5b38f54caccaad69e9d6ca429124d78b7d9f55be
[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         g_object_unref (all_folders);
1437         g_object_unref (info->account);
1438         g_object_unref (info->transport_account);
1439         g_free (info->retrieve_type);
1440         g_slice_free (UpdateAccountInfo, info);
1441
1442         first_time = FALSE;
1443
1444         return NULL;
1445 }
1446
1447 gboolean
1448 modest_mail_operation_update_account (ModestMailOperation *self,
1449                                       const gchar *account_name,
1450                                       UpdateAccountCallback callback,
1451                                       gpointer user_data)
1452 {
1453         GThread *thread = NULL;
1454         UpdateAccountInfo *info = NULL;
1455         ModestMailOperationPrivate *priv = NULL;
1456         ModestAccountMgr *mgr = NULL;
1457         TnyStoreAccount *store_account = NULL;
1458         TnyTransportAccount *transport_account = NULL;
1459
1460         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1461         g_return_val_if_fail (account_name, FALSE);
1462
1463         /* Init mail operation. Set total and done to 0, and do not
1464            update them, this way the progress objects will know that
1465            we have no clue about the number of the objects */
1466         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1467         priv->total = 0;
1468         priv->done  = 0;
1469         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1470
1471         /* Get the store account */
1472         store_account = (TnyStoreAccount *)
1473                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1474                                                                      account_name,
1475                                                                      TNY_ACCOUNT_TYPE_STORE);
1476                                                                      
1477         if (!store_account) {
1478                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1479                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1480                              "cannot get tny store account for %s\n", account_name);
1481                 goto error;
1482         }
1483
1484         
1485         /* Get the transport account, we can not do it in the thread
1486            due to some problems with dbus */
1487         transport_account = (TnyTransportAccount *)
1488                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1489                                                                                     account_name);
1490         if (!transport_account) {
1491                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1492                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1493                              "cannot get tny transport account for %s\n", account_name);
1494                 goto error;
1495         }
1496
1497         /* Create the helper object */
1498         info = g_slice_new (UpdateAccountInfo);
1499         info->mail_op = self;
1500         info->account = store_account;
1501         info->transport_account = transport_account;
1502         info->callback = callback;
1503         info->user_data = user_data;
1504
1505         /* Get the message size limit */
1506         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1507                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1508         if (info->max_size == 0)
1509                 info->max_size = G_MAXINT;
1510         else
1511                 info->max_size = info->max_size * KB;
1512
1513         /* Get per-account retrieval type */
1514         mgr = modest_runtime_get_account_mgr ();
1515         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1516                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1517
1518         /* Get per-account message amount retrieval limit */
1519         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1520                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1521         if (info->retrieve_limit == 0)
1522                 info->retrieve_limit = G_MAXINT;
1523                 
1524         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1525
1526         /* Set account busy */
1527         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1528         priv->account_name = g_strdup(account_name);
1529         
1530         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1531
1532         return TRUE;
1533
1534  error:
1535         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1536         if (callback) 
1537                 callback (self, 0, user_data);
1538         modest_mail_operation_notify_end (self);
1539         return FALSE;
1540 }
1541
1542 /* ******************************************************************* */
1543 /* ************************** STORE  ACTIONS ************************* */
1544 /* ******************************************************************* */
1545
1546
1547 TnyFolder *
1548 modest_mail_operation_create_folder (ModestMailOperation *self,
1549                                      TnyFolderStore *parent,
1550                                      const gchar *name)
1551 {
1552         ModestMailOperationPrivate *priv;
1553         TnyFolder *new_folder = NULL;
1554
1555         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1556         g_return_val_if_fail (name, NULL);
1557         
1558         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1559
1560         /* Check for already existing folder */
1561         if (modest_tny_folder_has_subfolder_with_name (parent, name)) {
1562                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1563                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1564                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1565                              _CS("ckdg_ib_folder_already_exists"));
1566         }
1567
1568         /* Check parent */
1569         if (TNY_IS_FOLDER (parent)) {
1570                 /* Check folder rules */
1571                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1572                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1573                         /* Set status failed and set an error */
1574                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1575                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1576                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1577                                      _("mail_in_ui_folder_create_error"));
1578                 }
1579         }
1580
1581         if (!strcmp (name, " ") || strchr (name, '/')) {
1582                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1583                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1584                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1585                              _("mail_in_ui_folder_create_error"));
1586         }
1587
