* src/modest-mail-operation.c:
[modest] / src / modest-mail-operation.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <string.h>
31 #include <stdarg.h>
32 #include <tny-mime-part.h>
33 #include <tny-store-account.h>
34 #include <tny-folder-store.h>
35 #include <tny-folder-store-query.h>
36 #include <tny-camel-stream.h>
37 #include <tny-camel-pop-store-account.h>
38 #include <tny-camel-pop-folder.h>
39 #include <tny-camel-imap-folder.h>
40 #include <tny-camel-mem-stream.h>
41 #include <tny-simple-list.h>
42 #include <tny-send-queue.h>
43 #include <tny-status.h>
44 #include <tny-folder-observer.h>
45 #include <camel/camel-stream-mem.h>
46 #include <glib/gi18n.h>
47 #include "modest-platform.h"
48 #include <modest-tny-account.h>
49 #include <modest-tny-send-queue.h>
50 #include <modest-runtime.h>
51 #include "modest-text-utils.h"
52 #include "modest-tny-msg.h"
53 #include "modest-tny-folder.h"
54 #include "modest-tny-account-store.h"
55 #include "modest-tny-platform-factory.h"
56 #include "modest-marshal.h"
57 #include "modest-error.h"
58 #include "modest-mail-operation.h"
59
60 #define KB 1024
61
62 /* 
63  * Remove all these #ifdef stuff when the tinymail's idle calls become
64  * locked
65  */
66 #define TINYMAIL_IDLES_NOT_LOCKED_YET 1
67
68 /* 'private'/'protected' functions */
69 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
70 static void modest_mail_operation_init       (ModestMailOperation *obj);
71 static void modest_mail_operation_finalize   (GObject *obj);
72
73 static void     get_msg_cb (TnyFolder *folder, 
74                             gboolean cancelled, 
75                             TnyMsg *msg, 
76                             GError *rr, 
77                             gpointer user_data);
78
79 static void     get_msg_status_cb (GObject *obj,
80                                    TnyStatus *status,  
81                                    gpointer user_data);
82
83 static void     modest_mail_operation_notify_end (ModestMailOperation *self);
84
85 enum _ModestMailOperationSignals 
86 {
87         PROGRESS_CHANGED_SIGNAL,
88
89         NUM_SIGNALS
90 };
91
92 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
93 struct _ModestMailOperationPrivate {
94         TnyAccount                 *account;
95         gchar                                                                            *account_name;
96         guint                      done;
97         guint                      total;
98         GObject                   *source;
99         GError                    *error;
100         ErrorCheckingUserCallback  error_checking;
101         gpointer                   error_checking_user_data;
102         ModestMailOperationStatus  status;      
103         ModestMailOperationTypeOperation op_type;
104 };
105
106 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
107                                                    MODEST_TYPE_MAIL_OPERATION, \
108                                                    ModestMailOperationPrivate))
109
110 #define CHECK_EXCEPTION(priv, new_status)  if (priv->error) {\
111                                                    priv->status = new_status;\
112                                                }
113
114 typedef struct _GetMsgAsyncHelper {     
115         ModestMailOperation *mail_op;
116         TnyHeader *header;
117         GetMsgAsyncUserCallback user_callback;  
118         gpointer user_data;
119 } GetMsgAsyncHelper;
120
121 typedef struct _RefreshAsyncHelper {    
122         ModestMailOperation *mail_op;
123         RefreshAsyncUserCallback user_callback; 
124         gpointer user_data;
125 } RefreshAsyncHelper;
126
127 typedef struct _XFerMsgAsyncHelper
128 {
129         ModestMailOperation *mail_op;
130         TnyList *headers;
131         TnyFolder *dest_folder;
132         XferMsgsAsynUserCallback user_callback; 
133         gboolean delete;
134         gpointer user_data;
135 } XFerMsgAsyncHelper;
136
137 typedef void (*ModestMailOperationCreateMsgCallback) (ModestMailOperation *mail_op,
138                                                       TnyMsg *msg,
139                                                       gpointer userdata);
140
141 static void          modest_mail_operation_create_msg (ModestMailOperation *self,
142                                                        const gchar *from, const gchar *to,
143                                                        const gchar *cc, const gchar *bcc,
144                                                        const gchar *subject, const gchar *plain_body,
145                                                        const gchar *html_body, const GList *attachments_list,
146                                                        TnyHeaderFlags priority_flags,
147                                                        ModestMailOperationCreateMsgCallback callback,
148                                                        gpointer userdata);
149
150 static gboolean      idle_notify_queue (gpointer data);
151 typedef struct
152 {
153         ModestMailOperation *mail_op;
154         gchar *from;
155         gchar *to;
156         gchar *cc;
157         gchar *bcc;
158         gchar *subject;
159         gchar *plain_body;
160         gchar *html_body;
161         GList *attachments_list;
162         TnyHeaderFlags priority_flags;
163         ModestMailOperationCreateMsgCallback callback;
164         gpointer userdata;
165 } CreateMsgInfo;
166
167 typedef struct
168 {
169         ModestMailOperation *mail_op;
170         TnyMsg *msg;
171         ModestMailOperationCreateMsgCallback callback;
172         gpointer userdata;
173 } CreateMsgIdleInfo;
174
175 /* globals */
176 static GObjectClass *parent_class = NULL;
177
178 static guint signals[NUM_SIGNALS] = {0};
179
180 GType
181 modest_mail_operation_get_type (void)
182 {
183         static GType my_type = 0;
184         if (!my_type) {
185                 static const GTypeInfo my_info = {
186                         sizeof(ModestMailOperationClass),
187                         NULL,           /* base init */
188                         NULL,           /* base finalize */
189                         (GClassInitFunc) modest_mail_operation_class_init,
190                         NULL,           /* class finalize */
191                         NULL,           /* class data */
192                         sizeof(ModestMailOperation),
193                         1,              /* n_preallocs */
194                         (GInstanceInitFunc) modest_mail_operation_init,
195                         NULL
196                 };
197                 my_type = g_type_register_static (G_TYPE_OBJECT,
198                                                   "ModestMailOperation",
199                                                   &my_info, 0);
200         }
201         return my_type;
202 }
203
204 static void
205 modest_mail_operation_class_init (ModestMailOperationClass *klass)
206 {
207         GObjectClass *gobject_class;
208         gobject_class = (GObjectClass*) klass;
209
210         parent_class            = g_type_class_peek_parent (klass);
211         gobject_class->finalize = modest_mail_operation_finalize;
212
213         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
214
215         /**
216          * ModestMailOperation::progress-changed
217          * @self: the #MailOperation that emits the signal
218          * @user_data: user data set when the signal handler was connected
219          *
220          * Emitted when the progress of a mail operation changes
221          */
222         signals[PROGRESS_CHANGED_SIGNAL] = 
223                 g_signal_new ("progress-changed",
224                               G_TYPE_FROM_CLASS (gobject_class),
225                               G_SIGNAL_RUN_FIRST,
226                               G_STRUCT_OFFSET (ModestMailOperationClass, progress_changed),
227                               NULL, NULL,
228                               g_cclosure_marshal_VOID__POINTER,
229                               G_TYPE_NONE, 1, G_TYPE_POINTER);
230
231 }
232
233 static void
234 modest_mail_operation_init (ModestMailOperation *obj)
235 {
236         ModestMailOperationPrivate *priv;
237
238         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
239
240         priv->account        = NULL;
241         priv->status         = MODEST_MAIL_OPERATION_STATUS_INVALID;
242         priv->op_type        = MODEST_MAIL_OPERATION_TYPE_UNKNOWN;
243         priv->error          = NULL;
244         priv->done           = 0;
245         priv->total          = 0;
246         priv->source         = NULL;
247         priv->error_checking = NULL;
248         priv->error_checking_user_data = NULL;
249 }
250
251 static void
252 modest_mail_operation_finalize (GObject *obj)
253 {
254         ModestMailOperationPrivate *priv;
255
256         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
257
258         
259         
260         if (priv->error) {
261                 g_error_free (priv->error);
262                 priv->error = NULL;
263         }
264         if (priv->source) {
265                 g_object_unref (priv->source);
266                 priv->source = NULL;
267         }
268         if (priv->account) {
269                 g_object_unref (priv->account);
270                 priv->account = NULL;
271         }
272
273
274         G_OBJECT_CLASS(parent_class)->finalize (obj);
275 }
276
277 ModestMailOperation*
278 modest_mail_operation_new (ModestMailOperationTypeOperation op_type, 
279                            GObject *source)
280 {
281         ModestMailOperation *obj;
282         ModestMailOperationPrivate *priv;
283                 
284         obj = MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
285         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
286
287         priv->op_type = op_type;
288         if (source != NULL)
289                 priv->source = g_object_ref(source);
290
291         return obj;
292 }
293
294 ModestMailOperation*
295 modest_mail_operation_new_with_error_handling (ModestMailOperationTypeOperation op_type,
296                                                GObject *source,
297                                                ErrorCheckingUserCallback error_handler,
298                                                gpointer user_data)
299 {
300         ModestMailOperation *obj;
301         ModestMailOperationPrivate *priv;
302                 
303         obj = modest_mail_operation_new (op_type, source);
304         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
305         
306         g_return_val_if_fail (error_handler != NULL, obj);
307         priv->error_checking = error_handler;
308         priv->error_checking_user_data = user_data;
309
310         return obj;
311 }
312
313 void
314 modest_mail_operation_execute_error_handler (ModestMailOperation *self)
315 {
316         ModestMailOperationPrivate *priv;
317         
318         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
319         g_return_if_fail(priv->status != MODEST_MAIL_OPERATION_STATUS_SUCCESS);     
320
321         if (priv->error_checking != NULL)
322                 priv->error_checking (self, priv->error_checking_user_data);
323 }
324
325
326 ModestMailOperationTypeOperation
327 modest_mail_operation_get_type_operation (ModestMailOperation *self)
328 {
329         ModestMailOperationPrivate *priv;
330
331         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
332         
333         return priv->op_type;
334 }
335
336 gboolean 
337 modest_mail_operation_is_mine (ModestMailOperation *self, 
338                                GObject *me)
339 {
340         ModestMailOperationPrivate *priv;
341
342         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
343         if (priv->source == NULL) return FALSE;
344
345         return priv->source == me;
346 }
347
348 GObject *
349 modest_mail_operation_get_source (ModestMailOperation *self)
350 {
351         ModestMailOperationPrivate *priv;
352
353         g_return_val_if_fail (self, NULL);
354         
355         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
356         if (!priv) {
357                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
