;
        TnyList *all_folders = NULL;
        GPtrArray *new_headers = NULL;
        TnyIterator *iter = NULL;
        TnyFolderStoreQuery *query = NULL;
        ModestMailOperationPrivate *priv = NULL;
        ModestTnySendQueue *send_queue = NULL;
+       gint num_new_headers = 0;
 
        info = (UpdateAccountInfo *) thr_user_data;
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
@@ -908,11 +1196,17 @@ update_account_thread (gpointer thr_user_data)
        priv->account = g_object_ref (info->account);
 
        /*
-        * for POP3, we do a logout-login upon send/receive -- many POP-servers (like Gmail) do not
-        * show any updates unless we do that
+        * Previousl, we did this for POP3, to do a logout-login upon send/receive, 
+        * because many POP-servers (like Gmail) do not
+        * show any updates unless we do that.
+        * But that didn't work with gmail anyway, 
+        * and tinymail now takes care of this itself by disconnecting 
+        * automatically after using the connection.
         */
-       if (!first_time && TNY_IS_CAMEL_POP_STORE_ACCOUNT(priv->account)) 
+       /*
+       if (!first_time && TNY_IS_CAMEL_POP_STORE_ACCOUNT (priv->account)) 
                tny_camel_pop_store_account_reconnect (TNY_CAMEL_POP_STORE_ACCOUNT(priv->account));
+       */
 
        /* Get all the folders. We can do it synchronously because
           we're already running in a different thread than the UI */
@@ -931,8 +1225,10 @@ update_account_thread (gpointer thr_user_data)
        iter = tny_list_create_iterator (all_folders);
        while (!tny_iterator_is_done (iter)) {
                TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
-
-               recurse_folders (folder, query, all_folders);
+               if (folder) {
+                       recurse_folders (folder, query, all_folders);
+                       g_object_unref (folder);
+               }
                tny_iterator_next (iter);
        }
        g_object_unref (G_OBJECT (iter));
@@ -946,10 +1242,12 @@ update_account_thread (gpointer thr_user_data)
        gint timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
 
        /* Refresh folders */
+       num_new_headers = 0;
        new_headers = g_ptr_array_new ();
        iter = tny_list_create_iterator (all_folders);
 
-       while (!tny_iterator_is_done (iter) && !priv->error && !did_a_cancel) {
+       while (!tny_iterator_is_done (iter) && !priv->error && 
+              priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
 
                InternalFolderObserver *observer;
                TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
@@ -996,22 +1294,21 @@ update_account_thread (gpointer thr_user_data)
                g_object_unref (observer);
                observer = NULL;                        
 
-               g_object_unref (G_OBJECT (folder));
+               if (folder)
+                       g_object_unref (G_OBJECT (folder));
+
                if (priv->error)
-               {
                        priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
-                       goto out;
-               }
-               
+
                tny_iterator_next (iter);
        }
 
-       did_a_cancel = FALSE;
-
        g_object_unref (G_OBJECT (iter));
        g_source_remove (timeout);
 
-       if (new_headers->len > 0) {
+       if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
+           priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
+           new_headers->len > 0) {
                gint msg_num = 0;
 
                /* Order by date */
@@ -1059,12 +1356,17 @@ update_account_thread (gpointer thr_user_data)
 
                        msg_num++;
                }
-               g_ptr_array_foreach (new_headers, (GFunc) g_object_unref, NULL);
-               g_ptr_array_free (new_headers, FALSE);
        }
+
+       /* Get the number of new headers and free them */
+       num_new_headers = new_headers->len;
+       g_ptr_array_foreach (new_headers, (GFunc) g_object_unref, NULL);
+       g_ptr_array_free (new_headers, FALSE);
        
-       /* Perform send */
-       priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND;
+       if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
+               goto out;
+
+       /* Perform send (if operation was not cancelled) */
        priv->done = 0;
        priv->total = 0;
        if (priv->account != NULL) 
@@ -1073,9 +1375,7 @@ update_account_thread (gpointer thr_user_data)
        
        send_queue = modest_runtime_get_send_queue (info->transport_account);
        if (send_queue) {
-               timeout = g_timeout_add (250, idle_notify_progress, info->mail_op);
                modest_tny_send_queue_try_to_send (send_queue);
-               g_source_remove (timeout);
        } else {
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
                             MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
@@ -1096,20 +1396,24 @@ update_account_thread (gpointer thr_user_data)
        }
 
  out:
-       /* Notify about operation end. Note that the info could be
-          freed before this idle happens, but the mail operation will
-          be still alive */
-       g_idle_add (idle_notify_update_account_queue, g_object_ref (info->mail_op));
 
