* Moving back to the old version of has_subfolder_with_name because the new version...
[modest] / src / modest-mail-operation.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <string.h>
31 #include <stdarg.h>
32 #include <tny-mime-part.h>
33 #include <tny-store-account.h>
34 #include <tny-folder-store.h>
35 #include <tny-folder-store-query.h>
36 #include <tny-camel-stream.h>
37 #include <tny-camel-pop-store-account.h>
38 #include <tny-camel-pop-folder.h>
39 #include <tny-camel-imap-folder.h>
40 #include <tny-camel-mem-stream.h>
41 #include <tny-simple-list.h>
42 #include <tny-send-queue.h>
43 #include <tny-status.h>
44 #include <tny-folder-observer.h>
45 #include <camel/camel-stream-mem.h>
46 #include <glib/gi18n.h>
47 #include "modest-platform.h"
48 #include <modest-tny-account.h>
49 #include <modest-tny-send-queue.h>
50 #include <modest-runtime.h>
51 #include "modest-text-utils.h"
52 #include "modest-tny-msg.h"
53 #include "modest-tny-folder.h"
54 #include "modest-tny-account-store.h"
55 #include "modest-tny-platform-factory.h"
56 #include "modest-marshal.h"
57 #include "modest-error.h"
58 #include "modest-mail-operation.h"
59
60 #define KB 1024
61
62 /* 
63  * Remove all these #ifdef stuff when the tinymail's idle calls become
64  * locked
65  */
66 #define TINYMAIL_IDLES_NOT_LOCKED_YET 1
67
68 /* 'private'/'protected' functions */
69 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
70 static void modest_mail_operation_init       (ModestMailOperation *obj);
71 static void modest_mail_operation_finalize   (GObject *obj);
72
73 static void     get_msg_cb (TnyFolder *folder, 
74                             gboolean cancelled, 
75                             TnyMsg *msg, 
76                             GError *rr, 
77                             gpointer user_data);
78
79 static void     get_msg_status_cb (GObject *obj,
80                                    TnyStatus *status,  
81                                    gpointer user_data);
82
83 static void     modest_mail_operation_notify_end (ModestMailOperation *self);
84
85 enum _ModestMailOperationSignals 
86 {
87         PROGRESS_CHANGED_SIGNAL,
88
89         NUM_SIGNALS
90 };
91
92 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
93 struct _ModestMailOperationPrivate {
94         TnyAccount                 *account;
95         gchar                                                                            *account_name;
96         guint                      done;
97         guint                      total;
98         GObject                   *source;
99         GError                    *error;
100         ErrorCheckingUserCallback  error_checking;
101         gpointer                   error_checking_user_data;
102         ModestMailOperationStatus  status;      
103         ModestMailOperationTypeOperation op_type;
104 };
105
106 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
107                                                    MODEST_TYPE_MAIL_OPERATION, \
108                                                    ModestMailOperationPrivate))
109
110 #define CHECK_EXCEPTION(priv, new_status)  if (priv->error) {\
111                                                    priv->status = new_status;\
112                                                }
113
114 typedef struct _GetMsgAsyncHelper {     
115         ModestMailOperation *mail_op;
116         TnyHeader *header;
117         GetMsgAsyncUserCallback user_callback;  
118         gpointer user_data;
119 } GetMsgAsyncHelper;
120
121 typedef struct _RefreshAsyncHelper {    
122         ModestMailOperation *mail_op;
123         RefreshAsyncUserCallback user_callback; 
124         gpointer user_data;
125 } RefreshAsyncHelper;
126
127 typedef struct _XFerMsgAsyncHelper
128 {
129         ModestMailOperation *mail_op;
130         TnyList *headers;
131         TnyFolder *dest_folder;
132         XferMsgsAsynUserCallback user_callback; 
133         gboolean delete;
134         gpointer user_data;
135 } XFerMsgAsyncHelper;
136
137 typedef void (*ModestMailOperationCreateMsgCallback) (ModestMailOperation *mail_op,
138                                                       TnyMsg *msg,
139                                                       gpointer userdata);
140
141 static void          modest_mail_operation_create_msg (ModestMailOperation *self,
142                                                        const gchar *from, const gchar *to,
143                                                        const gchar *cc, const gchar *bcc,
144                                                        const gchar *subject, const gchar *plain_body,
145                                                        const gchar *html_body, const GList *attachments_list,
146                                                        TnyHeaderFlags priority_flags,
147                                                        ModestMailOperationCreateMsgCallback callback,
148                                                        gpointer userdata);
149
150 static gboolean      idle_notify_queue (gpointer data);
151 typedef struct
152 {
153         ModestMailOperation *mail_op;
154         gchar *from;
155         gchar *to;
156         gchar *cc;
157         gchar *bcc;
158         gchar *subject;
159         gchar *plain_body;
160         gchar *html_body;
161         GList *attachments_list;
162         TnyHeaderFlags priority_flags;
163         ModestMailOperationCreateMsgCallback callback;
164         gpointer userdata;
165 } CreateMsgInfo;
166
167 typedef struct
168 {
169         ModestMailOperation *mail_op;
170         TnyMsg *msg;
171         ModestMailOperationCreateMsgCallback callback;
172         gpointer userdata;
173 } CreateMsgIdleInfo;
174
175 /* globals */
176 static GObjectClass *parent_class = NULL;
177
178 static guint signals[NUM_SIGNALS] = {0};
179
180 GType
181 modest_mail_operation_get_type (void)
182 {
183         static GType my_type = 0;
184         if (!my_type) {
185                 static const GTypeInfo my_info = {
186                         sizeof(ModestMailOperationClass),
187                         NULL,           /* base init */
188                         NULL,           /* base finalize */
189                         (GClassInitFunc) modest_mail_operation_class_init,
190                         NULL,           /* class finalize */
191                         NULL,           /* class data */
192                         sizeof(ModestMailOperation),
193                         1,              /* n_preallocs */
194                         (GInstanceInitFunc) modest_mail_operation_init,
195                         NULL
196                 };
197                 my_type = g_type_register_static (G_TYPE_OBJECT,
198                                                   "ModestMailOperation",
199                                                   &my_info, 0);
200         }
201         return my_type;
202 }
203
204 static void
205 modest_mail_operation_class_init (ModestMailOperationClass *klass)
206 {
207         GObjectClass *gobject_class;
208         gobject_class = (GObjectClass*) klass;
209
210         parent_class            = g_type_class_peek_parent (klass);
211         gobject_class->finalize = modest_mail_operation_finalize;
212
213         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
214
215         /**
216          * ModestMailOperation::progress-changed
217          * @self: the #MailOperation that emits the signal
218          * @user_data: user data set when the signal handler was connected
219          *
220          * Emitted when the progress of a mail operation changes
221          */
222         signals[PROGRESS_CHANGED_SIGNAL] = 
223                 g_signal_new ("progress-changed",
224                               G_TYPE_FROM_CLASS (gobject_class),
225                               G_SIGNAL_RUN_FIRST,
226                               G_STRUCT_OFFSET (ModestMailOperationClass, progress_changed),
227                               NULL, NULL,
228                               g_cclosure_marshal_VOID__POINTER,
229                               G_TYPE_NONE, 1, G_TYPE_POINTER);
230
231 }
232
233 static void
234 modest_mail_operation_init (ModestMailOperation *obj)
235 {
236         ModestMailOperationPrivate *priv;
237
238         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
239
240         priv->account        = NULL;
241         priv->status         = MODEST_MAIL_OPERATION_STATUS_INVALID;
242         priv->op_type        = MODEST_MAIL_OPERATION_TYPE_UNKNOWN;
243         priv->error          = NULL;
244         priv->done           = 0;
245         priv->total          = 0;
246         priv->source         = NULL;
247         priv->error_checking = NULL;
248         priv->error_checking_user_data = NULL;
249 }
250
251 static void
252 modest_mail_operation_finalize (GObject *obj)
253 {
254         ModestMailOperationPrivate *priv;
255
256         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
257
258         
259         
260         if (priv->error) {
261                 g_error_free (priv->error);
262                 priv->error = NULL;
263         }
264         if (priv->source) {
265                 g_object_unref (priv->source);
266                 priv->source = NULL;
267         }
268         if (priv->account) {
269                 g_object_unref (priv->account);
270                 priv->account = NULL;
271         }
272
273
274         G_OBJECT_CLASS(parent_class)->finalize (obj);
275 }
276
277 ModestMailOperation*
278 modest_mail_operation_new (ModestMailOperationTypeOperation op_type, 
279                            GObject *source)
280 {
281         ModestMailOperation *obj;
282         ModestMailOperationPrivate *priv;
283                 
284         obj = MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
285         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
286
287         priv->op_type = op_type;
288         if (source != NULL)
289                 priv->source = g_object_ref(source);
290
291         return obj;
292 }
293
294 ModestMailOperation*
295 modest_mail_operation_new_with_error_handling (ModestMailOperationTypeOperation op_type,
296                                                GObject *source,
297                                                ErrorCheckingUserCallback error_handler,
298                                                gpointer user_data)
299 {
300         ModestMailOperation *obj;
301         ModestMailOperationPrivate *priv;
302                 
303         obj = modest_mail_operation_new (op_type, source);
304         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
305         
306         g_return_val_if_fail (error_handler != NULL, obj);
307         priv->error_checking = error_handler;
308
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                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
560
561         } else {
562                 /* TODO: connect to the msg-sent in order to know when
563                    the mail operation is finished */
564
565                 tny_send_queue_add (send_queue, msg, &(priv->error));
566
567                 /* TODO: we're setting always success, do the check in
568                    the handler */
569                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
570         }
571
572         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)
573                 modest_platform_information_banner (NULL, NULL, _("mcen_ib_outbox_waiting_to_be_sent"));
574
575         /* TODO: do this in the handler of the "msg-sent"
576            signal.Notify about operation end */
577         modest_mail_operation_notify_end (self);
578 }
579
580 static gboolean
581 idle_create_msg_cb (gpointer idle_data)
582 {
583         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
584
585         /* This is a GDK lock because we are an idle callback and
586          * info->callback can contain Gtk+ code */
587
588         gdk_threads_enter (); /* CHECKED */
589         info->callback (info->mail_op, info->msg, info->userdata);
590         gdk_threads_leave (); /* CHECKED */
591
592         g_object_unref (info->mail_op);
593         if (info->msg)
594                 g_object_unref (info->msg);
595         g_slice_free (CreateMsgIdleInfo, info);
596
597         return FALSE;
598 }
599
600 static gpointer 
601 create_msg_thread (gpointer thread_data)
602 {
603         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
604         TnyMsg *new_msg = NULL;
605         ModestMailOperationPrivate *priv;
606
607         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
608         if (info->html_body == NULL) {
609                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc, 
610                                               info->bcc, info->subject, info->plain_body, 
611                                               info->attachments_list); /* FIXME: attachments */
612         } else {
613                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
614                                                          info->bcc, info->subject, info->html_body,
