1ebd0064b7950b0ff51501474714afb27dc0e725
[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-tny-account.h>
49 #include <modest-tny-send-queue.h>
50 #include <modest-runtime.h>
51 #include "modest-text-utils.h"
52 #include "modest-tny-msg.h"
53 #include "modest-tny-folder.h"
54 #include "modest-tny-account-store.h"
55 #include "modest-tny-platform-factory.h"
56 #include "modest-marshal.h"
57 #include "modest-error.h"
58 #include "modest-mail-operation.h"
59
60 #define KB 1024
61
62 /* 
63  * Remove all these #ifdef stuff when the tinymail's idle calls become
64  * locked
65  */
66 #define TINYMAIL_IDLES_NOT_LOCKED_YET 1
67
68 /* 'private'/'protected' functions */
69 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
70 static void modest_mail_operation_init       (ModestMailOperation *obj);
71 static void modest_mail_operation_finalize   (GObject *obj);
72
73 static void     get_msg_cb (TnyFolder *folder, 
74                             gboolean cancelled, 
75                             TnyMsg *msg, 
76                             GError *rr, 
77                             gpointer user_data);
78
79 static void     get_msg_status_cb (GObject *obj,
80                                    TnyStatus *status,  
81                                    gpointer user_data);
82
83 static void     modest_mail_operation_notify_end (ModestMailOperation *self);
84
85 enum _ModestMailOperationSignals 
86 {
87         PROGRESS_CHANGED_SIGNAL,
88
89         NUM_SIGNALS
90 };
91
92 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
93 struct _ModestMailOperationPrivate {
94         TnyAccount                 *account;
95         gchar                                                                            *account_name;
96         guint                      done;
97         guint                      total;
98         GObject                   *source;
99         GError                    *error;
100         ErrorCheckingUserCallback  error_checking;
101         gpointer                   error_checking_user_data;
102         ModestMailOperationStatus  status;      
103         ModestMailOperationTypeOperation op_type;
104 };
105
106 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
107                                                    MODEST_TYPE_MAIL_OPERATION, \
108                                                    ModestMailOperationPrivate))
109
110 #define CHECK_EXCEPTION(priv, new_status)  if (priv->error) {\
111                                                    priv->status = new_status;\
112                                                }
113
114 typedef struct _GetMsgAsyncHelper {     
115         ModestMailOperation *mail_op;
116         TnyHeader *header;
117         GetMsgAsyncUserCallback user_callback;  
118         gpointer user_data;
119 } GetMsgAsyncHelper;
120
121 typedef struct _RefreshAsyncHelper {    
122         ModestMailOperation *mail_op;
123         RefreshAsyncUserCallback user_callback; 
124         gpointer user_data;
125 } RefreshAsyncHelper;
126
127 typedef struct _XFerMsgAsyncHelper
128 {
129         ModestMailOperation *mail_op;
130         TnyList *headers;
131         TnyFolder *dest_folder;
132         XferMsgsAsynUserCallback user_callback; 
133         gboolean delete;
134         gpointer user_data;
135 } XFerMsgAsyncHelper;
136
137 typedef void (*ModestMailOperationCreateMsgCallback) (ModestMailOperation *mail_op,
138                                                       TnyMsg *msg,
139                                                       gpointer userdata);
140
141 static void          modest_mail_operation_create_msg (ModestMailOperation *self,
142                                                        const gchar *from, const gchar *to,
143                                                        const gchar *cc, const gchar *bcc,
144                                                        const gchar *subject, const gchar *plain_body,
145                                                        const gchar *html_body, const GList *attachments_list,
146                                                        TnyHeaderFlags priority_flags,
147                                                        ModestMailOperationCreateMsgCallback callback,
148                                                        gpointer userdata);
149
150 static gboolean      idle_notify_queue (gpointer data);
151 typedef struct
152 {
153         ModestMailOperation *mail_op;
154         gchar *from;
155         gchar *to;
156         gchar *cc;
157         gchar *bcc;
158         gchar *subject;
159         gchar *plain_body;
160         gchar *html_body;
161         GList *attachments_list;
162         TnyHeaderFlags priority_flags;
163         ModestMailOperationCreateMsgCallback callback;
164         gpointer userdata;
165 } CreateMsgInfo;
166
167 typedef struct
168 {
169         ModestMailOperation *mail_op;
170         TnyMsg *msg;
171         ModestMailOperationCreateMsgCallback callback;
172         gpointer userdata;
173 } CreateMsgIdleInfo;
174
175 /* globals */
176 static GObjectClass *parent_class = NULL;
177
178 static guint signals[NUM_SIGNALS] = {0};
179
180 GType
181 modest_mail_operation_get_type (void)
182 {
183         static GType my_type = 0;
184         if (!my_type) {
185                 static const GTypeInfo my_info = {
186                         sizeof(ModestMailOperationClass),
187                         NULL,           /* base init */
188                         NULL,           /* base finalize */
189                         (GClassInitFunc) modest_mail_operation_class_init,
190                         NULL,           /* class finalize */
191                         NULL,           /* class data */
192                         sizeof(ModestMailOperation),
193                         1,              /* n_preallocs */
194                         (GInstanceInitFunc) modest_mail_operation_init,
195                         NULL
196                 };
197                 my_type = g_type_register_static (G_TYPE_OBJECT,
198                                                   "ModestMailOperation",
199                                                   &my_info, 0);
200         }
201         return my_type;
202 }
203
204 static void
205 modest_mail_operation_class_init (ModestMailOperationClass *klass)
206 {
207         GObjectClass *gobject_class;
208         gobject_class = (GObjectClass*) klass;
209
210         parent_class            = g_type_class_peek_parent (klass);
211         gobject_class->finalize = modest_mail_operation_finalize;
212
213         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
214
215         /**
216          * ModestMailOperation::progress-changed
217          * @self: the #MailOperation that emits the signal
218          * @user_data: user data set when the signal handler was connected
219          *
220          * Emitted when the progress of a mail operation changes
221          */
222         signals[PROGRESS_CHANGED_SIGNAL] = 
223                 g_signal_new ("progress-changed",
224                               G_TYPE_FROM_CLASS (gobject_class),
225                               G_SIGNAL_RUN_FIRST,
226                               G_STRUCT_OFFSET (ModestMailOperationClass, progress_changed),
227                               NULL, NULL,
228                               g_cclosure_marshal_VOID__POINTER,
229                               G_TYPE_NONE, 1, G_TYPE_POINTER);
230
231 }
232
233 static void
234 modest_mail_operation_init (ModestMailOperation *obj)
235 {
236         ModestMailOperationPrivate *priv;
237
238         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
239
240         priv->account        = NULL;
241         priv->status         = MODEST_MAIL_OPERATION_STATUS_INVALID;
242         priv->op_type        = MODEST_MAIL_OPERATION_TYPE_UNKNOWN;
243         priv->error          = NULL;
244         priv->done           = 0;
245         priv->total          = 0;
246         priv->source         = NULL;
247         priv->error_checking = NULL;
248         priv->error_checking_user_data = NULL;
249 }
250
251 static void
252 modest_mail_operation_finalize (GObject *obj)
253 {
254         ModestMailOperationPrivate *priv;
255
256         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
257
258         
259         
260         if (priv->error) {
261                 g_error_free (priv->error);
262                 priv->error = NULL;
263         }
264         if (priv->source) {
265                 g_object_unref (priv->source);
266                 priv->source = NULL;
267         }
268         if (priv->account) {
269                 g_object_unref (priv->account);
270                 priv->account = NULL;
271         }
272
273
274         G_OBJECT_CLASS(parent_class)->finalize (obj);
275 }
276
277 ModestMailOperation*
278 modest_mail_operation_new (ModestMailOperationTypeOperation op_type, 
279                            GObject *source)
280 {
281         ModestMailOperation *obj;
282         ModestMailOperationPrivate *priv;
283                 
284         obj = MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
285         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
286
287         priv->op_type = op_type;
288         if (source != NULL)
289                 priv->source = g_object_ref(source);
290
291         return obj;
292 }
293
294 ModestMailOperation*
295 modest_mail_operation_new_with_error_handling (ModestMailOperationTypeOperation op_type,
296                                                GObject *source,
297                                                ErrorCheckingUserCallback error_handler,
298                                                gpointer user_data)
299 {
300         ModestMailOperation *obj;
301         ModestMailOperationPrivate *priv;
302                 
303         obj = modest_mail_operation_new (op_type, source);
304         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
305         
306         g_return_val_if_fail (error_handler != NULL, obj);
307         priv->error_checking = error_handler;
308
309         return obj;
310 }
311
312 void
313 modest_mail_operation_execute_error_handler (ModestMailOperation *self)
314 {
315         ModestMailOperationPrivate *priv;
316         
317         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
318         g_return_if_fail(priv->status != MODEST_MAIL_OPERATION_STATUS_SUCCESS);     
319
320         if (priv->error_checking != NULL)
321                 priv->error_checking (self, priv->error_checking_user_data);
322 }
323
324
325 ModestMailOperationTypeOperation
326 modest_mail_operation_get_type_operation (ModestMailOperation *self)
327 {
328         ModestMailOperationPrivate *priv;
329
330         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
331         
332         return priv->op_type;
333 }
334
335 gboolean 
336 modest_mail_operation_is_mine (ModestMailOperation *self, 
337                                GObject *me)
338 {
339         ModestMailOperationPrivate *priv;
340
341         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
342         if (priv->source == NULL) return FALSE;
343
344         return priv->source == me;
345 }
346
347 GObject *
348 modest_mail_operation_get_source (ModestMailOperation *self)
349 {
350         ModestMailOperationPrivate *priv;
351
352         g_return_val_if_fail (self, NULL);
353         
354         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
355         if (!priv) {
356                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
357                 return NULL;
358         }
359         
360         return g_object_ref (priv->source);
361 }
362
363 ModestMailOperationStatus
364 modest_mail_operation_get_status (ModestMailOperation *self)
365 {
366         ModestMailOperationPrivate *priv;
367
368         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
369         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
370                               MODEST_MAIL_OPERATION_STATUS_INVALID);
371
372         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
373         if (!priv) {
374                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
375                 return MODEST_MAIL_OPERATION_STATUS_INVALID;
376         }
377         
378         return priv->status;
379 }
380
381 const GError *
382 modest_mail_operation_get_error (ModestMailOperation *self)
383 {
384         ModestMailOperationPrivate *priv;
385
386         g_return_val_if_fail (self, NULL);
387         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
388
389         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
390
391         if (!priv) {
392                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
393                 return NULL;
394         }
395
396         return priv->error;
397 }
398
399 gboolean 
400 modest_mail_operation_cancel (ModestMailOperation *self)
401 {
402         ModestMailOperationPrivate *priv;
403         gboolean canceled = FALSE;
404
405         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
406
407         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
408
409         /* Note that if we call cancel with an already canceled mail
410            operation the progress changed signal won't be emitted */
411         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
412                 return FALSE;
413
414         /* Set new status */
415         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
416         
417         /* Cancel the mail operation. We need to wrap it between this
418            start/stop operations to allow following calls to the
419            account */
420         g_return_val_if_fail (priv->account, FALSE);
421         tny_account_cancel (priv->account);
422
423         return canceled;
424 }
425
426 guint 
427 modest_mail_operation_get_task_done (ModestMailOperation *self)
428 {
429         ModestMailOperationPrivate *priv;
430
431         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
432
433         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
434         return priv->done;
435 }
436
437 guint 
438 modest_mail_operation_get_task_total (ModestMailOperation *self)
439 {
440         ModestMailOperationPrivate *priv;
441
442         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
443
444         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
445         return priv->total;
446 }
447
448 gboolean
449 modest_mail_operation_is_finished (ModestMailOperation *self)
450 {
451         ModestMailOperationPrivate *priv;
452         gboolean retval = FALSE;
453
454         if (!MODEST_IS_MAIL_OPERATION (self)) {
455                 g_warning ("%s: invalid parametter", G_GNUC_FUNCTION);
456                 return retval;
457         }
458
459         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
460
461         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
462             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
463             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
464             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
465                 retval = TRUE;
466         } else {
467                 retval = FALSE;
468         }
469
470         return retval;
471 }
472
473 guint
474 modest_mail_operation_get_id (ModestMailOperation *self)
475 {
476         ModestMailOperationPrivate *priv;
477
478         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
479
480         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
481         return priv->done;
482 }
483
484 guint 
485 modest_mail_operation_set_id (ModestMailOperation *self,
486                               guint id)
487 {
488         ModestMailOperationPrivate *priv;
489
490         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
491
492         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
493         return priv->done;
494 }
495
496 /*
497  * Creates an image of the current state of a mail operation, the
498  * caller must free it
499  */
500 static ModestMailOperationState *
501 modest_mail_operation_clone_state (ModestMailOperation *self)
502 {
503         ModestMailOperationState *state;
504         ModestMailOperationPrivate *priv;
505
506         /* FIXME: this should be fixed properly
507          * 
508          * in some cases, priv was NULL, so checking here to
509          * make sure.