        if (info->callback) {
+               UpdateAccountInfo *idle_info;
+
                /* This thread is not in the main lock */
-               gdk_threads_enter ();
-               info->callback (info->mail_op, 
-                               (new_headers) ? new_headers->len : 0, 
-                               info->user_data);
-               gdk_threads_leave ();
+               idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
+               idle_info->mail_op = g_object_ref (info->mail_op);
+               idle_info->new_headers = num_new_headers;
+               idle_info->callback = info->callback;
+               idle_info->user_data = info->user_data;
+               g_idle_add (idle_update_account_cb, idle_info);
        }
-       
+
+       /* Notify about operation end. Note that the info could be
+          freed before this idle happens, but the mail operation will
+          be still alive */
+       g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
+
        /* Frees */
        g_object_unref (query);
        g_object_unref (all_folders);
@@ -1129,12 +1433,12 @@ modest_mail_operation_update_account (ModestMailOperation *self,
                                      UpdateAccountCallback callback,
                                      gpointer user_data)
 {
-       GThread *thread;
-       UpdateAccountInfo *info;
-       ModestMailOperationPrivate *priv;
-       ModestAccountMgr *mgr;
-       TnyStoreAccount *modest_account;
-       TnyTransportAccount *transport_account;
+       GThread *thread = NULL;
+       UpdateAccountInfo *info = NULL;
+       ModestMailOperationPrivate *priv = NULL;
+       ModestAccountMgr *mgr = NULL;
+       TnyStoreAccount *store_account = NULL;
+       TnyTransportAccount *transport_account = NULL;
 
        g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
        g_return_val_if_fail (account_name, FALSE);
@@ -1147,20 +1451,20 @@ modest_mail_operation_update_account (ModestMailOperation *self,
        priv->done  = 0;
        priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 
+       /* Get the Modest account */
+       store_account = (TnyStoreAccount *)
+               modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
+                                                                    account_name,
+                                                                    TNY_ACCOUNT_TYPE_STORE);
+                                                                    
        /* Make sure that we have a connection, and request one 
         * if necessary:
         * TODO: Is there some way to trigger this for every attempt to 
         * use the network? */
-       if (!modest_platform_connect_and_wait(NULL))
+       if (!modest_platform_connect_and_wait (NULL, TNY_ACCOUNT (store_account)))
                goto error;
 
-       /* Get the Modest account */
-       modest_account = (TnyStoreAccount *)
-               modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
-                                                                    account_name,
-                                                                    TNY_ACCOUNT_TYPE_STORE);
-
-       if (!modest_account) {
+       if (!store_account) {
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
                             MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
                             "cannot get tny store account for %s\n", account_name);
@@ -1183,7 +1487,7 @@ modest_mail_operation_update_account (ModestMailOperation *self,
        /* Create the helper object */
        info = g_slice_new (UpdateAccountInfo);
        info->mail_op = self;
-       info->account = modest_account;
+       info->account = store_account;
        info->transport_account = transport_account;
        info->callback = callback;
        info->user_data = user_data;
@@ -1221,7 +1525,7 @@ modest_mail_operation_update_account (ModestMailOperation *self,
        priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
        if (callback) 
                callback (self, 0, user_data);
-       modest_mail_operation_notify_end (self, FALSE);
+       modest_mail_operation_notify_end (self);
        return FALSE;
 }
 
@@ -1238,11 +1542,28 @@ modest_mail_operation_create_folder (ModestMailOperation *self,
        ModestMailOperationPrivate *priv;
        TnyFolder *new_folder = NULL;
 
+       TnyList *list = tny_simple_list_new ();
+       TnyFolderStoreQuery *query = tny_folder_store_query_new ();
+
        g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
        g_return_val_if_fail (name, NULL);
        
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 
+       /* Check for already existing folder */
+       tny_folder_store_query_add_item (query, name, TNY_FOLDER_STORE_QUERY_OPTION_MATCH_ON_NAME);
+       tny_folder_store_get_folders (parent, list, query, NULL);
+       g_object_unref (G_OBJECT (query));
+
+       if (tny_list_get_length (list) > 0) {
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
+                            _CS("ckdg_ib_folder_already_exists"));
+       }
+
+       g_object_unref (G_OBJECT (list));
+
        /* Check parent */
        if (TNY_IS_FOLDER (parent)) {
                /* Check folder rules */
@@ -1272,7 +1593,7 @@ modest_mail_operation_create_folder (ModestMailOperation *self,
        }
 
        /* Notify about operation end */
-       modest_mail_operation_notify_end (self, FALSE);
+       modest_mail_operation_notify_end (self);
 
        return new_folder;
 }
@@ -1312,8 +1633,12 @@ modest_mail_operation_remove_folder (ModestMailOperation *self,
                trash_folder = modest_tny_account_get_special_folder (account,
                                                                      TNY_FOLDER_TYPE_TRASH);
                /* TODO: error_handling */
-                modest_mail_operation_xfer_folder (self, folder,
-                                                   TNY_FOLDER_STORE (trash_folder), TRUE);
+               if (trash_folder) {
+                       modest_mail_operation_xfer_folder (self, folder,
+                                                   TNY_FOLDER_STORE (trash_folder), 
+                                                   TRUE, NULL, NULL);
+                       g_object_unref (trash_folder);
+               }
        } else {
                TnyFolderStore *parent = tny_folder_get_folder_store (folder);
 
@@ -1327,7 +1652,7 @@ modest_mail_operation_remove_folder (ModestMailOperation *self,
 
  end:
        /* Notify about operation end */
-       modest_mail_operation_notify_end (self, FALSE);
+       modest_mail_operation_notify_end (self);
 }
 
 static void
@@ -1338,42 +1663,54 @@ transfer_folder_status_cb (GObject *obj,
        ModestMailOperation *self;
        ModestMailOperationPrivate *priv;
        ModestMailOperationState *state;
+       XFerMsgAsyncHelper *helper;
 
        g_return_if_fail (status != NULL);
        g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
 
