* fix some issues on progress-bar to show more pulses on
[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, 
1692                     TnyFolderStore *into, 
1693                     gboolean cancelled, 
1694                     TnyFolder *new_folder, 
1695                     GError **err, 
1696                     gpointer user_data)
1697 {
1698         XFerMsgAsyncHelper *helper;
1699         ModestMailOperation *self = NULL;
1700         ModestMailOperationPrivate *priv = NULL;
1701
1702         helper = (XFerMsgAsyncHelper *) user_data;
1703         g_return_if_fail (helper != NULL);       
1704
1705         self = helper->mail_op;
1706         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1707
1708         if (*err) {
1709                 priv->error = g_error_copy (*err);
1710                 priv->done = 0;
1711                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1712         } else if (cancelled) {
1713                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1714                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1715                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1716                              _("Transference of %s was cancelled."),
1717                              tny_folder_get_name (folder));
1718         } else {
1719                 priv->done = 1;
1720                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1721         }
1722                 
1723         /* Notify about operation end */
1724         modest_mail_operation_notify_end (self);
1725
1726         /* If user defined callback function was defined, call it */
1727         if (helper->user_callback) {
1728
1729                 /* This is not a GDK lock because we are a Tinymail callback
1730                  * which is already GDK locked by Tinymail */
1731
1732                 /* no gdk_threads_enter (), CHECKED */
1733                 helper->user_callback (priv->source, helper->user_data);
1734                 /* no gdk_threads_leave () , CHECKED */
1735         }
1736
1737         /* Free */
1738         g_object_unref (helper->mail_op);
1739         g_slice_free   (XFerMsgAsyncHelper, helper);
1740 }
1741
1742 /**
1743  *
1744  * This function checks if the new name is a valid name for our local
1745  * folders account. The new name could not be the same than then name
1746  * of any of the mandatory local folders
1747  *
1748  * We can not rely on tinymail because tinymail does not check the
1749  * name of the virtual folders that the account could have in the case
1750  * that we're doing a rename (because it directly calls Camel which
1751  * knows nothing about our virtual folders). 
1752  *
1753  * In the case of an actual copy/move (i.e. move/copy a folder between
1754  * accounts) tinymail uses the tny_folder_store_create_account which
1755  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1756  * checks the new name of the folder, so this call in that case
1757  * wouldn't be needed. *But* NOTE that if tinymail changes its
1758  * implementation (if folder transfers within the same account is no
1759  * longer implemented as a rename) this call will allow Modest to work
1760  * perfectly
1761  *
1762  * If the new name is not valid, this function will set the status to
1763  * failed and will set also an error in the mail operation
1764  */
1765 static gboolean
1766 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1767                                  TnyFolderStore *into,
1768                                  const gchar *new_name)
1769 {
1770         if (TNY_IS_ACCOUNT (into) && 
1771             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1772             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1773                                                                  new_name)) {
1774                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1775                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1776                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1777                              _("FIXME: folder name already in use"));
1778                 return FALSE;
1779         } else
1780                 return TRUE;
1781 }
1782
1783 void
1784 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1785                                    TnyFolder *folder,
1786                                    TnyFolderStore *parent,
1787                                    gboolean delete_original,
1788                                    XferMsgsAsynUserCallback user_callback,
1789                                    gpointer user_data)
1790 {
1791         ModestMailOperationPrivate *priv = NULL;
1792         ModestTnyFolderRules parent_rules = 0, rules; 
1793         XFerMsgAsyncHelper *helper = NULL;
1794
1795         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1796         g_return_if_fail (TNY_IS_FOLDER (folder));
1797
1798         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1799
1800         /* Get account and set it into mail_operation */
1801         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1802         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1803
1804         /* Get folder rules */
1805         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1806         if (TNY_IS_FOLDER (parent))
1807                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1808         
1809         /* The moveable restriction is applied also to copy operation */
1810         if ((gpointer) parent == (gpointer) folder ||
1811             (!TNY_IS_FOLDER_STORE (parent)) || 
1812             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1813                 printf("DEBUG: %s: Not allowing the move.\n", __FUNCTION__);
1814                 /* Set status failed and set an error */
1815                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1816                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1817                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1818                              _("mail_in_ui_folder_move_target_error"));
1819
1820                 /* Notify the queue */
1821                 modest_mail_operation_notify_end (self);
1822         } else if (TNY_IS_FOLDER (parent) && 
1823                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1824                 /* Set status failed and set an error */
1825                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1826                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1827                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1828                              _("FIXME: parent folder does not accept new folders"));
1829
1830                 /* Notify the queue */
