cea772efd4b1fd960e7bd0865c45eecdbff329f4
[modest] / src / modest-mail-operation.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <string.h>
31 #include <stdarg.h>
32 #include <tny-mime-part.h>
33 #include <tny-store-account.h>
34 #include <tny-folder-store.h>
35 #include <tny-folder-store-query.h>
36 #include <tny-camel-stream.h>
37 #include <tny-camel-pop-store-account.h>
38 #include <tny-camel-pop-folder.h>
39 #include <tny-camel-imap-folder.h>
40 #include <tny-camel-mem-stream.h>
41 #include <tny-simple-list.h>
42 #include <tny-send-queue.h>
43 #include <tny-status.h>
44 #include <tny-folder-observer.h>
45 #include <camel/camel-stream-mem.h>
46 #include <glib/gi18n.h>
47 #include "modest-platform.h"
48 #include "modest-account-mgr-helpers.h"
49 #include <modest-tny-account.h>
50 #include <modest-tny-send-queue.h>
51 #include <modest-runtime.h>
52 #include "modest-text-utils.h"
53 #include "modest-tny-msg.h"
54 #include "modest-tny-folder.h"
55 #include "modest-tny-account-store.h"
56 #include "modest-tny-platform-factory.h"
57 #include "modest-marshal.h"
58 #include "modest-error.h"
59 #include "modest-mail-operation.h"
60 #include <modest-count-stream.h>
61 #include <libgnomevfs/gnome-vfs.h>
62 #include "modest-utils.h"
63
64 #define KB 1024
65
66 /* 
67  * Remove all these #ifdef stuff when the tinymail's idle calls become
68  * locked
69  */
70 #define TINYMAIL_IDLES_NOT_LOCKED_YET 1
71
72 /* 'private'/'protected' functions */
73 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
74 static void modest_mail_operation_init       (ModestMailOperation *obj);
75 static void modest_mail_operation_finalize   (GObject *obj);
76
77 static void     get_msg_async_cb (TnyFolder *folder, 
78                                   gboolean cancelled, 
79                                   TnyMsg *msg, 
80                                   GError *rr, 
81                                   gpointer user_data);
82
83 static void     get_msg_status_cb (GObject *obj,
84                                    TnyStatus *status,  
85                                    gpointer user_data);
86
87 static void     modest_mail_operation_notify_start (ModestMailOperation *self);
88 static void     modest_mail_operation_notify_end (ModestMailOperation *self);
89
90 static void     notify_progress_of_multiple_messages (ModestMailOperation *self,
91                                                       TnyStatus *status,
92                                                       gint *last_total_bytes,
93                                                       gint *sum_total_bytes,
94                                                       gint total_bytes,
95                                                       gboolean increment_done);
96
97 static guint    compute_message_list_size (TnyList *headers);
98
99 static guint    compute_message_array_size (GPtrArray *headers);
100
101 static int      compare_headers_by_date   (gconstpointer a,
102                                            gconstpointer b);
103
104 enum _ModestMailOperationSignals 
105 {
106         PROGRESS_CHANGED_SIGNAL,
107         OPERATION_STARTED_SIGNAL,
108         OPERATION_FINISHED_SIGNAL,
109         NUM_SIGNALS
110 };
111
112 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
113 struct _ModestMailOperationPrivate {
114         TnyAccount                *account;
115         guint                      done;
116         guint                      total;
117         GObject                   *source;
118         GError                    *error;
119         ErrorCheckingUserCallback  error_checking;
120         gpointer                   error_checking_user_data;
121         ErrorCheckingUserDataDestroyer error_checking_user_data_destroyer;
122         ModestMailOperationStatus  status;      
123         ModestMailOperationTypeOperation op_type;
124 };
125
126 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
127                                                    MODEST_TYPE_MAIL_OPERATION, \
128                                                    ModestMailOperationPrivate))
129
130 #define CHECK_EXCEPTION(priv, new_status)  if (priv->error) {\
131                                                    priv->status = new_status;\
132                                                }
133
134
135 typedef struct {
136         GetMsgAsyncUserCallback user_callback;
137         TnyHeader *header;
138         TnyIterator *more_msgs;
139         gpointer user_data;
140         ModestMailOperation *mail_op;
141         GDestroyNotify destroy_notify;
142         gint last_total_bytes;
143         gint sum_total_bytes;
144         gint total_bytes;
145 } GetMsgInfo;
146
147 typedef struct _RefreshAsyncHelper {    
148         ModestMailOperation *mail_op;
149         RefreshAsyncUserCallback user_callback; 
150         gpointer user_data;
151 } RefreshAsyncHelper;
152
153 typedef struct _XFerMsgsAsyncHelper
154 {
155         ModestMailOperation *mail_op;
156         TnyList *headers;
157         TnyIterator *more_msgs;
158         TnyFolder *dest_folder;
159         XferMsgsAsyncUserCallback user_callback;        
160         gboolean delete;
161         gpointer user_data;
162         gint last_total_bytes;
163         gint sum_total_bytes;
164         gint total_bytes;
165 } XFerMsgsAsyncHelper;
166
167 typedef struct _XFerFolderAsyncHelper
168 {
169         ModestMailOperation *mail_op;
170         XferFolderAsyncUserCallback user_callback;      
171         gpointer user_data;
172 } XFerFolderAsyncHelper;
173
174 typedef void (*ModestMailOperationCreateMsgCallback) (ModestMailOperation *mail_op,
175                                                       TnyMsg *msg,
176                                                       gpointer userdata);
177
178 static void          modest_mail_operation_create_msg (ModestMailOperation *self,
179                                                        const gchar *from, const gchar *to,
180                                                        const gchar *cc, const gchar *bcc,
181                                                        const gchar *subject, const gchar *plain_body,
182                                                        const gchar *html_body, const GList *attachments_list,
183                                                        const GList *images_list,
184                                                        TnyHeaderFlags priority_flags,
185                                                        ModestMailOperationCreateMsgCallback callback,
186                                                        gpointer userdata);
187
188 static gboolean      idle_notify_queue (gpointer data);
189 typedef struct
190 {
191         ModestMailOperation *mail_op;
192         gchar *from;
193         gchar *to;
194         gchar *cc;
195         gchar *bcc;
196         gchar *subject;
197         gchar *plain_body;
198         gchar *html_body;
199         GList *attachments_list;
200         GList *images_list;
201         TnyHeaderFlags priority_flags;
202         ModestMailOperationCreateMsgCallback callback;
203         gpointer userdata;
204 } CreateMsgInfo;
205
206 typedef struct
207 {
208         ModestMailOperation *mail_op;
209         TnyMsg *msg;
210         ModestMailOperationCreateMsgCallback callback;
211         gpointer userdata;
212 } CreateMsgIdleInfo;
213
214 /* globals */
215 static GObjectClass *parent_class = NULL;
216
217 static guint signals[NUM_SIGNALS] = {0};
218
219 GType
220 modest_mail_operation_get_type (void)
221 {
222         static GType my_type = 0;
223         if (!my_type) {
224                 static const GTypeInfo my_info = {
225                         sizeof(ModestMailOperationClass),
226                         NULL,           /* base init */
227                         NULL,           /* base finalize */
228                         (GClassInitFunc) modest_mail_operation_class_init,
229                         NULL,           /* class finalize */
230                         NULL,           /* class data */
231                         sizeof(ModestMailOperation),
232                         1,              /* n_preallocs */
233                         (GInstanceInitFunc) modest_mail_operation_init,
234                         NULL
235                 };
236                 my_type = g_type_register_static (G_TYPE_OBJECT,
237                                                   "ModestMailOperation",
238                                                   &my_info, 0);
239         }
240         return my_type;
241 }
242
243 static void
244 modest_mail_operation_class_init (ModestMailOperationClass *klass)
245 {
246         GObjectClass *gobject_class;
247         gobject_class = (GObjectClass*) klass;
248
249         parent_class            = g_type_class_peek_parent (klass);
250         gobject_class->finalize = modest_mail_operation_finalize;
251
252         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
253
254         /**
255          * ModestMailOperation::progress-changed
256          * @self: the #MailOperation that emits the signal
257          * @user_data: user data set when the signal handler was connected
258          *
259          * Emitted when the progress of a mail operation changes
260          */
261         signals[PROGRESS_CHANGED_SIGNAL] = 
262                 g_signal_new ("progress-changed",
263                               G_TYPE_FROM_CLASS (gobject_class),
264                               G_SIGNAL_RUN_FIRST,
265                               G_STRUCT_OFFSET (ModestMailOperationClass, progress_changed),
266                               NULL, NULL,
267                               g_cclosure_marshal_VOID__POINTER,
268                               G_TYPE_NONE, 1, G_TYPE_POINTER);
269         /**
270          * operation-started
271          *
272          * This signal is issued whenever a mail operation starts, and
273          * starts mean when the tinymail operation is issued. This
274          * means that it could happen that something wrong happens and
275          * the tinymail function is never called. In this situation a
276          * operation-finished will be issued without any
277          * operation-started
278          */
279         signals[OPERATION_STARTED_SIGNAL] =
280                 g_signal_new ("operation-started",
281                               G_TYPE_FROM_CLASS (gobject_class),
282                               G_SIGNAL_RUN_FIRST,
283                               G_STRUCT_OFFSET (ModestMailOperationClass, operation_started),
284                               NULL, NULL,
285                               g_cclosure_marshal_VOID__VOID,
286                               G_TYPE_NONE, 0);
287         /**
288          * operation-started
289          *
290          * This signal is issued whenever a mail operation
291          * finishes. Note that this signal could be issued without any
292          * previous "operation-started" signal, because this last one
293          * is only issued when the tinymail operation is successfully
294          * started
295          */
296         signals[OPERATION_FINISHED_SIGNAL] =
297                 g_signal_new ("operation-finished",
298                               G_TYPE_FROM_CLASS (gobject_class),
299                               G_SIGNAL_RUN_FIRST,
300                               G_STRUCT_OFFSET (ModestMailOperationClass, operation_finished),
301                               NULL, NULL,
302                               g_cclosure_marshal_VOID__VOID,
303                               G_TYPE_NONE, 0);
304 }
305
306 static void
307 modest_mail_operation_init (ModestMailOperation *obj)
308 {
309         ModestMailOperationPrivate *priv;
310
311         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
312
313         priv->account        = NULL;
314         priv->status         = MODEST_MAIL_OPERATION_STATUS_INVALID;
315         priv->op_type        = MODEST_MAIL_OPERATION_TYPE_UNKNOWN;
316         priv->error          = NULL;
317         priv->done           = 0;
318         priv->total          = 0;
319         priv->source         = NULL;
320         priv->error_checking = NULL;
321         priv->error_checking_user_data = NULL;
322 }
323
324 static void
325 modest_mail_operation_finalize (GObject *obj)
326 {
327         ModestMailOperationPrivate *priv;
328
329         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
330
331         
332         
333         if (priv->error) {
334                 g_error_free (priv->error);
335                 priv->error = NULL;
336         }
337         if (priv->source) {
338                 g_object_unref (priv->source);
339                 priv->source = NULL;
340         }
341         if (priv->account) {
342                 g_object_unref (priv->account);
343                 priv->account = NULL;
344         }
345
346
347         G_OBJECT_CLASS(parent_class)->finalize (obj);
348 }
349
350 ModestMailOperation*
351 modest_mail_operation_new (GObject *source)
352 {
353         ModestMailOperation *obj;
354         ModestMailOperationPrivate *priv;
355                 
356         obj = MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
357         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
358
359         if (source != NULL)
360                 priv->source = g_object_ref(source);
361
362         return obj;
363 }
364
365 ModestMailOperation*
366 modest_mail_operation_new_with_error_handling (GObject *source,
367                                                ErrorCheckingUserCallback error_handler,
368                                                gpointer user_data,
369                                                ErrorCheckingUserDataDestroyer error_handler_destroyer)
370 {
371         ModestMailOperation *obj;
372         ModestMailOperationPrivate *priv;
373                 
374         obj = modest_mail_operation_new (source);
375         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
376         
377         g_return_val_if_fail (error_handler != NULL, obj);
378         priv->error_checking = error_handler;
379         priv->error_checking_user_data = user_data;
380         priv->error_checking_user_data_destroyer = error_handler_destroyer;
381
382         return obj;
383 }
384
385 void
386 modest_mail_operation_execute_error_handler (ModestMailOperation *self)
387 {
388         ModestMailOperationPrivate *priv;
389
390         g_return_if_fail (self && MODEST_IS_MAIL_OPERATION(self));
391         
392         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
393         g_return_if_fail(priv->status != MODEST_MAIL_OPERATION_STATUS_SUCCESS);     
394
395         /* Call the user callback */
396         if (priv->error_checking != NULL)
397                 priv->error_checking (self, priv->error_checking_user_data);
398 }
399
400
401 ModestMailOperationTypeOperation
402 modest_mail_operation_get_type_operation (ModestMailOperation *self)
403 {
404         ModestMailOperationPrivate *priv;
405
406         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
407                               MODEST_MAIL_OPERATION_TYPE_UNKNOWN);
408         
409         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
410         
411         return priv->op_type;
412 }
413
414 gboolean 
415 modest_mail_operation_is_mine (ModestMailOperation *self, 
416                                GObject *me)
417 {
418         ModestMailOperationPrivate *priv;
419
420         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
421                               FALSE);
422         
423         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
424         if (priv->source == NULL) return FALSE;
425
426         return priv->source == me;
427 }
428
429 GObject *
430 modest_mail_operation_get_source (ModestMailOperation *self)
431 {
432         ModestMailOperationPrivate *priv;
433
434         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
435                               NULL);
436         
437         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
438         if (!priv) {
439                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
440                 return NULL;
441         }
442         
443         return (priv->source) ? g_object_ref (priv->source) : NULL;
444 }
445
446 ModestMailOperationStatus
447 modest_mail_operation_get_status (ModestMailOperation *self)
448 {
449         ModestMailOperationPrivate *priv;
450
451         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
452         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
453                               MODEST_MAIL_OPERATION_STATUS_INVALID);
454
455         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
456         if (!priv) {
457                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
458                 return MODEST_MAIL_OPERATION_STATUS_INVALID;
459         }
460         
461         return priv->status;
462 }
463
464 const GError *
465 modest_mail_operation_get_error (ModestMailOperation *self)
466 {
467         ModestMailOperationPrivate *priv;
468
469         g_return_val_if_fail (self, NULL);
470         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
471
472         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
473
474         if (!priv) {
475                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
476                 return NULL;
477         }
478
479         return priv->error;
480 }
481
482 gboolean 
483 modest_mail_operation_cancel (ModestMailOperation *self)
484 {
485         ModestMailOperationPrivate *priv;
486         gboolean canceled = FALSE;
487         
488         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION (self), FALSE);
489
490         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
491
492         /* Set new status */
493         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
494         
495         /* Cancel the mail operation */
496         g_return_val_if_fail (priv->account, FALSE);
497         tny_account_cancel (priv->account);
498
499         if (priv->op_type == MODEST_MAIL_OPERATION_TYPE_SEND) {
500                 ModestTnySendQueue *queue;
501                 queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT (priv->account));
502
503                 /* Cancel the sending of the following next messages */
504                 tny_send_queue_cancel (TNY_SEND_QUEUE (queue), TNY_SEND_QUEUE_CANCEL_ACTION_SUSPEND, NULL);
505         }
506         
507         return canceled;
508 }
509
510 guint 
511 modest_mail_operation_get_task_done (ModestMailOperation *self)
512 {
513         ModestMailOperationPrivate *priv;
514
515         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
516                               0);
517         
518         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
519         return priv->done;
520 }
521
522 guint 
523 modest_mail_operation_get_task_total (ModestMailOperation *self)
524 {
525         ModestMailOperationPrivate *priv;
526
527         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
528                               0);
529
530         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
531         return priv->total;
532 }
533
534 gboolean
535 modest_mail_operation_is_finished (ModestMailOperation *self)
536 {
537         ModestMailOperationPrivate *priv;
538         gboolean retval = FALSE;
539
540         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
541                               FALSE);
542         
543         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
544
545         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
546             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
547             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
548             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
549                 retval = TRUE;
550         } else {
551                 retval = FALSE;
552         }
553
554         return retval;
555 }
556
557 /*
558  * Creates an image of the current state of a mail operation, the
559  * caller must free it
560  */
561 static ModestMailOperationState *
562 modest_mail_operation_clone_state (ModestMailOperation *self)
563 {
564         ModestMailOperationState *state;
565         ModestMailOperationPrivate *priv;
566
567         /* FIXME: this should be fixed properly
568          * 
569          * in some cases, priv was NULL, so checking here to
570          * make sure.
