* Fixed an invalid g_object_ref without g_object_unref
[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 *folder = NULL;
830         TnyHeader *header = NULL;
831         ModestMailOperationPrivate *priv = NULL;
832         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
833
834         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
835         if (!msg) {
836                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
837                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
838                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
839                              "modest: failed to create a new msg\n");
840                 goto end;
841         }
842
843         folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
844         if (!folder) {
845                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
846                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
847                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
848                              "modest: failed to create a new msg\n");
849                 goto end;
850         }
851
852         if (!priv->error)
853                 tny_folder_add_msg (folder, msg, &(priv->error));
854
855         if ((!priv->error) && (info->draft_msg != NULL)) {
856                 header = tny_msg_get_header (info->draft_msg);
857                 src_folder = tny_header_get_folder (header); 
858
859                 /* Remove the old draft expunging it */
860                 tny_folder_remove_msg (src_folder, header, NULL);
861 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
862 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
863
864                 tny_folder_sync (folder, TRUE, &(priv->error)); /* FALSE --> don't expunge */
865                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
866
867                 g_object_unref (header);
868         }
869         
870         if (!priv->error)
871                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
872         else
873                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
874
875         if (info->edit_window)
876                 modest_msg_edit_window_set_draft (info->edit_window, msg);
877
878
879 end:
880         if (folder)
881                 g_object_unref (G_OBJECT(folder));
882         if (src_folder)
883                 g_object_unref (G_OBJECT(src_folder));
884         if (info->edit_window)
885                 g_object_unref (G_OBJECT(info->edit_window));
886         if (info->draft_msg)
887                 g_object_unref (G_OBJECT (info->draft_msg));
888         if (info->transport_account)
889                 g_object_unref (G_OBJECT(info->transport_account));
890         g_slice_free (SaveToDraftsInfo, info);
891
892         modest_mail_operation_notify_end (self);
893 }
894
895 void
896 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
897                                       TnyTransportAccount *transport_account,
898                                       TnyMsg *draft_msg,
899                                       ModestMsgEditWindow *edit_window,
900                                       const gchar *from,  const gchar *to,
901                                       const gchar *cc,  const gchar *bcc,
902                                       const gchar *subject, const gchar *plain_body,
903                                       const gchar *html_body,
904                                       const GList *attachments_list,
905                                       TnyHeaderFlags priority_flags)
906 {
907         ModestMailOperationPrivate *priv = NULL;
908         SaveToDraftsInfo *info = NULL;
909
910         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
911         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
912
913         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
914
915         /* Get account and set it into mail_operation */
916         priv->account = g_object_ref (transport_account);
917
918         info = g_slice_new0 (SaveToDraftsInfo);
919         info->transport_account = g_object_ref (transport_account);
920         info->draft_msg = draft_msg;
921         if (draft_msg)
922                 g_object_ref (draft_msg);
923         info->edit_window = edit_window;
924         if (edit_window)
925                 g_object_ref (edit_window);
926
927         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
928                                           attachments_list, priority_flags,
929                                           modest_mail_operation_save_to_drafts_cb, info);
930
931 }
932
933 typedef struct 
934 {
935         ModestMailOperation *mail_op;
936         TnyStoreAccount *account;
937         TnyTransportAccount *transport_account;
938         gint max_size;
939         gint retrieve_limit;
940         gchar *retrieve_type;
941         gchar *account_name;
942         UpdateAccountCallback callback;
943         gpointer user_data;
944         TnyList *new_headers;
945 } UpdateAccountInfo;
946
947 typedef struct
948 {
949         ModestMailOperation *mail_op;
950         TnyMimePart *mime_part;
951         gssize size;
952         GetMimePartSizeCallback callback;
953         gpointer userdata;
954 } GetMimePartSizeInfo;
955
956 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
957 /* We use this folder observer to track the headers that have been
958  * added to a folder */
959 typedef struct {
960         GObject parent;
961         TnyList *new_headers;
962 } InternalFolderObserver;
963
964 typedef struct {
965         GObjectClass parent;
966 } InternalFolderObserverClass;
967
968 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
969
970 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
971                          internal_folder_observer,
972                          G_TYPE_OBJECT,
973                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
974
975
976 static void
977 foreach_add_item (gpointer header, gpointer user_data)
978 {
979         tny_list_prepend (TNY_LIST (user_data), 
980                           g_object_ref (G_OBJECT (header)));
981 }
982
983 /* This is the method that looks for new messages in a folder */
984 static void
985 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
986 {
987         InternalFolderObserver *derived = (InternalFolderObserver *)self;
988         
989         TnyFolderChangeChanged changed;
990
991         changed = tny_folder_change_get_changed (change);
992
993         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
994                 TnyList *list;
995
996                 /* Get added headers */
997                 list = tny_simple_list_new ();
998                 tny_folder_change_get_added_headers (change, list);
999
1000                 /* Add them to the folder observer */
1001                 tny_list_foreach (list, foreach_add_item, 
1002                                   derived->new_headers);
1003
1004                 g_object_unref (G_OBJECT (list));
1005         }
1006 }
1007
1008 static void
1009 internal_folder_observer_init (InternalFolderObserver *self) 
1010 {
1011         self->new_headers = tny_simple_list_new ();
1012 }
1013 static void
1014 internal_folder_observer_finalize (GObject *object) 
1015 {
1016         InternalFolderObserver *self;
1017
1018         self = (InternalFolderObserver *) object;
1019         g_object_unref (self->new_headers);
1020
1021         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
1022 }
1023 static void
1024 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1025 {
1026         iface->update_func = internal_folder_observer_update;
1027 }
1028 static void
1029 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1030 {
1031         GObjectClass *object_class;
1032
1033         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1034         object_class = (GObjectClass*) klass;
1035         object_class->finalize = internal_folder_observer_finalize;
1036 }
1037
1038 /*****************/
1039
1040 static void
1041 recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all_folders)
1042 {
1043         TnyIterator *iter;
1044         TnyList *folders = tny_simple_list_new ();
1045
1046         tny_folder_store_get_folders (store, folders, query, NULL);
1047         iter = tny_list_create_iterator (folders);
1048
1049         while (!tny_iterator_is_done (iter)) {
1050
1051                 TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1052                 if (folder) {
1053                         tny_list_prepend (all_folders, G_OBJECT (folder));
1054                         recurse_folders (folder, query, all_folders);    
1055                         g_object_unref (G_OBJECT (folder));
1056                 }
1057
1058                 tny_iterator_next (iter);
1059         }
1060          g_object_unref (G_OBJECT (iter));
1061          g_object_unref (G_OBJECT (folders));
1062 }
1063
1064 /* 
1065  * Issues the "progress-changed" signal. The timer won't be removed,
1066  * so you must call g_source_remove to stop the signal emission
1067  */
1068 static gboolean
1069 idle_notify_progress (gpointer data)
1070 {
1071         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1072         ModestMailOperationState *state;
1073
1074         state = modest_mail_operation_clone_state (mail_op);
1075
1076         /* This is a GDK lock because we are an idle callback and
1077          * the handlers of this signal can contain Gtk+ code */
1078
1079         gdk_threads_enter (); /* CHECKED */
1080         g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1081         gdk_threads_leave (); /* CHECKED */
1082
1083         g_slice_free (ModestMailOperationState, state);
