Adapted Modest to latest Tinymail API
[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         priv->error_checking_user_data = user_data;
309
310         return obj;
311 }
312
313 void
314 modest_mail_operation_execute_error_handler (ModestMailOperation *self)
315 {
316         ModestMailOperationPrivate *priv;
317         
318         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
319         g_return_if_fail(priv->status != MODEST_MAIL_OPERATION_STATUS_SUCCESS);     
320
321         if (priv->error_checking != NULL)
322                 priv->error_checking (self, priv->error_checking_user_data);
323 }
324
325
326 ModestMailOperationTypeOperation
327 modest_mail_operation_get_type_operation (ModestMailOperation *self)
328 {
329         ModestMailOperationPrivate *priv;
330
331         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
332         
333         return priv->op_type;
334 }
335
336 gboolean 
337 modest_mail_operation_is_mine (ModestMailOperation *self, 
338                                GObject *me)
339 {
340         ModestMailOperationPrivate *priv;
341
342         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
343         if (priv->source == NULL) return FALSE;
344
345         return priv->source == me;
346 }
347
348 GObject *
349 modest_mail_operation_get_source (ModestMailOperation *self)
350 {
351         ModestMailOperationPrivate *priv;
352
353         g_return_val_if_fail (self, NULL);
354         
355         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
356         if (!priv) {
357                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
358                 return NULL;
359         }
360         
361         return g_object_ref (priv->source);
362 }
363
364 ModestMailOperationStatus
365 modest_mail_operation_get_status (ModestMailOperation *self)
366 {
367         ModestMailOperationPrivate *priv;
368
369         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
370         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
371                               MODEST_MAIL_OPERATION_STATUS_INVALID);
372
373         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
374         if (!priv) {
375                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
376                 return MODEST_MAIL_OPERATION_STATUS_INVALID;
377         }
378         
379         return priv->status;
380 }
381
382 const GError *
383 modest_mail_operation_get_error (ModestMailOperation *self)
384 {
385         ModestMailOperationPrivate *priv;
386
387         g_return_val_if_fail (self, NULL);
388         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
389
390         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
391
392         if (!priv) {
393                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
394                 return NULL;
395         }
396
397         return priv->error;
398 }
399
400 gboolean 
401 modest_mail_operation_cancel (ModestMailOperation *self)
402 {
403         ModestMailOperationPrivate *priv;
404         gboolean canceled = FALSE;
405
406         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
407
408         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
409
410         /* Note that if we call cancel with an already canceled mail
411            operation the progress changed signal won't be emitted */
412         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
413                 return FALSE;
414
415         /* Set new status */
416         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
417         
418         /* Cancel the mail operation. We need to wrap it between this
419            start/stop operations to allow following calls to the
420            account */
421         g_return_val_if_fail (priv->account, FALSE);
422         tny_account_cancel (priv->account);
423
424         return canceled;
425 }
426
427 guint 
428 modest_mail_operation_get_task_done (ModestMailOperation *self)
429 {
430         ModestMailOperationPrivate *priv;
431
432         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
433
434         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
435         return priv->done;
436 }
437
438 guint 
439 modest_mail_operation_get_task_total (ModestMailOperation *self)
440 {
441         ModestMailOperationPrivate *priv;
442
443         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
444
445         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
446         return priv->total;
447 }
448
449 gboolean
450 modest_mail_operation_is_finished (ModestMailOperation *self)
451 {
452         ModestMailOperationPrivate *priv;
453         gboolean retval = FALSE;
454
455         if (!MODEST_IS_MAIL_OPERATION (self)) {
456                 g_warning ("%s: invalid parametter", G_GNUC_FUNCTION);
457                 return retval;
458         }
459
460         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
461
462         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
463             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
464             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
465             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
466                 retval = TRUE;
467         } else {
468                 retval = FALSE;
469         }
470
471         return retval;
472 }
473
474 guint
475 modest_mail_operation_get_id (ModestMailOperation *self)
476 {
477         ModestMailOperationPrivate *priv;
478
479         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
480
481         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
482         return priv->done;
483 }
484
485 guint 
486 modest_mail_operation_set_id (ModestMailOperation *self,
487                               guint id)
488 {
489         ModestMailOperationPrivate *priv;
490
491         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
492
493         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
494         return priv->done;
495 }
496
497 /*
498  * Creates an image of the current state of a mail operation, the
499  * caller must free it
500  */
501 static ModestMailOperationState *
502 modest_mail_operation_clone_state (ModestMailOperation *self)
503 {
504         ModestMailOperationState *state;
505         ModestMailOperationPrivate *priv;
506
507         /* FIXME: this should be fixed properly
508          * 
509          * in some cases, priv was NULL, so checking here to
510          * make sure.
511          */
512         g_return_val_if_fail (self, NULL);
513         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
514         g_return_val_if_fail (priv, NULL);
515
516         if (!priv)
517                 return NULL;
518
519         state = g_slice_new (ModestMailOperationState);
520
521         state->status = priv->status;
522         state->op_type = priv->op_type;
523         state->done = priv->done;
524         state->total = priv->total;
525         state->finished = modest_mail_operation_is_finished (self);
526         state->bytes_done = 0;
527         state->bytes_total = 0;
528
529         return state;
530 }
531
532 /* ******************************************************************* */
533 /* ************************** SEND   ACTIONS ************************* */
534 /* ******************************************************************* */
535
536 void
537 modest_mail_operation_send_mail (ModestMailOperation *self,
538                                  TnyTransportAccount *transport_account,
539                                  TnyMsg* msg)
540 {
541         TnySendQueue *send_queue = NULL;
542         ModestMailOperationPrivate *priv;
543         
544         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
545         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
546         g_return_if_fail (TNY_IS_MSG (msg));
547         
548         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
549
550         /* Get account and set it into mail_operation */
551         priv->account = g_object_ref (transport_account);
552         priv->done = 1;
553         priv->total = 1;
554
555         send_queue = TNY_SEND_QUEUE (modest_runtime_get_send_queue (transport_account));
556         if (!TNY_IS_SEND_QUEUE(send_queue)) {
557                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
558                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
559                              "modest: could not find send queue for account\n");
560                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
561
562         } else {
563                 /* TODO: connect to the msg-sent in order to know when
564                    the mail operation is finished */
565
566 /*              tny_send_queue_add (send_queue, msg, &(priv->error)); */
567                 modest_tny_send_queue_add (MODEST_TNY_SEND_QUEUE(send_queue), 
568                                            msg, 
569                                            &(priv->error));
570
571                 /* TODO: we're setting always success, do the check in
572                    the handler */
573                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
574         }
575
576         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)
577                 modest_platform_information_banner (NULL, NULL, _("mcen_ib_outbox_waiting_to_be_sent"));
578
579         /* TODO: do this in the handler of the "msg-sent"
580            signal.Notify about operation end */
581         modest_mail_operation_notify_end (self);
582 }
583
584 static gboolean
585 idle_create_msg_cb (gpointer idle_data)
586 {
587         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
588
589         /* This is a GDK lock because we are an idle callback and
590          * info->callback can contain Gtk+ code */
591
592         gdk_threads_enter (); /* CHECKED */
593         info->callback (info->mail_op, info->msg, info->userdata);
594
595         g_object_unref (info->mail_op);
596         if (info->msg)
597                 g_object_unref (info->msg);
598         g_slice_free (CreateMsgIdleInfo, info);
599         gdk_threads_leave (); /* CHECKED */
600
601         return FALSE;
602 }
603
604 static gpointer 
605 create_msg_thread (gpointer thread_data)
606 {
607         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
608         TnyMsg *new_msg = NULL;
609         ModestMailOperationPrivate *priv;
610
611         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
612         if (info->html_body == NULL) {
613                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
614                                               info->bcc, info->subject, info->plain_body, 
615                                               info->attachments_list); /* FIXME: attachments */
616         } else {
617                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
618                                                          info->bcc, info->subject, info->html_body,
619                                                          info->plain_body, info->attachments_list);
620         }
621
622         if (new_msg) {
623                 TnyHeader *header;
624                 TnyHeaderFlags flags = 0;
625
626                 /* Set priority flags in message */
627                 header = tny_msg_get_header (new_msg);
628                 if (info->priority_flags != 0)
629                         flags |= info->priority_flags;
630
631                 /* Set attachment flags in message */
632                 if (info->attachments_list != NULL)
633                         flags |= TNY_HEADER_FLAG_ATTACHMENTS;
634
635                 tny_header_set_flags (header, flags);
636                 g_object_unref (G_OBJECT(header));
637         } else {
638                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
639                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
640                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
641                              "modest: failed to create a new msg\n");
642         }
643
644
645         g_free (info->to);
646         g_free (info->from);
647         g_free (info->cc);
648         g_free (info->bcc);
649         g_free (info->plain_body);
650         g_free (info->html_body);
651         g_free (info->subject);
652         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
653         g_list_free (info->attachments_list);
654
655         if (info->callback) {
656                 CreateMsgIdleInfo *idle_info;
657                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
658                 idle_info->mail_op = info->mail_op;
659                 g_object_ref (info->mail_op);
660                 idle_info->msg = new_msg;
661                 if (new_msg)
662                         g_object_ref (new_msg);
663                 idle_info->callback = info->callback;
664                 idle_info->userdata = info->userdata;
665                 g_idle_add (idle_create_msg_cb, idle_info);
666         } else {
667                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
668         }
669
670         g_object_unref (info->mail_op);
671         g_slice_free (CreateMsgInfo, info);
