Fixing API changes
[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 *err, 
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
309         return obj;
310 }
311
312 void
313 modest_mail_operation_execute_error_handler (ModestMailOperation *self)
314 {
315         ModestMailOperationPrivate *priv;
316         
317         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
318         g_return_if_fail(priv->status != MODEST_MAIL_OPERATION_STATUS_SUCCESS);     
319
320         if (priv->error_checking != NULL)
321                 priv->error_checking (self, priv->error_checking_user_data);
322 }
323
324
325 ModestMailOperationTypeOperation
326 modest_mail_operation_get_type_operation (ModestMailOperation *self)
327 {
328         ModestMailOperationPrivate *priv;
329
330         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
331         
332         return priv->op_type;
333 }
334
335 gboolean 
336 modest_mail_operation_is_mine (ModestMailOperation *self, 
337                                GObject *me)
338 {
339         ModestMailOperationPrivate *priv;
340
341         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
342         if (priv->source == NULL) return FALSE;
343
344         return priv->source == me;
345 }
346
347 GObject *
348 modest_mail_operation_get_source (ModestMailOperation *self)
349 {
350         ModestMailOperationPrivate *priv;
351
352         g_return_val_if_fail (self, NULL);
353         
354         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
355         if (!priv) {
356                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
357                 return NULL;
358         }
359         
360         return g_object_ref (priv->source);
361 }
362
363 ModestMailOperationStatus
364 modest_mail_operation_get_status (ModestMailOperation *self)
365 {
366         ModestMailOperationPrivate *priv;
367
368         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
369         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
370                               MODEST_MAIL_OPERATION_STATUS_INVALID);
371
372         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
373         if (!priv) {
374                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
375                 return MODEST_MAIL_OPERATION_STATUS_INVALID;
376         }
377         
378         return priv->status;
379 }
380
381 const GError *
382 modest_mail_operation_get_error (ModestMailOperation *self)
383 {
384         ModestMailOperationPrivate *priv;
385
386         g_return_val_if_fail (self, NULL);
387         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
388
389         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
390
391         if (!priv) {
392                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
393                 return NULL;
394         }
395
396         return priv->error;
397 }
398
399 gboolean 
400 modest_mail_operation_cancel (ModestMailOperation *self)
401 {
402         ModestMailOperationPrivate *priv;
403         gboolean canceled = FALSE;
404
405         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
406
407         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
408
409         /* Note that if we call cancel with an already canceled mail
410            operation the progress changed signal won't be emitted */
411         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
412                 return FALSE;
413
414         /* Set new status */
415         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
416         
417         /* Cancel the mail operation. We need to wrap it between this
418            start/stop operations to allow following calls to the
419            account */
420         g_return_val_if_fail (priv->account, FALSE);
421         tny_account_cancel (priv->account);
422
423         return canceled;
424 }
425
426 guint 
427 modest_mail_operation_get_task_done (ModestMailOperation *self)
428 {
429         ModestMailOperationPrivate *priv;
430
431         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
432
433         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
434         return priv->done;
435 }
436
437 guint 
438 modest_mail_operation_get_task_total (ModestMailOperation *self)
439 {
440         ModestMailOperationPrivate *priv;
441
442         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
443
444         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
445         return priv->total;
446 }
447
448 gboolean
449 modest_mail_operation_is_finished (ModestMailOperation *self)
450 {
451         ModestMailOperationPrivate *priv;
452         gboolean retval = FALSE;
453
454         if (!MODEST_IS_MAIL_OPERATION (self)) {
455                 g_warning ("%s: invalid parametter", G_GNUC_FUNCTION);
456                 return retval;
457         }
458
459         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
460
461         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
462             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
463             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
464             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
465                 retval = TRUE;
466         } else {
467                 retval = FALSE;
468         }
469
470         return retval;
471 }
472
473 guint
474 modest_mail_operation_get_id (ModestMailOperation *self)
475 {
476         ModestMailOperationPrivate *priv;
477
478         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
479
480         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
481         return priv->done;
482 }
483
484 guint 
485 modest_mail_operation_set_id (ModestMailOperation *self,
486                               guint id)
487 {
488         ModestMailOperationPrivate *priv;
489
490         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
491
492         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
493         return priv->done;
494 }
495
496 /*
497  * Creates an image of the current state of a mail operation, the
498  * caller must free it
499  */
500 static ModestMailOperationState *
501 modest_mail_operation_clone_state (ModestMailOperation *self)
502 {
503         ModestMailOperationState *state;
504         ModestMailOperationPrivate *priv;
505
506         /* FIXME: this should be fixed properly
507          * 
508          * in some cases, priv was NULL, so checking here to
509          * make sure.
510          */
511         g_return_val_if_fail (self, NULL);
512         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
513         g_return_val_if_fail (priv, NULL);
514
515         if (!priv)
516                 return NULL;
517
518         state = g_slice_new (ModestMailOperationState);
519
520         state->status = priv->status;
521         state->op_type = priv->op_type;
522         state->done = priv->done;
523         state->total = priv->total;
524         state->finished = modest_mail_operation_is_finished (self);
525         state->bytes_done = 0;
526         state->bytes_total = 0;
527
528         return state;
529 }
530
531 /* ******************************************************************* */
532 /* ************************** SEND   ACTIONS ************************* */
533 /* ******************************************************************* */
534
535 void
536 modest_mail_operation_send_mail (ModestMailOperation *self,
537                                  TnyTransportAccount *transport_account,
538                                  TnyMsg* msg)
539 {
540         TnySendQueue *send_queue = NULL;
541         ModestMailOperationPrivate *priv;
542         
543         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
544         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
545         g_return_if_fail (TNY_IS_MSG (msg));
546         
547         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
548
549         /* Get account and set it into mail_operation */
550         priv->account = g_object_ref (transport_account);
551         priv->done = 1;
552         priv->total = 1;
553
554         send_queue = TNY_SEND_QUEUE (modest_runtime_get_send_queue (transport_account));
555         if (!TNY_IS_SEND_QUEUE(send_queue)) {
556                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
557                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
558                              "modest: could not find send queue for account\n");
559         } else {
560                 /* TODO: connect to the msg-sent in order to know when
561                    the mail operation is finished */
562                 tny_send_queue_add (send_queue, msg, &(priv->error));
563                 /* TODO: we're setting always success, do the check in
564                    the handler */
565                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
566         }
567
568         /* TODO: do this in the handler of the "msg-sent"
569            signal.Notify about operation end */
570         modest_mail_operation_notify_end (self);
571 }
572
573 static gboolean
574 idle_create_msg_cb (gpointer idle_data)
575 {
576         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
577
578         /* This is a GDK lock because we are an idle callback and
579          * info->callback can contain Gtk+ code */
580
581         gdk_threads_enter (); /* CHECKED */
582         info->callback (info->mail_op, info->msg, info->userdata);
583         gdk_threads_leave (); /* CHECKED */
584
585         g_object_unref (info->mail_op);
586         if (info->msg)
587                 g_object_unref (info->msg);
588         g_slice_free (CreateMsgIdleInfo, info);
589
590         return FALSE;
591 }
592
593 static gpointer 
594 create_msg_thread (gpointer thread_data)
595 {
596         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
597         TnyMsg *new_msg = NULL;
598         ModestMailOperationPrivate *priv;
599
600         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
601         if (info->html_body == NULL) {
602                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
603                                               info->bcc, info->subject, info->plain_body, 
604                                               info->attachments_list); /* FIXME: attachments */
605         } else {
606                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
607                                                          info->bcc, info->subject, info->html_body,
608                                                          info->plain_body, info->attachments_list);
609         }
610
611         if (new_msg) {
612                 TnyHeader *header;
613                 /* Set priority flags in message */
614                 header = tny_msg_get_header (new_msg);
615                 if (info->priority_flags != 0)
616                         tny_header_set_flags (header, info->priority_flags);
617                 if (info->attachments_list != NULL) {
618                         tny_header_set_flags (header, TNY_HEADER_FLAG_ATTACHMENTS);
619                 }
620                 g_object_unref (G_OBJECT(header));
621         } else {
622                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
623                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
624                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
625                              "modest: failed to create a new msg\n");
626         }
627
628
629         g_free (info->to);
630         g_free (info->from);
631         g_free (info->cc);
632         g_free (info->bcc);
633         g_free (info->plain_body);
634         g_free (info->html_body);
635         g_free (info->subject);
636         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
637         g_list_free (info->attachments_list);
638
639         if (info->callback) {
640                 CreateMsgIdleInfo *idle_info;
641                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
642                 idle_info->mail_op = info->mail_op;