1831                 modest_mail_operation_notify_end (self);
1832         } else {
1833
1834
1835                 /* Check that the new folder name is not used by any
1836                    special local folder */
1837                 if (new_name_valid_if_local_account (priv, parent, 
1838                                                      tny_folder_get_name (folder))) {
1839                         /* Create the helper */
1840                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1841                         helper->mail_op = g_object_ref(self);
1842                         helper->dest_folder = NULL;
1843                         helper->headers = NULL;
1844                         helper->user_callback = user_callback;
1845                         helper->user_data = user_data;
1846                         
1847                         /* Move/Copy folder */          
1848                         tny_folder_copy_async (folder,
1849                                                parent,
1850                                                tny_folder_get_name (folder),
1851                                                delete_original,
1852                                                transfer_folder_cb,
1853                                                transfer_folder_status_cb,
1854                                                helper);
1855                 } else {
1856                         modest_mail_operation_notify_end (self);
1857                 }
1858         }
1859 }
1860
1861 void
1862 modest_mail_operation_rename_folder (ModestMailOperation *self,
1863                                      TnyFolder *folder,
1864                                      const gchar *name)
1865 {
1866         ModestMailOperationPrivate *priv;
1867         ModestTnyFolderRules rules;
1868         XFerMsgAsyncHelper *helper;
1869
1870         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1871         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1872         g_return_if_fail (name);
1873         
1874         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1875
1876         /* Get account and set it into mail_operation */
1877         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1878
1879         /* Check folder rules */
1880         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1881         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1882                 /* Set status failed and set an error */
1883                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1884                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1885                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1886                              _("FIXME: unable to rename"));
1887
1888                 /* Notify about operation end */
1889                 modest_mail_operation_notify_end (self);
1890         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1891                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1892                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1893                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1894                              _("FIXME: unable to rename"));
1895                 /* Notify about operation end */
1896                 modest_mail_operation_notify_end (self);
1897         } else {
1898                 TnyFolderStore *into;
1899
1900                 into = tny_folder_get_folder_store (folder);    
1901
1902                 /* Check that the new folder name is not used by any
1903                    special local folder */
1904                 if (new_name_valid_if_local_account (priv, into, name)) {
1905                         /* Create the helper */
1906                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1907                         helper->mail_op = g_object_ref(self);
1908                         helper->dest_folder = NULL;
1909                         helper->headers = NULL;
1910                         helper->user_callback = NULL;
1911                         helper->user_data = NULL;
1912                 
1913                         /* Rename. Camel handles folder subscription/unsubscription */
1914                         tny_folder_copy_async (folder, into, name, TRUE,
1915                                                transfer_folder_cb,
1916                                                transfer_folder_status_cb,
1917                                                helper);
1918                 } else {
1919                         modest_mail_operation_notify_end (self);
1920                 }
1921                 g_object_unref (into);
1922         }
1923 }
1924
1925 /* ******************************************************************* */
1926 /* **************************  MSG  ACTIONS  ************************* */
1927 /* ******************************************************************* */
1928
1929 void modest_mail_operation_get_msg (ModestMailOperation *self,
1930                                     TnyHeader *header,
1931                                     GetMsgAsyncUserCallback user_callback,
1932                                     gpointer user_data)
1933 {
1934         GetMsgAsyncHelper *helper = NULL;
1935         TnyFolder *folder;
1936         ModestMailOperationPrivate *priv;
1937         
1938         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1939         g_return_if_fail (TNY_IS_HEADER (header));
1940         
1941         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1942         folder = tny_header_get_folder (header);
1943
1944         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1945
1946         /* Get message from folder */
1947         if (folder) {
1948                 /* Get account and set it into mail_operation */
1949                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1950                 
1951                 /* Check for cached messages */
1952                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
1953                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
1954                 else 
1955                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1956
1957                 helper = g_slice_new0 (GetMsgAsyncHelper);
1958                 helper->mail_op = self;
1959                 helper->user_callback = user_callback;
1960                 helper->user_data = user_data;
1961                 helper->header = g_object_ref (header);
1962
1963                 // The callback's reference so that the mail op is not
1964                 // finalized until the async operation is completed even if
1965                 // the user canceled the request meanwhile.