672         return NULL;
673 }
674
675 void
676 modest_mail_operation_create_msg (ModestMailOperation *self,
677                                   const gchar *from, const gchar *to,
678                                   const gchar *cc, const gchar *bcc,
679                                   const gchar *subject, const gchar *plain_body,
680                                   const gchar *html_body,
681                                   const GList *attachments_list,
682                                   TnyHeaderFlags priority_flags,
683                                   ModestMailOperationCreateMsgCallback callback,
684                                   gpointer userdata)
685 {
686         CreateMsgInfo *info = NULL;
687
688         info = g_slice_new0 (CreateMsgInfo);
689         info->mail_op = self;
690         g_object_ref (self);
691
692         info->from = g_strdup (from);
693         info->to = g_strdup (to);
694         info->cc = g_strdup (cc);
695         info->bcc  = g_strdup (bcc);
696         info->subject = g_strdup (subject);
697         info->plain_body = g_strdup (plain_body);
698         info->html_body = g_strdup (html_body);
699         info->attachments_list = g_list_copy ((GList *) attachments_list);
700         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
701         info->priority_flags = priority_flags;
702
703         info->callback = callback;
704         info->userdata = userdata;
705
706         g_thread_create (create_msg_thread, info, FALSE, NULL);
707 }
708
709 typedef struct
710 {
711         TnyTransportAccount *transport_account;
712         TnyMsg *draft_msg;
713 } SendNewMailInfo;
714
715 static void
716 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
717                                         TnyMsg *msg,
718                                         gpointer userdata)
719 {
720         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
721         TnyFolder *draft_folder = NULL;
722         TnyFolder *outbox_folder = NULL;
723         TnyHeader *header;
724         GError *err = NULL;
725
726         if (!msg) {
727                 goto end;
728         }
729
730         /* Call mail operation */
731         modest_mail_operation_send_mail (self, info->transport_account, msg);
732
733         /* Remove old mail from its source folder */
734         draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
735         outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_OUTBOX);
736         if (info->draft_msg != NULL) {
737                 TnyFolder *folder = NULL;
738                 TnyFolder *src_folder = NULL;
739                 TnyFolderType folder_type;              
740                 folder = tny_msg_get_folder (info->draft_msg);          
741                 if (folder == NULL) goto end;
742                 folder_type = modest_tny_folder_guess_folder_type (folder);
743                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
744                         src_folder = outbox_folder;
745                 else 
746                         src_folder = draft_folder;
747
748                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
749                  * because this function requires it to have a UID. */          
750                 header = tny_msg_get_header (info->draft_msg);
751                 tny_folder_remove_msg (src_folder, header, NULL);
752
753                 tny_folder_sync (folder, TRUE, &err); /* FALSE --> don't expunge */
754 /*              tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /\* expunge *\/ */
755                 
756                 g_object_unref (header);
757                 g_object_unref (folder);
758         }
759
760 end:
761         if (err != NULL)
762                 g_error_free(err);      
763         if (info->draft_msg)
764                 g_object_unref (info->draft_msg);
765         if (draft_folder)
766                 g_object_unref (draft_folder);
767         if (outbox_folder)
768                 g_object_unref (outbox_folder);
769         if (info->transport_account)
770                 g_object_unref (info->transport_account);
771         g_slice_free (SendNewMailInfo, info);
772         modest_mail_operation_notify_end (self);
773 }
774
775 void
776 modest_mail_operation_send_new_mail (ModestMailOperation *self,
777                                      TnyTransportAccount *transport_account,
778                                      TnyMsg *draft_msg,
779                                      const gchar *from,  const gchar *to,
780                                      const gchar *cc,  const gchar *bcc,
781                                      const gchar *subject, const gchar *plain_body,
782                                      const gchar *html_body,
783                                      const GList *attachments_list,
784                                      TnyHeaderFlags priority_flags)
785 {
786         ModestMailOperationPrivate *priv = NULL;
787         SendNewMailInfo *info;
788
789         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
790         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
791
792         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
793
794         /* Check parametters */
795         if (to == NULL) {
796                 /* Set status failed and set an error */
797                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
798                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
799                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
800                              _("Error trying to send a mail. You need to set at least one recipient"));
801                 return;
802         }
803         info = g_slice_new0 (SendNewMailInfo);
804         info->transport_account = transport_account;
805         if (transport_account)
806                 g_object_ref (transport_account);
807         info->draft_msg = draft_msg;
808         if (draft_msg)
809                 g_object_ref (draft_msg);
810         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
811                                           attachments_list, priority_flags,
812                                           modest_mail_operation_send_new_mail_cb, info);
813
814 }
815
816 typedef struct
817 {
818         TnyTransportAccount *transport_account;
819         TnyMsg *draft_msg;
820         ModestMsgEditWindow *edit_window;
821 } SaveToDraftsInfo;
822
823 static void
824 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
825                                          TnyMsg *msg,
826                                          gpointer userdata)
827 {
828         TnyFolder *src_folder = NULL;
829         TnyFolder *folder = NULL;
830         TnyHeader *header = NULL;
831         ModestMailOperationPrivate *priv = NULL;
832         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
833
834         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
835         if (!msg) {
836                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
837                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
838                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
839                              "modest: failed to create a new msg\n");
840                 goto end;
841         }
842
843         folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
844         if (!folder) {
845                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
846                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
847                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
848                              "modest: failed to create a new msg\n");
849                 goto end;
850         }
851
852         if (!priv->error)
853                 tny_folder_add_msg (folder, msg, &(priv->error));
854
855         if ((!priv->error) && (info->draft_msg != NULL)) {
856                 header = tny_msg_get_header (info->draft_msg);
857                 src_folder = tny_header_get_folder (header); 
858
859                 /* Remove the old draft expunging it */
860                 tny_folder_remove_msg (src_folder, header, NULL);
861 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
862 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
863
864                 tny_folder_sync (folder, TRUE, &(priv->error)); /* FALSE --> don't expunge */
865                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
866
867                 g_object_unref (header);
868         }
869         
870         if (!priv->error)
871                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
872         else
873                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
874
875         if (info->edit_window)
876                 modest_msg_edit_window_set_draft (info->edit_window, msg);
877
878
879 end:
880         if (folder)
881                 g_object_unref (G_OBJECT(folder));
882         if (src_folder)
883                 g_object_unref (G_OBJECT(src_folder));
884         if (info->edit_window)
885                 g_object_unref (G_OBJECT(info->edit_window));
886         if (info->draft_msg)
887                 g_object_unref (G_OBJECT (info->draft_msg));
888         if (info->transport_account)
889                 g_object_unref (G_OBJECT(info->transport_account));
890         g_slice_free (SaveToDraftsInfo, info);
891
892         modest_mail_operation_notify_end (self);
893 }
894
895 void
896 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
897                                       TnyTransportAccount *transport_account,
898                                       TnyMsg *draft_msg,
899                                       ModestMsgEditWindow *edit_window,
900                                       const gchar *from,  const gchar *to,
901                                       const gchar *cc,  const gchar *bcc,
902                                       const gchar *subject, const gchar *plain_body,
903                                       const gchar *html_body,
904                                       const GList *attachments_list,
905                                       TnyHeaderFlags priority_flags)
906 {
907         ModestMailOperationPrivate *priv = NULL;
908         SaveToDraftsInfo *info = NULL;
909
910         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
911         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
912
913         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
914
915         /* Get account and set it into mail_operation */
916         priv->account = g_object_ref (transport_account);
917
918         info = g_slice_new0 (SaveToDraftsInfo);
919         info->transport_account = g_object_ref (transport_account);
920         info->draft_msg = draft_msg;
921         if (draft_msg)
922                 g_object_ref (draft_msg);
923         info->edit_window = edit_window;
924         if (edit_window)
925                 g_object_ref (edit_window);
926
927         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
928                                           attachments_list, priority_flags,
929                                           modest_mail_operation_save_to_drafts_cb, info);
930
931 }
932
933 typedef struct 
934 {
935         ModestMailOperation *mail_op;
936         TnyStoreAccount *account;
937         TnyTransportAccount *transport_account;
938         gint max_size;
939         gint retrieve_limit;
940         gchar *retrieve_type;
941         gchar *account_name;
942         UpdateAccountCallback callback;
943         gpointer user_data;
944         TnyList *new_headers;
945 } UpdateAccountInfo;
946
947 typedef struct
948 {
949         ModestMailOperation *mail_op;
950         TnyMimePart *mime_part;
951         gssize size;
952         GetMimePartSizeCallback callback;
953         gpointer userdata;
954 } GetMimePartSizeInfo;
955
956 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
957 /* We use this folder observer to track the headers that have been
958  * added to a folder */
959 typedef struct {
960         GObject parent;
961         TnyList *new_headers;
962 } InternalFolderObserver;
963
964 typedef struct {
965         GObjectClass parent;
966 } InternalFolderObserverClass;
967
968 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
969
970 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
971                          internal_folder_observer,
972                          G_TYPE_OBJECT,
973                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
974
975
976 static void
977 foreach_add_item (gpointer header, gpointer user_data)
978 {
979         tny_list_prepend (TNY_LIST (user_data), 
980                           g_object_ref (G_OBJECT (header)));
981 }
982
983 /* This is the method that looks for new messages in a folder */
984 static void
985 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
986 {
987         InternalFolderObserver *derived = (InternalFolderObserver *)self;
988         
989         TnyFolderChangeChanged changed;
990
991         changed = tny_folder_change_get_changed (change);
992
993         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
994                 TnyList *list;
995