571          */
572         g_return_val_if_fail (self, NULL);
573         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
574         g_return_val_if_fail (priv, NULL);
575
576         if (!priv)
577                 return NULL;
578
579         state = g_slice_new (ModestMailOperationState);
580
581         state->status = priv->status;
582         state->op_type = priv->op_type;
583         state->done = priv->done;
584         state->total = priv->total;
585         state->finished = modest_mail_operation_is_finished (self);
586         state->bytes_done = 0;
587         state->bytes_total = 0;
588
589         return state;
590 }
591
592 /* ******************************************************************* */
593 /* ************************** SEND   ACTIONS ************************* */
594 /* ******************************************************************* */
595
596 void
597 modest_mail_operation_send_mail (ModestMailOperation *self,
598                                  TnyTransportAccount *transport_account,
599                                  TnyMsg* msg)
600 {
601         TnySendQueue *send_queue = NULL;
602         ModestMailOperationPrivate *priv;
603         
604         g_return_if_fail (self && MODEST_IS_MAIL_OPERATION (self));
605         g_return_if_fail (transport_account && TNY_IS_TRANSPORT_ACCOUNT (transport_account));
606         g_return_if_fail (msg && TNY_IS_MSG (msg));
607         
608         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
609
610         /* Get account and set it into mail_operation */
611         priv->account = g_object_ref (transport_account);
612         priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND;
613         priv->done = 1;
614         priv->total = 1;
615
616         send_queue = TNY_SEND_QUEUE (modest_runtime_get_send_queue (transport_account));
617         if (!TNY_IS_SEND_QUEUE(send_queue)) {
618                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
619                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
620                              "modest: could not find send queue for account\n");
621                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
622                 modest_mail_operation_notify_end (self);
623
624         } else {
625                 /* Add the msg to the queue */
626                 modest_mail_operation_notify_start (self);
627
628                 tny_send_queue_add_async (send_queue, msg, NULL, NULL, NULL);
629
630                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
631                 modest_mail_operation_notify_end (self);
632         }
633
634 }
635
636
637 static gboolean
638 idle_create_msg_cb (gpointer idle_data)
639 {
640         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
641
642         /* This is a GDK lock because we are an idle callback and
643          * info->callback can contain Gtk+ code */
644
645         gdk_threads_enter (); /* CHECKED */
646         info->callback (info->mail_op, info->msg, info->userdata);
647
648         g_object_unref (info->mail_op);
649         if (info->msg)
650                 g_object_unref (info->msg);
651         g_slice_free (CreateMsgIdleInfo, info);
652         gdk_threads_leave (); /* CHECKED */
653
654         return FALSE;
655 }
656
657 static gpointer 
658 create_msg_thread (gpointer thread_data)
659 {
660         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
661         TnyMsg *new_msg = NULL;
662         ModestMailOperationPrivate *priv;
663
664         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
665         if (info->html_body == NULL) {
666                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
667                                               info->bcc, info->subject, info->plain_body, 
668                                               info->attachments_list);
669         } else {
670                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
671                                                          info->bcc, info->subject, info->html_body,
672                                                          info->plain_body, info->attachments_list,
673                                                          info->images_list);
674         }
675
676         if (new_msg) {
677                 TnyHeader *header;
678
679                 /* Set priority flags in message */
680                 header = tny_msg_get_header (new_msg);
681                 tny_header_set_flag (header, info->priority_flags);
682
683                 /* Set attachment flags in message */
684                 if (info->attachments_list != NULL)
685                         tny_header_set_flag (header, TNY_HEADER_FLAG_ATTACHMENTS);
686
687                 g_object_unref (G_OBJECT(header));
688         } else {
689                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
690                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
691                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
692                              "modest: failed to create a new msg\n");
693         }
694
695
696         g_free (info->to);
697         g_free (info->from);
698         g_free (info->cc);
699         g_free (info->bcc);
700         g_free (info->plain_body);
701         g_free (info->html_body);
702         g_free (info->subject);
703         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
704         g_list_free (info->attachments_list);
705         g_list_foreach (info->images_list, (GFunc) g_object_unref, NULL);
706         g_list_free (info->images_list);
707
708         if (info->callback) {
709                 CreateMsgIdleInfo *idle_info;
710                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
711                 idle_info->mail_op = g_object_ref (info->mail_op);
712                 idle_info->msg = (new_msg) ? g_object_ref (new_msg) : NULL;
713                 idle_info->callback = info->callback;
714                 idle_info->userdata = info->userdata;
715                 g_idle_add (idle_create_msg_cb, idle_info);
716         } else {
717                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
718         }
719
720         g_object_unref (info->mail_op);
721         g_slice_free (CreateMsgInfo, info);
722         if (new_msg) g_object_unref(new_msg);
723         return NULL;
724 }
725
726
727 void
728 modest_mail_operation_create_msg (ModestMailOperation *self,
729                                   const gchar *from, const gchar *to,
730                                   const gchar *cc, const gchar *bcc,
731                                   const gchar *subject, const gchar *plain_body,
732                                   const gchar *html_body,
733                                   const GList *attachments_list,
734                                   const GList *images_list,
735                                   TnyHeaderFlags priority_flags,
736                                   ModestMailOperationCreateMsgCallback callback,
737                                   gpointer userdata)
738 {
739         CreateMsgInfo *info = NULL;
740
741         info = g_slice_new0 (CreateMsgInfo);
742         info->mail_op = g_object_ref (self);
743
744         info->from = g_strdup (from);
745         info->to = g_strdup (to);
746         info->cc = g_strdup (cc);
747         info->bcc  = g_strdup (bcc);
748         info->subject = g_strdup (subject);
749         info->plain_body = g_strdup (plain_body);
750         info->html_body = g_strdup (html_body);
751         info->attachments_list = g_list_copy ((GList *) attachments_list);
752         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
753         info->images_list = g_list_copy ((GList *) images_list);
754         g_list_foreach (info->images_list, (GFunc) g_object_ref, NULL);
755         info->priority_flags = priority_flags;
756
757         info->callback = callback;
758         info->userdata = userdata;
759
760         g_thread_create (create_msg_thread, info, FALSE, NULL);
761 }
762
763 typedef struct
764 {
765         TnyTransportAccount *transport_account;
766         TnyMsg *draft_msg;
767 } SendNewMailInfo;
768
769 static void
770 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
771                                         TnyMsg *msg,
772                                         gpointer userdata)
773 {
774         ModestMailOperationPrivate *priv = NULL;
775         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
776         TnyFolder *draft_folder = NULL;
777         TnyFolder *outbox_folder = NULL;
778         TnyHeader *header = NULL;
779         GError *err = NULL;
780
781         if (!msg) {
782                 goto end;
783         }
784
785         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
786
787         if (priv->error) {
788                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
789                 modest_mail_operation_notify_end (self);
790                 goto end;
791         }
792
793         /* Call mail operation */
794         modest_mail_operation_send_mail (self, info->transport_account, msg);
795
796         if (info->draft_msg != NULL) {
797                 TnyFolder *folder = NULL;
798                 TnyFolder *src_folder = NULL;
799                 TnyFolderType folder_type;              
800                 TnyTransportAccount *transport_account = NULL;
801
802                 /* To remove the old mail from its source folder, we need to get the
803                  * transport account of the original draft message (the transport account
804                  * might have been changed by the user) */
805                 header = tny_msg_get_header (info->draft_msg);
806                 transport_account = modest_tny_account_store_get_transport_account_from_outbox_header(
807                         modest_runtime_get_account_store(), header);
808                 if (transport_account == NULL)
809                         transport_account = g_object_ref(info->transport_account);
810                 draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (transport_account),
811                                                                       TNY_FOLDER_TYPE_DRAFTS);
812                 outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (transport_account),
813                                                                        TNY_FOLDER_TYPE_OUTBOX);
814                 g_object_unref(transport_account);
815
816                 if (!draft_folder) {
817                         g_warning ("%s: modest_tny_account_get_special_folder(..) returned a NULL drafts folder",
818                                    __FUNCTION__);
819                         goto end;
820                 }
821                 if (!outbox_folder) {
822                         g_warning ("%s: modest_tny_account_get_special_folder(..) returned a NULL outbox folder",
823                                    __FUNCTION__);
824                         goto end;
825                 }
826
827                 folder = tny_msg_get_folder (info->draft_msg);          
828                 if (folder == NULL) goto end;
829                 folder_type = modest_tny_folder_guess_folder_type (folder);
830
831                 if (folder_type == TNY_FOLDER_TYPE_INVALID)
832                         g_warning ("%s: BUG: folder of type TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
833                 
834                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
835                         src_folder = outbox_folder;
836                 else 
837                         src_folder = draft_folder;
838
839                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
840                  * because this function requires it to have a UID. */          
841                 tny_folder_remove_msg (src_folder, header, NULL);
842
843                 tny_folder_sync (folder, TRUE, &err); /* FALSE --> don't expunge */
844 /*              tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /\* expunge *\/ */
845                 
846                 g_object_unref (folder);
847         }
848
849 end:
850         if (header)
851                 g_object_unref (header);
852         if (err != NULL)
853                 g_error_free(err);      
854         if (info->draft_msg)
855                 g_object_unref (info->draft_msg);
856         if (draft_folder)
857                 g_object_unref (draft_folder);
858         if (outbox_folder)
859                 g_object_unref (outbox_folder);
860         if (info->transport_account)
861                 g_object_unref (info->transport_account);
862         g_slice_free (SendNewMailInfo, info);
863 }
864
865 void
866 modest_mail_operation_send_new_mail (ModestMailOperation *self,
867                                      TnyTransportAccount *transport_account,
868                                      TnyMsg *draft_msg,
869                                      const gchar *from,  const gchar *to,
870                                      const gchar *cc,  const gchar *bcc,
871                                      const gchar *subject, const gchar *plain_body,
872                                      const gchar *html_body,
873                                      const GList *attachments_list,
874                                      const GList *images_list,
875                                      TnyHeaderFlags priority_flags)
876 {
877         ModestMailOperationPrivate *priv = NULL;
878         SendNewMailInfo *info;
879
880         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
881         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
882
883         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
884         priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND;
885         priv->account = TNY_ACCOUNT (g_object_ref (transport_account));
886         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
887         
888         /* Check parametters */
889         if (to == NULL) {
890                 /* Set status failed and set an error */
891                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
892                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
893                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
894                              _("Error trying to send a mail. You need to set at least one recipient"));
895                 return;
896         }
897         info = g_slice_new0 (SendNewMailInfo);
898         info->transport_account = transport_account;
899         if (transport_account)
900                 g_object_ref (transport_account);
901         info->draft_msg = draft_msg;
902         if (draft_msg)
903                 g_object_ref (draft_msg);
904
905
906         modest_mail_operation_notify_start (self);
907         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
908                                           attachments_list, images_list, priority_flags,
909                                           modest_mail_operation_send_new_mail_cb, info);
910
911 }
912
913 typedef struct
914 {
915         TnyTransportAccount *transport_account;
916         TnyMsg *draft_msg;
917         SaveToDraftstCallback callback;
918         gpointer user_data;
919         TnyFolder *drafts;
920         TnyMsg *msg;
921         ModestMailOperation *mailop;
922 } SaveToDraftsAddMsgInfo;
923
924 static void
925 modest_mail_operation_save_to_drafts_add_msg_cb(TnyFolder *self,
926                                                 gboolean canceled,