-       self = MODEST_MAIL_OPERATION (user_data);
-       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
+       helper = (XFerMsgAsyncHelper *) user_data;
+       g_return_if_fail (helper != NULL);
 
-       if ((status->position == 1) && (status->of_total == 100))
-               return;
+       self = helper->mail_op;
+       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
        priv->done = status->position;
        priv->total = status->of_total;
 
        state = modest_mail_operation_clone_state (self);
-       g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
+
+       /* This is not a GDK lock because we are a Tinymail callback
+        * which is already GDK locked by Tinymail */
+
+       /* no gdk_threads_enter (), CHECKED */
+
+       g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
+
+       /* no gdk_threads_leave (), CHECKED */
+
        g_slice_free (ModestMailOperationState, state);
 }
 
 
 static void
-transfer_folder_cb (TnyFolder *folder, 
+transfer_folder_cb (TnyFolder *folder, gboolean cancelled, 
                    TnyFolderStore *into, 
-                   gboolean cancelled, 
                    TnyFolder *new_folder, 
-                   GError **err, 
+                   GError *err, 
                    gpointer user_data)
 {
+       XFerMsgAsyncHelper *helper;
        ModestMailOperation *self = NULL;
        ModestMailOperationPrivate *priv = NULL;
 
-       self = MODEST_MAIL_OPERATION (user_data);
+       helper = (XFerMsgAsyncHelper *) user_data;
+       g_return_if_fail (helper != NULL);       
 
-       priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
+       self = helper->mail_op;
+       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
-       if (*err) {
-               priv->error = g_error_copy (*err);
+       if (err) {
+               priv->error = g_error_copy (err);
                priv->done = 0;
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
        } else if (cancelled) {
@@ -1387,27 +1724,110 @@ transfer_folder_cb (TnyFolder *folder,
                priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
        }
                
+       /* Notify about operation end */
+       modest_mail_operation_notify_end (self);
+
+       /* If user defined callback function was defined, call it */
+       if (helper->user_callback) {
+
+               /* This is not a GDK lock because we are a Tinymail callback
+                * which is already GDK locked by Tinymail */
+
+               /* no gdk_threads_enter (), CHECKED */
+               helper->user_callback (priv->source, helper->user_data);
+               /* no gdk_threads_leave () , CHECKED */
+       }
+
        /* Free */
-       g_object_unref (folder);
-       g_object_unref (into);
+       g_object_unref (helper->mail_op);
+       g_slice_free   (XFerMsgAsyncHelper, helper);
+}
 
-       /* Notify about operation end */
-       modest_mail_operation_notify_end (self, TRUE);
+/**
+ *
+ * This function checks if the new name is a valid name for our local
+ * folders account. The new name could not be the same than then name
+ * of any of the mandatory local folders
+ *
+ * We can not rely on tinymail because tinymail does not check the
+ * name of the virtual folders that the account could have in the case
+ * that we're doing a rename (because it directly calls Camel which
+ * knows nothing about our virtual folders). 
+ *
+ * In the case of an actual copy/move (i.e. move/copy a folder between
+ * accounts) tinymail uses the tny_folder_store_create_account which
+ * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
+ * checks the new name of the folder, so this call in that case
+ * wouldn't be needed. *But* NOTE that if tinymail changes its
+ * implementation (if folder transfers within the same account is no
+ * longer implemented as a rename) this call will allow Modest to work
+ * perfectly
+ *
+ * If the new name is not valid, this function will set the status to
+ * failed and will set also an error in the mail operation
+ */
+static gboolean
+new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
+                                TnyFolderStore *into,
+                                const gchar *new_name)
+{
+       if (TNY_IS_ACCOUNT (into) && 
+           modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
+           modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
+                                                                new_name)) {
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
+                            _("FIXME: folder name already in use"));
+               return FALSE;
+       } else
+               return TRUE;
+}
+
+/**
+ * This function checks if @ancestor is an acestor of @folder and
+ * returns TRUE in that case
+ */
+static gboolean
+folder_is_ancestor (TnyFolder *folder,
+                   TnyFolderStore *ancestor)
+{
+       TnyFolder *tmp = NULL;
+       gboolean found = FALSE;
+
+       tmp = folder;
+       while (!found && tmp && !TNY_IS_ACCOUNT (tmp)) {
+               TnyFolderStore *folder_store;
+
+               folder_store = tny_folder_get_folder_store (tmp);
+               if (ancestor == folder_store)
+                       found = TRUE;
+               else
+                       tmp = g_object_ref (folder_store);
+               g_object_unref (folder_store);
+       }
+       return found;
 }
 
 void
 modest_mail_operation_xfer_folder (ModestMailOperation *self,
                                   TnyFolder *folder,
                                   TnyFolderStore *parent,
-                                  gboolean delete_original)
+                                  gboolean delete_original,
+                                  XferMsgsAsynUserCallback user_callback,
+                                  gpointer user_data)
 {
        ModestMailOperationPrivate *priv = NULL;
-       ModestTnyFolderRules parent_rules = 0, rules = 0;
+       ModestTnyFolderRules parent_rules = 0, rules; 
+       XFerMsgAsyncHelper *helper = NULL;
+       const gchar *folder_name = NULL;
 
        g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
        g_return_if_fail (TNY_IS_FOLDER (folder));
+       g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
 
