b9c756dd209f5d0159bd43de4a3b2b75578c71fd
[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         XferAsyncUserCallback 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 (priv->source) ? g_object_ref (priv->source) : NULL;
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 *drafts = 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         drafts = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), 
844                                                         TNY_FOLDER_TYPE_DRAFTS);
845         if (!drafts) {
846                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
847                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
848                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
849                              "modest: failed to create a new msg\n");
850                 goto end;
851         }
852
853         if (!priv->error)
854                 tny_folder_add_msg (drafts, msg, &(priv->error));
855
856         if ((!priv->error) && (info->draft_msg != NULL)) {
857                 header = tny_msg_get_header (info->draft_msg);
858                 src_folder = tny_header_get_folder (header); 
859
860                 /* Remove the old draft */
861                 tny_folder_remove_msg (src_folder, header, NULL);
862
863                 /* Synchronize to expunge and to update the msg counts */
864                 tny_folder_sync_async (drafts, TRUE, NULL, NULL, NULL);
865                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);
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 (drafts)
881                 g_object_unref (G_OBJECT(drafts));
882         if (src_folder)
883                 g_object_unref (G_OBJECT(src_folder));
884         if (info->edit_window)
885                 g_object_unref (G_OBJECT(info->edit_window));
886         if (info->draft_msg)
887                 g_object_unref (G_OBJECT (info->draft_msg));
888         if (info->transport_account)
889                 g_object_unref (G_OBJECT(info->transport_account));
890         g_slice_free (SaveToDraftsInfo, info);
891
892         modest_mail_operation_notify_end (self);
893 }
894
895 void
896 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
897                                       TnyTransportAccount *transport_account,
898                                       TnyMsg *draft_msg,
899                                       ModestMsgEditWindow *edit_window,
900                                       const gchar *from,  const gchar *to,
901                                       const gchar *cc,  const gchar *bcc,
902                                       const gchar *subject, const gchar *plain_body,
903                                       const gchar *html_body,
904                                       const GList *attachments_list,
905                                       TnyHeaderFlags priority_flags)
906 {
907         ModestMailOperationPrivate *priv = NULL;
908         SaveToDraftsInfo *info = NULL;
909
910         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
911         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
912
913         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
914
915         /* Get account and set it into mail_operation */
916         priv->account = g_object_ref (transport_account);
917
918         info = g_slice_new0 (SaveToDraftsInfo);
919         info->transport_account = g_object_ref (transport_account);
920         info->draft_msg = draft_msg;
921         if (draft_msg)
922                 g_object_ref (draft_msg);
923         info->edit_window = edit_window;
924         if (edit_window)
925                 g_object_ref (edit_window);
926
927         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
928                                           attachments_list, priority_flags,
929                                           modest_mail_operation_save_to_drafts_cb, info);
930
931 }
932
933 typedef struct 
934 {
935         ModestMailOperation *mail_op;
936         TnyStoreAccount *account;
937         TnyTransportAccount *transport_account;
938         gint max_size;
939         gint retrieve_limit;
940         gchar *retrieve_type;
941         gchar *account_name;
942         UpdateAccountCallback callback;
943         gpointer user_data;
944         TnyList *new_headers;
945 } UpdateAccountInfo;
946
947 typedef struct
948 {
949         ModestMailOperation *mail_op;
950         TnyMimePart *mime_part;
951         gssize size;
952         GetMimePartSizeCallback callback;
953         gpointer userdata;
954 } GetMimePartSizeInfo;
955
956 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
957 /* We use this folder observer to track the headers that have been
958  * added to a folder */
959 typedef struct {
960         GObject parent;
961         TnyList *new_headers;
962 } InternalFolderObserver;
963
964 typedef struct {
965         GObjectClass parent;
966 } InternalFolderObserverClass;
967
968 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
969
970 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
971                          internal_folder_observer,
972                          G_TYPE_OBJECT,
973                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
974
975
976 static void
977 foreach_add_item (gpointer header, gpointer user_data)
978 {
979         tny_list_prepend (TNY_LIST (user_data), 
980                           g_object_ref (G_OBJECT (header)));
981 }
982
983 /* This is the method that looks for new messages in a folder */
984 static void
985 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
986 {
987         InternalFolderObserver *derived = (InternalFolderObserver *)self;
988         
989         TnyFolderChangeChanged changed;
990
991         changed = tny_folder_change_get_changed (change);
992
993         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
994                 TnyList *list;
995
996                 /* Get added headers */
997                 list = tny_simple_list_new ();
998                 tny_folder_change_get_added_headers (change, list);
999
1000                 /* Add them to the folder observer */
1001                 tny_list_foreach (list, foreach_add_item, 
1002                                   derived->new_headers);
1003
1004                 g_object_unref (G_OBJECT (list));
1005         }
1006 }
1007
1008 static void
1009 internal_folder_observer_init (InternalFolderObserver *self) 
1010 {
1011         self->new_headers = tny_simple_list_new ();
1012 }
1013 static void
1014 internal_folder_observer_finalize (GObject *object) 
1015 {
1016         InternalFolderObserver *self;
1017
1018         self = (InternalFolderObserver *) object;
1019         g_object_unref (self->new_headers);
1020
1021         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
1022 }
1023 static void
1024 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1025 {
1026         iface->update_func = internal_folder_observer_update;
1027 }
1028 static void
1029 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1030 {
1031         GObjectClass *object_class;
1032
1033         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1034         object_class = (GObjectClass*) klass;
1035         object_class->finalize = internal_folder_observer_finalize;
1036 }
1037
1038 /*****************/
1039
1040 static void
1041 recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all_folders)
1042 {
1043         TnyIterator *iter;
1044         TnyList *folders = tny_simple_list_new ();
1045
1046         tny_folder_store_get_folders (store, folders, query, NULL);
1047         iter = tny_list_create_iterator (folders);
1048
1049         while (!tny_iterator_is_done (iter)) {
1050
1051                 TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1052                 if (folder) {
1053                         tny_list_prepend (all_folders, G_OBJECT (folder));
1054                         recurse_folders (folder, query, all_folders);    
1055                         g_object_unref (G_OBJECT (folder));
1056                 }
1057
1058                 tny_iterator_next (iter);
1059         }
1060          g_object_unref (G_OBJECT (iter));
1061          g_object_unref (G_OBJECT (folders));
1062 }
1063
1064 /* 
1065  * Issues the "progress-changed" signal. The timer won't be removed,
1066  * so you must call g_source_remove to stop the signal emission
1067  */
1068 static gboolean
1069 idle_notify_progress (gpointer data)
1070 {
1071         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1072         ModestMailOperationState *state;
1073
1074         state = modest_mail_operation_clone_state (mail_op);
1075
1076         /* This is a GDK lock because we are an idle callback and
1077          * the handlers of this signal can contain Gtk+ code */
1078
1079         gdk_threads_enter (); /* CHECKED */
1080         g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1081         gdk_threads_leave (); /* CHECKED */
1082
1083         g_slice_free (ModestMailOperationState, state);
1084         
1085         return TRUE;
1086 }
1087
1088 /* 
1089  * Issues the "progress-changed" signal and removes the timer. It uses
1090  * a lock to ensure that the progress information of the mail
1091  * operation is not modified while there are notifications pending
1092  */
1093 static gboolean
1094 idle_notify_progress_once (gpointer data)
1095 {
1096         ModestPair *pair;
1097
1098         pair = (ModestPair *) data;
1099
1100         /* This is a GDK lock because we are an idle callback and
1101          * the handlers of this signal can contain Gtk+ code */
