* small cosmetic cleanups, leak fix for modest_account_mgr_set_first_account_as_default
[modest] / src / modest-tny-account-store.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 <glib/gi18n.h>
32
33 #include <tny-account.h>
34 #include <tny-account-store.h>
35 #include <tny-store-account.h>
36 #include <tny-error.h>
37 #include <tny-transport-account.h>
38 #include <tny-simple-list.h>
39 #include <tny-account-store.h>
40 #include <tny-camel-transport-account.h>
41 #include <tny-camel-imap-store-account.h>
42 #include <tny-camel-pop-store-account.h>
43
44 #include <modest-runtime.h>
45 #include <modest-marshal.h>
46 #include <modest-protocol-info.h>
47 #include <modest-local-folder-info.h>
48 #include <modest-tny-account.h>
49 #include <modest-tny-local-folders-account.h>
50 #include <modest-account-mgr.h>
51 #include <modest-account-mgr-helpers.h>
52 #include <widgets/modest-window-mgr.h>
53 #include <modest-account-settings-dialog.h>
54
55
56 #include "modest-tny-account-store.h"
57 #include "modest-tny-platform-factory.h"
58 #include <tny-gtk-lockable.h>
59 #include <camel/camel.h>
60
61 #ifdef MODEST_PLATFORM_MAEMO
62 #include <tny-maemo-conic-device.h>
63 #ifdef MODEST_HILDON_VERSION_0
64 #include <hildon-widgets/hildon-note.h>
65 #include <hildon-widgets/hildon-banner.h>
66 #else
67 #include <hildon/hildon-note.h>
68 #include <hildon/hildon-banner.h>
69 #endif
70 #endif
71
72 #include <libgnomevfs/gnome-vfs-volume-monitor.h>
73
74 /* 'private'/'protected' functions */
75 static void modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
76 //static void modest_tny_account_store_init         (ModestTnyAccountStore *obj);
77 static void modest_tny_account_store_finalize     (GObject *obj);
78
79 /* implementations for tny-account-store-iface */
80 static void    modest_tny_account_store_instance_init (ModestTnyAccountStore *obj);
81 static void    modest_tny_account_store_init          (gpointer g, gpointer iface_data);
82
83
84 static void
85 get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type);
86
87
88 /* list my signals */
89 enum {
90         ACCOUNT_UPDATE_SIGNAL,
91         PASSWORD_REQUESTED_SIGNAL,
92         LAST_SIGNAL
93 };
94
95 typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
96 struct _ModestTnyAccountStorePrivate {
97         gchar              *cache_dir;  
98         GHashTable         *password_hash;
99         ModestAccountMgr   *account_mgr;
100         TnySessionCamel    *session;
101         TnyDevice          *device;
102         
103         /* We cache the lists of accounts here.
104          * They are created in our get_accounts_func() implementation. */
105         GSList             *store_accounts;
106         GSList             *transport_accounts;
107         
108         /* This is also contained in store_accounts,
109          * but we cached it temporarily separately, 
110          * because we create this while creating the transport accounts, 
111          * but return it when requesting the store accounts: 
112          */
113         GSList             *store_accounts_outboxes;
114 };
115
116 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
117                                                       MODEST_TYPE_TNY_ACCOUNT_STORE, \
118                                                       ModestTnyAccountStorePrivate))
119
120 /* globals */
121 static GObjectClass *parent_class = NULL;
122
123 static guint signals[LAST_SIGNAL] = {0};
124
125 GType
126 modest_tny_account_store_get_type (void)
127 {
128         static GType my_type = 0;
129
130         if (!my_type) {
131                 static const GTypeInfo my_info = {
132                         sizeof(ModestTnyAccountStoreClass),
133                         NULL,           /* base init */
134                         NULL,           /* base finalize */
135                         (GClassInitFunc) modest_tny_account_store_class_init,
136                         NULL,           /* class finalize */
137                         NULL,           /* class data */
138                         sizeof(ModestTnyAccountStore),
139                         0,              /* n_preallocs */
140                         (GInstanceInitFunc) modest_tny_account_store_instance_init,
141                         NULL
142                 };
143
144                 static const GInterfaceInfo iface_info = {
145                         (GInterfaceInitFunc) modest_tny_account_store_init,
146                         NULL,         /* interface_finalize */
147                         NULL          /* interface_data */
148                 };
149                 /* hack hack */
150                 my_type = g_type_register_static (G_TYPE_OBJECT,
151                                                   "ModestTnyAccountStore",
152                                                   &my_info, 0);
153                 g_type_add_interface_static (my_type, TNY_TYPE_ACCOUNT_STORE,