615                                                          info->plain_body, info->attachments_list);
616         }
617
618         if (new_msg) {
619                 TnyHeader *header;
620                 TnyHeaderFlags flags = 0;
621
622                 /* Set priority flags in message */
623                 header = tny_msg_get_header (new_msg);
624                 if (info->priority_flags != 0)
625                         flags |= info->priority_flags;
626
627                 /* Set attachment flags in message */
628                 if (info->attachments_list != NULL)
629                         flags |= TNY_HEADER_FLAG_ATTACHMENTS;
630
631                 tny_header_set_flags (header, flags);
632                 g_object_unref (G_OBJECT(header));
633         } else {
634                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
635                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
636                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
637                              "modest: failed to create a new msg\n");
638         }
639
640
641         g_free (info->to);
642         g_free (info->from);
643         g_free (info->cc);
644         g_free (info->bcc);
645         g_free (info->plain_body);
646         g_free (info->html_body);
647         g_free (info->subject);
648         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
649         g_list_free (info->attachments_list);
650
651         if (info->callback) {
652                 CreateMsgIdleInfo *idle_info;
653                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
654                 idle_info->mail_op = info->mail_op;
655                 g_object_ref (info->mail_op);
656                 idle_info->msg = new_msg;
657                 if (new_msg)
658                         g_object_ref (new_msg);
659                 idle_info->callback = info->callback;
660                 idle_info->userdata = info->userdata;
661                 g_idle_add (idle_create_msg_cb, idle_info);
662         } else {
663                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
664         }
665
666         g_object_unref (info->mail_op);
667         g_slice_free (CreateMsgInfo, info);
668         return NULL;
669 }
670
671 void
672 modest_mail_operation_create_msg (ModestMailOperation *self,
673                                   const gchar *from, const gchar *to,
674                                   const gchar *cc, const gchar *bcc,
675                                   const gchar *subject, const gchar *plain_body,
676                                   const gchar *html_body,
677                                   const GList *attachments_list,
678                                   TnyHeaderFlags priority_flags,
679                                   ModestMailOperationCreateMsgCallback callback,
680                                   gpointer userdata)
681 {
682         CreateMsgInfo *info = NULL;
683
684         info = g_slice_new0 (CreateMsgInfo);
685         info->mail_op = self;
686         g_object_ref (self);
687
688         info->from = g_strdup (from);
689         info->to = g_strdup (to);
690         info->cc = g_strdup (cc);
691         info->bcc  = g_strdup (bcc);
692         info->subject = g_strdup (subject);
693         info->plain_body = g_strdup (plain_body);
694         info->html_body = g_strdup (html_body);
695         info->attachments_list = g_list_copy ((GList *) attachments_list);
696         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
697         info->priority_flags = priority_flags;
698
699         info->callback = callback;
700         info->userdata = userdata;
701
702         g_thread_create (create_msg_thread, info, FALSE, NULL);
703 }
704
705 typedef struct
706 {
707         TnyTransportAccount *transport_account;
708         TnyMsg *draft_msg;
709 } SendNewMailInfo;
710
711 static void
712 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
713                                         TnyMsg *msg,
714                                         gpointer userdata)
715 {
716         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
717         TnyFolder *draft_folder = NULL;
718         TnyFolder *outbox_folder = NULL;
719         TnyHeader *header;
720         GError *err = NULL;
721
722         if (!msg) {
723                 goto end;
724         }
725
726         /* Call mail operation */
727         modest_mail_operation_send_mail (self, info->transport_account, msg);
728
729         /* Remove old mail from its source folder */
730         draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
731         outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_OUTBOX);
732         if (info->draft_msg != NULL) {
733                 TnyFolder *folder = NULL;
734                 TnyFolder *src_folder = NULL;
735                 TnyFolderType folder_type;              
736                 folder = tny_msg_get_folder (info->draft_msg);          
737                 if (folder == NULL) goto end;
738                 folder_type = modest_tny_folder_guess_folder_type (folder);
739                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX) 
740                         src_folder = outbox_folder;
741                 else 
742                         src_folder = draft_folder;
743
744                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
745                  * because this function requires it to have a UID. */          
746                 header = tny_msg_get_header (info->draft_msg);
747                 tny_folder_remove_msg (src_folder, header, NULL);
748
749                 tny_folder_sync (folder, TRUE, &err); /* FALSE --> don't expunge */
750 /*              tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /\* expunge *\/ */
751                 
752                 g_object_unref (header);
753                 g_object_unref (folder);
754         }
755
756 end:
757         if (err != NULL)
758                 g_error_free(err);      
759         if (info->draft_msg)
760                 g_object_unref (info->draft_msg);
761         if (draft_folder)
762                 g_object_unref (draft_folder);
763         if (outbox_folder)
764                 g_object_unref (outbox_folder);
765         if (info->transport_account)
766                 g_object_unref (info->transport_account);
767         g_slice_free (SendNewMailInfo, info);
768         modest_mail_operation_notify_end (self);
769 }
770
771 void
772 modest_mail_operation_send_new_mail (ModestMailOperation *self,
773                                      TnyTransportAccount *transport_account,
774                                      TnyMsg *draft_msg,
775                                      const gchar *from,  const gchar *to,
776                                      const gchar *cc,  const gchar *bcc,
777                                      const gchar *subject, const gchar *plain_body,
778                                      const gchar *html_body,
779                                      const GList *attachments_list,
780                                      TnyHeaderFlags priority_flags)
781 {
782         ModestMailOperationPrivate *priv = NULL;
783         SendNewMailInfo *info;
784
785         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
786         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
787
788         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
789
790         /* Check parametters */
791         if (to == NULL) {
792                 /* Set status failed and set an error */
793                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
794                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
795                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
796                              _("Error trying to send a mail. You need to set at least one recipient"));
797                 return;
798         }
799         info = g_slice_new0 (SendNewMailInfo);
800         info->transport_account = transport_account;
801         if (transport_account)
802                 g_object_ref (transport_account);
803         info->draft_msg = draft_msg;
804         if (draft_msg)
805                 g_object_ref (draft_msg);
806         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
807                                           attachments_list, priority_flags,
808                                           modest_mail_operation_send_new_mail_cb, info);
809
810 }
811
812 typedef struct
813 {
814         TnyTransportAccount *transport_account;
815         TnyMsg *draft_msg;
816         ModestMsgEditWindow *edit_window;
817 } SaveToDraftsInfo;
818
819 static void
820 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
821                                          TnyMsg *msg,
822                                          gpointer userdata)
823 {
824         TnyFolder *src_folder = NULL;
825         TnyFolder *folder = NULL;
826         TnyHeader *header = NULL;
827         ModestMailOperationPrivate *priv = NULL;
828         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
829
830         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
831         if (!msg) {
832                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
833                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
834                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
835                              "modest: failed to create a new msg\n");
836                 goto end;
837         }
838
839         folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account), TNY_FOLDER_TYPE_DRAFTS);
840         if (!folder) {
841                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
842                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
843                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
844                              "modest: failed to create a new msg\n");
845                 goto end;
846         }
847
848         if (!priv->error)
849                 tny_folder_add_msg (folder, msg, &(priv->error));
850
851         if ((!priv->error) && (info->draft_msg != NULL)) {
852                 header = tny_msg_get_header (info->draft_msg);
853                 src_folder = tny_header_get_folder (header); 
854
855                 /* Remove the old draft expunging it */
856                 tny_folder_remove_msg (src_folder, header, NULL);
857 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED); */
858 /*              tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN); */
859
860                 tny_folder_sync (folder, TRUE, &(priv->error)); /* FALSE --> don't expunge */
861                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /* expunge */
862
863                 g_object_unref (header);
864         }
865         
866         if (!priv->error)
867                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
868         else
869                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
870
871         if (info->edit_window)
872                 modest_msg_edit_window_set_draft (info->edit_window, msg);
873
874
875 end:
876         if (folder)
877                 g_object_unref (G_OBJECT(folder));
878         if (src_folder)
879                 g_object_unref (G_OBJECT(src_folder));
880         if (info->edit_window)
881                 g_object_unref (G_OBJECT(info->edit_window));
882         if (info->draft_msg)
883                 g_object_unref (G_OBJECT (info->draft_msg));
884         if (info->transport_account)
885                 g_object_unref (G_OBJECT(info->transport_account));
886         g_slice_free (SaveToDraftsInfo, info);
887
888         modest_mail_operation_notify_end (self);
889 }
890
891 void
892 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
893                                       TnyTransportAccount *transport_account,
894                                       TnyMsg *draft_msg,
895                                       ModestMsgEditWindow *edit_window,
896                                       const gchar *from,  const gchar *to,
897                                       const gchar *cc,  const gchar *bcc,
898                                       const gchar *subject, const gchar *plain_body,
899                                       const gchar *html_body,
900                                       const GList *attachments_list,
901                                       TnyHeaderFlags priority_flags)
902 {
903         ModestMailOperationPrivate *priv = NULL;
904         SaveToDraftsInfo *info = NULL;
905
906         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
907         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
908
909         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
910
911         /* Get account and set it into mail_operation */
912         priv->account = g_object_ref (transport_account);
913
914         info = g_slice_new0 (SaveToDraftsInfo);
915         info->transport_account = g_object_ref (transport_account);
916         info->draft_msg = draft_msg;
917         if (draft_msg)
918                 g_object_ref (draft_msg);