1102
1103         gdk_threads_enter (); /* CHECKED */
1104         g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
1105         gdk_threads_leave (); /* CHECKED */
1106
1107         /* Free the state and the reference to the mail operation */
1108         g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
1109         g_object_unref (pair->first);
1110
1111         return FALSE;
1112 }
1113
1114 /* 
1115  * Used to notify the queue from the main
1116  * loop. We call it inside an idle call to achieve that
1117  */
1118 static gboolean
1119 idle_notify_queue (gpointer data)
1120 {
1121         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1122
1123         /* Do not need to block, the notify end will do it for us */    
1124         modest_mail_operation_notify_end (mail_op);
1125         g_object_unref (mail_op);
1126
1127         return FALSE;
1128 }
1129
1130 static int
1131 compare_headers_by_date (gconstpointer a, 
1132                          gconstpointer b)
1133 {
1134         TnyHeader **header1, **header2;
1135         time_t sent1, sent2;
1136
1137         header1 = (TnyHeader **) a;
1138         header2 = (TnyHeader **) b;
1139
1140         sent1 = tny_header_get_date_sent (*header1);
1141         sent2 = tny_header_get_date_sent (*header2);
1142
1143         /* We want the most recent ones (greater time_t) at the
1144            beginning */
1145         if (sent1 < sent2)
1146                 return 1;
1147         else
1148                 return -1;
1149 }
1150
1151 static gboolean 
1152 set_last_updated_idle (gpointer data)
1153 {
1154
1155         /* This is a GDK lock because we are an idle callback and
1156          * modest_account_mgr_set_int can contain Gtk+ code */
1157
1158         gdk_threads_enter (); /* CHECKED - please recheck */
1159
1160         /* It does not matter if the time is not exactly the same than
1161            the time when this idle was called, it's just an
1162            approximation and it won't be very different */
1163
1164         modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
1165                                     (gchar *) data, 
1166                                     MODEST_ACCOUNT_LAST_UPDATED, 
1167                                     time(NULL), 
1168                                     TRUE);
1169
1170         gdk_threads_leave (); /* CHECKED - please recheck */
1171
1172         return FALSE;
1173 }
1174
1175 static gboolean
1176 idle_update_account_cb (gpointer data)
1177 {
1178         UpdateAccountInfo *idle_info;
1179
1180         idle_info = (UpdateAccountInfo *) data;
1181
1182         /* This is a GDK lock because we are an idle callback and
1183          * idle_info->callback can contain Gtk+ code */
1184
1185         gdk_threads_enter (); /* CHECKED */
1186         idle_info->callback (idle_info->mail_op,
1187                              idle_info->new_headers,
1188                              idle_info->user_data);
1189         gdk_threads_leave (); /* CHECKED */
1190
1191         /* Frees */
1192         g_object_unref (idle_info->mail_op);
1193         if (idle_info->new_headers)
1194                 g_object_unref (idle_info->new_headers);
1195         g_free (idle_info);
1196
1197         return FALSE;
1198 }
1199
1200 static TnyList *
1201 get_all_folders_from_account (TnyStoreAccount *account,
1202                               GError **error)
1203 {
1204         TnyList *all_folders = NULL;
1205         TnyIterator *iter = NULL;
1206         TnyFolderStoreQuery *query = NULL;
1207
1208         all_folders = tny_simple_list_new ();
1209         query = tny_folder_store_query_new ();
1210         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1211         tny_folder_store_get_folders (TNY_FOLDER_STORE (account),
1212                                       all_folders,
1213                                       query,
1214                                       error);
1215
1216         if (*error) {
1217                 if (all_folders)
1218                         g_object_unref (all_folders);
1219                 return NULL;
1220         }
1221
1222         iter = tny_list_create_iterator (all_folders);
1223         while (!tny_iterator_is_done (iter)) {
1224                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1225                 if (folder) {
1226                         recurse_folders (folder, query, all_folders);
1227                         g_object_unref (folder);
1228                 }
1229                 tny_iterator_next (iter);
1230         }
1231         g_object_unref (G_OBJECT (iter));
1232
1233         return all_folders;
1234 }
1235
1236
1237 static gpointer
1238 update_account_thread (gpointer thr_user_data)
1239 {
1240         static gboolean first_time = TRUE;
1241         UpdateAccountInfo *info = NULL;
1242         TnyList *all_folders = NULL, *new_headers = NULL;
1243         GPtrArray *new_headers_array = NULL;
1244         TnyIterator *iter = NULL;
1245         ModestMailOperationPrivate *priv = NULL;
1246         ModestTnySendQueue *send_queue = NULL;
1247         gint i = 0, timeout = 0;
1248
1249         info = (UpdateAccountInfo *) thr_user_data;
1250         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1251
1252         /* Get account and set it into mail_operation */
1253         priv->account = g_object_ref (info->account);
1254
1255         /* Get all the folders. We can do it synchronously because
1256            we're already running in a different thread than the UI */
1257         all_folders = get_all_folders_from_account (info->account, &(priv->error));
1258         if (!all_folders) {
1259                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1260                 goto out;
1261         }
1262
1263         /* Update status and notify. We need to call the notification
1264            with a source function in order to call it from the main
1265            loop. We need that in order not to get into trouble with
1266            Gtk+. We use a timeout in order to provide more status
1267            information, because the sync tinymail call does not
1268            provide it for the moment */
1269         timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1270
1271         new_headers_array = g_ptr_array_new ();
1272         iter = tny_list_create_iterator (all_folders);
1273
1274         while (!tny_iterator_is_done (iter) && !priv->error && 
1275                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1276
1277                 TnyFolderType folder_type;
1278                 TnyFolder *folder = NULL;
1279
1280                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
1281                 folder_type = tny_folder_get_folder_type (folder);
1282
1283                 /* Refresh it only if it's the INBOX */
1284                 if (folder_type == TNY_FOLDER_TYPE_INBOX) {
1285                         InternalFolderObserver *observer = NULL;
1286                         TnyIterator *new_headers_iter = NULL;
1287
1288                         /* Refresh the folder. Our observer receives
1289                          * the new emails during folder refreshes, so
1290                          * we can use observer->new_headers
1291                          */
1292                         observer = g_object_new (internal_folder_observer_get_type (), NULL);
1293                         tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1294                 
1295                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1296
1297                         new_headers_iter = tny_list_create_iterator (observer->new_headers);
1298                         while (!tny_iterator_is_done (new_headers_iter)) {
1299                                 TnyHeader *header = NULL;
1300
1301                                 header = TNY_HEADER (tny_iterator_get_current (new_headers_iter));
1302                                 /* Apply per-message size limits */
1303                                 if (tny_header_get_message_size (header) < info->max_size)
1304                                         g_ptr_array_add (new_headers_array, g_object_ref (header));
1305                                 
1306                                 g_object_unref (header);
1307                                 tny_iterator_next (new_headers_iter);
1308                         }
1309                         g_object_unref (new_headers_iter);
1310
1311                         tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1312                         g_object_unref (observer);
1313                 } else {
1314                         /* We no not need to do it the first time,
1315                            because it's automatically done by the tree
1316                            model */
1317                         if (G_LIKELY (!first_time))
1318                                 tny_folder_poke_status (folder);
1319                 }
1320                 g_object_unref (folder);
1321
1322                 tny_iterator_next (iter);
1323         }
1324         g_object_unref (G_OBJECT (iter));
1325         g_source_remove (timeout);
1326
1327         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1328             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1329             new_headers_array->len > 0) {
1330                 gint msg_num = 0;
1331
1332                 /* Order by date */
1333                 g_ptr_array_sort (new_headers_array, (GCompareFunc) compare_headers_by_date);
1334
1335                 /* TODO: Ask the user, instead of just failing,