154                                              &iface_info);
155         }
156         return my_type;
157 }
158
159 static void
160 modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
161 {
162         GObjectClass *gobject_class;
163         gobject_class = (GObjectClass*) klass;
164
165         parent_class            = g_type_class_peek_parent (klass);
166         gobject_class->finalize = modest_tny_account_store_finalize;
167
168         g_type_class_add_private (gobject_class,
169                                   sizeof(ModestTnyAccountStorePrivate));
170
171          signals[ACCOUNT_UPDATE_SIGNAL] =
172                 g_signal_new ("account_update",
173                               G_TYPE_FROM_CLASS (gobject_class),
174                               G_SIGNAL_RUN_FIRST,
175                               G_STRUCT_OFFSET(ModestTnyAccountStoreClass, account_update),
176                               NULL, NULL,
177                               g_cclosure_marshal_VOID__STRING,
178                               G_TYPE_NONE, 1, G_TYPE_STRING);
179          
180          signals[PASSWORD_REQUESTED_SIGNAL] =
181                  g_signal_new ("password_requested",
182                                G_TYPE_FROM_CLASS (gobject_class),
183                                G_SIGNAL_RUN_FIRST,
184                                G_STRUCT_OFFSET(ModestTnyAccountStoreClass, password_requested),
185                                NULL, NULL,
186                                modest_marshal_VOID__STRING_POINTER_POINTER_POINTER_POINTER,
187                                G_TYPE_NONE, 5, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER,
188                                G_TYPE_POINTER);
189 }
190
191
192      
193 static void
194 on_vfs_volume_mounted(GnomeVFSVolumeMonitor *volume_monitor, 
195         GnomeVFSVolume *volume, gpointer user_data);
196
197 static void
198 on_vfs_volume_unmounted(GnomeVFSVolumeMonitor *volume_monitor, 
199         GnomeVFSVolume *volume, gpointer user_data);
200
201 static void
202 modest_tny_account_store_instance_init (ModestTnyAccountStore *obj)
203 {
204         ModestTnyAccountStorePrivate *priv =
205                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
206
207         priv->cache_dir              = NULL;
208         priv->account_mgr            = NULL;
209         priv->session                = NULL;
210         priv->device                 = NULL;
211         
212         /* An in-memory store of passwords, 
213          * for passwords that are not remembered in the configuration,
214          * so they need to be asked for from the user once in each session:
215          */
216         priv->password_hash          = g_hash_table_new_full (g_str_hash, g_str_equal,
217                                                               g_free, g_free);
218                                                               
219         /* Respond to volume mounts and unmounts, such 
220          * as the insertion/removal of the memory card: */
221         GnomeVFSVolumeMonitor* monitor = 
222                 gnome_vfs_get_volume_monitor();
223         g_signal_connect (G_OBJECT(monitor), "volume-mounted",
224                           G_CALLBACK(on_vfs_volume_mounted),
225                           obj);
226         g_signal_connect (G_OBJECT(monitor), "volume-unmounted",
227                           G_CALLBACK(on_vfs_volume_unmounted),
228                           obj);
229 }
230
231 static void
232 account_list_free (GSList *accounts)
233 {
234         GSList *cursor = accounts;
235
236         while (cursor) {
237                 if (G_IS_OBJECT(cursor->data)) { /* check twice... */
238                         const gchar *id = tny_account_get_id(TNY_ACCOUNT(cursor->data));
239                         modest_runtime_verify_object_last_ref(cursor->data,id);
240                 }                       
241                 g_object_unref (G_OBJECT(cursor->data));
242                 cursor = cursor->next;
243         }
244         g_slist_free (accounts);
245 }
246
247 static void
248 recreate_all_accounts (ModestTnyAccountStore *self)
249 {
250         ModestTnyAccountStorePrivate *priv = 
251                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
252         
253         if (priv->store_accounts_outboxes) {
254                 account_list_free (priv->store_accounts_outboxes);
255                 priv->store_accounts_outboxes = NULL;
256         }
257                         
258         if (priv->store_accounts) {
259                 account_list_free (priv->store_accounts);
260                 priv->store_accounts = NULL;
261                 get_server_accounts (TNY_ACCOUNT_STORE(self),
262                                              NULL, TNY_ACCOUNT_TYPE_STORE);
263         }
264         
265         if (priv->transport_accounts) {
266                 account_list_free (priv->transport_accounts);