996                 /* Get added headers */
997                 list = tny_simple_list_new ();
998                 tny_folder_change_get_added_headers (change, list);
999
1000                 /* Add them to the folder observer */
1001                 tny_list_foreach (list, foreach_add_item, 
1002                                   derived->new_headers);
1003
1004                 g_object_unref (G_OBJECT (list));
1005         }
1006 }
1007
1008 static void
1009 internal_folder_observer_init (InternalFolderObserver *self) 
1010 {
1011         self->new_headers = tny_simple_list_new ();
1012 }
1013 static void
1014 internal_folder_observer_finalize (GObject *object) 
1015 {
1016         InternalFolderObserver *self;
1017
1018         self = (InternalFolderObserver *) object;
1019         g_object_unref (self->new_headers);
1020
1021         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
1022 }
1023 static void
1024 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1025 {
1026         iface->update_func = internal_folder_observer_update;
1027 }
1028 static void
1029 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1030 {
1031         GObjectClass *object_class;
1032
1033         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1034         object_class = (GObjectClass*) klass;
1035         object_class->finalize = internal_folder_observer_finalize;
1036 }
1037
1038 /*****************/
1039
1040 static void
1041 recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all_folders)
1042 {
1043         TnyIterator *iter;
1044         TnyList *folders = tny_simple_list_new ();
1045
1046         tny_folder_store_get_folders (store, folders, query, NULL);
1047         iter = tny_list_create_iterator (folders);
1048
1049         while (!tny_iterator_is_done (iter)) {
1050
1051                 TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1052                 if (folder) {
1053                         tny_list_prepend (all_folders, G_OBJECT (folder));
1054                         recurse_folders (folder, query, all_folders);    
1055                         g_object_unref (G_OBJECT (folder));
1056                 }
1057
1058                 tny_iterator_next (iter);
1059         }
1060          g_object_unref (G_OBJECT (iter));
1061          g_object_unref (G_OBJECT (folders));
1062 }
1063
1064 /* 
1065  * Issues the "progress-changed" signal. The timer won't be removed,
1066  * so you must call g_source_remove to stop the signal emission
1067  */
1068 static gboolean
1069 idle_notify_progress (gpointer data)
1070 {
1071         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1072         ModestMailOperationState *state;
1073
1074         state = modest_mail_operation_clone_state (mail_op);
1075
1076         /* This is a GDK lock because we are an idle callback and
1077          * the handlers of this signal can contain Gtk+ code */
1078
1079         gdk_threads_enter (); /* CHECKED */
1080         g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1081         gdk_threads_leave (); /* CHECKED */
1082
1083         g_slice_free (ModestMailOperationState, state);
1084         
1085         return TRUE;
1086 }
1087
1088 /* 
1089  * Issues the "progress-changed" signal and removes the timer. It uses
1090  * a lock to ensure that the progress information of the mail
1091  * operation is not modified while there are notifications pending
1092  */
1093 static gboolean
1094 idle_notify_progress_once (gpointer data)
1095 {
1096         ModestPair *pair;
1097
1098         pair = (ModestPair *) data;
1099
1100         /* This is a GDK lock because we are an idle callback and
1101          * the handlers of this signal can contain Gtk+ code */
1102
1103         gdk_threads_enter (); /* CHECKED */
1104         g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
1105         gdk_threads_leave (); /* CHECKED */
1106
1107         /* Free the state and the reference to the mail operation */
1108         g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
1109         g_object_unref (pair->first);
1110
1111         return FALSE;
1112 }
1113
1114 /* 
1115  * Used to notify the queue from the main
1116  * loop. We call it inside an idle call to achieve that
1117  */
1118 static gboolean
1119 idle_notify_queue (gpointer data)
1120 {
1121         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1122
1123         /* Do not need to block, the notify end will do it for us */    
1124         modest_mail_operation_notify_end (mail_op);
1125         g_object_unref (mail_op);
1126
1127         return FALSE;
1128 }
1129
1130 static int
1131 compare_headers_by_date (gconstpointer a, 
1132                          gconstpointer b)
1133 {
1134         TnyHeader **header1, **header2;
1135         time_t sent1, sent2;
1136
1137         header1 = (TnyHeader **) a;
1138         header2 = (TnyHeader **) b;
1139
1140         sent1 = tny_header_get_date_sent (*header1);
1141         sent2 = tny_header_get_date_sent (*header2);
1142
1143         /* We want the most recent ones (greater time_t) at the
1144            beginning */
1145         if (sent1 < sent2)
1146                 return 1;
1147         else
1148                 return -1;
1149 }
1150
1151 static gboolean 
1152 set_last_updated_idle (gpointer data)
1153 {
1154
1155         /* This is a GDK lock because we are an idle callback and
1156          * modest_account_mgr_set_int can contain Gtk+ code */
1157
1158         gdk_threads_enter (); /* CHECKED - please recheck */
1159
1160         /* It does not matter if the time is not exactly the same than
1161            the time when this idle was called, it's just an
1162            approximation and it won't be very different */
1163
1164         modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
1165                                     (gchar *) data, 
1166                                     MODEST_ACCOUNT_LAST_UPDATED, 
1167                                     time(NULL), 
1168                                     TRUE);
1169
1170         gdk_threads_leave (); /* CHECKED - please recheck */
1171
1172         return FALSE;
1173 }
1174
1175 static gboolean
1176 idle_update_account_cb (gpointer data)
1177 {
1178         UpdateAccountInfo *idle_info;
1179
1180         idle_info = (UpdateAccountInfo *) data;
1181
1182         /* This is a GDK lock because we are an idle callback and
1183          * idle_info->callback can contain Gtk+ code */
1184
1185         gdk_threads_enter (); /* CHECKED */
1186         idle_info->callback (idle_info->mail_op,
1187                              idle_info->new_headers,
1188                              idle_info->user_data);
1189         gdk_threads_leave (); /* CHECKED */
1190
1191         /* Frees */
1192         g_object_unref (idle_info->mail_op);
1193         if (idle_info->new_headers)
1194                 g_object_unref (idle_info->new_headers);
1195         g_free (idle_info);
1196
1197         return FALSE;
1198 }
1199
1200 static TnyList *
1201 get_all_folders_from_account (TnyStoreAccount *account,
1202                               GError **error)
1203 {
1204         TnyList *all_folders = NULL;
1205         TnyIterator *iter = NULL;
1206         TnyFolderStoreQuery *query = NULL;
1207
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 (account),
1212                                       all_folders,
1213                                       query,
1214                                       error);
1215
1216         if (*error) {
1217                 if (all_folders)
1218                         g_object_unref (all_folders);
1219                 return NULL;
1220         }
1221
1222         iter = tny_list_create_iterator (all_folders);
1223         while (!tny_iterator_is_done (iter)) {
1224                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1225                 if (folder) {
1226                         recurse_folders (folder, query, all_folders);
1227                         g_object_unref (folder);
1228                 }
1229                 tny_iterator_next (iter);
1230         }
1231         g_object_unref (G_OBJECT (iter));
1232
1233         return all_folders;
1234 }
1235
1236
1237 static gpointer
1238 update_account_thread (gpointer thr_user_data)
1239 {
1240         static gboolean first_time = TRUE;
1241         UpdateAccountInfo *info = NULL;
1242         TnyList *all_folders = NULL, *new_headers = NULL;
1243         GPtrArray *new_headers_array = NULL;
1244         TnyIterator *iter = NULL;
1245         ModestMailOperationPrivate *priv = NULL;
1246         ModestTnySendQueue *send_queue = NULL;
1247         gint i = 0, timeout = 0;
1248
1249         info = (UpdateAccountInfo *) thr_user_data;
1250         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1251
1252         /* Get account and set it into mail_operation */
1253         priv->account = g_object_ref (info->account);
1254
1255         /* Get all the folders. We can do it synchronously because
1256            we're already running in a different thread than the UI */
1257         all_folders = get_all_folders_from_account (info->account, &(priv->error));
1258         if (!all_folders) {
1259                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1260                 goto out;
1261         }
1262
1263         /* Update status and notify. We need to call the notification
1264            with a source function in order to call it from the main
1265            loop. We need that in order not to get into trouble with
1266            Gtk+. We use a timeout in order to provide more status
1267            information, because the sync tinymail call does not
1268            provide it for the moment */
1269         timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1270
1271         new_headers_array = g_ptr_array_new ();
1272         iter = tny_list_create_iterator (all_folders);
1273
1274         while (!tny_iterator_is_done (iter) && !priv->error && 
1275                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1276
1277                 TnyFolderType folder_type;
1278                 TnyFolder *folder = NULL;
1279
1280                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
1281                 folder_type = tny_folder_get_folder_type (folder);
1282
1283                 /* Refresh it only if it's the INBOX */
1284                 if (folder_type == TNY_FOLDER_TYPE_INBOX) {
1285                         InternalFolderObserver *observer = NULL;
1286                         TnyIterator *new_headers_iter = NULL;
1287
1288                         /* Refresh the folder. Our observer receives
1289                          * the new emails during folder refreshes, so
1290                          * we can use observer->new_headers
1291                          */
1292                         observer = g_object_new (internal_folder_observer_get_type (), NULL);
1293                         tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1294                 
1295                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1296
1297                         new_headers_iter = tny_list_create_iterator (observer->new_headers);
1298                         while (!tny_iterator_is_done (new_headers_iter)) {
1299                                 TnyHeader *header = NULL;
1300
1301                                 header = TNY_HEADER (tny_iterator_get_current (new_headers_iter));
1302                                 /* Apply per-message size limits */
1303                                 if (tny_header_get_message_size (header) < info->max_size)
1304                                         g_ptr_array_add (new_headers_array, g_object_ref (header));
1305                                 
1306                                 g_object_unref (header);
1307                                 tny_iterator_next (new_headers_iter);
1308                         }
1309                         g_object_unref (new_headers_iter);
1310
1311                         tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1312                         g_object_unref (observer);
1313                 } else {
1314                         /* We no not need to do it the first time,
1315                            because it's automatically done by the tree
1316                            model */
1317                         if (G_LIKELY (!first_time))
1318                                 tny_folder_poke_status (folder);
1319                 }
1320                 g_object_unref (folder);
1321
1322                 tny_iterator_next (iter);
1323         }
1324         g_object_unref (G_OBJECT (iter));
1325         g_source_remove (timeout);
1326
1327         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1328             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1329             new_headers_array->len > 0) {
1330                 gint msg_num = 0;
1331
1332                 /* Order by date */
1333                 g_ptr_array_sort (new_headers_array, (GCompareFunc) compare_headers_by_date);
1334
1335                 /* TODO: Ask the user, instead of just failing,
1336                  * showing mail_nc_msg_count_limit_exceeded, with 'Get
1337                  * all' and 'Newest only' buttons. */