1336                  * showing mail_nc_msg_count_limit_exceeded, with 'Get
1337                  * all' and 'Newest only' buttons. */
1338                 if (new_headers_array->len > info->retrieve_limit) {
1339                         /* TODO */
1340                 }
1341
1342                 /* Should be get only the headers or the message as well? */
1343                 if (g_ascii_strcasecmp (info->retrieve_type, 
1344                                         MODEST_ACCOUNT_RETRIEVE_VALUE_HEADERS_ONLY) != 0) {     
1345                         priv->done = 0;
1346                         priv->total = MIN (new_headers_array->len, info->retrieve_limit);
1347                         while (msg_num < priv->total) {
1348
1349                                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, msg_num));
1350                                 TnyFolder *folder = tny_header_get_folder (header);
1351                                 TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1352                                 ModestMailOperationState *state;
1353                                 ModestPair* pair;
1354
1355                                 priv->done++;
1356                                 /* We can not just use the mail operation because the
1357                                    values of done and total could change before the
1358                                    idle is called */
1359                                 state = modest_mail_operation_clone_state (info->mail_op);
1360                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1361                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1362                                                  pair, (GDestroyNotify) modest_pair_free);
1363
1364                                 g_object_unref (msg);
1365                                 g_object_unref (folder);
1366
1367                                 msg_num++;
1368                         }
1369                 }
1370         }
1371
1372         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1373                 goto out;
1374
1375         /* Copy the headers to a list and free the array */
1376         new_headers = tny_simple_list_new ();
1377         for (i=0; i < new_headers_array->len; i++) {
1378                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, i));
1379                 tny_list_append (new_headers, G_OBJECT (header));
1380         }
1381         g_ptr_array_foreach (new_headers_array, (GFunc) g_object_unref, NULL);
1382         g_ptr_array_free (new_headers_array, FALSE);
1383         
1384
1385         /* Perform send (if operation was not cancelled) */
1386         priv->done = 0;
1387         priv->total = 0;
1388         if (priv->account != NULL) 
1389                 g_object_unref (priv->account);
1390         priv->account = g_object_ref (info->transport_account);
1391         
1392         send_queue = modest_runtime_get_send_queue (info->transport_account);
1393         if (send_queue) {
1394                 modest_tny_send_queue_try_to_send (send_queue);
1395         } else {
1396                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1397                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1398                              "cannot create a send queue for %s\n", 
1399                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1400                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1401         }
1402         
1403         /* Check if the operation was a success */
1404         if (!priv->error) {
1405                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1406
1407                 /* Update the last updated key */
1408                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1409                                  set_last_updated_idle, 
1410                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1411                                  (GDestroyNotify) g_free);
1412         }
1413
1414  out:
1415
1416         if (info->callback) {
1417                 UpdateAccountInfo *idle_info;
1418
1419                 /* This thread is not in the main lock */
1420                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1421                 idle_info->mail_op = g_object_ref (info->mail_op);
1422                 idle_info->new_headers = (new_headers) ? g_object_ref (new_headers) : NULL;
1423                 idle_info->callback = info->callback;
1424                 idle_info->user_data = info->user_data;
1425                 g_idle_add (idle_update_account_cb, idle_info);
1426         }
1427
1428         /* Notify about operation end. Note that the info could be
1429            freed before this idle happens, but the mail operation will
1430            be still alive */
1431         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1432
1433         /* Frees */
1434         if (new_headers)
1435                 g_object_unref (new_headers);
1436         if (all_folders)
1437                 g_object_unref (all_folders);
1438         g_object_unref (info->account);
1439         g_object_unref (info->transport_account);
1440         g_free (info->retrieve_type);
1441         g_slice_free (UpdateAccountInfo, info);
1442
1443         first_time = FALSE;
1444
1445         return NULL;
1446 }
1447
1448 gboolean
1449 modest_mail_operation_update_account (ModestMailOperation *self,
1450                                       const gchar *account_name,
1451                                       UpdateAccountCallback callback,
1452                                       gpointer user_data)
1453 {
1454         GThread *thread = NULL;
1455         UpdateAccountInfo *info = NULL;
1456         ModestMailOperationPrivate *priv = NULL;
1457         ModestAccountMgr *mgr = NULL;
1458         TnyStoreAccount *store_account = NULL;
1459         TnyTransportAccount *transport_account = NULL;
1460
1461         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1462         g_return_val_if_fail (account_name, FALSE);
1463
1464         /* Init mail operation. Set total and done to 0, and do not
1465            update them, this way the progress objects will know that
1466            we have no clue about the number of the objects */
1467         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1468         priv->total = 0;
1469         priv->done  = 0;
1470         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1471
1472         /* Get the store account */
1473         store_account = (TnyStoreAccount *)
1474                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1475                                                                      account_name,
1476                                                                      TNY_ACCOUNT_TYPE_STORE);
1477                                                                      
1478         if (!store_account) {
1479                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1480                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1481                              "cannot get tny store account for %s\n", account_name);
1482                 goto error;
1483         }
1484
1485         
1486         /* Get the transport account, we can not do it in the thread
1487            due to some problems with dbus */
1488         transport_account = (TnyTransportAccount *)
1489                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1490                                                                                     account_name);
1491         if (!transport_account) {
1492                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1493                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1494                              "cannot get tny transport account for %s\n", account_name);
1495                 goto error;
1496         }
1497
1498         /* Create the helper object */
1499         info = g_slice_new (UpdateAccountInfo);
1500         info->mail_op = self;
1501         info->account = store_account;
1502         info->transport_account = transport_account;
1503         info->callback = callback;
1504         info->user_data = user_data;
1505
1506         /* Get the message size limit */
1507         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1508                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1509         if (info->max_size == 0)
1510                 info->max_size = G_MAXINT;
1511         else
1512                 info->max_size = info->max_size * KB;
1513
1514         /* Get per-account retrieval type */
1515         mgr = modest_runtime_get_account_mgr ();
1516         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1517                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1518
1519         /* Get per-account message amount retrieval limit */
1520         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1521                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1522         if (info->retrieve_limit == 0)
1523                 info->retrieve_limit = G_MAXINT;
1524                 
1525         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1526
1527         /* Set account busy */
1528         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1529         priv->account_name = g_strdup(account_name);
1530         
1531         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1532
1533         return TRUE;
1534
1535  error:
1536         if (store_account)
1537                 g_object_unref (store_account);
1538         if (transport_account)