267                 priv->transport_accounts = NULL;
268                 get_server_accounts (TNY_ACCOUNT_STORE(self), NULL,
269                                              TNY_ACCOUNT_TYPE_TRANSPORT);
270         }
271 }
272
273 static void
274 on_vfs_volume_mounted(GnomeVFSVolumeMonitor *volume_monitor, 
275         GnomeVFSVolume *volume, gpointer user_data)
276 {
277         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
278         
279         /* Check whether this was the external MMC1 card: */
280         gchar *uri = gnome_vfs_volume_get_activation_uri (volume);      
281         if (uri && (strcmp (uri, MODEST_MCC1_VOLUMEPATH_URI) == 0)) {
282                 printf ("DEBUG: %s: MMC1 card mounted.\n", __FUNCTION__);
283                 
284                 /* TODO: Just add an account and emit (and respond to) 
285                  * TnyAccountStore::accountinserted signal?
286                  */
287                 recreate_all_accounts (self);
288                 
289                 g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
290                                NULL);
291         }
292         
293         g_free (uri);
294 }
295
296 static void
297 on_vfs_volume_unmounted(GnomeVFSVolumeMonitor *volume_monitor, 
298         GnomeVFSVolume *volume, gpointer user_data)
299 {
300         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
301         
302         /* Check whether this was the external MMC1 card: */
303         gchar *uri = gnome_vfs_volume_get_activation_uri (volume);
304         if (uri && (strcmp (uri, MODEST_MCC1_VOLUMEPATH_URI) == 0)) {
305                 printf ("DEBUG: %s: MMC1 card unmounted.\n", __FUNCTION__);
306                 
307                 /* TODO: Just add an account and emit (and respond to) 
308                  * TnyAccountStore::accountinserted signal?
309                  */
310                 recreate_all_accounts (self);
311                 
312                 g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
313                                NULL);
314         }
315         
316         g_free (uri);
317 }
318
319 static void
320 on_account_removed (ModestAccountMgr *acc_mgr, 
321                     const gchar *account,
322                     gboolean server_account,
323                     gpointer user_data)
324 {
325         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
326         TnyAccount *store_account;
327
328         g_warning ("removing account %s", account);
329         
330         /* Clear the account cache */
331         store_account =
332                 modest_tny_account_store_get_server_account (self,
333                                                              account,
334                                                              TNY_ACCOUNT_TYPE_STORE);
335         if (store_account) {
336                 tny_store_account_delete_cache (TNY_STORE_ACCOUNT (store_account));
337                 g_object_unref (store_account);
338         } else
339                 g_printerr ("modest: cannot find server account for %s", account);
340         
341         /* FIXME: make this more finegrained; changes do not
342          * really affect _all_ accounts, and some do not
343          * affect tny accounts at all (such as 'last_update')
344          */
345         recreate_all_accounts (self);
346         
347         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
348                        account);
349 }
350
351 static void
352 on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account,
353                     const GSList *keys, gboolean server_account, gpointer user_data)
354
355 {
356         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
357
358         g_warning ("updating account %s (%d change(s))", account, g_slist_length((GSList*)keys));
359         
360         /* Ignore the change if it's a change in the last_updated value */
361         if (g_slist_length ((GSList *)keys) == 1 &&
362             g_str_has_suffix ((const gchar *) keys->data, MODEST_ACCOUNT_LAST_UPDATED))
363                 return;
364
365         /* FIXME: make this more finegrained; changes do not really affect _all_
366          * accounts, and some do not affect tny accounts at all (such as 'last_update')
367          */
368         if (server_account)
369                 recreate_all_accounts (self);
370
371         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
372                        account);
373 }
374
375
376 static ModestTnyAccountStore*
377 get_account_store_for_account (TnyAccount *account)
378 {
379         return MODEST_TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
380                                                            "account_store"));
381 }
382
383 /* This callback will be called by Tinymail when it needs the password
384  * from the user, for instance if the password was not remembered.