1338                 if (new_headers_array->len > info->retrieve_limit) {
1339                         /* TODO */
1340                 }
1341
1342                 /* Should be get only the headers or the message as well? */
1343                 if (g_ascii_strcasecmp (info->retrieve_type, 
1344                                         MODEST_ACCOUNT_RETRIEVE_VALUE_HEADERS_ONLY) != 0) {     
1345                         priv->done = 0;
1346                         priv->total = MIN (new_headers_array->len, info->retrieve_limit);
1347                         while (msg_num < priv->total) {
1348
1349                                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, msg_num));
1350                                 TnyFolder *folder = tny_header_get_folder (header);
1351                                 TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1352                                 ModestMailOperationState *state;
1353                                 ModestPair* pair;
1354
1355                                 priv->done++;
1356                                 /* We can not just use the mail operation because the
1357                                    values of done and total could change before the
1358                                    idle is called */
1359                                 state = modest_mail_operation_clone_state (info->mail_op);
1360                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1361                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1362                                                  pair, (GDestroyNotify) modest_pair_free);
1363
1364                                 g_object_unref (msg);
1365                                 g_object_unref (folder);
1366
1367                                 msg_num++;
1368                         }
1369                 }
1370         }
1371
1372         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1373                 goto out;
1374
1375         /* Copy the headers to a list and free the array */
1376         new_headers = tny_simple_list_new ();
1377         for (i=0; i < new_headers_array->len; i++) {
1378                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, i));
1379                 tny_list_append (new_headers, G_OBJECT (header));
1380         }
1381         g_ptr_array_foreach (new_headers_array, (GFunc) g_object_unref, NULL);
1382         g_ptr_array_free (new_headers_array, FALSE);
1383         
1384
1385         /* Perform send (if operation was not cancelled) */
1386         priv->done = 0;
1387         priv->total = 0;
1388         if (priv->account != NULL) 
1389                 g_object_unref (priv->account);
1390         priv->account = g_object_ref (info->transport_account);
1391         
1392         send_queue = modest_runtime_get_send_queue (info->transport_account);
1393         if (send_queue) {
1394                 modest_tny_send_queue_try_to_send (send_queue);
1395         } else {
1396                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1397                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1398                              "cannot create a send queue for %s\n", 
1399                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1400                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1401         }
1402         
1403         /* Check if the operation was a success */
1404         if (!priv->error) {
1405                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1406
1407                 /* Update the last updated key */
1408                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1409                                  set_last_updated_idle, 
1410                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1411                                  (GDestroyNotify) g_free);
1412         }
1413
1414  out:
1415
1416         if (info->callback) {
1417                 UpdateAccountInfo *idle_info;
1418
1419                 /* This thread is not in the main lock */
1420                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1421                 idle_info->mail_op = g_object_ref (info->mail_op);
1422                 idle_info->new_headers = (new_headers) ? g_object_ref (new_headers) : NULL;
1423                 idle_info->callback = info->callback;
1424                 idle_info->user_data = info->user_data;
1425                 g_idle_add (idle_update_account_cb, idle_info);
1426         }
1427
1428         /* Notify about operation end. Note that the info could be
1429            freed before this idle happens, but the mail operation will
1430            be still alive */
1431         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1432
1433         /* Frees */
1434         if (new_headers)
1435                 g_object_unref (new_headers);
1436         if (all_folders)
1437                 g_object_unref (all_folders);
1438         g_object_unref (info->account);
1439         g_object_unref (info->transport_account);
1440         g_free (info->retrieve_type);
1441         g_slice_free (UpdateAccountInfo, info);
1442
1443         first_time = FALSE;
1444
1445         return NULL;
1446 }
1447
1448 gboolean
1449 modest_mail_operation_update_account (ModestMailOperation *self,
1450                                       const gchar *account_name,
1451                                       UpdateAccountCallback callback,
1452                                       gpointer user_data)
1453 {
1454         GThread *thread = NULL;
1455         UpdateAccountInfo *info = NULL;
1456         ModestMailOperationPrivate *priv = NULL;
1457         ModestAccountMgr *mgr = NULL;
1458         TnyStoreAccount *store_account = NULL;
1459         TnyTransportAccount *transport_account = NULL;
1460
1461         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1462         g_return_val_if_fail (account_name, FALSE);
1463
1464         /* Init mail operation. Set total and done to 0, and do not
1465            update them, this way the progress objects will know that
1466            we have no clue about the number of the objects */
1467         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1468         priv->total = 0;
1469         priv->done  = 0;
1470         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1471
1472         /* Get the store account */
1473         store_account = (TnyStoreAccount *)
1474                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1475                                                                      account_name,
1476                                                                      TNY_ACCOUNT_TYPE_STORE);
1477                                                                      
1478         if (!store_account) {
1479                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1480                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1481                              "cannot get tny store account for %s\n", account_name);
1482                 goto error;
1483         }
1484
1485         
1486         /* Get the transport account, we can not do it in the thread
1487            due to some problems with dbus */
1488         transport_account = (TnyTransportAccount *)
1489                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1490                                                                                     account_name);
1491         if (!transport_account) {
1492                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1493                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1494                              "cannot get tny transport account for %s\n", account_name);
1495                 goto error;
1496         }
1497
1498         /* Create the helper object */
1499         info = g_slice_new (UpdateAccountInfo);
1500         info->mail_op = self;
1501         info->account = store_account;
1502         info->transport_account = transport_account;
1503         info->callback = callback;
1504         info->user_data = user_data;
1505
1506         /* Get the message size limit */
1507         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1508                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1509         if (info->max_size == 0)
1510                 info->max_size = G_MAXINT;
1511         else
1512                 info->max_size = info->max_size * KB;
1513
1514         /* Get per-account retrieval type */
1515         mgr = modest_runtime_get_account_mgr ();
1516         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1517                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1518
1519         /* Get per-account message amount retrieval limit */
1520         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1521                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1522         if (info->retrieve_limit == 0)
1523                 info->retrieve_limit = G_MAXINT;
1524                 
1525         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1526
1527         /* Set account busy */
1528         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1529         priv->account_name = g_strdup(account_name);
1530         
1531         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1532
1533         return TRUE;
1534
1535  error:
1536         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1537         if (callback) {
1538                 callback (self, NULL, user_data);
1539         }
1540         modest_mail_operation_notify_end (self);
1541         return FALSE;
1542 }
1543
1544 /* ******************************************************************* */
1545 /* ************************** STORE  ACTIONS ************************* */
1546 /* ******************************************************************* */
1547
1548
1549 TnyFolder *
1550 modest_mail_operation_create_folder (ModestMailOperation *self,
1551                                      TnyFolderStore *parent,
1552                                      const gchar *name)
1553 {
1554         ModestMailOperationPrivate *priv;
1555         TnyFolder *new_folder = NULL;
1556
1557         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1558         g_return_val_if_fail (name, NULL);
1559         
1560         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1561
1562         /* Check for already existing folder */
1563         if (modest_tny_folder_has_subfolder_with_name (parent, name)) {
1564                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1565                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1566                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1567                              _CS("ckdg_ib_folder_already_exists"));
1568         }
1569
1570         /* Check parent */
1571         if (TNY_IS_FOLDER (parent)) {
1572                 /* Check folder rules */
1573                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1574                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1575                         /* Set status failed and set an error */
1576                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1577                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1578                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1579                                      _("mail_in_ui_folder_create_error"));
1580                 }
1581         }
1582
1583         if (!strcmp (name, " ") || strchr (name, '/')) {
1584                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1585                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1586                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1587                              _("mail_in_ui_folder_create_error"));
1588         }
1589
1590         if (!priv->error) {
1591                 /* Create the folder */
1592                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1593                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1594                 if (!priv->error)
1595                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1596         }
1597
1598         /* Notify about operation end */
1599         modest_mail_operation_notify_end (self);
1600
1601         return new_folder;
1602 }
1603
1604 void
1605 modest_mail_operation_remove_folder (ModestMailOperation *self,
1606                                      TnyFolder           *folder,
1607                                      gboolean             remove_to_trash)
1608 {
1609         TnyAccount *account;
1610         ModestMailOperationPrivate *priv;
1611         ModestTnyFolderRules rules;
1612
1613         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1614         g_return_if_fail (TNY_IS_FOLDER (folder));
1615         
1616         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1617         
1618         /* Check folder rules */
1619         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1620         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1621                 /* Set status failed and set an error */