1966                 g_object_ref (G_OBJECT (helper->mail_op));
1967
1968                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
1969
1970                 g_object_unref (G_OBJECT (folder));
1971         } else {
1972                 /* Set status failed and set an error */
1973                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1974                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1975                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1976                              _("Error trying to get a message. No folder found for header"));
1977
1978                 /* Notify the queue */
1979                 modest_mail_operation_notify_end (self);
1980         }
1981 }
1982
1983 static void
1984 get_msg_cb (TnyFolder *folder, 
1985             gboolean cancelled, 
1986             TnyMsg *msg, 
1987             GError **error, 
1988             gpointer user_data)
1989 {
1990         GetMsgAsyncHelper *helper = NULL;
1991         ModestMailOperation *self = NULL;
1992         ModestMailOperationPrivate *priv = NULL;
1993
1994         helper = (GetMsgAsyncHelper *) user_data;
1995         g_return_if_fail (helper != NULL);       
1996         self = helper->mail_op;
1997         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
1998         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1999
2000         /* Check errors and cancel */
2001         if (*error) {
2002                 priv->error = g_error_copy (*error);
2003                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2004         } else if (cancelled) {
2005                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2006                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2007                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2008                              _("Error trying to refresh the contents of %s"),
2009                              tny_folder_get_name (folder));
2010         } else {
2011                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2012         }
2013
2014         /* If user defined callback function was defined, call it even
2015            if the operation failed*/
2016         if (helper->user_callback) {
2017                 /* This is not a GDK lock because we are a Tinymail callback
2018                  * which is already GDK locked by Tinymail */
2019
2020                 /* no gdk_threads_enter (), CHECKED */
2021                 helper->user_callback (self, helper->header, msg, helper->user_data);
2022                 /* no gdk_threads_leave (), CHECKED */
2023         }
2024
2025         /* Notify about operation end */
2026         modest_mail_operation_notify_end (self);
2027         /* Free */
2028         g_object_unref (helper->mail_op);
2029         g_object_unref (helper->header);
2030         g_slice_free (GetMsgAsyncHelper, helper);
2031                 
2032 }
2033
2034 static void     
2035 get_msg_status_cb (GObject *obj,
2036                    TnyStatus *status,  
2037                    gpointer user_data)
2038 {
2039         GetMsgAsyncHelper *helper = NULL;
2040         ModestMailOperation *self;
2041         ModestMailOperationPrivate *priv;
2042         ModestMailOperationState *state;
2043
2044         g_return_if_fail (status != NULL);
2045         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2046
2047         helper = (GetMsgAsyncHelper *) user_data;
2048         g_return_if_fail (helper != NULL);       
2049
2050         self = helper->mail_op;
2051         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2052
2053         priv->done = 1;
2054         priv->total = 1;
2055
2056         state = modest_mail_operation_clone_state (self);
2057         state->bytes_done = status->position;
2058         state->bytes_total = status->of_total;
2059
2060         /* This is not a GDK lock because we are a Tinymail callback
2061          * which is already GDK locked by Tinymail */
2062
2063         /* no gdk_threads_enter (), CHECKED */
2064         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2065         /* no gdk_threads_leave (), CHECKED */
2066
2067         g_slice_free (ModestMailOperationState, state);
2068 }
2069
2070 /****************************************************/
2071 typedef struct {
2072         ModestMailOperation *mail_op;
2073         TnyList *headers;
2074         GetMsgAsyncUserCallback user_callback;
2075         gpointer user_data;
2076         GDestroyNotify notify;
2077 } GetFullMsgsInfo;
2078
2079 typedef struct {
2080         GetMsgAsyncUserCallback user_callback;
2081         TnyHeader *header;
2082         TnyMsg *msg;
2083         gpointer user_data;
2084         ModestMailOperation *mail_op;
2085 } NotifyGetMsgsInfo;
2086
2087
2088 /* 
2089  * Used by get_msgs_full_thread to call the user_callback for each
2090  * message that has been read
2091  */
2092 static gboolean
2093 notify_get_msgs_full (gpointer data)
2094 {
2095         NotifyGetMsgsInfo *info;
2096
2097         info = (NotifyGetMsgsInfo *) data;      
2098
2099         /* This is a GDK lock because we are an idle callback and
2100          * because info->user_callback can contain Gtk+ code */
2101
2102         gdk_threads_enter (); /* CHECKED */