919         info->edit_window = edit_window;
920         if (edit_window)
921                 g_object_ref (edit_window);
922
923         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
924                                           attachments_list, priority_flags,
925                                           modest_mail_operation_save_to_drafts_cb, info);
926
927 }
928
929 typedef struct 
930 {
931         ModestMailOperation *mail_op;
932         TnyStoreAccount *account;
933         TnyTransportAccount *transport_account;
934         gint max_size;
935         gint retrieve_limit;
936         gchar *retrieve_type;
937         gchar *account_name;
938         UpdateAccountCallback callback;
939         gpointer user_data;
940         gint new_headers;
941 } UpdateAccountInfo;
942
943 typedef struct
944 {
945         ModestMailOperation *mail_op;
946         TnyMimePart *mime_part;
947         gssize size;
948         GetMimePartSizeCallback callback;
949         gpointer userdata;
950 } GetMimePartSizeInfo;
951
952 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
953 /* We use this folder observer to track the headers that have been
954  * added to a folder */
955 typedef struct {
956         GObject parent;
957         TnyList *new_headers;
958 } InternalFolderObserver;
959
960 typedef struct {
961         GObjectClass parent;
962 } InternalFolderObserverClass;
963
964 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
965
966 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
967                          internal_folder_observer,
968                          G_TYPE_OBJECT,
969                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
970
971
972 static void
973 foreach_add_item (gpointer header, gpointer user_data)
974 {
975         tny_list_prepend (TNY_LIST (user_data), 
976                           g_object_ref (G_OBJECT (header)));
977 }
978
979 /* This is the method that looks for new messages in a folder */
980 static void
981 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
982 {
983         InternalFolderObserver *derived = (InternalFolderObserver *)self;
984         
985         TnyFolderChangeChanged changed;
986
987         changed = tny_folder_change_get_changed (change);
988
989         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
990                 TnyList *list;
991
992                 /* Get added headers */
993                 list = tny_simple_list_new ();
994                 tny_folder_change_get_added_headers (change, list);
995
996                 /* Add them to the folder observer */
997                 tny_list_foreach (list, foreach_add_item, 
998                                   derived->new_headers);
999
1000                 g_object_unref (G_OBJECT (list));
1001         }
1002 }
1003
1004 static void
1005 internal_folder_observer_init (InternalFolderObserver *self) 
1006 {
1007         self->new_headers = tny_simple_list_new ();
1008 }
1009 static void
1010 internal_folder_observer_finalize (GObject *object) 
1011 {
1012         InternalFolderObserver *self;
1013
1014         self = (InternalFolderObserver *) object;
1015         g_object_unref (self->new_headers);
1016
1017         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
1018 }
1019 static void
1020 tny_folder_observer_init (TnyFolderObserverIface *iface) 
1021 {
1022         iface->update_func = internal_folder_observer_update;
1023 }
1024 static void
1025 internal_folder_observer_class_init (InternalFolderObserverClass *klass) 
1026 {
1027         GObjectClass *object_class;
1028
1029         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1030         object_class = (GObjectClass*) klass;
1031         object_class->finalize = internal_folder_observer_finalize;
1032 }
1033
1034 /*****************/
1035
1036 static void
1037 recurse_folders (TnyFolderStore *store, TnyFolderStoreQuery *query, TnyList *all_folders)
1038 {
1039         TnyIterator *iter;
1040         TnyList *folders = tny_simple_list_new ();
1041
1042         tny_folder_store_get_folders (store, folders, query, NULL);
1043         iter = tny_list_create_iterator (folders);
1044
1045         while (!tny_iterator_is_done (iter)) {
1046
1047                 TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1048                 if (folder) {
1049                         tny_list_prepend (all_folders, G_OBJECT (folder));
1050                         recurse_folders (folder, query, all_folders);    
1051                         g_object_unref (G_OBJECT (folder));
1052                 }
1053
1054                 tny_iterator_next (iter);
1055         }
1056          g_object_unref (G_OBJECT (iter));
1057          g_object_unref (G_OBJECT (folders));
1058 }
1059
1060 /* 
1061  * Issues the "progress-changed" signal. The timer won't be removed,
1062  * so you must call g_source_remove to stop the signal emission
1063  */
1064 static gboolean
1065 idle_notify_progress (gpointer data)
1066 {
1067         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1068         ModestMailOperationState *state;
1069
1070         state = modest_mail_operation_clone_state (mail_op);
1071
1072         /* This is a GDK lock because we are an idle callback and
1073          * the handlers of this signal can contain Gtk+ code */
1074
1075         gdk_threads_enter (); /* CHECKED */
1076         g_signal_emit (G_OBJECT (mail_op), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1077         gdk_threads_leave (); /* CHECKED */
1078
1079         g_slice_free (ModestMailOperationState, state);
1080         
1081         return TRUE;
1082 }
1083
1084 /* 
1085  * Issues the "progress-changed" signal and removes the timer. It uses
1086  * a lock to ensure that the progress information of the mail
1087  * operation is not modified while there are notifications pending
1088  */
1089 static gboolean
1090 idle_notify_progress_once (gpointer data)
1091 {
1092         ModestPair *pair;
1093
1094         pair = (ModestPair *) data;
1095
1096         /* This is a GDK lock because we are an idle callback and
1097          * the handlers of this signal can contain Gtk+ code */
1098
1099         gdk_threads_enter (); /* CHECKED */
1100         g_signal_emit (G_OBJECT (pair->first), signals[PROGRESS_CHANGED_SIGNAL], 0, pair->second, NULL);
1101         gdk_threads_leave (); /* CHECKED */
1102
1103         /* Free the state and the reference to the mail operation */
1104         g_slice_free (ModestMailOperationState, (ModestMailOperationState*)pair->second);
1105         g_object_unref (pair->first);
1106
1107         return FALSE;
1108 }
1109
1110 /* 
1111  * Used to notify the queue from the main
1112  * loop. We call it inside an idle call to achieve that
1113  */
1114 static gboolean
1115 idle_notify_queue (gpointer data)
1116 {
1117         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1118
1119         /* Do not need to block, the notify end will do it for us */    
1120         modest_mail_operation_notify_end (mail_op);
1121         g_object_unref (mail_op);
1122
1123         return FALSE;
1124 }
1125
1126 static int
1127 compare_headers_by_date (gconstpointer a, 
1128                          gconstpointer b)
1129 {
1130         TnyHeader **header1, **header2;
1131         time_t sent1, sent2;
1132
1133         header1 = (TnyHeader **) a;
1134         header2 = (TnyHeader **) b;
1135
1136         sent1 = tny_header_get_date_sent (*header1);
1137         sent2 = tny_header_get_date_sent (*header2);
1138
1139         /* We want the most recent ones (greater time_t) at the
1140            beginning */
1141         if (sent1 < sent2)
1142                 return 1;
1143         else
1144                 return -1;
1145 }
1146
1147 static gboolean 
1148 set_last_updated_idle (gpointer data)
1149 {
1150
1151         /* This is a GDK lock because we are an idle callback and
1152          * modest_account_mgr_set_int can contain Gtk+ code */
1153
1154         gdk_threads_enter (); /* CHECKED - please recheck */
1155
1156         /* It does not matter if the time is not exactly the same than
1157            the time when this idle was called, it's just an
1158            approximation and it won't be very different */
1159
1160         modest_account_mgr_set_int (modest_runtime_get_account_mgr (), 
1161                                     (gchar *) data, 
1162                                     MODEST_ACCOUNT_LAST_UPDATED, 
1163                                     time(NULL), 
1164                                     TRUE);
1165
1166         gdk_threads_leave (); /* CHECKED - please recheck */
1167
1168         return FALSE;
1169 }
1170
1171 static gboolean
1172 idle_update_account_cb (gpointer data)
1173 {
1174         UpdateAccountInfo *idle_info;
1175
1176         idle_info = (UpdateAccountInfo *) data;
1177
1178         /* This is a GDK lock because we are an idle callback and
1179          * idle_info->callback can contain Gtk+ code */
1180
1181         gdk_threads_enter (); /* CHECKED */
1182         idle_info->callback (idle_info->mail_op,
1183                              idle_info->new_headers,
1184                              idle_info->user_data);
1185         gdk_threads_leave (); /* CHECKED */
1186
1187         /* Frees */
1188         g_object_unref (idle_info->mail_op);
1189         g_free (idle_info);
1190
1191         return FALSE;
1192 }
1193
1194
1195 static gpointer
1196 update_account_thread (gpointer thr_user_data)
1197 {
1198         static gboolean first_time = TRUE;
1199         UpdateAccountInfo *info = NULL;
1200         TnyList *all_folders = NULL;
1201         GPtrArray *new_headers = NULL;
1202         TnyIterator *iter = NULL;
1203         TnyFolderStoreQuery *query = NULL;
1204         ModestMailOperationPrivate *priv = NULL;
1205         ModestTnySendQueue *send_queue = NULL;
1206         gint num_new_headers = 0;
1207
1208         info = (UpdateAccountInfo *) thr_user_data;
1209         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
1210
1211         /* Get account and set it into mail_operation */
1212         priv->account = g_object_ref (info->account);
1213
1214         /*
1215          * Previousl, we did this for POP3, to do a logout-login upon send/receive, 
1216          * because many POP-servers (like Gmail) do not
1217          * show any updates unless we do that.
1218          * But that didn't work with gmail anyway, 
1219          * and tinymail now takes care of this itself by disconnecting 
1220          * automatically after using the connection.
1221          */
1222         /*
1223         if (!first_time && TNY_IS_CAMEL_POP_STORE_ACCOUNT (priv->account)) 
1224                 tny_camel_pop_store_account_reconnect (TNY_CAMEL_POP_STORE_ACCOUNT(priv->account));
1225         */
1226
1227         /* Get all the folders. We can do it synchronously because
1228            we're already running in a different thread than the UI */
1229         all_folders = tny_simple_list_new ();
1230         query = tny_folder_store_query_new ();
1231         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1232         tny_folder_store_get_folders (TNY_FOLDER_STORE (info->account),
1233                                       all_folders,
1234                                       query,
1235                                       &(priv->error));
1236         if (priv->error) {
1237                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1238                 goto out;
1239         }
1240
1241         iter = tny_list_create_iterator (all_folders);
1242         while (!tny_iterator_is_done (iter)) {
1243                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1244                 if (folder) {
1245                         recurse_folders (folder, query, all_folders);
1246                         g_object_unref (folder);
1247                 }
1248                 tny_iterator_next (iter);
1249         }
1250         g_object_unref (G_OBJECT (iter));
1251
1252         /* Update status and notify. We need to call the notification
1253            with a source function in order to call it from the main
1254            loop. We need that in order not to get into trouble with
1255            Gtk+. We use a timeout in order to provide more status
1256            information, because the sync tinymail call does not
1257            provide it for the moment */
1258         gint timeout = g_timeout_add (100, idle_notify_progress, info->mail_op);
1259
1260         /* Refresh folders */
1261         num_new_headers = 0;
1262         new_headers = g_ptr_array_new ();
1263         iter = tny_list_create_iterator (all_folders);
1264
1265         while (!tny_iterator_is_done (iter) && !priv->error && 
1266                priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED) {
1267
1268                 InternalFolderObserver *observer;
1269                 TnyFolderStore *folder = TNY_FOLDER_STORE (tny_iterator_get_current (iter));
1270
1271                 /* Refresh the folder */
1272                 /* Our observer receives notification of new emails during folder refreshes,
1273                  * so we can use observer->new_headers.