510          */
511         g_return_val_if_fail (self, NULL);
512         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
513         g_return_val_if_fail (priv, NULL);
514
515         if (!priv)
516                 return NULL;
517
518         state = g_slice_new (ModestMailOperationState);
519
520         state->status = priv->status;
521         state->op_type = priv->op_type;
522         state->done = priv->done;
523         state->total = priv->total;
524         state->finished = modest_mail_operation_is_finished (self);
525         state->bytes_done = 0;
526         state->bytes_total = 0;
527
528         return state;
529 }
530
531 /* ******************************************************************* */
532 /* ************************** SEND   ACTIONS ************************* */
533 /* ******************************************************************* */
534
535 void
536 modest_mail_operation_send_mail (ModestMailOperation *self,
537                                  TnyTransportAccount *transport_account,
538                                  TnyMsg* msg)
539 {
540         TnySendQueue *send_queue = NULL;
541         ModestMailOperationPrivate *priv;
542         
543         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
544         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
545         g_return_if_fail (TNY_IS_MSG (msg));
546         
547         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
548
549         /* Get account and set it into mail_operation */
550         priv->account = g_object_ref (transport_account);
551         priv->done = 1;
552         priv->total = 1;
553
554         send_queue = TNY_SEND_QUEUE (modest_runtime_get_send_queue (transport_account));
555         if (!TNY_IS_SEND_QUEUE(send_queue)) {
556                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
557                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
558                              "modest: could not find send queue for account\n");
559         } else {
560                 /* TODO: connect to the msg-sent in order to know when
561                    the mail operation is finished */
562                 tny_send_queue_add (send_queue, msg, &(priv->error));
563                 /* TODO: we're setting always success, do the check in
564                    the handler */
565                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
566         }
567
568         /* TODO: do this in the handler of the "msg-sent"
569            signal.Notify about operation end */
570         modest_mail_operation_notify_end (self);
571 }
572
573 static gboolean
574 idle_create_msg_cb (gpointer idle_data)
575 {
576         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
577
578         /* This is a GDK lock because we are an idle callback and
579          * info->callback can contain Gtk+ code */
580
581         gdk_threads_enter (); /* CHECKED */
582         info->callback (info->mail_op, info->msg, info->userdata);
583         gdk_threads_leave (); /* CHECKED */
584
585         g_object_unref (info->mail_op);
586         if (info->msg)
587                 g_object_unref (info->msg);
588         g_slice_free (CreateMsgIdleInfo, info);
589
590         return FALSE;
591 }
592
593 static gpointer 
594 create_msg_thread (gpointer thread_data)
595 {
596         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
597         TnyMsg *new_msg = NULL;
598         ModestMailOperationPrivate *priv;
599
600         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
601         if (info->html_body == NULL) {
602                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
603                                               info->bcc, info->subject, info->plain_body, 
604                                               info->attachments_list); /* FIXME: attachments */
605         } else {
606                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
607                                                          info->bcc, info->subject, info->html_body,
608                                                          info->plain_body, info->attachments_list);
609         }
610
611         if (new_msg) {
612                 TnyHeader *header;
613                 /* Set priority flags in message */
614                 header = tny_msg_get_header (new_msg);
615                 if (info->priority_flags != 0)
616                         tny_header_set_flags (header, info->priority_flags);
617                 if (info->attachments_list != NULL) {
618                         tny_header_set_flags (header, TNY_HEADER_FLAG_ATTACHMENTS);
619                 }
620                 g_object_unref (G_OBJECT(header));
621         } else {
622                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
623                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
624                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
625                              "modest: failed to create a new msg\n");
626         }
627
628
629         g_free (info->to);
630         g_free (info->from);
631         g_free (info->cc);
632         g_free (info->bcc);
633         g_free (info->plain_body);
634         g_free (info->html_body);
635         g_free (info->subject);
636         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
637         g_list_free (info->attachments_list);
638
639         if (info->callback) {
640                 CreateMsgIdleInfo *idle_info;
641                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
642                 idle_info->mail_op = info->mail_op;
643                 g_object_ref (info->mail_op);
644                 idle_info->msg = new_msg;
645                 if (new_msg)
646                         g_object_ref (new_msg);
647                 idle_info->callback = info->callback;
648                 idle_info->userdata = info->userdata;
649                 g_idle_add (idle_create_msg_cb, idle_info);
650         } else {
651                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
652         }
653
654         g_object_unref (info->mail_op);
655         g_slice_free (CreateMsgInfo, info);
656         return NULL;
657 }
658
659 void
660 modest_mail_operation_create_msg (ModestMailOperation *self,
661                                   const gchar *from, const gchar *to,
662                                   const gchar *cc, const gchar *bcc,
663                                   const gchar *subject, const gchar *plain_body,
664                                   const gchar *html_body,
665                                   const GList *attachments_list,
666                                   TnyHeaderFlags priority_flags,
667                                   ModestMailOperationCreateMsgCallback callback,
668                                   gpointer userdata)
669 {
670         CreateMsgInfo *info = NULL;
671
672         info = g_slice_new0 (CreateMsgInfo);
673         info->mail_op = self;
674         g_object_ref (self);
675
676         info->from = g_strdup (from);
677         info->to = g_strdup (to);
678         info->cc = g_strdup (cc);
679         info->bcc  = g_strdup (bcc);
680         info->subject = g_strdup (subject);
681         info->plain_body = g_strdup (plain_body);
682         info->html_body = g_strdup (html_body);
683         info->attachments_list = g_list_copy ((GList *) attachments_list);
684         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
685         info->priority_flags = priority_flags;
686
687         info->callback = callback;
688         info->userdata = userdata;
689
690         g_thread_create (create_msg_thread, info, FALSE, NULL);
691 }
692
693 typedef struct
694 {
695         TnyTransportAccount *transport_account;
696         TnyMsg *draft_msg;
697 } SendNewMailInfo;
698
699 static void
700 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
701                                         TnyMsg *msg,
702                                         gpointer userdata)
703 {
704         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
705         TnyFolder *draft_folder = NULL;
706         TnyFolder *outbox_folder = NULL;
707         TnyHeader *header;
708
709         if (!msg) {
710                 goto end;
711         }
712
713         /* Call mail operation */
714         modest_mail_operation_send_mail (self, info->transport_account, msg);
715
716         /* Remove old mail from its source folder */
717         draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
718         outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_OUTBOX);
719         if (info->draft_msg != NULL) {
720                 TnyFolder *folder = NULL;
721                 TnyFolder *src_folder = NULL;
722                 TnyFolderType folder_type;              
723                 folder = tny_msg_get_folder (info->draft_msg);          
724                 if (folder == NULL) goto end;
725                 folder_type = modest_tny_folder_guess_folder_type (folder);
726                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
727                         src_folder = outbox_folder;
728                 else 
729                         src_folder = draft_folder;
730
731                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
732                  * because this function requires it to have a UID. */          
733                 header = tny_msg_get_header (info->draft_msg);
734                 tny_folder_remove_msg (src_folder, header, NULL);
735                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
736                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
737                 g_object_unref (header);
738                 g_object_unref (folder);
739         }
740
741 end:
742         if (info->draft_msg)
743                 g_object_unref (info->draft_msg);
744         if (draft_folder)
745                 g_object_unref (draft_folder);
746         if (outbox_folder)
747                 g_object_unref (outbox_folder);
748         if (info->transport_account)
749                 g_object_unref (info->transport_account);
750         g_slice_free (SendNewMailInfo, info);
751         modest_mail_operation_notify_end (self);
752 }
753
754 void
755 modest_mail_operation_send_new_mail (ModestMailOperation *self,
756                                      TnyTransportAccount *transport_account,
757                                      TnyMsg *draft_msg,
758                                      const gchar *from,  const gchar *to,
759                                      const gchar *cc,  const gchar *bcc,
760                                      const gchar *subject, const gchar *plain_body,
761                                      const gchar *html_body,
762                                      const GList *attachments_list,
763                                      TnyHeaderFlags priority_flags)
764 {
765         ModestMailOperationPrivate *priv = NULL;
766         SendNewMailInfo *info;
767
768         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
769         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
770
771         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
772
773         /* Check parametters */
774         if (to == NULL) {
775                 /* Set status failed and set an error */
776                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
777                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
778                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
779                              _("Error trying to send a mail. You need to set at least one recipient"));
780                 return;
781         }
782         info = g_slice_new0 (SendNewMailInfo);
783         info->transport_account = transport_account;
784         if (transport_account)
785                 g_object_ref (transport_account);
786         info->draft_msg = draft_msg;
787         if (draft_msg)
788                 g_object_ref (draft_msg);
789         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
790                                           attachments_list, priority_flags,
791                                           modest_mail_operation_send_new_mail_cb, info);
792
793 }
794
795 typedef struct
796 {
797         TnyTransportAccount *transport_account;
798         TnyMsg *draft_msg;
799         ModestMsgEditWindow *edit_window;
800 } SaveToDraftsInfo;
801
802 static void
803 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
804                                          TnyMsg *msg,
805                                          gpointer userdata)
806 {
807         TnyFolder *src_folder = NULL;
808         TnyFolder *folder = NULL;
809         TnyHeader *header = NULL;
810         ModestMailOperationPrivate *priv = NULL;
811         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
812
813         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
814         if (!msg) {
815                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