385  * Note that TnyAccount here will be the server account. */
386 static gchar*
387 get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
388 {
389         /* Initialize the output parameter: */
390         if (cancel)
391           *cancel = FALSE;
392           
393         const gchar *key;
394         const TnyAccountStore *account_store;
395         ModestTnyAccountStore *self;
396         ModestTnyAccountStorePrivate *priv;
397         gchar *username = NULL;
398         gchar *pwd = NULL;
399         gpointer pwd_ptr;
400         gboolean already_asked;
401         
402         key           = tny_account_get_id (account);
403         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
404         
405         self = MODEST_TNY_ACCOUNT_STORE (account_store);
406         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
407         
408         /* This hash map stores passwords, including passwords that are not stored in gconf. */
409         /* is it in the hash? if it's already there, it must be wrong... */
410         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
411                                    * type-punned ptrs...*/
412         already_asked = g_hash_table_lookup_extended (priv->password_hash,
413                                                       key,
414                                                       NULL,
415                                                       (gpointer*)&pwd_ptr);
416
417         /* if the password is not already there, try ModestConf */
418         if (!already_asked) {
419                 pwd  = modest_account_mgr_get_string (priv->account_mgr,
420                                                       key, MODEST_ACCOUNT_PASSWORD, TRUE);
421                 g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup (pwd));
422         }
423
424         /* if it was already asked, it must have been wrong, so ask again */
425         /* TODO: However, when we supply a wrong password to tinymail, 
426          * it seems to (at least sometimes) call our alert_func() instead of 
427          * asking for the password again.
428          */
429         if (already_asked || !pwd || strlen(pwd) == 0) {
430                 /* we don't have it yet. Get the password from the user */
431                 const gchar* account_id = tny_account_get_id (account);
432                 gboolean remember = FALSE;
433                 pwd = NULL;
434                 
435                 /* Note that we ignore the returned username here,
436                  * because it is enough that it will be stored in gconf 
437                  * by the signal handler. */
438                 g_signal_emit (G_OBJECT(self), signals[PASSWORD_REQUESTED_SIGNAL], 0,
439                                account_id, /* server_account_name */
440                                &username, &pwd, cancel, &remember);
441                 
442                 if (!*cancel) {
443                         if (remember)
444                                 modest_account_mgr_set_string (priv->account_mgr,key,
445                                                                MODEST_ACCOUNT_PASSWORD,
446                                                                pwd, TRUE);
447                         /* We need to dup the string even knowing that
448                            it's already a dup of the contents of an
449                            entry, because it if it's wrong, then camel
450                            will free it */
451                         g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup(pwd));
452                 } else {
453                         g_hash_table_remove (priv->password_hash, key);
454                         
455                         g_free (pwd);
456                         pwd = NULL;
457                 }
458
459                 g_free (username);
460                 username = NULL;
461         } else
462                 *cancel = FALSE;
463  
464     /* printf("  DEBUG: %s: returning %s\n", __FUNCTION__, pwd); */
465         
466         return pwd;
467 }
468
469 /* tinymail calls this if the connection failed due to an incorrect password.