1084         
1085         return TRUE;
1086 }
1087
1088 /* 
1089  * Issues the "progress-changed" signal and removes the timer. It uses
1090  * a lock to ensure that the progress information of the mail
1091  * operation is not modified while there are notifications pending
1092  */
1093 static gboolean
1094 idle_notify_progress_once (gpointer data)
1095 {
1096         ModestPair *pair;
1097
1098         pair = (ModestPair *) data;
1099
1100         /* This is a GDK lock because we are an idle callback and
1101          * the handlers of this signal can contain Gtk+ code */
1102
1103         gdk_threads_enter (); /* CHECKED */
1104         g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
1105         gdk_threads_leave (); /* CHECKED */
1106
1107         /* Free the state and the reference to the mail operation */
1108         g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
1109         g_object_unref (pair->first);
1110
1111         return FALSE;
1112 }
1113
1114 /* 
1115  * Used to notify the queue from the main
1116  * loop. We call it inside an idle call to achieve that
1117  */
1118 static gboolean
1119 idle_notify_queue (gpointer data)
1120 {
1121         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1122
1123         /* Do not need to block, the notify end will do it for us */    
1124         modest_mail_operation_notify_end (mail_op);
1125         g_object_unref (mail_op);
1126
1127         return FALSE;
1128 }
1129
1130 static int
1131 compare_headers_by_date (gconstpointer a, 
1132                          gconstpointer b)
1133 {
1134         TnyHeader **header1, **header2;
1135         time_t sent1, sent2;
1136
1137         header1 = (TnyHeader **) a;
1138         header2 = (TnyHeader **) b;
1139
1140         sent1 = tny_header_get_date_sent (*header1);
1141         sent2 = tny_header_get_date_sent (*header2);
1142
1143         /* We want the most recent ones (greater time_t) at the
1144            beginning */
1145         if (sent1 < sent2)
1146                 return 1;
1147         else
1148                 return -1;
1149 }
1150
1151 static gboolean 
1152 set_last_updated_idle (gpointer data)
1153 {
1154
1155         /* This is a GDK lock because we are an idle callback and
1156          * modest_account_mgr_set_int can contain Gtk+ code */
1157
1158         gdk_threads_enter (); /* CHECKED - please recheck */
1159
1160         /* It does not matter if the time is not exactly the same than
1161            the time when this idle was called, it's just an
1162            approximation and it won't be very different */
1163
1164         modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
1165                                     (gchar *) data, 
1166                                     MODEST_ACCOUNT_LAST_UPDATED, 
1167                                     time(NULL), 
1168                                     TRUE);
1169
1170         gdk_threads_leave (); /* CHECKED - please recheck */
1171
1172         return FALSE;
1173 }
1174
1175 static gboolean
1176 idle_update_account_cb (gpointer data)
1177 {
1178         UpdateAccountInfo *idle_info;
1179
1180         idle_info = (UpdateAccountInfo *) data;
1181
1182         /* This is a GDK lock because we are an idle callback and
1183          * idle_info->callback can contain Gtk+ code */
1184
1185         gdk_threads_enter (); /* CHECKED */
1186         idle_info->callback (idle_info->mail_op,
1187                              idle_info->new_headers,
1188                              idle_info->user_data);
1189         gdk_threads_leave (); /* CHECKED */
1190
1191         /* Frees */
1192         g_object_unref (idle_info->mail_op);
1193         if (idle_info->new_headers)
1194                 g_object_unref (idle_info->new_headers);
1195         g_free (idle_info);
1196
1197         return FALSE;
1198 }
1199
1200 static TnyList *
1201 get_all_folders_from_account (TnyStoreAccount *account,
1202                               GError **error)
1203 {
1204         TnyList *all_folders = NULL;
1205         TnyIterator *iter = NULL;
1206         TnyFolderStoreQuery *query = NULL;
1207
1208         all_folders = tny_simple_list_new ();
1209         query = tny_folder_store_query_new ();
1210         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1211         tny_folder_store_get_folders (TNY_FOLDER_STORE (account),
1212                                       all_folders,
1213                                       query,
1214                                       error);
1215
1216         if (*error) {
1217                 if (all_folders)
1218                         g_object_unref (all_folders);
1219                 return NULL;
1220         }
1221
1222         iter = tny_list_create_iterator (all_folders);
1223         while (!tny_iterator_is_done (iter)) {
1224                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1225                 if (folder) {
1226                         recurse_folders (folder, query, all_folders);
1227                         g_object_unref (folder);
1228                 }
1229                 tny_iterator_next (iter);
1230         }
1231         g_object_unref (G_OBJECT (iter));
1232
1233         return all_folders;
1234 }
1235
1236
1237 static gpointer
1238 update_account_thread (gpointer thr_user_data)
1239 {
1240         static gboolean first_time = TRUE;
1241         UpdateAccountInfo *info = NULL;
1242         TnyList *all_folders = NULL, *new_headers = NULL;
1243         GPtrArray *new_headers_array = NULL;
1244         TnyIterator *iter = NULL;
1245         ModestMailOperationPrivate *priv = NULL;
1246         ModestTnySendQueue *send_queue = NULL;
1247         gint i = 0, timeout = 0;
1248
1249         info = (UpdateAccountInfo *) thr_user_data;
1250         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1251
1252         /* Get account and set it into mail_operation */
1253         priv->account = g_object_ref (info->account);
1254
1255         /* Get all the folders. We can do it synchronously because
1256            we're already running in a different thread than the UI */
1257         all_folders = get_all_folders_from_account (info->account, &(priv->error));
1258         if (!all_folders) {
1259                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1260                 goto out;
1261         }
1262
1263         /* Update status and notify. We need to call the notification
1264            with a source function in order to call it from the main
1265            loop. We need that in order not to get into trouble with
1266            Gtk+. We use a timeout in order to provide more status
1267            information, because the sync tinymail call does not
1268            provide it for the moment */
1269         timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1270
1271         new_headers_array = g_ptr_array_new ();
1272         iter = tny_list_create_iterator (all_folders);
1273
1274         while (!tny_iterator_is_done (iter) && !priv->error && 
1275                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1276
1277                 TnyFolderType folder_type;
1278                 TnyFolder *folder = NULL;
1279
1280                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
1281                 folder_type = tny_folder_get_folder_type (folder);
1282
1283                 /* Refresh it only if it's the INBOX */
1284                 if (folder_type == TNY_FOLDER_TYPE_INBOX) {
1285                         InternalFolderObserver *observer = NULL;
1286                         TnyIterator *new_headers_iter = NULL;
1287
1288                         /* Refresh the folder. Our observer receives
1289                          * the new emails during folder refreshes, so
1290                          * we can use observer->new_headers
1291                          */
1292                         observer = g_object_new (internal_folder_observer_get_type (), NULL);
1293                         tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1294                 
1295                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1296
1297                         new_headers_iter = tny_list_create_iterator (observer->new_headers);
1298                         while (!tny_iterator_is_done (new_headers_iter)) {
1299                                 TnyHeader *header = NULL;
1300
1301                                 header = TNY_HEADER (tny_iterator_get_current (new_headers_iter));
1302                                 /* Apply per-message size limits */
1303                                 if (tny_header_get_message_size (header) < info->max_size)
1304                                         g_ptr_array_add (new_headers_array, g_object_ref (header));
1305                                 
1306                                 g_object_unref (header);
1307                                 tny_iterator_next (new_headers_iter);
1308                         }
1309                         g_object_unref (new_headers_iter);
1310
1311                         tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1312                         g_object_unref (observer);
1313                 } else {
1314                         /* We no not need to do it the first time,
1315                            because it's automatically done by the tree
1316                            model */
1317                         if (G_LIKELY (!first_time))
1318                                 tny_folder_poke_status (folder);
1319                 }
1320                 g_object_unref (folder);
1321
1322                 tny_iterator_next (iter);
1323         }
1324         g_object_unref (G_OBJECT (iter));
1325         g_source_remove (timeout);
1326