643                 g_object_ref (info->mail_op);
644                 idle_info->msg = new_msg;
645                 if (new_msg)
646                         g_object_ref (new_msg);
647                 idle_info->callback = info->callback;
648                 idle_info->userdata = info->userdata;
649                 g_idle_add (idle_create_msg_cb, idle_info);
650         } else {
651                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
652         }
653
654         g_object_unref (info->mail_op);
655         g_slice_free (CreateMsgInfo, info);
656         return NULL;
657 }
658
659 void
660 modest_mail_operation_create_msg (ModestMailOperation *self,
661                                   const gchar *from, const gchar *to,
662                                   const gchar *cc, const gchar *bcc,
663                                   const gchar *subject, const gchar *plain_body,
664                                   const gchar *html_body,
665                                   const GList *attachments_list,
666                                   TnyHeaderFlags priority_flags,
667                                   ModestMailOperationCreateMsgCallback callback,
668                                   gpointer userdata)
669 {
670         CreateMsgInfo *info = NULL;
671
672         info = g_slice_new0 (CreateMsgInfo);
673         info->mail_op = self;
674         g_object_ref (self);
675
676         info->from = g_strdup (from);
677         info->to = g_strdup (to);
678         info->cc = g_strdup (cc);
679         info->bcc  = g_strdup (bcc);
680         info->subject = g_strdup (subject);
681         info->plain_body = g_strdup (plain_body);
682         info->html_body = g_strdup (html_body);
683         info->attachments_list = g_list_copy ((GList *) attachments_list);
684         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
685         info->priority_flags = priority_flags;
686
687         info->callback = callback;
688         info->userdata = userdata;
689
690         g_thread_create (create_msg_thread, info, FALSE, NULL);
691 }
692
693 typedef struct
694 {
695         TnyTransportAccount *transport_account;
696         TnyMsg *draft_msg;
697 } SendNewMailInfo;
698
699 static void
700 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
701                                         TnyMsg *msg,
702                                         gpointer userdata)
703 {
704         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
705         TnyFolder *draft_folder = NULL;
706         TnyFolder *outbox_folder = NULL;
707         TnyHeader *header;
708
709         if (!msg) {
710                 goto end;
711         }
712
713         /* Call mail operation */
714         modest_mail_operation_send_mail (self, info->transport_account, msg);
715
716         /* Remove old mail from its source folder */
717         draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
718         outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_OUTBOX);
719         if (info->draft_msg != NULL) {
720                 TnyFolder *folder = NULL;
721                 TnyFolder *src_folder = NULL;
722                 TnyFolderType folder_type;              
723                 folder = tny_msg_get_folder (info->draft_msg);          
724                 if (folder == NULL) goto end;
725                 folder_type = modest_tny_folder_guess_folder_type (folder);
726                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
727                         src_folder = outbox_folder;
728                 else 
729                         src_folder = draft_folder;
730
731                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
732                  * because this function requires it to have a UID. */          
733                 header = tny_msg_get_header (info->draft_msg);
734                 tny_folder_remove_msg (src_folder, header, NULL);
735                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
736                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
737                 g_object_unref (header);
738                 g_object_unref (folder);
739         }
740
741 end:
742         if (info->draft_msg)
743                 g_object_unref (info->draft_msg);
744         if (draft_folder)
745                 g_object_unref (draft_folder);
746         if (outbox_folder)
747                 g_object_unref (outbox_folder);
748         if (info->transport_account)
749                 g_object_unref (info->transport_account);
750         g_slice_free (SendNewMailInfo, info);
751         modest_mail_operation_notify_end (self);
752 }
753
754 void
755 modest_mail_operation_send_new_mail (ModestMailOperation *self,
756                                      TnyTransportAccount *transport_account,
757                                      TnyMsg *draft_msg,
758                                      const gchar *from,  const gchar *to,
759                                      const gchar *cc,  const gchar *bcc,
760                                      const gchar *subject, const gchar *plain_body,
761                                      const gchar *html_body,
762                                      const GList *attachments_list,
763                                      TnyHeaderFlags priority_flags)
764 {
765         ModestMailOperationPrivate *priv = NULL;
766         SendNewMailInfo *info;
767
768         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
769         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
770
771         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
772
773         /* Check parametters */
774         if (to == NULL) {
775                 /* Set status failed and set an error */
776                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
777                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
778                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
779                              _("Error trying to send a mail. You need to set at least one recipient"));
780                 return;
781         }
782         info = g_slice_new0 (SendNewMailInfo);
783         info->transport_account = transport_account;
784         if (transport_account)
785                 g_object_ref (transport_account);
786         info->draft_msg = draft_msg;
787         if (draft_msg)
788                 g_object_ref (draft_msg);
789         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
790                                           attachments_list, priority_flags,
791                                           modest_mail_operation_send_new_mail_cb, info);
792
793 }
794
795 typedef struct
796 {
797         TnyTransportAccount *transport_account;
798         TnyMsg *draft_msg;
799         ModestMsgEditWindow *edit_window;
800 } SaveToDraftsInfo;
801
802 static void
803 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
804                                          TnyMsg *msg,
805                                          gpointer userdata)
806 {
807         TnyFolder *src_folder = NULL;
808         TnyFolder *folder = NULL;
809         TnyHeader *header = NULL;
810         ModestMailOperationPrivate *priv = NULL;
811         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
812
813         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
814         if (!msg) {
815                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
816                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
817                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
818                              "modest: failed to create a new msg\n");
819                 goto end;
820         }
821
822         folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
823         if (!folder) {
824                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
825                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
826                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
827                              "modest: failed to create a new msg\n");
828                 goto end;
829         }
830
831         if (!priv->error)
832                 tny_folder_add_msg (folder, msg, &(priv->error));
833
834         if ((!priv->error) && (info->draft_msg != NULL)) {
835                 header = tny_msg_get_header (info->draft_msg);
836                 src_folder = tny_header_get_folder (header); 
837                 /* Remove the old draft expunging it */
838                 tny_folder_remove_msg (src_folder, header, NULL);
839                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
840                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
841                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
842                 g_object_unref (header);
843         }
844         
845         if (!priv->error)
846                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
847         else
848                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
849
850         if (info->edit_window)
851                 modest_msg_edit_window_set_draft (info->edit_window, msg);
852
853
854 end:
855         if (folder)
856                 g_object_unref (G_OBJECT(folder));
857         if (src_folder)
858                 g_object_unref (G_OBJECT(src_folder));
859         if (info->edit_window)
860                 g_object_unref (G_OBJECT(info->edit_window));
861         if (info->draft_msg)
862                 g_object_unref (G_OBJECT (info->draft_msg));
863         if (info->transport_account)
864                 g_object_unref (G_OBJECT(info->transport_account));
865         g_slice_free (SaveToDraftsInfo, info);
866
867         modest_mail_operation_notify_end (self);
868 }
869
870 void
871 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
872                                       TnyTransportAccount *transport_account,
873                                       TnyMsg *draft_msg,
874                                       ModestMsgEditWindow *edit_window,
875                                       const gchar *from,  const gchar *to,
876                                       const gchar *cc,  const gchar *bcc,
877                                       const gchar *subject, const gchar *plain_body,
878                                       const gchar *html_body,
879                                       const GList *attachments_list,
880                                       TnyHeaderFlags priority_flags)
881 {
882         ModestMailOperationPrivate *priv = NULL;
883         SaveToDraftsInfo *info = NULL;
884
885         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
886         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
887
888         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
889
890         /* Get account and set it into mail_operation */
891         priv->account = g_object_ref (transport_account);
892
893         info = g_slice_new0 (SaveToDraftsInfo);
894         info->transport_account = g_object_ref (transport_account);
895         info->draft_msg = draft_msg;
896         if (draft_msg)
897                 g_object_ref (draft_msg);
898         info->edit_window = edit_window;
899         if (edit_window)
900                 g_object_ref (edit_window);
901
902         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
903                                           attachments_list, priority_flags,
904                                           modest_mail_operation_save_to_drafts_cb, info);
905
906 }
907
908 typedef struct 
909 {
910         ModestMailOperation *mail_op;
911         TnyStoreAccount *account;
912         TnyTransportAccount *transport_account;
913         gint max_size;
914         gint retrieve_limit;
915         gchar *retrieve_type;
916         gchar *account_name;
917         UpdateAccountCallback callback;
918         gpointer user_data;
919         gint new_headers;
920 } UpdateAccountInfo;
921
922 typedef struct
923 {
924         ModestMailOperation *mail_op;