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
+       folder_name = tny_folder_get_name (folder);
 
        /* Get account and set it into mail_operation */
        priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
@@ -1419,7 +1839,10 @@ modest_mail_operation_xfer_folder (ModestMailOperation *self,
                parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
        
        /* The moveable restriction is applied also to copy operation */
-       if ((!TNY_IS_FOLDER_STORE (parent)) || (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
+       if ((gpointer) parent == (gpointer) folder ||
+           (!TNY_IS_FOLDER_STORE (parent)) || 
+           (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
+
                /* Set status failed and set an error */
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
@@ -1427,9 +1850,11 @@ modest_mail_operation_xfer_folder (ModestMailOperation *self,
                             _("mail_in_ui_folder_move_target_error"));
 
                /* Notify the queue */
-               modest_mail_operation_notify_end (self, FALSE);
+               modest_mail_operation_notify_end (self);
+
        } else if (TNY_IS_FOLDER (parent) && 
                   (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
+
                /* Set status failed and set an error */
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
@@ -1437,21 +1862,65 @@ modest_mail_operation_xfer_folder (ModestMailOperation *self,
                             _("FIXME: parent folder does not accept new folders"));
 
                /* Notify the queue */
-               modest_mail_operation_notify_end (self, FALSE);
-       } else {
-               /* Pick references for async calls */
-               g_object_ref (folder);
-               g_object_ref (parent);
+               modest_mail_operation_notify_end (self);
 
+       } else if (TNY_IS_FOLDER (parent) &&
+                  TNY_IS_FOLDER_STORE (folder) &&
+                  folder_is_ancestor (TNY_FOLDER (parent), TNY_FOLDER_STORE (folder))) {
+               /* Set status failed and set an error */
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
+                            _("mail_in_ui_folder_copy_target_error"));
+
+               /* Notify the queue */
+               modest_mail_operation_notify_end (self);
+
+       } else if (TNY_IS_FOLDER_STORE (parent) &&
+                  modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
+               /* Check that the new folder name is not used by any
+                   parent subfolder */
+
+               /* Set status failed and set an error */
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
+                            _("mail_in_ui_folder_move_target_error"));
+
+               /* Notify the queue */
+               modest_mail_operation_notify_end (self);
+               
+       } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
+               /* Check that the new folder name is not used by any
+                  special local folder */
+
+               /* Set status failed and set an error */
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
+                            _("mail_in_ui_folder_move_target_error"));
+
+               /* Notify the queue */
+               modest_mail_operation_notify_end (self);
+       } else {
+               /* Create the helper */
+               helper = g_slice_new0 (XFerMsgAsyncHelper);
+               helper->mail_op = g_object_ref(self);
+               helper->dest_folder = NULL;
+               helper->headers = NULL;
+               helper->user_callback = user_callback;
+               helper->user_data = user_data;
+               
                /* Move/Copy folder */          
                tny_folder_copy_async (folder,
                                       parent,
                                       tny_folder_get_name (folder),
-                                      delete_original,
+                                              delete_original,
                                       transfer_folder_cb,
                                       transfer_folder_status_cb,
-                                      self);
-       }
+                                      helper);
+       } 
+       
 }
 
 void
@@ -1461,6 +1930,7 @@ modest_mail_operation_rename_folder (ModestMailOperation *self,
 {
        ModestMailOperationPrivate *priv;
        ModestTnyFolderRules rules;
+       XFerMsgAsyncHelper *helper;
 
        g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
        g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
@@ -1481,27 +1951,41 @@ modest_mail_operation_rename_folder (ModestMailOperation *self,
                             _("FIXME: unable to rename"));
 
                /* Notify about operation end */
-               modest_mail_operation_notify_end (self, FALSE);
+               modest_mail_operation_notify_end (self);
        } else if (!strcmp (name, " ") || strchr (name, '/')) {
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
                             MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
                             _("FIXME: unable to rename"));
                /* Notify about operation end */
-               modest_mail_operation_notify_end (self, FALSE);
+               modest_mail_operation_notify_end (self);
        } else {
                TnyFolderStore *into;
 
-               /* Rename. Camel handles folder subscription/unsubscription */
-               into = tny_folder_get_folder_store (folder);
-               tny_folder_copy_async (folder, into, name, TRUE,
-                                transfer_folder_cb,
-                                transfer_folder_status_cb,
-                                self);
-               if (into)
-                       g_object_unref (into);          
+               into = tny_folder_get_folder_store (folder);    
+
+               /* Check that the new folder name is not used by any
+                  special local folder */
+               if (new_name_valid_if_local_account (priv, into, name)) {
+                       /* Create the helper */
+                       helper = g_slice_new0 (XFerMsgAsyncHelper);
+                       helper->mail_op = g_object_ref(self);
+                       helper->dest_folder = NULL;
+                       helper->headers = NULL;
+                       helper->user_callback = NULL;
+                       helper->user_data = NULL;
+               
+                       /* Rename. Camel handles folder subscription/unsubscription */
+                       tny_folder_copy_async (folder, into, name, TRUE,
+                                              transfer_folder_cb,
+                                              transfer_folder_status_cb,
+                                              helper);
+               } else {
+                       modest_mail_operation_notify_end (self);
+               }
+               g_object_unref (into);
        }
- }
+}
 