927                                                 GError *err,
928                                                 gpointer userdata)
929 {
930         ModestMailOperationPrivate *priv = NULL;
931         SaveToDraftsAddMsgInfo *info = (SaveToDraftsAddMsgInfo *) userdata;
932
933         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mailop);
934
935         if (priv->error) {
936                 g_warning ("%s: priv->error != NULL", __FUNCTION__);
937                 g_error_free(priv->error);
938         }
939
940         priv->error = (err == NULL) ? NULL : g_error_copy(err);
941
942         if ((!priv->error) && (info->draft_msg != NULL)) {
943                 TnyHeader *header = tny_msg_get_header (info->draft_msg);
944                 TnyFolder *src_folder = tny_header_get_folder (header);
945
946                 /* Remove the old draft */
947                 tny_folder_remove_msg (src_folder, header, NULL);
948
949                 /* Synchronize to expunge and to update the msg counts */
950                 tny_folder_sync_async (info->drafts, TRUE, NULL, NULL, NULL);
951                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);
952
953                 g_object_unref (G_OBJECT(header));
954                 g_object_unref (G_OBJECT(src_folder));
955         }
956
957         if (!priv->error)
958                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
959         else
960                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
961
962         /* Call the user callback */
963         if (info->callback)
964                 info->callback (info->mailop, info->msg, info->user_data);
965
966         if (info->transport_account)
967                 g_object_unref (G_OBJECT(info->transport_account));
968         if (info->draft_msg)
969                 g_object_unref (G_OBJECT (info->draft_msg));
970         if (info->drafts)
971                 g_object_unref (G_OBJECT(info->drafts));
972         if (info->msg)
973                 g_object_unref (G_OBJECT (info->msg));
974
975         modest_mail_operation_notify_end (info->mailop);
976         g_object_unref(info->mailop);
977         g_slice_free (SaveToDraftsAddMsgInfo, info);
978 }
979
980 typedef struct
981 {
982         TnyTransportAccount *transport_account;
983         TnyMsg *draft_msg;
984         SaveToDraftstCallback callback;
985         gpointer user_data;
986 } SaveToDraftsInfo;
987
988 static void
989 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
990                                          TnyMsg *msg,
991                                          gpointer userdata)
992 {
993         TnyFolder *drafts = NULL;
994         ModestMailOperationPrivate *priv = NULL;
995         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
996
997         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
998
999         if (!msg) {
1000                 if (!(priv->error)) {
1001                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1002                                      MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1003                                      "modest: failed to create a new msg\n");
1004                 }
1005         } else {
1006                 drafts = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account),
1007                                                                 TNY_FOLDER_TYPE_DRAFTS);
1008                 if (!drafts && !(priv->error)) {
1009                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1010                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1011                                      "modest: failed to create a new msg\n");
1012                 }
1013         }
1014
1015         if (!priv->error) {
1016                 SaveToDraftsAddMsgInfo *cb_info = g_slice_new(SaveToDraftsAddMsgInfo);
1017                 cb_info->transport_account = g_object_ref(info->transport_account);
1018                 cb_info->draft_msg = info->draft_msg ? g_object_ref(info->draft_msg) : NULL;
1019                 cb_info->callback = info->callback;
1020                 cb_info->user_data = info->user_data;
1021                 cb_info->drafts = g_object_ref(drafts);
1022                 cb_info->msg = g_object_ref(msg);
1023                 cb_info->mailop = g_object_ref(self);
1024                 tny_folder_add_msg_async(drafts, msg, modest_mail_operation_save_to_drafts_add_msg_cb,
1025                                          NULL, cb_info);
1026         } else {
1027                 /* Call the user callback */
1028                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1029                 if (info->callback)
1030                         info->callback (self, msg, info->user_data);
1031                 modest_mail_operation_notify_end (self);
1032         }
1033
1034         if (drafts)
1035                 g_object_unref (G_OBJECT(drafts));
1036         if (info->draft_msg)
1037                 g_object_unref (G_OBJECT (info->draft_msg));
1038         if (info->transport_account)
1039                 g_object_unref (G_OBJECT(info->transport_account));
1040         g_slice_free (SaveToDraftsInfo, info);
1041 }
1042
1043 void
1044 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
1045                                       TnyTransportAccount *transport_account,
1046                                       TnyMsg *draft_msg,
1047                                       const gchar *from,  const gchar *to,
1048                                       const gchar *cc,  const gchar *bcc,
1049                                       const gchar *subject, const gchar *plain_body,
1050                                       const gchar *html_body,
1051                                       const GList *attachments_list,
1052                                       const GList *images_list,
1053                                       TnyHeaderFlags priority_flags,
1054                                       SaveToDraftstCallback callback,
1055                                       gpointer user_data)
1056 {
1057         ModestMailOperationPrivate *priv = NULL;
1058         SaveToDraftsInfo *info = NULL;
1059
1060         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1061         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
1062
1063         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1064
1065         /* Get account and set it into mail_operation */
1066         priv->account = g_object_ref (transport_account);
1067         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
1068
1069         info = g_slice_new0 (SaveToDraftsInfo);
1070         info->transport_account = g_object_ref (transport_account);
1071         info->draft_msg = (draft_msg) ? g_object_ref (draft_msg) : NULL;
1072         info->callback = callback;
1073         info->user_data = user_data;
1074
1075         modest_mail_operation_notify_start (self);
1076         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
1077                                           attachments_list, images_list, priority_flags,
1078                                           modest_mail_operation_save_to_drafts_cb, info);
1079 }
1080
1081 typedef struct
1082 {
1083         ModestMailOperation *mail_op;
1084         TnyMimePart *mime_part;
1085         gssize size;
1086         GetMimePartSizeCallback callback;
1087         gpointer userdata;
1088 } GetMimePartSizeInfo;
1089
1090 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
1091 /* We use this folder observer to track the headers that have been
1092  * added to a folder */
1093 typedef struct {
1094         GObject parent;
1095         TnyList *new_headers;
1096 } InternalFolderObserver;
1097
1098 typedef struct {
1099         GObjectClass parent;
1100 } InternalFolderObserverClass;
1101
1102 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
1103
1104 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
1105                          internal_folder_observer,
1106                          G_TYPE_OBJECT,
1107                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
1108
1109
1110 static void
1111 foreach_add_item (gpointer header, gpointer user_data)
1112 {
1113         tny_list_prepend (TNY_LIST (user_data), 
1114                           g_object_ref (G_OBJECT (header)));
1115 }
1116
1117 /* This is the method that looks for new messages in a folder */
1118 static void
1119 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
1120 {
1121         InternalFolderObserver *derived = (InternalFolderObserver *)self;
1122         
1123         TnyFolderChangeChanged changed;
1124
1125         changed = tny_folder_change_get_changed (change);
1126
1127         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
1128                 TnyList *list;
1129
1130                 /* Get added headers */
1131                 list = tny_simple_list_new ();
1132                 tny_folder_change_get_added_headers (change, list);
1133
1134                 /* Add them to the folder observer */
1135                 tny_list_foreach (list, foreach_add_item, 
1136                                   derived->new_headers);
1137
1138                 g_object_unref (G_OBJECT (list));
1139         }
1140 }
1141
1142 static void
1143 internal_folder_observer_init (InternalFolderObserver *self) 
1144 {
1145         self->new_headers = tny_simple_list_new ();
1146 }
1147 static void
1148 internal_folder_observer_finalize (GObject *object) 
1149 {
1150         InternalFolderObserver *self;
1151
1152         self = (InternalFolderObserver *) object;
1153         g_object_unref (self->new_headers);
1154
1155         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
1156 }
1157 static void
1158 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1159 {
1160         iface->update = internal_folder_observer_update;
1161 }
1162 static void
1163 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1164 {
1165         GObjectClass *object_class;
1166
1167         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1168         object_class = (GObjectClass*) klass;
1169         object_class->finalize = internal_folder_observer_finalize;
1170 }
1171
1172 typedef struct 
1173 {
1174         ModestMailOperation *mail_op;
1175         gchar *account_name;
1176         UpdateAccountCallback callback;
1177         gpointer user_data;
1178         TnyList *folders;
1179         gint pending_calls;
1180         gboolean poke_all;
1181         TnyFolderObserver *inbox_observer;
1182         RetrieveAllCallback retrieve_all_cb;
1183 } UpdateAccountInfo;
1184
1185
1186 static void
1187 destroy_update_account_info (UpdateAccountInfo *info)
1188 {
1189         g_free (info->account_name);
1190         g_object_unref (info->folders);
1191         g_object_unref (info->mail_op);
1192         g_slice_free (UpdateAccountInfo, info);
1193 }
1194
1195 static void
1196 update_account_get_msg_async_cb (TnyFolder *folder, 
1197                                  gboolean canceled, 
1198                                  TnyMsg *msg, 
1199                                  GError *err, 
1200                                  gpointer user_data)
1201 {
1202         GetMsgInfo *msg_info = (GetMsgInfo *) user_data;
1203
1204         /* Just delete the helper. Don't do anything with the new
1205            msg. There is also no need to check for errors */
1206         g_object_unref (msg_info->mail_op);
1207         g_object_unref (msg_info->header);
1208         g_slice_free (GetMsgInfo, msg_info);
1209 }
1210
1211 static void
1212 inbox_refreshed_cb (TnyFolder *inbox, 
1213                     gboolean canceled, 
1214                     GError *err, 
1215                     gpointer user_data)
1216 {       
1217         UpdateAccountInfo *info;
1218         ModestMailOperationPrivate *priv;
1219         TnyIterator *new_headers_iter;
1220         GPtrArray *new_headers_array = NULL;   
1221         gint max_size, retrieve_limit, i;
1222         ModestAccountMgr *mgr;
1223         ModestAccountRetrieveType retrieve_type;
1224         TnyList *new_headers = NULL;
1225         gboolean headers_only, ignore_limit;
1226         TnyTransportAccount *transport_account;
1227
1228         info = (UpdateAccountInfo *) user_data;
1229         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
1230         mgr = modest_runtime_get_account_mgr ();
1231
1232         if (canceled || err || !inbox) {
1233                 /* Try to send anyway */
1234                 goto send_mail;
1235         }
1236
1237         /* Get the message max size */
1238         max_size  = modest_conf_get_int (modest_runtime_get_conf (),
1239                                          MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1240         if (max_size == 0)
1241                 max_size = G_MAXINT;
1242         else
1243                 max_size = max_size * KB;
1244
1245         /* Create the new headers array. We need it to sort the
1246            new headers by date */
1247         new_headers_array = g_ptr_array_new ();
1248         new_headers_iter = tny_list_create_iterator (((InternalFolderObserver *) info->inbox_observer)->new_headers);
1249         while (!tny_iterator_is_done (new_headers_iter)) {
1250                 TnyHeader *header = NULL;
1251
1252                 header = TNY_HEADER (tny_iterator_get_current (new_headers_iter));
1253                 /* Apply per-message size limits */
1254                 if (tny_header_get_message_size (header) < max_size)
1255                         g_ptr_array_add (new_headers_array, g_object_ref (header));
1256                                 
1257                 g_object_unref (header);
1258                 tny_iterator_next (new_headers_iter);
1259         }
1260         g_object_unref (new_headers_iter);
1261         tny_folder_remove_observer (inbox, info->inbox_observer);
1262         g_object_unref (info->inbox_observer);
1263         info->inbox_observer = NULL;
1264
1265         /* Update the last updated key, even if we don't have to get new headers */
1266         modest_account_mgr_set_last_updated (mgr, tny_account_get_id (priv->account), time (NULL));
1267         
1268         if (new_headers_array->len == 0)
1269                 goto send_mail;
1270
1271         /* Get per-account message amount retrieval limit */
1272         retrieve_limit = modest_account_mgr_get_retrieve_limit (mgr, info->account_name);
1273         if (retrieve_limit == 0)
1274                 retrieve_limit = G_MAXINT;
1275         
1276         /* Get per-account retrieval type */
1277         retrieve_type = modest_account_mgr_get_retrieve_type (mgr, info->account_name); 
1278         headers_only = (retrieve_type == MODEST_ACCOUNT_RETRIEVE_HEADERS_ONLY);
1279
1280         /* Order by date */
1281         g_ptr_array_sort (new_headers_array, (GCompareFunc) compare_headers_by_date);
1282         
1283         /* Ask the users if they want to retrieve all the messages
1284            even though the limit was exceeded */
1285         ignore_limit = FALSE;
1286         if (new_headers_array->len > retrieve_limit) {
1287                 /* Ask the user if a callback has been specified and
1288                    if the mail operation has a source (this means that
1289                    was invoked by the user and not automatically by a
1290                    D-Bus method) */
1291                 if (info->retrieve_all_cb && priv->source)
1292                         ignore_limit = info->retrieve_all_cb (priv->source,