470  * And it seems to call this for any general connection failure. */
471 static void
472 forget_password (TnyAccount *account)
473 {
474         printf ("DEBUG: %s\n", __FUNCTION__);
475         ModestTnyAccountStore *self;
476         ModestTnyAccountStorePrivate *priv;
477         const TnyAccountStore *account_store;
478         gchar *pwd;
479         const gchar *key;
480         
481         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
482         self = MODEST_TNY_ACCOUNT_STORE (account_store);
483         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
484         key  = tny_account_get_id (account);
485
486         /* Do not remove the key, this will allow us to detect that we
487            have already asked for it at least once */
488         pwd = g_hash_table_lookup (priv->password_hash, key);
489         if (pwd) {
490                 memset (pwd, 0, strlen (pwd));
491                 g_hash_table_insert (priv->password_hash, g_strdup (key), NULL);
492         }
493
494         /* Remove from configuration system */
495         modest_account_mgr_unset (priv->account_mgr,
496                                   key, MODEST_ACCOUNT_PASSWORD, TRUE);
497 }
498
499
500 static void
501 modest_tny_account_store_finalize (GObject *obj)
502 {
503         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
504         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
505         
506         //gboolean debug = modest_runtime_get_debug_flags() & MODEST_RUNTIME_DEBUG_DEBUG_OBJECTS;
507
508         g_free (priv->cache_dir);
509         priv->cache_dir = NULL;
510         
511         if (priv->password_hash) {
512                 g_hash_table_destroy (priv->password_hash);
513                 priv->password_hash = NULL;
514         }
515
516         if (priv->account_mgr) {
517                 g_object_unref (G_OBJECT(priv->account_mgr));
518                 priv->account_mgr = NULL;
519         }
520
521         if (priv->device) {
522                 g_object_unref (G_OBJECT(priv->device));
523                 priv->device = NULL;
524         }
525
526         /* this includes the local folder */
527         account_list_free (priv->store_accounts);
528         priv->store_accounts = NULL;
529         
530         account_list_free (priv->transport_accounts);
531         priv->transport_accounts = NULL;
532
533         if (priv->session) {
534                 camel_object_unref (CAMEL_OBJECT(priv->session));
535                 priv->session = NULL;
536         }
537         
538         G_OBJECT_CLASS(parent_class)->finalize (obj);
539 }
540
541
542 ModestTnyAccountStore*
543 modest_tny_account_store_new (ModestAccountMgr *account_mgr, TnyDevice *device) {
544
545         GObject *obj;
546         ModestTnyAccountStorePrivate *priv;
547         TnyList *list; 
548         
549         g_return_val_if_fail (account_mgr, NULL);
550         g_return_val_if_fail (device, NULL);
551
552         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
553         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
554
555         priv->account_mgr = g_object_ref (G_OBJECT(account_mgr));
556         priv->device = g_object_ref (device);
557         
558         priv->session = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
559         
560         tny_session_camel_set_ui_locker (priv->session,  tny_gtk_lockable_new ());
561         /* FIXME: unref this in the end? */
562         tny_session_camel_set_async_connecting (priv->session, TRUE);
563         
564         /* force a cache fill... ugly */
565         list = TNY_LIST(tny_simple_list_new());
566         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(obj), list,
567                                         TNY_ACCOUNT_STORE_BOTH);
568         g_object_unref(list);
569         
570         /* Connect signals */
571         g_signal_connect (G_OBJECT(account_mgr), "account_changed",
572                                        G_CALLBACK (on_account_changed), obj);
573         g_signal_connect (G_OBJECT(account_mgr), "account_removed",
574                                        G_CALLBACK (on_account_removed), obj);
575
576         return MODEST_TNY_ACCOUNT_STORE(obj);
577 }
578
579 /** Fill the TnyList from the appropriate cached GSList of accounts. */
580 static void
581 get_cached_accounts (TnyAccountStore *self, TnyList *list, TnyAccountType type)
582 {
583         ModestTnyAccountStorePrivate *priv;
584         GSList                       *accounts, *cursor;
585         
586         priv     = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
587         accounts = (type == TNY_ACCOUNT_TYPE_STORE ? priv->store_accounts : priv->transport_accounts);
588
589         cursor = accounts;
590         while (cursor) {
591                 if (cursor->data) {
592                         GObject *object = G_OBJECT(cursor->data);
593                         tny_list_prepend (list, object);
594                 }
595                         