1622                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1623                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1624                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1625                              _("mail_in_ui_folder_delete_error"));
1626                 goto end;
1627         }
1628
1629         /* Get the account */
1630         account = modest_tny_folder_get_account (folder);
1631         priv->account = g_object_ref(account);
1632
1633         /* Delete folder or move to trash */
1634         if (remove_to_trash) {
1635                 TnyFolder *trash_folder = NULL;
1636                 trash_folder = modest_tny_account_get_special_folder (account,
1637                                                                       TNY_FOLDER_TYPE_TRASH);
1638                 /* TODO: error_handling */
1639                 if (trash_folder) {
1640                         modest_mail_operation_xfer_folder (self, folder,
1641                                                     TNY_FOLDER_STORE (trash_folder), 
1642                                                     TRUE, NULL, NULL);
1643                         g_object_unref (trash_folder);
1644                 }
1645         } else {
1646                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1647
1648                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1649                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1650
1651                 if (!priv->error)
1652                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1653
1654                 if (parent)
1655                         g_object_unref (G_OBJECT (parent));
1656         }
1657         g_object_unref (G_OBJECT (account));
1658
1659  end:
1660         /* Notify about operation end */
1661         modest_mail_operation_notify_end (self);
1662 }
1663
1664 static void
1665 transfer_folder_status_cb (GObject *obj,
1666                            TnyStatus *status,
1667                            gpointer user_data)
1668 {
1669         ModestMailOperation *self;
1670         ModestMailOperationPrivate *priv;
1671         ModestMailOperationState *state;
1672         XFerMsgAsyncHelper *helper;
1673
1674         g_return_if_fail (status != NULL);
1675         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1676
1677         helper = (XFerMsgAsyncHelper *) user_data;
1678         g_return_if_fail (helper != NULL);
1679
1680         self = helper->mail_op;
1681         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1682
1683         priv->done = status->position;
1684         priv->total = status->of_total;
1685
1686         state = modest_mail_operation_clone_state (self);
1687
1688         /* This is not a GDK lock because we are a Tinymail callback
1689          * which is already GDK locked by Tinymail */
1690
1691         /* no gdk_threads_enter (), CHECKED */
1692
1693         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1694
1695         /* no gdk_threads_leave (), CHECKED */
1696
1697         g_slice_free (ModestMailOperationState, state);
1698 }
1699
1700
1701 static void
1702 transfer_folder_cb (TnyFolder *folder, 
1703                     gboolean cancelled, 
1704                     TnyFolderStore *into, 
1705                     TnyFolder *new_folder, 
1706                     GError *err, 
1707                     gpointer user_data)
1708 {
1709         XFerMsgAsyncHelper *helper;
1710         ModestMailOperation *self = NULL;
1711         ModestMailOperationPrivate *priv = NULL;
1712
1713         helper = (XFerMsgAsyncHelper *) user_data;
1714         g_return_if_fail (helper != NULL);       
1715
1716         self = helper->mail_op;
1717         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1718
1719         if (err) {
1720                 priv->error = g_error_copy (err);
1721                 priv->done = 0;
1722                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1723         } else if (cancelled) {
1724                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1725                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1726                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1727                              _("Transference of %s was cancelled."),
1728                              tny_folder_get_name (folder));
1729         } else {
1730                 priv->done = 1;
1731                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1732         }
1733                 
1734         /* Notify about operation end */
1735         modest_mail_operation_notify_end (self);
1736
1737         /* If user defined callback function was defined, call it */
1738         if (helper->user_callback) {
1739
1740                 /* This is not a GDK lock because we are a Tinymail callback
1741                  * which is already GDK locked by Tinymail */
1742
1743                 /* no gdk_threads_enter (), CHECKED */
1744                 helper->user_callback (priv->source, helper->user_data);
1745                 /* no gdk_threads_leave () , CHECKED */
1746         }
1747
1748         /* Free */
1749         g_object_unref (helper->mail_op);
1750         g_slice_free   (XFerMsgAsyncHelper, helper);
1751 }
1752
1753 /**
1754  *
1755  * This function checks if the new name is a valid name for our local
1756  * folders account. The new name could not be the same than then name
1757  * of any of the mandatory local folders
1758  *
1759  * We can not rely on tinymail because tinymail does not check the
1760  * name of the virtual folders that the account could have in the case
1761  * that we're doing a rename (because it directly calls Camel which
1762  * knows nothing about our virtual folders). 
1763  *
1764  * In the case of an actual copy/move (i.e. move/copy a folder between
1765  * accounts) tinymail uses the tny_folder_store_create_account which
1766  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1767  * checks the new name of the folder, so this call in that case
1768  * wouldn't be needed. *But* NOTE that if tinymail changes its
1769  * implementation (if folder transfers within the same account is no
1770  * longer implemented as a rename) this call will allow Modest to work
1771  * perfectly
1772  *
1773  * If the new name is not valid, this function will set the status to
1774  * failed and will set also an error in the mail operation
1775  */
1776 static gboolean
1777 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1778                                  TnyFolderStore *into,
1779                                  const gchar *new_name)
1780 {
1781         if (TNY_IS_ACCOUNT (into) && 
1782             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1783             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1784                                                                  new_name)) {
1785                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1786                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1787                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1788                              _("ckdg_ib_folder_already_exists"));
1789                 return FALSE;
1790         } else
1791                 return TRUE;
1792 }
1793
1794 /**
1795  * This function checks if @ancestor is an acestor of @folder and
1796  * returns TRUE in that case
1797  */
1798 static gboolean
1799 folder_is_ancestor (TnyFolder *folder,
1800                     TnyFolderStore *ancestor)
1801 {
1802         TnyFolder *tmp = NULL;
1803         gboolean found = FALSE;
1804
1805         tmp = folder;
1806         while (!found && tmp && !TNY_IS_ACCOUNT (tmp)) {
1807                 TnyFolderStore *folder_store;
1808
1809                 folder_store = tny_folder_get_folder_store (tmp);
1810                 if (ancestor == folder_store)
1811                         found = TRUE;
1812                 else
1813                         tmp = g_object_ref (folder_store);
1814                 g_object_unref (folder_store);
1815         }
1816         return found;
1817 }
1818
1819 void
1820 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1821                                    TnyFolder *folder,
1822                                    TnyFolderStore *parent,
1823                                    gboolean delete_original,
1824                                    XferMsgsAsynUserCallback user_callback,
1825                                    gpointer user_data)
1826 {
1827         ModestMailOperationPrivate *priv = NULL;
1828         ModestTnyFolderRules parent_rules = 0, rules; 
1829         XFerMsgAsyncHelper *helper = NULL;
1830         const gchar *folder_name = NULL;
1831         const gchar *error_msg;
1832
1833         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1834         g_return_if_fail (TNY_IS_FOLDER (folder));
1835         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1836
1837         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1838         folder_name = tny_folder_get_name (folder);
1839
1840         /* Set the error msg */
1841         error_msg = _("mail_in_ui_folder_move_target_error");
1842
1843         /* Get account and set it into mail_operation */
1844         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1845         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1846
1847         /* Get folder rules */
1848         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1849         if (TNY_IS_FOLDER (parent))
1850                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1851         
1852         /* The moveable restriction is applied also to copy operation */
1853         if ((gpointer) parent == (gpointer) folder ||
1854             (!TNY_IS_FOLDER_STORE (parent)) || 
1855             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1856
1857                 /* Set status failed and set an error */
1858                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1859                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1860                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1861                              error_msg);
1862
1863                 /* Notify the queue */
1864                 modest_mail_operation_notify_end (self);
1865
1866         } else if (TNY_IS_FOLDER (parent) && 
1867                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1868
1869                 /* Set status failed and set an error */
1870                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1871                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1872                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1873                              error_msg);
1874
1875                 /* Notify the queue */
1876                 modest_mail_operation_notify_end (self);
1877
1878         } else if (TNY_IS_FOLDER (parent) &&
1879                    TNY_IS_FOLDER_STORE (folder) &&
1880                    folder_is_ancestor (TNY_FOLDER (parent), TNY_FOLDER_STORE (folder))) {
1881                 /* Set status failed and set an error */
1882                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1883                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1884                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1885                              error_msg);
1886
1887                 /* Notify the queue */
1888                 modest_mail_operation_notify_end (self);
1889
1890         } else if (TNY_IS_FOLDER_STORE (parent) &&
1891                    modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
1892                 /* Check that the new folder name is not used by any
1893                     parent subfolder */
1894
1895                 /* Set status failed and set an error */
1896                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1897                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1898                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1899                              error_msg);
1900
1901                 /* Notify the queue */
1902                 modest_mail_operation_notify_end (self);
1903                 
1904         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1905                 /* Check that the new folder name is not used by any
1906                    special local folder */
1907
1908                 /* Set status failed and set an error */
1909                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1910                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1911                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1912                              error_msg);
1913
1914                 /* Notify the queue */
1915                 modest_mail_operation_notify_end (self);
1916         } else {
1917                 /* Create the helper */
1918                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1919                 helper->mail_op = g_object_ref(self);
1920                 helper->dest_folder = NULL;
1921                 helper->headers = NULL;
1922                 helper->user_callback = user_callback;
1923                 helper->user_data = user_data;