1293                                                               new_headers_array->len,
1294                                                               retrieve_limit);
1295         }
1296         
1297         if (!headers_only) {
1298                 gint msg_num = 0;
1299                 const gint msg_list_size = compute_message_array_size (new_headers_array);
1300
1301                 priv->done = 0;
1302                 if (ignore_limit)
1303                         priv->total = new_headers_array->len;
1304                 else
1305                         priv->total = MIN (new_headers_array->len, retrieve_limit);
1306                 while (msg_num < priv->total) {         
1307                         TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, msg_num));
1308                         TnyFolder *folder = tny_header_get_folder (header);
1309                         GetMsgInfo *msg_info;
1310
1311                         /* Create the message info */
1312                         msg_info = g_slice_new0 (GetMsgInfo);
1313                         msg_info->mail_op = g_object_ref (info->mail_op);
1314                         msg_info->header = g_object_ref (header);
1315                         msg_info->total_bytes = msg_list_size;
1316
1317                         /* Get message in an async way */
1318                         tny_folder_get_msg_async (folder, header, update_account_get_msg_async_cb, 
1319                                                   get_msg_status_cb, msg_info);
1320
1321                         g_object_unref (folder);
1322                         
1323                         msg_num++;
1324                 }
1325         }
1326
1327         /* Copy the headers to a list and free the array */
1328         new_headers = tny_simple_list_new ();
1329         for (i=0; i < new_headers_array->len; i++) {
1330                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, i));
1331                 tny_list_append (new_headers, G_OBJECT (header));
1332         }
1333         g_ptr_array_foreach (new_headers_array, (GFunc) g_object_unref, NULL);
1334         g_ptr_array_free (new_headers_array, FALSE);
1335
1336  send_mail:
1337         /* Get the transport account */
1338         transport_account = (TnyTransportAccount *)
1339                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1340                                                                                     info->account_name);
1341
1342         if (transport_account) {
1343                 ModestTnySendQueue *send_queue;
1344                 TnyFolder *outbox;
1345                 guint num_messages;
1346
1347                 send_queue = modest_runtime_get_send_queue (transport_account);
1348
1349                 /* Get outbox folder */
1350                 outbox = tny_send_queue_get_outbox (TNY_SEND_QUEUE (send_queue));
1351                 if (outbox) { /* this could fail in some cases */
1352                         num_messages = tny_folder_get_all_count (outbox);
1353                         g_object_unref (outbox);
1354                 } else {
1355                         g_warning ("%s: could not get outbox", __FUNCTION__);
1356                         num_messages = 0;
1357                 }
1358                 
1359                 if (num_messages != 0) {
1360                         /* Send mails */
1361                         g_object_unref (priv->account);
1362
1363                         /* Reenable suspended items */
1364                         modest_tny_send_queue_wakeup (MODEST_TNY_SEND_QUEUE (send_queue));
1365
1366                         /* Try to send */
1367                         tny_camel_send_queue_flush (TNY_CAMEL_SEND_QUEUE (send_queue));
1368                 }
1369         } 
1370
1371         /* Check if the operation was a success */
1372         if (!priv->error)
1373                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1374
1375         /* Set the account back to not busy */
1376         modest_account_mgr_set_account_busy (mgr, info->account_name, FALSE);
1377
1378         /* Call the user callback */
1379         if (info->callback)
1380                 info->callback (info->mail_op, new_headers, info->user_data);
1381
1382         /* Notify about operation end */
1383         modest_mail_operation_notify_end (info->mail_op);
1384
1385         /* Frees */
1386         if (new_headers)
1387                 g_object_unref (new_headers);
1388         destroy_update_account_info (info);
1389 }
1390
1391 static void 
1392 recurse_folders_async_cb (TnyFolderStore *folder_store, 
1393                           gboolean canceled,
1394                           TnyList *list, 
1395                           GError *err, 
1396                           gpointer user_data)
1397 {
1398         UpdateAccountInfo *info;
1399         ModestMailOperationPrivate *priv;
1400     
1401         info = (UpdateAccountInfo *) user_data;
1402         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
1403
1404         if (err || canceled) {
1405                 /* Try to continue anyway */
1406         } else {
1407                 TnyIterator *iter = tny_list_create_iterator (list);
1408                 while (!tny_iterator_is_done (iter)) {
1409                         TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1410                         TnyList *folders = tny_simple_list_new ();
1411
1412                         /* Add to the list of all folders */
1413                         tny_list_append (info->folders, (GObject *) folder);
1414                         
1415                         /* Add pending call */
1416                         info->pending_calls++;
1417                         
1418                         tny_folder_store_get_folders_async (folder, folders, NULL,
1419                                                             recurse_folders_async_cb, 
1420                                                             NULL, info);
1421                         
1422                         g_object_unref (G_OBJECT (folder));
1423                         
1424                         tny_iterator_next (iter);           
1425                 }
1426                 g_object_unref (G_OBJECT (iter));
1427                 g_object_unref (G_OBJECT (list));
1428         }
1429
1430         /* Remove my own pending call */
1431         info->pending_calls--;
1432
1433         /* This means that we have all the folders */
1434         if (info->pending_calls == 0) {
1435                 TnyIterator *iter_all_folders;
1436                 TnyFolder *inbox = NULL;
1437
1438                 iter_all_folders = tny_list_create_iterator (info->folders);
1439
1440                 /* Do a poke status over all folders */
1441                 while (!tny_iterator_is_done (iter_all_folders) &&
1442                        priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS) {
1443                         TnyFolder *folder = NULL;
1444
1445                         folder = TNY_FOLDER (tny_iterator_get_current (iter_all_folders));
1446
1447                         if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_INBOX) {
1448                                 /* Get a reference to the INBOX */
1449                                 inbox = g_object_ref (folder);
1450                         } else {
1451                                 /* Issue a poke status over the folder */
1452                                 if (info->poke_all)
1453                                         tny_folder_poke_status (folder);
1454                         }
1455
1456                         /* Free and go to next */
1457                         g_object_unref (folder);
1458                         tny_iterator_next (iter_all_folders);
1459                 }
1460                 g_object_unref (iter_all_folders);
1461
1462                 /* Refresh the INBOX */
1463                 if (inbox) {
1464                         /* Refresh the folder. Our observer receives
1465                          * the new emails during folder refreshes, so
1466                          * we can use observer->new_headers
1467                          */
1468                         info->inbox_observer = g_object_new (internal_folder_observer_get_type (), NULL);
1469                         tny_folder_add_observer (inbox, info->inbox_observer);
1470
1471                         /* Refresh the INBOX */
1472                         tny_folder_refresh_async (inbox, inbox_refreshed_cb, NULL, info);
1473                         g_object_unref (inbox);
1474                 } else {
1475                         /* We could not perform the inbox refresh but
1476                            we'll try to send mails anyway */
1477                         inbox_refreshed_cb (inbox, FALSE, NULL, info);
1478                 }
1479         }
1480 }
1481
1482 void
1483 modest_mail_operation_update_account (ModestMailOperation *self,
1484                                       const gchar *account_name,
1485                                       gboolean poke_all,
1486                                       RetrieveAllCallback retrieve_all_cb,
1487                                       UpdateAccountCallback callback,
1488                                       gpointer user_data)
1489 {
1490         UpdateAccountInfo *info = NULL;
1491         ModestMailOperationPrivate *priv = NULL;
1492         ModestTnyAccountStore *account_store = NULL;
1493         TnyStoreAccount *store_account = NULL;
1494         TnyList *folders;
1495         ModestMailOperationState *state;
1496
1497         /* Init mail operation */
1498         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1499         priv->total = 0;
1500         priv->done  = 0;
1501         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1502         priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE;
1503
1504         /* Get the store account */
1505         account_store = modest_runtime_get_account_store ();
1506         store_account = (TnyStoreAccount *)
1507                 modest_tny_account_store_get_server_account (account_store,
1508                                                              account_name,
1509                                                              TNY_ACCOUNT_TYPE_STORE);
1510         priv->account = g_object_ref (store_account);
1511
1512         /* Create the helper object */
1513         info = g_slice_new0 (UpdateAccountInfo);
1514         info->pending_calls = 1;
1515         info->folders = tny_simple_list_new ();
1516         info->mail_op = g_object_ref (self);
1517         info->poke_all = poke_all;
1518         info->account_name = g_strdup (account_name);
1519         info->callback = callback;
1520         info->user_data = user_data;
1521         info->retrieve_all_cb = retrieve_all_cb;
1522
1523         /* Set account busy */
1524         modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr (), account_name, TRUE);
1525         modest_mail_operation_notify_start (self);
1526
1527         /* notify about the start of the operation */ 
1528         state = modest_mail_operation_clone_state (self);
1529         state->done = 0;
1530         state->total = 0;
1531
1532         /* Start notifying progress */
1533         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1534         g_slice_free (ModestMailOperationState, state);
1535         
1536         /* Get all folders and continue in the callback */ 
1537         folders = tny_simple_list_new ();
1538         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (store_account),
1539                                             folders, NULL,
1540                                             recurse_folders_async_cb, 
1541                                             NULL, info);
1542 }
1543
1544 /*
1545  * Used to notify the queue from the main
1546  * loop. We call it inside an idle call to achieve that
1547  */
1548 static gboolean
1549 idle_notify_queue (gpointer data)
1550 {
1551         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1552
1553         gdk_threads_enter ();
1554         modest_mail_operation_notify_end (mail_op);
1555         gdk_threads_leave ();
1556         g_object_unref (mail_op);
1557
1558         return FALSE;
1559 }
1560
1561 static int
1562 compare_headers_by_date (gconstpointer a,
1563                          gconstpointer b)
1564 {
1565         TnyHeader **header1, **header2;
1566         time_t sent1, sent2;
1567
1568         header1 = (TnyHeader **) a;
1569         header2 = (TnyHeader **) b;
1570
1571         sent1 = tny_header_get_date_sent (*header1);
1572         sent2 = tny_header_get_date_sent (*header2);
1573
1574         /* We want the most recent ones (greater time_t) at the
1575            beginning */
1576         if (sent1 < sent2)
1577                 return 1;
1578         else
1579                 return -1;
1580 }
1581
1582
1583 /* ******************************************************************* */
1584 /* ************************** STORE  ACTIONS ************************* */
1585 /* ******************************************************************* */
1586
1587 typedef struct {
1588         ModestMailOperation *mail_op;
1589         CreateFolderUserCallback callback;
1590         gpointer user_data;
1591 } CreateFolderInfo;
1592
1593
1594 static void
1595 create_folder_cb (TnyFolderStore *parent_folder, 
1596                   gboolean canceled, 
1597                   TnyFolder *new_folder, 
1598                   GError *err, 
1599                   gpointer user_data)
1600 {
1601         ModestMailOperationPrivate *priv;
1602         CreateFolderInfo *info;
1603
1604         info = (CreateFolderInfo *) user_data;
1605         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
1606
1607         if (canceled || err) {
1608                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1609                 if (err)
1610                         priv->error = g_error_copy (err);
1611                 else
1612                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1613                                      MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1614                                      "canceled");               
1615         } else {
1616                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1617         }
1618
1619         /* The user will unref the new_folder */
1620         if (info->callback)
1621                 info->callback (info->mail_op, parent_folder, 
1622                                 new_folder, info->user_data);
1623         
1624         /* Notify about operation end */
1625         modest_mail_operation_notify_end (info->mail_op);
1626
1627         /* Frees */
1628         g_object_unref (info->mail_op);
1629         g_slice_free (CreateFolderInfo, info);
1630 }
1631
1632 void
1633 modest_mail_operation_create_folder (ModestMailOperation *self,
1634                                      TnyFolderStore *parent,
1635                                      const gchar *name,
1636                                      CreateFolderUserCallback callback,
1637                                      gpointer user_data)
1638 {
1639         ModestMailOperationPrivate *priv;
1640
1641         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1642         g_return_if_fail (name);
1643         
1644         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1645         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
1646         priv->account = (TNY_IS_ACCOUNT (parent)) ? 