925         TnyMimePart *mime_part;
926         gssize size;
927         GetMimePartSizeCallback callback;
928         gpointer userdata;
929 } GetMimePartSizeInfo;
930
931 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
932 /* We use this folder observer to track the headers that have been
933  * added to a folder */
934 typedef struct {
935         GObject parent;
936         TnyList *new_headers;
937 } InternalFolderObserver;
938
939 typedef struct {
940         GObjectClass parent;
941 } InternalFolderObserverClass;
942
943 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
944
945 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
946                          internal_folder_observer,
947                          G_TYPE_OBJECT,
948                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
949
950
951 static void
952 foreach_add_item (gpointer header, gpointer user_data)
953 {
954         tny_list_prepend (TNY_LIST (user_data), 
955                           g_object_ref (G_OBJECT (header)));
956 }
957
958 /* This is the method that looks for new messages in a folder */
959 static void
960 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
961 {
962         InternalFolderObserver *derived = (InternalFolderObserver *)self;
963         
964         TnyFolderChangeChanged changed;
965
966         changed = tny_folder_change_get_changed (change);
967
968         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
969                 TnyList *list;
970
971                 /* Get added headers */
972                 list = tny_simple_list_new ();
973                 tny_folder_change_get_added_headers (change, list);
974
975                 /* Add them to the folder observer */
976                 tny_list_foreach (list, foreach_add_item, 
977                                   derived->new_headers);
978
979                 g_object_unref (G_OBJECT (list));
980         }
981 }
982
983 static void
984 internal_folder_observer_init (InternalFolderObserver *self) 
985 {
986         self->new_headers = tny_simple_list_new ();
987 }
988 static void
989 internal_folder_observer_finalize (GObject *object) 
990 {
991         InternalFolderObserver *self;
992
993         self = (InternalFolderObserver *) object;
994         g_object_unref (self->new_headers);
995
996         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
997 }
998 static void
999 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1000 {
1001         iface->update_func = internal_folder_observer_update;
1002 }
1003 static void
1004 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1005 {
1006         GObjectClass *object_class;
1007
1008         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1009         object_class = (GObjectClass*) klass;
1010         object_class->finalize = internal_folder_observer_finalize;
1011 }
1012
1013 /*****************/
1014
1015 static void
1016 recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all_folders)
1017 {
1018         TnyIterator *iter;
1019         TnyList *folders = tny_simple_list_new ();
1020
1021         tny_folder_store_get_folders (store, folders, query, NULL);
1022         iter = tny_list_create_iterator (folders);
1023
1024         while (!tny_iterator_is_done (iter)) {
1025
1026                 TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1027                 if (folder) {
1028                         tny_list_prepend (all_folders, G_OBJECT (folder));
1029                         recurse_folders (folder, query, all_folders);    
1030                         g_object_unref (G_OBJECT (folder));
1031                 }
1032
1033                 tny_iterator_next (iter);
1034         }
1035          g_object_unref (G_OBJECT (iter));
1036          g_object_unref (G_OBJECT (folders));
1037 }
1038
1039 /* 
1040  * Issues the "progress-changed" signal. The timer won't be removed,
1041  * so you must call g_source_remove to stop the signal emission
1042  */
1043 static gboolean
1044 idle_notify_progress (gpointer data)
1045 {
1046         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1047         ModestMailOperationState *state;
1048
1049         state = modest_mail_operation_clone_state (mail_op);
1050
1051         /* This is a GDK lock because we are an idle callback and
1052          * the handlers of this signal can contain Gtk+ code */
1053
1054         gdk_threads_enter (); /* CHECKED */
1055         g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1056         gdk_threads_leave (); /* CHECKED */
1057
1058         g_slice_free (ModestMailOperationState, state);
1059         
1060         return TRUE;
1061 }
1062
1063 /* 
1064  * Issues the "progress-changed" signal and removes the timer. It uses
1065  * a lock to ensure that the progress information of the mail
1066  * operation is not modified while there are notifications pending
1067  */
1068 static gboolean
1069 idle_notify_progress_once (gpointer data)
1070 {
1071         ModestPair *pair;
1072
1073         pair = (ModestPair *) data;
1074
1075         /* This is a GDK lock because we are an idle callback and
1076          * the handlers of this signal can contain Gtk+ code */
1077
1078         gdk_threads_enter (); /* CHECKED */
1079         g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
1080         gdk_threads_leave (); /* CHECKED */
1081
1082         /* Free the state and the reference to the mail operation */
1083         g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
1084         g_object_unref (pair->first);
1085
1086         return FALSE;
1087 }
1088
1089 /* 
1090  * Used to notify the queue from the main
1091  * loop. We call it inside an idle call to achieve that
1092  */
1093 static gboolean
1094 idle_notify_queue (gpointer data)
1095 {
1096         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1097
1098         /* Do not need to block, the notify end will do it for us */    
1099         modest_mail_operation_notify_end (mail_op);
1100         g_object_unref (mail_op);
1101
1102         return FALSE;
1103 }
1104
1105 static int
1106 compare_headers_by_date (gconstpointer a, 
1107                          gconstpointer b)
1108 {
1109         TnyHeader **header1, **header2;
1110         time_t sent1, sent2;
1111
1112         header1 = (TnyHeader **) a;
1113         header2 = (TnyHeader **) b;
1114
1115         sent1 = tny_header_get_date_sent (*header1);
1116         sent2 = tny_header_get_date_sent (*header2);
1117
1118         /* We want the most recent ones (greater time_t) at the
1119            beginning */
1120         if (sent1 < sent2)
1121                 return 1;
1122         else
1123                 return -1;
1124 }
1125
1126 static gboolean 
1127 set_last_updated_idle (gpointer data)
1128 {
1129
1130         /* This is a GDK lock because we are an idle callback and
1131          * modest_account_mgr_set_int can contain Gtk+ code */
1132
1133         gdk_threads_enter (); /* CHECKED - please recheck */
1134
1135         /* It does not matter if the time is not exactly the same than
1136            the time when this idle was called, it's just an
1137            approximation and it won't be very different */
1138
1139         modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
1140                                     (gchar *) data, 
1141                                     MODEST_ACCOUNT_LAST_UPDATED, 
1142                                     time(NULL), 
1143                                     TRUE);
1144
1145         gdk_threads_leave (); /* CHECKED - please recheck */
1146
1147         return FALSE;
1148 }
1149
1150 static gboolean
1151 idle_update_account_cb (gpointer data)
1152 {
1153         UpdateAccountInfo *idle_info;
1154
1155         idle_info = (UpdateAccountInfo *) data;
1156
1157         /* This is a GDK lock because we are an idle callback and
1158          * idle_info->callback can contain Gtk+ code */
1159
1160         gdk_threads_enter (); /* CHECKED */
1161         idle_info->callback (idle_info->mail_op,
1162                              idle_info->new_headers,
1163                              idle_info->user_data);
1164         gdk_threads_leave (); /* CHECKED */
1165
1166         /* Frees */
1167         g_object_unref (idle_info->mail_op);
1168         g_free (idle_info);
1169
1170         return FALSE;
1171 }
1172
1173
1174 static gpointer
1175 update_account_thread (gpointer thr_user_data)
1176 {
1177         static gboolean first_time = TRUE;
1178         UpdateAccountInfo *info = NULL;
1179         TnyList *all_folders = NULL;
1180         GPtrArray *new_headers = NULL;
1181         TnyIterator *iter = NULL;
1182         TnyFolderStoreQuery *query = NULL;
1183         ModestMailOperationPrivate *priv = NULL;
1184         ModestTnySendQueue *send_queue = NULL;
1185         gint num_new_headers = 0;
1186
1187         info = (UpdateAccountInfo *) thr_user_data;
1188         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1189
1190         /* Get account and set it into mail_operation */
1191         priv->account = g_object_ref (info->account);
1192
1193         /*
1194          * Previousl, we did this for POP3, to do a logout-login upon send/receive, 
1195          * because many POP-servers (like Gmail) do not
1196          * show any updates unless we do that.
1197          * But that didn't work with gmail anyway, 
1198          * and tinymail now takes care of this itself by disconnecting 
1199          * automatically after using the connection.
1200          */
1201         /*
1202         if (!first_time && TNY_IS_CAMEL_POP_STORE_ACCOUNT (priv->account)) 
1203                 tny_camel_pop_store_account_reconnect (TNY_CAMEL_POP_STORE_ACCOUNT(priv->account));
1204         */
1205
1206         /* Get all the folders. We can do it synchronously because
1207            we're already running in a different thread than the UI */
1208         all_folders = tny_simple_list_new ();
1209         query = tny_folder_store_query_new ();
1210         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1211         tny_folder_store_get_folders (TNY_FOLDER_STORE (info->account),
1212                                       all_folders,
1213                                       query,
1214                                       &(priv->error));
1215         if (priv->error) {
1216                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1217                 goto out;
1218         }
1219
1220         iter = tny_list_create_iterator (all_folders);
1221         while (!tny_iterator_is_done (iter)) {
1222                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1223                 if (folder) {
1224                         recurse_folders (folder, query, all_folders);
1225                         g_object_unref (folder);
1226                 }
1227                 tny_iterator_next (iter);
1228         }
1229         g_object_unref (G_OBJECT (iter));
1230
1231         /* Update status and notify. We need to call the notification
1232            with a source function in order to call it from the main
1233            loop. We need that in order not to get into trouble with
1234            Gtk+. We use a timeout in order to provide more status
1235            information, because the sync tinymail call does not
1236            provide it for the moment */
1237         gint timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1238
1239         /* Refresh folders */
1240         num_new_headers = 0;
1241         new_headers = g_ptr_array_new ();
1242         iter = tny_list_create_iterator (all_folders);
1243
1244         while (!tny_iterator_is_done (iter) && !priv->error && 
1245                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1246
1247                 InternalFolderObserver *observer;
1248                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1249
1250                 /* Refresh the folder */
1251                 /* Our observer receives notification of new emails during folder refreshes,
1252                  * so we can use observer->new_headers.