 /* ******************************************************************* */
 /* **************************  MSG  ACTIONS  ************************* */
@@ -1528,6 +2012,12 @@ void modest_mail_operation_get_msg (ModestMailOperation *self,
        if (folder) {
                /* Get account and set it into mail_operation */
                priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
+               
+               /* Check for cached messages */
+               if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
+                       priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
+               else 
+                       priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
 
                helper = g_slice_new0 (GetMsgAsyncHelper);
                helper->mail_op = self;
@@ -1551,7 +2041,7 @@ void modest_mail_operation_get_msg (ModestMailOperation *self,
                             _("Error trying to get a message. No folder found for header"));
 
                /* Notify the queue */
-               modest_mail_operation_notify_end (self, FALSE);
+               modest_mail_operation_notify_end (self);
        }
 }
 
@@ -1559,7 +2049,7 @@ static void
 get_msg_cb (TnyFolder *folder, 
            gboolean cancelled, 
            TnyMsg *msg, 
-           GError **error, 
+           GError *error, 
            gpointer user_data)
 {
        GetMsgAsyncHelper *helper = NULL;
@@ -1573,45 +2063,37 @@ get_msg_cb (TnyFolder *folder,
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
        /* Check errors and cancel */
-       if (*error) {
-               priv->error = g_error_copy (*error);
+       if (error) {
+               priv->error = g_error_copy (error);
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
-               goto out;
-       }
-       if (cancelled) {
+       } else if (cancelled) {
                priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
                             MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
                             _("Error trying to refresh the contents of %s"),
                             tny_folder_get_name (folder));
-               goto out;
+       } else {
+               priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
        }
 
-       /* The mail operation might have been canceled in which case we do not
-          want to notify anyone anymore. */
-       if(priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
-               priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
+       /* If user defined callback function was defined, call it even
+          if the operation failed*/
+       if (helper->user_callback) {
+               /* This is not a GDK lock because we are a Tinymail callback
+                * which is already GDK locked by Tinymail */
 
-               /* If user defined callback function was defined, call it */
-               if (helper->user_callback) {
-                       /* This callback is called into an iddle by tinymail,
-                          and idles are not in the main lock */
-                       gdk_threads_enter ();
-                       helper->user_callback (self, helper->header, msg, helper->user_data);
-                       gdk_threads_leave ();
-               }
+               /* no gdk_threads_enter (), CHECKED */
+               helper->user_callback (self, helper->header, msg, helper->user_data);
+               /* no gdk_threads_leave (), CHECKED */
        }
 
- out:
+       /* Notify about operation end */
+       modest_mail_operation_notify_end (self);
        /* Free */
+       g_object_unref (helper->mail_op);
        g_object_unref (helper->header);
        g_slice_free (GetMsgAsyncHelper, helper);
                
-       /* Notify about operation end */
-       if(priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED)
-               modest_mail_operation_notify_end (self, TRUE);
-
-       g_object_unref (G_OBJECT (self));
 }
 
 static void     
@@ -1633,19 +2115,20 @@ get_msg_status_cb (GObject *obj,
        self = helper->mail_op;
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
-       if(priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
-               return;
-
-       if ((status->position == 1) && (status->of_total == 100))
-               return;
-
        priv->done = 1;
        priv->total = 1;
 
        state = modest_mail_operation_clone_state (self);
        state->bytes_done = status->position;
        state->bytes_total = status->of_total;
+
+       /* This is not a GDK lock because we are a Tinymail callback
+        * which is already GDK locked by Tinymail */
+
+       /* no gdk_threads_enter (), CHECKED */
        g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
+       /* no gdk_threads_leave (), CHECKED */
+
        g_slice_free (ModestMailOperationState, state);
 }
 
@@ -1678,11 +2161,12 @@ notify_get_msgs_full (gpointer data)
 
        info = (NotifyGetMsgsInfo *) data;      
 
-       /* Call the user callback. Idles are not in the main lock, so
-          lock it */
-       gdk_threads_enter ();
+       /* This is a GDK lock because we are an idle callback and
+        * because info->user_callback can contain Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED */
        info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
-       gdk_threads_leave ();
+       gdk_threads_leave (); /* CHECKED */
 
        g_slice_free (NotifyGetMsgsInfo, info);
 
@@ -1701,9 +2185,13 @@ get_msgs_full_destroyer (gpointer data)
        info = (GetFullMsgsInfo *) data;
 
        if (info->notify) {
-               gdk_threads_enter ();   
+
+               /* This is a GDK lock because we are an idle callback and
+                * because info->notify can contain Gtk+ code */
+
+               gdk_threads_enter (); /* CHECKED */
                info->notify (info->user_data);
-               gdk_threads_leave ();
+               gdk_threads_leave (); /* CHECKED */
        }
 
        /* free */
@@ -1731,6 +2219,12 @@ get_msgs_full_thread (gpointer thr_user_data)
                header = TNY_HEADER (tny_iterator_get_current (iter));
                folder = tny_header_get_folder (header);
                                