1327         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1328             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1329             new_headers_array->len > 0) {
1330                 gint msg_num = 0;
1331
1332                 /* Order by date */
1333                 g_ptr_array_sort (new_headers_array, (GCompareFunc) compare_headers_by_date);
1334
1335                 /* TODO: Ask the user, instead of just failing,
1336                  * showing mail_nc_msg_count_limit_exceeded, with 'Get
1337                  * all' and 'Newest only' buttons. */
1338                 if (new_headers_array->len > info->retrieve_limit) {
1339                         /* TODO */
1340                 }
1341
1342                 /* Should be get only the headers or the message as well? */
1343                 if (g_ascii_strcasecmp (info->retrieve_type, 
1344                                         MODEST_ACCOUNT_RETRIEVE_VALUE_HEADERS_ONLY) != 0) {     
1345                         priv->done = 0;
1346                         priv->total = MIN (new_headers_array->len, info->retrieve_limit);
1347                         while (msg_num < priv->total) {
1348
1349                                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, msg_num));
1350                                 TnyFolder *folder = tny_header_get_folder (header);
1351                                 TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1352                                 ModestMailOperationState *state;
1353                                 ModestPair* pair;
1354
1355                                 priv->done++;
1356                                 /* We can not just use the mail operation because the
1357                                    values of done and total could change before the
1358                                    idle is called */
1359                                 state = modest_mail_operation_clone_state (info->mail_op);
1360                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1361                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1362                                                  pair, (GDestroyNotify) modest_pair_free);
1363
1364                                 g_object_unref (msg);
1365                                 g_object_unref (folder);
1366
1367                                 msg_num++;
1368                         }
1369                 }
1370         }
1371
1372         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1373                 goto out;
1374
1375         /* Copy the headers to a list and free the array */
1376         new_headers = tny_simple_list_new ();
1377         for (i=0; i < new_headers_array->len; i++) {
1378                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, i));
1379                 tny_list_append (new_headers, G_OBJECT (header));
1380         }
1381         g_ptr_array_foreach (new_headers_array, (GFunc) g_object_unref, NULL);
1382         g_ptr_array_free (new_headers_array, FALSE);
1383         
1384
1385         /* Perform send (if operation was not cancelled) */
1386         priv->done = 0;
1387         priv->total = 0;
1388         if (priv->account != NULL) 
1389                 g_object_unref (priv->account);
1390         priv->account = g_object_ref (info->transport_account);
1391         
1392         send_queue = modest_runtime_get_send_queue (info->transport_account);
1393         if (send_queue) {
1394                 modest_tny_send_queue_try_to_send (send_queue);
1395         } else {
1396                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1397                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1398                              "cannot create a send queue for %s\n", 
1399                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1400                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1401         }
1402         
1403         /* Check if the operation was a success */
1404         if (!priv->error) {
1405                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1406
1407                 /* Update the last updated key */
1408                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1409                                  set_last_updated_idle, 
1410                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1411                                  (GDestroyNotify) g_free);
1412         }
1413
1414  out:
1415
1416         if (info->callback) {
1417                 UpdateAccountInfo *idle_info;
1418
1419                 /* This thread is not in the main lock */
1420                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1421                 idle_info->mail_op = g_object_ref (info->mail_op);
1422                 idle_info->new_headers = (new_headers) ? g_object_ref (new_headers) : NULL;
1423                 idle_info->callback = info->callback;
1424                 idle_info->user_data = info->user_data;
1425                 g_idle_add (idle_update_account_cb, idle_info);
1426         }
1427
1428         /* Notify about operation end. Note that the info could be
1429            freed before this idle happens, but the mail operation will
1430            be still alive */
1431         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1432
1433         /* Frees */
1434         if (new_headers)
1435                 g_object_unref (new_headers);
1436         if (all_folders)
1437                 g_object_unref (all_folders);
1438         g_object_unref (info->account);
1439         g_object_unref (info->transport_account);
1440         g_free (info->retrieve_type);
1441         g_slice_free (UpdateAccountInfo, info);
1442
1443         first_time = FALSE;
1444
1445         return NULL;
1446 }
1447
1448 gboolean
1449 modest_mail_operation_update_account (ModestMailOperation *self,
1450                                       const gchar *account_name,
1451                                       UpdateAccountCallback callback,
1452                                       gpointer user_data)
1453 {
1454         GThread *thread = NULL;
1455         UpdateAccountInfo *info = NULL;
1456         ModestMailOperationPrivate *priv = NULL;
1457         ModestAccountMgr *mgr = NULL;
1458         TnyStoreAccount *store_account = NULL;
1459         TnyTransportAccount *transport_account = NULL;
1460
1461         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1462         g_return_val_if_fail (account_name, FALSE);
1463
1464         /* Init mail operation. Set total and done to 0, and do not
1465            update them, this way the progress objects will know that
1466            we have no clue about the number of the objects */
1467         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1468         priv->total = 0;
1469         priv->done  = 0;
1470         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1471
1472         /* Get the store account */
1473         store_account = (TnyStoreAccount *)
1474                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1475                                                                      account_name,
1476                                                                      TNY_ACCOUNT_TYPE_STORE);
1477                                                                      
1478         if (!store_account) {
1479                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1480                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1481                              "cannot get tny store account for %s\n", account_name);
1482                 goto error;
1483         }
1484
1485         
1486         /* Get the transport account, we can not do it in the thread
1487            due to some problems with dbus */
1488         transport_account = (TnyTransportAccount *)
1489                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1490                                                                                     account_name);
1491         if (!transport_account) {
1492                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1493                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1494                              "cannot get tny transport account for %s\n", account_name);
1495                 goto error;
1496         }
1497
1498         /* Create the helper object */
1499         info = g_slice_new (UpdateAccountInfo);
1500         info->mail_op = self;
1501         info->account = store_account;
1502         info->transport_account = transport_account;
1503         info->callback = callback;
1504         info->user_data = user_data;
1505
1506         /* Get the message size limit */
1507         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1508                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1509         if (info->max_size == 0)
1510                 info->max_size = G_MAXINT;
1511         else
1512                 info->max_size = info->max_size * KB;
1513
1514         /* Get per-account retrieval type */
1515         mgr = modest_runtime_get_account_mgr ();
1516         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1517                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1518
1519         /* Get per-account message amount retrieval limit */
1520         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1521                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1522         if (info->retrieve_limit == 0)
1523                 info->retrieve_limit = G_MAXINT;
1524                 
1525         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1526
1527         /* Set account busy */
1528         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1529         priv->account_name = g_strdup(account_name);