1253                  */
1254                 observer = g_object_new (internal_folder_observer_get_type (), NULL);
1255                 tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1256                 
1257                 /* This gets the status information (headers) from the server.
1258                  * We use the blocking version, because we are already in a separate 
1259                  * thread.
1260                  */
1261
1262                 if (!g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES) || 
1263                     !g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES_AND_ATTACHMENTS)) {
1264                         TnyIterator *iter;
1265
1266                         /* If the retrieve type is full messages, refresh and get the messages */
1267                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1268
1269                         iter = tny_list_create_iterator (observer->new_headers);
1270                         while (!tny_iterator_is_done (iter)) {
1271                                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
1272                                  
1273                                 /* Apply per-message size limits */
1274                                 if (tny_header_get_message_size (header) < info->max_size)
1275                                         g_ptr_array_add (new_headers, g_object_ref (header));
1276
1277                                 g_object_unref (header);
1278                                 tny_iterator_next (iter);
1279                         }
1280                         g_object_unref (iter);
1281                 } else {
1282                         /* We do not need to do it the first time
1283                            because it's automatically done by the tree
1284                            model */
1285                         if (G_UNLIKELY (!first_time))
1286                                 tny_folder_poke_status (TNY_FOLDER (folder));
1287                 }
1288                 tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1289                 g_object_unref (observer);
1290                 observer = NULL;                        
1291
1292                 if (folder)
1293                         g_object_unref (G_OBJECT (folder));
1294
1295                 if (priv->error)
1296                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1297
1298                 tny_iterator_next (iter);
1299         }
1300
1301         g_object_unref (G_OBJECT (iter));
1302         g_source_remove (timeout);
1303
1304         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1305             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1306             new_headers->len > 0) {
1307                 gint msg_num = 0;
1308
1309                 /* Order by date */
1310                 g_ptr_array_sort (new_headers, (GCompareFunc) compare_headers_by_date);
1311
1312                 /* Apply message count limit */
1313                 /* If the number of messages exceeds the maximum, ask the
1314                  * user to download them all,
1315                  * as per the UI spec "Retrieval Limits" section in 4.4: 
1316                  */
1317                 if (new_headers->len > info->retrieve_limit) {
1318                         /* TODO: Ask the user, instead of just
1319                          * failing, showing
1320                          * mail_nc_msg_count_limit_exceeded, with 'Get
1321                          * all' and 'Newest only' buttons. */
1322                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1323                              MODEST_MAIL_OPERATION_ERROR_RETRIEVAL_NUMBER_LIMIT,
1324                              "The number of messages to retrieve exceeds the chosen limit for account %s\n", 
1325                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1326                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1327                         goto out;
1328                 }
1329                 
1330                 priv->done = 0;
1331                 priv->total = MIN (new_headers->len, info->retrieve_limit);
1332                 while (msg_num < priv->total) {
1333
1334                         TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers, msg_num));
1335                         TnyFolder *folder = tny_header_get_folder (header);
1336                         TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1337                         ModestMailOperationState *state;
1338                         ModestPair* pair;
1339
1340                         priv->done++;
1341                         /* We can not just use the mail operation because the
1342                            values of done and total could change before the
1343                            idle is called */
1344                         state = modest_mail_operation_clone_state (info->mail_op);
1345                         pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1346                         g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1347                                          pair, (GDestroyNotify) modest_pair_free);
1348
1349                         g_object_unref (msg);
1350                         g_object_unref (folder);
1351
1352                         msg_num++;
1353                 }
1354         }
1355
1356         /* Get the number of new headers and free them */
1357         num_new_headers = new_headers->len;
1358         g_ptr_array_foreach (new_headers, (GFunc) g_object_unref, NULL);
1359         g_ptr_array_free (new_headers, FALSE);
1360         
1361         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1362                 goto out;
1363
1364         /* Perform send (if operation was not cancelled) */
1365 /*      priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND; */
1366         priv->done = 0;
1367         priv->total = 0;
1368         if (priv->account != NULL) 
1369                 g_object_unref (priv->account);
1370         priv->account = g_object_ref (info->transport_account);
1371         
1372         send_queue = modest_runtime_get_send_queue (info->transport_account);
1373         if (send_queue) {
1374 /*              timeout = g_timeout_add (250, idle_notify_progress, info->mail_op); */
1375                 modest_tny_send_queue_try_to_send (send_queue);
1376 /*              g_source_remove (timeout); */
1377         } else {
1378                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1379                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1380                              "cannot create a send queue for %s\n", 
1381                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1382                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1383         }
1384         
1385         /* Check if the operation was a success */
1386         if (!priv->error) {
1387                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1388
1389                 /* Update the last updated key */
1390                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1391                                  set_last_updated_idle, 
1392                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1393                                  (GDestroyNotify) g_free);
1394         }
1395
1396  out:
1397
1398         if (info->callback) {
1399                 UpdateAccountInfo *idle_info;
1400
1401                 /* This thread is not in the main lock */
1402                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1403                 idle_info->mail_op = g_object_ref (info->mail_op);
1404                 idle_info->new_headers = num_new_headers;
1405                 idle_info->callback = info->callback;
1406                 g_idle_add (idle_update_account_cb, idle_info);
1407         }
1408
1409         /* Notify about operation end. Note that the info could be
1410            freed before this idle happens, but the mail operation will
1411            be still alive */
1412         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1413
1414         /* Frees */
1415         g_object_unref (query);
1416         g_object_unref (all_folders);
1417         g_object_unref (info->account);
1418         g_object_unref (info->transport_account);
1419         g_free (info->retrieve_type);
1420         g_slice_free (UpdateAccountInfo, info);
1421
1422         first_time = FALSE;
1423
1424         return NULL;
1425 }
1426
1427 gboolean
1428 modest_mail_operation_update_account (ModestMailOperation *self,
1429                                       const gchar *account_name,
1430                                       UpdateAccountCallback callback,
1431                                       gpointer user_data)
1432 {
1433         GThread *thread = NULL;
1434         UpdateAccountInfo *info = NULL;
1435         ModestMailOperationPrivate *priv = NULL;
1436         ModestAccountMgr *mgr = NULL;
1437         TnyStoreAccount *store_account = NULL;
1438         TnyTransportAccount *transport_account = NULL;
1439
1440         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1441         g_return_val_if_fail (account_name, FALSE);
1442
1443         /* Init mail operation. Set total and done to 0, and do not
1444            update them, this way the progress objects will know that
1445            we have no clue about the number of the objects */
1446         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1447         priv->total = 0;
1448         priv->done  = 0;
1449         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1450
1451         /* Get the Modest account */
1452         store_account = (TnyStoreAccount *)
1453                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1454                                                                      account_name,
1455                                                                      TNY_ACCOUNT_TYPE_STORE);
1456                                                                      
1457         /* Make sure that we have a connection, and request one 
1458          * if necessary:
1459          * TODO: Is there some way to trigger this for every attempt to 
1460          * use the network? */
1461         if (!modest_platform_connect_and_wait (NULL, TNY_ACCOUNT (store_account)))
1462                 goto error;
1463
1464         if (!store_account) {
1465                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1466                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1467                              "cannot get tny store account for %s\n", account_name);
1468                 goto error;
1469         }
1470
1471         
1472         /* Get the transport account, we can not do it in the thread
1473            due to some problems with dbus */
1474         transport_account = (TnyTransportAccount *)
1475                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1476                                                                                     account_name);
1477         if (!transport_account) {
1478                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1479                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1480                              "cannot get tny transport account for %s\n", account_name);
1481                 goto error;