2103         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2104         gdk_threads_leave (); /* CHECKED */
2105
2106         g_slice_free (NotifyGetMsgsInfo, info);
2107
2108         return FALSE;
2109 }
2110
2111 /* 
2112  * Used by get_msgs_full_thread to free al the thread resources and to
2113  * call the destroy function for the passed user_data
2114  */
2115 static gboolean
2116 get_msgs_full_destroyer (gpointer data)
2117 {
2118         GetFullMsgsInfo *info;
2119
2120         info = (GetFullMsgsInfo *) data;
2121
2122         if (info->notify) {
2123
2124                 /* This is a GDK lock because we are an idle callback and
2125                  * because info->notify can contain Gtk+ code */
2126
2127                 gdk_threads_enter (); /* CHECKED */
2128                 info->notify (info->user_data);
2129                 gdk_threads_leave (); /* CHECKED */
2130         }
2131
2132         /* free */
2133         g_object_unref (info->headers);
2134         g_slice_free (GetFullMsgsInfo, info);
2135
2136         return FALSE;
2137 }
2138
2139 static gpointer
2140 get_msgs_full_thread (gpointer thr_user_data)
2141 {
2142         GetFullMsgsInfo *info;
2143         ModestMailOperationPrivate *priv = NULL;
2144         TnyIterator *iter = NULL;
2145         
2146         info = (GetFullMsgsInfo *) thr_user_data;       
2147         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2148
2149         iter = tny_list_create_iterator (info->headers);
2150         while (!tny_iterator_is_done (iter)) { 
2151                 TnyHeader *header;
2152                 TnyFolder *folder;
2153                 
2154                 header = TNY_HEADER (tny_iterator_get_current (iter));
2155                 folder = tny_header_get_folder (header);
2156                                 
2157                 /* Check for cached messages */
2158                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2159                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2160                 else 
2161                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2162
2163                 /* Get message from folder */
2164                 if (folder) {
2165                         TnyMsg *msg;
2166                         /* The callback will call it per each header */
2167                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2168
2169                         if (msg) {
2170                                 ModestMailOperationState *state;
2171                                 ModestPair *pair;
2172
2173                                 priv->done++;
2174
2175                                 /* notify progress */
2176                                 state = modest_mail_operation_clone_state (info->mail_op);
2177                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2178                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2179                                                  pair, (GDestroyNotify) modest_pair_free);
2180
2181                                 /* The callback is the responsible for
2182                                    freeing the message */
2183                                 if (info->user_callback) {
2184                                         NotifyGetMsgsInfo *info_notify;
2185                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2186                                         info_notify->user_callback = info->user_callback;
2187                                         info_notify->mail_op = info->mail_op;
2188                                         info_notify->header = g_object_ref (header);
2189                                         info_notify->msg = g_object_ref (msg);
2190                                         info_notify->user_data = info->user_data;
2191                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2192                                                          notify_get_msgs_full, 
2193                                                          info_notify, NULL);
2194                                 }
2195                                 g_object_unref (msg);
2196                         } 
2197                 } else {
2198                         /* Set status failed and set an error */
2199                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2200                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2201                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2202                                      "Error trying to get a message. No folder found for header");
2203                 }
2204
2205                 if (header)
2206                         g_object_unref (header);
2207                 
2208                 tny_iterator_next (iter);
2209         }
2210
2211         /* Set operation status */
2212         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2213                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2214
2215         /* Notify about operation end */
2216         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2217
2218         /* Free thread resources. Will be called after all previous idles */
2219         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2220