1530         
1531         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1532
1533         return TRUE;
1534
1535  error:
1536         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1537         if (callback) {
1538                 callback (self, NULL, user_data);
1539         }
1540         modest_mail_operation_notify_end (self);
1541         return FALSE;
1542 }
1543
1544 /* ******************************************************************* */
1545 /* ************************** STORE  ACTIONS ************************* */
1546 /* ******************************************************************* */
1547
1548
1549 TnyFolder *
1550 modest_mail_operation_create_folder (ModestMailOperation *self,
1551                                      TnyFolderStore *parent,
1552                                      const gchar *name)
1553 {
1554         ModestMailOperationPrivate *priv;
1555         TnyFolder *new_folder = NULL;
1556
1557         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1558         g_return_val_if_fail (name, NULL);
1559         
1560         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1561
1562         /* Check for already existing folder */
1563         if (modest_tny_folder_has_subfolder_with_name (parent, name)) {
1564                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1565                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1566                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1567                              _CS("ckdg_ib_folder_already_exists"));
1568         }
1569
1570         /* Check parent */
1571         if (TNY_IS_FOLDER (parent)) {
1572                 /* Check folder rules */
1573                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1574                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1575                         /* Set status failed and set an error */
1576                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1577                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1578                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1579                                      _("mail_in_ui_folder_create_error"));
1580                 }
1581         }
1582
1583         if (!strcmp (name, " ") || strchr (name, '/')) {
1584                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1585                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1586                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1587                              _("mail_in_ui_folder_create_error"));
1588         }
1589
1590         if (!priv->error) {
1591                 /* Create the folder */
1592                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1593                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1594                 if (!priv->error)
1595                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1596         }
1597
1598         /* Notify about operation end */
1599         modest_mail_operation_notify_end (self);
1600
1601         return new_folder;
1602 }
1603
1604 void
1605 modest_mail_operation_remove_folder (ModestMailOperation *self,
1606                                      TnyFolder           *folder,
1607                                      gboolean             remove_to_trash)
1608 {
1609         TnyAccount *account;
1610         ModestMailOperationPrivate *priv;
1611         ModestTnyFolderRules rules;
1612
1613         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1614         g_return_if_fail (TNY_IS_FOLDER (folder));
1615         
1616         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1617         
1618         /* Check folder rules */
1619         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1620         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1621                 /* Set status failed and set an error */
1622                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1623                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1624                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1625                              _("mail_in_ui_folder_delete_error"));
1626                 goto end;
1627         }
1628
1629         /* Get the account */
1630         account = modest_tny_folder_get_account (folder);
1631         priv->account = g_object_ref(account);
1632
1633         /* Delete folder or move to trash */
1634         if (remove_to_trash) {
1635                 TnyFolder *trash_folder = NULL;
1636                 trash_folder = modest_tny_account_get_special_folder (account,
1637                                                                       TNY_FOLDER_TYPE_TRASH);
1638                 /* TODO: error_handling */
1639                 if (trash_folder) {
1640                         modest_mail_operation_xfer_folder (self, folder,
1641                                                     TNY_FOLDER_STORE (trash_folder), 
1642                                                     TRUE, NULL, NULL);
1643                         g_object_unref (trash_folder);
1644                 }
1645         } else {
1646                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1647
1648                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1649                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1650
1651                 if (!priv->error)
1652                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1653
1654                 if (parent)
1655                         g_object_unref (G_OBJECT (parent));
1656         }
1657         g_object_unref (G_OBJECT (account));
1658
1659  end:
1660         /* Notify about operation end */
1661         modest_mail_operation_notify_end (self);
1662 }
1663
1664 static void
1665 transfer_folder_status_cb (GObject *obj,
1666                            TnyStatus *status,
1667                            gpointer user_data)
1668 {
1669         ModestMailOperation *self;
1670         ModestMailOperationPrivate *priv;
1671         ModestMailOperationState *state;
1672         XFerMsgAsyncHelper *helper;
1673
1674         g_return_if_fail (status != NULL);
1675         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1676
1677         helper = (XFerMsgAsyncHelper *) user_data;
1678         g_return_if_fail (helper != NULL);
1679
1680         self = helper->mail_op;
1681         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1682
1683         priv->done = status->position;
1684         priv->total = status->of_total;
1685
1686         state = modest_mail_operation_clone_state (self);
1687
1688         /* This is not a GDK lock because we are a Tinymail callback
1689          * which is already GDK locked by Tinymail */
1690
1691         /* no gdk_threads_enter (), CHECKED */
1692
1693         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1694
1695         /* no gdk_threads_leave (), CHECKED */
1696
1697         g_slice_free (ModestMailOperationState, state);
1698 }
1699
1700
1701 static void
1702 transfer_folder_cb (TnyFolder *folder, 
1703                     gboolean cancelled, 
1704                     TnyFolderStore *into, 
1705                     TnyFolder *new_folder, 
1706                     GError *err, 
1707                     gpointer user_data)
1708 {
1709         XFerMsgAsyncHelper *helper;
1710         ModestMailOperation *self = NULL;
1711         ModestMailOperationPrivate *priv = NULL;
1712
1713         helper = (XFerMsgAsyncHelper *) user_data;
1714         g_return_if_fail (helper != NULL);       
1715
1716         self = helper->mail_op;
1717         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1718
1719         if (err) {
1720                 priv->error = g_error_copy (err);
1721                 priv->done = 0;
1722                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1723         } else if (cancelled) {
1724                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1725                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1726                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1727                              _("Transference of %s was cancelled."),
1728                              tny_folder_get_name (folder));
1729         } else {
1730                 priv->done = 1;
1731                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1732         }
1733                 
1734         /* Notify about operation end */
1735         modest_mail_operation_notify_end (self);
1736
1737         /* If user defined callback function was defined, call it */
1738         if (helper->user_callback) {
1739
1740                 /* This is not a GDK lock because we are a Tinymail callback
1741                  * which is already GDK locked by Tinymail */
1742
1743                 /* no gdk_threads_enter (), CHECKED */
1744                 helper->user_callback (self, helper->user_data);
1745                 /* no gdk_threads_leave () , CHECKED */
1746         }
1747
1748         /* Free */
1749         g_object_unref (helper->mail_op);
1750         g_slice_free   (XFerMsgAsyncHelper, helper);
1751 }
1752
1753 /**
1754  *
1755  * This function checks if the new name is a valid name for our local
1756  * folders account. The new name could not be the same than then name
1757  * of any of the mandatory local folders
1758  *
1759  * We can not rely on tinymail because tinymail does not check the
1760  * name of the virtual folders that the account could have in the case
1761  * that we're doing a rename (because it directly calls Camel which
1762  * knows nothing about our virtual folders). 