1924                 
1925                 /* Move/Copy folder */          
1926                 tny_folder_copy_async (folder,
1927                                        parent,
1928                                        tny_folder_get_name (folder),
1929                                        delete_original,
1930                                        transfer_folder_cb,
1931                                        transfer_folder_status_cb,
1932                                        helper);         
1933         } 
1934         
1935 }
1936
1937 void
1938 modest_mail_operation_rename_folder (ModestMailOperation *self,
1939                                      TnyFolder *folder,
1940                                      const gchar *name)
1941 {
1942         ModestMailOperationPrivate *priv;
1943         ModestTnyFolderRules rules;
1944         XFerMsgAsyncHelper *helper;
1945
1946         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1947         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1948         g_return_if_fail (name);
1949         
1950         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1951
1952         /* Get account and set it into mail_operation */
1953         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1954
1955         /* Check folder rules */
1956         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1957         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1958                 /* Set status failed and set an error */
1959                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1960                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1961                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1962                              _("FIXME: unable to rename"));
1963
1964                 /* Notify about operation end */
1965                 modest_mail_operation_notify_end (self);
1966         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1967                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1968                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1969                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1970                              _("FIXME: unable to rename"));
1971                 /* Notify about operation end */
1972                 modest_mail_operation_notify_end (self);
1973         } else {
1974                 TnyFolderStore *into;
1975
1976                 into = tny_folder_get_folder_store (folder);    
1977
1978                 /* Check that the new folder name is not used by any
1979                    special local folder */
1980                 if (new_name_valid_if_local_account (priv, into, name)) {
1981                         /* Create the helper */
1982                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1983                         helper->mail_op = g_object_ref(self);
1984                         helper->dest_folder = NULL;
1985                         helper->headers = NULL;
1986                         helper->user_callback = NULL;
1987                         helper->user_data = NULL;
1988                 
1989                         /* Rename. Camel handles folder subscription/unsubscription */
1990                         tny_folder_copy_async (folder, into, name, TRUE,
1991                                                transfer_folder_cb,
1992                                                transfer_folder_status_cb,
1993                                                helper);
1994                 } else {
1995                         modest_mail_operation_notify_end (self);
1996                 }
1997                 g_object_unref (into);
1998         }
1999 }
2000
2001 /* ******************************************************************* */
2002 /* **************************  MSG  ACTIONS  ************************* */
2003 /* ******************************************************************* */
2004
2005 void modest_mail_operation_get_msg (ModestMailOperation *self,
2006                                     TnyHeader *header,
2007                                     GetMsgAsyncUserCallback user_callback,
2008                                     gpointer user_data)
2009 {
2010         GetMsgAsyncHelper *helper = NULL;
2011         TnyFolder *folder;
2012         ModestMailOperationPrivate *priv;
2013         
2014         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2015         g_return_if_fail (TNY_IS_HEADER (header));
2016         
2017         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2018         folder = tny_header_get_folder (header);
2019
2020         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2021
2022         /* Get message from folder */
2023         if (folder) {
2024                 /* Get account and set it into mail_operation */
2025                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2026                 
2027                 /* Check for cached messages */
2028                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2029                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2030                 else 
2031                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2032
2033                 helper = g_slice_new0 (GetMsgAsyncHelper);
2034                 helper->mail_op = self;
2035                 helper->user_callback = user_callback;
2036                 helper->user_data = user_data;
2037                 helper->header = g_object_ref (header);
2038
2039                 // The callback's reference so that the mail op is not
2040                 // finalized until the async operation is completed even if
2041                 // the user canceled the request meanwhile.
2042                 g_object_ref (G_OBJECT (helper->mail_op));
2043
2044                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
2045
2046                 g_object_unref (G_OBJECT (folder));
2047         } else {
2048                 /* Set status failed and set an error */
2049                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2050                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2051                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2052                              _("Error trying to get a message. No folder found for header"));
2053
2054                 /* Notify the queue */
2055                 modest_mail_operation_notify_end (self);
2056         }
2057 }
2058
2059 static void
2060 get_msg_cb (TnyFolder *folder, 
2061             gboolean cancelled, 
2062             TnyMsg *msg, 
2063             GError *error, 
2064             gpointer user_data)
2065 {
2066         GetMsgAsyncHelper *helper = NULL;
2067         ModestMailOperation *self = NULL;
2068         ModestMailOperationPrivate *priv = NULL;
2069
2070         helper = (GetMsgAsyncHelper *) user_data;
2071         g_return_if_fail (helper != NULL);       
2072         self = helper->mail_op;
2073         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2074         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2075
2076         /* Check errors and cancel */
2077         if (error) {
2078                 priv->error = g_error_copy (error);
2079                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2080         } else if (cancelled) {
2081                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2082                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2083                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2084                              _("Error trying to refresh the contents of %s"),
2085                              tny_folder_get_name (folder));
2086         } else {
2087                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2088         }
2089
2090         /* If user defined callback function was defined, call it even
2091            if the operation failed*/
2092         if (helper->user_callback) {
2093                 /* This is not a GDK lock because we are a Tinymail callback
2094                  * which is already GDK locked by Tinymail */
2095
2096                 /* no gdk_threads_enter (), CHECKED */
2097                 helper->user_callback (self, helper->header, msg, helper->user_data);
2098                 /* no gdk_threads_leave (), CHECKED */
2099         }
2100
2101         /* Notify about operation end */
2102         modest_mail_operation_notify_end (self);
2103         /* Free */
2104         g_object_unref (helper->mail_op);
2105         g_object_unref (helper->header);
2106         g_slice_free (GetMsgAsyncHelper, helper);
2107                 
2108 }
2109
2110 static void     
2111 get_msg_status_cb (GObject *obj,
2112                    TnyStatus *status,  
2113                    gpointer user_data)
2114 {
2115         GetMsgAsyncHelper *helper = NULL;
2116         ModestMailOperation *self;
2117         ModestMailOperationPrivate *priv;
2118         ModestMailOperationState *state;
2119
2120         g_return_if_fail (status != NULL);
2121         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2122
2123         helper = (GetMsgAsyncHelper *) user_data;
2124         g_return_if_fail (helper != NULL);       
2125
2126         self = helper->mail_op;
2127         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2128
2129         priv->done = 1;
2130         priv->total = 1;
2131
2132         state = modest_mail_operation_clone_state (self);
2133         state->bytes_done = status->position;
2134         state->bytes_total = status->of_total;
2135
2136         /* This is not a GDK lock because we are a Tinymail callback
2137          * which is already GDK locked by Tinymail */
2138
2139         /* no gdk_threads_enter (), CHECKED */
2140         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2141         /* no gdk_threads_leave (), CHECKED */
2142
2143         g_slice_free (ModestMailOperationState, state);
2144 }
2145
2146 /****************************************************/
2147 typedef struct {
2148         ModestMailOperation *mail_op;
2149         TnyList *headers;
2150         GetMsgAsyncUserCallback user_callback;
2151         gpointer user_data;
2152         GDestroyNotify notify;
2153 } GetFullMsgsInfo;
2154
2155 typedef struct {
2156         GetMsgAsyncUserCallback user_callback;
2157         TnyHeader *header;
2158         TnyMsg *msg;
2159         gpointer user_data;
2160         ModestMailOperation *mail_op;
2161 } NotifyGetMsgsInfo;
2162
2163
2164 /* 
2165  * Used by get_msgs_full_thread to call the user_callback for each
2166  * message that has been read
2167  */
2168 static gboolean
2169 notify_get_msgs_full (gpointer data)
2170 {
2171         NotifyGetMsgsInfo *info;
2172
2173         info = (NotifyGetMsgsInfo *) data;      
2174
2175         /* This is a GDK lock because we are an idle callback and
2176          * because info->user_callback can contain Gtk+ code */
2177
2178         gdk_threads_enter (); /* CHECKED */
2179         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2180         gdk_threads_leave (); /* CHECKED */
2181
2182         g_slice_free (NotifyGetMsgsInfo, info);
2183
2184         return FALSE;
2185 }
2186
2187 /* 
2188  * Used by get_msgs_full_thread to free al the thread resources and to
2189  * call the destroy function for the passed user_data
2190  */
2191 static gboolean
2192 get_msgs_full_destroyer (gpointer data)
2193 {
2194         GetFullMsgsInfo *info;
2195
2196         info = (GetFullMsgsInfo *) data;
2197
2198         if (info->notify) {
2199
2200                 /* This is a GDK lock because we are an idle callback and
2201                  * because info->notify can contain Gtk+ code */
2202
2203                 gdk_threads_enter (); /* CHECKED */
2204                 info->notify (info->user_data);
2205                 gdk_threads_leave (); /* CHECKED */
2206         }
2207
2208         /* free */
2209         g_object_unref (info->headers);
2210         g_slice_free (GetFullMsgsInfo, info);
2211
2212         return FALSE;
2213 }
2214
2215 static gpointer
2216 get_msgs_full_thread (gpointer thr_user_data)
2217 {
2218         GetFullMsgsInfo *info;
2219         ModestMailOperationPrivate *priv = NULL;
2220         TnyIterator *iter = NULL;
2221         
2222         info = (GetFullMsgsInfo *) thr_user_data;       
2223         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2224
2225         iter = tny_list_create_iterator (info->headers);
2226         while (!tny_iterator_is_done (iter)) { 
2227                 TnyHeader *header;
2228                 TnyFolder *folder;
2229                 
2230                 header = TNY_HEADER (tny_iterator_get_current (iter));
2231                 folder = tny_header_get_folder (header);
2232                                 
2233                 /* Check for cached messages */
2234                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2235                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2236                 else 
2237                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2238
2239                 /* Get message from folder */
2240                 if (folder) {