1588         if (!priv->error) {
1589                 /* Create the folder */
1590                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1591                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1592                 if (!priv->error)
1593                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1594         }
1595
1596         /* Notify about operation end */
1597         modest_mail_operation_notify_end (self);
1598
1599         return new_folder;
1600 }
1601
1602 void
1603 modest_mail_operation_remove_folder (ModestMailOperation *self,
1604                                      TnyFolder           *folder,
1605                                      gboolean             remove_to_trash)
1606 {
1607         TnyAccount *account;
1608         ModestMailOperationPrivate *priv;
1609         ModestTnyFolderRules rules;
1610
1611         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1612         g_return_if_fail (TNY_IS_FOLDER (folder));
1613         
1614         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1615         
1616         /* Check folder rules */
1617         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1618         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1619                 /* Set status failed and set an error */
1620                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1621                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1622                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1623                              _("mail_in_ui_folder_delete_error"));
1624                 goto end;
1625         }
1626
1627         /* Get the account */
1628         account = modest_tny_folder_get_account (folder);
1629         priv->account = g_object_ref(account);
1630
1631         /* Delete folder or move to trash */
1632         if (remove_to_trash) {
1633                 TnyFolder *trash_folder = NULL;
1634                 trash_folder = modest_tny_account_get_special_folder (account,
1635                                                                       TNY_FOLDER_TYPE_TRASH);
1636                 /* TODO: error_handling */
1637                 if (trash_folder) {
1638                         modest_mail_operation_xfer_folder (self, folder,
1639                                                     TNY_FOLDER_STORE (trash_folder), 
1640                                                     TRUE, NULL, NULL);
1641                         g_object_unref (trash_folder);
1642                 }
1643         } else {
1644                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1645
1646                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1647                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1648
1649                 if (!priv->error)
1650                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1651
1652                 if (parent)
1653                         g_object_unref (G_OBJECT (parent));
1654         }
1655         g_object_unref (G_OBJECT (account));
1656
1657  end:
1658         /* Notify about operation end */
1659         modest_mail_operation_notify_end (self);
1660 }
1661
1662 static void
1663 transfer_folder_status_cb (GObject *obj,
1664                            TnyStatus *status,
1665                            gpointer user_data)
1666 {
1667         ModestMailOperation *self;
1668         ModestMailOperationPrivate *priv;
1669         ModestMailOperationState *state;
1670         XFerMsgAsyncHelper *helper;
1671
1672         g_return_if_fail (status != NULL);
1673         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1674
1675         helper = (XFerMsgAsyncHelper *) user_data;
1676         g_return_if_fail (helper != NULL);
1677
1678         self = helper->mail_op;
1679         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1680
1681         priv->done = status->position;
1682         priv->total = status->of_total;
1683
1684         state = modest_mail_operation_clone_state (self);
1685
1686         /* This is not a GDK lock because we are a Tinymail callback
1687          * which is already GDK locked by Tinymail */
1688
1689         /* no gdk_threads_enter (), CHECKED */
1690
1691         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1692
1693         /* no gdk_threads_leave (), CHECKED */
1694
1695         g_slice_free (ModestMailOperationState, state);
1696 }
1697
1698
1699 static void
1700 transfer_folder_cb (TnyFolder *folder, 
1701                     gboolean cancelled, 
1702                     TnyFolderStore *into, 
1703                     TnyFolder *new_folder, 
1704                     GError *err, 
1705                     gpointer user_data)
1706 {
1707         XFerMsgAsyncHelper *helper;
1708         ModestMailOperation *self = NULL;
1709         ModestMailOperationPrivate *priv = NULL;
1710
1711         helper = (XFerMsgAsyncHelper *) user_data;
1712         g_return_if_fail (helper != NULL);       
1713
1714         self = helper->mail_op;
1715         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1716
1717         if (err) {
1718                 priv->error = g_error_copy (err);
1719                 priv->done = 0;
1720                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1721         } else if (cancelled) {
1722                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1723                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1724                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1725                              _("Transference of %s was cancelled."),
1726                              tny_folder_get_name (folder));
1727         } else {
1728                 priv->done = 1;
1729                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1730         }
1731                 
1732         /* Notify about operation end */
1733         modest_mail_operation_notify_end (self);
1734
1735         /* If user defined callback function was defined, call it */
1736         if (helper->user_callback) {
1737
1738                 /* This is not a GDK lock because we are a Tinymail callback
1739                  * which is already GDK locked by Tinymail */
1740
1741                 /* no gdk_threads_enter (), CHECKED */
1742                 helper->user_callback (priv->source, helper->user_data);
1743                 /* no gdk_threads_leave () , CHECKED */
1744         }
1745
1746         /* Free */
1747         g_object_unref (helper->mail_op);
1748         g_slice_free   (XFerMsgAsyncHelper, helper);
1749 }
1750
1751 /**
1752  *
1753  * This function checks if the new name is a valid name for our local
1754  * folders account. The new name could not be the same than then name
1755  * of any of the mandatory local folders
1756  *
1757  * We can not rely on tinymail because tinymail does not check the
1758  * name of the virtual folders that the account could have in the case
1759  * that we're doing a rename (because it directly calls Camel which
1760  * knows nothing about our virtual folders). 