1274                  */
1275                 observer = g_object_new (internal_folder_observer_get_type (), NULL);
1276                 tny_folder_add_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1277                 
1278                 /* This gets the status information (headers) from the server.
1279                  * We use the blocking version, because we are already in a separate 
1280                  * thread.
1281                  */
1282
1283                 if (!g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES) || 
1284                     !g_ascii_strcasecmp (info->retrieve_type, MODEST_ACCOUNT_RETRIEVE_VALUE_MESSAGES_AND_ATTACHMENTS)) {
1285                         TnyIterator *iter;
1286
1287                         /* If the retrieve type is full messages, refresh and get the messages */
1288                         tny_folder_refresh (TNY_FOLDER (folder), &(priv->error));
1289
1290                         iter = tny_list_create_iterator (observer->new_headers);
1291                         while (!tny_iterator_is_done (iter)) {
1292                                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
1293                                  
1294                                 /* Apply per-message size limits */
1295                                 if (tny_header_get_message_size (header) < info->max_size)
1296                                         g_ptr_array_add (new_headers, g_object_ref (header));
1297
1298                                 g_object_unref (header);
1299                                 tny_iterator_next (iter);
1300                         }
1301                         g_object_unref (iter);
1302                 } else {
1303                         /* We do not need to do it the first time
1304                            because it's automatically done by the tree
1305                            model */
1306                         if (G_UNLIKELY (!first_time))
1307                                 tny_folder_poke_status (TNY_FOLDER (folder));
1308                 }
1309
1310                 tny_folder_remove_observer (TNY_FOLDER (folder), TNY_FOLDER_OBSERVER (observer));
1311                 g_object_unref (observer);
1312                 observer = NULL;                        
1313
1314                 if (folder)
1315                         g_object_unref (G_OBJECT (folder));
1316
1317                 if (priv->error)
1318                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1319
1320                 tny_iterator_next (iter);
1321         }
1322
1323         g_object_unref (G_OBJECT (iter));
1324         g_source_remove (timeout);
1325
1326         if (priv->status != MODEST_MAIL_OPERATION_STATUS_CANCELED && 
1327             priv->status != MODEST_MAIL_OPERATION_STATUS_FAILED &&
1328             new_headers->len > 0) {
1329                 gint msg_num = 0;
1330
1331                 /* Order by date */
1332                 g_ptr_array_sort (new_headers, (GCompareFunc) compare_headers_by_date);
1333
1334                 /* Apply message count limit */
1335                 /* If the number of messages exceeds the maximum, ask the
1336                  * user to download them all,
1337                  * as per the UI spec "Retrieval Limits" section in 4.4: 
1338                  */
1339                 if (new_headers->len > info->retrieve_limit) {
1340                         /* TODO: Ask the user, instead of just
1341                          * failing, showing
1342                          * mail_nc_msg_count_limit_exceeded, with 'Get
1343                          * all' and 'Newest only' buttons. */
1344                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1345                              MODEST_MAIL_OPERATION_ERROR_RETRIEVAL_NUMBER_LIMIT,
1346                              "The number of messages to retrieve exceeds the chosen limit for account %s\n", 
1347                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1348                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1349                         goto out;
1350                 }
1351                 
1352                 priv->done = 0;
1353                 priv->total = MIN (new_headers->len, info->retrieve_limit);
1354                 while (msg_num < priv->total) {
1355
1356                         TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers, msg_num));
1357                         TnyFolder *folder = tny_header_get_folder (header);
1358                         TnyMsg *msg       = tny_folder_get_msg (folder, header, NULL);
1359                         ModestMailOperationState *state;
1360                         ModestPair* pair;
1361
1362                         priv->done++;
1363                         /* We can not just use the mail operation because the
1364                            values of done and total could change before the
1365                            idle is called */
1366                         state = modest_mail_operation_clone_state (info->mail_op);
1367                         pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
1368                         g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
1369                                          pair, (GDestroyNotify) modest_pair_free);
1370
1371                         g_object_unref (msg);
1372                         g_object_unref (folder);
1373
1374                         msg_num++;
1375                 }
1376         }
1377
1378         /* Get the number of new headers and free them */
1379         num_new_headers = new_headers->len;
1380         g_ptr_array_foreach (new_headers, (GFunc) g_object_unref, NULL);
1381         g_ptr_array_free (new_headers, FALSE);
1382         
1383         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
1384                 goto out;
1385
1386         /* Perform send (if operation was not cancelled) */
1387         priv->done = 0;
1388         priv->total = 0;
1389         if (priv->account != NULL) 
1390                 g_object_unref (priv->account);
1391         priv->account = g_object_ref (info->transport_account);
1392         
1393         send_queue = modest_runtime_get_send_queue (info->transport_account);
1394         if (send_queue) {
1395                 modest_tny_send_queue_try_to_send (send_queue);
1396         } else {
1397                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1398                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1399                              "cannot create a send queue for %s\n", 
1400                              tny_account_get_name (TNY_ACCOUNT (info->transport_account)));
1401                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1402         }
1403         
1404         /* Check if the operation was a success */
1405         if (!priv->error) {
1406                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1407
1408                 /* Update the last updated key */
1409                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, 
1410                                  set_last_updated_idle, 
1411                                  g_strdup (tny_account_get_id (TNY_ACCOUNT (info->account))),
1412                                  (GDestroyNotify) g_free);
1413         }
1414
1415  out:
1416
1417         if (info->callback) {
1418                 UpdateAccountInfo *idle_info;
1419
1420                 /* This thread is not in the main lock */
1421                 idle_info = g_malloc0 (sizeof (UpdateAccountInfo));
1422                 idle_info->mail_op = g_object_ref (info->mail_op);
1423                 idle_info->new_headers = num_new_headers;
1424                 idle_info->callback = info->callback;
1425                 idle_info->user_data = info->user_data;
1426                 g_idle_add (idle_update_account_cb, idle_info);
1427         }
1428
1429         /* Notify about operation end. Note that the info could be
1430            freed before this idle happens, but the mail operation will
1431            be still alive */
1432         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
1433
1434         /* Frees */
1435         g_object_unref (query);
1436         g_object_unref (all_folders);
1437         g_object_unref (info->account);
1438         g_object_unref (info->transport_account);
1439         g_free (info->retrieve_type);
1440         g_slice_free (UpdateAccountInfo, info);
1441
1442         first_time = FALSE;
1443
1444         return NULL;
1445 }
1446
1447 gboolean
1448 modest_mail_operation_update_account (ModestMailOperation *self,
1449                                       const gchar *account_name,
1450                                       UpdateAccountCallback callback,
1451                                       gpointer user_data)
1452 {
1453         GThread *thread = NULL;
1454         UpdateAccountInfo *info = NULL;
1455         ModestMailOperationPrivate *priv = NULL;
1456         ModestAccountMgr *mgr = NULL;
1457         TnyStoreAccount *store_account = NULL;
1458         TnyTransportAccount *transport_account = NULL;
1459
1460         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
1461         g_return_val_if_fail (account_name, FALSE);
1462
1463         /* Init mail operation. Set total and done to 0, and do not
1464            update them, this way the progress objects will know that
1465            we have no clue about the number of the objects */
1466         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1467         priv->total = 0;
1468         priv->done  = 0;
1469         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1470
1471         /* Get the Modest account */
1472         store_account = (TnyStoreAccount *)
1473                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1474                                                                      account_name,
1475                                                                      TNY_ACCOUNT_TYPE_STORE);
1476                                                                      
1477         /* Make sure that we have a connection, and request one 
1478          * if necessary:
1479          * TODO: Is there some way to trigger this for every attempt to 
1480          * use the network? */
1481         if (!modest_platform_connect_and_wait (NULL, TNY_ACCOUNT (store_account)))
1482                 goto error;
1483
1484         if (!store_account) {
1485                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1486                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1487                              "cannot get tny store account for %s\n", account_name);
1488                 goto error;
1489         }
1490
1491         
1492         /* Get the transport account, we can not do it in the thread
1493            due to some problems with dbus */
1494         transport_account = (TnyTransportAccount *)
1495                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1496                                                                                     account_name);
1497         if (!transport_account) {
1498                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1499                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1500                              "cannot get tny transport account for %s\n", account_name);
1501                 goto error;
1502         }
1503
1504         /* Create the helper object */
1505         info = g_slice_new (UpdateAccountInfo);
1506         info->mail_op = self;
1507         info->account = store_account;
1508         info->transport_account = transport_account;
1509         info->callback = callback;
1510         info->user_data = user_data;
1511
1512         /* Get the message size limit */
1513         info->max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
1514                                                MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1515         if (info->max_size == 0)
1516                 info->max_size = G_MAXINT;
1517         else
1518                 info->max_size = info->max_size * KB;
1519
1520         /* Get per-account retrieval type */
1521         mgr = modest_runtime_get_account_mgr ();
1522         info->retrieve_type = modest_account_mgr_get_string (mgr, account_name, 
1523                                                              MODEST_ACCOUNT_RETRIEVE, FALSE);
1524
1525         /* Get per-account message amount retrieval limit */
1526         info->retrieve_limit = modest_account_mgr_get_int (mgr, account_name, 
1527                                                            MODEST_ACCOUNT_LIMIT_RETRIEVE, FALSE);
1528         if (info->retrieve_limit == 0)
1529                 info->retrieve_limit = G_MAXINT;
1530                 
1531         /* printf ("DEBUG: %s: info->retrieve_limit = %d\n", __FUNCTION__, info->retrieve_limit); */
1532
1533         /* Set account busy */
1534         modest_account_mgr_set_account_busy(mgr, account_name, TRUE);
1535         priv->account_name = g_strdup(account_name);
1536         