358                 return NULL;
359         }
360         
361         return g_object_ref (priv->source);
362 }
363
364 ModestMailOperationStatus
365 modest_mail_operation_get_status (ModestMailOperation *self)
366 {
367         ModestMailOperationPrivate *priv;
368
369         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
370         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
371                               MODEST_MAIL_OPERATION_STATUS_INVALID);
372
373         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
374         if (!priv) {
375                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
376                 return MODEST_MAIL_OPERATION_STATUS_INVALID;
377         }
378         
379         return priv->status;
380 }
381
382 const GError *
383 modest_mail_operation_get_error (ModestMailOperation *self)
384 {
385         ModestMailOperationPrivate *priv;
386
387         g_return_val_if_fail (self, NULL);
388         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
389
390         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
391
392         if (!priv) {
393                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
394                 return NULL;
395         }
396
397         return priv->error;
398 }
399
400 gboolean 
401 modest_mail_operation_cancel (ModestMailOperation *self)
402 {
403         ModestMailOperationPrivate *priv;
404         gboolean canceled = FALSE;
405
406         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
407
408         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
409
410         /* Note that if we call cancel with an already canceled mail
411            operation the progress changed signal won't be emitted */
412         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
413                 return FALSE;
414
415         /* Set new status */
416         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
417         
418         /* Cancel the mail operation. We need to wrap it between this
419            start/stop operations to allow following calls to the
420            account */
421         g_return_val_if_fail (priv->account, FALSE);
422         tny_account_cancel (priv->account);
423
424         return canceled;
425 }
426
427 guint 
428 modest_mail_operation_get_task_done (ModestMailOperation *self)
429 {
430         ModestMailOperationPrivate *priv;
431
432         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
433
434         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
435         return priv->done;
436 }
437
438 guint 
439 modest_mail_operation_get_task_total (ModestMailOperation *self)
440 {
441         ModestMailOperationPrivate *priv;
442
443         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
444
445         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
446         return priv->total;
447 }
448
449 gboolean
450 modest_mail_operation_is_finished (ModestMailOperation *self)
451 {
452         ModestMailOperationPrivate *priv;
453         gboolean retval = FALSE;
454
455         if (!MODEST_IS_MAIL_OPERATION (self)) {
456                 g_warning ("%s: invalid parametter", G_GNUC_FUNCTION);
457                 return retval;
458         }
459
460         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
461
462         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
463             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
464             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
465             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
466                 retval = TRUE;
467         } else {
468                 retval = FALSE;
469         }
470
471         return retval;
472 }
473
474 guint
475 modest_mail_operation_get_id (ModestMailOperation *self)
476 {
477         ModestMailOperationPrivate *priv;
478
479         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
480
481         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
482         return priv->done;
483 }
484
485 guint 
486 modest_mail_operation_set_id (ModestMailOperation *self,
487                               guint id)
488 {
489         ModestMailOperationPrivate *priv;
490
491         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
492
493         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
494         return priv->done;
495 }
496
497 /*
498  * Creates an image of the current state of a mail operation, the
499  * caller must free it
500  */
501 static ModestMailOperationState *
502 modest_mail_operation_clone_state (ModestMailOperation *self)
503 {
504         ModestMailOperationState *state;
505         ModestMailOperationPrivate *priv;
506
507         /* FIXME: this should be fixed properly
508          * 
509          * in some cases, priv was NULL, so checking here to
510          * make sure.
511          */
512         g_return_val_if_fail (self, NULL);
513         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
514         g_return_val_if_fail (priv, NULL);
515
516         if (!priv)
517                 return NULL;
518
519         state = g_slice_new (ModestMailOperationState);
520
521         state->status = priv->status;
522         state->op_type = priv->op_type;
523         state->done = priv->done;
524         state->total = priv->total;
525         state->finished = modest_mail_operation_is_finished (self);
526         state->bytes_done = 0;
527         state->bytes_total = 0;
528
529         return state;
530 }
531
532 /* ******************************************************************* */
533 /* ************************** SEND   ACTIONS ************************* */
534 /* ******************************************************************* */
535
536 void
537 modest_mail_operation_send_mail (ModestMailOperation *self,
538                                  TnyTransportAccount *transport_account,
539                                  TnyMsg* msg)
540 {
541         TnySendQueue *send_queue = NULL;
542         ModestMailOperationPrivate *priv;
543         
544         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
545         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
546         g_return_if_fail (TNY_IS_MSG (msg));
547         
548         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
549
550         /* Get account and set it into mail_operation */
551         priv->account = g_object_ref (transport_account);
552         priv->done = 1;
553         priv->total = 1;
554
555         send_queue = TNY_SEND_QUEUE (modest_runtime_get_send_queue (transport_account));
556         if (!TNY_IS_SEND_QUEUE(send_queue)) {
557                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
558                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
559                              "modest: could not find send queue for account\n");
560                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
561
562         } else {
563                 /* TODO: connect to the msg-sent in order to know when
564                    the mail operation is finished */
565
566 /*              tny_send_queue_add (send_queue, msg, &(priv->error)); */
567                 modest_tny_send_queue_add (MODEST_TNY_SEND_QUEUE(send_queue), 
568                                            msg, 
569                                            &(priv->error));
570
571                 /* TODO: we're setting always success, do the check in
572                    the handler */
573                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
574         }
575
576         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)
577                 modest_platform_information_banner (NULL, NULL, _("mcen_ib_outbox_waiting_to_be_sent"));
578
579         /* TODO: do this in the handler of the "msg-sent"
580            signal.Notify about operation end */
581         modest_mail_operation_notify_end (self);
582 }
583
584 static gboolean
585 idle_create_msg_cb (gpointer idle_data)
586 {
587         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
588
589         /* This is a GDK lock because we are an idle callback and
590          * info->callback can contain Gtk+ code */
591
592         gdk_threads_enter (); /* CHECKED */
593         info->callback (info->mail_op, info->msg, info->userdata);
594
595         g_object_unref (info->mail_op);
596         if (info->msg)
597                 g_object_unref (info->msg);
598         g_slice_free (CreateMsgIdleInfo, info);
599         gdk_threads_leave (); /* CHECKED */
600
601         return FALSE;
602 }
603
604 static gpointer 
605 create_msg_thread (gpointer thread_data)
606 {
607         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
608         TnyMsg *new_msg = NULL;
609         ModestMailOperationPrivate *priv;
610
611         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
612         if (info->html_body == NULL) {
613                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
614                                               info->bcc, info->subject, info->plain_body, 
615                                               info->attachments_list); /* FIXME: attachments */
616         } else {
617                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
618                                                          info->bcc, info->subject, info->html_body,
619                                                          info->plain_body, info->attachments_list);
620         }
621
622         if (new_msg) {
623                 TnyHeader *header;
624                 TnyHeaderFlags flags = 0;
625
626                 /* Set priority flags in message */
627                 header = tny_msg_get_header (new_msg);
628                 if (info->priority_flags != 0)
629                         flags |= info->priority_flags;
630
631                 /* Set attachment flags in message */
632                 if (info->attachments_list != NULL)
633                         flags |= TNY_HEADER_FLAG_ATTACHMENTS;
634
635                 tny_header_set_flags (header, flags);
636                 g_object_unref (G_OBJECT(header));
637         } else {
638                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
639                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
640                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
641                              "modest: failed to create a new msg\n");
642         }
643
644
645         g_free (info->to);
646         g_free (info->from);
647         g_free (info->cc);
648         g_free (info->bcc);
649         g_free (info->plain_body);
650         g_free (info->html_body);
651         g_free (info->subject);
652         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
653         g_list_free (info->attachments_list);
654
655         if (info->callback) {
656                 CreateMsgIdleInfo *idle_info;
657                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
658                 idle_info->mail_op = info->mail_op;
659                 g_object_ref (info->mail_op);
660                 idle_info->msg = new_msg;
661                 if (new_msg)
662                         g_object_ref (new_msg);
663                 idle_info->callback = info->callback;
664                 idle_info->userdata = info->userdata;
665                 g_idle_add (idle_create_msg_cb, idle_info);
666         } else {
667                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
668         }
669
670         g_object_unref (info->mail_op);
671         g_slice_free (CreateMsgInfo, info);
672         return NULL;
673 }
674
675 void
676 modest_mail_operation_create_msg (ModestMailOperation *self,
677                                   const gchar *from, const gchar *to,
678                                   const gchar *cc, const gchar *bcc,
679                                   const gchar *subject, const gchar *plain_body,
680                                   const gchar *html_body,
681                                   const GList *attachments_list,
682                                   TnyHeaderFlags priority_flags,
683                                   ModestMailOperationCreateMsgCallback callback,
684                                   gpointer userdata)