816                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
817                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
818                              "modest: failed to create a new msg\n");
819                 goto end;
820         }
821
822         folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
823         if (!folder) {
824                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
825                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
826                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
827                              "modest: failed to create a new msg\n");
828                 goto end;
829         }
830
831         if (!priv->error)
832                 tny_folder_add_msg (folder, msg, &(priv->error));
833
834         if ((!priv->error) && (info->draft_msg != NULL)) {
835                 header = tny_msg_get_header (info->draft_msg);
836                 src_folder = tny_header_get_folder (header); 
837                 /* Remove the old draft expunging it */
838                 tny_folder_remove_msg (src_folder, header, NULL);
839                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
840                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
841                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
842                 g_object_unref (header);
843         }
844         
845         if (!priv->error)
846                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
847         else
848                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
849
850         if (info->edit_window)
851                 modest_msg_edit_window_set_draft (info->edit_window, msg);
852
853
854 end:
855         if (folder)
856                 g_object_unref (G_OBJECT(folder));
857         if (src_folder)
858                 g_object_unref (G_OBJECT(src_folder));
859         if (info->edit_window)
860                 g_object_unref (G_OBJECT(info->edit_window));
861         if (info->draft_msg)
862                 g_object_unref (G_OBJECT (info->draft_msg));
863         if (info->transport_account)
864                 g_object_unref (G_OBJECT(info->transport_account));
865         g_slice_free (SaveToDraftsInfo, info);
866
867         modest_mail_operation_notify_end (self);
868 }
869
870 void
871 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
872                                       TnyTransportAccount *transport_account,
873                                       TnyMsg *draft_msg,
874                                       ModestMsgEditWindow *edit_window,
875                                       const gchar *from,  const gchar *to,
876                                       const gchar *cc,  const gchar *bcc,
877                                       const gchar *subject, const gchar *plain_body,
878                                       const gchar *html_body,
879                                       const GList *attachments_list,
880                                       TnyHeaderFlags priority_flags)
881 {
882         ModestMailOperationPrivate *priv = NULL;
883         SaveToDraftsInfo *info = NULL;
884
885         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
886         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
887
888         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
889
890         /* Get account and set it into mail_operation */
891         priv->account = g_object_ref (transport_account);
892
893         info = g_slice_new0 (SaveToDraftsInfo);
894         info->transport_account = g_object_ref (transport_account);
895         info->draft_msg = draft_msg;
896         if (draft_msg)
897                 g_object_ref (draft_msg);
898         info->edit_window = edit_window;
899         if (edit_window)
900                 g_object_ref (edit_window);
901
902         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
903                                           attachments_list, priority_flags,
904                                           modest_mail_operation_save_to_drafts_cb, info);
905
906 }
907
908 typedef struct 
909 {
910         ModestMailOperation *mail_op;
911         TnyStoreAccount *account;
912         TnyTransportAccount *transport_account;
913         gint max_size;
914         gint retrieve_limit;
915         gchar *retrieve_type;
916         gchar *account_name;
917         UpdateAccountCallback callback;
918         gpointer user_data;
919         gint new_headers;
920 } UpdateAccountInfo;
921
922 typedef struct
923 {
924         ModestMailOperation *mail_op;
925         TnyMimePart *mime_part;
926         gssize size;
927         GetMimePartSizeCallback callback;
928         gpointer userdata;
929 } GetMimePartSizeInfo;
930
931 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
932 /* We use this folder observer to track the headers that have been
933  * added to a folder */
934 typedef struct {
935         GObject parent;
936         TnyList *new_headers;
937 } InternalFolderObserver;
938
939 typedef struct {
940         GObjectClass parent;
941 } InternalFolderObserverClass;
942
943 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
944
945 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
946                          internal_folder_observer,
947                          G_TYPE_OBJECT,
948                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
949
950
951 static void
952 foreach_add_item (gpointer header, gpointer user_data)
953 {
954         tny_list_prepend (TNY_LIST (user_data), 
955                           g_object_ref (G_OBJECT (header)));
956 }
957
958 /* This is the method that looks for new messages in a folder */
959 static void
960 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
961 {
962         InternalFolderObserver *derived = (InternalFolderObserver *)self;
963         
964         TnyFolderChangeChanged changed;
965
966         changed = tny_folder_change_get_changed (change);
967
968         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
969                 TnyList *list;
970
971                 /* Get added headers */
972                 list = tny_simple_list_new ();
973                 tny_folder_change_get_added_headers (change, list);
974
975                 /* Add them to the folder observer */
976                 tny_list_foreach (list, foreach_add_item, 
977                                   derived->new_headers);
978
979                 g_object_unref (G_OBJECT (list));
980         }
981 }
982
983 static void
984 internal_folder_observer_init (InternalFolderObserver *self) 
985 {
986         self->new_headers = tny_simple_list_new ();
987 }
988 static void
989 internal_folder_observer_finalize (GObject *object) 
990 {
991         InternalFolderObserver *self;
992
993         self = (InternalFolderObserver *) object;
994         g_object_unref (self->new_headers);
995
996         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
997 }
998 static void
999 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1000 {
1001         iface->update_func = internal_folder_observer_update;
1002 }
1003 static void
1004 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1005 {
1006         GObjectClass *object_class;
1007
1008         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1009         object_class = (GObjectClass*) klass;
1010         object_class->finalize = internal_folder_observer_finalize;
1011 }
1012
1013 /*****************/
1014
1015 static void
1016 recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all_folders)
1017 {
1018         TnyIterator *iter;
1019         TnyList *folders = tny_simple_list_new ();
1020
1021         tny_folder_store_get_folders (store, folders, query, NULL);
1022         iter = tny_list_create_iterator (folders);
1023
1024         while (!tny_iterator_is_done (iter)) {
1025
1026                 TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1027                 if (folder) {
1028                         tny_list_prepend (all_folders, G_OBJECT (folder));
1029                         recurse_folders (folder, query, all_folders);    
1030                         g_object_unref (G_OBJECT (folder));
1031                 }
1032
1033                 tny_iterator_next (iter);
1034         }
1035          g_object_unref (G_OBJECT (iter));
1036          g_object_unref (G_OBJECT (folders));
1037 }
1038
1039 /* 
1040  * Issues the "progress-changed" signal. The timer won't be removed,
1041  * so you must call g_source_remove to stop the signal emission
1042  */
1043 static gboolean
1044 idle_notify_progress (gpointer data)
1045 {
1046         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1047         ModestMailOperationState *state;
1048
1049         state = modest_mail_operation_clone_state (mail_op);
1050
1051         /* This is a GDK lock because we are an idle callback and
1052          * the handlers of this signal can contain Gtk+ code */
1053
1054         gdk_threads_enter (); /* CHECKED */
1055         g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1056         gdk_threads_leave (); /* CHECKED */
1057
1058         g_slice_free (ModestMailOperationState, state);
1059         
1060         return TRUE;
1061 }
1062
1063 /* 
1064  * Issues the "progress-changed" signal and removes the timer. It uses
1065  * a lock to ensure that the progress information of the mail
1066  * operation is not modified while there are notifications pending
1067  */
1068 static gboolean
1069 idle_notify_progress_once (gpointer data)
1070 {
1071         ModestPair *pair;
1072
1073         pair = (ModestPair *) data;
1074
1075         /* This is a GDK lock because we are an idle callback and
1076          * the handlers of this signal can contain Gtk+ code */
1077
1078         gdk_threads_enter (); /* CHECKED */
1079         g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
1080         gdk_threads_leave (); /* CHECKED */
1081
1082         /* Free the state and the reference to the mail operation */
1083         g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
1084         g_object_unref (pair->first);
1085
1086         return FALSE;
1087 }
1088
1089 /* 
1090  * Used to notify the queue from the main
1091  * loop. We call it inside an idle call to achieve that
1092  */
1093 static gboolean
1094 idle_notify_queue (gpointer data)
1095 {
1096         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1097
1098         /* Do not need to block, the notify end will do it for us */    
1099         modest_mail_operation_notify_end (mail_op);
1100         g_object_unref (mail_op);
1101
1102         return FALSE;
1103 }
1104
1105 static int
1106 compare_headers_by_date (gconstpointer a, 
1107                          gconstpointer b)
1108 {
1109         TnyHeader **header1, **header2;
1110         time_t sent1, sent2;
1111
1112         header1 = (TnyHeader **) a;
1113         header2 = (TnyHeader **) b;
1114
1115         sent1 = tny_header_get_date_sent (*header1);
1116         sent2 = tny_header_get_date_sent (*header2);
1117
1118         /* We want the most recent ones (greater time_t) at the
1119            beginning */
1120         if (sent1 < sent2)
1121                 return 1;
1122         else
1123                 return -1;
1124 }
1125
1126 static gboolean 
1127 set_last_updated_idle (gpointer data)
1128 {
1129
1130         /* This is a GDK lock because we are an idle callback and
1131          * modest_account_mgr_set_int can contain Gtk+ code */
1132
1133         gdk_threads_enter (); /* CHECKED - please recheck */
1134
1135         /* It does not matter if the time is not exactly the same than
1136            the time when this idle was called, it's just an
1137            approximation and it won't be very different */
1138
1139         modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
1140                                     (gchar *) data, 
1141                                     MODEST_ACCOUNT_LAST_UPDATED, 
1142                                     time(NULL), 
1143                                     TRUE);
1144
1145         gdk_threads_leave (); /* CHECKED - please recheck */
1146
1147         return FALSE;
1148 }
1149
1150 static gboolean
1151 idle_update_account_cb (gpointer data)
1152 {
1153         UpdateAccountInfo *idle_info;
1154
1155         idle_info = (UpdateAccountInfo *) data;
1156
1157         /* This is a GDK lock because we are an idle callback and
1158          * idle_info->callback can contain Gtk+ code */
1159
1160         gdk_threads_enter (); /* CHECKED */
1161         idle_info->callback (idle_info->mail_op,
1162                              idle_info->new_headers,
1163                              idle_info->user_data);
1164         gdk_threads_leave (); /* CHECKED */
1165
1166         /* Frees */
1167         g_object_unref (idle_info->mail_op);
1168         g_free (idle_info);
1169
1170         return FALSE;
1171 }
1172
1173
1174 static gpointer
1175 update_account_thread (gpointer thr_user_data)
1176 {
1177         static gboolean first_time = TRUE;
1178         UpdateAccountInfo *info = NULL;