1482         }
1483
1484         /* Create the helper object */
1485         info = g_slice_new (UpdateAccountInfo);
1486         info->mail_op = self;
1487         info->account = store_account;
1488         info->transport_account = transport_account;
1489         info->callback = callback;
1490         info->user_data = user_data;
1491
1492         /* Get the message size limit */
1493         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1494                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1495         if (info->max_size == 0)
1496                 info->max_size = G_MAXINT;
1497         else
1498                 info->max_size = info->max_size * KB;
1499
1500         /* Get per-account retrieval type */
1501         mgr = modest_runtime_get_account_mgr ();
1502         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1503                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1504
1505         /* Get per-account message amount retrieval limit */
1506         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1507                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1508         if (info->retrieve_limit == 0)
1509                 info->retrieve_limit = G_MAXINT;
1510                 
1511         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1512
1513         /* Set account busy */
1514         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1515         priv->account_name = g_strdup(account_name);
1516         
1517         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1518
1519         return TRUE;
1520
1521  error:
1522         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1523         if (callback) 
1524                 callback (self, 0, user_data);
1525         modest_mail_operation_notify_end (self);
1526         return FALSE;
1527 }
1528
1529 /* ******************************************************************* */
1530 /* ************************** STORE  ACTIONS ************************* */
1531 /* ******************************************************************* */
1532
1533
1534 TnyFolder *
1535 modest_mail_operation_create_folder (ModestMailOperation *self,
1536                                      TnyFolderStore *parent,
1537                                      const gchar *name)
1538 {
1539         ModestMailOperationPrivate *priv;
1540         TnyFolder *new_folder = NULL;
1541
1542         TnyList *list = tny_simple_list_new ();
1543         TnyFolderStoreQuery *query = tny_folder_store_query_new ();
1544
1545         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1546         g_return_val_if_fail (name, NULL);
1547         
1548         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1549
1550         /* Check for already existing folder */
1551         tny_folder_store_query_add_item (query, name, TNY_FOLDER_STORE_QUERY_OPTION_MATCH_ON_NAME);
1552         tny_folder_store_get_folders (parent, list, query, NULL);
1553         g_object_unref (G_OBJECT (query));
1554
1555         if (tny_list_get_length (list) > 0) {
1556                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1557                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1558                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1559                              _CS("ckdg_ib_folder_already_exists"));
1560         }
1561
1562         g_object_unref (G_OBJECT (list));
1563
1564         /* Check parent */
1565         if (TNY_IS_FOLDER (parent)) {
1566                 /* Check folder rules */
1567                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1568                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1569                         /* Set status failed and set an error */
1570                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1571                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1572                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1573                                      _("mail_in_ui_folder_create_error"));
1574                 }
1575         }
1576
1577         if (!strcmp (name, " ") || strchr (name, '/')) {
1578                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1579                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1580                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1581                              _("mail_in_ui_folder_create_error"));
1582         }
1583
1584         if (!priv->error) {
1585                 /* Create the folder */
1586                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1587                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1588                 if (!priv->error)
1589                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1590         }
1591
1592         /* Notify about operation end */
1593         modest_mail_operation_notify_end (self);
1594
1595         return new_folder;
1596 }
1597
1598 void
1599 modest_mail_operation_remove_folder (ModestMailOperation *self,
1600                                      TnyFolder           *folder,
1601                                      gboolean             remove_to_trash)
1602 {
1603         TnyAccount *account;
1604         ModestMailOperationPrivate *priv;
1605         ModestTnyFolderRules rules;
1606
1607         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1608         g_return_if_fail (TNY_IS_FOLDER (folder));
1609         
1610         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1611         
1612         /* Check folder rules */
1613         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1614         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1615                 /* Set status failed and set an error */
1616                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1617                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1618                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1619                              _("mail_in_ui_folder_delete_error"));
1620                 goto end;
1621         }
1622
1623         /* Get the account */
1624         account = modest_tny_folder_get_account (folder);
1625         priv->account = g_object_ref(account);
1626
1627         /* Delete folder or move to trash */
1628         if (remove_to_trash) {
1629                 TnyFolder *trash_folder = NULL;
1630                 trash_folder = modest_tny_account_get_special_folder (account,
1631                                                                       TNY_FOLDER_TYPE_TRASH);
1632                 /* TODO: error_handling */
1633                 if (trash_folder) {
1634                         modest_mail_operation_xfer_folder (self, folder,
1635                                                     TNY_FOLDER_STORE (trash_folder), 
1636                                                     TRUE, NULL, NULL);
1637                         g_object_unref (trash_folder);
1638                 }
1639         } else {
1640                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1641
1642                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1643                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1644
1645                 if (parent)
1646                         g_object_unref (G_OBJECT (parent));
1647         }
1648         g_object_unref (G_OBJECT (account));
1649
1650  end:
1651         /* Notify about operation end */
1652         modest_mail_operation_notify_end (self);
1653 }
1654
1655 static void
1656 transfer_folder_status_cb (GObject *obj,
1657                            TnyStatus *status,
1658                            gpointer user_data)
1659 {
1660         ModestMailOperation *self;
1661         ModestMailOperationPrivate *priv;
1662         ModestMailOperationState *state;
1663         XFerMsgAsyncHelper *helper;
1664
1665         g_return_if_fail (status != NULL);
1666         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1667
1668         helper = (XFerMsgAsyncHelper *) user_data;
1669         g_return_if_fail (helper != NULL);
1670
1671         self = helper->mail_op;
1672         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1673
1674         priv->done = status->position;
1675         priv->total = status->of_total;
1676
1677         state = modest_mail_operation_clone_state (self);
1678
1679         /* This is not a GDK lock because we are a Tinymail callback
1680          * which is already GDK locked by Tinymail */
1681
1682         /* no gdk_threads_enter (), CHECKED */
1683         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1684         /* no gdk_threads_leave (), CHECKED */
1685
1686         g_slice_free (ModestMailOperationState, state);
1687 }
1688
1689
1690 static void
1691 transfer_folder_cb (TnyFolder *folder, gboolean cancelled, 
1692                     TnyFolderStore *into, 
1693                     TnyFolder *new_folder, 
1694                     GError *err, 
1695                     gpointer user_data)
1696 {
1697         XFerMsgAsyncHelper *helper;
1698         ModestMailOperation *self = NULL;
1699         ModestMailOperationPrivate *priv = NULL;
1700
1701         helper = (XFerMsgAsyncHelper *) user_data;
1702         g_return_if_fail (helper != NULL);       
1703
1704         self = helper->mail_op;
1705         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1706
1707         if (err) {
1708                 priv->error = g_error_copy (err);
1709                 priv->done = 0;
1710                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1711         } else if (cancelled) {
1712                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1713                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1714                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1715                              _("Transference of %s was cancelled."),
1716                              tny_folder_get_name (folder));
1717         } else {
1718                 priv->done = 1;
1719                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1720         }
1721                 
1722         /* Notify about operation end */
1723         modest_mail_operation_notify_end (self);
1724
1725         /* If user defined callback function was defined, call it */
1726         if (helper->user_callback) {
1727
1728                 /* This is not a GDK lock because we are a Tinymail callback
1729                  * which is already GDK locked by Tinymail */
1730
1731                 /* no gdk_threads_enter (), CHECKED */
1732                 helper->user_callback (priv->source, helper->user_data);
1733                 /* no gdk_threads_leave () , CHECKED */
1734         }
1735
1736         /* Free */
1737         g_object_unref (helper->mail_op);
1738         g_slice_free   (XFerMsgAsyncHelper, helper);
1739 }
1740
1741 /**
1742  *
1743  * This function checks if the new name is a valid name for our local
1744  * folders account. The new name could not be the same than then name
1745  * of any of the mandatory local folders
1746  *
1747  * We can not rely on tinymail because tinymail does not check the
1748  * name of the virtual folders that the account could have in the case
1749  * that we're doing a rename (because it directly calls Camel which
1750  * knows nothing about our virtual folders). 