685 {
686         CreateMsgInfo *info = NULL;
687
688         info = g_slice_new0 (CreateMsgInfo);
689         info->mail_op = self;
690         g_object_ref (self);
691
692         info->from = g_strdup (from);
693         info->to = g_strdup (to);
694         info->cc = g_strdup (cc);
695         info->bcc  = g_strdup (bcc);
696         info->subject = g_strdup (subject);
697         info->plain_body = g_strdup (plain_body);
698         info->html_body = g_strdup (html_body);
699         info->attachments_list = g_list_copy ((GList *) attachments_list);
700         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
701         info->priority_flags = priority_flags;
702
703         info->callback = callback;
704         info->userdata = userdata;
705
706         g_thread_create (create_msg_thread, info, FALSE, NULL);
707 }
708
709 typedef struct
710 {
711         TnyTransportAccount *transport_account;
712         TnyMsg *draft_msg;
713 } SendNewMailInfo;
714
715 static void
716 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
717                                         TnyMsg *msg,
718                                         gpointer userdata)
719 {
720         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
721         TnyFolder *draft_folder = NULL;
722         TnyFolder *outbox_folder = NULL;
723         TnyHeader *header;
724         GError *err = NULL;
725
726         if (!msg) {
727                 goto end;
728         }
729
730         /* Call mail operation */
731         modest_mail_operation_send_mail (self, info->transport_account, msg);
732
733         /* Remove old mail from its source folder */
734         draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
735         outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_OUTBOX);
736         if (info->draft_msg != NULL) {
737                 TnyFolder *folder = NULL;
738                 TnyFolder *src_folder = NULL;
739                 TnyFolderType folder_type;              
740                 folder = tny_msg_get_folder (info->draft_msg);          
741                 if (folder == NULL) goto end;
742                 folder_type = modest_tny_folder_guess_folder_type (folder);
743                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
744                         src_folder = outbox_folder;
745                 else 
746                         src_folder = draft_folder;
747
748                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
749                  * because this function requires it to have a UID. */          
750                 header = tny_msg_get_header (info->draft_msg);
751                 tny_folder_remove_msg (src_folder, header, NULL);
752
753                 tny_folder_sync (folder, TRUE, &err); /* FALSE --> don't expunge */
754 /*              tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /\* expunge *\/ */
755                 
756                 g_object_unref (header);
757                 g_object_unref (folder);
758         }
759
760 end:
761         if (err != NULL)
762                 g_error_free(err);      
763         if (info->draft_msg)
764                 g_object_unref (info->draft_msg);
765         if (draft_folder)
766                 g_object_unref (draft_folder);
767         if (outbox_folder)
768                 g_object_unref (outbox_folder);
769         if (info->transport_account)
770                 g_object_unref (info->transport_account);
771         g_slice_free (SendNewMailInfo, info);
772         modest_mail_operation_notify_end (self);
773 }
774
775 void
776 modest_mail_operation_send_new_mail (ModestMailOperation *self,
777                                      TnyTransportAccount *transport_account,
778                                      TnyMsg *draft_msg,
779                                      const gchar *from,  const gchar *to,
780                                      const gchar *cc,  const gchar *bcc,
781                                      const gchar *subject, const gchar *plain_body,
782                                      const gchar *html_body,
783                                      const GList *attachments_list,
784                                      TnyHeaderFlags priority_flags)
785 {
786         ModestMailOperationPrivate *priv = NULL;
787         SendNewMailInfo *info;
788
789         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
790         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
791
792         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
793
794         /* Check parametters */
795         if (to == NULL) {
796                 /* Set status failed and set an error */
797                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
798                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
799                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
800                              _("Error trying to send a mail. You need to set at least one recipient"));
801                 return;
802         }
803         info = g_slice_new0 (SendNewMailInfo);
804         info->transport_account = transport_account;
805         if (transport_account)
806                 g_object_ref (transport_account);
807         info->draft_msg = draft_msg;
808         if (draft_msg)
809                 g_object_ref (draft_msg);
810         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
811                                           attachments_list, priority_flags,
812                                           modest_mail_operation_send_new_mail_cb, info);
813
814 }
815
816 typedef struct
817 {
818         TnyTransportAccount *transport_account;
819         TnyMsg *draft_msg;
820         ModestMsgEditWindow *edit_window;
821 } SaveToDraftsInfo;
822
823 static void
824 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
825                                          TnyMsg *msg,
826                                          gpointer userdata)
827 {
828         TnyFolder *src_folder = NULL;
829         TnyFolder *folder = NULL;
830         TnyHeader *header = NULL;
831         ModestMailOperationPrivate *priv = NULL;
832         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
833
834         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
835         if (!msg) {
836                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
837                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
838                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
839                              "modest: failed to create a new msg\n");
840                 goto end;
841         }
842
843         folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
844         if (!folder) {
845                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
846                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
847                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
848                              "modest: failed to create a new msg\n");
849                 goto end;
850         }
851
852         if (!priv->error)
853                 tny_folder_add_msg (folder, msg, &(priv->error));
854
855         if ((!priv->error) && (info->draft_msg != NULL)) {
856                 header = tny_msg_get_header (info->draft_msg);
857                 src_folder = tny_header_get_folder (header); 
858
859                 /* Remove the old draft expunging it */
860                 tny_folder_remove_msg (src_folder, header, NULL);
861 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
862 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
863
864                 tny_folder_sync (folder, TRUE, &(priv->error)); /* FALSE --> don't expunge */
865                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
866
867                 g_object_unref (header);
868         }
869         
870         if (!priv->error)
871                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
872         else
873                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
874
875         if (info->edit_window)
876                 modest_msg_edit_window_set_draft (info->edit_window, msg);
877
878
879 end:
880         if (folder)
881                 g_object_unref (G_OBJECT(folder));
882         if (src_folder)
883                 g_object_unref (G_OBJECT(src_folder));
884         if (info->edit_window)
885                 g_object_unref (G_OBJECT(info->edit_window));
886         if (info->draft_msg)
887                 g_object_unref (G_OBJECT (info->draft_msg));
888         if (info->transport_account)
889                 g_object_unref (G_OBJECT(info->transport_account));
890         g_slice_free (SaveToDraftsInfo, info);
891
892         modest_mail_operation_notify_end (self);
893 }
894
895 void
896 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
897                                       TnyTransportAccount *transport_account,
898                                       TnyMsg *draft_msg,
899                                       ModestMsgEditWindow *edit_window,
900                                       const gchar *from,  const gchar *to,
901                                       const gchar *cc,  const gchar *bcc,
902                                       const gchar *subject, const gchar *plain_body,
903                                       const gchar *html_body,
904                                       const GList *attachments_list,
905                                       TnyHeaderFlags priority_flags)
906 {
907         ModestMailOperationPrivate *priv = NULL;
908         SaveToDraftsInfo *info = NULL;
909
910         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
911         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
912
913         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
914
915         /* Get account and set it into mail_operation */
916         priv->account = g_object_ref (transport_account);
917
918         info = g_slice_new0 (SaveToDraftsInfo);
919         info->transport_account = g_object_ref (transport_account);
920         info->draft_msg = draft_msg;
921         if (draft_msg)
922                 g_object_ref (draft_msg);
923         info->edit_window = edit_window;
924         if (edit_window)
925                 g_object_ref (edit_window);
926
927         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
928                                           attachments_list, priority_flags,
929                                           modest_mail_operation_save_to_drafts_cb, info);
930
931 }
932
933 typedef struct 
934 {
935         ModestMailOperation *mail_op;
936         TnyStoreAccount *account;
937         TnyTransportAccount *transport_account;
938         gint max_size;
939         gint retrieve_limit;
940         gchar *retrieve_type;
941         gchar *account_name;
942         UpdateAccountCallback callback;
943         gpointer user_data;
944         gint 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         g_free (idle_info);
1194
1195         return FALSE;
1196 }
1197
1198
1199 static gpointer
1200 update_account_thread (gpointer thr_user_data)
1201 {
1202         static gboolean first_time = TRUE;
1203         UpdateAccountInfo *info = NULL;
1204         TnyList *all_folders = NULL;
1205         GPtrArray *new_headers = NULL;
1206         TnyIterator *iter = NULL;
1207         TnyFolderStoreQuery *query = NULL;
1208         ModestMailOperationPrivate *priv = NULL;
1209         ModestTnySendQueue *send_queue = NULL;
1210         gint num_new_headers = 0;
1211
1212         info = (UpdateAccountInfo *) thr_user_data;
1213         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1214
1215         /* Get account and set it into mail_operation */
1216         priv->account = g_object_ref (info->account);
1217
1218         /*
1219          * Previousl, we did this for POP3, to do a logout-login upon send/receive, 
1220          * because many POP-servers (like Gmail) do not
1221          * show any updates unless we do that.
1222          * But that didn't work with gmail anyway, 
1223          * and tinymail now takes care of this itself by disconnecting 
1224          * automatically after using the connection.