+               /* Check for cached messages */
+               if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
+                       priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
+               else 
+                       priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
+
                /* Get message from folder */
                if (folder) {
                        TnyMsg *msg;
@@ -1764,7 +2258,7 @@ get_msgs_full_thread (gpointer thr_user_data)
                                                         info_notify, NULL);
                                }
                                g_object_unref (msg);
-                       }
+                       } 
                } else {
                        /* Set status failed and set an error */
                        priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
@@ -1772,7 +2266,10 @@ get_msgs_full_thread (gpointer thr_user_data)
                                     MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
                                     "Error trying to get a message. No folder found for header");
                }
-               g_object_unref (header);                
+
+               if (header)
+                       g_object_unref (header);
+               
                tny_iterator_next (iter);
        }
 
@@ -1781,7 +2278,7 @@ get_msgs_full_thread (gpointer thr_user_data)
                priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
 
        /* Notify about operation end */
-       g_idle_add (idle_notify_update_account_queue, g_object_ref (info->mail_op));
+       g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
 
        /* Free thread resources. Will be called after all previous idles */
        g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
@@ -1817,10 +2314,16 @@ modest_mail_operation_get_msgs_full (ModestMailOperation *self,
        if (tny_list_get_length (header_list) >= 1) {
                iter = tny_list_create_iterator (header_list);
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               folder = tny_header_get_folder (header);                
-               priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
-               g_object_unref (header);
-               g_object_unref (folder);
+               if (header) {
+                       folder = tny_header_get_folder (header);
+                       if (folder) {           
+                               priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
+
+                               g_object_unref (folder);
+                       }
+
+                       g_object_unref (header);
+               }
 
                if (tny_list_get_length (header_list) == 1) {
                        g_object_unref (iter);
@@ -1844,9 +2347,12 @@ modest_mail_operation_get_msgs_full (ModestMailOperation *self,
        if (iter != NULL) {
                while (!tny_iterator_is_done (iter) && size_ok) {
                        header = TNY_HEADER (tny_iterator_get_current (iter));
-                       if (tny_header_get_message_size (header) >= max_size)
-                               size_ok = FALSE;
-                       g_object_unref (header);
+                       if (header) {
+                               if (tny_header_get_message_size (header) >= max_size)
+                                       size_ok = FALSE;
+                               g_object_unref (header);
+                       }
+
                        tny_iterator_next (iter);
                }
                g_object_unref (iter);
@@ -1870,7 +2376,7 @@ modest_mail_operation_get_msgs_full (ModestMailOperation *self,
                             MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
                             _("emev_ni_ui_imap_msg_size_exceed_error"));
                /* Remove from queue and free resources */
-               modest_mail_operation_notify_end (self, FALSE);
+               modest_mail_operation_notify_end (self);
                if (notify)
                        notify (user_data);
        }
@@ -1878,9 +2384,8 @@ modest_mail_operation_get_msgs_full (ModestMailOperation *self,
 
 
 void 
-modest_mail_operation_remove_msg (ModestMailOperation *self,
-                                 TnyHeader *header,
-                                 gboolean remove_to_trash)
+modest_mail_operation_remove_msg (ModestMailOperation *self,  TnyHeader *header,
+                                 gboolean remove_to_trash /*ignored*/)
 {
        TnyFolder *folder;
        ModestMailOperationPrivate *priv;
@@ -1888,6 +2393,9 @@ modest_mail_operation_remove_msg (ModestMailOperation *self,
        g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
        g_return_if_fail (TNY_IS_HEADER (header));
 
+       if (remove_to_trash)
+               g_warning ("remove to trash is not implemented");
+
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
        folder = tny_header_get_folder (header);
 
@@ -1896,46 +2404,25 @@ modest_mail_operation_remove_msg (ModestMailOperation *self,
 
        priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 
-       /* Delete or move to trash */
-       if (remove_to_trash) {
-               TnyFolder *trash_folder;
-               TnyStoreAccount *store_account;
-
-               store_account = TNY_STORE_ACCOUNT (modest_tny_folder_get_account (folder));
-               trash_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT(store_account),
-                                                                     TNY_FOLDER_TYPE_TRASH);
-               if (trash_folder) {
-                       TnyList *headers;
-
-                       /* Create list */
-                       headers = tny_simple_list_new ();
-                       tny_list_append (headers, G_OBJECT (header));
-                       g_object_unref (header);
-
-                       /* Move to trash */
-                       modest_mail_operation_xfer_msgs (self, headers, trash_folder, TRUE, NULL, NULL);
-                       g_object_unref (headers);
-/*                     g_object_unref (trash_folder); */
-               } else {
-                       ModestMailOperationPrivate *priv;
-
-                       /* Set status failed and set an error */
-                       priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
-                       priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
-                       g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
-                                    MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
-                                    _("Error trying to delete a message. Trash folder not found"));
-               }
-
-               g_object_unref (G_OBJECT (store_account));
-       } else {
-               tny_folder_remove_msg (folder, header, &(priv->error));
-               if (!priv->error) {
-                       tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
-                       tny_folder_sync(folder, TRUE, &(priv->error));
-               }
-       }
-
+       /* remove message from folder */
+       tny_folder_remove_msg (folder, header, &(priv->error));
+/*     if (!priv->error) { */
+/*             tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
+/*             tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
+
+/*             if (TNY_IS_CAMEL_IMAP_FOLDER (folder)) */
+/*                     tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
+/* /\*                         tny_folder_sync (folder, FALSE, &(priv->error)); /\\* FALSE --> don't expunge *\\/ *\/ */
+/*             else if (TNY_IS_CAMEL_POP_FOLDER (folder)) */
+/*                     tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
+/* /\*                         tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
+/*             else */
+/*                     /\* local folders *\/ */
+/*                     tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
+/* /\*                         tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
+/*     } */
+       
+       
        /* Set status */
        if (!priv->error)
                priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
@@ -1946,7 +2433,7 @@ modest_mail_operation_remove_msg (ModestMailOperation *self,
        g_object_unref (G_OBJECT (folder));
 