1179         TnyList *all_folders = NULL;
1180         GPtrArray *new_headers = NULL;
1181         TnyIterator *iter = NULL;
1182         TnyFolderStoreQuery *query = NULL;
1183         ModestMailOperationPrivate *priv = NULL;
1184         ModestTnySendQueue *send_queue = NULL;
1185         gint num_new_headers = 0;
1186
1187         info = (UpdateAccountInfo *) thr_user_data;
1188         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1189
1190         /* Get account and set it into mail_operation */
1191         priv->account = g_object_ref (info->account);
1192
1193         /*
1194          * Previousl, we did this for POP3, to do a logout-login upon send/receive, 
1195          * because many POP-servers (like Gmail) do not
1196          * show any updates unless we do that.
1197          * But that didn't work with gmail anyway, 
1198          * and tinymail now takes care of this itself by disconnecting 
1199          * automatically after using the connection.
1200          */
1201         /*
1202         if (!first_time && TNY_IS_CAMEL_POP_STORE_ACCOUNT (priv->account)) 
1203                 tny_camel_pop_store_account_reconnect (TNY_CAMEL_POP_STORE_ACCOUNT(priv->account));
1204         */
1205
1206         /* Get all the folders. We can do it synchronously because
1207            we're already running in a different thread than the UI */
1208         all_folders = tny_simple_list_new ();
1209         query = tny_folder_store_query_new ();
1210         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1211         tny_folder_store_get_folders (TNY_FOLDER_STORE (info->account),
1212                                       all_folders,
1213                                       query,
1214                                       &(priv->error));
1215         if (priv->error) {
1216                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1217                 goto out;
1218         }
1219
1220         iter = tny_list_create_iterator (all_folders);
1221         while (!tny_iterator_is_done (iter)) {
1222                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1223                 if (folder) {
1224                         recurse_folders (folder, query, all_folders);
1225                         g_object_unref (folder);
1226                 }
1227                 tny_iterator_next (iter);
1228         }
1229         g_object_unref (G_OBJECT (iter));
1230
1231         /* Update status and notify. We need to call the notification
1232            with a source function in order to call it from the main
1233            loop. We need that in order not to get into trouble with
1234            Gtk+. We use a timeout in order to provide more status
1235            information, because the sync tinymail call does not
1236            provide it for the moment */
1237         gint timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1238
1239         /* Refresh folders */
1240         num_new_headers = 0;
1241         new_headers = g_ptr_array_new ();
1242         iter = tny_list_create_iterator (all_folders);
1243
1244         while (!tny_iterator_is_done (iter) && !priv->error && 
1245                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1246
1247                 InternalFolderObserver *observer;
1248                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1249
1250                 /* Refresh the folder */
1251                 /* Our observer receives notification of new emails during folder refreshes,
1252                  * so we can use observer->new_headers.
1253                  */
1254                 observer = g_object_new (internal_folder_observer_get_type (), NULL);
1255                 tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1256                 
1257                 /* This gets the status information (headers) from the server.
1258                  * We use the blocking version, because we are already in a separate 
1259                  * thread.
1260                  */
1261
1262                 if (!g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES) || 
1263                     !g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES_AND_ATTACHMENTS)) {
1264                         TnyIterator *iter;
1265
1266                         /* If the retrieve type is full messages, refresh and get the messages */
1267                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1268
1269                         iter = tny_list_create_iterator (observer->new_headers);
1270                         while (!tny_iterator_is_done (iter)) {
1271                                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
1272                                  
1273                                 /* Apply per-message size limits */
1274                                 if (tny_header_get_message_size (header) < info->max_size)
1275                                         g_ptr_array_add (new_headers, g_object_ref (header));
1276
1277                                 g_object_unref (header);
1278                                 tny_iterator_next (iter);
1279                         }
1280                         g_object_unref (iter);
1281                 } else {
1282                         /* We do not need to do it the first time
1283                            because it's automatically done by the tree
1284                            model */
1285                         if (G_UNLIKELY (!first_time))
1286                                 tny_folder_poke_status (TNY_FOLDER (folder));
1287                 }
1288                 tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1289                 g_object_unref (observer);
1290                 observer = NULL;                        
1291
1292                 if (folder)
1293                         g_object_unref (G_OBJECT (folder));
1294
1295                 if (priv->error)
1296                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1297
1298                 tny_iterator_next (iter);
1299         }
1300
1301         g_object_unref (G_OBJECT (iter));
1302         g_source_remove (timeout);
1303
1304         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1305             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1306             new_headers->len > 0) {
1307                 gint msg_num = 0;
1308
1309                 /* Order by date */
1310                 g_ptr_array_sort (new_headers, (GCompareFunc) compare_headers_by_date);
1311
1312                 /* Apply message count limit */
1313                 /* If the number of messages exceeds the maximum, ask the
1314                  * user to download them all,
1315                  * as per the UI spec "Retrieval Limits" section in 4.4: 
1316                  */
1317                 if (new_headers->len > info->retrieve_limit) {
1318                         /* TODO: Ask the user, instead of just
1319                          * failing, showing
1320                          * mail_nc_msg_count_limit_exceeded, with 'Get
1321                          * all' and 'Newest only' buttons. */
1322                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1323                              MODEST_MAIL_OPERATION_ERROR_RETRIEVAL_NUMBER_LIMIT,
1324                              "The number of messages to retrieve exceeds the chosen limit for account %s\n", 
1325                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1326                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1327                         goto out;
1328                 }
1329                 
1330                 priv->done = 0;
1331                 priv->total = MIN (new_headers->len, info->retrieve_limit);
1332                 while (msg_num < priv->total) {
1333
1334                         TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers, msg_num));
1335                         TnyFolder *folder = tny_header_get_folder (header);
1336                         TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1337                         ModestMailOperationState *state;
1338                         ModestPair* pair;
1339
1340                         priv->done++;
1341                         /* We can not just use the mail operation because the
1342                            values of done and total could change before the
1343                            idle is called */
1344                         state = modest_mail_operation_clone_state (info->mail_op);
1345                         pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1346                         g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1347                                          pair, (GDestroyNotify) modest_pair_free);
1348
1349                         g_object_unref (msg);
1350                         g_object_unref (folder);
1351
1352                         msg_num++;
1353                 }
1354         }
1355
1356         /* Get the number of new headers and free them */
1357         num_new_headers = new_headers->len;
1358         g_ptr_array_foreach (new_headers, (GFunc) g_object_unref, NULL);
1359         g_ptr_array_free (new_headers, FALSE);
1360         
1361         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1362                 goto out;
1363
1364         /* Perform send (if operation was not cancelled) */
1365         priv->done = 0;
1366         priv->total = 0;
1367         if (priv->account != NULL) 
1368                 g_object_unref (priv->account);
1369         priv->account = g_object_ref (info->transport_account);
1370         
1371         send_queue = modest_runtime_get_send_queue (info->transport_account);
1372         if (send_queue) {
1373                 modest_tny_send_queue_try_to_send (send_queue);
1374         } else {
1375                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1376                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1377                              "cannot create a send queue for %s\n", 
1378                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1379                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1380         }
1381         
1382         /* Check if the operation was a success */
1383         if (!priv->error) {
1384                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1385
1386                 /* Update the last updated key */
1387                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1388                                  set_last_updated_idle, 
1389                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1390                                  (GDestroyNotify) g_free);
1391         }
1392
1393  out:
1394
1395         if (info->callback) {
1396                 UpdateAccountInfo *idle_info;
1397
1398                 /* This thread is not in the main lock */
1399                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1400                 idle_info->mail_op = g_object_ref (info->mail_op);
1401                 idle_info->new_headers = num_new_headers;
1402                 idle_info->callback = info->callback;
1403                 g_idle_add (idle_update_account_cb, idle_info);
1404         }
1405
1406         /* Notify about operation end. Note that the info could be
1407            freed before this idle happens, but the mail operation will
1408            be still alive */
1409         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1410
1411         /* Frees */
1412         g_object_unref (query);
1413         g_object_unref (all_folders);
1414         g_object_unref (info->account);
1415         g_object_unref (info->transport_account);
1416         g_free (info->retrieve_type);
1417         g_slice_free (UpdateAccountInfo, info);
1418
1419         first_time = FALSE;
1420
1421         return NULL;
1422 }
1423
1424 gboolean
1425 modest_mail_operation_update_account (ModestMailOperation *self,
1426                                       const gchar *account_name,
1427                                       UpdateAccountCallback callback,
1428                                       gpointer user_data)
1429 {
1430         GThread *thread = NULL;
1431         UpdateAccountInfo *info = NULL;
1432         ModestMailOperationPrivate *priv = NULL;
1433         ModestAccountMgr *mgr = NULL;
1434         TnyStoreAccount *store_account = NULL;
1435         TnyTransportAccount *transport_account = NULL;
1436
1437         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1438         g_return_val_if_fail (account_name, FALSE);
1439
1440         /* Init mail operation. Set total and done to 0, and do not
1441            update them, this way the progress objects will know that
1442            we have no clue about the number of the objects */
1443         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1444         priv->total = 0;
1445         priv->done  = 0;
1446         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1447
1448         /* Get the Modest account */
1449         store_account = (TnyStoreAccount *)