1539                 g_object_unref (transport_account);
1540         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1541         if (callback) {
1542                 callback (self, NULL, user_data);
1543         }
1544         modest_mail_operation_notify_end (self);
1545         return FALSE;
1546 }
1547
1548 /* ******************************************************************* */
1549 /* ************************** STORE  ACTIONS ************************* */
1550 /* ******************************************************************* */
1551
1552
1553 TnyFolder *
1554 modest_mail_operation_create_folder (ModestMailOperation *self,
1555                                      TnyFolderStore *parent,
1556                                      const gchar *name)
1557 {
1558         ModestMailOperationPrivate *priv;
1559         TnyFolder *new_folder = NULL;
1560
1561         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1562         g_return_val_if_fail (name, NULL);
1563         
1564         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1565
1566         /* Check for already existing folder */
1567         if (modest_tny_folder_has_subfolder_with_name (parent, name)) {
1568                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1569                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1570                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1571                              _CS("ckdg_ib_folder_already_exists"));
1572         }
1573
1574         /* Check parent */
1575         if (TNY_IS_FOLDER (parent)) {
1576                 /* Check folder rules */
1577                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1578                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1579                         /* Set status failed and set an error */
1580                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1581                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1582                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1583                                      _("mail_in_ui_folder_create_error"));
1584                 }
1585         }
1586
1587         if (!strcmp (name, " ") || strchr (name, '/')) {
1588                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1589                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1590                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1591                              _("mail_in_ui_folder_create_error"));
1592         }
1593
1594         if (!priv->error) {
1595                 /* Create the folder */
1596                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1597                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1598                 if (!priv->error)
1599                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1600         }
1601
1602         /* Notify about operation end */
1603         modest_mail_operation_notify_end (self);
1604
1605         return new_folder;
1606 }
1607
1608 void
1609 modest_mail_operation_remove_folder (ModestMailOperation *self,
1610                                      TnyFolder           *folder,
1611                                      gboolean             remove_to_trash)
1612 {
1613         TnyAccount *account;
1614         ModestMailOperationPrivate *priv;
1615         ModestTnyFolderRules rules;
1616
1617         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1618         g_return_if_fail (TNY_IS_FOLDER (folder));
1619         
1620         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1621         
1622         /* Check folder rules */
1623         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1624         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1625                 /* Set status failed and set an error */
1626                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1627                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1628                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1629                              _("mail_in_ui_folder_delete_error"));
1630                 goto end;
1631         }
1632
1633         /* Get the account */
1634         account = modest_tny_folder_get_account (folder);
1635         priv->account = g_object_ref(account);
1636
1637         /* Delete folder or move to trash */
1638         if (remove_to_trash) {
1639                 TnyFolder *trash_folder = NULL;
1640                 trash_folder = modest_tny_account_get_special_folder (account,
1641                                                                       TNY_FOLDER_TYPE_TRASH);
1642                 /* TODO: error_handling */
1643                 if (trash_folder) {
1644                         modest_mail_operation_xfer_folder (self, folder,
1645                                                     TNY_FOLDER_STORE (trash_folder), 
1646                                                     TRUE, NULL, NULL);
1647                         g_object_unref (trash_folder);
1648                 }
1649         } else {
1650                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1651
1652                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1653                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1654
1655                 if (!priv->error)
1656                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1657
1658                 if (parent)
1659                         g_object_unref (G_OBJECT (parent));
1660         }
1661         g_object_unref (G_OBJECT (account));
1662
1663  end:
1664         /* Notify about operation end */
1665         modest_mail_operation_notify_end (self);
1666 }
1667
1668 static void
1669 transfer_folder_status_cb (GObject *obj,
1670                            TnyStatus *status,
1671                            gpointer user_data)
1672 {
1673         ModestMailOperation *self;
1674         ModestMailOperationPrivate *priv;
1675         ModestMailOperationState *state;
1676         XFerMsgAsyncHelper *helper;
1677
1678         g_return_if_fail (status != NULL);
1679         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1680
1681         helper = (XFerMsgAsyncHelper *) user_data;
1682         g_return_if_fail (helper != NULL);
1683
1684         self = helper->mail_op;
1685         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1686
1687         priv->done = status->position;
1688         priv->total = status->of_total;
1689
1690         state = modest_mail_operation_clone_state (self);
1691
1692         /* This is not a GDK lock because we are a Tinymail callback
1693          * which is already GDK locked by Tinymail */
1694
1695         /* no gdk_threads_enter (), CHECKED */
1696
1697         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1698
1699         /* no gdk_threads_leave (), CHECKED */
1700
1701         g_slice_free (ModestMailOperationState, state);
1702 }
1703
1704
1705 static void
1706 transfer_folder_cb (TnyFolder *folder, 
1707                     gboolean cancelled, 
1708                     TnyFolderStore *into, 
1709                     TnyFolder *new_folder, 
1710                     GError *err, 
1711                     gpointer user_data)
1712 {
1713         XFerMsgAsyncHelper *helper;
1714         ModestMailOperation *self = NULL;
1715         ModestMailOperationPrivate *priv = NULL;
1716
1717         helper = (XFerMsgAsyncHelper *) user_data;
1718         g_return_if_fail (helper != NULL);       
1719
1720         self = helper->mail_op;
1721         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1722
1723         if (err) {
1724                 priv->error = g_error_copy (err);
1725                 priv->done = 0;
1726                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1727         } else if (cancelled) {
1728                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1729                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1730                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1731                              _("Transference of %s was cancelled."),
1732                              tny_folder_get_name (folder));
1733         } else {
1734                 priv->done = 1;
1735                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1736         }
1737                 
1738         /* Notify about operation end */
1739         modest_mail_operation_notify_end (self);
1740
1741         /* If user defined callback function was defined, call it */
1742         if (helper->user_callback) {
1743
1744                 /* This is not a GDK lock because we are a Tinymail callback
1745                  * which is already GDK locked by Tinymail */
1746
1747                 /* no gdk_threads_enter (), CHECKED */
1748                 helper->user_callback (self, helper->user_data);
1749                 /* no gdk_threads_leave () , CHECKED */
1750         }
1751
1752         /* Free */
1753         g_object_unref (helper->mail_op);
1754         g_slice_free   (XFerMsgAsyncHelper, helper);
1755 }
1756
1757 /**
1758  *
1759  * This function checks if the new name is a valid name for our local
1760  * folders account. The new name could not be the same than then name
1761  * of any of the mandatory local folders
1762  *
1763  * We can not rely on tinymail because tinymail does not check the
1764  * name of the virtual folders that the account could have in the case
1765  * that we're doing a rename (because it directly calls Camel which
1766  * knows nothing about our virtual folders). 