1647                 g_object_ref (parent) : 
1648                 modest_tny_folder_get_account (TNY_FOLDER (parent));
1649
1650         /* Check for already existing folder */
1651         if (modest_tny_folder_has_subfolder_with_name (parent, name, TRUE)) {
1652                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1653                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1654                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1655                              _CS("ckdg_ib_folder_already_exists"));
1656         }
1657
1658         /* Check parent */
1659         if (TNY_IS_FOLDER (parent)) {
1660                 /* Check folder rules */
1661                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1662                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1663                         /* Set status failed and set an error */
1664                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1665                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1666                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1667                                      _("mail_in_ui_folder_create_error"));
1668                 }
1669         }
1670
1671         if (!strcmp (name, " ") || strchr (name, '/')) {
1672                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1673                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1674                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1675                              _("mail_in_ui_folder_create_error"));
1676         }
1677
1678         if (!priv->error) {
1679                 CreateFolderInfo *info;
1680
1681                 info = g_slice_new0 (CreateFolderInfo);
1682                 info->mail_op = g_object_ref (self);
1683                 info->callback = callback;
1684                 info->user_data = user_data;
1685
1686                 modest_mail_operation_notify_start (self);
1687
1688                 /* Create the folder */
1689                 tny_folder_store_create_folder_async (parent, name, create_folder_cb, 
1690                                                       NULL, info);
1691         } else {
1692                 /* Call the user callback anyway */
1693                 if (callback)
1694                         callback (self, parent, NULL, user_data);
1695                 /* Notify about operation end */
1696                 modest_mail_operation_notify_end (self);
1697         }
1698 }
1699
1700 void
1701 modest_mail_operation_remove_folder (ModestMailOperation *self,
1702                                      TnyFolder           *folder,
1703                                      gboolean             remove_to_trash)
1704 {
1705         TnyAccount *account;
1706         ModestMailOperationPrivate *priv;
1707         ModestTnyFolderRules rules;
1708
1709         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1710         g_return_if_fail (TNY_IS_FOLDER (folder));
1711         
1712         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1713         
1714         /* Check folder rules */
1715         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1716         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1717                 /* Set status failed and set an error */
1718                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1719                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1720                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1721                              _("mail_in_ui_folder_delete_error"));
1722                 goto end;
1723         }
1724
1725         /* Get the account */
1726         account = modest_tny_folder_get_account (folder);
1727         priv->account = g_object_ref(account);
1728         priv->op_type = MODEST_MAIL_OPERATION_TYPE_DELETE;
1729
1730         /* Delete folder or move to trash */
1731         if (remove_to_trash) {
1732                 TnyFolder *trash_folder = NULL;
1733                 trash_folder = modest_tny_account_get_special_folder (account,
1734                                                                       TNY_FOLDER_TYPE_TRASH);
1735                 /* TODO: error_handling */
1736                 if (trash_folder) {
1737                         modest_mail_operation_notify_start (self);
1738                         modest_mail_operation_xfer_folder (self, folder,
1739                                                     TNY_FOLDER_STORE (trash_folder), 
1740                                                     TRUE, NULL, NULL);
1741                         g_object_unref (trash_folder);
1742                 } else {
1743                         g_warning ("%s: modest_tny_account_get_special_folder(..) returned a NULL trash folder", __FUNCTION__);
1744                 }
1745         } else {
1746                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1747                 if (parent) {
1748                         modest_mail_operation_notify_start (self);
1749                         tny_folder_store_remove_folder (parent, folder, &(priv->error));
1750                         CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1751                         
1752                         if (!priv->error)
1753                                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1754
1755                         g_object_unref (parent);
1756                 } else
1757                         g_warning ("%s: could not get parent folder", __FUNCTION__);
1758         }
1759         g_object_unref (G_OBJECT (account));
1760
1761  end:
1762         /* Notify about operation end */
1763         modest_mail_operation_notify_end (self);
1764 }
1765
1766 static void
1767 transfer_folder_status_cb (GObject *obj,
1768                            TnyStatus *status,
1769                            gpointer user_data)
1770 {
1771         ModestMailOperation *self;
1772         ModestMailOperationPrivate *priv;
1773         ModestMailOperationState *state;
1774         XFerFolderAsyncHelper *helper;
1775
1776         g_return_if_fail (status != NULL);
1777         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1778
1779         helper = (XFerFolderAsyncHelper *) user_data;
1780         g_return_if_fail (helper != NULL);
1781
1782         self = helper->mail_op;
1783         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1784
1785         priv->done = status->position;
1786         priv->total = status->of_total;
1787
1788         state = modest_mail_operation_clone_state (self);
1789
1790         /* This is not a GDK lock because we are a Tinymail callback
1791          * which is already GDK locked by Tinymail */
1792
1793         /* no gdk_threads_enter (), CHECKED */
1794
1795         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1796
1797         /* no gdk_threads_leave (), CHECKED */
1798
1799         g_slice_free (ModestMailOperationState, state);
1800 }
1801
1802
1803 static void
1804 transfer_folder_cb (TnyFolder *folder, 
1805                     gboolean cancelled, 
1806                     TnyFolderStore *into, 
1807                     TnyFolder *new_folder, 
1808                     GError *err, 
1809                     gpointer user_data)
1810 {
1811         XFerFolderAsyncHelper *helper;
1812         ModestMailOperation *self = NULL;
1813         ModestMailOperationPrivate *priv = NULL;
1814
1815         helper = (XFerFolderAsyncHelper *) user_data;
1816         g_return_if_fail (helper != NULL);       
1817
1818         self = helper->mail_op;
1819         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1820
1821         if (err) {
1822                 priv->error = g_error_copy (err);
1823                 priv->done = 0;
1824                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1825         } else if (cancelled) {
1826                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1827                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1828                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1829                              _("Transference of %s was cancelled."),
1830                              tny_folder_get_name (folder));
1831         } else {
1832                 priv->done = 1;
1833                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1834         }
1835                 
1836         /* Notify about operation end */
1837         modest_mail_operation_notify_end (self);
1838
1839         /* If user defined callback function was defined, call it */
1840         if (helper->user_callback) {
1841
1842                 /* This is not a GDK lock because we are a Tinymail callback
1843                  * which is already GDK locked by Tinymail */
1844
1845                 /* no gdk_threads_enter (), CHECKED */
1846                 helper->user_callback (self, new_folder, helper->user_data);
1847                 /* no gdk_threads_leave () , CHECKED */
1848         }
1849
1850         /* Free */
1851         g_object_unref (helper->mail_op);
1852         g_slice_free   (XFerFolderAsyncHelper, helper);
1853 }
1854
1855 /**
1856  *
1857  * This function checks if the new name is a valid name for our local
1858  * folders account. The new name could not be the same than then name
1859  * of any of the mandatory local folders
1860  *
1861  * We can not rely on tinymail because tinymail does not check the
1862  * name of the virtual folders that the account could have in the case
1863  * that we're doing a rename (because it directly calls Camel which
1864  * knows nothing about our virtual folders). 
1865  *
1866  * In the case of an actual copy/move (i.e. move/copy a folder between
1867  * accounts) tinymail uses the tny_folder_store_create_account which
1868  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1869  * checks the new name of the folder, so this call in that case
1870  * wouldn't be needed. *But* NOTE that if tinymail changes its
1871  * implementation (if folder transfers within the same account is no
1872  * longer implemented as a rename) this call will allow Modest to work
1873  * perfectly
1874  *
1875  * If the new name is not valid, this function will set the status to
1876  * failed and will set also an error in the mail operation
1877  */
1878 static gboolean
1879 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1880                                  TnyFolderStore *into,
1881                                  const gchar *new_name)
1882 {
1883         if (TNY_IS_ACCOUNT (into) && 
1884             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1885             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1886                                                                  new_name)) {
1887                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1888                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1889                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1890                              _CS("ckdg_ib_folder_already_exists"));
1891                 return FALSE;
1892         } else
1893                 return TRUE;
1894 }
1895
1896 void
1897 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1898                                    TnyFolder *folder,
1899                                    TnyFolderStore *parent,
1900                                    gboolean delete_original,
1901                                    XferFolderAsyncUserCallback user_callback,
1902                                    gpointer user_data)
1903 {
1904         ModestMailOperationPrivate *priv = NULL;
1905         ModestTnyFolderRules parent_rules = 0, rules; 
1906         XFerFolderAsyncHelper *helper = NULL;
1907         const gchar *folder_name = NULL;
1908         const gchar *error_msg;
1909
1910         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1911         g_return_if_fail (TNY_IS_FOLDER (folder));
1912         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1913
1914         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1915         folder_name = tny_folder_get_name (folder);
1916
1917         /* Set the error msg */
1918         error_msg = _("mail_in_ui_folder_move_target_error");
1919
1920         /* Get account and set it into mail_operation */
1921         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1922         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1923         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1924
1925         /* Get folder rules */
1926         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1927         if (TNY_IS_FOLDER (parent))
1928                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1929         
1930         /* Apply operation constraints */
1931         if ((gpointer) parent == (gpointer) folder ||
1932             (!TNY_IS_FOLDER_STORE (parent)) || 
1933             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1934                 /* Folder rules */
1935                 goto error;
1936         } else if (TNY_IS_FOLDER (parent) && 
1937                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1938                 /* Folder rules */
1939                 goto error;
1940
1941         } else if (TNY_IS_FOLDER (parent) &&
1942                    TNY_IS_FOLDER_STORE (folder) &&
1943                    modest_tny_folder_is_ancestor (TNY_FOLDER (parent), 
1944                                                   TNY_FOLDER_STORE (folder))) {
1945                 /* Do not move a parent into a child */
1946                 goto error;
1947         } else if (TNY_IS_FOLDER_STORE (parent) &&
1948                    modest_tny_folder_has_subfolder_with_name (parent, folder_name, TRUE)) {
1949                 /* Check that the new folder name is not used by any
1950                    parent subfolder */
1951                 goto error;     
1952         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1953                 /* Check that the new folder name is not used by any
1954                    special local folder */
1955                 goto error;
1956         } else {
1957                 /* Create the helper */
1958                 helper = g_slice_new0 (XFerFolderAsyncHelper);
1959                 helper->mail_op = g_object_ref (self);
1960                 helper->user_callback = user_callback;
1961                 helper->user_data = user_data;
1962                 
1963                 /* Move/Copy folder */
1964                 modest_mail_operation_notify_start (self);
1965                 tny_folder_copy_async (folder,
1966                                        parent,
1967                                        tny_folder_get_name (folder),
1968                                        delete_original,
1969                                        transfer_folder_cb,
1970                                        transfer_folder_status_cb,
1971                                        helper);
1972                 return;
1973         }
1974
1975  error:
1976         /* Set status failed and set an error */
1977         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1978         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1979                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1980                      error_msg);
1981
1982         /* Call the user callback if exists */
1983         if (user_callback)
1984                 user_callback (self, NULL, user_data);
1985
1986         /* Notify the queue */
1987         modest_mail_operation_notify_end (self);
1988 }
1989
1990 void
1991 modest_mail_operation_rename_folder (ModestMailOperation *self,
1992                                      TnyFolder *folder,
1993                                      const gchar *name,
1994                                      XferFolderAsyncUserCallback user_callback,
1995                                      gpointer user_data)
1996 {
1997         ModestMailOperationPrivate *priv;
1998         ModestTnyFolderRules rules;
1999         XFerFolderAsyncHelper *helper;
2000
2001         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2002         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
2003         g_return_if_fail (name);
2004         
2005         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2006
2007         /* Get account and set it into mail_operation */
2008         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2009         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
2010
2011         /* Check folder rules */