1751  *
1752  * In the case of an actual copy/move (i.e. move/copy a folder between
1753  * accounts) tinymail uses the tny_folder_store_create_account which
1754  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1755  * checks the new name of the folder, so this call in that case
1756  * wouldn't be needed. *But* NOTE that if tinymail changes its
1757  * implementation (if folder transfers within the same account is no
1758  * longer implemented as a rename) this call will allow Modest to work
1759  * perfectly
1760  *
1761  * If the new name is not valid, this function will set the status to
1762  * failed and will set also an error in the mail operation
1763  */
1764 static gboolean
1765 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1766                                  TnyFolderStore *into,
1767                                  const gchar *new_name)
1768 {
1769         if (TNY_IS_ACCOUNT (into) && 
1770             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1771             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1772                                                                  new_name)) {
1773                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1774                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1775                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1776                              _("FIXME: folder name already in use"));
1777                 return FALSE;
1778         } else
1779                 return TRUE;
1780 }
1781
1782 void
1783 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1784                                    TnyFolder *folder,
1785                                    TnyFolderStore *parent,
1786                                    gboolean delete_original,
1787                                    XferMsgsAsynUserCallback user_callback,
1788                                    gpointer user_data)
1789 {
1790         ModestMailOperationPrivate *priv = NULL;
1791         ModestTnyFolderRules parent_rules = 0, rules; 
1792         XFerMsgAsyncHelper *helper = NULL;
1793
1794         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1795         g_return_if_fail (TNY_IS_FOLDER (folder));
1796
1797         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1798
1799         /* Get account and set it into mail_operation */
1800         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1801         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1802
1803         /* Get folder rules */
1804         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1805         if (TNY_IS_FOLDER (parent))
1806                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1807         
1808         /* The moveable restriction is applied also to copy operation */
1809         if ((gpointer) parent == (gpointer) folder ||
1810             (!TNY_IS_FOLDER_STORE (parent)) || 
1811             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1812                 printf("DEBUG: %s: Not allowing the move.\n", __FUNCTION__);
1813                 /* Set status failed and set an error */
1814                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1815                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1816                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1817                              _("mail_in_ui_folder_move_target_error"));
1818
1819                 /* Notify the queue */
1820                 modest_mail_operation_notify_end (self);
1821         } else if (TNY_IS_FOLDER (parent) && 
1822                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1823                 /* Set status failed and set an error */
1824                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1825                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1826                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1827                              _("FIXME: parent folder does not accept new folders"));
1828
1829                 /* Notify the queue */
1830                 modest_mail_operation_notify_end (self);
1831         } else {
1832
1833
1834                 /* Check that the new folder name is not used by any
1835                    special local folder */
1836                 if (new_name_valid_if_local_account (priv, parent, 
1837                                                      tny_folder_get_name (folder))) {
1838                         /* Create the helper */
1839                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1840                         helper->mail_op = g_object_ref(self);
1841                         helper->dest_folder = NULL;
1842                         helper->headers = NULL;
1843                         helper->user_callback = user_callback;
1844                         helper->user_data = user_data;
1845                         
1846                         /* Move/Copy folder */          
1847                         tny_folder_copy_async (folder,
1848                                                parent,
1849                                                tny_folder_get_name (folder),
1850                                                delete_original,
1851                                                transfer_folder_cb,
1852                                                transfer_folder_status_cb,
1853                                                helper);
1854                 } else {
1855                         modest_mail_operation_notify_end (self);
1856                 }
1857         }
1858 }
1859
1860 void
1861 modest_mail_operation_rename_folder (ModestMailOperation *self,
1862                                      TnyFolder *folder,
1863                                      const gchar *name)
1864 {
1865         ModestMailOperationPrivate *priv;
1866         ModestTnyFolderRules rules;
1867         XFerMsgAsyncHelper *helper;
1868
1869         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1870         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1871         g_return_if_fail (name);
1872         
1873         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1874
1875         /* Get account and set it into mail_operation */
1876         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1877
1878         /* Check folder rules */
1879         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1880         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1881                 /* Set status failed and set an error */
1882                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1883                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1884                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1885                              _("FIXME: unable to rename"));
1886
1887                 /* Notify about operation end */
1888                 modest_mail_operation_notify_end (self);
1889         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1890                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1891                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1892                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1893                              _("FIXME: unable to rename"));
1894                 /* Notify about operation end */
1895                 modest_mail_operation_notify_end (self);
1896         } else {
1897                 TnyFolderStore *into;
1898
1899                 into = tny_folder_get_folder_store (folder);    
1900
1901                 /* Check that the new folder name is not used by any
1902                    special local folder */
1903                 if (new_name_valid_if_local_account (priv, into, name)) {
1904                         /* Create the helper */
1905                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1906                         helper->mail_op = g_object_ref(self);
1907                         helper->dest_folder = NULL;
1908                         helper->headers = NULL;
1909                         helper->user_callback = NULL;
1910                         helper->user_data = NULL;
1911                 
1912                         /* Rename. Camel handles folder subscription/unsubscription */
1913                         tny_folder_copy_async (folder, into, name, TRUE,
1914                                                transfer_folder_cb,
1915                                                transfer_folder_status_cb,
1916                                                helper);
1917                 } else {
1918                         modest_mail_operation_notify_end (self);
1919                 }
1920                 g_object_unref (into);
1921         }
1922 }
1923
1924 /* ******************************************************************* */
1925 /* **************************  MSG  ACTIONS  ************************* */
1926 /* ******************************************************************* */
1927
1928 void modest_mail_operation_get_msg (ModestMailOperation *self,
1929                                     TnyHeader *header,
1930                                     GetMsgAsyncUserCallback user_callback,
1931                                     gpointer user_data)
1932 {
1933         GetMsgAsyncHelper *helper = NULL;
1934         TnyFolder *folder;
1935         ModestMailOperationPrivate *priv;
1936         
1937         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1938         g_return_if_fail (TNY_IS_HEADER (header));
1939         
1940         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1941         folder = tny_header_get_folder (header);
1942
1943         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1944
1945         /* Get message from folder */
1946         if (folder) {
1947                 /* Get account and set it into mail_operation */
1948                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1949                 
1950                 /* Check for cached messages */
1951                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
1952                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
1953                 else 
1954                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1955
1956                 helper = g_slice_new0 (GetMsgAsyncHelper);
1957                 helper->mail_op = self;
1958                 helper->user_callback = user_callback;
1959                 helper->user_data = user_data;
1960                 helper->header = g_object_ref (header);
1961
1962                 // The callback's reference so that the mail op is not
1963                 // finalized until the async operation is completed even if
1964                 // the user canceled the request meanwhile.
1965                 g_object_ref (G_OBJECT (helper->mail_op));
1966
1967                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
1968
1969                 g_object_unref (G_OBJECT (folder));
1970         } else {
1971                 /* Set status failed and set an error */
1972                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1973                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1974                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1975                              _("Error trying to get a message. No folder found for header"));
1976
1977                 /* Notify the queue */
1978                 modest_mail_operation_notify_end (self);
1979         }
1980 }
1981
1982 static void
1983 get_msg_cb (TnyFolder *folder, 
1984             gboolean cancelled, 
1985             TnyMsg *msg, 
1986             GError *error, 
1987             gpointer user_data)
1988 {
1989         GetMsgAsyncHelper *helper = NULL;
1990         ModestMailOperation *self = NULL;
1991         ModestMailOperationPrivate *priv = NULL;
1992
1993         helper = (GetMsgAsyncHelper *) user_data;
1994         g_return_if_fail (helper != NULL);       
1995         self = helper->mail_op;
1996         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
1997         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1998
1999         /* Check errors and cancel */
2000         if (error) {
2001                 priv->error = g_error_copy (error);
2002                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2003         } else if (cancelled) {
2004                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2005                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2006                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2007                              _("Error trying to refresh the contents of %s"),
2008                              tny_folder_get_name (folder));
2009         } else {
2010                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2011         }
2012
2013         /* If user defined callback function was defined, call it even
2014            if the operation failed*/
2015         if (helper->user_callback) {
2016                 /* This is not a GDK lock because we are a Tinymail callback
2017                  * which is already GDK locked by Tinymail */
2018
2019                 /* no gdk_threads_enter (), CHECKED */
2020                 helper->user_callback (self, helper->header, msg, helper->user_data);
2021                 /* no gdk_threads_leave (), CHECKED */
2022         }
2023
2024         /* Notify about operation end */
2025         modest_mail_operation_notify_end (self);
2026         /* Free */
2027         g_object_unref (helper->mail_op);
2028         g_object_unref (helper->header);
2029         g_slice_free (GetMsgAsyncHelper, helper);
2030                 
2031 }
2032
2033 static void     
2034 get_msg_status_cb (GObject *obj,
2035                    TnyStatus *status,  
2036                    gpointer user_data)
2037 {
2038         GetMsgAsyncHelper *helper = NULL;
2039         ModestMailOperation *self;
2040         ModestMailOperationPrivate *priv;