2241                         TnyMsg *msg;
2242                         /* The callback will call it per each header */
2243                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2244
2245                         if (msg) {
2246                                 ModestMailOperationState *state;
2247                                 ModestPair *pair;
2248
2249                                 priv->done++;
2250
2251                                 /* notify progress */
2252                                 state = modest_mail_operation_clone_state (info->mail_op);
2253                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2254                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2255                                                  pair, (GDestroyNotify) modest_pair_free);
2256
2257                                 /* The callback is the responsible for
2258                                    freeing the message */
2259                                 if (info->user_callback) {
2260                                         NotifyGetMsgsInfo *info_notify;
2261                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2262                                         info_notify->user_callback = info->user_callback;
2263                                         info_notify->mail_op = info->mail_op;
2264                                         info_notify->header = g_object_ref (header);
2265                                         info_notify->msg = g_object_ref (msg);
2266                                         info_notify->user_data = info->user_data;
2267                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2268                                                          notify_get_msgs_full, 
2269                                                          info_notify, NULL);
2270                                 }
2271                                 g_object_unref (msg);
2272                         } 
2273                 } else {
2274                         /* Set status failed and set an error */
2275                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2276                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2277                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2278                                      "Error trying to get a message. No folder found for header");
2279                 }
2280
2281                 if (header)
2282                         g_object_unref (header);
2283                 
2284                 tny_iterator_next (iter);
2285         }
2286
2287         /* Set operation status */
2288         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2289                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2290
2291         /* Notify about operation end */
2292         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2293
2294         /* Free thread resources. Will be called after all previous idles */
2295         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2296
2297         return NULL;
2298 }
2299
2300 void 
2301 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2302                                      TnyList *header_list, 
2303                                      GetMsgAsyncUserCallback user_callback,
2304                                      gpointer user_data,
2305                                      GDestroyNotify notify)
2306 {
2307         TnyHeader *header = NULL;
2308         TnyFolder *folder = NULL;
2309         GThread *thread;
2310         ModestMailOperationPrivate *priv = NULL;
2311         GetFullMsgsInfo *info = NULL;
2312         gboolean size_ok = TRUE;
2313         gint max_size;
2314         TnyIterator *iter = NULL;
2315         
2316         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2317         
2318         /* Init mail operation */
2319         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2320         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2321         priv->done = 0;
2322         priv->total = tny_list_get_length(header_list);
2323
2324         /* Get account and set it into mail_operation */
2325         if (tny_list_get_length (header_list) >= 1) {
2326                 iter = tny_list_create_iterator (header_list);
2327                 header = TNY_HEADER (tny_iterator_get_current (iter));
2328                 if (header) {
2329                         folder = tny_header_get_folder (header);
2330                         if (folder) {           
2331                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2332
2333                                 g_object_unref (folder);
2334                         }
2335
2336                         g_object_unref (header);
2337                 }
2338
2339                 if (tny_list_get_length (header_list) == 1) {
2340                         g_object_unref (iter);
2341                         iter = NULL;
2342                 }
2343         }
2344
2345         /* Get msg size limit */
2346         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2347                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2348                                          &(priv->error));
2349         if (priv->error) {
2350                 g_clear_error (&(priv->error));
2351                 max_size = G_MAXINT;
2352         } else {
2353                 max_size = max_size * KB;
2354         }
2355
2356         /* Check message size limits. If there is only one message
2357            always retrieve it */
2358         if (iter != NULL) {
2359                 while (!tny_iterator_is_done (iter) && size_ok) {
2360                         header = TNY_HEADER (tny_iterator_get_current (iter));
2361                         if (header) {
2362                                 if (tny_header_get_message_size (header) >= max_size)
2363                                         size_ok = FALSE;
2364                                 g_object_unref (header);
2365                         }
2366
2367                         tny_iterator_next (iter);
2368                 }
2369                 g_object_unref (iter);
2370         }
2371
2372         if (size_ok) {
2373                 /* Create the info */
2374                 info = g_slice_new0 (GetFullMsgsInfo);
2375                 info->mail_op = self;
2376                 info->user_callback = user_callback;
2377                 info->user_data = user_data;
2378                 info->headers = g_object_ref (header_list);
2379                 info->notify = notify;
2380
2381                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2382         } else {
2383                 /* Set status failed and set an error */
2384                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2385                 /* FIXME: the error msg is different for pop */
2386                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2387                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2388                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2389                 /* Remove from queue and free resources */
2390                 modest_mail_operation_notify_end (self);
2391                 if (notify)
2392                         notify (user_data);
2393         }
2394 }
2395
2396
2397 void 
2398 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2399                                   TnyHeader *header,
2400                                   gboolean remove_to_trash /*ignored*/)
2401 {
2402         TnyFolder *folder;
2403         ModestMailOperationPrivate *priv;
2404
2405         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2406         g_return_if_fail (TNY_IS_HEADER (header));
2407
2408         if (remove_to_trash)
2409                 g_warning ("remove to trash is not implemented");
2410
2411         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2412         folder = tny_header_get_folder (header);
2413
2414         /* Get account and set it into mail_operation */
2415         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2416
2417         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2418
2419         /* remove message from folder */
2420         tny_folder_remove_msg (folder, header, &(priv->error));
2421         if (!priv->error) {
2422                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2423                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2424
2425                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2426 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2427                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2428                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2429 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2430                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2431                 else
2432                         /* local folders */
2433 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2434                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2435         }
2436         
2437         
2438         /* Set status */
2439         if (!priv->error)
2440                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2441         else
2442                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2443
2444         /* Free */
2445         g_object_unref (G_OBJECT (folder));
2446
2447         /* Notify about operation end */
2448         modest_mail_operation_notify_end (self);
2449 }
2450
2451 void 
2452 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2453                                    TnyList *headers,
2454                                   gboolean remove_to_trash /*ignored*/)
2455 {
2456         TnyFolder *folder;
2457         ModestMailOperationPrivate *priv;
2458         TnyIterator *iter = NULL;
2459         TnyHeader *header = NULL;
2460
2461         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2462         g_return_if_fail (TNY_IS_LIST (headers));
2463
2464         if (remove_to_trash)
2465                 g_warning ("remove to trash is not implemented");
2466
2467         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2468
2469         /* Get folder from first header and sync it */
2470         iter = tny_list_create_iterator (headers);
2471         header = TNY_HEADER (tny_iterator_get_current (iter));
2472         folder = tny_header_get_folder (header);
2473         
2474         /* Get account and set it into mail_operation */
2475         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2476
2477         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2478
2479         /* remove message from folder */
2480         tny_folder_remove_msgs (folder, headers, &(priv->error));
2481         if (!priv->error) {
2482                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder) || 
2483                     TNY_IS_CAMEL_POP_FOLDER (folder))
2484                         tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /* FALSE --> don't expunge */ 
2485                 else
2486                         /* local folders */
2487                         tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /* TRUE --> expunge */
2488         }
2489         
2490         
2491         /* Set status */
2492         if (!priv->error)
2493                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2494         else
2495                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2496
2497         /* Free */
2498         g_object_unref (header);
2499         g_object_unref (iter);
2500         g_object_unref (G_OBJECT (folder));
2501
2502         /* Notify about operation end */
2503         modest_mail_operation_notify_end (self);
2504 }
2505
2506
2507 static void
2508 transfer_msgs_status_cb (GObject *obj,
2509                          TnyStatus *status,  
2510                          gpointer user_data)
2511 {
2512         XFerMsgAsyncHelper *helper = NULL;
2513         ModestMailOperation *self;
2514         ModestMailOperationPrivate *priv;
2515         ModestMailOperationState *state;
2516
2517
2518         g_return_if_fail (status != NULL);
2519         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2520
2521         helper = (XFerMsgAsyncHelper *) user_data;
2522         g_return_if_fail (helper != NULL);       
2523
2524         self = helper->mail_op;
2525         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2526
2527         priv->done = status->position;
2528         priv->total = status->of_total;
2529
2530         state = modest_mail_operation_clone_state (self);
2531
2532         /* This is not a GDK lock because we are a Tinymail callback and
2533          * Tinymail already acquires the Gdk lock */
2534
2535         /* no gdk_threads_enter (), CHECKED */
2536
2537         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2538
2539         /* no gdk_threads_leave (), CHECKED */
2540
2541         g_slice_free (ModestMailOperationState, state);
2542 }
2543
2544
2545 static void
2546 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2547 {
2548         XFerMsgAsyncHelper *helper;
2549         ModestMailOperation *self;