1767  *
1768  * In the case of an actual copy/move (i.e. move/copy a folder between
1769  * accounts) tinymail uses the tny_folder_store_create_account which
1770  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1771  * checks the new name of the folder, so this call in that case
1772  * wouldn't be needed. *But* NOTE that if tinymail changes its
1773  * implementation (if folder transfers within the same account is no
1774  * longer implemented as a rename) this call will allow Modest to work
1775  * perfectly
1776  *
1777  * If the new name is not valid, this function will set the status to
1778  * failed and will set also an error in the mail operation
1779  */
1780 static gboolean
1781 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1782                                  TnyFolderStore *into,
1783                                  const gchar *new_name)
1784 {
1785         if (TNY_IS_ACCOUNT (into) && 
1786             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1787             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1788                                                                  new_name)) {
1789                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1790                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1791                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1792                              _("ckdg_ib_folder_already_exists"));
1793                 return FALSE;
1794         } else
1795                 return TRUE;
1796 }
1797
1798 void
1799 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1800                                    TnyFolder *folder,
1801                                    TnyFolderStore *parent,
1802                                    gboolean delete_original,
1803                                    XferAsyncUserCallback user_callback,
1804                                    gpointer user_data)
1805 {
1806         ModestMailOperationPrivate *priv = NULL;
1807         ModestTnyFolderRules parent_rules = 0, rules; 
1808         XFerMsgAsyncHelper *helper = NULL;
1809         const gchar *folder_name = NULL;
1810         const gchar *error_msg;
1811
1812         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1813         g_return_if_fail (TNY_IS_FOLDER (folder));
1814         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1815
1816         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1817         folder_name = tny_folder_get_name (folder);
1818
1819         /* Set the error msg */
1820         error_msg = _("mail_in_ui_folder_move_target_error");
1821
1822         /* Get account and set it into mail_operation */
1823         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1824         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1825
1826         /* Get folder rules */
1827         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1828         if (TNY_IS_FOLDER (parent))
1829                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1830         
1831         /* Apply operation constraints */
1832         if ((gpointer) parent == (gpointer) folder ||
1833             (!TNY_IS_FOLDER_STORE (parent)) || 
1834             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1835                 /* Folder rules */
1836                 goto error;
1837         } else if (TNY_IS_FOLDER (parent) && 
1838                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1839                 /* Folder rules */
1840                 goto error;
1841
1842         } else if (TNY_IS_FOLDER (parent) &&
1843                    TNY_IS_FOLDER_STORE (folder) &&
1844                    modest_tny_folder_is_ancestor (TNY_FOLDER (parent), 
1845                                                   TNY_FOLDER_STORE (folder))) {
1846                 /* Do not move a parent into a child */
1847                 goto error;
1848         } else if (TNY_IS_FOLDER_STORE (parent) &&
1849                    modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
1850                 /* Check that the new folder name is not used by any
1851                    parent subfolder */
1852                 goto error;     
1853         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1854                 /* Check that the new folder name is not used by any
1855                    special local folder */
1856                 goto error;
1857         } else {
1858                 /* Create the helper */
1859                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1860                 helper->mail_op = g_object_ref (self);
1861                 helper->dest_folder = NULL;
1862                 helper->headers = NULL;
1863                 helper->user_callback = user_callback;
1864                 helper->user_data = user_data;
1865                 
1866                 /* Move/Copy folder */
1867                 tny_folder_copy_async (folder,
1868                                        parent,
1869                                        tny_folder_get_name (folder),
1870                                        delete_original,
1871                                        transfer_folder_cb,
1872                                        transfer_folder_status_cb,
1873                                        helper);
1874                 return;
1875         }
1876
1877  error:
1878         /* Set status failed and set an error */
1879         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1880         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1881                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1882                      error_msg);
1883
1884         /* Call the user callback if exists */
1885         if (user_callback)
1886                 user_callback (self, user_data);
1887
1888         /* Notify the queue */
1889         modest_mail_operation_notify_end (self);
1890 }
1891
1892 void
1893 modest_mail_operation_rename_folder (ModestMailOperation *self,
1894                                      TnyFolder *folder,
1895                                      const gchar *name)
1896 {
1897         ModestMailOperationPrivate *priv;
1898         ModestTnyFolderRules rules;
1899         XFerMsgAsyncHelper *helper;
1900
1901         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1902         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1903         g_return_if_fail (name);
1904         
1905         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1906
1907         /* Get account and set it into mail_operation */
1908         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1909
1910         /* Check folder rules */
1911         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1912         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1913                 /* Set status failed and set an error */
1914                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1915                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1916                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1917                              _("FIXME: unable to rename"));
1918
1919                 /* Notify about operation end */
1920                 modest_mail_operation_notify_end (self);
1921         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1922                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1923                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1924                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1925                              _("FIXME: unable to rename"));
1926                 /* Notify about operation end */
1927                 modest_mail_operation_notify_end (self);
1928         } else {
1929                 TnyFolderStore *into;
1930
1931                 into = tny_folder_get_folder_store (folder);    
1932
1933                 /* Check that the new folder name is not used by any
1934                    special local folder */
1935                 if (new_name_valid_if_local_account (priv, into, name)) {
1936                         /* Create the helper */
1937                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1938                         helper->mail_op = g_object_ref(self);
1939                         helper->dest_folder = NULL;
1940                         helper->headers = NULL;
1941                         helper->user_callback = NULL;
1942                         helper->user_data = NULL;
1943                 
1944                         /* Rename. Camel handles folder subscription/unsubscription */
1945                         tny_folder_copy_async (folder, into, name, TRUE,
1946                                                transfer_folder_cb,
1947                                                transfer_folder_status_cb,
1948                                                helper);
1949                 } else {
1950                         modest_mail_operation_notify_end (self);
1951                 }
1952                 g_object_unref (into);
1953         }
1954 }
1955
1956 /* ******************************************************************* */
1957 /* **************************  MSG  ACTIONS  ************************* */
1958 /* ******************************************************************* */
1959
1960 void modest_mail_operation_get_msg (ModestMailOperation *self,
1961                                     TnyHeader *header,
1962                                     GetMsgAsyncUserCallback user_callback,
1963                                     gpointer user_data)
1964 {
1965         GetMsgAsyncHelper *helper = NULL;
1966         TnyFolder *folder;
1967         ModestMailOperationPrivate *priv;
1968         
1969         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1970         g_return_if_fail (TNY_IS_HEADER (header));
1971         
1972         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1973         folder = tny_header_get_folder (header);
1974
1975         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1976
1977         /* Get message from folder */
1978         if (folder) {
1979                 /* Get account and set it into mail_operation */
1980                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1981                 
1982                 /* Check for cached messages */
1983                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
1984                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
1985                 else 
1986                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1987
1988                 helper = g_slice_new0 (GetMsgAsyncHelper);
1989                 helper->mail_op = self;
1990                 helper->user_callback = user_callback;
1991                 helper->user_data = user_data;
1992                 helper->header = g_object_ref (header);
1993
1994                 // The callback's reference so that the mail op is not
1995                 // finalized until the async operation is completed even if
1996                 // the user canceled the request meanwhile.