1761  *
1762  * In the case of an actual copy/move (i.e. move/copy a folder between
1763  * accounts) tinymail uses the tny_folder_store_create_account which
1764  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1765  * checks the new name of the folder, so this call in that case
1766  * wouldn't be needed. *But* NOTE that if tinymail changes its
1767  * implementation (if folder transfers within the same account is no
1768  * longer implemented as a rename) this call will allow Modest to work
1769  * perfectly
1770  *
1771  * If the new name is not valid, this function will set the status to
1772  * failed and will set also an error in the mail operation
1773  */
1774 static gboolean
1775 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1776                                  TnyFolderStore *into,
1777                                  const gchar *new_name)
1778 {
1779         if (TNY_IS_ACCOUNT (into) && 
1780             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1781             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1782                                                                  new_name)) {
1783                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1784                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1785                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1786                              _("ckdg_ib_folder_already_exists"));
1787                 return FALSE;
1788         } else
1789                 return TRUE;
1790 }
1791
1792 /**
1793  * This function checks if @ancestor is an acestor of @folder and
1794  * returns TRUE in that case
1795  */
1796 static gboolean
1797 folder_is_ancestor (TnyFolder *folder,
1798                     TnyFolderStore *ancestor)
1799 {
1800         TnyFolder *tmp = NULL;
1801         gboolean found = FALSE;
1802
1803         tmp = folder;
1804         while (!found && tmp && !TNY_IS_ACCOUNT (tmp)) {
1805                 TnyFolderStore *folder_store;
1806
1807                 folder_store = tny_folder_get_folder_store (tmp);
1808                 if (ancestor == folder_store)
1809                         found = TRUE;
1810                 else
1811                         tmp = g_object_ref (folder_store);
1812                 g_object_unref (folder_store);
1813         }
1814         return found;
1815 }
1816
1817 void
1818 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1819                                    TnyFolder *folder,
1820                                    TnyFolderStore *parent,
1821                                    gboolean delete_original,
1822                                    XferMsgsAsynUserCallback user_callback,
1823                                    gpointer user_data)
1824 {
1825         ModestMailOperationPrivate *priv = NULL;
1826         ModestTnyFolderRules parent_rules = 0, rules; 
1827         XFerMsgAsyncHelper *helper = NULL;
1828         const gchar *folder_name = NULL;
1829         const gchar *error_msg;
1830
1831         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1832         g_return_if_fail (TNY_IS_FOLDER (folder));
1833         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1834
1835         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1836         folder_name = tny_folder_get_name (folder);
1837
1838         /* Set the error msg */
1839         error_msg = _("mail_in_ui_folder_move_target_error");
1840
1841         /* Get account and set it into mail_operation */
1842         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1843         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1844
1845         /* Get folder rules */
1846         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1847         if (TNY_IS_FOLDER (parent))
1848                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1849         
1850         /* The moveable restriction is applied also to copy operation */
1851         if ((gpointer) parent == (gpointer) folder ||
1852             (!TNY_IS_FOLDER_STORE (parent)) || 
1853             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1854
1855                 /* Set status failed and set an error */
1856                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1857                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1858                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1859                              error_msg);
1860
1861                 /* Notify the queue */
1862                 modest_mail_operation_notify_end (self);
1863
1864         } else if (TNY_IS_FOLDER (parent) && 
1865                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1866
1867                 /* Set status failed and set an error */
1868                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1869                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1870                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1871                              error_msg);
1872
1873                 /* Notify the queue */
1874                 modest_mail_operation_notify_end (self);
1875
1876         } else if (TNY_IS_FOLDER (parent) &&
1877                    TNY_IS_FOLDER_STORE (folder) &&
1878                    folder_is_ancestor (TNY_FOLDER (parent), TNY_FOLDER_STORE (folder))) {
1879                 /* Set status failed and set an error */
1880                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1881                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1882                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1883                              error_msg);
1884
1885                 /* Notify the queue */
1886                 modest_mail_operation_notify_end (self);
1887
1888         } else if (TNY_IS_FOLDER_STORE (parent) &&
1889                    modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
1890                 /* Check that the new folder name is not used by any
1891                     parent subfolder */
1892
1893                 /* Set status failed and set an error */
1894                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1895                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1896                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1897                              error_msg);
1898
1899                 /* Notify the queue */
1900                 modest_mail_operation_notify_end (self);
1901                 
1902         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1903                 /* Check that the new folder name is not used by any
1904                    special local folder */
1905
1906                 /* Set status failed and set an error */
1907                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1908                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1909                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1910                              error_msg);
1911
1912                 /* Notify the queue */
1913                 modest_mail_operation_notify_end (self);
1914         } else {
1915                 /* Create the helper */
1916                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1917                 helper->mail_op = g_object_ref(self);
1918                 helper->dest_folder = NULL;
1919                 helper->headers = NULL;
1920                 helper->user_callback = user_callback;
1921                 helper->user_data = user_data;
1922                 
1923                 /* Move/Copy folder */          
1924                 tny_folder_copy_async (folder,
1925                                        parent,
1926                                        tny_folder_get_name (folder),
1927                                        delete_original,