        /* Notify about operation end */
-       modest_mail_operation_notify_end (self, FALSE);
+       modest_mail_operation_notify_end (self);
 }
 
 static void
@@ -1969,32 +2456,40 @@ transfer_msgs_status_cb (GObject *obj,
        self = helper->mail_op;
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
-       if ((status->position == 1) && (status->of_total == 100))
-               return;
-
        priv->done = status->position;
        priv->total = status->of_total;
 
        state = modest_mail_operation_clone_state (self);
+
+       /* This is not a GDK lock because we are a Tinymail callback and
+        * Tinymail already acquires the Gdk lock */
+
+       /* no gdk_threads_enter (), CHECKED */
+
        g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
+
+       /* no gdk_threads_leave (), CHECKED */
+
        g_slice_free (ModestMailOperationState, state);
 }
 
 
 static void
-transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError **err, gpointer user_data)
+transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
 {
        XFerMsgAsyncHelper *helper;
        ModestMailOperation *self;
        ModestMailOperationPrivate *priv;
+       TnyIterator *iter = NULL;
+       TnyHeader *header = NULL;
 
        helper = (XFerMsgAsyncHelper *) user_data;
        self = helper->mail_op;
 
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 
-       if (*err) {
-               priv->error = g_error_copy (*err);
+       if (err) {
+               priv->error = g_error_copy (err);
                priv->done = 0;
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
        } else if (cancelled) {
@@ -2008,22 +2503,48 @@ transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError **err, gpointer
                priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
        }
 
+       
+       /* Mark headers as deleted and seen */
+       if ((helper->delete) && 
+           (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
+               iter = tny_list_create_iterator (helper->headers);
+               while (!tny_iterator_is_done (iter)) {
+                       header = TNY_HEADER (tny_iterator_get_current (iter));
+                       tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
+                       tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
+                       g_object_unref (header);
+
+                       tny_iterator_next (iter);
+               }
+
+       }
+               
+
        /* Notify about operation end */
-       modest_mail_operation_notify_end (self, TRUE);
+       modest_mail_operation_notify_end (self);
 
        /* If user defined callback function was defined, call it */
        if (helper->user_callback) {
-               gdk_threads_enter ();
+               /* This is not a GDK lock because we are a Tinymail callback and
+                * Tinymail already acquires the Gdk lock */
+
+               /* no gdk_threads_enter (), CHECKED */
                helper->user_callback (priv->source, helper->user_data);
-               gdk_threads_leave ();
+               /* no gdk_threads_leave (), CHECKED */
        }
 
        /* Free */
-       g_object_unref (helper->headers);
-       g_object_unref (helper->dest_folder);
-       g_object_unref (helper->mail_op);
+       if (helper->headers)
+               g_object_unref (helper->headers);
+       if (helper->dest_folder)
+               g_object_unref (helper->dest_folder);
+       if (helper->mail_op)
+               g_object_unref (helper->mail_op);
+       if (folder)
+               g_object_unref (folder);
+       if (iter)
+               g_object_unref (iter);
        g_slice_free   (XFerMsgAsyncHelper, helper);
-       g_object_unref (folder);
 
 }
 
@@ -2035,12 +2556,15 @@ modest_mail_operation_xfer_msgs (ModestMailOperation *self,
                                 XferMsgsAsynUserCallback user_callback,
                                 gpointer user_data)
 {
-       ModestMailOperationPrivate *priv;
-       TnyIterator *iter;
-       TnyFolder *src_folder;
-       XFerMsgAsyncHelper *helper;
-       TnyHeader *header;
-       ModestTnyFolderRules rules;
+       ModestMailOperationPrivate *priv = NULL;
+       TnyIterator *iter = NULL;
+       TnyFolder *src_folder = NULL;
+       XFerMsgAsyncHelper *helper = NULL;
+       TnyHeader *header = NULL;
+       ModestTnyFolderRules rules = 0;
+       const gchar *id1 = NULL;
+       const gchar *id2 = NULL;
+       gboolean same_folder = FALSE;
 
        g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
        g_return_if_fail (TNY_IS_LIST (headers));
@@ -2058,9 +2582,38 @@ modest_mail_operation_xfer_msgs (ModestMailOperation *self,
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
                g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
                             MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
-                            _("FIXME: folder does not accept msgs"));
+                            _CS("ckct_ib_unable_to_paste_here"));
+               /* Notify the queue */
+               modest_mail_operation_notify_end (self);
+               return;
+       }
+               
+       /* Get source folder */
+       iter = tny_list_create_iterator (headers);
+       header = TNY_HEADER (tny_iterator_get_current (iter));
+       if (header) {
+               src_folder = tny_header_get_folder (header);
+               g_object_unref (header);
+       }
+
+       g_object_unref (iter);
+
+       /* Check folder source and destination */
+       id1 = tny_folder_get_id (src_folder);
+       id2 = tny_folder_get_id (TNY_FOLDER(folder));
+       same_folder = !g_ascii_strcasecmp (id1, id2);
+       if (same_folder) {
+               /* Set status failed and set an error */
+               priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
+                            MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
+                            _("mcen_ib_unable_to_copy_samefolder"));
+               
                /* Notify the queue */
-               modest_mail_operation_notify_end (self, FALSE);
+               modest_mail_operation_notify_end (self);
+               
+               /* Free */
+               g_object_unref (src_folder);            
                return;
        }
 