2012         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2013         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
2014                 goto error;
2015         } else if (!strcmp (name, " ") || strchr (name, '/')) {
2016                 goto error;
2017         } else {
2018                 TnyFolderStore *into;
2019
2020                 into = tny_folder_get_folder_store (folder);    
2021
2022                 /* Check that the new folder name is not used by any
2023                    special local folder */
2024                 if (new_name_valid_if_local_account (priv, into, name)) {
2025                         /* Create the helper */
2026                         helper = g_slice_new0 (XFerFolderAsyncHelper);
2027                         helper->mail_op = g_object_ref(self);
2028                         helper->user_callback = user_callback;
2029                         helper->user_data = user_data;
2030                 
2031                         /* Rename. Camel handles folder subscription/unsubscription */
2032                         modest_mail_operation_notify_start (self);
2033                         tny_folder_copy_async (folder, into, name, TRUE,
2034                                                transfer_folder_cb,
2035                                                transfer_folder_status_cb,
2036                                                helper);
2037                 } else {
2038                         goto error;
2039                 }
2040                 g_object_unref (into);
2041
2042                 return;
2043         }
2044  error:
2045         /* Set status failed and set an error */
2046         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2047         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2048                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2049                      _("FIXME: unable to rename"));
2050         
2051         if (user_callback)
2052                 user_callback (self, NULL, user_data);
2053
2054         /* Notify about operation end */
2055         modest_mail_operation_notify_end (self);
2056 }
2057
2058 /* ******************************************************************* */
2059 /* **************************  MSG  ACTIONS  ************************* */
2060 /* ******************************************************************* */
2061
2062 void 
2063 modest_mail_operation_get_msg (ModestMailOperation *self,
2064                                TnyHeader *header,
2065                                GetMsgAsyncUserCallback user_callback,
2066                                gpointer user_data)
2067 {
2068         GetMsgInfo *helper = NULL;
2069         TnyFolder *folder;
2070         ModestMailOperationPrivate *priv;
2071         
2072         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2073         g_return_if_fail (TNY_IS_HEADER (header));
2074         
2075         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2076         folder = tny_header_get_folder (header);
2077
2078         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2079         priv->total = 1;
2080         priv->done = 0;
2081
2082         /* Get account and set it into mail_operation */
2083         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2084         
2085         /* Check for cached messages */
2086         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2087                 priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2088         else 
2089                 priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2090         
2091         /* Create the helper */
2092         helper = g_slice_new0 (GetMsgInfo);
2093         helper->header = g_object_ref (header);
2094         helper->mail_op = g_object_ref (self);
2095         helper->user_callback = user_callback;
2096         helper->user_data = user_data;
2097         helper->destroy_notify = NULL;
2098         helper->last_total_bytes = 0;
2099         helper->sum_total_bytes = 0;
2100         helper->total_bytes = tny_header_get_message_size (header);
2101
2102         modest_mail_operation_notify_start (self);
2103         
2104         /* notify about the start of the operation */ 
2105         ModestMailOperationState *state;
2106         state = modest_mail_operation_clone_state (self);
2107         state->done = 0;
2108         state->total = 0;
2109         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 
2110                                 0, state, NULL);
2111         
2112         tny_folder_get_msg_async (folder, header, get_msg_async_cb, get_msg_status_cb, helper);
2113
2114         g_object_unref (G_OBJECT (folder));
2115 }
2116
2117 static void     
2118 get_msg_status_cb (GObject *obj,
2119                    TnyStatus *status,  
2120                    gpointer user_data)
2121 {
2122         GetMsgInfo *helper = NULL;
2123
2124         g_return_if_fail (status != NULL);
2125         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2126
2127         helper = (GetMsgInfo *) user_data;
2128         g_return_if_fail (helper != NULL);       
2129
2130         /* Notify progress */
2131         notify_progress_of_multiple_messages (helper->mail_op, status, &(helper->last_total_bytes), 
2132                                               &(helper->sum_total_bytes), helper->total_bytes, FALSE);
2133 }
2134
2135 static void
2136 get_msg_async_cb (TnyFolder *folder, 
2137                   gboolean canceled, 
2138                   TnyMsg *msg, 
2139                   GError *err, 
2140                   gpointer user_data)
2141 {
2142         GetMsgInfo *info = NULL;
2143         ModestMailOperationPrivate *priv = NULL;
2144         gboolean finished;
2145
2146         info = (GetMsgInfo *) user_data;
2147
2148         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2149         priv->done++;
2150
2151         if (info->more_msgs) {
2152                 tny_iterator_next (info->more_msgs);
2153                 finished = (tny_iterator_is_done (info->more_msgs));
2154         } else {
2155                 finished = (priv->done == priv->total) ? TRUE : FALSE;
2156         }
2157
2158         /* Check errors */
2159         if (canceled || err) {
2160                 priv->status = MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS;
2161                 if (err) {
2162                         priv->error = g_error_copy ((const GError *) err);
2163                         priv->error->domain = MODEST_MAIL_OPERATION_ERROR;
2164                 }
2165                 if (!priv->error) {
2166                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2167                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2168                                      err->message);
2169                 }
2170         } else if (finished && priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS) {
2171                 /* Set the success status before calling the user callback */
2172                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2173         } else if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED) {
2174                 canceled = TRUE;
2175                 finished = TRUE;
2176         }
2177
2178
2179         /* Call the user callback */
2180         if (info->user_callback)
2181                 info->user_callback (info->mail_op, info->header, canceled, 
2182                                      msg, err, info->user_data);
2183
2184         /* Notify about operation end if this is the last callback */
2185         if (finished) {
2186                 /* Free user data */
2187                 if (info->destroy_notify)
2188                         info->destroy_notify (info->user_data);
2189
2190                 /* Notify about operation end */
2191                 modest_mail_operation_notify_end (info->mail_op);
2192
2193                 /* Clean */
2194                 if (info->more_msgs)
2195                         g_object_unref (info->more_msgs);
2196                 g_object_unref (info->header);
2197                 g_object_unref (info->mail_op);
2198                 g_slice_free (GetMsgInfo, info);
2199         } else if (info->more_msgs) {
2200                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (info->more_msgs));
2201                 TnyFolder *folder = tny_header_get_folder (header);
2202
2203                 g_object_unref (info->header);
2204                 info->header = g_object_ref (header);
2205
2206                 /* Retrieve the next message */
2207                 tny_folder_get_msg_async (folder, header, get_msg_async_cb, get_msg_status_cb, info);
2208
2209                 g_object_unref (header);
2210                 g_object_unref (folder);
2211         } else {
2212                 g_warning ("%s: finished != TRUE but no messages left", __FUNCTION__);
2213         }
2214 }
2215
2216 void 
2217 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2218                                      TnyList *header_list, 
2219                                      GetMsgAsyncUserCallback user_callback,
2220                                      gpointer user_data,
2221                                      GDestroyNotify notify)
2222 {
2223         ModestMailOperationPrivate *priv = NULL;
2224         gint msg_list_size;
2225         TnyIterator *iter = NULL;
2226         
2227         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2228
2229         /* Init mail operation */
2230         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2231         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2232         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2233         priv->done = 0;
2234         priv->total = tny_list_get_length(header_list);
2235
2236         /* Get account and set it into mail_operation */
2237         if (tny_list_get_length (header_list) >= 1) {
2238                 TnyIterator *iterator = tny_list_create_iterator (header_list);
2239                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iterator));
2240                 if (header) {
2241                         TnyFolder *folder = tny_header_get_folder (header);
2242                         if (folder) {           
2243                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2244                                 g_object_unref (folder);
2245                         }
2246                         g_object_unref (header);
2247                 }
2248                 g_object_unref (iterator);
2249         }
2250
2251         msg_list_size = compute_message_list_size (header_list);
2252
2253         modest_mail_operation_notify_start (self);
2254         iter = tny_list_create_iterator (header_list);
2255         if (!tny_iterator_is_done (iter)) {
2256                 /* notify about the start of the operation */
2257                 ModestMailOperationState *state;
2258                 state = modest_mail_operation_clone_state (self);
2259                 state->done = 0;
2260                 state->total = 0;
2261                 g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL],
2262                                0, state, NULL);
2263
2264                 GetMsgInfo *msg_info = NULL;
2265                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
2266                 TnyFolder *folder = tny_header_get_folder (header);
2267
2268                 /* Create the message info */
2269                 msg_info = g_slice_new0 (GetMsgInfo);
2270                 msg_info->mail_op = g_object_ref (self);
2271                 msg_info->header = g_object_ref (header);
2272                 msg_info->more_msgs = g_object_ref (iter);
2273                 msg_info->user_callback = user_callback;
2274                 msg_info->user_data = user_data;
2275                 msg_info->destroy_notify = notify;
2276                 msg_info->last_total_bytes = 0;
2277                 msg_info->sum_total_bytes = 0;
2278                 msg_info->total_bytes = msg_list_size;
2279
2280                 /* The callback will call it per each header */
2281                 tny_folder_get_msg_async (folder, header, get_msg_async_cb, get_msg_status_cb, msg_info);
2282
2283                 /* Free and go on */
2284                 g_object_unref (header);
2285                 g_object_unref (folder);
2286                 g_slice_free (ModestMailOperationState, state);
2287         }
2288         g_object_unref (iter);
2289 }
2290
2291
2292 void 
2293 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2294                                   TnyHeader *header,
2295                                   gboolean remove_to_trash /*ignored*/)
2296 {
2297         TnyFolder *folder;
2298         ModestMailOperationPrivate *priv;
2299
2300         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2301         g_return_if_fail (TNY_IS_HEADER (header));
2302
2303         if (remove_to_trash)
2304                 g_warning ("remove to trash is not implemented");
2305
2306         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2307         folder = tny_header_get_folder (header);
2308
2309         /* Get account and set it into mail_operation */
2310         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2311         priv->op_type = MODEST_MAIL_OPERATION_TYPE_DELETE;
2312         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2313
2314         /* remove message from folder */
2315         tny_folder_remove_msg (folder, header, &(priv->error));
2316         if (!priv->error) {
2317                 gboolean expunge, leave_on_server;
2318                 const gchar *account_name;
2319                 TnyAccount *account;
2320                 ModestTransportStoreProtocol account_proto;
2321
2322                 tny_header_set_flag (header, TNY_HEADER_FLAG_DELETED);
2323                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
2324
2325                 modest_mail_operation_notify_start (self);
2326
2327                 /* Get leave on server setting */
2328                 account = tny_folder_get_account (folder);
2329                 account_name = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
2330                 leave_on_server =
2331                         modest_account_mgr_get_leave_on_server (modest_runtime_get_account_mgr (),
2332                                                                 account_name);
2333
2334                 account_proto = modest_protocol_info_get_transport_store_protocol (tny_account_get_proto (account));
2335
2336                 if (((account_proto == MODEST_PROTOCOL_STORE_POP) && !leave_on_server) ||
2337                     modest_tny_folder_is_remote_folder (folder) == FALSE)
2338                         expunge = TRUE;
2339                 else
2340                         expunge = FALSE;
2341
2342                 /* Sync folder */
2343                 tny_folder_sync_async(folder, expunge, NULL, NULL, NULL);
2344
2345                 /* Unref */
2346                 g_object_unref (account);
2347         }
2348         
2349         
2350         /* Set status */
2351         if (!priv->error)
2352                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2353         else
2354                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2355
2356         /* Free */
2357         g_object_unref (G_OBJECT (folder));
2358
2359         /* Notify about operation end */
2360         modest_mail_operation_notify_end (self);
2361 }
2362
2363 void 
2364 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2365                                    TnyList *headers,
2366                                   gboolean remove_to_trash /*ignored*/)
2367 {
2368         TnyFolder *folder = NULL;
2369         ModestMailOperationPrivate *priv;
2370         TnyIterator *iter = NULL;
2371         TnyHeader *header = NULL;
2372         TnyList *remove_headers = NULL;
2373         TnyFolderType folder_type = TNY_FOLDER_TYPE_UNKNOWN;
2374
2375         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2376         g_return_if_fail (TNY_IS_LIST (headers));
2377
2378         if (remove_to_trash)
2379                 g_warning ("remove to trash is not implemented");
2380
2381         if (tny_list_get_length(headers) == 0) {
2382                 g_warning ("%s: list of headers is empty\n", __FUNCTION__);
2383                 goto cleanup; /* nothing to do */
2384         }
2385         
2386         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2387         remove_headers = g_object_ref(headers);
2388
2389         /* Get folder from first header and sync it */
2390         iter = tny_list_create_iterator (headers);      