1763  *
1764  * In the case of an actual copy/move (i.e. move/copy a folder between
1765  * accounts) tinymail uses the tny_folder_store_create_account which
1766  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1767  * checks the new name of the folder, so this call in that case
1768  * wouldn't be needed. *But* NOTE that if tinymail changes its
1769  * implementation (if folder transfers within the same account is no
1770  * longer implemented as a rename) this call will allow Modest to work
1771  * perfectly
1772  *
1773  * If the new name is not valid, this function will set the status to
1774  * failed and will set also an error in the mail operation
1775  */
1776 static gboolean
1777 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1778                                  TnyFolderStore *into,
1779                                  const gchar *new_name)
1780 {
1781         if (TNY_IS_ACCOUNT (into) && 
1782             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1783             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1784                                                                  new_name)) {
1785                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1786                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1787                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1788                              _("ckdg_ib_folder_already_exists"));
1789                 return FALSE;
1790         } else
1791                 return TRUE;
1792 }
1793
1794 void
1795 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1796                                    TnyFolder *folder,
1797                                    TnyFolderStore *parent,
1798                                    gboolean delete_original,
1799                                    XferAsyncUserCallback user_callback,
1800                                    gpointer user_data)
1801 {
1802         ModestMailOperationPrivate *priv = NULL;
1803         ModestTnyFolderRules parent_rules = 0, rules; 
1804         XFerMsgAsyncHelper *helper = NULL;
1805         const gchar *folder_name = NULL;
1806         const gchar *error_msg;
1807
1808         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1809         g_return_if_fail (TNY_IS_FOLDER (folder));
1810         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1811
1812         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1813         folder_name = tny_folder_get_name (folder);
1814
1815         /* Set the error msg */
1816         error_msg = _("mail_in_ui_folder_move_target_error");
1817
1818         /* Get account and set it into mail_operation */
1819         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1820         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1821
1822         /* Get folder rules */
1823         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1824         if (TNY_IS_FOLDER (parent))
1825                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1826         
1827         /* Apply operation constraints */
1828         if ((gpointer) parent == (gpointer) folder ||
1829             (!TNY_IS_FOLDER_STORE (parent)) || 
1830             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1831                 /* Folder rules */
1832                 goto error;
1833         } else if (TNY_IS_FOLDER (parent) && 
1834                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1835                 /* Folder rules */
1836                 goto error;
1837
1838         } else if (TNY_IS_FOLDER (parent) &&
1839                    TNY_IS_FOLDER_STORE (folder) &&
1840                    modest_tny_folder_is_ancestor (TNY_FOLDER (parent), 
1841                                                   TNY_FOLDER_STORE (folder))) {
1842                 /* Do not move a parent into a child */
1843                 goto error;
1844         } else if (TNY_IS_FOLDER_STORE (parent) &&
1845                    modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
1846                 /* Check that the new folder name is not used by any
1847                    parent subfolder */
1848                 goto error;     
1849         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1850                 /* Check that the new folder name is not used by any
1851                    special local folder */
1852                 goto error;
1853         } else {
1854                 /* Create the helper */
1855                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1856                 helper->mail_op = g_object_ref (self);
1857                 helper->dest_folder = NULL;
1858                 helper->headers = NULL;
1859                 helper->user_callback = user_callback;
1860                 helper->user_data = user_data;
1861                 
1862                 /* Move/Copy folder */
1863                 tny_folder_copy_async (folder,
1864                                        parent,
1865                                        tny_folder_get_name (folder),
1866                                        delete_original,
1867                                        transfer_folder_cb,
1868                                        transfer_folder_status_cb,
1869                                        helper);
1870                 return;
1871         }
1872
1873  error:
1874         /* Set status failed and set an error */
1875         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1876         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1877                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1878                      error_msg);
1879
1880         /* Call the user callback if exists */
1881         if (user_callback)
1882                 user_callback (self, user_data);
1883
1884         /* Notify the queue */
1885         modest_mail_operation_notify_end (self);
1886 }
1887
1888 void
1889 modest_mail_operation_rename_folder (ModestMailOperation *self,
1890                                      TnyFolder *folder,
1891                                      const gchar *name)
1892 {
1893         ModestMailOperationPrivate *priv;
1894         ModestTnyFolderRules rules;
1895         XFerMsgAsyncHelper *helper;
1896
1897         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1898         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1899         g_return_if_fail (name);
1900         
1901         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1902
1903         /* Get account and set it into mail_operation */
1904         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1905
1906         /* Check folder rules */
1907         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1908         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1909                 /* Set status failed and set an error */
1910                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1911                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1912                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1913                              _("FIXME: unable to rename"));
1914
1915                 /* Notify about operation end */
1916                 modest_mail_operation_notify_end (self);
1917         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1918                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1919                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1920                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1921                              _("FIXME: unable to rename"));
1922                 /* Notify about operation end */
1923                 modest_mail_operation_notify_end (self);
1924         } else {
1925                 TnyFolderStore *into;
1926
1927                 into = tny_folder_get_folder_store (folder);    
1928
1929                 /* Check that the new folder name is not used by any
1930                    special local folder */
1931                 if (new_name_valid_if_local_account (priv, into, name)) {
1932                         /* Create the helper */
1933                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1934                         helper->mail_op = g_object_ref(self);
1935                         helper->dest_folder = NULL;
1936                         helper->headers = NULL;
1937                         helper->user_callback = NULL;
1938                         helper->user_data = NULL;
1939                 
1940                         /* Rename. Camel handles folder subscription/unsubscription */
1941                         tny_folder_copy_async (folder, into, name, TRUE,
1942                                                transfer_folder_cb,
1943                                                transfer_folder_status_cb,
1944                                                helper);
1945                 } else {
1946                         modest_mail_operation_notify_end (self);
1947                 }
1948                 g_object_unref (into);
1949         }
1950 }
1951
1952 /* ******************************************************************* */
1953 /* **************************  MSG  ACTIONS  ************************* */
1954 /* ******************************************************************* */
1955
1956 void modest_mail_operation_get_msg (ModestMailOperation *self,
1957                                     TnyHeader *header,
1958                                     GetMsgAsyncUserCallback user_callback,
1959                                     gpointer user_data)
1960 {
1961         GetMsgAsyncHelper *helper = NULL;
1962         TnyFolder *folder;
1963         ModestMailOperationPrivate *priv;
1964         
1965         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1966         g_return_if_fail (TNY_IS_HEADER (header));
1967         
1968         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1969         folder = tny_header_get_folder (header);
1970
1971         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1972
1973         /* Get message from folder */
1974         if (folder) {
1975                 /* Get account and set it into mail_operation */
1976                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1977                 
1978                 /* Check for cached messages */
1979                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
1980                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
1981                 else 
1982                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1983
1984                 helper = g_slice_new0 (GetMsgAsyncHelper);
1985                 helper->mail_op = self;
1986                 helper->user_callback = user_callback;
1987                 helper->user_data = user_data;
1988                 helper->header = g_object_ref (header);
1989
1990                 // The callback's reference so that the mail op is not
1991                 // finalized until the async operation is completed even if
1992                 // the user canceled the request meanwhile.