1997                 g_object_ref (G_OBJECT (helper->mail_op));
1998
1999                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
2000
2001                 g_object_unref (G_OBJECT (folder));
2002         } else {
2003                 /* Set status failed and set an error */
2004                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2005                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2006                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2007                              _("Error trying to get a message. No folder found for header"));
2008
2009                 /* Notify the queue */
2010                 modest_mail_operation_notify_end (self);
2011         }
2012 }
2013
2014 static void
2015 get_msg_cb (TnyFolder *folder, 
2016             gboolean cancelled, 
2017             TnyMsg *msg, 
2018             GError *error, 
2019             gpointer user_data)
2020 {
2021         GetMsgAsyncHelper *helper = NULL;
2022         ModestMailOperation *self = NULL;
2023         ModestMailOperationPrivate *priv = NULL;
2024
2025         helper = (GetMsgAsyncHelper *) user_data;
2026         g_return_if_fail (helper != NULL);       
2027         self = helper->mail_op;
2028         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2029         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2030
2031         /* Check errors and cancel */
2032         if (error) {
2033                 priv->error = g_error_copy (error);
2034                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2035         } else if (cancelled) {
2036                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2037                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2038                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2039                              _("Error trying to refresh the contents of %s"),
2040                              tny_folder_get_name (folder));
2041         } else {
2042                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2043         }
2044
2045         /* If user defined callback function was defined, call it even
2046            if the operation failed*/
2047         if (helper->user_callback) {
2048                 /* This is not a GDK lock because we are a Tinymail callback
2049                  * which is already GDK locked by Tinymail */
2050
2051                 /* no gdk_threads_enter (), CHECKED */
2052                 helper->user_callback (self, helper->header, msg, helper->user_data);
2053                 /* no gdk_threads_leave (), CHECKED */
2054         }
2055
2056         /* Notify about operation end */
2057         modest_mail_operation_notify_end (self);
2058         /* Free */
2059         g_object_unref (helper->mail_op);
2060         g_object_unref (helper->header);
2061         g_slice_free (GetMsgAsyncHelper, helper);
2062                 
2063 }
2064
2065 static void     
2066 get_msg_status_cb (GObject *obj,
2067                    TnyStatus *status,  
2068                    gpointer user_data)
2069 {
2070         GetMsgAsyncHelper *helper = NULL;
2071         ModestMailOperation *self;
2072         ModestMailOperationPrivate *priv;
2073         ModestMailOperationState *state;
2074
2075         g_return_if_fail (status != NULL);
2076         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2077
2078         helper = (GetMsgAsyncHelper *) user_data;
2079         g_return_if_fail (helper != NULL);       
2080
2081         self = helper->mail_op;
2082         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2083
2084         priv->done = 1;
2085         priv->total = 1;
2086
2087         state = modest_mail_operation_clone_state (self);
2088         state->bytes_done = status->position;
2089         state->bytes_total = status->of_total;
2090
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         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2096         /* no gdk_threads_leave (), CHECKED */
2097
2098         g_slice_free (ModestMailOperationState, state);
2099 }
2100
2101 /****************************************************/
2102 typedef struct {
2103         ModestMailOperation *mail_op;
2104         TnyList *headers;
2105         GetMsgAsyncUserCallback user_callback;
2106         gpointer user_data;
2107         GDestroyNotify notify;
2108 } GetFullMsgsInfo;
2109
2110 typedef struct {
2111         GetMsgAsyncUserCallback user_callback;
2112         TnyHeader *header;
2113         TnyMsg *msg;
2114         gpointer user_data;
2115         ModestMailOperation *mail_op;
2116 } NotifyGetMsgsInfo;
2117
2118
2119 /* 
2120  * Used by get_msgs_full_thread to call the user_callback for each
2121  * message that has been read
2122  */
2123 static gboolean
2124 notify_get_msgs_full (gpointer data)
2125 {
2126         NotifyGetMsgsInfo *info;
2127
2128         info = (NotifyGetMsgsInfo *) data;      
2129
2130         /* This is a GDK lock because we are an idle callback and
2131          * because info->user_callback can contain Gtk+ code */
2132
2133         gdk_threads_enter (); /* CHECKED */
2134         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2135         gdk_threads_leave (); /* CHECKED */
2136
2137         g_slice_free (NotifyGetMsgsInfo, info);
2138
2139         return FALSE;
2140 }
2141
2142 /* 
2143  * Used by get_msgs_full_thread to free al the thread resources and to
2144  * call the destroy function for the passed user_data
2145  */
2146 static gboolean
2147 get_msgs_full_destroyer (gpointer data)
2148 {
2149         GetFullMsgsInfo *info;
2150
2151         info = (GetFullMsgsInfo *) data;
2152
2153         if (info->notify) {
2154
2155                 /* This is a GDK lock because we are an idle callback and
2156                  * because info->notify can contain Gtk+ code */
2157
2158                 gdk_threads_enter (); /* CHECKED */
2159                 info->notify (info->user_data);
2160                 gdk_threads_leave (); /* CHECKED */
2161         }
2162
2163         /* free */
2164         g_object_unref (info->headers);
2165         g_slice_free (GetFullMsgsInfo, info);
2166
2167         return FALSE;
2168 }
2169
2170 static gpointer
2171 get_msgs_full_thread (gpointer thr_user_data)
2172 {
2173         GetFullMsgsInfo *info;
2174         ModestMailOperationPrivate *priv = NULL;
2175         TnyIterator *iter = NULL;
2176         
2177         info = (GetFullMsgsInfo *) thr_user_data;       
2178         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2179
2180         iter = tny_list_create_iterator (info->headers);
2181         while (!tny_iterator_is_done (iter)) { 
2182                 TnyHeader *header;
2183                 TnyFolder *folder;
2184                 
2185                 header = TNY_HEADER (tny_iterator_get_current (iter));
2186                 folder = tny_header_get_folder (header);
2187                                 
2188                 /* Check for cached messages */
2189                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2190                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2191                 else 
2192                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2193
2194                 /* Get message from folder */
2195                 if (folder) {
2196                         TnyMsg *msg;
2197                         /* The callback will call it per each header */
2198                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2199
2200                         if (msg) {
2201                                 ModestMailOperationState *state;
2202                                 ModestPair *pair;
2203
2204                                 priv->done++;
2205
2206                                 /* notify progress */
2207                                 state = modest_mail_operation_clone_state (info->mail_op);
2208                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2209                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2210                                                  pair, (GDestroyNotify) modest_pair_free);
2211
2212                                 /* The callback is the responsible for
2213                                    freeing the message */
2214                                 if (info->user_callback) {
2215                                         NotifyGetMsgsInfo *info_notify;
2216                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2217                                         info_notify->user_callback = info->user_callback;
2218                                         info_notify->mail_op = info->mail_op;
2219                                         info_notify->header = g_object_ref (header);
2220                                         info_notify->msg = g_object_ref (msg);
2221                                         info_notify->user_data = info->user_data;
2222                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2223                                                          notify_get_msgs_full, 
2224                                                          info_notify, NULL);
2225                                 }
2226                                 g_object_unref (msg);
2227                         } 
2228                 } else {
2229                         /* Set status failed and set an error */
2230                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2231                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2232                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2233                                      "Error trying to get a message. No folder found for header");
2234                 }
2235
2236                 if (header)
2237                         g_object_unref (header);
2238                 
2239                 tny_iterator_next (iter);
2240         }
2241
2242         /* Set operation status */
2243         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2244                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2245
2246         /* Notify about operation end */
2247         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2248
2249         /* Free thread resources. Will be called after all previous idles */
2250         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2251
2252         return NULL;
2253 }
2254
2255 void 
2256 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2257                                      TnyList *header_list, 
2258                                      GetMsgAsyncUserCallback user_callback,
2259                                      gpointer user_data,
2260                                      GDestroyNotify notify)
2261 {
2262         TnyHeader *header = NULL;
2263         TnyFolder *folder = NULL;
2264         GThread *thread;
2265         ModestMailOperationPrivate *priv = NULL;
2266         GetFullMsgsInfo *info = NULL;
2267         gboolean size_ok = TRUE;
2268         gint max_size;
2269         TnyIterator *iter = NULL;
2270         
2271         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2272         