@@ -2071,13 +2624,7 @@ modest_mail_operation_xfer_msgs (ModestMailOperation *self,
        helper->headers = g_object_ref(headers);
        helper->user_callback = user_callback;
        helper->user_data = user_data;
-
-       /* Get source folder */
-       iter = tny_list_create_iterator (headers);
-       header = TNY_HEADER (tny_iterator_get_current (iter));
-       src_folder = tny_header_get_folder (header);
-       g_object_unref (header);
-       g_object_unref (iter);
+       helper->delete = delete_original;
 
        /* Get account and set it into mail_operation */
        priv->account = modest_tny_folder_get_account (src_folder);
@@ -2096,7 +2643,7 @@ modest_mail_operation_xfer_msgs (ModestMailOperation *self,
 static void
 on_refresh_folder (TnyFolder   *folder, 
                   gboolean     cancelled, 
-                  GError     **error,
+                  GError     *error,
                   gpointer     user_data)
 {
        RefreshAsyncHelper *helper = NULL;
@@ -2107,9 +2654,13 @@ on_refresh_folder (TnyFolder   *folder,
        self = helper->mail_op;
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
-       if (*error) {
-               priv->error = g_error_copy (*error);
+       g_return_if_fail(priv!=NULL);
+
+       if (error) {
+               priv->error = g_error_copy (error);
                priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
+               printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
+                      error->message);
                goto out;
        }
 
@@ -2119,26 +2670,30 @@ on_refresh_folder (TnyFolder   *folder,
                             MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
                             _("Error trying to refresh the contents of %s"),
                             tny_folder_get_name (folder));
+               printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
                goto out;
        }
 
        priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
 
- out:
        /* Call user defined callback, if it exists */
        if (helper->user_callback) {
-               gdk_threads_enter ();
-               helper->user_callback (priv->source, folder, helper->user_data);
-               gdk_threads_leave ();
+
+               /* This is not a GDK lock because we are a Tinymail callback and
+                * Tinymail already acquires the Gdk lock */
+
+               /* no gdk_threads_enter (), CHECKED */
+               helper->user_callback (self, folder, helper->user_data);
+               /* no gdk_threads_leave (), CHECKED */
        }
 
+ out:
        /* Free */
-       g_object_unref (helper->mail_op);
        g_slice_free   (RefreshAsyncHelper, helper);
-       g_object_unref (folder);
 
        /* Notify about operation end */
-       modest_mail_operation_notify_end (self, TRUE);
+       modest_mail_operation_notify_end (self);
+       g_object_unref(self);
 }
 
 static void
@@ -2165,7 +2720,16 @@ on_refresh_folder_status_update (GObject *obj,
        priv->total = status->of_total;
 
        state = modest_mail_operation_clone_state (self);
+
+       /* This is not a GDK lock because we are a Tinymail callback and
+        * Tinymail already acquires the Gdk lock */
+
+       /* no gdk_threads_enter (), CHECKED */
+
        g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
+
+       /* no gdk_threads_leave (), CHECKED */
+
        g_slice_free (ModestMailOperationState, state);
 }
 
@@ -2180,9 +2744,6 @@ modest_mail_operation_refresh_folder  (ModestMailOperation *self,
 
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
-       /* Pick a reference */
-       g_object_ref (folder);
-
        priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 
        /* Get account and set it into mail_operation */
@@ -2212,8 +2773,7 @@ modest_mail_operation_refresh_folder  (ModestMailOperation *self,
  * callback).
  */
 static void
-modest_mail_operation_notify_end (ModestMailOperation *self,
-                                 gboolean need_lock)
+modest_mail_operation_notify_end (ModestMailOperation *self)
 {
        ModestMailOperationState *state;
        ModestMailOperationPrivate *priv = NULL;
@@ -2222,11 +2782,6 @@ modest_mail_operation_notify_end (ModestMailOperation *self,
 
        priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 
-       if (!priv) {
-               g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
-               return;
-       }
-       
        /* Set the account back to not busy */
        if (priv->account_name) {
                modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
@@ -2235,12 +2790,10 @@ modest_mail_operation_notify_end (ModestMailOperation *self,
                priv->account_name = NULL;
        }
        
-       /* Notify the observers about the mail opertation end */
+       /* Notify the observers about the mail operation end */
+       /* We do not wrapp this emission because we assume that this
+          function is always called from within the main lock */
        state = modest_mail_operation_clone_state (self);
-       if (need_lock)
-               gdk_threads_enter ();
        g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
-       if (need_lock)
-               gdk_threads_leave ();
        g_slice_free (ModestMailOperationState, state);
 }