2391         header = TNY_HEADER (tny_iterator_get_current (iter));
2392
2393         folder = tny_header_get_folder (header);        
2394         if (!TNY_IS_FOLDER(folder)) {
2395                 g_warning ("%s: could not get folder for header\n", __FUNCTION__);
2396                 goto cleanup;
2397         }
2398
2399         /* Don't remove messages that are being sent */
2400         if (modest_tny_folder_is_local_folder (folder)) {
2401                 folder_type = modest_tny_folder_get_local_or_mmc_folder_type (folder);
2402         }
2403         if (folder_type == TNY_FOLDER_TYPE_OUTBOX) {
2404                 TnyTransportAccount *traccount = NULL;
2405                 ModestTnyAccountStore *accstore = modest_runtime_get_account_store();
2406                 traccount = modest_tny_account_store_get_transport_account_from_outbox_header(accstore, header);
2407                 if (traccount) {
2408                         ModestTnySendQueueStatus status;
2409                         ModestTnySendQueue *send_queue = modest_runtime_get_send_queue(traccount);
2410                         TnyIterator *iter = tny_list_create_iterator(headers);
2411                         g_object_unref(remove_headers);
2412                         remove_headers = TNY_LIST(tny_simple_list_new());
2413                         while (!tny_iterator_is_done(iter)) {
2414                                 char *msg_id;
2415                                 TnyHeader *hdr = TNY_HEADER(tny_iterator_get_current(iter));
2416                                 msg_id = modest_tny_send_queue_get_msg_id (hdr);
2417                                 status = modest_tny_send_queue_get_msg_status(send_queue, msg_id);
2418                                 if (status != MODEST_TNY_SEND_QUEUE_SENDING) {
2419                                         tny_list_append(remove_headers, G_OBJECT(hdr));
2420                                 }
2421                                 g_object_unref(hdr);
2422                                 g_free(msg_id);
2423                                 tny_iterator_next(iter);
2424                         }
2425                         g_object_unref(iter);
2426                         g_object_unref(traccount);
2427                 }
2428         }
2429
2430         /* Get account and set it into mail_operation */
2431         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2432         priv->op_type = MODEST_MAIL_OPERATION_TYPE_DELETE;
2433         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2434
2435         /* remove message from folder */
2436         modest_mail_operation_notify_start (self);
2437
2438         tny_folder_remove_msgs (folder, remove_headers, &(priv->error));
2439         if (!priv->error) {
2440                 gboolean expunge, leave_on_server;
2441                 const gchar *account_name;
2442                 const gchar *proto;
2443                 TnyAccount *account;
2444                 ModestTransportStoreProtocol account_proto = MODEST_PROTOCOL_TRANSPORT_STORE_UNKNOWN;
2445                 
2446                 account = tny_folder_get_account (folder);
2447                 account_name = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
2448                 leave_on_server =
2449                         modest_account_mgr_get_leave_on_server (modest_runtime_get_account_mgr (),
2450                                                                 account_name);
2451                 
2452                 proto = tny_account_get_proto (account);
2453                 if (proto) {
2454                         account_proto = modest_protocol_info_get_transport_store_protocol (proto);
2455                 }
2456                 
2457                 if (((account_proto == MODEST_PROTOCOL_STORE_POP) && !leave_on_server) ||
2458                     modest_tny_folder_is_remote_folder (folder) == FALSE)
2459                         expunge = TRUE;
2460                 else
2461                         expunge = FALSE;
2462
2463                 /* Sync folder */
2464                 tny_folder_sync_async(folder, expunge, NULL, NULL, NULL);
2465                 
2466                 g_object_unref (account);
2467         }
2468         
2469         
2470         /* Set status */
2471         if (!priv->error)
2472                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2473         else
2474                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2475
2476         /* Free */
2477 cleanup:
2478         if (remove_headers)
2479                 g_object_unref (remove_headers);
2480         if (header)
2481                 g_object_unref (header);
2482         if (iter)
2483                 g_object_unref (iter);
2484         if (folder)
2485                 g_object_unref (folder);
2486
2487         /* Notify about operation end */
2488         modest_mail_operation_notify_end (self);
2489 }
2490
2491 static void
2492 notify_progress_of_multiple_messages (ModestMailOperation *self,
2493                                       TnyStatus *status,
2494                                       gint *last_total_bytes,
2495                                       gint *sum_total_bytes,
2496                                       gint total_bytes, 
2497                                       gboolean increment_done)
2498 {
2499         ModestMailOperationPrivate *priv;
2500         ModestMailOperationState *state;
2501         gboolean is_num_bytes = FALSE;
2502
2503         priv =  MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2504
2505         /* We know that tinymail sends us information about
2506          *  transferred bytes with this particular message
2507          *  
2508          *  (FIXME: this is very ugly, and no I (djcb) didn't write this code,
2509          *  I just added the 'if' so we don't get runtime warning)
2510          */
2511         if (status->message)
2512                 is_num_bytes = (g_ascii_strcasecmp (status->message, "Retrieving message") == 0);
2513
2514         state = modest_mail_operation_clone_state (self);
2515         if (is_num_bytes && !((status->position == 1) && (status->of_total == 100))) {
2516                 /* We know that we're in a different message when the
2517                    total number of bytes to transfer is different. Of
2518                    course it could fail if we're transferring messages
2519                    of the same size, but this is a workarround */
2520                 if (status->of_total != *last_total_bytes) {
2521                         /* We need to increment the done when there is
2522                            no information about each individual
2523                            message, we need to do this in message
2524                            transfers, and we don't do it for getting
2525                            messages */
2526                         if (increment_done)
2527                                 priv->done++;
2528                         *sum_total_bytes += *last_total_bytes;
2529                         *last_total_bytes = status->of_total;
2530                 }
2531                 state->bytes_done += status->position + *sum_total_bytes;
2532                 state->bytes_total = total_bytes;
2533
2534                 /* Notify the status change. Only notify about changes
2535                    referred to bytes */
2536                 g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 
2537                                0, state, NULL);
2538         }
2539
2540         g_slice_free (ModestMailOperationState, state);
2541 }
2542
2543 static void
2544 transfer_msgs_status_cb (GObject *obj,
2545                          TnyStatus *status,  
2546                          gpointer user_data)
2547 {
2548         XFerMsgsAsyncHelper *helper;
2549
2550         g_return_if_fail (status != NULL);
2551         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2552
2553         helper = (XFerMsgsAsyncHelper *) user_data;
2554         g_return_if_fail (helper != NULL);       
2555
2556         /* Notify progress */
2557         notify_progress_of_multiple_messages (helper->mail_op, status, &(helper->last_total_bytes), 
2558                                               &(helper->sum_total_bytes), helper->total_bytes, TRUE);
2559 }
2560
2561
2562 static void
2563 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2564 {
2565         XFerMsgsAsyncHelper *helper;
2566         ModestMailOperation *self;
2567         ModestMailOperationPrivate *priv;
2568         gboolean finished = TRUE;
2569
2570         helper = (XFerMsgsAsyncHelper *) user_data;
2571         self = helper->mail_op;
2572
2573         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2574
2575         if (err) {
2576                 priv->error = g_error_copy (err);
2577                 priv->done = 0;
2578                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2579         } else if (cancelled) {
2580                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2581                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2582                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2583                              _("Error trying to refresh the contents of %s"),
2584                              tny_folder_get_name (folder));
2585         } else if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
2586                 if (helper->more_msgs) {
2587                         /* We'll transfer the next message in the list */
2588                         tny_iterator_next (helper->more_msgs);
2589                         if (!tny_iterator_is_done (helper->more_msgs)) {
2590                                 GObject *next_header;
2591                                 g_object_unref (helper->headers);
2592                                 helper->headers = tny_simple_list_new ();
2593                                 next_header = tny_iterator_get_current (helper->more_msgs);
2594                                 tny_list_append (helper->headers, next_header);
2595                                 g_object_unref (next_header);
2596                                 finished = FALSE;
2597                         }
2598                 }
2599
2600                 if (finished) {
2601                         priv->done = 1;
2602                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2603                 }
2604         }
2605
2606         if (finished) {
2607
2608                 /* Update folder counts */
2609                 tny_folder_poke_status (folder);
2610                 tny_folder_poke_status (helper->dest_folder);
2611
2612                 /* Notify about operation end */
2613                 modest_mail_operation_notify_end (self);
2614
2615                 /* If user defined callback function was defined, call it */
2616                 if (helper->user_callback) {
2617                         /* This is not a GDK lock because we are a Tinymail callback and
2618                          * Tinymail already acquires the Gdk lock */
2619
2620                         /* no gdk_threads_enter (), CHECKED */
2621                         helper->user_callback (self, helper->user_data);
2622                         /* no gdk_threads_leave (), CHECKED */
2623                 }
2624
2625                 /* Free */
2626                 if (helper->more_msgs)
2627                         g_object_unref (helper->more_msgs);
2628                 if (helper->headers)
2629                         g_object_unref (helper->headers);
2630                 if (helper->dest_folder)
2631                         g_object_unref (helper->dest_folder);
2632                 if (helper->mail_op)
2633                         g_object_unref (helper->mail_op);
2634                 g_slice_free (XFerMsgsAsyncHelper, helper);
2635         } else {
2636                 /* Transfer more messages */
2637                 tny_folder_transfer_msgs_async (folder,
2638                                                 helper->headers,
2639                                                 helper->dest_folder,
2640                                                 helper->delete,
2641                                                 transfer_msgs_cb,
2642                                                 transfer_msgs_status_cb,
2643                                                 helper);
2644         }
2645 }
2646
2647 static guint
2648 compute_message_list_size (TnyList *headers)
2649 {
2650         TnyIterator *iter;
2651         guint size = 0;
2652
2653         iter = tny_list_create_iterator (headers);
2654         while (!tny_iterator_is_done (iter)) {
2655                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
2656                 size += tny_header_get_message_size (header);
2657                 g_object_unref (header);
2658                 tny_iterator_next (iter);
2659         }
2660         g_object_unref (iter);
2661
2662         return size;
2663 }
2664
2665 static guint
2666 compute_message_array_size (GPtrArray *headers)
2667 {
2668         guint size = 0;
2669         gint i;
2670
2671         for (i = 0; i < headers->len; i++) {
2672                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (headers, i));
2673                 size += tny_header_get_message_size (header);
2674         }
2675
2676         return size;
2677 }
2678
2679
2680 void
2681 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2682                                  TnyList *headers, 
2683                                  TnyFolder *folder, 
2684                                  gboolean delete_original,
2685                                  XferMsgsAsyncUserCallback user_callback,
2686                                  gpointer user_data)
2687 {
2688         ModestMailOperationPrivate *priv = NULL;
2689         TnyIterator *iter = NULL;
2690         TnyFolder *src_folder = NULL;
2691         XFerMsgsAsyncHelper *helper = NULL;
2692         TnyHeader *header = NULL;
2693         ModestTnyFolderRules rules = 0;
2694         TnyAccount *dst_account = NULL;
2695         gboolean leave_on_server;
2696
2697         g_return_if_fail (self && MODEST_IS_MAIL_OPERATION (self));
2698         g_return_if_fail (headers && TNY_IS_LIST (headers));
2699         g_return_if_fail (folder && TNY_IS_FOLDER (folder));
2700
2701         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2702         priv->total = tny_list_get_length (headers);
2703         priv->done = 0;
2704         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2705         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2706
2707         /* Apply folder rules */
2708         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2709         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2710                 /* Set status failed and set an error */
2711                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2712                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2713                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2714                              _CS("ckct_ib_unable_to_paste_here"));
2715                 /* Notify the queue */
2716                 modest_mail_operation_notify_end (self);
2717                 return;
2718         }
2719                 
2720         /* Get source folder */
2721         iter = tny_list_create_iterator (headers);
2722         header = TNY_HEADER (tny_iterator_get_current (iter));
2723         if (header) {
2724                 src_folder = tny_header_get_folder (header);
2725                 g_object_unref (header);
2726         }
2727         g_object_unref (iter);
2728
2729         if (src_folder == NULL) {
2730                 /* Notify the queue */
2731                 modest_mail_operation_notify_end (self);
2732
2733                 g_warning ("%s: cannot find folder from header", __FUNCTION__);
2734                 return;
2735         }
2736
2737         
2738         /* Check folder source and destination */
2739         if (src_folder == folder) {
2740                 /* Set status failed and set an error */
2741                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2742                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2743                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2744                              _("mail_in_ui_folder_copy_target_error"));
2745                 
2746                 /* Notify the queue */
2747                 modest_mail_operation_notify_end (self);
2748                 
2749                 /* Free */
2750                 g_object_unref (src_folder);            
2751                 return;
2752         }