2273         /* Init mail operation */
2274         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2275         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2276         priv->done = 0;
2277         priv->total = tny_list_get_length(header_list);
2278
2279         /* Get account and set it into mail_operation */
2280         if (tny_list_get_length (header_list) >= 1) {
2281                 iter = tny_list_create_iterator (header_list);
2282                 header = TNY_HEADER (tny_iterator_get_current (iter));
2283                 if (header) {
2284                         folder = tny_header_get_folder (header);
2285                         if (folder) {           
2286                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2287
2288                                 g_object_unref (folder);
2289                         }
2290
2291                         g_object_unref (header);
2292                 }
2293
2294                 if (tny_list_get_length (header_list) == 1) {
2295                         g_object_unref (iter);
2296                         iter = NULL;
2297                 }
2298         }
2299
2300         /* Get msg size limit */
2301         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2302                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2303                                          &(priv->error));
2304         if (priv->error) {
2305                 g_clear_error (&(priv->error));
2306                 max_size = G_MAXINT;
2307         } else {
2308                 max_size = max_size * KB;
2309         }
2310
2311         /* Check message size limits. If there is only one message
2312            always retrieve it */
2313         if (iter != NULL) {
2314                 while (!tny_iterator_is_done (iter) && size_ok) {
2315                         header = TNY_HEADER (tny_iterator_get_current (iter));
2316                         if (header) {
2317                                 if (tny_header_get_message_size (header) >= max_size)
2318                                         size_ok = FALSE;
2319                                 g_object_unref (header);
2320                         }
2321
2322                         tny_iterator_next (iter);
2323                 }
2324                 g_object_unref (iter);
2325         }
2326
2327         if (size_ok) {
2328                 /* Create the info */
2329                 info = g_slice_new0 (GetFullMsgsInfo);
2330                 info->mail_op = self;
2331                 info->user_callback = user_callback;
2332                 info->user_data = user_data;
2333                 info->headers = g_object_ref (header_list);
2334                 info->notify = notify;
2335
2336                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2337         } else {
2338                 /* Set status failed and set an error */
2339                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2340                 /* FIXME: the error msg is different for pop */
2341                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2342                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2343                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2344                 /* Remove from queue and free resources */
2345                 modest_mail_operation_notify_end (self);
2346                 if (notify)
2347                         notify (user_data);
2348         }
2349 }
2350
2351
2352 void 
2353 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2354                                   TnyHeader *header,
2355                                   gboolean remove_to_trash /*ignored*/)
2356 {
2357         TnyFolder *folder;
2358         ModestMailOperationPrivate *priv;
2359
2360         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2361         g_return_if_fail (TNY_IS_HEADER (header));
2362
2363         if (remove_to_trash)
2364                 g_warning ("remove to trash is not implemented");
2365
2366         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2367         folder = tny_header_get_folder (header);
2368
2369         /* Get account and set it into mail_operation */
2370         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2371
2372         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2373
2374         /* remove message from folder */
2375         tny_folder_remove_msg (folder, header, &(priv->error));
2376         if (!priv->error) {
2377                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2378                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2379
2380                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2381 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2382                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2383                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2384 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2385                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2386                 else
2387                         /* local folders */
2388 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2389                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2390         }
2391         
2392         
2393         /* Set status */
2394         if (!priv->error)
2395                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2396         else
2397                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2398
2399         /* Free */
2400         g_object_unref (G_OBJECT (folder));
2401
2402         /* Notify about operation end */
2403         modest_mail_operation_notify_end (self);
2404 }
2405
2406 void 
2407 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2408                                    TnyList *headers,
2409                                   gboolean remove_to_trash /*ignored*/)
2410 {
2411         TnyFolder *folder;
2412         ModestMailOperationPrivate *priv;
2413         TnyIterator *iter = NULL;
2414         TnyHeader *header = NULL;
2415
2416         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2417         g_return_if_fail (TNY_IS_LIST (headers));
2418
2419         if (remove_to_trash)
2420                 g_warning ("remove to trash is not implemented");
2421
2422         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2423
2424         /* Get folder from first header and sync it */
2425         iter = tny_list_create_iterator (headers);
2426         header = TNY_HEADER (tny_iterator_get_current (iter));
2427         folder = tny_header_get_folder (header);
2428         
2429         /* Get account and set it into mail_operation */
2430         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2431
2432         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2433
2434         /* remove message from folder */
2435         tny_folder_remove_msgs (folder, headers, &(priv->error));
2436         if (!priv->error) {
2437                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder) || 
2438                     TNY_IS_CAMEL_POP_FOLDER (folder))
2439                         tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /* FALSE --> don't expunge */ 
2440                 else
2441                         /* local folders */
2442                         tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /* TRUE --> expunge */
2443         }
2444         
2445         
2446         /* Set status */
2447         if (!priv->error)
2448                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2449         else
2450                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2451
2452         /* Free */
2453         g_object_unref (header);
2454         g_object_unref (iter);
2455         g_object_unref (G_OBJECT (folder));
2456
2457         /* Notify about operation end */
2458         modest_mail_operation_notify_end (self);
2459 }
2460
2461
2462 static void
2463 transfer_msgs_status_cb (GObject *obj,
2464                          TnyStatus *status,  
2465                          gpointer user_data)
2466 {
2467         XFerMsgAsyncHelper *helper = NULL;
2468         ModestMailOperation *self;
2469         ModestMailOperationPrivate *priv;
2470         ModestMailOperationState *state;
2471
2472
2473         g_return_if_fail (status != NULL);
2474         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2475
2476         helper = (XFerMsgAsyncHelper *) user_data;
2477         g_return_if_fail (helper != NULL);       
2478
2479         self = helper->mail_op;
2480         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2481
2482         priv->done = status->position;
2483         priv->total = status->of_total;
2484
2485         state = modest_mail_operation_clone_state (self);
2486
2487         /* This is not a GDK lock because we are a Tinymail callback and
2488          * Tinymail already acquires the Gdk lock */
2489
2490         /* no gdk_threads_enter (), CHECKED */
2491
2492         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2493
2494         /* no gdk_threads_leave (), CHECKED */
2495
2496         g_slice_free (ModestMailOperationState, state);
2497 }
2498
2499
2500 static void
2501 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2502 {
2503         XFerMsgAsyncHelper *helper;
2504         ModestMailOperation *self;
2505         ModestMailOperationPrivate *priv;
2506         TnyIterator *iter = NULL;
2507         TnyHeader *header = NULL;
2508
2509         helper = (XFerMsgAsyncHelper *) user_data;
2510         self = helper->mail_op;
2511
2512         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2513
2514         if (err) {
2515                 priv->error = g_error_copy (err);
2516                 priv->done = 0;
2517                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2518         } else if (cancelled) {
2519                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2520                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2521                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2522                              _("Error trying to refresh the contents of %s"),
2523                              tny_folder_get_name (folder));
2524         } else {
2525                 priv->done = 1;
2526                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2527
2528                 /* Update folder counts */
2529                 tny_folder_poke_status (folder);                
2530                 tny_folder_poke_status (helper->dest_folder);           
2531         }
2532
2533         
2534         /* Mark headers as deleted and seen */
2535         if ((helper->delete) && 
2536             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2537                 iter = tny_list_create_iterator (helper->headers);
2538                 while (!tny_iterator_is_done (iter)) {
2539                         header = TNY_HEADER (tny_iterator_get_current (iter));
2540                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2541                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2542                         g_object_unref (header);