1225          */
1226         /*
1227         if (!first_time && TNY_IS_CAMEL_POP_STORE_ACCOUNT (priv->account)) 
1228                 tny_camel_pop_store_account_reconnect (TNY_CAMEL_POP_STORE_ACCOUNT(priv->account));
1229         */
1230
1231         /* Get all the folders. We can do it synchronously because
1232            we're already running in a different thread than the UI */
1233         all_folders = tny_simple_list_new ();
1234         query = tny_folder_store_query_new ();
1235         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1236         tny_folder_store_get_folders (TNY_FOLDER_STORE (info->account),
1237                                       all_folders,
1238                                       query,
1239                                       &(priv->error));
1240         if (priv->error) {
1241                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1242                 goto out;
1243         }
1244
1245         iter = tny_list_create_iterator (all_folders);
1246         while (!tny_iterator_is_done (iter)) {
1247                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1248                 if (folder) {
1249                         recurse_folders (folder, query, all_folders);
1250                         g_object_unref (folder);
1251                 }
1252                 tny_iterator_next (iter);
1253         }
1254         g_object_unref (G_OBJECT (iter));
1255
1256         /* Update status and notify. We need to call the notification
1257            with a source function in order to call it from the main
1258            loop. We need that in order not to get into trouble with
1259            Gtk+. We use a timeout in order to provide more status
1260            information, because the sync tinymail call does not
1261            provide it for the moment */
1262         gint timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1263
1264         /* Refresh folders */
1265         num_new_headers = 0;
1266         new_headers = g_ptr_array_new ();
1267         iter = tny_list_create_iterator (all_folders);
1268
1269         while (!tny_iterator_is_done (iter) && !priv->error && 
1270                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1271
1272                 InternalFolderObserver *observer;
1273                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1274
1275                 /* Refresh the folder */
1276                 /* Our observer receives notification of new emails during folder refreshes,
1277                  * so we can use observer->new_headers.
1278                  */
1279                 observer = g_object_new (internal_folder_observer_get_type (), NULL);
1280                 tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1281                 
1282                 /* This gets the status information (headers) from the server.
1283                  * We use the blocking version, because we are already in a separate 
1284                  * thread.
1285                  */
1286
1287                 if (!g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES) || 
1288                     !g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES_AND_ATTACHMENTS)) {
1289                         TnyIterator *iter;
1290
1291                         /* If the retrieve type is full messages, refresh and get the messages */
1292                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1293
1294                         iter = tny_list_create_iterator (observer->new_headers);
1295                         while (!tny_iterator_is_done (iter)) {
1296                                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
1297                                  
1298                                 /* Apply per-message size limits */
1299                                 if (tny_header_get_message_size (header) < info->max_size)
1300                                         g_ptr_array_add (new_headers, g_object_ref (header));
1301
1302                                 g_object_unref (header);
1303                                 tny_iterator_next (iter);
1304                         }
1305                         g_object_unref (iter);
1306                 } else {
1307                         /* We do not need to do it the first time
1308                            because it's automatically done by the tree
1309                            model */
1310                         if (G_UNLIKELY (!first_time))
1311                                 tny_folder_poke_status (TNY_FOLDER (folder));
1312                 }
1313
1314                 tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1315                 g_object_unref (observer);
1316                 observer = NULL;                        
1317
1318                 if (folder)
1319                         g_object_unref (G_OBJECT (folder));
1320
1321                 if (priv->error)
1322                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1323
1324                 tny_iterator_next (iter);
1325         }
1326
1327         g_object_unref (G_OBJECT (iter));
1328         g_source_remove (timeout);
1329
1330         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1331             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1332             new_headers->len > 0) {
1333                 gint msg_num = 0;
1334
1335                 /* Order by date */
1336                 g_ptr_array_sort (new_headers, (GCompareFunc) compare_headers_by_date);
1337
1338                 /* Apply message count limit */
1339                 /* If the number of messages exceeds the maximum, ask the
1340                  * user to download them all,
1341                  * as per the UI spec "Retrieval Limits" section in 4.4: 
1342                  */
1343                 if (new_headers->len > info->retrieve_limit) {
1344                         /* TODO: Ask the user, instead of just
1345                          * failing, showing
1346                          * mail_nc_msg_count_limit_exceeded, with 'Get
1347                          * all' and 'Newest only' buttons. */
1348                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1349                              MODEST_MAIL_OPERATION_ERROR_RETRIEVAL_NUMBER_LIMIT,
1350                              "The number of messages to retrieve exceeds the chosen limit for account %s\n", 
1351                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1352                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1353                         goto out;
1354                 }
1355                 
1356                 priv->done = 0;
1357                 priv->total = MIN (new_headers->len, info->retrieve_limit);
1358                 while (msg_num < priv->total) {
1359
1360                         TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers, msg_num));
1361                         TnyFolder *folder = tny_header_get_folder (header);
1362                         TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1363                         ModestMailOperationState *state;
1364                         ModestPair* pair;
1365
1366                         priv->done++;
1367                         /* We can not just use the mail operation because the
1368                            values of done and total could change before the
1369                            idle is called */
1370                         state = modest_mail_operation_clone_state (info->mail_op);
1371                         pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1372                         g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1373                                          pair, (GDestroyNotify) modest_pair_free);
1374
1375                         g_object_unref (msg);
1376                         g_object_unref (folder);
1377
1378                         msg_num++;
1379                 }
1380         }
1381
1382         /* Get the number of new headers and free them */
1383         num_new_headers = new_headers->len;
1384         g_ptr_array_foreach (new_headers, (GFunc) g_object_unref, NULL);
1385         g_ptr_array_free (new_headers, FALSE);
1386         
1387         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1388                 goto out;
1389
1390         /* Perform send (if operation was not cancelled) */
1391         priv->done = 0;
1392         priv->total = 0;
1393         if (priv->account != NULL) 
1394                 g_object_unref (priv->account);
1395         priv->account = g_object_ref (info->transport_account);
1396         
1397         send_queue = modest_runtime_get_send_queue (info->transport_account);
1398         if (send_queue) {
1399                 modest_tny_send_queue_try_to_send (send_queue);
1400         } else {
1401                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1402                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1403                              "cannot create a send queue for %s\n", 
1404                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1405                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1406         }
1407         
1408         /* Check if the operation was a success */
1409         if (!priv->error) {
1410                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1411
1412                 /* Update the last updated key */
1413                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1414                                  set_last_updated_idle, 
1415                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1416                                  (GDestroyNotify) g_free);
1417         }
1418
1419  out:
1420
1421         if (info->callback) {
1422                 UpdateAccountInfo *idle_info;
1423
1424                 /* This thread is not in the main lock */
1425                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1426                 idle_info->mail_op = g_object_ref (info->mail_op);
1427                 idle_info->new_headers = num_new_headers;
1428                 idle_info->callback = info->callback;
1429                 idle_info->user_data = info->user_data;
1430                 g_idle_add (idle_update_account_cb, idle_info);
1431         }
1432
1433         /* Notify about operation end. Note that the info could be
1434            freed before this idle happens, but the mail operation will
1435            be still alive */
1436         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1437
1438         /* Frees */
1439         g_object_unref (query);
1440         g_object_unref (all_folders);
1441         g_object_unref (info->account);
1442         g_object_unref (info->transport_account);
1443         g_free (info->retrieve_type);
1444         g_slice_free (UpdateAccountInfo, info);
1445
1446         first_time = FALSE;
1447
1448         return NULL;
1449 }
1450
1451 gboolean
1452 modest_mail_operation_update_account (ModestMailOperation *self,
1453                                       const gchar *account_name,
1454                                       UpdateAccountCallback callback,
1455                                       gpointer user_data)
1456 {
1457         GThread *thread = NULL;
1458         UpdateAccountInfo *info = NULL;
1459         ModestMailOperationPrivate *priv = NULL;
1460         ModestAccountMgr *mgr = NULL;
1461         TnyStoreAccount *store_account = NULL;
1462         TnyTransportAccount *transport_account = NULL;
1463
1464         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1465         g_return_val_if_fail (account_name, FALSE);
1466
1467         /* Init mail operation. Set total and done to 0, and do not
1468            update them, this way the progress objects will know that
1469            we have no clue about the number of the objects */
1470         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1471         priv->total = 0;
1472         priv->done  = 0;
1473         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1474
1475         /* Get the Modest account */
1476         store_account = (TnyStoreAccount *)
1477                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1478                                                                      account_name,
1479                                                                      TNY_ACCOUNT_TYPE_STORE);
1480                                                                      
1481         /* Make sure that we have a connection, and request one 
1482          * if necessary:
1483          * TODO: Is there some way to trigger this for every attempt to 
1484          * use the network? */
1485         if (!modest_platform_connect_and_wait (NULL, TNY_ACCOUNT (store_account)))
1486                 goto error;
1487
1488         if (!store_account) {
1489                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1490                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1491                              "cannot get tny store account for %s\n", account_name);
1492                 goto error;
1493         }
1494
1495         
1496         /* Get the transport account, we can not do it in the thread
1497            due to some problems with dbus */
1498         transport_account = (TnyTransportAccount *)
1499                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1500                                                                                     account_name);
1501         if (!transport_account) {
1502                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1503                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1504                              "cannot get tny transport account for %s\n", account_name);
1505                 goto error;
1506         }
1507
1508         /* Create the helper object */
1509         info = g_slice_new (UpdateAccountInfo);
1510         info->mail_op = self;
1511         info->account = store_account;
1512         info->transport_account = transport_account;
1513         info->callback = callback;
1514         info->user_data = user_data;
1515
1516         /* Get the message size limit */
1517         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1518                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1519         if (info->max_size == 0)
1520                 info->max_size = G_MAXINT;