1993                 g_object_ref (G_OBJECT (helper->mail_op));
1994
1995                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
1996
1997                 g_object_unref (G_OBJECT (folder));
1998         } else {
1999                 /* Set status failed and set an error */
2000                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2001                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2002                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2003                              _("Error trying to get a message. No folder found for header"));
2004
2005                 /* Notify the queue */
2006                 modest_mail_operation_notify_end (self);
2007         }
2008 }
2009
2010 static void
2011 get_msg_cb (TnyFolder *folder, 
2012             gboolean cancelled, 
2013             TnyMsg *msg, 
2014             GError *error, 
2015             gpointer user_data)
2016 {
2017         GetMsgAsyncHelper *helper = NULL;
2018         ModestMailOperation *self = NULL;
2019         ModestMailOperationPrivate *priv = NULL;
2020
2021         helper = (GetMsgAsyncHelper *) user_data;
2022         g_return_if_fail (helper != NULL);       
2023         self = helper->mail_op;
2024         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2025         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2026
2027         /* Check errors and cancel */
2028         if (error) {
2029                 priv->error = g_error_copy (error);
2030                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2031         } else if (cancelled) {
2032                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2033                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2034                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2035                              _("Error trying to refresh the contents of %s"),
2036                              tny_folder_get_name (folder));
2037         } else {
2038                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2039         }
2040
2041         /* If user defined callback function was defined, call it even
2042            if the operation failed*/
2043         if (helper->user_callback) {
2044                 /* This is not a GDK lock because we are a Tinymail callback
2045                  * which is already GDK locked by Tinymail */
2046
2047                 /* no gdk_threads_enter (), CHECKED */
2048                 helper->user_callback (self, helper->header, msg, helper->user_data);
2049                 /* no gdk_threads_leave (), CHECKED */
2050         }
2051
2052         /* Notify about operation end */
2053         modest_mail_operation_notify_end (self);
2054         /* Free */
2055         g_object_unref (helper->mail_op);
2056         g_object_unref (helper->header);
2057         g_slice_free (GetMsgAsyncHelper, helper);
2058                 
2059 }
2060
2061 static void     
2062 get_msg_status_cb (GObject *obj,
2063                    TnyStatus *status,  
2064                    gpointer user_data)
2065 {
2066         GetMsgAsyncHelper *helper = NULL;
2067         ModestMailOperation *self;
2068         ModestMailOperationPrivate *priv;
2069         ModestMailOperationState *state;
2070
2071         g_return_if_fail (status != NULL);
2072         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2073
2074         helper = (GetMsgAsyncHelper *) user_data;
2075         g_return_if_fail (helper != NULL);       
2076
2077         self = helper->mail_op;
2078         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2079
2080         priv->done = 1;
2081         priv->total = 1;
2082
2083         state = modest_mail_operation_clone_state (self);
2084         state->bytes_done = status->position;
2085         state->bytes_total = status->of_total;
2086
2087         /* This is not a GDK lock because we are a Tinymail callback
2088          * which is already GDK locked by Tinymail */
2089
2090         /* no gdk_threads_enter (), CHECKED */
2091         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2092         /* no gdk_threads_leave (), CHECKED */
2093
2094         g_slice_free (ModestMailOperationState, state);
2095 }
2096
2097 /****************************************************/
2098 typedef struct {
2099         ModestMailOperation *mail_op;
2100         TnyList *headers;
2101         GetMsgAsyncUserCallback user_callback;
2102         gpointer user_data;
2103         GDestroyNotify notify;
2104 } GetFullMsgsInfo;
2105
2106 typedef struct {
2107         GetMsgAsyncUserCallback user_callback;
2108         TnyHeader *header;
2109         TnyMsg *msg;
2110         gpointer user_data;
2111         ModestMailOperation *mail_op;
2112 } NotifyGetMsgsInfo;
2113
2114
2115 /* 
2116  * Used by get_msgs_full_thread to call the user_callback for each
2117  * message that has been read
2118  */
2119 static gboolean
2120 notify_get_msgs_full (gpointer data)
2121 {
2122         NotifyGetMsgsInfo *info;
2123
2124         info = (NotifyGetMsgsInfo *) data;      
2125
2126         /* This is a GDK lock because we are an idle callback and
2127          * because info->user_callback can contain Gtk+ code */
2128
2129         gdk_threads_enter (); /* CHECKED */
2130         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2131         gdk_threads_leave (); /* CHECKED */
2132
2133         g_slice_free (NotifyGetMsgsInfo, info);
2134
2135         return FALSE;
2136 }
2137
2138 /* 
2139  * Used by get_msgs_full_thread to free al the thread resources and to
2140  * call the destroy function for the passed user_data
2141  */
2142 static gboolean
2143 get_msgs_full_destroyer (gpointer data)
2144 {
2145         GetFullMsgsInfo *info;
2146
2147         info = (GetFullMsgsInfo *) data;
2148
2149         if (info->notify) {
2150
2151                 /* This is a GDK lock because we are an idle callback and
2152                  * because info->notify can contain Gtk+ code */
2153
2154                 gdk_threads_enter (); /* CHECKED */
2155                 info->notify (info->user_data);
2156                 gdk_threads_leave (); /* CHECKED */
2157         }
2158
2159         /* free */
2160         g_object_unref (info->headers);
2161         g_slice_free (GetFullMsgsInfo, info);
2162
2163         return FALSE;
2164 }
2165
2166 static gpointer
2167 get_msgs_full_thread (gpointer thr_user_data)
2168 {
2169         GetFullMsgsInfo *info;
2170         ModestMailOperationPrivate *priv = NULL;
2171         TnyIterator *iter = NULL;
2172         
2173         info = (GetFullMsgsInfo *) thr_user_data;       
2174         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2175
2176         iter = tny_list_create_iterator (info->headers);
2177         while (!tny_iterator_is_done (iter)) { 
2178                 TnyHeader *header;
2179                 TnyFolder *folder;
2180                 
2181                 header = TNY_HEADER (tny_iterator_get_current (iter));
2182                 folder = tny_header_get_folder (header);
2183                                 
2184                 /* Check for cached messages */
2185                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2186                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2187                 else 
2188                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2189
2190                 /* Get message from folder */
2191                 if (folder) {
2192                         TnyMsg *msg;
2193                         /* The callback will call it per each header */
2194                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2195
2196                         if (msg) {
2197                                 ModestMailOperationState *state;
2198                                 ModestPair *pair;
2199
2200                                 priv->done++;
2201
2202                                 /* notify progress */
2203                                 state = modest_mail_operation_clone_state (info->mail_op);
2204                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2205                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2206                                                  pair, (GDestroyNotify) modest_pair_free);
2207
2208                                 /* The callback is the responsible for
2209                                    freeing the message */
2210                                 if (info->user_callback) {
2211                                         NotifyGetMsgsInfo *info_notify;
2212                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2213                                         info_notify->user_callback = info->user_callback;
2214                                         info_notify->mail_op = info->mail_op;
2215                                         info_notify->header = g_object_ref (header);
2216                                         info_notify->msg = g_object_ref (msg);
2217                                         info_notify->user_data = info->user_data;
2218                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2219                                                          notify_get_msgs_full, 
2220                                                          info_notify, NULL);
2221                                 }
2222                                 g_object_unref (msg);
2223                         } 
2224                 } else {
2225                         /* Set status failed and set an error */
2226                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2227                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2228                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2229                                      "Error trying to get a message. No folder found for header");
2230                 }
2231
2232                 if (header)
2233                         g_object_unref (header);
2234                 
2235                 tny_iterator_next (iter);
2236         }
2237
2238         /* Set operation status */
2239         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2240                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2241
2242         /* Notify about operation end */
2243         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2244
2245         /* Free thread resources. Will be called after all previous idles */
2246         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2247
2248         return NULL;
2249 }
2250
2251 void 
2252 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2253                                      TnyList *header_list, 
2254                                      GetMsgAsyncUserCallback user_callback,
2255                                      gpointer user_data,
2256                                      GDestroyNotify notify)
2257 {
2258         TnyHeader *header = NULL;
2259         TnyFolder *folder = NULL;
2260         GThread *thread;
2261         ModestMailOperationPrivate *priv = NULL;
2262         GetFullMsgsInfo *info = NULL;
2263         gboolean size_ok = TRUE;
2264         gint max_size;
2265         TnyIterator *iter = NULL;