2221         return NULL;
2222 }
2223
2224 void 
2225 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2226                                      TnyList *header_list, 
2227                                      GetMsgAsyncUserCallback user_callback,
2228                                      gpointer user_data,
2229                                      GDestroyNotify notify)
2230 {
2231         TnyHeader *header = NULL;
2232         TnyFolder *folder = NULL;
2233         GThread *thread;
2234         ModestMailOperationPrivate *priv = NULL;
2235         GetFullMsgsInfo *info = NULL;
2236         gboolean size_ok = TRUE;
2237         gint max_size;
2238         TnyIterator *iter = NULL;
2239         
2240         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2241         
2242         /* Init mail operation */
2243         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2244         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2245         priv->done = 0;
2246         priv->total = tny_list_get_length(header_list);
2247
2248         /* Get account and set it into mail_operation */
2249         if (tny_list_get_length (header_list) >= 1) {
2250                 iter = tny_list_create_iterator (header_list);
2251                 header = TNY_HEADER (tny_iterator_get_current (iter));
2252                 if (header) {
2253                         folder = tny_header_get_folder (header);
2254                         if (folder) {           
2255                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2256
2257                                 g_object_unref (folder);
2258                         }
2259
2260                         g_object_unref (header);
2261                 }
2262
2263                 if (tny_list_get_length (header_list) == 1) {
2264                         g_object_unref (iter);
2265                         iter = NULL;
2266                 }
2267         }
2268
2269         /* Get msg size limit */
2270         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2271                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2272                                          &(priv->error));
2273         if (priv->error) {
2274                 g_clear_error (&(priv->error));
2275                 max_size = G_MAXINT;
2276         } else {
2277                 max_size = max_size * KB;
2278         }
2279
2280         /* Check message size limits. If there is only one message
2281            always retrieve it */
2282         if (iter != NULL) {
2283                 while (!tny_iterator_is_done (iter) && size_ok) {
2284                         header = TNY_HEADER (tny_iterator_get_current (iter));
2285                         if (header) {
2286                                 if (tny_header_get_message_size (header) >= max_size)
2287                                         size_ok = FALSE;
2288                                 g_object_unref (header);
2289                         }
2290
2291                         tny_iterator_next (iter);
2292                 }
2293                 g_object_unref (iter);
2294         }
2295
2296         if (size_ok) {
2297                 /* Create the info */
2298                 info = g_slice_new0 (GetFullMsgsInfo);
2299                 info->mail_op = self;
2300                 info->user_callback = user_callback;
2301                 info->user_data = user_data;
2302                 info->headers = g_object_ref (header_list);
2303                 info->notify = notify;
2304
2305                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2306         } else {
2307                 /* Set status failed and set an error */
2308                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2309                 /* FIXME: the error msg is different for pop */
2310                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2311                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2312                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2313                 /* Remove from queue and free resources */
2314                 modest_mail_operation_notify_end (self);
2315                 if (notify)
2316                         notify (user_data);
2317         }
2318 }
2319
2320
2321 void 
2322 modest_mail_operation_remove_msg (ModestMailOperation *self,  TnyHeader *header,
2323                                   gboolean remove_to_trash /*ignored*/)
2324 {
2325         TnyFolder *folder;
2326         ModestMailOperationPrivate *priv;
2327
2328         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2329         g_return_if_fail (TNY_IS_HEADER (header));
2330
2331         if (remove_to_trash)
2332                 g_warning ("remove to trash is not implemented");
2333
2334         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2335         folder = tny_header_get_folder (header);
2336
2337         /* Get account and set it into mail_operation */
2338         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2339
2340         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2341
2342         /* remove message from folder */
2343         tny_folder_remove_msg (folder, header, &(priv->error));
2344 /*      if (!priv->error) { */
2345 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