2550         ModestMailOperationPrivate *priv;
2551         TnyIterator *iter = NULL;
2552         TnyHeader *header = NULL;
2553
2554         helper = (XFerMsgAsyncHelper *) user_data;
2555         self = helper->mail_op;
2556
2557         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2558
2559         if (err) {
2560                 priv->error = g_error_copy (err);
2561                 priv->done = 0;
2562                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2563         } else if (cancelled) {
2564                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2565                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2566                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2567                              _("Error trying to refresh the contents of %s"),
2568                              tny_folder_get_name (folder));
2569         } else {
2570                 priv->done = 1;
2571                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2572
2573                 /* Update folder counts */
2574                 tny_folder_poke_status (folder);                
2575                 tny_folder_poke_status (helper->dest_folder);           
2576         }
2577
2578         
2579         /* Mark headers as deleted and seen */
2580         if ((helper->delete) && 
2581             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2582                 iter = tny_list_create_iterator (helper->headers);
2583                 while (!tny_iterator_is_done (iter)) {
2584                         header = TNY_HEADER (tny_iterator_get_current (iter));
2585                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2586                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2587                         g_object_unref (header);
2588
2589                         tny_iterator_next (iter);
2590                 }
2591
2592         }
2593                 
2594
2595         /* Notify about operation end */
2596         modest_mail_operation_notify_end (self);
2597
2598         /* If user defined callback function was defined, call it */
2599         if (helper->user_callback) {
2600                 /* This is not a GDK lock because we are a Tinymail callback and
2601                  * Tinymail already acquires the Gdk lock */
2602
2603                 /* no gdk_threads_enter (), CHECKED */
2604                 helper->user_callback (priv->source, helper->user_data);
2605                 /* no gdk_threads_leave (), CHECKED */
2606         }
2607
2608         /* Free */
2609         if (helper->headers)
2610                 g_object_unref (helper->headers);
2611         if (helper->dest_folder)
2612                 g_object_unref (helper->dest_folder);
2613         if (helper->mail_op)
2614                 g_object_unref (helper->mail_op);
2615         if (folder)
2616                 g_object_unref (folder);
2617         if (iter)
2618                 g_object_unref (iter);
2619         g_slice_free   (XFerMsgAsyncHelper, helper);
2620
2621 }
2622
2623 void
2624 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2625                                  TnyList *headers, 
2626                                  TnyFolder *folder, 
2627                                  gboolean delete_original,
2628                                  XferMsgsAsynUserCallback user_callback,
2629                                  gpointer user_data)
2630 {
2631         ModestMailOperationPrivate *priv = NULL;
2632         TnyIterator *iter = NULL;
2633         TnyFolder *src_folder = NULL;
2634         XFerMsgAsyncHelper *helper = NULL;
2635         TnyHeader *header = NULL;
2636         ModestTnyFolderRules rules = 0;
2637         const gchar *id1 = NULL;
2638         const gchar *id2 = NULL;
2639         gboolean same_folder = FALSE;
2640
2641         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2642         g_return_if_fail (TNY_IS_LIST (headers));
2643         g_return_if_fail (TNY_IS_FOLDER (folder));
2644
2645         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2646         priv->total = 1;
2647         priv->done = 0;
2648         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2649
2650         /* Apply folder rules */
2651         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2652         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2653                 /* Set status failed and set an error */
2654                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2655                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2656                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2657                              _CS("ckct_ib_unable_to_paste_here"));
2658                 /* Notify the queue */
2659                 modest_mail_operation_notify_end (self);
2660                 return;
2661         }
2662                 
2663         /* Get source folder */
2664         iter = tny_list_create_iterator (headers);
2665         header = TNY_HEADER (tny_iterator_get_current (iter));
2666         if (header) {
2667                 src_folder = tny_header_get_folder (header);
2668                 g_object_unref (header);
2669         }
2670
2671         g_object_unref (iter);
2672
2673         /* Check folder source and destination */
2674         id1 = tny_folder_get_id (src_folder);
2675         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2676         same_folder = !g_ascii_strcasecmp (id1, id2);
2677         if (same_folder) {
2678                 /* Set status failed and set an error */
2679                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2680                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2681                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2682                              _("mcen_ib_unable_to_copy_samefolder"));
2683                 
2684                 /* Notify the queue */
2685                 modest_mail_operation_notify_end (self);
2686                 
2687                 /* Free */
2688                 g_object_unref (src_folder);            
2689                 return;
2690         }
2691
2692         /* Create the helper */
2693         helper = g_slice_new0 (XFerMsgAsyncHelper);
2694         helper->mail_op = g_object_ref(self);
2695         helper->dest_folder = g_object_ref(folder);
2696         helper->headers = g_object_ref(headers);
2697         helper->user_callback = user_callback;
2698         helper->user_data = user_data;
2699         helper->delete = delete_original;
2700
2701         /* Get account and set it into mail_operation */
2702         priv->account = modest_tny_folder_get_account (src_folder);
2703
2704         /* Transfer messages */
2705         tny_folder_transfer_msgs_async (src_folder, 
2706                                         headers, 
2707                                         folder, 
2708                                         delete_original, 
2709                                         transfer_msgs_cb, 
2710                                         transfer_msgs_status_cb,
2711                                         helper);
2712 }
2713
2714
2715 static void
2716 on_refresh_folder (TnyFolder   *folder, 
2717                    gboolean     cancelled, 
2718                    GError     *error,
2719                    gpointer     user_data)
2720 {
2721         RefreshAsyncHelper *helper = NULL;
2722         ModestMailOperation *self = NULL;
2723         ModestMailOperationPrivate *priv = NULL;
2724
2725         helper = (RefreshAsyncHelper *) user_data;
2726         self = helper->mail_op;
2727         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2728
2729         g_return_if_fail(priv!=NULL);
2730
2731         if (error) {
2732                 priv->error = g_error_copy (error);
2733                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2734                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2735                        error->message);
2736                 goto out;
2737         }
2738
2739         if (cancelled) {
2740                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2741                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2742                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2743                              _("Error trying to refresh the contents of %s"),
2744                              tny_folder_get_name (folder));
2745                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2746                 goto out;
2747         }
2748
2749         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2750
2751         /* Call user defined callback, if it exists */
2752         if (helper->user_callback) {
2753
2754                 /* This is not a GDK lock because we are a Tinymail callback and
2755                  * Tinymail already acquires the Gdk lock */
2756                 helper->user_callback (self, folder, helper->user_data);
2757         }
2758
2759  out:
2760         /* Free */
2761         g_slice_free   (RefreshAsyncHelper, helper);
2762
2763         /* Notify about operation end */
2764         modest_mail_operation_notify_end (self);
2765         g_object_unref(self);
2766 }
2767
2768 static void
2769 on_refresh_folder_status_update (GObject *obj,
2770                                  TnyStatus *status,
2771                                  gpointer user_data)
2772 {
2773         RefreshAsyncHelper *helper = NULL;
2774         ModestMailOperation *self = NULL;
2775         ModestMailOperationPrivate *priv = NULL;
2776         ModestMailOperationState *state;
2777
2778         g_return_if_fail (user_data != NULL);
2779         g_return_if_fail (status != NULL);
2780         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2781
2782         helper = (RefreshAsyncHelper *) user_data;
2783         self = helper->mail_op;
2784         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2785
2786         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2787
2788         priv->done = status->position;
2789         priv->total = status->of_total;
2790
2791         state = modest_mail_operation_clone_state (self);
2792
2793         /* This is not a GDK lock because we are a Tinymail callback and
2794          * Tinymail already acquires the Gdk lock */
2795         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2796
2797         g_slice_free (ModestMailOperationState, state);
2798 }
2799
2800 void 
2801 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2802                                        TnyFolder *folder,
2803                                        RefreshAsyncUserCallback user_callback,
2804                                        gpointer user_data)
2805 {
2806         ModestMailOperationPrivate *priv = NULL;
2807         RefreshAsyncHelper *helper = NULL;
2808
2809         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2810
2811         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2812
2813         /* Get account and set it into mail_operation */
2814         priv->account = modest_tny_folder_get_account  (folder);
2815
2816         /* Create the helper */
2817         helper = g_slice_new0 (RefreshAsyncHelper);
2818         helper->mail_op = g_object_ref(self);
2819         helper->user_callback = user_callback;
2820         helper->user_data = user_data;
2821
2822         /* Refresh the folder. TODO: tinymail could issue a status
2823            updates before the callback call then this could happen. We
2824            must review the design */
2825         tny_folder_refresh_async (folder,
2826                                   on_refresh_folder,
2827                                   on_refresh_folder_status_update,
2828                                   helper);
2829 }
2830
2831 /**
2832  *
2833  * It's used by the mail operation queue to notify the observers
2834  * attached to that signal that the operation finished. We need to use
2835  * that because tinymail does not give us the progress of a given
2836  * operation when it finishes (it directly calls the operation
2837  * callback).
2838  */
2839 static void
2840 modest_mail_operation_notify_end (ModestMailOperation *self)
2841 {
2842         ModestMailOperationState *state;
2843         ModestMailOperationPrivate *priv = NULL;
2844
2845         g_return_if_fail (self);
2846
2847         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2848
2849         /* Set the account back to not busy */
2850         if (priv->account_name) {
2851                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2852                                                      priv->account_name, FALSE);
2853                 g_free(priv->account_name);
2854                 priv->account_name = NULL;
2855         }
2856         
2857         /* Notify the observers about the mail operation end */
2858         /* We do not wrapp this emission because we assume that this
2859            function is always called from within the main lock */
2860         state = modest_mail_operation_clone_state (self);
2861         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2862         g_slice_free (ModestMailOperationState, state);
2863 }