2753
2754         /* Create the helper */
2755         helper = g_slice_new0 (XFerMsgsAsyncHelper);
2756         helper->mail_op = g_object_ref(self);
2757         helper->dest_folder = g_object_ref(folder);
2758         helper->user_callback = user_callback;
2759         helper->user_data = user_data;
2760         helper->delete = delete_original;
2761         helper->last_total_bytes = 0;
2762         helper->sum_total_bytes = 0;
2763         helper->total_bytes = compute_message_list_size (headers);
2764
2765         /* Get account and set it into mail_operation */
2766         priv->account = modest_tny_folder_get_account (src_folder);
2767         dst_account = modest_tny_folder_get_account (folder);
2768
2769         if (priv->account == dst_account) {
2770                 /* Transfer all messages at once using the fast
2771                  * method. Note that depending on the server this
2772                  * might not be that fast, and might not be
2773                  * user-cancellable either */
2774                 helper->headers = g_object_ref (headers);
2775                 helper->more_msgs = NULL;
2776         } else {
2777                 /* Transfer messages one by one so the user can cancel
2778                  * the operation */
2779                 GObject *hdr;
2780                 helper->headers = tny_simple_list_new ();
2781                 helper->more_msgs = tny_list_create_iterator (headers);
2782                 hdr = tny_iterator_get_current (helper->more_msgs);
2783                 tny_list_append (helper->headers, hdr);
2784                 g_object_unref (hdr);
2785         }
2786
2787         /* If leave_on_server is set to TRUE then don't use
2788            delete_original, we always pass FALSE. This is because
2789            otherwise tinymail will try to sync the source folder and
2790            this could cause an error if we're offline while
2791            transferring an already downloaded message from a POP
2792            account */
2793         if (modest_protocol_info_get_transport_store_protocol (tny_account_get_proto (priv->account)) == 
2794             MODEST_PROTOCOL_STORE_POP) {
2795                 const gchar *account_name;
2796
2797                 account_name = modest_tny_account_get_parent_modest_account_name_for_server_account (priv->account);
2798                 leave_on_server = modest_account_mgr_get_leave_on_server (modest_runtime_get_account_mgr (),
2799                                                                           account_name);
2800         } else {
2801                 leave_on_server = FALSE;
2802         }
2803
2804         modest_mail_operation_notify_start (self);
2805         tny_folder_transfer_msgs_async (src_folder, 
2806                                         helper->headers, 
2807                                         folder, 
2808                                         (leave_on_server) ? FALSE : delete_original, 
2809                                         transfer_msgs_cb, 
2810                                         transfer_msgs_status_cb,
2811                                         helper);
2812         g_object_unref (src_folder);
2813         g_object_unref (dst_account);
2814 }
2815
2816
2817 static void
2818 on_refresh_folder (TnyFolder   *folder, 
2819                    gboolean     cancelled, 
2820                    GError     *error,
2821                    gpointer     user_data)
2822 {
2823         RefreshAsyncHelper *helper = NULL;
2824         ModestMailOperation *self = NULL;
2825         ModestMailOperationPrivate *priv = NULL;
2826
2827         helper = (RefreshAsyncHelper *) user_data;
2828         self = helper->mail_op;
2829         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2830
2831         g_return_if_fail(priv!=NULL);
2832
2833         if (error) {
2834                 priv->error = g_error_copy (error);
2835                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2836                 goto out;
2837         }
2838
2839         if (cancelled) {
2840                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2841                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2842                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2843                              _("Error trying to refresh the contents of %s"),
2844                              tny_folder_get_name (folder));
2845                 goto out;
2846         }
2847
2848         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2849  out:
2850
2851         /* Call user defined callback, if it exists */
2852         if (helper->user_callback) {
2853
2854                 /* This is not a GDK lock because we are a Tinymail callback and
2855                  * Tinymail already acquires the Gdk lock */
2856                 helper->user_callback (self, folder, helper->user_data);
2857         }
2858
2859         /* Free */
2860         g_slice_free (RefreshAsyncHelper, helper);
2861
2862         /* Notify about operation end */
2863         modest_mail_operation_notify_end (self);
2864         g_object_unref(self);
2865 }
2866
2867 static void
2868 on_refresh_folder_status_update (GObject *obj,
2869                                  TnyStatus *status,
2870                                  gpointer user_data)
2871 {
2872         RefreshAsyncHelper *helper = NULL;
2873         ModestMailOperation *self = NULL;
2874         ModestMailOperationPrivate *priv = NULL;
2875         ModestMailOperationState *state;
2876
2877         g_return_if_fail (user_data != NULL);
2878         g_return_if_fail (status != NULL);
2879         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2880
2881         helper = (RefreshAsyncHelper *) user_data;
2882         self = helper->mail_op;
2883         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2884
2885         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2886
2887         priv->done = status->position;
2888         priv->total = status->of_total;
2889
2890         state = modest_mail_operation_clone_state (self);
2891
2892         /* This is not a GDK lock because we are a Tinymail callback and
2893          * Tinymail already acquires the Gdk lock */
2894         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2895
2896         g_slice_free (ModestMailOperationState, state);
2897 }
2898
2899 void 
2900 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2901                                        TnyFolder *folder,
2902                                        RefreshAsyncUserCallback user_callback,
2903                                        gpointer user_data)
2904 {
2905         ModestMailOperationPrivate *priv = NULL;
2906         RefreshAsyncHelper *helper = NULL;
2907
2908         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2909
2910         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2911
2912         /* Get account and set it into mail_operation */
2913         priv->account = modest_tny_folder_get_account  (folder);
2914         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2915
2916         /* Create the helper */
2917         helper = g_slice_new0 (RefreshAsyncHelper);
2918         helper->mail_op = g_object_ref(self);
2919         helper->user_callback = user_callback;
2920         helper->user_data = user_data;
2921
2922         /* Refresh the folder. TODO: tinymail could issue a status
2923            updates before the callback call then this could happen. We
2924            must review the design */
2925         modest_mail_operation_notify_start (self);
2926         
2927         /* notify that the operation was started */
2928         ModestMailOperationState *state;
2929         state = modest_mail_operation_clone_state (self);
2930         state->done = 0;
2931         state->total = 0;
2932         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 
2933                         0, state, NULL);
2934
2935         /* FIXME: we're leaking the state here, or? valgrind thinks so */
2936         
2937         tny_folder_refresh_async (folder,
2938                                   on_refresh_folder,
2939                                   on_refresh_folder_status_update,
2940                                   helper);
2941 }
2942
2943 static void
2944 run_queue_stop (ModestTnySendQueue *queue,
2945                 ModestMailOperation *self)
2946 {
2947         ModestMailOperationPrivate *priv;
2948
2949         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2950         g_return_if_fail (MODEST_IS_TNY_SEND_QUEUE (queue));
2951         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2952
2953         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2954
2955         modest_mail_operation_notify_end (self);
2956         g_signal_handlers_disconnect_by_func (queue, run_queue_stop, self);
2957         g_object_unref (self);
2958 }
2959 void
2960 modest_mail_operation_run_queue (ModestMailOperation *self,
2961                                  ModestTnySendQueue *queue)
2962 {
2963         ModestMailOperationPrivate *priv;
2964
2965         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2966         g_return_if_fail (MODEST_IS_TNY_SEND_QUEUE (queue));
2967         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2968
2969         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2970         priv->account = TNY_ACCOUNT (tny_camel_send_queue_get_transport_account (TNY_CAMEL_SEND_QUEUE (queue)));
2971         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RUN_QUEUE;
2972
2973         modest_mail_operation_notify_start (self);
2974         g_object_ref (self);
2975         g_signal_connect ((gpointer) queue, "queue-stop", G_CALLBACK (run_queue_stop), (gpointer) self);
2976 }
2977
2978 static void
2979 sync_folder_finish_callback (TnyFolder *self, gboolean cancelled, GError *err, ModestMailOperation *mail_op)
2980 {
2981         ModestMailOperationPrivate *priv;
2982
2983         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (mail_op);
2984         if (err != NULL) {
2985                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2986                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
2987                              err->message);
2988                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2989         } else {
2990                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2991         }
2992         modest_mail_operation_notify_end (mail_op);
2993         g_object_unref (mail_op);
2994 }
2995
2996 void
2997 modest_mail_operation_sync_folder (ModestMailOperation *self,
2998                                    TnyFolder *folder, gboolean expunge)
2999 {
3000         ModestMailOperationPrivate *priv;
3001
3002         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
3003         g_return_if_fail (TNY_IS_FOLDER (folder));
3004         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
3005
3006         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
3007         priv->account = TNY_ACCOUNT (tny_folder_get_account (folder));
3008         priv->op_type = MODEST_MAIL_OPERATION_TYPE_SYNC_FOLDER;
3009
3010         modest_mail_operation_notify_start (self);
3011         g_object_ref (self);
3012         tny_folder_sync_async (folder, expunge, (TnyFolderCallback) sync_folder_finish_callback, NULL, self);
3013 }
3014
3015 static void
3016 modest_mail_operation_notify_start (ModestMailOperation *self)
3017 {
3018         ModestMailOperationPrivate *priv = NULL;
3019
3020         g_return_if_fail (self);
3021
3022         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
3023
3024         /* Ensure that all the fields are filled correctly */
3025         g_return_if_fail (priv->op_type != MODEST_MAIL_OPERATION_TYPE_UNKNOWN);
3026
3027         /* Notify the observers about the mail operation. We do not
3028            wrapp this emission because we assume that this function is
3029            always called from within the main lock */
3030         g_signal_emit (G_OBJECT (self), signals[OPERATION_STARTED_SIGNAL], 0, NULL);
3031 }
3032
3033 /**
3034  *
3035  * It's used by the mail operation queue to notify the observers
3036  * attached to that signal that the operation finished. We need to use
3037  * that because tinymail does not give us the progress of a given
3038  * operation when it finishes (it directly calls the operation
3039  * callback).
3040  */
3041 static void
3042 modest_mail_operation_notify_end (ModestMailOperation *self)
3043 {
3044         ModestMailOperationPrivate *priv = NULL;
3045
3046         g_return_if_fail (self);
3047
3048         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
3049
3050         /* Notify the observers about the mail operation end. We do
3051            not wrapp this emission because we assume that this
3052            function is always called from within the main lock */
3053         g_signal_emit (G_OBJECT (self), signals[OPERATION_FINISHED_SIGNAL], 0, NULL);
3054
3055         /* Remove the error user data */
3056         if (priv->error_checking_user_data && priv->error_checking_user_data_destroyer)
3057                 priv->error_checking_user_data_destroyer (priv->error_checking_user_data);
3058 }
3059
3060 TnyAccount *
3061 modest_mail_operation_get_account (ModestMailOperation *self)
3062 {
3063         ModestMailOperationPrivate *priv = NULL;
3064
3065         g_return_val_if_fail (self, NULL);
3066
3067         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
3068
3069         return (priv->account) ? g_object_ref (priv->account) : NULL;
3070 }
3071
3072 void
3073 modest_mail_operation_noop (ModestMailOperation *self)
3074 {
3075         ModestMailOperationPrivate *priv = NULL;
3076
3077         g_return_if_fail (self);
3078
3079         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
3080         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
3081         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
3082         priv->done = 0;
3083         priv->total = 0;
3084
3085         /* This mail operation does nothing actually */
3086         modest_mail_operation_notify_start (self);
3087         modest_mail_operation_notify_end (self);
3088 }
3089
3090
3091 gchar*
3092 modest_mail_operation_to_string (ModestMailOperation *self)
3093 {
3094         const gchar *type, *status, *account_id;
3095         ModestMailOperationPrivate *priv = NULL;
3096         
3097         g_return_val_if_fail (self, NULL);
3098
3099         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
3100
3101         /* new operations don't have anything interesting */
3102         if (priv->op_type == MODEST_MAIL_OPERATION_TYPE_UNKNOWN)
3103                 return g_strdup_printf ("%p <new operation>", self);
3104         
3105         switch (priv->op_type) {
3106         case MODEST_MAIL_OPERATION_TYPE_SEND:    type= "SEND";    break;
3107         case MODEST_MAIL_OPERATION_TYPE_RECEIVE: type= "RECEIVE"; break;
3108         case MODEST_MAIL_OPERATION_TYPE_OPEN:    type= "OPEN";    break;
3109         case MODEST_MAIL_OPERATION_TYPE_DELETE:  type= "DELETE";  break;
3110         case MODEST_MAIL_OPERATION_TYPE_INFO:    type= "INFO";    break;
3111         case MODEST_MAIL_OPERATION_TYPE_RUN_QUEUE: type= "RUN-QUEUE"; break;
3112         case MODEST_MAIL_OPERATION_TYPE_SYNC_FOLDER: type= "SYNC-FOLDER"; break;
3113         case MODEST_MAIL_OPERATION_TYPE_UNKNOWN: type= "UNKNOWN"; break;
3114         default: type = "UNEXPECTED"; break;
3115         }
3116
3117         switch (priv->status) {
3118         case MODEST_MAIL_OPERATION_STATUS_INVALID:              status= "INVALID"; break;
3119         case MODEST_MAIL_OPERATION_STATUS_SUCCESS:              status= "SUCCESS"; break;
3120         case MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS: status= "FINISHED-WITH-ERRORS"; break;
3121         case MODEST_MAIL_OPERATION_STATUS_FAILED:               status= "FAILED"; break;
3122         case MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS:          status= "IN-PROGRESS"; break;
3123         case MODEST_MAIL_OPERATION_STATUS_CANCELED:             status= "CANCELLED"; break;
3124         default:                                                status= "UNEXPECTED"; break;
3125         } 
3126
3127         account_id = priv->account ? tny_account_get_id (priv->account) : "";
3128
3129         return g_strdup_printf ("%p \"%s\" (%s) [%s] {%d/%d} '%s'", self, account_id,type, status,
3130                                 priv->done, priv->total,
3131                                 priv->error && priv->error->message ? priv->error->message : "");
3132 }