2346 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
2347
2348 /*              if (TNY_IS_CAMEL_IMAP_FOLDER (folder)) */
2349 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2350 /* /\*                  tny_folder_sync (folder, FALSE, &(priv->error)); /\\* FALSE --> don't expunge *\\/ *\/ */
2351 /*              else if (TNY_IS_CAMEL_POP_FOLDER (folder)) */
2352 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2353 /* /\*                  tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
2354 /*              else */
2355 /*                      /\* local folders *\/ */
2356 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2357 /* /\*                  tny_folder_sync (folder, TRUE, &(priv->error)); /\\* TRUE --> expunge *\\/ *\/ */
2358 /*      } */
2359         
2360         
2361         /* Set status */
2362         if (!priv->error)
2363                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2364         else
2365                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2366
2367         /* Free */
2368         g_object_unref (G_OBJECT (folder));
2369
2370         /* Notify about operation end */
2371         modest_mail_operation_notify_end (self);
2372 }
2373
2374 static void
2375 transfer_msgs_status_cb (GObject *obj,
2376                          TnyStatus *status,  
2377                          gpointer user_data)
2378 {
2379         XFerMsgAsyncHelper *helper = NULL;
2380         ModestMailOperation *self;
2381         ModestMailOperationPrivate *priv;
2382         ModestMailOperationState *state;
2383
2384
2385         g_return_if_fail (status != NULL);
2386         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2387
2388         helper = (XFerMsgAsyncHelper *) user_data;
2389         g_return_if_fail (helper != NULL);       
2390
2391         self = helper->mail_op;
2392         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2393
2394         priv->done = status->position;
2395         priv->total = status->of_total;
2396
2397         state = modest_mail_operation_clone_state (self);
2398
2399         /* This is not a GDK lock because we are a Tinymail callback and
2400          * Tinymail already acquires the Gdk lock */
2401
2402         /* no gdk_threads_enter (), CHECKED */
2403
2404         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2405
2406         /* no gdk_threads_leave (), CHECKED */
2407
2408         g_slice_free (ModestMailOperationState, state);
2409 }
2410
2411
2412 static void
2413 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError **err, gpointer user_data)
2414 {
2415         XFerMsgAsyncHelper *helper;
2416         ModestMailOperation *self;
2417         ModestMailOperationPrivate *priv;
2418         TnyIterator *iter = NULL;
2419         TnyHeader *header = NULL;
2420
2421         helper = (XFerMsgAsyncHelper *) user_data;
2422         self = helper->mail_op;
2423
2424         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2425
2426         if (*err) {
2427                 priv->error = g_error_copy (*err);
2428                 priv->done = 0;
2429                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2430         } else if (cancelled) {
2431                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2432                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2433                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2434                              _("Error trying to refresh the contents of %s"),
2435                              tny_folder_get_name (folder));
2436         } else {
2437                 priv->done = 1;
2438                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2439         }
2440
2441         
2442         /* Mark headers as deleted and seen */
2443         if ((helper->delete) && 
2444             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2445                 iter = tny_list_create_iterator (helper->headers);
2446                 while (!tny_iterator_is_done (iter)) {
2447                         header = TNY_HEADER (tny_iterator_get_current (iter));
2448                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2449                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2450                         g_object_unref (header);
2451
2452                         tny_iterator_next (iter);
2453                 }
2454
2455         }
2456                 
2457
2458         /* Notify about operation end */
2459         modest_mail_operation_notify_end (self);
2460
2461         /* If user defined callback function was defined, call it */
2462         if (helper->user_callback) {
2463                 /* This is not a GDK lock because we are a Tinymail callback and
2464                  * Tinymail already acquires the Gdk lock */
2465
2466                 /* no gdk_threads_enter (), CHECKED */
2467                 helper->user_callback (priv->source, helper->user_data);
2468                 /* no gdk_threads_leave (), CHECKED */
2469         }
2470
2471         /* Free */
2472         if (helper->headers)
2473                 g_object_unref (helper->headers);
2474         if (helper->dest_folder)
2475                 g_object_unref (helper->dest_folder);