1928                                        transfer_folder_cb,
1929                                        transfer_folder_status_cb,
1930                                        helper);         
1931         } 
1932         
1933 }
1934
1935 void
1936 modest_mail_operation_rename_folder (ModestMailOperation *self,
1937                                      TnyFolder *folder,
1938                                      const gchar *name)
1939 {
1940         ModestMailOperationPrivate *priv;
1941         ModestTnyFolderRules rules;
1942         XFerMsgAsyncHelper *helper;
1943
1944         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1945         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1946         g_return_if_fail (name);
1947         
1948         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1949
1950         /* Get account and set it into mail_operation */
1951         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1952
1953         /* Check folder rules */
1954         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1955         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1956                 /* Set status failed and set an error */
1957                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1958                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1959                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1960                              _("FIXME: unable to rename"));
1961
1962                 /* Notify about operation end */
1963                 modest_mail_operation_notify_end (self);
1964         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1965                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1966                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1967                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1968                              _("FIXME: unable to rename"));
1969                 /* Notify about operation end */
1970                 modest_mail_operation_notify_end (self);
1971         } else {
1972                 TnyFolderStore *into;
1973
1974                 into = tny_folder_get_folder_store (folder);    
1975
1976                 /* Check that the new folder name is not used by any
1977                    special local folder */
1978                 if (new_name_valid_if_local_account (priv, into, name)) {
1979                         /* Create the helper */
1980                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1981                         helper->mail_op = g_object_ref(self);
1982                         helper->dest_folder = NULL;
1983                         helper->headers = NULL;
1984                         helper->user_callback = NULL;
1985                         helper->user_data = NULL;
1986                 
1987                         /* Rename. Camel handles folder subscription/unsubscription */
1988                         tny_folder_copy_async (folder, into, name, TRUE,
1989                                                transfer_folder_cb,
1990                                                transfer_folder_status_cb,
1991                                                helper);
1992                 } else {
1993                         modest_mail_operation_notify_end (self);
1994                 }
1995                 g_object_unref (into);
1996         }
1997 }
1998
1999 /* ******************************************************************* */
2000 /* **************************  MSG  ACTIONS  ************************* */
2001 /* ******************************************************************* */
2002
2003 void modest_mail_operation_get_msg (ModestMailOperation *self,
2004                                     TnyHeader *header,
2005                                     GetMsgAsyncUserCallback user_callback,
2006                                     gpointer user_data)
2007 {
2008         GetMsgAsyncHelper *helper = NULL;
2009         TnyFolder *folder;
2010         ModestMailOperationPrivate *priv;
2011         
2012         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2013         g_return_if_fail (TNY_IS_HEADER (header));
2014         
2015         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2016         folder = tny_header_get_folder (header);
2017
2018         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2019
2020         /* Get message from folder */
2021         if (folder) {
2022                 /* Get account and set it into mail_operation */
2023                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2024                 
2025                 /* Check for cached messages */
2026                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2027                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2028                 else 
2029                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2030
2031                 helper = g_slice_new0 (GetMsgAsyncHelper);
2032                 helper->mail_op = self;
2033                 helper->user_callback = user_callback;
2034                 helper->user_data = user_data;
2035                 helper->header = g_object_ref (header);
2036
2037                 // The callback's reference so that the mail op is not
2038                 // finalized until the async operation is completed even if
2039                 // the user canceled the request meanwhile.
2040                 g_object_ref (G_OBJECT (helper->mail_op));
2041
2042                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
2043
2044                 g_object_unref (G_OBJECT (folder));
2045         } else {
2046                 /* Set status failed and set an error */
2047                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2048                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2049                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2050                              _("Error trying to get a message. No folder found for header"));
2051
2052                 /* Notify the queue */
2053                 modest_mail_operation_notify_end (self);
2054         }
2055 }
2056
2057 static void
2058 get_msg_cb (TnyFolder *folder, 
2059             gboolean cancelled, 
2060             TnyMsg *msg, 
2061             GError *error, 
2062             gpointer user_data)
2063 {
2064         GetMsgAsyncHelper *helper = NULL;
2065         ModestMailOperation *self = NULL;
2066         ModestMailOperationPrivate *priv = NULL;
2067
2068         helper = (GetMsgAsyncHelper *) user_data;
2069         g_return_if_fail (helper != NULL);       
2070         self = helper->mail_op;
2071         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2072         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2073
2074         /* Check errors and cancel */
2075         if (error) {
2076                 priv->error = g_error_copy (error);
2077                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2078         } else if (cancelled) {
2079                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2080                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2081                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2082                              _("Error trying to refresh the contents of %s"),
2083                              tny_folder_get_name (folder));
2084         } else {
2085                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2086         }
2087
2088         /* If user defined callback function was defined, call it even
2089            if the operation failed*/
2090         if (helper->user_callback) {
2091                 /* This is not a GDK lock because we are a Tinymail callback
2092                  * which is already GDK locked by Tinymail */
2093
2094                 /* no gdk_threads_enter (), CHECKED */