1450                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1451                                                                      account_name,
1452                                                                      TNY_ACCOUNT_TYPE_STORE);
1453                                                                      
1454         /* Make sure that we have a connection, and request one 
1455          * if necessary:
1456          * TODO: Is there some way to trigger this for every attempt to 
1457          * use the network? */
1458         if (!modest_platform_connect_and_wait (NULL, TNY_ACCOUNT (store_account)))
1459                 goto error;
1460
1461         if (!store_account) {
1462                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1463                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1464                              "cannot get tny store account for %s\n", account_name);
1465                 goto error;
1466         }
1467
1468         
1469         /* Get the transport account, we can not do it in the thread
1470            due to some problems with dbus */
1471         transport_account = (TnyTransportAccount *)
1472                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1473                                                                                     account_name);
1474         if (!transport_account) {
1475                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1476                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1477                              "cannot get tny transport account for %s\n", account_name);
1478                 goto error;
1479         }
1480
1481         /* Create the helper object */
1482         info = g_slice_new (UpdateAccountInfo);
1483         info->mail_op = self;
1484         info->account = store_account;
1485         info->transport_account = transport_account;
1486         info->callback = callback;
1487         info->user_data = user_data;
1488
1489         /* Get the message size limit */
1490         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1491                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1492         if (info->max_size == 0)
1493                 info->max_size = G_MAXINT;
1494         else
1495                 info->max_size = info->max_size * KB;
1496
1497         /* Get per-account retrieval type */
1498         mgr = modest_runtime_get_account_mgr ();
1499         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1500                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1501
1502         /* Get per-account message amount retrieval limit */
1503         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1504                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1505         if (info->retrieve_limit == 0)
1506                 info->retrieve_limit = G_MAXINT;
1507                 
1508         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1509
1510         /* Set account busy */
1511         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1512         priv->account_name = g_strdup(account_name);
1513         
1514         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1515
1516         return TRUE;
1517
1518  error:
1519         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1520         if (callback) 
1521                 callback (self, 0, user_data);
1522         modest_mail_operation_notify_end (self);
1523         return FALSE;
1524 }
1525
1526 /* ******************************************************************* */
1527 /* ************************** STORE  ACTIONS ************************* */
1528 /* ******************************************************************* */
1529
1530
1531 TnyFolder *
1532 modest_mail_operation_create_folder (ModestMailOperation *self,
1533                                      TnyFolderStore *parent,
1534                                      const gchar *name)
1535 {
1536         ModestMailOperationPrivate *priv;
1537         TnyFolder *new_folder = NULL;
1538
1539         TnyList *list = tny_simple_list_new ();
1540         TnyFolderStoreQuery *query = tny_folder_store_query_new ();
1541
1542         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1543         g_return_val_if_fail (name, NULL);
1544         
1545         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1546
1547         /* Check for already existing folder */
1548         tny_folder_store_query_add_item (query, name, TNY_FOLDER_STORE_QUERY_OPTION_MATCH_ON_NAME);
1549         tny_folder_store_get_folders (parent, list, query, NULL);
1550         g_object_unref (G_OBJECT (query));
1551
1552         if (tny_list_get_length (list) > 0) {
1553                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1554                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1555                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1556                              _CS("ckdg_ib_folder_already_exists"));
1557         }
1558
1559         g_object_unref (G_OBJECT (list));
1560
1561         /* Check parent */
1562         if (TNY_IS_FOLDER (parent)) {
1563                 /* Check folder rules */
1564                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1565                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1566                         /* Set status failed and set an error */
1567                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1568                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1569                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1570                                      _("mail_in_ui_folder_create_error"));
1571                 }
1572         }
1573
1574         if (!strcmp (name, " ") || strchr (name, '/')) {
1575                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1576                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1577                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1578                              _("mail_in_ui_folder_create_error"));
1579         }
1580
1581         if (!priv->error) {
1582                 /* Create the folder */
1583                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1584                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1585                 if (!priv->error)
1586                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1587         }
1588
1589         /* Notify about operation end */
1590         modest_mail_operation_notify_end (self);
1591
1592         return new_folder;
1593 }
1594
1595 void
1596 modest_mail_operation_remove_folder (ModestMailOperation *self,
1597                                      TnyFolder           *folder,
1598                                      gboolean             remove_to_trash)
1599 {
1600         TnyAccount *account;
1601         ModestMailOperationPrivate *priv;
1602         ModestTnyFolderRules rules;
1603
1604         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1605         g_return_if_fail (TNY_IS_FOLDER (folder));
1606         
1607         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1608         
1609         /* Check folder rules */
1610         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1611         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1612                 /* Set status failed and set an error */
1613                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1614                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1615                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1616                              _("mail_in_ui_folder_delete_error"));
1617                 goto end;
1618         }
1619
1620         /* Get the account */
1621         account = modest_tny_folder_get_account (folder);
1622         priv->account = g_object_ref(account);
1623
1624         /* Delete folder or move to trash */
1625         if (remove_to_trash) {
1626                 TnyFolder *trash_folder = NULL;
1627                 trash_folder = modest_tny_account_get_special_folder (account,
1628                                                                       TNY_FOLDER_TYPE_TRASH);
1629                 /* TODO: error_handling */
1630                 if (trash_folder) {
1631                         modest_mail_operation_xfer_folder (self, folder,
1632                                                     TNY_FOLDER_STORE (trash_folder), 
1633                                                     TRUE, NULL, NULL);
1634                         g_object_unref (trash_folder);
1635                 }
1636         } else {
1637                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1638
1639                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1640                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1641
1642                 if (parent)
1643                         g_object_unref (G_OBJECT (parent));
1644         }
1645         g_object_unref (G_OBJECT (account));
1646
1647  end:
1648         /* Notify about operation end */
1649         modest_mail_operation_notify_end (self);
1650 }
1651
1652 static void
1653 transfer_folder_status_cb (GObject *obj,
1654                            TnyStatus *status,
1655                            gpointer user_data)
1656 {
1657         ModestMailOperation *self;
1658         ModestMailOperationPrivate *priv;
1659         ModestMailOperationState *state;
1660         XFerMsgAsyncHelper *helper;
1661
1662         g_return_if_fail (status != NULL);
1663         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1664
1665         helper = (XFerMsgAsyncHelper *) user_data;
1666         g_return_if_fail (helper != NULL);
1667
1668         self = helper->mail_op;
1669         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1670
1671         priv->done = status->position;
1672         priv->total = status->of_total;
1673
1674         state = modest_mail_operation_clone_state (self);
1675
1676         /* This is not a GDK lock because we are a Tinymail callback
1677          * which is already GDK locked by Tinymail */
1678
1679         /* no gdk_threads_enter (), CHECKED */
1680         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1681         /* no gdk_threads_leave (), CHECKED */
1682
1683         g_slice_free (ModestMailOperationState, state);
1684 }
1685
1686
1687 static void
1688 transfer_folder_cb (TnyFolder *folder, gboolean cancelled, 
1689                     TnyFolderStore *into, 
1690                     TnyFolder *new_folder, 
1691                     GError *err, 
1692                     gpointer user_data)
1693 {
1694         XFerMsgAsyncHelper *helper;
1695         ModestMailOperation *self = NULL;
1696         ModestMailOperationPrivate *priv = NULL;
1697
1698         helper = (XFerMsgAsyncHelper *) user_data;
1699         g_return_if_fail (helper != NULL);       
1700
1701         self = helper->mail_op;
1702         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1703
1704         if (err) {
1705                 priv->error = g_error_copy (err);
1706                 priv->done = 0;
1707                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1708         } else if (cancelled) {
1709                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1710                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1711                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1712                              _("Transference of %s was cancelled."),
1713                              tny_folder_get_name (folder));
1714         } else {
1715                 priv->done = 1;
1716                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1717         }
1718                 
1719         /* Notify about operation end */
1720         modest_mail_operation_notify_end (self);
1721
1722         /* If user defined callback function was defined, call it */
1723         if (helper->user_callback) {
1724
1725                 /* This is not a GDK lock because we are a Tinymail callback
1726                  * which is already GDK locked by Tinymail */
1727
1728                 /* no gdk_threads_enter (), CHECKED */
1729                 helper->user_callback (priv->source, helper->user_data);
1730                 /* no gdk_threads_leave () , CHECKED */
1731         }
1732
1733         /* Free */
1734         g_object_unref (helper->mail_op);
1735         g_slice_free   (XFerMsgAsyncHelper, helper);
1736 }
1737
1738 /**
1739  *
1740  * This function checks if the new name is a valid name for our local
1741  * folders account. The new name could not be the same than then name
1742  * of any of the mandatory local folders
1743  *
1744  * We can not rely on tinymail because tinymail does not check the
1745  * name of the virtual folders that the account could have in the case
1746  * that we're doing a rename (because it directly calls Camel which
1747  * knows nothing about our virtual folders). 