1521         else
1522                 info->max_size = info->max_size * KB;
1523
1524         /* Get per-account retrieval type */
1525         mgr = modest_runtime_get_account_mgr ();
1526         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1527                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1528
1529         /* Get per-account message amount retrieval limit */
1530         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1531                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1532         if (info->retrieve_limit == 0)
1533                 info->retrieve_limit = G_MAXINT;
1534                 
1535         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1536
1537         /* Set account busy */
1538         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1539         priv->account_name = g_strdup(account_name);
1540         
1541         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1542
1543         return TRUE;
1544
1545  error:
1546         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1547         if (callback) 
1548                 callback (self, 0, user_data);
1549         modest_mail_operation_notify_end (self);
1550         return FALSE;
1551 }
1552
1553 /* ******************************************************************* */
1554 /* ************************** STORE  ACTIONS ************************* */
1555 /* ******************************************************************* */
1556
1557
1558 TnyFolder *
1559 modest_mail_operation_create_folder (ModestMailOperation *self,
1560                                      TnyFolderStore *parent,
1561                                      const gchar *name)
1562 {
1563         ModestMailOperationPrivate *priv;
1564         TnyFolder *new_folder = NULL;
1565
1566         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1567         g_return_val_if_fail (name, NULL);
1568         
1569         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1570
1571         /* Check for already existing folder */
1572         if (modest_tny_folder_has_subfolder_with_name (parent, name)) {
1573                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1574                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1575                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1576                              _CS("ckdg_ib_folder_already_exists"));
1577         }
1578
1579         /* Check parent */
1580         if (TNY_IS_FOLDER (parent)) {
1581                 /* Check folder rules */
1582                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1583                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1584                         /* Set status failed and set an error */
1585                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1586                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1587                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1588                                      _("mail_in_ui_folder_create_error"));
1589                 }
1590         }
1591
1592         if (!strcmp (name, " ") || strchr (name, '/')) {
1593                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1594                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1595                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1596                              _("mail_in_ui_folder_create_error"));
1597         }
1598
1599         if (!priv->error) {
1600                 /* Create the folder */
1601                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1602                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1603                 if (!priv->error)
1604                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1605         }
1606
1607         /* Notify about operation end */
1608         modest_mail_operation_notify_end (self);
1609
1610         return new_folder;
1611 }
1612
1613 void
1614 modest_mail_operation_remove_folder (ModestMailOperation *self,
1615                                      TnyFolder           *folder,
1616                                      gboolean             remove_to_trash)
1617 {
1618         TnyAccount *account;
1619         ModestMailOperationPrivate *priv;
1620         ModestTnyFolderRules rules;
1621
1622         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1623         g_return_if_fail (TNY_IS_FOLDER (folder));
1624         
1625         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1626         
1627         /* Check folder rules */
1628         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1629         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1630                 /* Set status failed and set an error */
1631                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1632                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1633                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1634                              _("mail_in_ui_folder_delete_error"));
1635                 goto end;
1636         }
1637
1638         /* Get the account */
1639         account = modest_tny_folder_get_account (folder);
1640         priv->account = g_object_ref(account);
1641
1642         /* Delete folder or move to trash */
1643         if (remove_to_trash) {
1644                 TnyFolder *trash_folder = NULL;
1645                 trash_folder = modest_tny_account_get_special_folder (account,
1646                                                                       TNY_FOLDER_TYPE_TRASH);
1647                 /* TODO: error_handling */
1648                 if (trash_folder) {
1649                         modest_mail_operation_xfer_folder (self, folder,
1650                                                     TNY_FOLDER_STORE (trash_folder), 
1651                                                     TRUE, NULL, NULL);
1652                         g_object_unref (trash_folder);
1653                 }
1654         } else {
1655                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1656
1657                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1658                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1659
1660                 if (!priv->error)
1661                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1662
1663                 if (parent)
1664                         g_object_unref (G_OBJECT (parent));
1665         }
1666         g_object_unref (G_OBJECT (account));
1667
1668  end:
1669         /* Notify about operation end */
1670         modest_mail_operation_notify_end (self);
1671 }
1672
1673 static void
1674 transfer_folder_status_cb (GObject *obj,
1675                            TnyStatus *status,
1676                            gpointer user_data)
1677 {
1678         ModestMailOperation *self;
1679         ModestMailOperationPrivate *priv;
1680         ModestMailOperationState *state;
1681         XFerMsgAsyncHelper *helper;
1682
1683         g_return_if_fail (status != NULL);
1684         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1685
1686         helper = (XFerMsgAsyncHelper *) user_data;
1687         g_return_if_fail (helper != NULL);
1688
1689         self = helper->mail_op;
1690         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1691
1692         priv->done = status->position;
1693         priv->total = status->of_total;
1694
1695         state = modest_mail_operation_clone_state (self);
1696
1697         /* This is not a GDK lock because we are a Tinymail callback
1698          * which is already GDK locked by Tinymail */
1699
1700         /* no gdk_threads_enter (), CHECKED */
1701
1702         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1703
1704         /* no gdk_threads_leave (), CHECKED */
1705
1706         g_slice_free (ModestMailOperationState, state);
1707 }
1708
1709
1710 static void
1711 transfer_folder_cb (TnyFolder *folder, 
1712                     gboolean cancelled, 
1713                     TnyFolderStore *into, 
1714                     TnyFolder *new_folder, 
1715                     GError *err, 
1716                     gpointer user_data)
1717 {
1718         XFerMsgAsyncHelper *helper;
1719         ModestMailOperation *self = NULL;
1720         ModestMailOperationPrivate *priv = NULL;
1721
1722         helper = (XFerMsgAsyncHelper *) user_data;
1723         g_return_if_fail (helper != NULL);       
1724
1725         self = helper->mail_op;
1726         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1727
1728         if (err) {
1729                 priv->error = g_error_copy (err);
1730                 priv->done = 0;
1731                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1732         } else if (cancelled) {
1733                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1734                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1735                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1736                              _("Transference of %s was cancelled."),
1737                              tny_folder_get_name (folder));
1738         } else {
1739                 priv->done = 1;
1740                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1741         }
1742                 
1743         /* Notify about operation end */
1744         modest_mail_operation_notify_end (self);
1745
1746         /* If user defined callback function was defined, call it */
1747         if (helper->user_callback) {
1748
1749                 /* This is not a GDK lock because we are a Tinymail callback
1750                  * which is already GDK locked by Tinymail */
1751
1752                 /* no gdk_threads_enter (), CHECKED */
1753                 helper->user_callback (priv->source, helper->user_data);
1754                 /* no gdk_threads_leave () , CHECKED */
1755         }
1756
1757         /* Free */
1758         g_object_unref (helper->mail_op);
1759         g_slice_free   (XFerMsgAsyncHelper, helper);
1760 }
1761
1762 /**
1763  *
1764  * This function checks if the new name is a valid name for our local
1765  * folders account. The new name could not be the same than then name
1766  * of any of the mandatory local folders
1767  *
1768  * We can not rely on tinymail because tinymail does not check the
1769  * name of the virtual folders that the account could have in the case
1770  * that we're doing a rename (because it directly calls Camel which
1771  * knows nothing about our virtual folders). 
1772  *
1773  * In the case of an actual copy/move (i.e. move/copy a folder between
1774  * accounts) tinymail uses the tny_folder_store_create_account which
1775  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1776  * checks the new name of the folder, so this call in that case
1777  * wouldn't be needed. *But* NOTE that if tinymail changes its
1778  * implementation (if folder transfers within the same account is no
1779  * longer implemented as a rename) this call will allow Modest to work
1780  * perfectly
1781  *
1782  * If the new name is not valid, this function will set the status to
1783  * failed and will set also an error in the mail operation
1784  */
1785 static gboolean
1786 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1787                                  TnyFolderStore *into,
1788                                  const gchar *new_name)
1789 {
1790         if (TNY_IS_ACCOUNT (into) && 
1791             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1792             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1793                                                                  new_name)) {
1794                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1795                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1796                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1797                              _("ckdg_ib_folder_already_exists"));
1798                 return FALSE;
1799         } else
1800                 return TRUE;
1801 }
1802
1803 /**
1804  * This function checks if @ancestor is an acestor of @folder and
1805  * returns TRUE in that case
1806  */
1807 static gboolean
1808 folder_is_ancestor (TnyFolder *folder,
1809                     TnyFolderStore *ancestor)
1810 {
1811         TnyFolder *tmp = NULL;
1812         gboolean found = FALSE;
1813
1814         tmp = folder;
1815         while (!found && tmp && !TNY_IS_ACCOUNT (tmp)) {
1816                 TnyFolderStore *folder_store;
1817
1818                 folder_store = tny_folder_get_folder_store (tmp);
1819                 if (ancestor == folder_store)
1820                         found = TRUE;
1821                 else
1822                         tmp = g_object_ref (folder_store);
1823                 g_object_unref (folder_store);
1824         }
1825         return found;
1826 }
1827
1828 void
1829 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1830                                    TnyFolder *folder,
1831                                    TnyFolderStore *parent,
1832                                    gboolean delete_original,
1833                                    XferMsgsAsynUserCallback user_callback,
1834                                    gpointer user_data)
1835 {
1836         ModestMailOperationPrivate *priv = NULL;
1837         ModestTnyFolderRules parent_rules = 0, rules; 
1838         XFerMsgAsyncHelper *helper = NULL;
1839         const gchar *folder_name = NULL;
1840         const gchar *error_msg;
1841
1842         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1843         g_return_if_fail (TNY_IS_FOLDER (folder));
1844         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1845
1846         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1847         folder_name = tny_folder_get_name (folder);
1848
1849         /* Set the error msg */
1850         error_msg = _("mail_in_ui_folder_move_target_error");
1851
1852         /* Get account and set it into mail_operation */
1853         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1854         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1855
1856         /* Get folder rules */
1857         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1858         if (TNY_IS_FOLDER (parent))
1859                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1860         