2095                 helper->user_callback (self, helper->header, msg, helper->user_data);
2096                 /* no gdk_threads_leave (), CHECKED */
2097         }
2098
2099         /* Notify about operation end */
2100         modest_mail_operation_notify_end (self);
2101         /* Free */
2102         g_object_unref (helper->mail_op);
2103         g_object_unref (helper->header);
2104         g_slice_free (GetMsgAsyncHelper, helper);
2105                 
2106 }
2107
2108 static void     
2109 get_msg_status_cb (GObject *obj,
2110                    TnyStatus *status,  
2111                    gpointer user_data)
2112 {
2113         GetMsgAsyncHelper *helper = NULL;
2114         ModestMailOperation *self;
2115         ModestMailOperationPrivate *priv;
2116         ModestMailOperationState *state;
2117
2118         g_return_if_fail (status != NULL);
2119         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2120
2121         helper = (GetMsgAsyncHelper *) user_data;
2122         g_return_if_fail (helper != NULL);       
2123
2124         self = helper->mail_op;
2125         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2126
2127         priv->done = 1;
2128         priv->total = 1;
2129
2130         state = modest_mail_operation_clone_state (self);
2131         state->bytes_done = status->position;
2132         state->bytes_total = status->of_total;
2133
2134         /* This is not a GDK lock because we are a Tinymail callback
2135          * which is already GDK locked by Tinymail */
2136
2137         /* no gdk_threads_enter (), CHECKED */
2138         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2139         /* no gdk_threads_leave (), CHECKED */
2140
2141         g_slice_free (ModestMailOperationState, state);
2142 }
2143
2144 /****************************************************/
2145 typedef struct {
2146         ModestMailOperation *mail_op;
2147         TnyList *headers;
2148         GetMsgAsyncUserCallback user_callback;
2149         gpointer user_data;
2150         GDestroyNotify notify;
2151 } GetFullMsgsInfo;
2152
2153 typedef struct {
2154         GetMsgAsyncUserCallback user_callback;
2155         TnyHeader *header;
2156         TnyMsg *msg;
2157         gpointer user_data;
2158         ModestMailOperation *mail_op;
2159 } NotifyGetMsgsInfo;
2160
2161
2162 /* 
2163  * Used by get_msgs_full_thread to call the user_callback for each
2164  * message that has been read
2165  */
2166 static gboolean
2167 notify_get_msgs_full (gpointer data)
2168 {
2169         NotifyGetMsgsInfo *info;
2170
2171         info = (NotifyGetMsgsInfo *) data;      
2172
2173         /* This is a GDK lock because we are an idle callback and
2174          * because info->user_callback can contain Gtk+ code */
2175
2176         gdk_threads_enter (); /* CHECKED */
2177         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2178         gdk_threads_leave (); /* CHECKED */
2179
2180         g_slice_free (NotifyGetMsgsInfo, info);
2181
2182         return FALSE;
2183 }
2184
2185 /* 
2186  * Used by get_msgs_full_thread to free al the thread resources and to
2187  * call the destroy function for the passed user_data
2188  */
2189 static gboolean
2190 get_msgs_full_destroyer (gpointer data)
2191 {
2192         GetFullMsgsInfo *info;
2193
2194         info = (GetFullMsgsInfo *) data;
2195
2196         if (info->notify) {
2197
2198                 /* This is a GDK lock because we are an idle callback and
2199                  * because info->notify can contain Gtk+ code */
2200
2201                 gdk_threads_enter (); /* CHECKED */
2202                 info->notify (info->user_data);
2203                 gdk_threads_leave (); /* CHECKED */
2204         }
2205
2206         /* free */
2207         g_object_unref (info->headers);
2208         g_slice_free (GetFullMsgsInfo, info);
2209
2210         return FALSE;
2211 }
2212
2213 static gpointer
2214 get_msgs_full_thread (gpointer thr_user_data)
2215 {
2216         GetFullMsgsInfo *info;
2217         ModestMailOperationPrivate *priv = NULL;
2218         TnyIterator *iter = NULL;
2219         
2220         info = (GetFullMsgsInfo *) thr_user_data;       
2221         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2222
2223         iter = tny_list_create_iterator (info->headers);
2224         while (!tny_iterator_is_done (iter)) { 
2225                 TnyHeader *header;
2226                 TnyFolder *folder;
2227                 
2228                 header = TNY_HEADER (tny_iterator_get_current (iter));
2229                 folder = tny_header_get_folder (header);
2230                                 
2231                 /* Check for cached messages */
2232                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2233                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2234                 else 
2235                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2236
2237                 /* Get message from folder */
2238                 if (folder) {
2239                         TnyMsg *msg;
2240                         /* The callback will call it per each header */
2241                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2242
2243                         if (msg) {
2244                                 ModestMailOperationState *state;
2245                                 ModestPair *pair;
2246
2247                                 priv->done++;
2248
2249                                 /* notify progress */
2250                                 state = modest_mail_operation_clone_state (info->mail_op);
2251                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2252                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2253                                                  pair, (GDestroyNotify) modest_pair_free);
2254
2255                                 /* The callback is the responsible for
2256                                    freeing the message */
2257                                 if (info->user_callback) {
2258                                         NotifyGetMsgsInfo *info_notify;
2259                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2260                                         info_notify->user_callback = info->user_callback;
2261                                         info_notify->mail_op = info->mail_op;
2262                                         info_notify->header = g_object_ref (header);
2263                                         info_notify->msg = g_object_ref (msg);
2264                                         info_notify->user_data = info->user_data;
2265                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2266                                                          notify_get_msgs_full, 
2267                                                          info_notify, NULL);
2268                                 }
2269                                 g_object_unref (msg);
2270                         } 
2271                 } else {
2272                         /* Set status failed and set an error */
2273                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2274                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2275                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2276                                      "Error trying to get a message. No folder found for header");
2277                 }
2278
2279                 if (header)
2280                         g_object_unref (header);
2281                 
2282                 tny_iterator_next (iter);
2283         }
2284
2285         /* Set operation status */
2286         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2287                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2288
2289         /* Notify about operation end */