1748  *
1749  * In the case of an actual copy/move (i.e. move/copy a folder between
1750  * accounts) tinymail uses the tny_folder_store_create_account which
1751  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1752  * checks the new name of the folder, so this call in that case
1753  * wouldn't be needed. *But* NOTE that if tinymail changes its
1754  * implementation (if folder transfers within the same account is no
1755  * longer implemented as a rename) this call will allow Modest to work
1756  * perfectly
1757  *
1758  * If the new name is not valid, this function will set the status to
1759  * failed and will set also an error in the mail operation
1760  */
1761 static gboolean
1762 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1763                                  TnyFolderStore *into,
1764                                  const gchar *new_name)
1765 {
1766         if (TNY_IS_ACCOUNT (into) && 
1767             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1768             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1769                                                                  new_name)) {
1770                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1771                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1772                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1773                              _("FIXME: folder name already in use"));
1774                 return FALSE;
1775         } else
1776                 return TRUE;
1777 }
1778
1779 void
1780 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1781                                    TnyFolder *folder,
1782                                    TnyFolderStore *parent,
1783                                    gboolean delete_original,
1784                                    XferMsgsAsynUserCallback user_callback,
1785                                    gpointer user_data)
1786 {
1787         ModestMailOperationPrivate *priv = NULL;
1788         ModestTnyFolderRules parent_rules = 0, rules; 
1789         XFerMsgAsyncHelper *helper = NULL;
1790
1791         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1792         g_return_if_fail (TNY_IS_FOLDER (folder));
1793
1794         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1795
1796         /* Get account and set it into mail_operation */
1797         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1798         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1799
1800         /* Get folder rules */
1801         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1802         if (TNY_IS_FOLDER (parent))
1803                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1804         
1805         /* The moveable restriction is applied also to copy operation */
1806         if ((gpointer) parent == (gpointer) folder ||
1807             (!TNY_IS_FOLDER_STORE (parent)) || 
1808             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1809                 printf("DEBUG: %s: Not allowing the move.\n", __FUNCTION__);
1810                 /* Set status failed and set an error */
1811                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1812                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1813                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1814                              _("mail_in_ui_folder_move_target_error"));
1815
1816                 /* Notify the queue */
1817                 modest_mail_operation_notify_end (self);
1818         } else if (TNY_IS_FOLDER (parent) && 
1819                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1820                 /* Set status failed and set an error */
1821                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1822                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1823                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1824                              _("FIXME: parent folder does not accept new folders"));
1825
1826                 /* Notify the queue */
1827                 modest_mail_operation_notify_end (self);
1828         } else {
1829
1830
1831                 /* Check that the new folder name is not used by any
1832                    special local folder */
1833                 if (new_name_valid_if_local_account (priv, parent, 
1834                                                      tny_folder_get_name (folder))) {
1835                         /* Create the helper */
1836                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1837                         helper->mail_op = g_object_ref(self);
1838                         helper->dest_folder = NULL;
1839                         helper->headers = NULL;
1840                         helper->user_callback = user_callback;
1841                         helper->user_data = user_data;
1842                         
1843                         /* Move/Copy folder */          
1844                         tny_folder_copy_async (folder,
1845                                                parent,
1846                                                tny_folder_get_name (folder),
1847                                                delete_original,
1848                                                transfer_folder_cb,
1849                                                transfer_folder_status_cb,
1850                                                helper);
1851                 } else {
1852                         modest_mail_operation_notify_end (self);
1853                 }
1854         }
1855 }
1856
1857 void
1858 modest_mail_operation_rename_folder (ModestMailOperation *self,
1859                                      TnyFolder *folder,
1860                                      const gchar *name)
1861 {
1862         ModestMailOperationPrivate *priv;
1863         ModestTnyFolderRules rules;
1864         XFerMsgAsyncHelper *helper;
1865
1866         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1867         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1868         g_return_if_fail (name);
1869         
1870         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1871
1872         /* Get account and set it into mail_operation */
1873         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1874
1875         /* Check folder rules */
1876         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1877         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1878                 /* Set status failed and set an error */
1879                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1880                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1881                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1882                              _("FIXME: unable to rename"));
1883
1884                 /* Notify about operation end */
1885                 modest_mail_operation_notify_end (self);
1886         } else if (!strcmp (name, " ") || strchr (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_RULES,
1890                              _("FIXME: unable to rename"));
1891                 /* Notify about operation end */
1892                 modest_mail_operation_notify_end (self);
1893         } else {
1894                 TnyFolderStore *into;
1895
1896                 into = tny_folder_get_folder_store (folder);    
1897
1898                 /* Check that the new folder name is not used by any
1899                    special local folder */
1900                 if (new_name_valid_if_local_account (priv, into, name)) {
1901                         /* Create the helper */
1902                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1903                         helper->mail_op = g_object_ref(self);
1904                         helper->dest_folder = NULL;
1905                         helper->headers = NULL;
1906                         helper->user_callback = NULL;
1907                         helper->user_data = NULL;
1908                 
1909                         /* Rename. Camel handles folder subscription/unsubscription */
1910                         tny_folder_copy_async (folder, into, name, TRUE,
1911                                                transfer_folder_cb,
1912                                                transfer_folder_status_cb,
1913                                                helper);
1914                 } else {
1915                         modest_mail_operation_notify_end (self);
1916                 }
1917                 g_object_unref (into);
1918         }
1919 }
1920
1921 /* ******************************************************************* */
1922 /* **************************  MSG  ACTIONS  ************************* */
1923 /* ******************************************************************* */
1924
1925 void modest_mail_operation_get_msg (ModestMailOperation *self,
1926                                     TnyHeader *header,
1927                                     GetMsgAsyncUserCallback user_callback,
1928                                     gpointer user_data)
1929 {
1930         GetMsgAsyncHelper *helper = NULL;
1931         TnyFolder *folder;
1932         ModestMailOperationPrivate *priv;
1933         
1934         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1935         g_return_if_fail (TNY_IS_HEADER (header));
1936         
1937         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1938         folder = tny_header_get_folder (header);
1939
1940         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1941
1942         /* Get message from folder */
1943         if (folder) {
1944                 /* Get account and set it into mail_operation */
1945                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1946                 
1947                 /* Check for cached messages */
1948                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
1949                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
1950                 else 
1951                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1952
1953                 helper = g_slice_new0 (GetMsgAsyncHelper);
1954                 helper->mail_op = self;
1955                 helper->user_callback = user_callback;
1956                 helper->user_data = user_data;
1957                 helper->header = g_object_ref (header);
1958
1959                 // The callback's reference so that the mail op is not
1960                 // finalized until the async operation is completed even if
1961                 // the user canceled the request meanwhile.
1962                 g_object_ref (G_OBJECT (helper->mail_op));
1963
1964                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
1965
1966                 g_object_unref (G_OBJECT (folder));
1967         } else {
1968                 /* Set status failed and set an error */
1969                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1970                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1971                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1972                              _("Error trying to get a message. No folder found for header"));
1973
1974                 /* Notify the queue */
1975                 modest_mail_operation_notify_end (self);
1976         }
1977 }
1978
1979 static void
1980 get_msg_cb (TnyFolder *folder, 
1981             gboolean cancelled, 
1982             TnyMsg *msg, 
1983             GError *error, 
1984             gpointer user_data)
1985 {
1986         GetMsgAsyncHelper *helper = NULL;
1987         ModestMailOperation *self = NULL;
1988         ModestMailOperationPrivate *priv = NULL;
1989
1990         helper = (GetMsgAsyncHelper *) user_data;
1991         g_return_if_fail (helper != NULL);       
1992         self = helper->mail_op;
1993         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
1994         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1995
1996         /* Check errors and cancel */
1997         if (error) {
1998                 priv->error = g_error_copy (error);
1999                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2000         } else if (cancelled) {
2001                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2002                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2003                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2004                              _("Error trying to refresh the contents of %s"),
2005                              tny_folder_get_name (folder));
2006         } else {
2007                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2008         }
2009
2010         /* If user defined callback function was defined, call it even
2011            if the operation failed*/
2012         if (helper->user_callback) {
2013                 /* This is not a GDK lock because we are a Tinymail callback
2014                  * which is already GDK locked by Tinymail */
2015
2016                 /* no gdk_threads_enter (), CHECKED */
2017                 helper->user_callback (self, helper->header, msg, helper->user_data);
2018                 /* no gdk_threads_leave (), CHECKED */
2019         }
2020
2021         /* Notify about operation end */
2022         modest_mail_operation_notify_end (self);
2023         /* Free */
2024         g_object_unref (helper->mail_op);
2025         g_object_unref (helper->header);
2026         g_slice_free (GetMsgAsyncHelper, helper);
2027                 
2028 }
2029
2030 static void     
2031 get_msg_status_cb (GObject *obj,
2032                    TnyStatus *status,  
2033                    gpointer user_data)
2034 {
2035         GetMsgAsyncHelper *helper = NULL;
2036         ModestMailOperation *self;
2037         ModestMailOperationPrivate *priv;
2038         ModestMailOperationState *state;
2039
2040         g_return_if_fail (status != NULL);
2041         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2042
2043         helper = (GetMsgAsyncHelper *) user_data;
2044         g_return_if_fail (helper != NULL);       