2041         ModestMailOperationState *state;
2042
2043         g_return_if_fail (status != NULL);
2044         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2045
2046         helper = (GetMsgAsyncHelper *) user_data;
2047         g_return_if_fail (helper != NULL);       
2048
2049         self = helper->mail_op;
2050         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2051
2052         priv->done = 1;
2053         priv->total = 1;
2054
2055         state = modest_mail_operation_clone_state (self);
2056         state->bytes_done = status->position;
2057         state->bytes_total = status->of_total;
2058
2059         /* This is not a GDK lock because we are a Tinymail callback
2060          * which is already GDK locked by Tinymail */
2061
2062         /* no gdk_threads_enter (), CHECKED */
2063         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2064         /* no gdk_threads_leave (), CHECKED */
2065
2066         g_slice_free (ModestMailOperationState, state);
2067 }
2068
2069 /****************************************************/
2070 typedef struct {
2071         ModestMailOperation *mail_op;
2072         TnyList *headers;
2073         GetMsgAsyncUserCallback user_callback;
2074         gpointer user_data;
2075         GDestroyNotify notify;
2076 } GetFullMsgsInfo;
2077
2078 typedef struct {
2079         GetMsgAsyncUserCallback user_callback;
2080         TnyHeader *header;
2081         TnyMsg *msg;
2082         gpointer user_data;
2083         ModestMailOperation *mail_op;
2084 } NotifyGetMsgsInfo;
2085
2086
2087 /* 
2088  * Used by get_msgs_full_thread to call the user_callback for each
2089  * message that has been read
2090  */
2091 static gboolean
2092 notify_get_msgs_full (gpointer data)
2093 {
2094         NotifyGetMsgsInfo *info;
2095
2096         info = (NotifyGetMsgsInfo *) data;      
2097
2098         /* This is a GDK lock because we are an idle callback and
2099          * because info->user_callback can contain Gtk+ code */
2100
2101         gdk_threads_enter (); /* CHECKED */
2102         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2103         gdk_threads_leave (); /* CHECKED */
2104
2105         g_slice_free (NotifyGetMsgsInfo, info);
2106
2107         return FALSE;
2108 }
2109
2110 /* 
2111  * Used by get_msgs_full_thread to free al the thread resources and to
2112  * call the destroy function for the passed user_data
2113  */
2114 static gboolean
2115 get_msgs_full_destroyer (gpointer data)
2116 {
2117         GetFullMsgsInfo *info;
2118
2119         info = (GetFullMsgsInfo *) data;
2120
2121         if (info->notify) {
2122
2123                 /* This is a GDK lock because we are an idle callback and
2124                  * because info->notify can contain Gtk+ code */
2125
2126                 gdk_threads_enter (); /* CHECKED */
2127                 info->notify (info->user_data);
2128                 gdk_threads_leave (); /* CHECKED */
2129         }
2130
2131         /* free */
2132         g_object_unref (info->headers);
2133         g_slice_free (GetFullMsgsInfo, info);
2134
2135         return FALSE;
2136 }
2137
2138 static gpointer
2139 get_msgs_full_thread (gpointer thr_user_data)
2140 {
2141         GetFullMsgsInfo *info;
2142         ModestMailOperationPrivate *priv = NULL;
2143         TnyIterator *iter = NULL;
2144         
2145         info = (GetFullMsgsInfo *) thr_user_data;       
2146         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2147
2148         iter = tny_list_create_iterator (info->headers);
2149         while (!tny_iterator_is_done (iter)) { 
2150                 TnyHeader *header;
2151                 TnyFolder *folder;
2152                 
2153                 header = TNY_HEADER (tny_iterator_get_current (iter));
2154                 folder = tny_header_get_folder (header);
2155                                 
2156                 /* Check for cached messages */
2157                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2158                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2159                 else 
2160                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2161
2162                 /* Get message from folder */
2163                 if (folder) {
2164                         TnyMsg *msg;
2165                         /* The callback will call it per each header */
2166                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2167
2168                         if (msg) {
2169                                 ModestMailOperationState *state;
2170                                 ModestPair *pair;
2171
2172                                 priv->done++;
2173
2174                                 /* notify progress */
2175                                 state = modest_mail_operation_clone_state (info->mail_op);
2176                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2177                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2178                                                  pair, (GDestroyNotify) modest_pair_free);
2179
2180                                 /* The callback is the responsible for
2181                                    freeing the message */
2182                                 if (info->user_callback) {
2183                                         NotifyGetMsgsInfo *info_notify;
2184                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2185                                         info_notify->user_callback = info->user_callback;
2186                                         info_notify->mail_op = info->mail_op;
2187                                         info_notify->header = g_object_ref (header);
2188                                         info_notify->msg = g_object_ref (msg);
2189                                         info_notify->user_data = info->user_data;
2190                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2191                                                          notify_get_msgs_full, 
2192                                                          info_notify, NULL);
2193                                 }
2194                                 g_object_unref (msg);
2195                         } 
2196                 } else {
2197                         /* Set status failed and set an error */
2198                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2199                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2200                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2201                                      "Error trying to get a message. No folder found for header");
2202                 }
2203
2204                 if (header)
2205                         g_object_unref (header);
2206                 
2207                 tny_iterator_next (iter);
2208         }
2209
2210         /* Set operation status */
2211         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2212                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2213
2214         /* Notify about operation end */
2215         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2216
2217         /* Free thread resources. Will be called after all previous idles */
2218         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2219
2220         return NULL;
2221 }
2222
2223 void 
2224 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2225                                      TnyList *header_list, 
2226                                      GetMsgAsyncUserCallback user_callback,
2227                                      gpointer user_data,
2228                                      GDestroyNotify notify)
2229 {
2230         TnyHeader *header = NULL;
2231         TnyFolder *folder = NULL;
2232         GThread *thread;
2233         ModestMailOperationPrivate *priv = NULL;
2234         GetFullMsgsInfo *info = NULL;
2235         gboolean size_ok = TRUE;
2236         gint max_size;
2237         TnyIterator *iter = NULL;
2238         
2239         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2240         
2241         /* Init mail operation */
2242         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2243         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2244         priv->done = 0;
2245         priv->total = tny_list_get_length(header_list);
2246
2247         /* Get account and set it into mail_operation */
2248         if (tny_list_get_length (header_list) >= 1) {
2249                 iter = tny_list_create_iterator (header_list);
2250                 header = TNY_HEADER (tny_iterator_get_current (iter));
2251                 if (header) {
2252                         folder = tny_header_get_folder (header);
2253                         if (folder) {           
2254                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2255
2256                                 g_object_unref (folder);
2257                         }
2258
2259                         g_object_unref (header);
2260                 }
2261
2262                 if (tny_list_get_length (header_list) == 1) {
2263                         g_object_unref (iter);
2264                         iter = NULL;
2265                 }
2266         }
2267
2268         /* Get msg size limit */
2269         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2270                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2271                                          &(priv->error));
2272         if (priv->error) {
2273                 g_clear_error (&(priv->error));
2274                 max_size = G_MAXINT;
2275         } else {
2276                 max_size = max_size * KB;
2277         }
2278
2279         /* Check message size limits. If there is only one message
2280            always retrieve it */
2281         if (iter != NULL) {
2282                 while (!tny_iterator_is_done (iter) && size_ok) {
2283                         header = TNY_HEADER (tny_iterator_get_current (iter));
2284                         if (header) {
2285                                 if (tny_header_get_message_size (header) >= max_size)
2286                                         size_ok = FALSE;
2287                                 g_object_unref (header);
2288                         }
2289
2290                         tny_iterator_next (iter);
2291                 }
2292                 g_object_unref (iter);
2293         }
2294
2295         if (size_ok) {
2296                 /* Create the info */
2297                 info = g_slice_new0 (GetFullMsgsInfo);
2298                 info->mail_op = self;
2299                 info->user_callback = user_callback;
2300                 info->user_data = user_data;
2301                 info->headers = g_object_ref (header_list);
2302                 info->notify = notify;
2303
2304                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2305         } else {
2306                 /* Set status failed and set an error */
2307                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2308                 /* FIXME: the error msg is different for pop */
2309                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2310                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2311                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2312                 /* Remove from queue and free resources */
2313                 modest_mail_operation_notify_end (self);
2314                 if (notify)
2315                         notify (user_data);
2316         }
2317 }
2318
2319
2320 void 
2321 modest_mail_operation_remove_msg (ModestMailOperation *self,  TnyHeader *header,
2322                                   gboolean remove_to_trash /*ignored*/)
2323 {
2324         TnyFolder *folder;
2325         ModestMailOperationPrivate *priv;
2326
2327         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2328         g_return_if_fail (TNY_IS_HEADER (header));
2329
2330         if (remove_to_trash)
2331                 g_warning ("remove to trash is not implemented");
2332
2333         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2334         folder = tny_header_get_folder (header);
2335
2336         /* Get account and set it into mail_operation */
2337         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2338
2339         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2340
2341         /* remove message from folder */
2342         tny_folder_remove_msg (folder, header, &(priv->error));
2343 /*      if (!priv->error) { */
2344 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
2345 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
2346
2347 /*              if (TNY_IS_CAMEL_IMAP_FOLDER (folder)) */
2348 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2349 /* /\*                  tny_folder_sync (folder, FALSE, &(priv->error)); /\\* FALSE --> don't expunge *\\/ *\/ */
2350 /*              else if (TNY_IS_CAMEL_POP_FOLDER (folder)) */
2351 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2352 /* /\*                  tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
2353 /*              else */
2354 /*                      /\* local folders *\/ */
2355 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2356 /* /\*                  tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
2357 /*      } */
2358         
2359         
2360         /* Set status */
2361         if (!priv->error)
2362                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2363         else
2364                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2365
2366         /* Free */
2367         g_object_unref (G_OBJECT (folder));
2368
2369         /* Notify about operation end */
2370         modest_mail_operation_notify_end (self);
2371 }
2372
2373 static void
2374 transfer_msgs_status_cb (GObject *obj,
2375                          TnyStatus *status,  
2376                          gpointer user_data)
2377 {
2378         XFerMsgAsyncHelper *helper = NULL;
2379         ModestMailOperation *self;