2290         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2291
2292         /* Free thread resources. Will be called after all previous idles */
2293         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2294
2295         return NULL;
2296 }
2297
2298 void 
2299 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2300                                      TnyList *header_list, 
2301                                      GetMsgAsyncUserCallback user_callback,
2302                                      gpointer user_data,
2303                                      GDestroyNotify notify)
2304 {
2305         TnyHeader *header = NULL;
2306         TnyFolder *folder = NULL;
2307         GThread *thread;
2308         ModestMailOperationPrivate *priv = NULL;
2309         GetFullMsgsInfo *info = NULL;
2310         gboolean size_ok = TRUE;
2311         gint max_size;
2312         TnyIterator *iter = NULL;
2313         
2314         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2315         
2316         /* Init mail operation */
2317         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2318         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2319         priv->done = 0;
2320         priv->total = tny_list_get_length(header_list);
2321
2322         /* Get account and set it into mail_operation */
2323         if (tny_list_get_length (header_list) >= 1) {
2324                 iter = tny_list_create_iterator (header_list);
2325                 header = TNY_HEADER (tny_iterator_get_current (iter));
2326                 if (header) {
2327                         folder = tny_header_get_folder (header);
2328                         if (folder) {           
2329                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2330
2331                                 g_object_unref (folder);
2332                         }
2333
2334                         g_object_unref (header);
2335                 }
2336
2337                 if (tny_list_get_length (header_list) == 1) {
2338                         g_object_unref (iter);
2339                         iter = NULL;
2340                 }
2341         }
2342
2343         /* Get msg size limit */
2344         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2345                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2346                                          &(priv->error));
2347         if (priv->error) {
2348                 g_clear_error (&(priv->error));
2349                 max_size = G_MAXINT;
2350         } else {
2351                 max_size = max_size * KB;
2352         }
2353
2354         /* Check message size limits. If there is only one message
2355            always retrieve it */
2356         if (iter != NULL) {
2357                 while (!tny_iterator_is_done (iter) && size_ok) {
2358                         header = TNY_HEADER (tny_iterator_get_current (iter));
2359                         if (header) {
2360                                 if (tny_header_get_message_size (header) >= max_size)
2361                                         size_ok = FALSE;
2362                                 g_object_unref (header);
2363                         }
2364
2365                         tny_iterator_next (iter);
2366                 }
2367                 g_object_unref (iter);
2368         }
2369
2370         if (size_ok) {
2371                 /* Create the info */
2372                 info = g_slice_new0 (GetFullMsgsInfo);
2373                 info->mail_op = self;
2374                 info->user_callback = user_callback;
2375                 info->user_data = user_data;
2376                 info->headers = g_object_ref (header_list);
2377                 info->notify = notify;
2378
2379                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2380         } else {
2381                 /* Set status failed and set an error */
2382                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2383                 /* FIXME: the error msg is different for pop */
2384                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2385                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2386                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2387                 /* Remove from queue and free resources */
2388                 modest_mail_operation_notify_end (self);
2389                 if (notify)
2390                         notify (user_data);
2391         }
2392 }
2393
2394
2395 void 
2396 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2397                                   TnyHeader *header,
2398                                   gboolean remove_to_trash /*ignored*/)
2399 {
2400         TnyFolder *folder;
2401         ModestMailOperationPrivate *priv;
2402
2403         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2404         g_return_if_fail (TNY_IS_HEADER (header));
2405
2406         if (remove_to_trash)
2407                 g_warning ("remove to trash is not implemented");
2408
2409         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2410         folder = tny_header_get_folder (header);
2411
2412         /* Get account and set it into mail_operation */
2413         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2414
2415         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2416
2417         /* remove message from folder */
2418         tny_folder_remove_msg (folder, header, &(priv->error));
2419         if (!priv->error) {
2420                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2421                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2422
2423                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2424 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2425                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2426                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2427 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2428                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2429                 else
2430                         /* local folders */
2431 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2432                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2433         }
2434         
2435         
2436         /* Set status */
2437         if (!priv->error)
2438                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2439         else
2440                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2441
2442         /* Free */
2443         g_object_unref (G_OBJECT (folder));
2444
2445         /* Notify about operation end */
2446         modest_mail_operation_notify_end (self);
2447 }
2448
2449 void 
2450 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2451                                    TnyList *headers,
2452                                   gboolean remove_to_trash /*ignored*/)
2453 {
2454         TnyFolder *folder;
2455         ModestMailOperationPrivate *priv;
2456         TnyIterator *iter = NULL;
2457         TnyHeader *header = NULL;
2458
2459         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2460         g_return_if_fail (TNY_IS_LIST (headers));
2461
2462         if (remove_to_trash)
2463                 g_warning ("remove to trash is not implemented");
2464
2465         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2466
2467         /* Get folder from first header and sync it */
2468         iter = tny_list_create_iterator (headers);
2469         header = TNY_HEADER (tny_iterator_get_current (iter));
2470         folder = tny_header_get_folder (header);
2471         
2472         /* Get account and set it into mail_operation */
2473         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2474
2475         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2476
2477         /* remove message from folder */