2476         if (helper->mail_op)
2477                 g_object_unref (helper->mail_op);
2478         if (folder)
2479                 g_object_unref (folder);
2480         if (iter)
2481                 g_object_unref (iter);
2482         g_slice_free   (XFerMsgAsyncHelper, helper);
2483
2484 }
2485
2486 void
2487 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2488                                  TnyList *headers, 
2489                                  TnyFolder *folder, 
2490                                  gboolean delete_original,
2491                                  XferMsgsAsynUserCallback user_callback,
2492                                  gpointer user_data)
2493 {
2494         ModestMailOperationPrivate *priv = NULL;
2495         TnyIterator *iter = NULL;
2496         TnyFolder *src_folder = NULL;
2497         XFerMsgAsyncHelper *helper = NULL;
2498         TnyHeader *header = NULL;
2499         ModestTnyFolderRules rules = 0;
2500         const gchar *id1 = NULL;
2501         const gchar *id2 = NULL;
2502         gboolean same_folder = FALSE;
2503
2504         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2505         g_return_if_fail (TNY_IS_LIST (headers));
2506         g_return_if_fail (TNY_IS_FOLDER (folder));
2507
2508         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2509         priv->total = 1;
2510         priv->done = 0;
2511         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2512
2513         /* Apply folder rules */
2514         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2515         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2516                 /* Set status failed and set an error */
2517                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2518                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2519                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2520                              _CS("ckct_ib_unable_to_paste_here"));
2521                 /* Notify the queue */
2522                 modest_mail_operation_notify_end (self);
2523                 return;
2524         }
2525                 
2526         /* Get source folder */
2527         iter = tny_list_create_iterator (headers);
2528         header = TNY_HEADER (tny_iterator_get_current (iter));
2529         if (header) {
2530                 src_folder = tny_header_get_folder (header);
2531                 g_object_unref (header);
2532         }
2533
2534         g_object_unref (iter);
2535
2536         /* Check folder source and destination */
2537         id1 = tny_folder_get_id (src_folder);
2538         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2539         same_folder = !g_ascii_strcasecmp (id1, id2);
2540         if (same_folder) {
2541                 /* Set status failed and set an error */
2542                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2543                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2544                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2545                              _("mcen_ib_unable_to_copy_samefolder"));
2546                 
2547                 /* Notify the queue */
2548                 modest_mail_operation_notify_end (self);
2549                 
2550                 /* Free */
2551                 g_object_unref (src_folder);            
2552                 return;
2553         }
2554
2555         /* Create the helper */
2556         helper = g_slice_new0 (XFerMsgAsyncHelper);
2557         helper->mail_op = g_object_ref(self);
2558         helper->dest_folder = g_object_ref(folder);
2559         helper->headers = g_object_ref(headers);
2560         helper->user_callback = user_callback;
2561         helper->user_data = user_data;
2562         helper->delete = delete_original;
2563
2564         /* Get account and set it into mail_operation */
2565         priv->account = modest_tny_folder_get_account (src_folder);
2566
2567         /* Transfer messages */
2568         tny_folder_transfer_msgs_async (src_folder, 
2569                                         headers, 
2570                                         folder, 
2571                                         delete_original, 
2572                                         transfer_msgs_cb, 
2573                                         transfer_msgs_status_cb,
2574                                         helper);
2575 }
2576
2577
2578 static void
2579 on_refresh_folder (TnyFolder   *folder, 
2580                    gboolean     cancelled, 
2581                    GError     **error,
2582                    gpointer     user_data)
2583 {
2584         RefreshAsyncHelper *helper = NULL;
2585         ModestMailOperation *self = NULL;
2586         ModestMailOperationPrivate *priv = NULL;
2587
2588         helper = (RefreshAsyncHelper *) user_data;
2589         self = helper->mail_op;
2590         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2591
2592         g_return_if_fail(priv!=NULL);
2593
2594         if (*error) {
2595                 priv->error = g_error_copy (*error);
2596                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2597                 goto out;
2598         }
2599
2600         if (cancelled) {