2543
2544                         tny_iterator_next (iter);
2545                 }
2546
2547         }
2548                 
2549
2550         /* Notify about operation end */
2551         modest_mail_operation_notify_end (self);
2552
2553         /* If user defined callback function was defined, call it */
2554         if (helper->user_callback) {
2555                 /* This is not a GDK lock because we are a Tinymail callback and
2556                  * Tinymail already acquires the Gdk lock */
2557
2558                 /* no gdk_threads_enter (), CHECKED */
2559                 helper->user_callback (self, helper->user_data);
2560                 /* no gdk_threads_leave (), CHECKED */
2561         }
2562
2563         /* Free */
2564         if (helper->headers)
2565                 g_object_unref (helper->headers);
2566         if (helper->dest_folder)
2567                 g_object_unref (helper->dest_folder);
2568         if (helper->mail_op)
2569                 g_object_unref (helper->mail_op);
2570         if (folder)
2571                 g_object_unref (folder);
2572         if (iter)
2573                 g_object_unref (iter);
2574         g_slice_free (XFerMsgAsyncHelper, helper);
2575 }
2576
2577 void
2578 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2579                                  TnyList *headers, 
2580                                  TnyFolder *folder, 
2581                                  gboolean delete_original,
2582                                  XferAsyncUserCallback user_callback,
2583                                  gpointer user_data)
2584 {
2585         ModestMailOperationPrivate *priv = NULL;
2586         TnyIterator *iter = NULL;
2587         TnyFolder *src_folder = NULL;
2588         XFerMsgAsyncHelper *helper = NULL;
2589         TnyHeader *header = NULL;
2590         ModestTnyFolderRules rules = 0;
2591
2592         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2593         g_return_if_fail (TNY_IS_LIST (headers));
2594         g_return_if_fail (TNY_IS_FOLDER (folder));
2595
2596         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2597         priv->total = 1;
2598         priv->done = 0;
2599         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2600
2601         /* Apply folder rules */
2602         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2603         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2604                 /* Set status failed and set an error */
2605                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2606                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2607                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2608                              _CS("ckct_ib_unable_to_paste_here"));
2609                 /* Notify the queue */
2610                 modest_mail_operation_notify_end (self);
2611                 return;
2612         }
2613                 
2614         /* Get source folder */
2615         iter = tny_list_create_iterator (headers);
2616         header = TNY_HEADER (tny_iterator_get_current (iter));
2617         if (header) {
2618                 src_folder = tny_header_get_folder (header);
2619                 g_object_unref (header);
2620         }
2621
2622         g_object_unref (iter);
2623
2624         /* Check folder source and destination */
2625         if (src_folder == folder) {
2626                 /* Set status failed and set an error */
2627                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2628                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2629                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2630                              _("mcen_ib_unable_to_copy_samefolder"));
2631                 
2632                 /* Notify the queue */
2633                 modest_mail_operation_notify_end (self);
2634                 
2635                 /* Free */
2636                 g_object_unref (src_folder);            
2637                 return;
2638         }
2639
2640         /* Create the helper */
2641         helper = g_slice_new0 (XFerMsgAsyncHelper);
2642         helper->mail_op = g_object_ref(self);
2643         helper->dest_folder = g_object_ref(folder);
2644         helper->headers = g_object_ref(headers);
2645         helper->user_callback = user_callback;
2646         helper->user_data = user_data;
2647         helper->delete = delete_original;
2648
2649         /* Get account and set it into mail_operation */
2650         priv->account = modest_tny_folder_get_account (src_folder);
2651
2652         /* Transfer messages */
2653         tny_folder_transfer_msgs_async (src_folder, 
2654                                         headers, 
2655                                         folder, 
2656                                         delete_original, 
2657                                         transfer_msgs_cb, 
2658                                         transfer_msgs_status_cb,
2659                                         helper);
2660 }
2661
2662
2663 static void
2664 on_refresh_folder (TnyFolder   *folder, 
2665                    gboolean     cancelled, 
2666                    GError     *error,
2667                    gpointer     user_data)
2668 {
2669         RefreshAsyncHelper *helper = NULL;
2670         ModestMailOperation *self = NULL;
2671         ModestMailOperationPrivate *priv = NULL;
2672
2673         helper = (RefreshAsyncHelper *) user_data;
2674         self = helper->mail_op;
2675         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2676
2677         g_return_if_fail(priv!=NULL);
2678
2679         if (error) {
2680                 priv->error = g_error_copy (error);
2681                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2682                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2683                        error->message);
2684                 goto out;
2685         }
2686
2687         if (cancelled) {
2688                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2689                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2690                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2691                              _("Error trying to refresh the contents of %s"),
2692                              tny_folder_get_name (folder));
2693                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2694                 goto out;
2695         }
2696
2697         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2698
2699         /* Call user defined callback, if it exists */
2700         if (helper->user_callback) {
2701
2702                 /* This is not a GDK lock because we are a Tinymail callback and
2703                  * Tinymail already acquires the Gdk lock */
2704                 helper->user_callback (self, folder, helper->user_data);
2705         }
2706
2707  out:
2708         /* Free */
2709         g_slice_free   (RefreshAsyncHelper, helper);
2710
2711         /* Notify about operation end */
2712         modest_mail_operation_notify_end (self);
2713         g_object_unref(self);
2714 }
2715
2716 static void
2717 on_refresh_folder_status_update (GObject *obj,
2718                                  TnyStatus *status,
2719                                  gpointer user_data)
2720 {
2721         RefreshAsyncHelper *helper = NULL;
2722         ModestMailOperation *self = NULL;
2723         ModestMailOperationPrivate *priv = NULL;
2724         ModestMailOperationState *state;
2725
2726         g_return_if_fail (user_data != NULL);
2727         g_return_if_fail (status != NULL);
2728         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2729
2730         helper = (RefreshAsyncHelper *) user_data;
2731         self = helper->mail_op;
2732         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2733
2734         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2735
2736         priv->done = status->position;
2737         priv->total = status->of_total;
2738
2739         state = modest_mail_operation_clone_state (self);
2740
2741         /* This is not a GDK lock because we are a Tinymail callback and
2742          * Tinymail already acquires the Gdk lock */
2743         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2744
2745         g_slice_free (ModestMailOperationState, state);
2746 }
2747
2748 void 
2749 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2750                                        TnyFolder *folder,
2751                                        RefreshAsyncUserCallback user_callback,
2752                                        gpointer user_data)
2753 {
2754         ModestMailOperationPrivate *priv = NULL;
2755         RefreshAsyncHelper *helper = NULL;
2756
2757         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2758
2759         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2760
2761         /* Get account and set it into mail_operation */
2762         priv->account = modest_tny_folder_get_account  (folder);
2763
2764         /* Create the helper */
2765         helper = g_slice_new0 (RefreshAsyncHelper);
2766         helper->mail_op = g_object_ref(self);
2767         helper->user_callback = user_callback;
2768         helper->user_data = user_data;
2769
2770         /* Refresh the folder. TODO: tinymail could issue a status
2771            updates before the callback call then this could happen. We
2772            must review the design */
2773         tny_folder_refresh_async (folder,
2774                                   on_refresh_folder,
2775                                   on_refresh_folder_status_update,
2776                                   helper);
2777 }
2778
2779 /**
2780  *
2781  * It's used by the mail operation queue to notify the observers
2782  * attached to that signal that the operation finished. We need to use
2783  * that because tinymail does not give us the progress of a given
2784  * operation when it finishes (it directly calls the operation
2785  * callback).
2786  */
2787 static void
2788 modest_mail_operation_notify_end (ModestMailOperation *self)
2789 {
2790         ModestMailOperationState *state;
2791         ModestMailOperationPrivate *priv = NULL;
2792
2793         g_return_if_fail (self);
2794
2795         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2796
2797         /* Set the account back to not busy */
2798         if (priv->account_name) {
2799                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2800                                                      priv->account_name, FALSE);
2801                 g_free(priv->account_name);
2802                 priv->account_name = NULL;
2803         }
2804         
2805         /* Notify the observers about the mail operation end */
2806         /* We do not wrapp this emission because we assume that this
2807            function is always called from within the main lock */
2808         state = modest_mail_operation_clone_state (self);
2809         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2810         g_slice_free (ModestMailOperationState, state);
2811 }