2266         
2267         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2268         
2269         /* Init mail operation */
2270         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2271         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2272         priv->done = 0;
2273         priv->total = tny_list_get_length(header_list);
2274
2275         /* Get account and set it into mail_operation */
2276         if (tny_list_get_length (header_list) >= 1) {
2277                 iter = tny_list_create_iterator (header_list);
2278                 header = TNY_HEADER (tny_iterator_get_current (iter));
2279                 if (header) {
2280                         folder = tny_header_get_folder (header);
2281                         if (folder) {           
2282                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2283
2284                                 g_object_unref (folder);
2285                         }
2286
2287                         g_object_unref (header);
2288                 }
2289
2290                 if (tny_list_get_length (header_list) == 1) {
2291                         g_object_unref (iter);
2292                         iter = NULL;
2293                 }
2294         }
2295
2296         /* Get msg size limit */
2297         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2298                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2299                                          &(priv->error));
2300         if (priv->error) {
2301                 g_clear_error (&(priv->error));
2302                 max_size = G_MAXINT;
2303         } else {
2304                 max_size = max_size * KB;
2305         }
2306
2307         /* Check message size limits. If there is only one message
2308            always retrieve it */
2309         if (iter != NULL) {
2310                 while (!tny_iterator_is_done (iter) && size_ok) {
2311                         header = TNY_HEADER (tny_iterator_get_current (iter));
2312                         if (header) {
2313                                 if (tny_header_get_message_size (header) >= max_size)
2314                                         size_ok = FALSE;
2315                                 g_object_unref (header);
2316                         }
2317
2318                         tny_iterator_next (iter);
2319                 }
2320                 g_object_unref (iter);
2321         }
2322
2323         if (size_ok) {
2324                 /* Create the info */
2325                 info = g_slice_new0 (GetFullMsgsInfo);
2326                 info->mail_op = self;
2327                 info->user_callback = user_callback;
2328                 info->user_data = user_data;
2329                 info->headers = g_object_ref (header_list);
2330                 info->notify = notify;
2331
2332                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2333         } else {
2334                 /* Set status failed and set an error */
2335                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2336                 /* FIXME: the error msg is different for pop */
2337                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2338                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2339                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2340                 /* Remove from queue and free resources */
2341                 modest_mail_operation_notify_end (self);
2342                 if (notify)
2343                         notify (user_data);
2344         }
2345 }
2346
2347
2348 void 
2349 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2350                                   TnyHeader *header,
2351                                   gboolean remove_to_trash /*ignored*/)
2352 {
2353         TnyFolder *folder;
2354         ModestMailOperationPrivate *priv;
2355
2356         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2357         g_return_if_fail (TNY_IS_HEADER (header));
2358
2359         if (remove_to_trash)
2360                 g_warning ("remove to trash is not implemented");
2361
2362         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2363         folder = tny_header_get_folder (header);
2364
2365         /* Get account and set it into mail_operation */
2366         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2367
2368         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2369
2370         /* remove message from folder */
2371         tny_folder_remove_msg (folder, header, &(priv->error));
2372         if (!priv->error) {
2373                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2374                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2375
2376                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2377 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2378                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2379                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2380 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2381                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2382                 else
2383                         /* local folders */
2384 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2385                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2386         }
2387         
2388         
2389         /* Set status */
2390         if (!priv->error)
2391                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2392         else
2393                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2394
2395         /* Free */
2396         g_object_unref (G_OBJECT (folder));
2397
2398         /* Notify about operation end */
2399         modest_mail_operation_notify_end (self);
2400 }
2401
2402 void 
2403 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2404                                    TnyList *headers,
2405                                   gboolean remove_to_trash /*ignored*/)
2406 {
2407         TnyFolder *folder;
2408         ModestMailOperationPrivate *priv;
2409         TnyIterator *iter = NULL;
2410         TnyHeader *header = NULL;
2411
2412         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2413         g_return_if_fail (TNY_IS_LIST (headers));
2414
2415         if (remove_to_trash)
2416                 g_warning ("remove to trash is not implemented");
2417
2418         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2419
2420         /* Get folder from first header and sync it */
2421         iter = tny_list_create_iterator (headers);
2422         header = TNY_HEADER (tny_iterator_get_current (iter));
2423         folder = tny_header_get_folder (header);
2424         
2425         /* Get account and set it into mail_operation */
2426         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2427
2428         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2429
2430         /* remove message from folder */
2431         tny_folder_remove_msgs (folder, headers, &(priv->error));
2432         if (!priv->error) {
2433                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder) || 
2434                     TNY_IS_CAMEL_POP_FOLDER (folder))
2435                         tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /* FALSE --> don't expunge */ 
2436                 else
2437                         /* local folders */
2438                         tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /* TRUE --> expunge */
2439         }
2440         
2441         
2442         /* Set status */
2443         if (!priv->error)
2444                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2445         else
2446                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2447
2448         /* Free */
2449         g_object_unref (header);
2450         g_object_unref (iter);
2451         g_object_unref (G_OBJECT (folder));
2452
2453         /* Notify about operation end */
2454         modest_mail_operation_notify_end (self);
2455 }
2456
2457
2458 static void
2459 transfer_msgs_status_cb (GObject *obj,
2460                          TnyStatus *status,  
2461                          gpointer user_data)
2462 {
2463         XFerMsgAsyncHelper *helper = NULL;
2464         ModestMailOperation *self;
2465         ModestMailOperationPrivate *priv;
2466         ModestMailOperationState *state;
2467
2468
2469         g_return_if_fail (status != NULL);
2470         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2471
2472         helper = (XFerMsgAsyncHelper *) user_data;
2473         g_return_if_fail (helper != NULL);       
2474
2475         self = helper->mail_op;
2476         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2477
2478         priv->done = status->position;
2479         priv->total = status->of_total;
2480
2481         state = modest_mail_operation_clone_state (self);
2482
2483         /* This is not a GDK lock because we are a Tinymail callback and
2484          * Tinymail already acquires the Gdk lock */
2485
2486         /* no gdk_threads_enter (), CHECKED */
2487
2488         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2489
2490         /* no gdk_threads_leave (), CHECKED */
2491
2492         g_slice_free (ModestMailOperationState, state);
2493 }
2494
2495
2496 static void
2497 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2498 {
2499         XFerMsgAsyncHelper *helper;
2500         ModestMailOperation *self;
2501         ModestMailOperationPrivate *priv;
2502         TnyIterator *iter = NULL;
2503         TnyHeader *header = NULL;
2504
2505         helper = (XFerMsgAsyncHelper *) user_data;
2506         self = helper->mail_op;
2507
2508         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2509
2510         if (err) {
2511                 priv->error = g_error_copy (err);
2512                 priv->done = 0;
2513                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2514         } else if (cancelled) {
2515                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2516                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2517                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2518                              _("Error trying to refresh the contents of %s"),
2519                              tny_folder_get_name (folder));
2520         } else {
2521                 priv->done = 1;
2522                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2523
2524                 /* Update folder counts */
2525                 tny_folder_poke_status (folder);                
2526                 tny_folder_poke_status (helper->dest_folder);           
2527         }
2528
2529         
2530         /* Mark headers as deleted and seen */
2531         if ((helper->delete) && 
2532             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2533                 iter = tny_list_create_iterator (helper->headers);
2534                 while (!tny_iterator_is_done (iter)) {
2535                         header = TNY_HEADER (tny_iterator_get_current (iter));
2536                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2537                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2538                         g_object_unref (header);