1861         /* The moveable restriction is applied also to copy operation */
1862         if ((gpointer) parent == (gpointer) folder ||
1863             (!TNY_IS_FOLDER_STORE (parent)) || 
1864             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1865
1866                 /* Set status failed and set an error */
1867                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1868                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1869                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1870                              error_msg);
1871
1872                 /* Notify the queue */
1873                 modest_mail_operation_notify_end (self);
1874
1875         } else if (TNY_IS_FOLDER (parent) && 
1876                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1877
1878                 /* Set status failed and set an error */
1879                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1880                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1881                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1882                              error_msg);
1883
1884                 /* Notify the queue */
1885                 modest_mail_operation_notify_end (self);
1886
1887         } else if (TNY_IS_FOLDER (parent) &&
1888                    TNY_IS_FOLDER_STORE (folder) &&
1889                    folder_is_ancestor (TNY_FOLDER (parent), TNY_FOLDER_STORE (folder))) {
1890                 /* Set status failed and set an error */
1891                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1892                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1893                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1894                              error_msg);
1895
1896                 /* Notify the queue */
1897                 modest_mail_operation_notify_end (self);
1898
1899         } else if (TNY_IS_FOLDER_STORE (parent) &&
1900                    modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
1901                 /* Check that the new folder name is not used by any
1902                     parent subfolder */
1903
1904                 /* Set status failed and set an error */
1905                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1906                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1907                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1908                              error_msg);
1909
1910                 /* Notify the queue */
1911                 modest_mail_operation_notify_end (self);
1912                 
1913         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1914                 /* Check that the new folder name is not used by any
1915                    special local folder */
1916
1917                 /* Set status failed and set an error */
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                              error_msg);
1922
1923                 /* Notify the queue */
1924                 modest_mail_operation_notify_end (self);
1925         } else {
1926                 /* Create the helper */
1927                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1928                 helper->mail_op = g_object_ref(self);
1929                 helper->dest_folder = NULL;
1930                 helper->headers = NULL;
1931                 helper->user_callback = user_callback;
1932                 helper->user_data = user_data;
1933                 
1934                 /* Move/Copy folder */          
1935                 tny_folder_copy_async (folder,
1936                                        parent,
1937                                        tny_folder_get_name (folder),
1938                                        delete_original,
1939                                        transfer_folder_cb,
1940                                        transfer_folder_status_cb,
1941                                        helper);         
1942         } 
1943         
1944 }
1945
1946 void
1947 modest_mail_operation_rename_folder (ModestMailOperation *self,
1948                                      TnyFolder *folder,
1949                                      const gchar *name)
1950 {
1951         ModestMailOperationPrivate *priv;
1952         ModestTnyFolderRules rules;
1953         XFerMsgAsyncHelper *helper;
1954
1955         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1956         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1957         g_return_if_fail (name);
1958         
1959         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1960
1961         /* Get account and set it into mail_operation */
1962         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1963
1964         /* Check folder rules */
1965         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1966         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1967                 /* Set status failed and set an error */
1968                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1969                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1970                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1971                              _("FIXME: unable to rename"));
1972
1973                 /* Notify about operation end */
1974                 modest_mail_operation_notify_end (self);
1975         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1976                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1977                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1978                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1979                              _("FIXME: unable to rename"));
1980                 /* Notify about operation end */
1981                 modest_mail_operation_notify_end (self);
1982         } else {
1983                 TnyFolderStore *into;
1984
1985                 into = tny_folder_get_folder_store (folder);    
1986
1987                 /* Check that the new folder name is not used by any
1988                    special local folder */
1989                 if (new_name_valid_if_local_account (priv, into, name)) {
1990                         /* Create the helper */
1991                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1992                         helper->mail_op = g_object_ref(self);
1993                         helper->dest_folder = NULL;
1994                         helper->headers = NULL;
1995                         helper->user_callback = NULL;
1996                         helper->user_data = NULL;
1997                 
1998                         /* Rename. Camel handles folder subscription/unsubscription */
1999                         tny_folder_copy_async (folder, into, name, TRUE,
2000                                                transfer_folder_cb,
2001                                                transfer_folder_status_cb,
2002                                                helper);
2003                 } else {
2004                         modest_mail_operation_notify_end (self);
2005                 }
2006                 g_object_unref (into);
2007         }
2008 }
2009
2010 /* ******************************************************************* */
2011 /* **************************  MSG  ACTIONS  ************************* */
2012 /* ******************************************************************* */
2013
2014 void modest_mail_operation_get_msg (ModestMailOperation *self,
2015                                     TnyHeader *header,
2016                                     GetMsgAsyncUserCallback user_callback,
2017                                     gpointer user_data)
2018 {
2019         GetMsgAsyncHelper *helper = NULL;
2020         TnyFolder *folder;
2021         ModestMailOperationPrivate *priv;
2022         
2023         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2024         g_return_if_fail (TNY_IS_HEADER (header));
2025         
2026         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2027         folder = tny_header_get_folder (header);
2028
2029         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2030
2031         /* Get message from folder */
2032         if (folder) {
2033                 /* Get account and set it into mail_operation */
2034                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2035                 
2036                 /* Check for cached messages */
2037                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2038                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2039                 else 
2040                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2041
2042                 helper = g_slice_new0 (GetMsgAsyncHelper);
2043                 helper->mail_op = self;
2044                 helper->user_callback = user_callback;
2045                 helper->user_data = user_data;
2046                 helper->header = g_object_ref (header);
2047
2048                 // The callback's reference so that the mail op is not
2049                 // finalized until the async operation is completed even if
2050                 // the user canceled the request meanwhile.
2051                 g_object_ref (G_OBJECT (helper->mail_op));
2052
2053                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
2054
2055                 g_object_unref (G_OBJECT (folder));
2056         } else {
2057                 /* Set status failed and set an error */
2058                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2059                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2060                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2061                              _("Error trying to get a message. No folder found for header"));
2062
2063                 /* Notify the queue */
2064                 modest_mail_operation_notify_end (self);
2065         }
2066 }
2067
2068 static void
2069 get_msg_cb (TnyFolder *folder, 
2070             gboolean cancelled, 
2071             TnyMsg *msg, 
2072             GError *error, 
2073             gpointer user_data)
2074 {
2075         GetMsgAsyncHelper *helper = NULL;
2076         ModestMailOperation *self = NULL;
2077         ModestMailOperationPrivate *priv = NULL;
2078
2079         helper = (GetMsgAsyncHelper *) user_data;
2080         g_return_if_fail (helper != NULL);       
2081         self = helper->mail_op;
2082         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2083         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2084
2085         /* Check errors and cancel */
2086         if (error) {
2087                 priv->error = g_error_copy (error);
2088                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2089         } else if (cancelled) {
2090                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2091                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2092                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2093                              _("Error trying to refresh the contents of %s"),
2094                              tny_folder_get_name (folder));
2095         } else {
2096                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2097         }
2098
2099         /* If user defined callback function was defined, call it even
2100            if the operation failed*/
2101         if (helper->user_callback) {
2102                 /* This is not a GDK lock because we are a Tinymail callback
2103                  * which is already GDK locked by Tinymail */
2104
2105                 /* no gdk_threads_enter (), CHECKED */
2106                 helper->user_callback (self, helper->header, msg, helper->user_data);
2107                 /* no gdk_threads_leave (), CHECKED */
2108         }
2109
2110         /* Notify about operation end */
2111         modest_mail_operation_notify_end (self);
2112         /* Free */
2113         g_object_unref (helper->mail_op);
2114         g_object_unref (helper->header);
2115         g_slice_free (GetMsgAsyncHelper, helper);
2116                 
2117 }
2118
2119 static void     
2120 get_msg_status_cb (GObject *obj,
2121                    TnyStatus *status,  
2122                    gpointer user_data)
2123 {
2124         GetMsgAsyncHelper *helper = NULL;
2125         ModestMailOperation *self;
2126         ModestMailOperationPrivate *priv;
2127         ModestMailOperationState *state;
2128
2129         g_return_if_fail (status != NULL);
2130         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2131
2132         helper = (GetMsgAsyncHelper *) user_data;
2133         g_return_if_fail (helper != NULL);       
2134
2135         self = helper->mail_op;
2136         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2137
2138         priv->done = 1;
2139         priv->total = 1;
2140
2141         state = modest_mail_operation_clone_state (self);
2142         state->bytes_done = status->position;
2143         state->bytes_total = status->of_total;
2144
2145         /* This is not a GDK lock because we are a Tinymail callback
2146          * which is already GDK locked by Tinymail */
2147
2148         /* no gdk_threads_enter (), CHECKED */
2149         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2150         /* no gdk_threads_leave (), CHECKED */
2151
2152         g_slice_free (ModestMailOperationState, state);
2153 }
2154
2155 /****************************************************/
2156 typedef struct {
2157         ModestMailOperation *mail_op;
2158         TnyList *headers;
2159         GetMsgAsyncUserCallback user_callback;
2160         gpointer user_data;
2161         GDestroyNotify notify;
2162 } GetFullMsgsInfo;
2163
2164 typedef struct {
2165         GetMsgAsyncUserCallback user_callback;
2166         TnyHeader *header;
2167         TnyMsg *msg;
2168         gpointer user_data;
2169         ModestMailOperation *mail_op;
2170 } NotifyGetMsgsInfo;
2171
2172
2173 /* 
2174  * Used by get_msgs_full_thread to call the user_callback for each
2175  * message that has been read
2176  */
2177 static gboolean
2178 notify_get_msgs_full (gpointer data)
2179 {
2180         NotifyGetMsgsInfo *info;
2181
2182         info = (NotifyGetMsgsInfo *) data;      
2183
2184         /* This is a GDK lock because we are an idle callback and
2185          * because info->user_callback can contain Gtk+ code */