1537         thread = g_thread_create (update_account_thread, info, FALSE, NULL);
1538
1539         return TRUE;
1540
1541  error:
1542         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1543         if (callback) 
1544                 callback (self, 0, user_data);
1545         modest_mail_operation_notify_end (self);
1546         return FALSE;
1547 }
1548
1549 /* ******************************************************************* */
1550 /* ************************** STORE  ACTIONS ************************* */
1551 /* ******************************************************************* */
1552
1553
1554 TnyFolder *
1555 modest_mail_operation_create_folder (ModestMailOperation *self,
1556                                      TnyFolderStore *parent,
1557                                      const gchar *name)
1558 {
1559         ModestMailOperationPrivate *priv;
1560         TnyFolder *new_folder = NULL;
1561
1562         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
1563         g_return_val_if_fail (name, NULL);
1564         
1565         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1566
1567         /* Check for already existing folder */
1568         if (modest_tny_folder_has_subfolder_with_name (parent, name)) {
1569                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1570                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1571                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1572                              _CS("ckdg_ib_folder_already_exists"));
1573         }
1574
1575         /* Check parent */
1576         if (TNY_IS_FOLDER (parent)) {
1577                 /* Check folder rules */
1578                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1579                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1580                         /* Set status failed and set an error */
1581                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1582                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1583                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1584                                      _("mail_in_ui_folder_create_error"));
1585                 }
1586         }
1587
1588         if (!strcmp (name, " ") || strchr (name, '/')) {
1589                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1590                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1591                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1592                              _("mail_in_ui_folder_create_error"));
1593         }
1594
1595         if (!priv->error) {
1596                 /* Create the folder */
1597                 new_folder = tny_folder_store_create_folder (parent, name, &(priv->error));
1598                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1599                 if (!priv->error)
1600                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1601         }
1602
1603         /* Notify about operation end */
1604         modest_mail_operation_notify_end (self);
1605
1606         return new_folder;
1607 }
1608
1609 void
1610 modest_mail_operation_remove_folder (ModestMailOperation *self,
1611                                      TnyFolder           *folder,
1612                                      gboolean             remove_to_trash)
1613 {
1614         TnyAccount *account;
1615         ModestMailOperationPrivate *priv;
1616         ModestTnyFolderRules rules;
1617
1618         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1619         g_return_if_fail (TNY_IS_FOLDER (folder));
1620         
1621         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1622         
1623         /* Check folder rules */
1624         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1625         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1626                 /* Set status failed and set an error */
1627                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1628                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1629                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1630                              _("mail_in_ui_folder_delete_error"));
1631                 goto end;
1632         }
1633
1634         /* Get the account */
1635         account = modest_tny_folder_get_account (folder);
1636         priv->account = g_object_ref(account);
1637
1638         /* Delete folder or move to trash */
1639         if (remove_to_trash) {
1640                 TnyFolder *trash_folder = NULL;
1641                 trash_folder = modest_tny_account_get_special_folder (account,
1642                                                                       TNY_FOLDER_TYPE_TRASH);
1643                 /* TODO: error_handling */
1644                 if (trash_folder) {
1645                         modest_mail_operation_xfer_folder (self, folder,
1646                                                     TNY_FOLDER_STORE (trash_folder), 
1647                                                     TRUE, NULL, NULL);
1648                         g_object_unref (trash_folder);
1649                 }
1650         } else {
1651                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1652
1653                 tny_folder_store_remove_folder (parent, folder, &(priv->error));
1654                 CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1655
1656                 if (!priv->error)
1657                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1658
1659                 if (parent)
1660                         g_object_unref (G_OBJECT (parent));
1661         }
1662         g_object_unref (G_OBJECT (account));
1663
1664  end:
1665         /* Notify about operation end */
1666         modest_mail_operation_notify_end (self);
1667 }
1668
1669 static void
1670 transfer_folder_status_cb (GObject *obj,
1671                            TnyStatus *status,
1672                            gpointer user_data)
1673 {
1674         ModestMailOperation *self;
1675         ModestMailOperationPrivate *priv;
1676         ModestMailOperationState *state;
1677         XFerMsgAsyncHelper *helper;
1678
1679         g_return_if_fail (status != NULL);
1680         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1681
1682         helper = (XFerMsgAsyncHelper *) user_data;
1683         g_return_if_fail (helper != NULL);
1684
1685         self = helper->mail_op;
1686         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1687
1688         priv->done = status->position;
1689         priv->total = status->of_total;
1690
1691         state = modest_mail_operation_clone_state (self);
1692
1693         /* This is not a GDK lock because we are a Tinymail callback
1694          * which is already GDK locked by Tinymail */
1695
1696         /* no gdk_threads_enter (), CHECKED */
1697
1698         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL); 
1699
1700         /* no gdk_threads_leave (), CHECKED */
1701
1702         g_slice_free (ModestMailOperationState, state);
1703 }
1704
1705
1706 static void
1707 transfer_folder_cb (TnyFolder *folder, 
1708                     gboolean cancelled, 
1709                     TnyFolderStore *into, 
1710                     TnyFolder *new_folder, 
1711                     GError *err, 
1712                     gpointer user_data)
1713 {
1714         XFerMsgAsyncHelper *helper;
1715         ModestMailOperation *self = NULL;
1716         ModestMailOperationPrivate *priv = NULL;
1717
1718         helper = (XFerMsgAsyncHelper *) user_data;
1719         g_return_if_fail (helper != NULL);       
1720
1721         self = helper->mail_op;
1722         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1723
1724         if (err) {
1725                 priv->error = g_error_copy (err);
1726                 priv->done = 0;
1727                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1728         } else if (cancelled) {
1729                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1730                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1731                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1732                              _("Transference of %s was cancelled."),
1733                              tny_folder_get_name (folder));
1734         } else {
1735                 priv->done = 1;
1736                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1737         }
1738                 
1739         /* Notify about operation end */
1740         modest_mail_operation_notify_end (self);
1741
1742         /* If user defined callback function was defined, call it */
1743         if (helper->user_callback) {
1744
1745                 /* This is not a GDK lock because we are a Tinymail callback
1746                  * which is already GDK locked by Tinymail */
1747
1748                 /* no gdk_threads_enter (), CHECKED */
1749                 helper->user_callback (priv->source, helper->user_data);
1750                 /* no gdk_threads_leave () , CHECKED */
1751         }
1752
1753         /* Free */
1754         g_object_unref (helper->mail_op);
1755         g_slice_free   (XFerMsgAsyncHelper, helper);
1756 }
1757
1758 /**
1759  *
1760  * This function checks if the new name is a valid name for our local
1761  * folders account. The new name could not be the same than then name
1762  * of any of the mandatory local folders
1763  *
1764  * We can not rely on tinymail because tinymail does not check the
1765  * name of the virtual folders that the account could have in the case
1766  * that we're doing a rename (because it directly calls Camel which
1767  * knows nothing about our virtual folders). 
1768  *
1769  * In the case of an actual copy/move (i.e. move/copy a folder between
1770  * accounts) tinymail uses the tny_folder_store_create_account which
1771  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1772  * checks the new name of the folder, so this call in that case
1773  * wouldn't be needed. *But* NOTE that if tinymail changes its
1774  * implementation (if folder transfers within the same account is no
1775  * longer implemented as a rename) this call will allow Modest to work
1776  * perfectly
1777  *
1778  * If the new name is not valid, this function will set the status to
1779  * failed and will set also an error in the mail operation
1780  */
1781 static gboolean
1782 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1783                                  TnyFolderStore *into,
1784                                  const gchar *new_name)
1785 {
1786         if (TNY_IS_ACCOUNT (into) && 
1787             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1788             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1789                                                                  new_name)) {
1790                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1791                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1792                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1793                              _("ckdg_ib_folder_already_exists"));
1794                 return FALSE;
1795         } else
1796                 return TRUE;
1797 }
1798
1799 /**
1800  * This function checks if @ancestor is an acestor of @folder and
1801  * returns TRUE in that case
1802  */
1803 static gboolean
1804 folder_is_ancestor (TnyFolder *folder,
1805                     TnyFolderStore *ancestor)
1806 {
1807         TnyFolder *tmp = NULL;
1808         gboolean found = FALSE;
1809
1810         tmp = folder;
1811         while (!found && tmp && !TNY_IS_ACCOUNT (tmp)) {
1812                 TnyFolderStore *folder_store;
1813
1814                 folder_store = tny_folder_get_folder_store (tmp);
1815                 if (ancestor == folder_store)
1816                         found = TRUE;
1817                 else
1818                         tmp = g_object_ref (folder_store);
1819                 g_object_unref (folder_store);
1820         }
1821         return found;
1822 }
1823
1824 void
1825 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1826                                    TnyFolder *folder,
1827                                    TnyFolderStore *parent,
1828                                    gboolean delete_original,
1829                                    XferMsgsAsynUserCallback user_callback,
1830                                    gpointer user_data)
1831 {
1832         ModestMailOperationPrivate *priv = NULL;
1833         ModestTnyFolderRules parent_rules = 0, rules; 
1834         XFerMsgAsyncHelper *helper = NULL;
1835         const gchar *folder_name = NULL;
1836         const gchar *error_msg;
1837
1838         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1839         g_return_if_fail (TNY_IS_FOLDER (folder));
1840         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1841
1842         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1843         folder_name = tny_folder_get_name (folder);
1844
1845         /* Set the error msg */
1846         error_msg = (delete_original) ? 