2539
2540                         tny_iterator_next (iter);
2541                 }
2542
2543         }
2544                 
2545
2546         /* Notify about operation end */
2547         modest_mail_operation_notify_end (self);
2548
2549         /* If user defined callback function was defined, call it */
2550         if (helper->user_callback) {
2551                 /* This is not a GDK lock because we are a Tinymail callback and
2552                  * Tinymail already acquires the Gdk lock */
2553
2554                 /* no gdk_threads_enter (), CHECKED */
2555                 helper->user_callback (self, helper->user_data);
2556                 /* no gdk_threads_leave (), CHECKED */
2557         }
2558
2559         /* Free */
2560         if (helper->headers)
2561                 g_object_unref (helper->headers);
2562         if (helper->dest_folder)
2563                 g_object_unref (helper->dest_folder);
2564         if (helper->mail_op)
2565                 g_object_unref (helper->mail_op);
2566         if (folder)
2567                 g_object_unref (folder);
2568         if (iter)
2569                 g_object_unref (iter);
2570         g_slice_free (XFerMsgAsyncHelper, helper);
2571 }
2572
2573 void
2574 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2575                                  TnyList *headers, 
2576                                  TnyFolder *folder, 
2577                                  gboolean delete_original,
2578                                  XferAsyncUserCallback user_callback,
2579                                  gpointer user_data)
2580 {
2581         ModestMailOperationPrivate *priv = NULL;
2582         TnyIterator *iter = NULL;
2583         TnyFolder *src_folder = NULL;
2584         XFerMsgAsyncHelper *helper = NULL;
2585         TnyHeader *header = NULL;
2586         ModestTnyFolderRules rules = 0;
2587
2588         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2589         g_return_if_fail (TNY_IS_LIST (headers));
2590         g_return_if_fail (TNY_IS_FOLDER (folder));
2591
2592         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2593         priv->total = 1;
2594         priv->done = 0;
2595         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2596
2597         /* Apply folder rules */
2598         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2599         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2600                 /* Set status failed and set an error */
2601                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2602                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2603                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2604                              _CS("ckct_ib_unable_to_paste_here"));
2605                 /* Notify the queue */
2606                 modest_mail_operation_notify_end (self);
2607                 return;
2608         }
2609                 
2610         /* Get source folder */
2611         iter = tny_list_create_iterator (headers);
2612         header = TNY_HEADER (tny_iterator_get_current (iter));
2613         if (header) {
2614                 src_folder = tny_header_get_folder (header);
2615                 g_object_unref (header);
2616         }
2617
2618         g_object_unref (iter);
2619
2620         /* Check folder source and destination */
2621         if (src_folder == folder) {
2622                 /* Set status failed and set an error */
2623                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2624                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2625                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2626                              _("mcen_ib_unable_to_copy_samefolder"));
2627                 
2628                 /* Notify the queue */
2629                 modest_mail_operation_notify_end (self);
2630                 
2631                 /* Free */
2632                 g_object_unref (src_folder);            
2633                 return;
2634         }
2635
2636         /* Create the helper */
2637         helper = g_slice_new0 (XFerMsgAsyncHelper);
2638         helper->mail_op = g_object_ref(self);
2639         helper->dest_folder = g_object_ref(folder);
2640         helper->headers = g_object_ref(headers);
2641         helper->user_callback = user_callback;
2642         helper->user_data = user_data;
2643         helper->delete = delete_original;
2644
2645         /* Get account and set it into mail_operation */
2646         priv->account = modest_tny_folder_get_account (src_folder);
2647
2648         /* Transfer messages */
2649         tny_folder_transfer_msgs_async (src_folder, 
2650                                         headers, 
2651                                         folder, 
2652                                         delete_original, 
2653                                         transfer_msgs_cb, 
2654                                         transfer_msgs_status_cb,
2655                                         helper);
2656 }
2657
2658
2659 static void
2660 on_refresh_folder (TnyFolder   *folder, 
2661                    gboolean     cancelled, 
2662                    GError     *error,
2663                    gpointer     user_data)
2664 {
2665         RefreshAsyncHelper *helper = NULL;
2666         ModestMailOperation *self = NULL;
2667         ModestMailOperationPrivate *priv = NULL;
2668
2669         helper = (RefreshAsyncHelper *) user_data;
2670         self = helper->mail_op;
2671         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2672
2673         g_return_if_fail(priv!=NULL);
2674
2675         if (error) {
2676                 priv->error = g_error_copy (error);
2677                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2678                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2679                        error->message);
2680                 goto out;
2681         }
2682
2683         if (cancelled) {
2684                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2685                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2686                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2687                              _("Error trying to refresh the contents of %s"),
2688                              tny_folder_get_name (folder));
2689                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2690                 goto out;
2691         }
2692
2693         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2694
2695         /* Call user defined callback, if it exists */
2696         if (helper->user_callback) {
2697
2698                 /* This is not a GDK lock because we are a Tinymail callback and
2699                  * Tinymail already acquires the Gdk lock */
2700                 helper->user_callback (self, folder, helper->user_data);
2701         }
2702
2703  out:
2704         /* Free */
2705         g_slice_free   (RefreshAsyncHelper, helper);
2706
2707         /* Notify about operation end */
2708         modest_mail_operation_notify_end (self);
2709         g_object_unref(self);
2710 }
2711
2712 static void
2713 on_refresh_folder_status_update (GObject *obj,
2714                                  TnyStatus *status,
2715                                  gpointer user_data)
2716 {
2717         RefreshAsyncHelper *helper = NULL;
2718         ModestMailOperation *self = NULL;
2719         ModestMailOperationPrivate *priv = NULL;
2720         ModestMailOperationState *state;
2721
2722         g_return_if_fail (user_data != NULL);
2723         g_return_if_fail (status != NULL);
2724         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2725
2726         helper = (RefreshAsyncHelper *) user_data;
2727         self = helper->mail_op;
2728         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2729
2730         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2731
2732         priv->done = status->position;
2733         priv->total = status->of_total;
2734
2735         state = modest_mail_operation_clone_state (self);
2736
2737         /* This is not a GDK lock because we are a Tinymail callback and
2738          * Tinymail already acquires the Gdk lock */
2739         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2740
2741         g_slice_free (ModestMailOperationState, state);
2742 }
2743
2744 void 
2745 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2746                                        TnyFolder *folder,
2747                                        RefreshAsyncUserCallback user_callback,
2748                                        gpointer user_data)
2749 {
2750         ModestMailOperationPrivate *priv = NULL;
2751         RefreshAsyncHelper *helper = NULL;
2752
2753         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2754
2755         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2756
2757         /* Get account and set it into mail_operation */
2758         priv->account = modest_tny_folder_get_account  (folder);
2759
2760         /* Create the helper */
2761         helper = g_slice_new0 (RefreshAsyncHelper);
2762         helper->mail_op = g_object_ref(self);
2763         helper->user_callback = user_callback;
2764         helper->user_data = user_data;
2765
2766         /* Refresh the folder. TODO: tinymail could issue a status
2767            updates before the callback call then this could happen. We
2768            must review the design */
2769         tny_folder_refresh_async (folder,
2770                                   on_refresh_folder,
2771                                   on_refresh_folder_status_update,
2772                                   helper);
2773 }
2774
2775 /**
2776  *
2777  * It's used by the mail operation queue to notify the observers
2778  * attached to that signal that the operation finished. We need to use
2779  * that because tinymail does not give us the progress of a given
2780  * operation when it finishes (it directly calls the operation
2781  * callback).
2782  */
2783 static void
2784 modest_mail_operation_notify_end (ModestMailOperation *self)
2785 {
2786         ModestMailOperationState *state;
2787         ModestMailOperationPrivate *priv = NULL;
2788
2789         g_return_if_fail (self);
2790
2791         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2792
2793         /* Set the account back to not busy */
2794         if (priv->account_name) {
2795                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2796                                                      priv->account_name, FALSE);
2797                 g_free(priv->account_name);
2798                 priv->account_name = NULL;
2799         }
2800         
2801         /* Notify the observers about the mail operation end */
2802         /* We do not wrapp this emission because we assume that this
2803            function is always called from within the main lock */
2804         state = modest_mail_operation_clone_state (self);
2805         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2806         g_slice_free (ModestMailOperationState, state);
2807 }