2045
2046         self = helper->mail_op;
2047         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2048
2049         priv->done = 1;
2050         priv->total = 1;
2051
2052         state = modest_mail_operation_clone_state (self);
2053         state->bytes_done = status->position;
2054         state->bytes_total = status->of_total;
2055
2056         /* This is not a GDK lock because we are a Tinymail callback
2057          * which is already GDK locked by Tinymail */
2058
2059         /* no gdk_threads_enter (), CHECKED */
2060         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2061         /* no gdk_threads_leave (), CHECKED */
2062
2063         g_slice_free (ModestMailOperationState, state);
2064 }
2065
2066 /****************************************************/
2067 typedef struct {
2068         ModestMailOperation *mail_op;
2069         TnyList *headers;
2070         GetMsgAsyncUserCallback user_callback;
2071         gpointer user_data;
2072         GDestroyNotify notify;
2073 } GetFullMsgsInfo;
2074
2075 typedef struct {
2076         GetMsgAsyncUserCallback user_callback;
2077         TnyHeader *header;
2078         TnyMsg *msg;
2079         gpointer user_data;
2080         ModestMailOperation *mail_op;
2081 } NotifyGetMsgsInfo;
2082
2083
2084 /* 
2085  * Used by get_msgs_full_thread to call the user_callback for each
2086  * message that has been read
2087  */
2088 static gboolean
2089 notify_get_msgs_full (gpointer data)
2090 {
2091         NotifyGetMsgsInfo *info;
2092
2093         info = (NotifyGetMsgsInfo *) data;      
2094
2095         /* This is a GDK lock because we are an idle callback and
2096          * because info->user_callback can contain Gtk+ code */
2097
2098         gdk_threads_enter (); /* CHECKED */
2099         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2100         gdk_threads_leave (); /* CHECKED */
2101
2102         g_slice_free (NotifyGetMsgsInfo, info);
2103
2104         return FALSE;
2105 }
2106
2107 /* 
2108  * Used by get_msgs_full_thread to free al the thread resources and to
2109  * call the destroy function for the passed user_data
2110  */
2111 static gboolean
2112 get_msgs_full_destroyer (gpointer data)
2113 {
2114         GetFullMsgsInfo *info;
2115
2116         info = (GetFullMsgsInfo *) data;
2117
2118         if (info->notify) {
2119
2120                 /* This is a GDK lock because we are an idle callback and
2121                  * because info->notify can contain Gtk+ code */
2122
2123                 gdk_threads_enter (); /* CHECKED */
2124                 info->notify (info->user_data);
2125                 gdk_threads_leave (); /* CHECKED */
2126         }
2127
2128         /* free */
2129         g_object_unref (info->headers);
2130         g_slice_free (GetFullMsgsInfo, info);
2131
2132         return FALSE;
2133 }
2134
2135 static gpointer
2136 get_msgs_full_thread (gpointer thr_user_data)
2137 {
2138         GetFullMsgsInfo *info;
2139         ModestMailOperationPrivate *priv = NULL;
2140         TnyIterator *iter = NULL;
2141         
2142         info = (GetFullMsgsInfo *) thr_user_data;       
2143         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2144
2145         iter = tny_list_create_iterator (info->headers);
2146         while (!tny_iterator_is_done (iter)) { 
2147                 TnyHeader *header;
2148                 TnyFolder *folder;
2149                 
2150                 header = TNY_HEADER (tny_iterator_get_current (iter));
2151                 folder = tny_header_get_folder (header);
2152                                 
2153                 /* Check for cached messages */
2154                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2155                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2156                 else 
2157                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2158
2159                 /* Get message from folder */
2160                 if (folder) {
2161                         TnyMsg *msg;
2162                         /* The callback will call it per each header */
2163                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2164
2165                         if (msg) {
2166                                 ModestMailOperationState *state;
2167                                 ModestPair *pair;
2168
2169                                 priv->done++;
2170
2171                                 /* notify progress */
2172                                 state = modest_mail_operation_clone_state (info->mail_op);
2173                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2174                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2175                                                  pair, (GDestroyNotify) modest_pair_free);
2176
2177                                 /* The callback is the responsible for
2178                                    freeing the message */
2179                                 if (info->user_callback) {
2180                                         NotifyGetMsgsInfo *info_notify;
2181                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2182                                         info_notify->user_callback = info->user_callback;
2183                                         info_notify->mail_op = info->mail_op;
2184                                         info_notify->header = g_object_ref (header);
2185                                         info_notify->msg = g_object_ref (msg);
2186                                         info_notify->user_data = info->user_data;
2187                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2188                                                          notify_get_msgs_full, 
2189                                                          info_notify, NULL);
2190                                 }
2191                                 g_object_unref (msg);
2192                         } 
2193                 } else {
2194                         /* Set status failed and set an error */
2195                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2196                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2197                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2198                                      "Error trying to get a message. No folder found for header");
2199                 }
2200
2201                 if (header)
2202                         g_object_unref (header);
2203                 
2204                 tny_iterator_next (iter);
2205         }
2206
2207         /* Set operation status */
2208         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2209                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2210
2211         /* Notify about operation end */
2212         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2213
2214         /* Free thread resources. Will be called after all previous idles */
2215         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2216
2217         return NULL;
2218 }
2219
2220 void 
2221 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2222                                      TnyList *header_list, 
2223                                      GetMsgAsyncUserCallback user_callback,
2224                                      gpointer user_data,
2225                                      GDestroyNotify notify)
2226 {
2227         TnyHeader *header = NULL;
2228         TnyFolder *folder = NULL;
2229         GThread *thread;
2230         ModestMailOperationPrivate *priv = NULL;
2231         GetFullMsgsInfo *info = NULL;
2232         gboolean size_ok = TRUE;
2233         gint max_size;
2234         TnyIterator *iter = NULL;
2235         
2236         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2237         
2238         /* Init mail operation */
2239         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2240         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2241         priv->done = 0;
2242         priv->total = tny_list_get_length(header_list);
2243
2244         /* Get account and set it into mail_operation */
2245         if (tny_list_get_length (header_list) >= 1) {
2246                 iter = tny_list_create_iterator (header_list);
2247                 header = TNY_HEADER (tny_iterator_get_current (iter));
2248                 if (header) {
2249                         folder = tny_header_get_folder (header);
2250                         if (folder) {           
2251                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2252
2253                                 g_object_unref (folder);
2254                         }
2255
2256                         g_object_unref (header);
2257                 }
2258
2259                 if (tny_list_get_length (header_list) == 1) {
2260                         g_object_unref (iter);
2261                         iter = NULL;
2262                 }
2263         }
2264
2265         /* Get msg size limit */
2266         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2267                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2268                                          &(priv->error));
2269         if (priv->error) {
2270                 g_clear_error (&(priv->error));
2271                 max_size = G_MAXINT;
2272         } else {
2273                 max_size = max_size * KB;
2274         }
2275
2276         /* Check message size limits. If there is only one message
2277            always retrieve it */
2278         if (iter != NULL) {
2279                 while (!tny_iterator_is_done (iter) && size_ok) {
2280                         header = TNY_HEADER (tny_iterator_get_current (iter));
2281                         if (header) {
2282                                 if (tny_header_get_message_size (header) >= max_size)
2283                                         size_ok = FALSE;
2284                                 g_object_unref (header);
2285                         }
2286
2287                         tny_iterator_next (iter);
2288                 }
2289                 g_object_unref (iter);
2290         }
2291
2292         if (size_ok) {
2293                 /* Create the info */
2294                 info = g_slice_new0 (GetFullMsgsInfo);
2295                 info->mail_op = self;
2296                 info->user_callback = user_callback;
2297                 info->user_data = user_data;
2298                 info->headers = g_object_ref (header_list);
2299                 info->notify = notify;
2300
2301                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2302         } else {
2303                 /* Set status failed and set an error */
2304                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2305                 /* FIXME: the error msg is different for pop */
2306                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2307                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2308                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2309                 /* Remove from queue and free resources */
2310                 modest_mail_operation_notify_end (self);
2311                 if (notify)
2312                         notify (user_data);
2313         }
2314 }
2315
2316
2317 void 
2318 modest_mail_operation_remove_msg (ModestMailOperation *self,  TnyHeader *header,
2319                                   gboolean remove_to_trash /*ignored*/)
2320 {
2321         TnyFolder *folder;
2322         ModestMailOperationPrivate *priv;
2323
2324         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2325         g_return_if_fail (TNY_IS_HEADER (header));
2326
2327         if (remove_to_trash)
2328                 g_warning ("remove to trash is not implemented");
2329
2330         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2331         folder = tny_header_get_folder (header);
2332
2333         /* Get account and set it into mail_operation */
2334         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2335
2336         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2337
2338         /* remove message from folder */
2339         tny_folder_remove_msg (folder, header, &(priv->error));
2340 /*      if (!priv->error) { */
2341 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
2342 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
2343
2344 /*              if (TNY_IS_CAMEL_IMAP_FOLDER (folder)) */
2345 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2346 /* /\*                  tny_folder_sync (folder, FALSE, &(priv->error)); /\\* FALSE --> don't expunge *\\/ *\/ */
2347 /*              else if (TNY_IS_CAMEL_POP_FOLDER (folder)) */
2348 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2349 /* /\*                  tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
2350 /*              else */
2351 /*                      /\* local folders *\/ */
2352 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2353 /* /\*                  tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
2354 /*      } */
2355         
2356         
2357         /* Set status */
2358         if (!priv->error)
2359                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2360         else
2361                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2362
2363         /* Free */
2364         g_object_unref (G_OBJECT (folder));
2365
2366         /* Notify about operation end */
2367         modest_mail_operation_notify_end (self);
2368 }
2369
2370 static void
2371 transfer_msgs_status_cb (GObject *obj,
2372                          TnyStatus *status,  
2373                          gpointer user_data)
2374 {
2375         XFerMsgAsyncHelper *helper = NULL;
2376         ModestMailOperation *self;
2377         ModestMailOperationPrivate *priv;
2378         ModestMailOperationState *state;
2379
2380
2381         g_return_if_fail (status != NULL);
2382         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2383
2384         helper = (XFerMsgAsyncHelper *) user_data;
2385         g_return_if_fail (helper != NULL);       
2386