2478         tny_folder_remove_msgs (folder, headers, &(priv->error));
2479         if (!priv->error) {
2480                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder) || 
2481                     TNY_IS_CAMEL_POP_FOLDER (folder))
2482                         tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /* FALSE --> don't expunge */ 
2483                 else
2484                         /* local folders */
2485                         tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /* TRUE --> expunge */
2486         }
2487         
2488         
2489         /* Set status */
2490         if (!priv->error)
2491                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2492         else
2493                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2494
2495         /* Free */
2496         g_object_unref (header);
2497         g_object_unref (iter);
2498         g_object_unref (G_OBJECT (folder));
2499
2500         /* Notify about operation end */
2501         modest_mail_operation_notify_end (self);
2502 }
2503
2504
2505 static void
2506 transfer_msgs_status_cb (GObject *obj,
2507                          TnyStatus *status,  
2508                          gpointer user_data)
2509 {
2510         XFerMsgAsyncHelper *helper = NULL;
2511         ModestMailOperation *self;
2512         ModestMailOperationPrivate *priv;
2513         ModestMailOperationState *state;
2514
2515
2516         g_return_if_fail (status != NULL);
2517         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2518
2519         helper = (XFerMsgAsyncHelper *) user_data;
2520         g_return_if_fail (helper != NULL);       
2521
2522         self = helper->mail_op;
2523         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2524
2525         priv->done = status->position;
2526         priv->total = status->of_total;
2527
2528         state = modest_mail_operation_clone_state (self);
2529
2530         /* This is not a GDK lock because we are a Tinymail callback and
2531          * Tinymail already acquires the Gdk lock */
2532
2533         /* no gdk_threads_enter (), CHECKED */
2534
2535         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2536
2537         /* no gdk_threads_leave (), CHECKED */
2538
2539         g_slice_free (ModestMailOperationState, state);
2540 }
2541
2542
2543 static void
2544 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2545 {
2546         XFerMsgAsyncHelper *helper;
2547         ModestMailOperation *self;
2548         ModestMailOperationPrivate *priv;
2549         TnyIterator *iter = NULL;
2550         TnyHeader *header = NULL;
2551
2552         helper = (XFerMsgAsyncHelper *) user_data;
2553         self = helper->mail_op;
2554
2555         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2556
2557         if (err) {
2558                 priv->error = g_error_copy (err);
2559                 priv->done = 0;
2560                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2561         } else if (cancelled) {
2562                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2563                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2564                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2565                              _("Error trying to refresh the contents of %s"),
2566                              tny_folder_get_name (folder));
2567         } else {
2568                 priv->done = 1;
2569                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2570
2571                 /* Update folder counts */
2572                 tny_folder_poke_status (folder);                
2573                 tny_folder_poke_status (helper->dest_folder);           
2574         }
2575
2576         
2577         /* Mark headers as deleted and seen */
2578         if ((helper->delete) && 
2579             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2580                 iter = tny_list_create_iterator (helper->headers);
2581                 while (!tny_iterator_is_done (iter)) {
2582                         header = TNY_HEADER (tny_iterator_get_current (iter));
2583                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2584                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2585                         g_object_unref (header);
2586
2587                         tny_iterator_next (iter);
2588                 }
2589
2590         }
2591                 
2592
2593         /* Notify about operation end */
2594         modest_mail_operation_notify_end (self);
2595
2596         /* If user defined callback function was defined, call it */
2597         if (helper->user_callback) {
2598                 /* This is not a GDK lock because we are a Tinymail callback and
2599                  * Tinymail already acquires the Gdk lock */
2600
2601                 /* no gdk_threads_enter (), CHECKED */
2602                 helper->user_callback (priv->source, helper->user_data);
2603                 /* no gdk_threads_leave (), CHECKED */
2604         }
2605
2606         /* Free */
2607         if (helper->headers)
2608                 g_object_unref (helper->headers);
2609         if (helper->dest_folder)
2610                 g_object_unref (helper->dest_folder);
2611         if (helper->mail_op)
2612                 g_object_unref (helper->mail_op);
2613         if (folder)
2614                 g_object_unref (folder);
2615         if (iter)
2616                 g_object_unref (iter);
2617         g_slice_free   (XFerMsgAsyncHelper, helper);
2618
2619 }
2620
2621 void
2622 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2623                                  TnyList *headers, 
2624                                  TnyFolder *folder, 
2625                                  gboolean delete_original,
2626                                  XferMsgsAsynUserCallback user_callback,
2627                                  gpointer user_data)
2628 {
2629         ModestMailOperationPrivate *priv = NULL;
2630         TnyIterator *iter = NULL;
2631         TnyFolder *src_folder = NULL;
2632         XFerMsgAsyncHelper *helper = NULL;
2633         TnyHeader *header = NULL;
2634         ModestTnyFolderRules rules = 0;
2635         const gchar *id1 = NULL;
2636         const gchar *id2 = NULL;
2637         gboolean same_folder = FALSE;
2638
2639         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2640         g_return_if_fail (TNY_IS_LIST (headers));
2641         g_return_if_fail (TNY_IS_FOLDER (folder));
2642
2643         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2644         priv->total = 1;
2645         priv->done = 0;
2646         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2647
2648         /* Apply folder rules */
2649         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2650         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2651                 /* Set status failed and set an error */
2652                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2653                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2654                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2655                              _CS("ckct_ib_unable_to_paste_here"));
2656                 /* Notify the queue */
2657                 modest_mail_operation_notify_end (self);
2658                 return;
2659         }
2660                 
2661         /* Get source folder */
2662         iter = tny_list_create_iterator (headers);
2663         header = TNY_HEADER (tny_iterator_get_current (iter));
2664         if (header) {
2665                 src_folder = tny_header_get_folder (header);
2666                 g_object_unref (header);
2667         }
2668
2669         g_object_unref (iter);
2670
2671         /* Check folder source and destination */
2672         id1 = tny_folder_get_id (src_folder);