1847                 _("mail_in_ui_folder_move_target_error") : 
1848                 _("mail_in_ui_folder_copy_target_error");
1849
1850         /* Get account and set it into mail_operation */
1851         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1852         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1853
1854         /* Get folder rules */
1855         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1856         if (TNY_IS_FOLDER (parent))
1857                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1858         
1859         /* The moveable restriction is applied also to copy operation */
1860         if ((gpointer) parent == (gpointer) folder ||
1861             (!TNY_IS_FOLDER_STORE (parent)) || 
1862             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1863
1864                 /* Set status failed and set an error */
1865                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1866                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1867                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1868                              error_msg);
1869
1870                 /* Notify the queue */
1871                 modest_mail_operation_notify_end (self);
1872
1873         } else if (TNY_IS_FOLDER (parent) && 
1874                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1875
1876                 /* Set status failed and set an error */
1877                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1878                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1879                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1880                              error_msg);
1881
1882                 /* Notify the queue */
1883                 modest_mail_operation_notify_end (self);
1884
1885         } else if (TNY_IS_FOLDER (parent) &&
1886                    TNY_IS_FOLDER_STORE (folder) &&
1887                    folder_is_ancestor (TNY_FOLDER (parent), TNY_FOLDER_STORE (folder))) {
1888                 /* Set status failed and set an error */
1889                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1890                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1891                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1892                              error_msg);
1893
1894                 /* Notify the queue */
1895                 modest_mail_operation_notify_end (self);
1896
1897         } else if (TNY_IS_FOLDER_STORE (parent) &&
1898                    modest_tny_folder_has_subfolder_with_name (parent, folder_name)) {
1899                 /* Check that the new folder name is not used by any
1900                     parent subfolder */
1901
1902                 /* Set status failed and set an error */
1903                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1904                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1905                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1906                              error_msg);
1907
1908                 /* Notify the queue */
1909                 modest_mail_operation_notify_end (self);
1910                 
1911         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1912                 /* Check that the new folder name is not used by any
1913                    special local folder */
1914
1915                 /* Set status failed and set an error */
1916                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1917                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1918                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1919                              error_msg);
1920
1921                 /* Notify the queue */
1922                 modest_mail_operation_notify_end (self);
1923         } else {
1924                 /* Create the helper */
1925                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1926                 helper->mail_op = g_object_ref(self);
1927                 helper->dest_folder = NULL;
1928                 helper->headers = NULL;
1929                 helper->user_callback = user_callback;
1930                 helper->user_data = user_data;
1931                 
1932                 /* Move/Copy folder */          
1933                 tny_folder_copy_async (folder,
1934                                        parent,
1935                                        tny_folder_get_name (folder),
1936                                        delete_original,
1937                                        transfer_folder_cb,
1938                                        transfer_folder_status_cb,
1939                                        helper);         
1940         } 
1941         
1942 }
1943
1944 void
1945 modest_mail_operation_rename_folder (ModestMailOperation *self,
1946                                      TnyFolder *folder,
1947                                      const gchar *name)
1948 {
1949         ModestMailOperationPrivate *priv;
1950         ModestTnyFolderRules rules;
1951         XFerMsgAsyncHelper *helper;
1952
1953         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1954         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
1955         g_return_if_fail (name);
1956         
1957         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1958
1959         /* Get account and set it into mail_operation */
1960         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1961
1962         /* Check folder rules */
1963         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1964         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
1965                 /* Set status failed and set an error */
1966                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1967                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1968                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1969                              _("FIXME: unable to rename"));
1970
1971                 /* Notify about operation end */
1972                 modest_mail_operation_notify_end (self);
1973         } else if (!strcmp (name, " ") || strchr (name, '/')) {
1974                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1975                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1976                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1977                              _("FIXME: unable to rename"));
1978                 /* Notify about operation end */
1979                 modest_mail_operation_notify_end (self);
1980         } else {
1981                 TnyFolderStore *into;
1982
1983                 into = tny_folder_get_folder_store (folder);    
1984
1985                 /* Check that the new folder name is not used by any
1986                    special local folder */
1987                 if (new_name_valid_if_local_account (priv, into, name)) {
1988                         /* Create the helper */
1989                         helper = g_slice_new0 (XFerMsgAsyncHelper);
1990                         helper->mail_op = g_object_ref(self);
1991                         helper->dest_folder = NULL;
1992                         helper->headers = NULL;
1993                         helper->user_callback = NULL;
1994                         helper->user_data = NULL;
1995                 
1996                         /* Rename. Camel handles folder subscription/unsubscription */
1997                         tny_folder_copy_async (folder, into, name, TRUE,
1998                                                transfer_folder_cb,
1999                                                transfer_folder_status_cb,
2000                                                helper);
2001                 } else {
2002                         modest_mail_operation_notify_end (self);
2003                 }
2004                 g_object_unref (into);
2005         }
2006 }
2007
2008 /* ******************************************************************* */
2009 /* **************************  MSG  ACTIONS  ************************* */
2010 /* ******************************************************************* */
2011
2012 void modest_mail_operation_get_msg (ModestMailOperation *self,
2013                                     TnyHeader *header,
2014                                     GetMsgAsyncUserCallback user_callback,
2015                                     gpointer user_data)
2016 {
2017         GetMsgAsyncHelper *helper = NULL;
2018         TnyFolder *folder;
2019         ModestMailOperationPrivate *priv;
2020         
2021         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2022         g_return_if_fail (TNY_IS_HEADER (header));
2023         
2024         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2025         folder = tny_header_get_folder (header);
2026
2027         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2028
2029         /* Get message from folder */
2030         if (folder) {
2031                 /* Get account and set it into mail_operation */
2032                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2033                 
2034                 /* Check for cached messages */
2035                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2036                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2037                 else 
2038                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2039
2040                 helper = g_slice_new0 (GetMsgAsyncHelper);
2041                 helper->mail_op = self;
2042                 helper->user_callback = user_callback;
2043                 helper->user_data = user_data;
2044                 helper->header = g_object_ref (header);
2045
2046                 // The callback's reference so that the mail op is not
2047                 // finalized until the async operation is completed even if
2048                 // the user canceled the request meanwhile.
2049                 g_object_ref (G_OBJECT (helper->mail_op));
2050
2051                 tny_folder_get_msg_async (folder, header, get_msg_cb, get_msg_status_cb, helper);
2052
2053                 g_object_unref (G_OBJECT (folder));
2054         } else {
2055                 /* Set status failed and set an error */
2056                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2057                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2058                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2059                              _("Error trying to get a message. No folder found for header"));
2060
2061                 /* Notify the queue */
2062                 modest_mail_operation_notify_end (self);
2063         }
2064 }
2065
2066 static void
2067 get_msg_cb (TnyFolder *folder, 
2068             gboolean cancelled, 
2069             TnyMsg *msg, 
2070             GError *error, 
2071             gpointer user_data)
2072 {
2073         GetMsgAsyncHelper *helper = NULL;
2074         ModestMailOperation *self = NULL;
2075         ModestMailOperationPrivate *priv = NULL;
2076
2077         helper = (GetMsgAsyncHelper *) user_data;
2078         g_return_if_fail (helper != NULL);       
2079         self = helper->mail_op;
2080         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2081         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2082
2083         /* Check errors and cancel */
2084         if (error) {
2085                 priv->error = g_error_copy (error);
2086                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2087         } else if (cancelled) {
2088                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2089                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2090                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2091                              _("Error trying to refresh the contents of %s"),
2092                              tny_folder_get_name (folder));
2093         } else {
2094                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2095         }
2096
2097         /* If user defined callback function was defined, call it even
2098            if the operation failed*/
2099         if (helper->user_callback) {
2100                 /* This is not a GDK lock because we are a Tinymail callback
2101                  * which is already GDK locked by Tinymail */
2102
2103                 /* no gdk_threads_enter (), CHECKED */
2104                 helper->user_callback (self, helper->header, msg, helper->user_data);
2105                 /* no gdk_threads_leave (), CHECKED */
2106         }
2107
2108         /* Notify about operation end */
2109         modest_mail_operation_notify_end (self);
2110         /* Free */
2111         g_object_unref (helper->mail_op);
2112         g_object_unref (helper->header);
2113         g_slice_free (GetMsgAsyncHelper, helper);
2114                 
2115 }
2116
2117 static void     
2118 get_msg_status_cb (GObject *obj,
2119                    TnyStatus *status,  
2120                    gpointer user_data)
2121 {
2122         GetMsgAsyncHelper *helper = NULL;
2123         ModestMailOperation *self;
2124         ModestMailOperationPrivate *priv;
2125         ModestMailOperationState *state;
2126
2127         g_return_if_fail (status != NULL);
2128         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2129
2130         helper = (GetMsgAsyncHelper *) user_data;
2131         g_return_if_fail (helper != NULL);       
2132
2133         self = helper->mail_op;
2134         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2135
2136         priv->done = 1;
2137         priv->total = 1;
2138
2139         state = modest_mail_operation_clone_state (self);
2140         state->bytes_done = status->position;
2141         state->bytes_total = status->of_total;
2142
2143         /* This is not a GDK lock because we are a Tinymail callback
2144          * which is already GDK locked by Tinymail */
2145
2146         /* no gdk_threads_enter (), CHECKED */
2147         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2148         /* no gdk_threads_leave (), CHECKED */
2149
2150         g_slice_free (ModestMailOperationState, state);
2151 }
2152
2153 /****************************************************/
2154 typedef struct {
2155         ModestMailOperation *mail_op;
2156         TnyList *headers;
2157         GetMsgAsyncUserCallback user_callback;
2158         gpointer user_data;
2159         GDestroyNotify notify;
2160 } GetFullMsgsInfo;
2161
2162 typedef struct {
2163         GetMsgAsyncUserCallback user_callback;
2164         TnyHeader *header;
2165         TnyMsg *msg;
2166         gpointer user_data;
2167         ModestMailOperation *mail_op;
2168 } NotifyGetMsgsInfo;
2169
2170
2171 /* 
2172  * Used by get_msgs_full_thread to call the user_callback for each
2173  * message that has been read
2174  */
2175 static gboolean