2186
2187         gdk_threads_enter (); /* CHECKED */
2188         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2189         gdk_threads_leave (); /* CHECKED */
2190
2191         g_slice_free (NotifyGetMsgsInfo, info);
2192
2193         return FALSE;
2194 }
2195
2196 /* 
2197  * Used by get_msgs_full_thread to free al the thread resources and to
2198  * call the destroy function for the passed user_data
2199  */
2200 static gboolean
2201 get_msgs_full_destroyer (gpointer data)
2202 {
2203         GetFullMsgsInfo *info;
2204
2205         info = (GetFullMsgsInfo *) data;
2206
2207         if (info->notify) {
2208
2209                 /* This is a GDK lock because we are an idle callback and
2210                  * because info->notify can contain Gtk+ code */
2211
2212                 gdk_threads_enter (); /* CHECKED */
2213                 info->notify (info->user_data);
2214                 gdk_threads_leave (); /* CHECKED */
2215         }
2216
2217         /* free */
2218         g_object_unref (info->headers);
2219         g_slice_free (GetFullMsgsInfo, info);
2220
2221         return FALSE;
2222 }
2223
2224 static gpointer
2225 get_msgs_full_thread (gpointer thr_user_data)
2226 {
2227         GetFullMsgsInfo *info;
2228         ModestMailOperationPrivate *priv = NULL;
2229         TnyIterator *iter = NULL;
2230         
2231         info = (GetFullMsgsInfo *) thr_user_data;       
2232         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2233
2234         iter = tny_list_create_iterator (info->headers);
2235         while (!tny_iterator_is_done (iter)) { 
2236                 TnyHeader *header;
2237                 TnyFolder *folder;
2238                 
2239                 header = TNY_HEADER (tny_iterator_get_current (iter));
2240                 folder = tny_header_get_folder (header);
2241                                 
2242                 /* Check for cached messages */
2243                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2244                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2245                 else 
2246                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2247
2248                 /* Get message from folder */
2249                 if (folder) {
2250                         TnyMsg *msg;
2251                         /* The callback will call it per each header */
2252                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2253
2254                         if (msg) {
2255                                 ModestMailOperationState *state;
2256                                 ModestPair *pair;
2257
2258                                 priv->done++;
2259
2260                                 /* notify progress */
2261                                 state = modest_mail_operation_clone_state (info->mail_op);
2262                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2263                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2264                                                  pair, (GDestroyNotify) modest_pair_free);
2265
2266                                 /* The callback is the responsible for
2267                                    freeing the message */
2268                                 if (info->user_callback) {
2269                                         NotifyGetMsgsInfo *info_notify;
2270                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2271                                         info_notify->user_callback = info->user_callback;
2272                                         info_notify->mail_op = info->mail_op;
2273                                         info_notify->header = g_object_ref (header);
2274                                         info_notify->msg = g_object_ref (msg);
2275                                         info_notify->user_data = info->user_data;
2276                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2277                                                          notify_get_msgs_full, 
2278                                                          info_notify, NULL);
2279                                 }
2280                                 g_object_unref (msg);
2281                         } 
2282                 } else {
2283                         /* Set status failed and set an error */
2284                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2285                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2286                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2287                                      "Error trying to get a message. No folder found for header");
2288                 }
2289
2290                 if (header)
2291                         g_object_unref (header);
2292                 
2293                 tny_iterator_next (iter);
2294         }
2295
2296         /* Set operation status */
2297         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2298                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2299
2300         /* Notify about operation end */
2301         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2302
2303         /* Free thread resources. Will be called after all previous idles */
2304         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2305
2306         return NULL;
2307 }
2308
2309 void 
2310 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2311                                      TnyList *header_list, 
2312                                      GetMsgAsyncUserCallback user_callback,
2313                                      gpointer user_data,
2314                                      GDestroyNotify notify)
2315 {
2316         TnyHeader *header = NULL;
2317         TnyFolder *folder = NULL;
2318         GThread *thread;
2319         ModestMailOperationPrivate *priv = NULL;
2320         GetFullMsgsInfo *info = NULL;
2321         gboolean size_ok = TRUE;
2322         gint max_size;
2323         TnyIterator *iter = NULL;
2324         
2325         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2326         
2327         /* Init mail operation */
2328         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2329         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2330         priv->done = 0;
2331         priv->total = tny_list_get_length(header_list);
2332
2333         /* Get account and set it into mail_operation */
2334         if (tny_list_get_length (header_list) >= 1) {
2335                 iter = tny_list_create_iterator (header_list);
2336                 header = TNY_HEADER (tny_iterator_get_current (iter));
2337                 if (header) {
2338                         folder = tny_header_get_folder (header);
2339                         if (folder) {           
2340                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2341
2342                                 g_object_unref (folder);
2343                         }
2344
2345                         g_object_unref (header);
2346                 }
2347
2348                 if (tny_list_get_length (header_list) == 1) {
2349                         g_object_unref (iter);
2350                         iter = NULL;
2351                 }
2352         }
2353
2354         /* Get msg size limit */
2355         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2356                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2357                                          &(priv->error));
2358         if (priv->error) {
2359                 g_clear_error (&(priv->error));
2360                 max_size = G_MAXINT;
2361         } else {
2362                 max_size = max_size * KB;
2363         }
2364
2365         /* Check message size limits. If there is only one message
2366            always retrieve it */
2367         if (iter != NULL) {
2368                 while (!tny_iterator_is_done (iter) && size_ok) {
2369                         header = TNY_HEADER (tny_iterator_get_current (iter));
2370                         if (header) {
2371                                 if (tny_header_get_message_size (header) >= max_size)
2372                                         size_ok = FALSE;
2373                                 g_object_unref (header);
2374                         }
2375
2376                         tny_iterator_next (iter);
2377                 }
2378                 g_object_unref (iter);
2379         }
2380
2381         if (size_ok) {
2382                 /* Create the info */
2383                 info = g_slice_new0 (GetFullMsgsInfo);
2384                 info->mail_op = self;
2385                 info->user_callback = user_callback;
2386                 info->user_data = user_data;
2387                 info->headers = g_object_ref (header_list);
2388                 info->notify = notify;
2389
2390                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2391         } else {
2392                 /* Set status failed and set an error */
2393                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2394                 /* FIXME: the error msg is different for pop */
2395                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2396                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2397                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2398                 /* Remove from queue and free resources */
2399                 modest_mail_operation_notify_end (self);
2400                 if (notify)
2401                         notify (user_data);
2402         }
2403 }
2404
2405
2406 void 
2407 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2408                                   TnyHeader *header,
2409                                   gboolean remove_to_trash /*ignored*/)
2410 {
2411         TnyFolder *folder;
2412         ModestMailOperationPrivate *priv;
2413
2414         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2415         g_return_if_fail (TNY_IS_HEADER (header));
2416
2417         if (remove_to_trash)
2418                 g_warning ("remove to trash is not implemented");
2419
2420         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2421         folder = tny_header_get_folder (header);
2422
2423         /* Get account and set it into mail_operation */
2424         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2425
2426         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2427
2428         /* remove message from folder */
2429         tny_folder_remove_msg (folder, header, &(priv->error));
2430         if (!priv->error) {
2431                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2432                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2433
2434                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2435 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2436                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2437                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2438 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2439                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2440                 else
2441                         /* local folders */
2442 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2443                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2444         }
2445         
2446         
2447         /* Set status */
2448         if (!priv->error)
2449                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2450         else
2451                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2452
2453         /* Free */
2454         g_object_unref (G_OBJECT (folder));
2455
2456         /* Notify about operation end */
2457         modest_mail_operation_notify_end (self);
2458 }
2459
2460 void 
2461 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2462                                    TnyList *headers,
2463                                   gboolean remove_to_trash /*ignored*/)
2464 {
2465         TnyFolder *folder;
2466         ModestMailOperationPrivate *priv;
2467         TnyIterator *iter = NULL;
2468         TnyHeader *header = NULL;
2469
2470         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2471         g_return_if_fail (TNY_IS_LIST (headers));
2472
2473         if (remove_to_trash)
2474                 g_warning ("remove to trash is not implemented");
2475
2476         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2477
2478         /* Get folder from first header and sync it */
2479         iter = tny_list_create_iterator (headers);
2480         header = TNY_HEADER (tny_iterator_get_current (iter));
2481         folder = tny_header_get_folder (header);
2482         
2483         /* Get account and set it into mail_operation */
2484         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2485
2486         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2487
2488         /* remove message from folder */
2489         tny_folder_remove_msgs (folder, headers, &(priv->error));
2490         if (!priv->error) {
2491                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2492 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2493                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2494                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2495 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2496                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2497                 else
2498                         /* local folders */
2499 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2500                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2501         }
2502         
2503         
2504         /* Set status */
2505         if (!priv->error)
2506                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2507         else
2508                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2509
2510         /* Free */
2511         g_object_unref (header);
2512         g_object_unref (iter);
2513         g_object_unref (G_OBJECT (folder));
2514
2515         /* Notify about operation end */
2516         modest_mail_operation_notify_end (self);
2517 }
2518
2519
2520 static void
2521 transfer_msgs_status_cb (GObject *obj,
2522                          TnyStatus *status,  
2523                          gpointer user_data)
2524 {
2525         XFerMsgAsyncHelper *helper = NULL;