2380         ModestMailOperationPrivate *priv;
2381         ModestMailOperationState *state;
2382
2383
2384         g_return_if_fail (status != NULL);
2385         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2386
2387         helper = (XFerMsgAsyncHelper *) user_data;
2388         g_return_if_fail (helper != NULL);       
2389
2390         self = helper->mail_op;
2391         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2392
2393         priv->done = status->position;
2394         priv->total = status->of_total;
2395
2396         state = modest_mail_operation_clone_state (self);
2397
2398         /* This is not a GDK lock because we are a Tinymail callback and
2399          * Tinymail already acquires the Gdk lock */
2400
2401         /* no gdk_threads_enter (), CHECKED */
2402
2403         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2404
2405         /* no gdk_threads_leave (), CHECKED */
2406
2407         g_slice_free (ModestMailOperationState, state);
2408 }
2409
2410
2411 static void
2412 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2413 {
2414         XFerMsgAsyncHelper *helper;
2415         ModestMailOperation *self;
2416         ModestMailOperationPrivate *priv;
2417         TnyIterator *iter = NULL;
2418         TnyHeader *header = NULL;
2419
2420         helper = (XFerMsgAsyncHelper *) user_data;
2421         self = helper->mail_op;
2422
2423         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2424
2425         if (err) {
2426                 priv->error = g_error_copy (err);
2427                 priv->done = 0;
2428                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2429         } else if (cancelled) {
2430                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2431                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2432                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2433                              _("Error trying to refresh the contents of %s"),
2434                              tny_folder_get_name (folder));
2435         } else {
2436                 priv->done = 1;
2437                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2438         }
2439
2440         
2441         /* Mark headers as deleted and seen */
2442         if ((helper->delete) && 
2443             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2444                 iter = tny_list_create_iterator (helper->headers);
2445                 while (!tny_iterator_is_done (iter)) {
2446                         header = TNY_HEADER (tny_iterator_get_current (iter));
2447                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2448                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2449                         g_object_unref (header);
2450
2451                         tny_iterator_next (iter);
2452                 }
2453
2454         }
2455                 
2456
2457         /* Notify about operation end */
2458         modest_mail_operation_notify_end (self);
2459
2460         /* If user defined callback function was defined, call it */
2461         if (helper->user_callback) {
2462                 /* This is not a GDK lock because we are a Tinymail callback and
2463                  * Tinymail already acquires the Gdk lock */
2464
2465                 /* no gdk_threads_enter (), CHECKED */
2466                 helper->user_callback (priv->source, helper->user_data);
2467                 /* no gdk_threads_leave (), CHECKED */
2468         }
2469
2470         /* Free */
2471         if (helper->headers)
2472                 g_object_unref (helper->headers);
2473         if (helper->dest_folder)
2474                 g_object_unref (helper->dest_folder);
2475         if (helper->mail_op)
2476                 g_object_unref (helper->mail_op);
2477         if (folder)
2478                 g_object_unref (folder);
2479         if (iter)
2480                 g_object_unref (iter);
2481         g_slice_free   (XFerMsgAsyncHelper, helper);
2482
2483 }
2484
2485 void
2486 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2487                                  TnyList *headers, 
2488                                  TnyFolder *folder, 
2489                                  gboolean delete_original,
2490                                  XferMsgsAsynUserCallback user_callback,
2491                                  gpointer user_data)
2492 {
2493         ModestMailOperationPrivate *priv = NULL;
2494         TnyIterator *iter = NULL;
2495         TnyFolder *src_folder = NULL;
2496         XFerMsgAsyncHelper *helper = NULL;
2497         TnyHeader *header = NULL;
2498         ModestTnyFolderRules rules = 0;
2499         const gchar *id1 = NULL;
2500         const gchar *id2 = NULL;
2501         gboolean same_folder = FALSE;
2502
2503         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2504         g_return_if_fail (TNY_IS_LIST (headers));
2505         g_return_if_fail (TNY_IS_FOLDER (folder));
2506
2507         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2508         priv->total = 1;
2509         priv->done = 0;
2510         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2511
2512         /* Apply folder rules */
2513         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2514         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2515                 /* Set status failed and set an error */
2516                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2517                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2518                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2519                              _CS("ckct_ib_unable_to_paste_here"));
2520                 /* Notify the queue */
2521                 modest_mail_operation_notify_end (self);
2522                 return;
2523         }
2524                 
2525         /* Get source folder */
2526         iter = tny_list_create_iterator (headers);
2527         header = TNY_HEADER (tny_iterator_get_current (iter));
2528         if (header) {
2529                 src_folder = tny_header_get_folder (header);
2530                 g_object_unref (header);
2531         }
2532
2533         g_object_unref (iter);
2534
2535         /* Check folder source and destination */
2536         id1 = tny_folder_get_id (src_folder);
2537         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2538         same_folder = !g_ascii_strcasecmp (id1, id2);
2539         if (same_folder) {
2540                 /* Set status failed and set an error */
2541                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2542                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2543                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2544                              _("mcen_ib_unable_to_copy_samefolder"));
2545                 
2546                 /* Notify the queue */
2547                 modest_mail_operation_notify_end (self);
2548                 
2549                 /* Free */
2550                 g_object_unref (src_folder);            
2551                 return;
2552         }
2553
2554         /* Create the helper */
2555         helper = g_slice_new0 (XFerMsgAsyncHelper);
2556         helper->mail_op = g_object_ref(self);
2557         helper->dest_folder = g_object_ref(folder);
2558         helper->headers = g_object_ref(headers);
2559         helper->user_callback = user_callback;
2560         helper->user_data = user_data;
2561         helper->delete = delete_original;
2562
2563         /* Get account and set it into mail_operation */
2564         priv->account = modest_tny_folder_get_account (src_folder);
2565
2566         /* Transfer messages */
2567         tny_folder_transfer_msgs_async (src_folder, 
2568                                         headers, 
2569                                         folder, 
2570                                         delete_original, 
2571                                         transfer_msgs_cb, 
2572                                         transfer_msgs_status_cb,
2573                                         helper);
2574 }
2575
2576
2577 static void
2578 on_refresh_folder (TnyFolder   *folder, 
2579                    gboolean     cancelled, 
2580                    GError     *error,
2581                    gpointer     user_data)
2582 {
2583         RefreshAsyncHelper *helper = NULL;
2584         ModestMailOperation *self = NULL;
2585         ModestMailOperationPrivate *priv = NULL;
2586
2587         helper = (RefreshAsyncHelper *) user_data;
2588         self = helper->mail_op;
2589         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2590
2591         g_return_if_fail(priv!=NULL);
2592
2593         if (error) {
2594                 priv->error = g_error_copy (error);
2595                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2596                 goto out;
2597         }
2598
2599         if (cancelled) {
2600                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2601                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2602                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2603                              _("Error trying to refresh the contents of %s"),
2604                              tny_folder_get_name (folder));
2605                 goto out;
2606         }
2607
2608         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2609  out:
2610         /* Call user defined callback, if it exists */
2611         if (helper->user_callback) {
2612
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 (self, folder, helper->user_data);
2618                 /* no gdk_threads_leave (), CHECKED */
2619         }
2620
2621         /* Free */
2622         g_slice_free   (RefreshAsyncHelper, helper);
2623
2624         /* Notify about operation end */
2625         modest_mail_operation_notify_end (self);
2626         g_object_unref(self);
2627 }
2628
2629 static void
2630 on_refresh_folder_status_update (GObject *obj,
2631                                  TnyStatus *status,
2632                                  gpointer user_data)
2633 {
2634         RefreshAsyncHelper *helper = NULL;
2635         ModestMailOperation *self = NULL;
2636         ModestMailOperationPrivate *priv = NULL;
2637         ModestMailOperationState *state;
2638
2639         g_return_if_fail (user_data != NULL);
2640         g_return_if_fail (status != NULL);
2641         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2642
2643         helper = (RefreshAsyncHelper *) user_data;
2644         self = helper->mail_op;
2645         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2646
2647         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2648
2649         priv->done = status->position;
2650         priv->total = status->of_total;
2651
2652         state = modest_mail_operation_clone_state (self);
2653
2654         /* This is not a GDK lock because we are a Tinymail callback and
2655          * Tinymail already acquires the Gdk lock */
2656
2657         /* no gdk_threads_enter (), CHECKED */
2658
2659         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2660
2661         /* no gdk_threads_leave (), CHECKED */
2662
2663         g_slice_free (ModestMailOperationState, state);
2664 }
2665
2666 void 
2667 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2668                                        TnyFolder *folder,
2669                                        RefreshAsyncUserCallback user_callback,
2670                                        gpointer user_data)
2671 {
2672         ModestMailOperationPrivate *priv = NULL;
2673         RefreshAsyncHelper *helper = NULL;
2674
2675         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2676
2677         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2678
2679         /* Get account and set it into mail_operation */
2680         priv->account = modest_tny_folder_get_account  (folder);
2681
2682         /* Create the helper */
2683         helper = g_slice_new0 (RefreshAsyncHelper);
2684         helper->mail_op = g_object_ref(self);
2685         helper->user_callback = user_callback;
2686         helper->user_data = user_data;
2687
2688         /* Refresh the folder. TODO: tinymail could issue a status
2689            updates before the callback call then this could happen. We
2690            must review the design */
2691         tny_folder_refresh_async (folder,
2692                                   on_refresh_folder,
2693                                   on_refresh_folder_status_update,
2694                                   helper);
2695 }
2696
2697 /**
2698  *
2699  * It's used by the mail operation queue to notify the observers
2700  * attached to that signal that the operation finished. We need to use
2701  * that because tinymail does not give us the progress of a given
2702  * operation when it finishes (it directly calls the operation
2703  * callback).
2704  */
2705 static void
2706 modest_mail_operation_notify_end (ModestMailOperation *self)
2707 {
2708         ModestMailOperationState *state;
2709         ModestMailOperationPrivate *priv = NULL;
2710
2711         g_return_if_fail (self);
2712
2713         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2714
2715         /* Set the account back to not busy */
2716         if (priv->account_name) {
2717                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2718                                                      priv->account_name, FALSE);
2719                 g_free(priv->account_name);
2720                 priv->account_name = NULL;
2721         }
2722         
2723         /* Notify the observers about the mail operation end */
2724         /* We do not wrapp this emission because we assume that this
2725            function is always called from within the main lock */
2726         state = modest_mail_operation_clone_state (self);
2727         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2728         g_slice_free (ModestMailOperationState, state);
2729 }