2387         self = helper->mail_op;
2388         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2389
2390         priv->done = status->position;
2391         priv->total = status->of_total;
2392
2393         state = modest_mail_operation_clone_state (self);
2394
2395         /* This is not a GDK lock because we are a Tinymail callback and
2396          * Tinymail already acquires the Gdk lock */
2397
2398         /* no gdk_threads_enter (), CHECKED */
2399
2400         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2401
2402         /* no gdk_threads_leave (), CHECKED */
2403
2404         g_slice_free (ModestMailOperationState, state);
2405 }
2406
2407
2408 static void
2409 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2410 {
2411         XFerMsgAsyncHelper *helper;
2412         ModestMailOperation *self;
2413         ModestMailOperationPrivate *priv;
2414         TnyIterator *iter = NULL;
2415         TnyHeader *header = NULL;
2416
2417         helper = (XFerMsgAsyncHelper *) user_data;
2418         self = helper->mail_op;
2419
2420         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2421
2422         if (err) {
2423                 priv->error = g_error_copy (err);
2424                 priv->done = 0;
2425                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2426         } else if (cancelled) {
2427                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2428                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2429                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2430                              _("Error trying to refresh the contents of %s"),
2431                              tny_folder_get_name (folder));
2432         } else {
2433                 priv->done = 1;
2434                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2435         }
2436
2437         
2438         /* Mark headers as deleted and seen */
2439         if ((helper->delete) && 
2440             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2441                 iter = tny_list_create_iterator (helper->headers);
2442                 while (!tny_iterator_is_done (iter)) {
2443                         header = TNY_HEADER (tny_iterator_get_current (iter));
2444                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2445                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2446                         g_object_unref (header);
2447
2448                         tny_iterator_next (iter);
2449                 }
2450
2451         }
2452                 
2453
2454         /* Notify about operation end */
2455         modest_mail_operation_notify_end (self);
2456
2457         /* If user defined callback function was defined, call it */
2458         if (helper->user_callback) {
2459                 /* This is not a GDK lock because we are a Tinymail callback and
2460                  * Tinymail already acquires the Gdk lock */
2461
2462                 /* no gdk_threads_enter (), CHECKED */
2463                 helper->user_callback (priv->source, helper->user_data);
2464                 /* no gdk_threads_leave (), CHECKED */
2465         }
2466
2467         /* Free */
2468         if (helper->headers)
2469                 g_object_unref (helper->headers);
2470         if (helper->dest_folder)
2471                 g_object_unref (helper->dest_folder);
2472         if (helper->mail_op)
2473                 g_object_unref (helper->mail_op);
2474         if (folder)
2475                 g_object_unref (folder);
2476         if (iter)
2477                 g_object_unref (iter);
2478         g_slice_free   (XFerMsgAsyncHelper, helper);
2479
2480 }
2481
2482 void
2483 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2484                                  TnyList *headers, 
2485                                  TnyFolder *folder, 
2486                                  gboolean delete_original,
2487                                  XferMsgsAsynUserCallback user_callback,
2488                                  gpointer user_data)
2489 {
2490         ModestMailOperationPrivate *priv = NULL;
2491         TnyIterator *iter = NULL;
2492         TnyFolder *src_folder = NULL;
2493         XFerMsgAsyncHelper *helper = NULL;
2494         TnyHeader *header = NULL;
2495         ModestTnyFolderRules rules = 0;
2496         const gchar *id1 = NULL;
2497         const gchar *id2 = NULL;
2498         gboolean same_folder = FALSE;
2499
2500         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2501         g_return_if_fail (TNY_IS_LIST (headers));
2502         g_return_if_fail (TNY_IS_FOLDER (folder));
2503
2504         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2505         priv->total = 1;
2506         priv->done = 0;
2507         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2508
2509         /* Apply folder rules */
2510         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2511         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2512                 /* Set status failed and set an error */
2513                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2514                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2515                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2516                              _CS("ckct_ib_unable_to_paste_here"));
2517                 /* Notify the queue */
2518                 modest_mail_operation_notify_end (self);
2519                 return;
2520         }
2521                 
2522         /* Get source folder */
2523         iter = tny_list_create_iterator (headers);
2524         header = TNY_HEADER (tny_iterator_get_current (iter));
2525         if (header) {
2526                 src_folder = tny_header_get_folder (header);
2527                 g_object_unref (header);
2528         }
2529
2530         g_object_unref (iter);
2531
2532         /* Check folder source and destination */
2533         id1 = tny_folder_get_id (src_folder);
2534         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2535         same_folder = !g_ascii_strcasecmp (id1, id2);
2536         if (same_folder) {
2537                 /* Set status failed and set an error */
2538                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2539                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2540                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2541                              _("mcen_ib_unable_to_copy_samefolder"));
2542                 
2543                 /* Notify the queue */
2544                 modest_mail_operation_notify_end (self);
2545                 
2546                 /* Free */
2547                 g_object_unref (src_folder);            
2548                 return;
2549         }
2550
2551         /* Create the helper */
2552         helper = g_slice_new0 (XFerMsgAsyncHelper);
2553         helper->mail_op = g_object_ref(self);
2554         helper->dest_folder = g_object_ref(folder);
2555         helper->headers = g_object_ref(headers);
2556         helper->user_callback = user_callback;
2557         helper->user_data = user_data;
2558         helper->delete = delete_original;
2559
2560         /* Get account and set it into mail_operation */
2561         priv->account = modest_tny_folder_get_account (src_folder);
2562
2563         /* Transfer messages */
2564         tny_folder_transfer_msgs_async (src_folder, 
2565                                         headers, 
2566                                         folder, 
2567                                         delete_original, 
2568                                         transfer_msgs_cb, 
2569                                         transfer_msgs_status_cb,
2570                                         helper);
2571 }
2572
2573
2574 static void
2575 on_refresh_folder (TnyFolder   *folder, 
2576                    gboolean     cancelled, 
2577                    GError     *error,
2578                    gpointer     user_data)
2579 {
2580         RefreshAsyncHelper *helper = NULL;
2581         ModestMailOperation *self = NULL;
2582         ModestMailOperationPrivate *priv = NULL;
2583
2584         helper = (RefreshAsyncHelper *) user_data;
2585         self = helper->mail_op;
2586         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2587
2588         g_return_if_fail(priv!=NULL);
2589
2590         if (error) {
2591                 priv->error = g_error_copy (error);
2592                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2593                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2594                        error->message);
2595                 goto out;
2596         }
2597
2598         if (cancelled) {
2599                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2600                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2601                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2602                              _("Error trying to refresh the contents of %s"),
2603                              tny_folder_get_name (folder));
2604                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2605                 goto out;
2606         }
2607
2608         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2609
2610         /* Call user defined callback, if it exists */
2611         if (helper->user_callback) {
2612
2613                 /* This is not a GDK lock because we are a Tinymail callback and
2614                  * Tinymail already acquires the Gdk lock */
2615
2616                 /* no gdk_threads_enter (), CHECKED */
2617                 helper->user_callback (self, folder, helper->user_data);
2618                 /* no gdk_threads_leave (), CHECKED */
2619         }
2620
2621  out:
2622         /* Free */
2623         g_slice_free   (RefreshAsyncHelper, helper);
2624
2625         /* Notify about operation end */
2626         modest_mail_operation_notify_end (self);
2627         g_object_unref(self);
2628 }
2629
2630 static void
2631 on_refresh_folder_status_update (GObject *obj,
2632                                  TnyStatus *status,
2633                                  gpointer user_data)
2634 {
2635         RefreshAsyncHelper *helper = NULL;
2636         ModestMailOperation *self = NULL;
2637         ModestMailOperationPrivate *priv = NULL;
2638         ModestMailOperationState *state;
2639
2640         g_return_if_fail (user_data != NULL);
2641         g_return_if_fail (status != NULL);
2642         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2643
2644         helper = (RefreshAsyncHelper *) user_data;
2645         self = helper->mail_op;
2646         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2647
2648         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2649
2650         priv->done = status->position;
2651         priv->total = status->of_total;
2652
2653         state = modest_mail_operation_clone_state (self);
2654
2655         /* This is not a GDK lock because we are a Tinymail callback and
2656          * Tinymail already acquires the Gdk lock */
2657
2658         /* no gdk_threads_enter (), CHECKED */
2659
2660         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2661
2662         /* no gdk_threads_leave (), CHECKED */
2663
2664         g_slice_free (ModestMailOperationState, state);
2665 }
2666
2667 void 
2668 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2669                                        TnyFolder *folder,
2670                                        RefreshAsyncUserCallback user_callback,
2671                                        gpointer user_data)
2672 {
2673         ModestMailOperationPrivate *priv = NULL;
2674         RefreshAsyncHelper *helper = NULL;
2675
2676         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2677
2678         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2679
2680         /* Get account and set it into mail_operation */
2681         priv->account = modest_tny_folder_get_account  (folder);
2682
2683         /* Create the helper */
2684         helper = g_slice_new0 (RefreshAsyncHelper);
2685         helper->mail_op = g_object_ref(self);
2686         helper->user_callback = user_callback;
2687         helper->user_data = user_data;
2688
2689         /* Refresh the folder. TODO: tinymail could issue a status
2690            updates before the callback call then this could happen. We
2691            must review the design */
2692         tny_folder_refresh_async (folder,
2693                                   on_refresh_folder,
2694                                   on_refresh_folder_status_update,
2695                                   helper);
2696 }
2697
2698 /**
2699  *
2700  * It's used by the mail operation queue to notify the observers
2701  * attached to that signal that the operation finished. We need to use
2702  * that because tinymail does not give us the progress of a given
2703  * operation when it finishes (it directly calls the operation
2704  * callback).
2705  */
2706 static void
2707 modest_mail_operation_notify_end (ModestMailOperation *self)
2708 {
2709         ModestMailOperationState *state;
2710         ModestMailOperationPrivate *priv = NULL;
2711
2712         g_return_if_fail (self);
2713
2714         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2715
2716         /* Set the account back to not busy */
2717         if (priv->account_name) {
2718                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2719                                                      priv->account_name, FALSE);
2720                 g_free(priv->account_name);
2721                 priv->account_name = NULL;
2722         }
2723         
2724         /* Notify the observers about the mail operation end */
2725         /* We do not wrapp this emission because we assume that this
2726            function is always called from within the main lock */
2727         state = modest_mail_operation_clone_state (self);
2728         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2729         g_slice_free (ModestMailOperationState, state);
2730 }