2176 notify_get_msgs_full (gpointer data)
2177 {
2178         NotifyGetMsgsInfo *info;
2179
2180         info = (NotifyGetMsgsInfo *) data;      
2181
2182         /* This is a GDK lock because we are an idle callback and
2183          * because info->user_callback can contain Gtk+ code */
2184
2185         gdk_threads_enter (); /* CHECKED */
2186         info->user_callback (info->mail_op, info->header, info->msg, info->user_data);
2187         gdk_threads_leave (); /* CHECKED */
2188
2189         g_slice_free (NotifyGetMsgsInfo, info);
2190
2191         return FALSE;
2192 }
2193
2194 /* 
2195  * Used by get_msgs_full_thread to free al the thread resources and to
2196  * call the destroy function for the passed user_data
2197  */
2198 static gboolean
2199 get_msgs_full_destroyer (gpointer data)
2200 {
2201         GetFullMsgsInfo *info;
2202
2203         info = (GetFullMsgsInfo *) data;
2204
2205         if (info->notify) {
2206
2207                 /* This is a GDK lock because we are an idle callback and
2208                  * because info->notify can contain Gtk+ code */
2209
2210                 gdk_threads_enter (); /* CHECKED */
2211                 info->notify (info->user_data);
2212                 gdk_threads_leave (); /* CHECKED */
2213         }
2214
2215         /* free */
2216         g_object_unref (info->headers);
2217         g_slice_free (GetFullMsgsInfo, info);
2218
2219         return FALSE;
2220 }
2221
2222 static gpointer
2223 get_msgs_full_thread (gpointer thr_user_data)
2224 {
2225         GetFullMsgsInfo *info;
2226         ModestMailOperationPrivate *priv = NULL;
2227         TnyIterator *iter = NULL;
2228         
2229         info = (GetFullMsgsInfo *) thr_user_data;       
2230         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2231
2232         iter = tny_list_create_iterator (info->headers);
2233         while (!tny_iterator_is_done (iter)) { 
2234                 TnyHeader *header;
2235                 TnyFolder *folder;
2236                 
2237                 header = TNY_HEADER (tny_iterator_get_current (iter));
2238                 folder = tny_header_get_folder (header);
2239                                 
2240                 /* Check for cached messages */
2241                 if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2242                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2243                 else 
2244                         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2245
2246                 /* Get message from folder */
2247                 if (folder) {
2248                         TnyMsg *msg;
2249                         /* The callback will call it per each header */
2250                         msg = tny_folder_get_msg (folder, header, &(priv->error));
2251
2252                         if (msg) {
2253                                 ModestMailOperationState *state;
2254                                 ModestPair *pair;
2255
2256                                 priv->done++;
2257
2258                                 /* notify progress */
2259                                 state = modest_mail_operation_clone_state (info->mail_op);
2260                                 pair = modest_pair_new (g_object_ref (info->mail_op), state, FALSE);
2261                                 g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_notify_progress_once,
2262                                                  pair, (GDestroyNotify) modest_pair_free);
2263
2264                                 /* The callback is the responsible for
2265                                    freeing the message */
2266                                 if (info->user_callback) {
2267                                         NotifyGetMsgsInfo *info_notify;
2268                                         info_notify = g_slice_new0 (NotifyGetMsgsInfo);
2269                                         info_notify->user_callback = info->user_callback;
2270                                         info_notify->mail_op = info->mail_op;
2271                                         info_notify->header = g_object_ref (header);
2272                                         info_notify->msg = g_object_ref (msg);
2273                                         info_notify->user_data = info->user_data;
2274                                         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
2275                                                          notify_get_msgs_full, 
2276                                                          info_notify, NULL);
2277                                 }
2278                                 g_object_unref (msg);
2279                         } 
2280                 } else {
2281                         /* Set status failed and set an error */
2282                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2283                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2284                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2285                                      "Error trying to get a message. No folder found for header");
2286                 }
2287
2288                 if (header)
2289                         g_object_unref (header);
2290                 
2291                 tny_iterator_next (iter);
2292         }
2293
2294         /* Set operation status */
2295         if (priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2296                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2297
2298         /* Notify about operation end */
2299         g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
2300
2301         /* Free thread resources. Will be called after all previous idles */
2302         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE + 1, get_msgs_full_destroyer, info, NULL);
2303
2304         return NULL;
2305 }
2306
2307 void 
2308 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2309                                      TnyList *header_list, 
2310                                      GetMsgAsyncUserCallback user_callback,
2311                                      gpointer user_data,
2312                                      GDestroyNotify notify)
2313 {
2314         TnyHeader *header = NULL;
2315         TnyFolder *folder = NULL;
2316         GThread *thread;
2317         ModestMailOperationPrivate *priv = NULL;
2318         GetFullMsgsInfo *info = NULL;
2319         gboolean size_ok = TRUE;
2320         gint max_size;
2321         TnyIterator *iter = NULL;
2322         
2323         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2324         
2325         /* Init mail operation */
2326         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2327         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2328         priv->done = 0;
2329         priv->total = tny_list_get_length(header_list);
2330
2331         /* Get account and set it into mail_operation */
2332         if (tny_list_get_length (header_list) >= 1) {
2333                 iter = tny_list_create_iterator (header_list);
2334                 header = TNY_HEADER (tny_iterator_get_current (iter));
2335                 if (header) {
2336                         folder = tny_header_get_folder (header);
2337                         if (folder) {           
2338                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2339
2340                                 g_object_unref (folder);
2341                         }
2342
2343                         g_object_unref (header);
2344                 }
2345
2346                 if (tny_list_get_length (header_list) == 1) {
2347                         g_object_unref (iter);
2348                         iter = NULL;
2349                 }
2350         }
2351
2352         /* Get msg size limit */
2353         max_size  = modest_conf_get_int (modest_runtime_get_conf (), 
2354                                          MODEST_CONF_MSG_SIZE_LIMIT, 
2355                                          &(priv->error));
2356         if (priv->error) {
2357                 g_clear_error (&(priv->error));
2358                 max_size = G_MAXINT;
2359         } else {
2360                 max_size = max_size * KB;
2361         }
2362
2363         /* Check message size limits. If there is only one message
2364            always retrieve it */
2365         if (iter != NULL) {
2366                 while (!tny_iterator_is_done (iter) && size_ok) {
2367                         header = TNY_HEADER (tny_iterator_get_current (iter));
2368                         if (header) {
2369                                 if (tny_header_get_message_size (header) >= max_size)
2370                                         size_ok = FALSE;
2371                                 g_object_unref (header);
2372                         }
2373
2374                         tny_iterator_next (iter);
2375                 }
2376                 g_object_unref (iter);
2377         }
2378
2379         if (size_ok) {
2380                 /* Create the info */
2381                 info = g_slice_new0 (GetFullMsgsInfo);
2382                 info->mail_op = self;
2383                 info->user_callback = user_callback;
2384                 info->user_data = user_data;
2385                 info->headers = g_object_ref (header_list);
2386                 info->notify = notify;
2387
2388                 thread = g_thread_create (get_msgs_full_thread, info, FALSE, NULL);
2389         } else {
2390                 /* Set status failed and set an error */
2391                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2392                 /* FIXME: the error msg is different for pop */
2393                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2394                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2395                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2396                 /* Remove from queue and free resources */
2397                 modest_mail_operation_notify_end (self);
2398                 if (notify)
2399                         notify (user_data);
2400         }
2401 }
2402
2403
2404 void 
2405 modest_mail_operation_remove_msg (ModestMailOperation *self,  
2406                                   TnyHeader *header,
2407                                   gboolean remove_to_trash /*ignored*/)
2408 {
2409         TnyFolder *folder;
2410         ModestMailOperationPrivate *priv;
2411
2412         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2413         g_return_if_fail (TNY_IS_HEADER (header));
2414
2415         if (remove_to_trash)
2416                 g_warning ("remove to trash is not implemented");
2417
2418         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2419         folder = tny_header_get_folder (header);
2420
2421         /* Get account and set it into mail_operation */
2422         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2423
2424         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2425
2426         /* remove message from folder */
2427         tny_folder_remove_msg (folder, header, &(priv->error));
2428         if (!priv->error) {
2429                 tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2430                 tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2431
2432                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2433 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2434                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2435                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2436 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2437                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2438                 else
2439                         /* local folders */
2440 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2441                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2442         }
2443         
2444         
2445         /* Set status */
2446         if (!priv->error)
2447                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2448         else
2449                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2450
2451         /* Free */
2452         g_object_unref (G_OBJECT (folder));
2453
2454         /* Notify about operation end */
2455         modest_mail_operation_notify_end (self);
2456 }
2457
2458 void 
2459 modest_mail_operation_remove_msgs (ModestMailOperation *self,  
2460                                    TnyList *headers,
2461                                   gboolean remove_to_trash /*ignored*/)
2462 {
2463         TnyFolder *folder;
2464         ModestMailOperationPrivate *priv;
2465         TnyIterator *iter = NULL;
2466         TnyHeader *header = NULL;
2467
2468         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2469         g_return_if_fail (TNY_IS_LIST (headers));
2470
2471         if (remove_to_trash)
2472                 g_warning ("remove to trash is not implemented");
2473
2474         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2475
2476         /* Get folder from first header and sync it */
2477         iter = tny_list_create_iterator (headers);
2478         header = TNY_HEADER (tny_iterator_get_current (iter));
2479         folder = tny_header_get_folder (header);
2480         
2481         /* Get account and set it into mail_operation */
2482         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2483
2484         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2485
2486         /* remove message from folder */
2487         tny_folder_remove_msgs (folder, headers, &(priv->error));
2488         if (!priv->error) {
2489                 if (TNY_IS_CAMEL_IMAP_FOLDER (folder))
2490 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* FALSE --> don't expunge *\/ */
2491                         tny_folder_sync (folder, FALSE, &(priv->error)); /* FALSE --> don't expunge */
2492                 else if (TNY_IS_CAMEL_POP_FOLDER (folder))
2493 /*                      tny_folder_sync_async(folder, FALSE, NULL, NULL, NULL); /\* TRUE --> dont expunge *\/ */
2494                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2495                 else
2496                         /* local folders */
2497 /*                      tny_folder_sync_async(folder, TRUE, NULL, NULL, NULL); /\* TRUE --> expunge *\/ */
2498                         tny_folder_sync (folder, TRUE, &(priv->error)); /* TRUE --> expunge */
2499         }
2500         
2501         
2502         /* Set status */
2503         if (!priv->error)
2504                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2505         else
2506                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2507
2508         /* Free */
2509         g_object_unref (header);
2510         g_object_unref (iter);
2511         g_object_unref (G_OBJECT (folder));
2512
2513         /* Notify about operation end */
2514         modest_mail_operation_notify_end (self);
2515 }
2516
2517