2526         ModestMailOperation *self;
2527         ModestMailOperationPrivate *priv;
2528         ModestMailOperationState *state;
2529
2530
2531         g_return_if_fail (status != NULL);
2532         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2533
2534         helper = (XFerMsgAsyncHelper *) user_data;
2535         g_return_if_fail (helper != NULL);       
2536
2537         self = helper->mail_op;
2538         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2539
2540         priv->done = status->position;
2541         priv->total = status->of_total;
2542
2543         state = modest_mail_operation_clone_state (self);
2544
2545         /* This is not a GDK lock because we are a Tinymail callback and
2546          * Tinymail already acquires the Gdk lock */
2547
2548         /* no gdk_threads_enter (), CHECKED */
2549
2550         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2551
2552         /* no gdk_threads_leave (), CHECKED */
2553
2554         g_slice_free (ModestMailOperationState, state);
2555 }
2556
2557
2558 static void
2559 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2560 {
2561         XFerMsgAsyncHelper *helper;
2562         ModestMailOperation *self;
2563         ModestMailOperationPrivate *priv;
2564         TnyIterator *iter = NULL;
2565         TnyHeader *header = NULL;
2566
2567         helper = (XFerMsgAsyncHelper *) user_data;
2568         self = helper->mail_op;
2569
2570         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2571
2572         if (err) {
2573                 priv->error = g_error_copy (err);
2574                 priv->done = 0;
2575                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2576         } else if (cancelled) {
2577                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2578                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2579                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2580                              _("Error trying to refresh the contents of %s"),
2581                              tny_folder_get_name (folder));
2582         } else {
2583                 priv->done = 1;
2584                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2585
2586                 /* Update folder counts */
2587                 tny_folder_poke_status (folder);                
2588                 tny_folder_poke_status (helper->dest_folder);           
2589         }
2590
2591         
2592         /* Mark headers as deleted and seen */
2593         if ((helper->delete) && 
2594             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2595                 iter = tny_list_create_iterator (helper->headers);
2596                 while (!tny_iterator_is_done (iter)) {
2597                         header = TNY_HEADER (tny_iterator_get_current (iter));
2598                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2599                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2600                         g_object_unref (header);
2601
2602                         tny_iterator_next (iter);
2603                 }
2604
2605         }
2606                 
2607
2608         /* Notify about operation end */
2609         modest_mail_operation_notify_end (self);
2610
2611         /* If user defined callback function was defined, call it */
2612         if (helper->user_callback) {
2613                 /* This is not a GDK lock because we are a Tinymail callback and
2614                  * Tinymail already acquires the Gdk lock */
2615
2616                 /* no gdk_threads_enter (), CHECKED */
2617                 helper->user_callback (priv->source, helper->user_data);
2618                 /* no gdk_threads_leave (), CHECKED */
2619         }
2620
2621         /* Free */
2622         if (helper->headers)
2623                 g_object_unref (helper->headers);
2624         if (helper->dest_folder)
2625                 g_object_unref (helper->dest_folder);
2626         if (helper->mail_op)
2627                 g_object_unref (helper->mail_op);
2628         if (folder)
2629                 g_object_unref (folder);
2630         if (iter)
2631                 g_object_unref (iter);
2632         g_slice_free   (XFerMsgAsyncHelper, helper);
2633
2634 }
2635
2636 void
2637 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2638                                  TnyList *headers, 
2639                                  TnyFolder *folder, 
2640                                  gboolean delete_original,
2641                                  XferMsgsAsynUserCallback user_callback,
2642                                  gpointer user_data)
2643 {
2644         ModestMailOperationPrivate *priv = NULL;
2645         TnyIterator *iter = NULL;
2646         TnyFolder *src_folder = NULL;
2647         XFerMsgAsyncHelper *helper = NULL;
2648         TnyHeader *header = NULL;
2649         ModestTnyFolderRules rules = 0;
2650         const gchar *id1 = NULL;
2651         const gchar *id2 = NULL;
2652         gboolean same_folder = FALSE;
2653
2654         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2655         g_return_if_fail (TNY_IS_LIST (headers));
2656         g_return_if_fail (TNY_IS_FOLDER (folder));
2657
2658         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2659         priv->total = 1;
2660         priv->done = 0;
2661         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2662
2663         /* Apply folder rules */
2664         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2665         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2666                 /* Set status failed and set an error */
2667                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2668                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2669                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2670                              _CS("ckct_ib_unable_to_paste_here"));
2671                 /* Notify the queue */
2672                 modest_mail_operation_notify_end (self);
2673                 return;
2674         }
2675                 
2676         /* Get source folder */
2677         iter = tny_list_create_iterator (headers);
2678         header = TNY_HEADER (tny_iterator_get_current (iter));
2679         if (header) {
2680                 src_folder = tny_header_get_folder (header);
2681                 g_object_unref (header);
2682         }
2683
2684         g_object_unref (iter);
2685
2686         /* Check folder source and destination */
2687         id1 = tny_folder_get_id (src_folder);
2688         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2689         same_folder = !g_ascii_strcasecmp (id1, id2);
2690         if (same_folder) {
2691                 /* Set status failed and set an error */
2692                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2693                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2694                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2695                              _("mcen_ib_unable_to_copy_samefolder"));
2696                 
2697                 /* Notify the queue */
2698                 modest_mail_operation_notify_end (self);
2699                 
2700                 /* Free */
2701                 g_object_unref (src_folder);            
2702                 return;
2703         }
2704
2705         /* Create the helper */
2706         helper = g_slice_new0 (XFerMsgAsyncHelper);
2707         helper->mail_op = g_object_ref(self);
2708         helper->dest_folder = g_object_ref(folder);
2709         helper->headers = g_object_ref(headers);
2710         helper->user_callback = user_callback;
2711         helper->user_data = user_data;
2712         helper->delete = delete_original;
2713
2714         /* Get account and set it into mail_operation */
2715         priv->account = modest_tny_folder_get_account (src_folder);
2716
2717         /* Transfer messages */
2718         tny_folder_transfer_msgs_async (src_folder, 
2719                                         headers, 
2720                                         folder, 
2721                                         delete_original, 
2722                                         transfer_msgs_cb, 
2723                                         transfer_msgs_status_cb,
2724                                         helper);
2725 }
2726
2727
2728 static void
2729 on_refresh_folder (TnyFolder   *folder, 
2730                    gboolean     cancelled, 
2731                    GError     *error,
2732                    gpointer     user_data)
2733 {
2734         RefreshAsyncHelper *helper = NULL;
2735         ModestMailOperation *self = NULL;
2736         ModestMailOperationPrivate *priv = NULL;
2737
2738         helper = (RefreshAsyncHelper *) user_data;
2739         self = helper->mail_op;
2740         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2741
2742         g_return_if_fail(priv!=NULL);
2743
2744         if (error) {
2745                 priv->error = g_error_copy (error);
2746                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2747                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2748                        error->message);
2749                 goto out;
2750         }
2751
2752         if (cancelled) {
2753                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2754                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2755                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2756                              _("Error trying to refresh the contents of %s"),
2757                              tny_folder_get_name (folder));
2758                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2759                 goto out;
2760         }
2761
2762         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2763
2764         /* Call user defined callback, if it exists */
2765         if (helper->user_callback) {
2766
2767                 /* This is not a GDK lock because we are a Tinymail callback and
2768                  * Tinymail already acquires the Gdk lock */
2769                 helper->user_callback (self, folder, helper->user_data);
2770         }
2771
2772  out:
2773         /* Free */
2774         g_slice_free   (RefreshAsyncHelper, helper);
2775
2776         /* Notify about operation end */
2777         modest_mail_operation_notify_end (self);
2778         g_object_unref(self);
2779 }
2780
2781 static void
2782 on_refresh_folder_status_update (GObject *obj,
2783                                  TnyStatus *status,
2784                                  gpointer user_data)
2785 {
2786         RefreshAsyncHelper *helper = NULL;
2787         ModestMailOperation *self = NULL;
2788         ModestMailOperationPrivate *priv = NULL;
2789         ModestMailOperationState *state;
2790
2791         g_return_if_fail (user_data != NULL);
2792         g_return_if_fail (status != NULL);
2793         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2794
2795         helper = (RefreshAsyncHelper *) user_data;
2796         self = helper->mail_op;
2797         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2798
2799         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2800
2801         priv->done = status->position;
2802         priv->total = status->of_total;
2803
2804         state = modest_mail_operation_clone_state (self);
2805
2806         /* This is not a GDK lock because we are a Tinymail callback and
2807          * Tinymail already acquires the Gdk lock */
2808         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2809
2810         g_slice_free (ModestMailOperationState, state);
2811 }
2812
2813 void 
2814 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2815                                        TnyFolder *folder,
2816                                        RefreshAsyncUserCallback user_callback,
2817                                        gpointer user_data)
2818 {
2819         ModestMailOperationPrivate *priv = NULL;
2820         RefreshAsyncHelper *helper = NULL;
2821
2822         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2823
2824         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2825
2826         /* Get account and set it into mail_operation */
2827         priv->account = modest_tny_folder_get_account  (folder);
2828
2829         /* Create the helper */
2830         helper = g_slice_new0 (RefreshAsyncHelper);
2831         helper->mail_op = g_object_ref(self);
2832         helper->user_callback = user_callback;
2833         helper->user_data = user_data;
2834
2835         /* Refresh the folder. TODO: tinymail could issue a status
2836            updates before the callback call then this could happen. We
2837            must review the design */
2838         tny_folder_refresh_async (folder,
2839                                   on_refresh_folder,
2840                                   on_refresh_folder_status_update,
2841                                   helper);
2842 }
2843
2844 /**
2845  *
2846  * It's used by the mail operation queue to notify the observers
2847  * attached to that signal that the operation finished. We need to use
2848  * that because tinymail does not give us the progress of a given
2849  * operation when it finishes (it directly calls the operation
2850  * callback).
2851  */
2852 static void
2853 modest_mail_operation_notify_end (ModestMailOperation *self)
2854 {
2855         ModestMailOperationState *state;
2856         ModestMailOperationPrivate *priv = NULL;
2857
2858         g_return_if_fail (self);
2859
2860         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2861
2862         /* Set the account back to not busy */
2863         if (priv->account_name) {
2864                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2865                                                      priv->account_name, FALSE);
2866                 g_free(priv->account_name);
2867                 priv->account_name = NULL;
2868         }
2869         
2870         /* Notify the observers about the mail operation end */
2871         /* We do not wrapp this emission because we assume that this
2872            function is always called from within the main lock */
2873         state = modest_mail_operation_clone_state (self);
2874         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2875         g_slice_free (ModestMailOperationState, state);
2876 }