2673         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2674         same_folder = !g_ascii_strcasecmp (id1, id2);
2675         if (same_folder) {
2676                 /* Set status failed and set an error */
2677                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2678                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2679                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2680                              _("mcen_ib_unable_to_copy_samefolder"));
2681                 
2682                 /* Notify the queue */
2683                 modest_mail_operation_notify_end (self);
2684                 
2685                 /* Free */
2686                 g_object_unref (src_folder);            
2687                 return;
2688         }
2689
2690         /* Create the helper */
2691         helper = g_slice_new0 (XFerMsgAsyncHelper);
2692         helper->mail_op = g_object_ref(self);
2693         helper->dest_folder = g_object_ref(folder);
2694         helper->headers = g_object_ref(headers);
2695         helper->user_callback = user_callback;
2696         helper->user_data = user_data;
2697         helper->delete = delete_original;
2698
2699         /* Get account and set it into mail_operation */
2700         priv->account = modest_tny_folder_get_account (src_folder);
2701
2702         /* Transfer messages */
2703         tny_folder_transfer_msgs_async (src_folder, 
2704                                         headers, 
2705                                         folder, 
2706                                         delete_original, 
2707                                         transfer_msgs_cb, 
2708                                         transfer_msgs_status_cb,
2709                                         helper);
2710 }
2711
2712
2713 static void
2714 on_refresh_folder (TnyFolder   *folder, 
2715                    gboolean     cancelled, 
2716                    GError     *error,
2717                    gpointer     user_data)
2718 {
2719         RefreshAsyncHelper *helper = NULL;
2720         ModestMailOperation *self = NULL;
2721         ModestMailOperationPrivate *priv = NULL;
2722
2723         helper = (RefreshAsyncHelper *) user_data;
2724         self = helper->mail_op;
2725         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2726
2727         g_return_if_fail(priv!=NULL);
2728
2729         if (error) {
2730                 priv->error = g_error_copy (error);
2731                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2732                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2733                        error->message);
2734                 goto out;
2735         }
2736
2737         if (cancelled) {
2738                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2739                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2740                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2741                              _("Error trying to refresh the contents of %s"),
2742                              tny_folder_get_name (folder));
2743                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2744                 goto out;
2745         }
2746
2747         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2748
2749         /* Call user defined callback, if it exists */
2750         if (helper->user_callback) {
2751
2752                 /* This is not a GDK lock because we are a Tinymail callback and
2753                  * Tinymail already acquires the Gdk lock */
2754                 helper->user_callback (self, folder, helper->user_data);
2755         }
2756
2757  out:
2758         /* Free */
2759         g_slice_free   (RefreshAsyncHelper, helper);
2760
2761         /* Notify about operation end */
2762         modest_mail_operation_notify_end (self);
2763         g_object_unref(self);
2764 }
2765
2766 static void
2767 on_refresh_folder_status_update (GObject *obj,
2768                                  TnyStatus *status,
2769                                  gpointer user_data)
2770 {
2771         RefreshAsyncHelper *helper = NULL;
2772         ModestMailOperation *self = NULL;
2773         ModestMailOperationPrivate *priv = NULL;
2774         ModestMailOperationState *state;
2775
2776         g_return_if_fail (user_data != NULL);
2777         g_return_if_fail (status != NULL);
2778         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2779
2780         helper = (RefreshAsyncHelper *) user_data;
2781         self = helper->mail_op;
2782         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2783
2784         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2785
2786         priv->done = status->position;
2787         priv->total = status->of_total;
2788
2789         state = modest_mail_operation_clone_state (self);
2790
2791         /* This is not a GDK lock because we are a Tinymail callback and
2792          * Tinymail already acquires the Gdk lock */
2793         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2794
2795         g_slice_free (ModestMailOperationState, state);
2796 }
2797
2798 void 
2799 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2800                                        TnyFolder *folder,
2801                                        RefreshAsyncUserCallback user_callback,
2802                                        gpointer user_data)
2803 {
2804         ModestMailOperationPrivate *priv = NULL;
2805         RefreshAsyncHelper *helper = NULL;
2806
2807         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2808
2809         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2810
2811         /* Get account and set it into mail_operation */
2812         priv->account = modest_tny_folder_get_account  (folder);
2813
2814         /* Create the helper */
2815         helper = g_slice_new0 (RefreshAsyncHelper);
2816         helper->mail_op = g_object_ref(self);
2817         helper->user_callback = user_callback;
2818         helper->user_data = user_data;
2819
2820         /* Refresh the folder. TODO: tinymail could issue a status
2821            updates before the callback call then this could happen. We
2822            must review the design */
2823         tny_folder_refresh_async (folder,
2824                                   on_refresh_folder,
2825                                   on_refresh_folder_status_update,
2826                                   helper);
2827 }
2828
2829 /**
2830  *
2831  * It's used by the mail operation queue to notify the observers
2832  * attached to that signal that the operation finished. We need to use
2833  * that because tinymail does not give us the progress of a given
2834  * operation when it finishes (it directly calls the operation
2835  * callback).
2836  */
2837 static void
2838 modest_mail_operation_notify_end (ModestMailOperation *self)
2839 {
2840         ModestMailOperationState *state;
2841         ModestMailOperationPrivate *priv = NULL;
2842
2843         g_return_if_fail (self);
2844
2845         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2846
2847         /* Set the account back to not busy */
2848         if (priv->account_name) {
2849                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2850                                                      priv->account_name, FALSE);
2851                 g_free(priv->account_name);
2852                 priv->account_name = NULL;
2853         }
2854         
2855         /* Notify the observers about the mail operation end */
2856         /* We do not wrapp this emission because we assume that this
2857            function is always called from within the main lock */
2858         state = modest_mail_operation_clone_state (self);
2859         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2860         g_slice_free (ModestMailOperationState, state);
2861 }