2601                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2602                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2603                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2604                              _("Error trying to refresh the contents of %s"),
2605                              tny_folder_get_name (folder));
2606                 goto out;
2607         }
2608
2609         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2610  out:
2611         /* Call user defined callback, if it exists */
2612         if (helper->user_callback) {
2613
2614                 /* This is not a GDK lock because we are a Tinymail callback and
2615                  * Tinymail already acquires the Gdk lock */
2616
2617                 /* no gdk_threads_enter (), CHECKED */
2618                 helper->user_callback (self, folder, helper->user_data);
2619                 /* no gdk_threads_leave (), CHECKED */
2620         }
2621
2622         /* Free */
2623         g_slice_free   (RefreshAsyncHelper, helper);
2624
2625         /* Notify about operation end */
2626         modest_mail_operation_notify_end (self);
2627         g_object_unref(self);
2628 }
2629
2630 static void
2631 on_refresh_folder_status_update (GObject *obj,
2632                                  TnyStatus *status,
2633                                  gpointer user_data)
2634 {
2635         RefreshAsyncHelper *helper = NULL;
2636         ModestMailOperation *self = NULL;
2637         ModestMailOperationPrivate *priv = NULL;
2638         ModestMailOperationState *state;
2639
2640         g_return_if_fail (user_data != NULL);
2641         g_return_if_fail (status != NULL);
2642         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2643
2644         helper = (RefreshAsyncHelper *) user_data;
2645         self = helper->mail_op;
2646         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2647
2648         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2649
2650         priv->done = status->position;
2651         priv->total = status->of_total;
2652
2653         state = modest_mail_operation_clone_state (self);
2654
2655         /* This is not a GDK lock because we are a Tinymail callback and
2656          * Tinymail already acquires the Gdk lock */
2657
2658         /* no gdk_threads_enter (), CHECKED */
2659
2660         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2661
2662         /* no gdk_threads_leave (), CHECKED */
2663
2664         g_slice_free (ModestMailOperationState, state);
2665 }
2666
2667 void 
2668 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2669                                        TnyFolder *folder,
2670                                        RefreshAsyncUserCallback user_callback,
2671                                        gpointer user_data)
2672 {
2673         ModestMailOperationPrivate *priv = NULL;
2674         RefreshAsyncHelper *helper = NULL;
2675
2676         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2677
2678         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2679
2680         /* Get account and set it into mail_operation */
2681         priv->account = modest_tny_folder_get_account  (folder);
2682
2683         /* Create the helper */
2684         helper = g_slice_new0 (RefreshAsyncHelper);
2685         helper->mail_op = g_object_ref(self);
2686         helper->user_callback = user_callback;
2687         helper->user_data = user_data;
2688
2689         /* Refresh the folder. TODO: tinymail could issue a status
2690            updates before the callback call then this could happen. We
2691            must review the design */
2692         tny_folder_refresh_async (folder,
2693                                   on_refresh_folder,
2694                                   on_refresh_folder_status_update,
2695                                   helper);
2696 }
2697
2698 /**
2699  *
2700  * It's used by the mail operation queue to notify the observers
2701  * attached to that signal that the operation finished. We need to use
2702  * that because tinymail does not give us the progress of a given
2703  * operation when it finishes (it directly calls the operation
2704  * callback).
2705  */
2706 static void
2707 modest_mail_operation_notify_end (ModestMailOperation *self)
2708 {
2709         ModestMailOperationState *state;
2710         ModestMailOperationPrivate *priv = NULL;
2711
2712         g_return_if_fail (self);
2713
2714         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2715
2716         /* Set the account back to not busy */
2717         if (priv->account_name) {
2718                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2719                                                      priv->account_name, FALSE);
2720                 g_free(priv->account_name);
2721                 priv->account_name = NULL;
2722         }
2723         
2724         /* Notify the observers about the mail operation end */
2725         /* We do not wrapp this emission because we assume that this
2726            function is always called from within the main lock */
2727         state = modest_mail_operation_clone_state (self);
2728         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2729         g_slice_free (ModestMailOperationState, state);
2730 }