2518 static void
2519 transfer_msgs_status_cb (GObject *obj,
2520                          TnyStatus *status,  
2521                          gpointer user_data)
2522 {
2523         XFerMsgAsyncHelper *helper = NULL;
2524         ModestMailOperation *self;
2525         ModestMailOperationPrivate *priv;
2526         ModestMailOperationState *state;
2527
2528
2529         g_return_if_fail (status != NULL);
2530         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2531
2532         helper = (XFerMsgAsyncHelper *) user_data;
2533         g_return_if_fail (helper != NULL);       
2534
2535         self = helper->mail_op;
2536         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2537
2538         priv->done = status->position;
2539         priv->total = status->of_total;
2540
2541         state = modest_mail_operation_clone_state (self);
2542
2543         /* This is not a GDK lock because we are a Tinymail callback and
2544          * Tinymail already acquires the Gdk lock */
2545
2546         /* no gdk_threads_enter (), CHECKED */
2547
2548         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2549
2550         /* no gdk_threads_leave (), CHECKED */
2551
2552         g_slice_free (ModestMailOperationState, state);
2553 }
2554
2555
2556 static void
2557 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2558 {
2559         XFerMsgAsyncHelper *helper;
2560         ModestMailOperation *self;
2561         ModestMailOperationPrivate *priv;
2562         TnyIterator *iter = NULL;
2563         TnyHeader *header = NULL;
2564
2565         helper = (XFerMsgAsyncHelper *) user_data;
2566         self = helper->mail_op;
2567
2568         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2569
2570         if (err) {
2571                 priv->error = g_error_copy (err);
2572                 priv->done = 0;
2573                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;     
2574         } else if (cancelled) {
2575                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2576                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2577                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2578                              _("Error trying to refresh the contents of %s"),
2579                              tny_folder_get_name (folder));
2580         } else {
2581                 priv->done = 1;
2582                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2583
2584                 /* Update folder counts */
2585                 tny_folder_poke_status (folder);                
2586                 tny_folder_poke_status (helper->dest_folder);           
2587         }
2588
2589         
2590         /* Mark headers as deleted and seen */
2591         if ((helper->delete) && 
2592             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2593                 iter = tny_list_create_iterator (helper->headers);
2594                 while (!tny_iterator_is_done (iter)) {
2595                         header = TNY_HEADER (tny_iterator_get_current (iter));
2596                         tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
2597                         tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
2598                         g_object_unref (header);
2599
2600                         tny_iterator_next (iter);
2601                 }
2602
2603         }
2604                 
2605
2606         /* Notify about operation end */
2607         modest_mail_operation_notify_end (self);
2608
2609         /* If user defined callback function was defined, call it */
2610         if (helper->user_callback) {
2611                 /* This is not a GDK lock because we are a Tinymail callback and
2612                  * Tinymail already acquires the Gdk lock */
2613
2614                 /* no gdk_threads_enter (), CHECKED */
2615                 helper->user_callback (priv->source, helper->user_data);
2616                 /* no gdk_threads_leave (), CHECKED */
2617         }
2618
2619         /* Free */
2620         if (helper->headers)
2621                 g_object_unref (helper->headers);
2622         if (helper->dest_folder)
2623                 g_object_unref (helper->dest_folder);
2624         if (helper->mail_op)
2625                 g_object_unref (helper->mail_op);
2626         if (folder)
2627                 g_object_unref (folder);
2628         if (iter)
2629                 g_object_unref (iter);
2630         g_slice_free   (XFerMsgAsyncHelper, helper);
2631
2632 }
2633
2634 void
2635 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2636                                  TnyList *headers, 
2637                                  TnyFolder *folder, 
2638                                  gboolean delete_original,
2639                                  XferMsgsAsynUserCallback user_callback,
2640                                  gpointer user_data)
2641 {
2642         ModestMailOperationPrivate *priv = NULL;
2643         TnyIterator *iter = NULL;
2644         TnyFolder *src_folder = NULL;
2645         XFerMsgAsyncHelper *helper = NULL;
2646         TnyHeader *header = NULL;
2647         ModestTnyFolderRules rules = 0;
2648         const gchar *id1 = NULL;
2649         const gchar *id2 = NULL;
2650         gboolean same_folder = FALSE;
2651
2652         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2653         g_return_if_fail (TNY_IS_LIST (headers));
2654         g_return_if_fail (TNY_IS_FOLDER (folder));
2655
2656         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2657         priv->total = 1;
2658         priv->done = 0;
2659         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2660
2661         /* Apply folder rules */
2662         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2663         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2664                 /* Set status failed and set an error */
2665                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2666                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2667                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2668                              _CS("ckct_ib_unable_to_paste_here"));
2669                 /* Notify the queue */
2670                 modest_mail_operation_notify_end (self);
2671                 return;
2672         }
2673                 
2674         /* Get source folder */
2675         iter = tny_list_create_iterator (headers);
2676         header = TNY_HEADER (tny_iterator_get_current (iter));
2677         if (header) {
2678                 src_folder = tny_header_get_folder (header);
2679                 g_object_unref (header);
2680         }
2681
2682         g_object_unref (iter);
2683
2684         /* Check folder source and destination */
2685         id1 = tny_folder_get_id (src_folder);
2686         id2 = tny_folder_get_id (TNY_FOLDER(folder));
2687         same_folder = !g_ascii_strcasecmp (id1, id2);
2688         if (same_folder) {
2689                 /* Set status failed and set an error */
2690                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2691                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2692                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2693                              _("mcen_ib_unable_to_copy_samefolder"));
2694                 
2695                 /* Notify the queue */
2696                 modest_mail_operation_notify_end (self);
2697                 
2698                 /* Free */
2699                 g_object_unref (src_folder);            
2700                 return;
2701         }
2702
2703         /* Create the helper */
2704         helper = g_slice_new0 (XFerMsgAsyncHelper);
2705         helper->mail_op = g_object_ref(self);
2706         helper->dest_folder = g_object_ref(folder);
2707         helper->headers = g_object_ref(headers);
2708         helper->user_callback = user_callback;
2709         helper->user_data = user_data;
2710         helper->delete = delete_original;
2711
2712         /* Get account and set it into mail_operation */
2713         priv->account = modest_tny_folder_get_account (src_folder);
2714
2715         /* Transfer messages */
2716         tny_folder_transfer_msgs_async (src_folder, 
2717                                         headers, 
2718                                         folder, 
2719                                         delete_original, 
2720                                         transfer_msgs_cb, 
2721                                         transfer_msgs_status_cb,
2722                                         helper);
2723 }
2724
2725
2726 static void
2727 on_refresh_folder (TnyFolder   *folder, 
2728                    gboolean     cancelled, 
2729                    GError     *error,
2730                    gpointer     user_data)
2731 {
2732         RefreshAsyncHelper *helper = NULL;
2733         ModestMailOperation *self = NULL;
2734         ModestMailOperationPrivate *priv = NULL;
2735
2736         helper = (RefreshAsyncHelper *) user_data;
2737         self = helper->mail_op;
2738         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2739
2740         g_return_if_fail(priv!=NULL);
2741
2742         if (error) {
2743                 priv->error = g_error_copy (error);
2744                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2745                 printf("DEBUG: %s: Operation error:\n %s", __FUNCTION__,
2746                        error->message);
2747                 goto out;
2748         }
2749
2750         if (cancelled) {
2751                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2752                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2753                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2754                              _("Error trying to refresh the contents of %s"),
2755                              tny_folder_get_name (folder));
2756                 printf("DEBUG: %s: Operation cancelled.\n", __FUNCTION__);
2757                 goto out;
2758         }
2759
2760         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2761
2762         /* Call user defined callback, if it exists */
2763         if (helper->user_callback) {
2764
2765                 /* This is not a GDK lock because we are a Tinymail callback and
2766                  * Tinymail already acquires the Gdk lock */
2767
2768                 /* no gdk_threads_enter (), CHECKED */
2769                 helper->user_callback (self, folder, helper->user_data);
2770                 /* no gdk_threads_leave (), CHECKED */
2771         }
2772
2773  out:
2774         /* Free */
2775         g_slice_free   (RefreshAsyncHelper, helper);
2776
2777         /* Notify about operation end */
2778         modest_mail_operation_notify_end (self);
2779         g_object_unref(self);
2780 }
2781
2782 static void
2783 on_refresh_folder_status_update (GObject *obj,
2784                                  TnyStatus *status,
2785                                  gpointer user_data)
2786 {
2787         RefreshAsyncHelper *helper = NULL;
2788         ModestMailOperation *self = NULL;
2789         ModestMailOperationPrivate *priv = NULL;
2790         ModestMailOperationState *state;
2791
2792         g_return_if_fail (user_data != NULL);
2793         g_return_if_fail (status != NULL);
2794         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2795
2796         helper = (RefreshAsyncHelper *) user_data;
2797         self = helper->mail_op;
2798         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2799
2800         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2801
2802         priv->done = status->position;
2803         priv->total = status->of_total;
2804
2805         state = modest_mail_operation_clone_state (self);
2806
2807         /* This is not a GDK lock because we are a Tinymail callback and
2808          * Tinymail already acquires the Gdk lock */
2809
2810         /* no gdk_threads_enter (), CHECKED */
2811
2812         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2813
2814         /* no gdk_threads_leave (), CHECKED */
2815
2816         g_slice_free (ModestMailOperationState, state);
2817 }
2818
2819 void 
2820 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2821                                        TnyFolder *folder,
2822                                        RefreshAsyncUserCallback user_callback,
2823                                        gpointer user_data)
2824 {
2825         ModestMailOperationPrivate *priv = NULL;
2826         RefreshAsyncHelper *helper = NULL;
2827
2828         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2829
2830         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2831
2832         /* Get account and set it into mail_operation */
2833         priv->account = modest_tny_folder_get_account  (folder);
2834
2835         /* Create the helper */
2836         helper = g_slice_new0 (RefreshAsyncHelper);
2837         helper->mail_op = g_object_ref(self);
2838         helper->user_callback = user_callback;
2839         helper->user_data = user_data;
2840
2841         /* Refresh the folder. TODO: tinymail could issue a status
2842            updates before the callback call then this could happen. We
2843            must review the design */
2844         tny_folder_refresh_async (folder,
2845                                   on_refresh_folder,
2846                                   on_refresh_folder_status_update,
2847                                   helper);
2848 }
2849
2850 /**
2851  *
2852  * It's used by the mail operation queue to notify the observers
2853  * attached to that signal that the operation finished. We need to use
2854  * that because tinymail does not give us the progress of a given
2855  * operation when it finishes (it directly calls the operation
2856  * callback).
2857  */
2858 static void
2859 modest_mail_operation_notify_end (ModestMailOperation *self)
2860 {
2861         ModestMailOperationState *state;
2862         ModestMailOperationPrivate *priv = NULL;
2863
2864         g_return_if_fail (self);
2865
2866         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2867
2868         /* Set the account back to not busy */
2869         if (priv->account_name) {
2870                 modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr(), 
2871                                                      priv->account_name, FALSE);
2872                 g_free(priv->account_name);
2873                 priv->account_name = NULL;
2874         }
2875         
2876         /* Notify the observers about the mail operation end */
2877         /* We do not wrapp this emission because we assume that this
2878            function is always called from within the main lock */
2879         state = modest_mail_operation_clone_state (self);
2880         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2881         g_slice_free (ModestMailOperationState, state);
2882 }