596                 cursor = cursor->next;
597         }
598 }
599
600 static void
601 create_per_account_local_outbox_folders (TnyAccountStore *self)
602 {
603         g_return_if_fail (self);
604         
605         ModestTnyAccountStorePrivate *priv = 
606                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
607         
608         /* printf("DEBUG: %s: priv->store_accounts_outboxes = %p\n", __FUNCTION__, priv->store_accounts_outboxes); */
609         
610         GSList *accounts = NULL;
611         
612         GSList *account_names  = modest_account_mgr_account_names (priv->account_mgr, 
613                 TRUE /* including disabled accounts */);
614         
615         GSList *iter = NULL;
616         for (iter = account_names; iter; iter = g_slist_next (iter)) {
617                 
618                 const gchar* account_name = (const gchar*)iter->data;
619                 
620                 /* Create a per-account local outbox folder (a _store_ account) 
621                  * for each _transport_ account: */
622                 TnyAccount *tny_account_outbox =
623                         modest_tny_account_new_for_per_account_local_outbox_folder (
624                                 priv->account_mgr, account_name, priv->session);
625                                 
626                 accounts = g_slist_append (accounts, tny_account_outbox); /* cache it */
627         };
628         
629         g_slist_free (account_names);
630         
631         priv->store_accounts_outboxes = accounts;
632 }
633
634 /* This function fills the TnyList, and also stores a GSList of the accounts,
635  * for caching purposes. It creates the TnyAccount objects if necessary.
636  * The @list parameter may be NULL, if you just want to fill the cache.
637  */
638 static void
639 get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type)
640 {
641         g_return_if_fail (self);
642         
643         /* printf ("DEBUG: %s: list=%p, type=%d\n", __FUNCTION__, list, type); */
644                 
645         ModestTnyAccountStorePrivate *priv = 
646                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
647                 
648         /* Do nothing if the accounts are already cached: */
649         if (type == TNY_ACCOUNT_TYPE_STORE) {
650                 if (priv->store_accounts)
651                         return;
652         } else if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
653                 if (priv->transport_accounts)
654                         return;
655         }
656         
657         GSList                       *account_names = NULL, *cursor = NULL;
658         GSList                       *accounts = NULL;
659
660         /* These are account names, not server_account names */
661         account_names = modest_account_mgr_account_names (priv->account_mgr,FALSE);
662                 
663         for (cursor = account_names; cursor; cursor = cursor->next) {
664                 
665                 gchar *account_name = (gchar*)cursor->data;
666                 
667                 /* we get the server_accounts for enabled accounts */
668                 if (modest_account_mgr_get_enabled(priv->account_mgr, account_name)) {
669                                 
670                         /* Add the account: */
671                         TnyAccount *tny_account = 
672                                 modest_tny_account_new_from_account (priv->account_mgr,
673                                                                      account_name,
674                                                                      type, priv->session,
675                                                                      get_password,
676                                                                      forget_password);
677                         if (tny_account) {
678                                 g_object_set_data (G_OBJECT(tny_account), "account_store",
679                                                    (gpointer)self);
680                                 if (list)
681                                         tny_list_prepend (list, G_OBJECT(tny_account));
682                                 
683                                 accounts = g_slist_append (accounts, tny_account); /* cache it */               
684                         } else
685                                 g_printerr ("modest: failed to create account for %s\n",
686                                             account_name);
687                         }
688         }
689         
690         if (type == TNY_ACCOUNT_TYPE_STORE) {           
691                 /* Also add the Memory card account if it is mounted: */
692                 gboolean mmc_is_mounted = FALSE;
693                 GnomeVFSVolumeMonitor* monitor = 
694                         gnome_vfs_get_volume_monitor();
695                 GList* list_volumes = gnome_vfs_volume_monitor_get_mounted_volumes (monitor);
696                 GList *iter = list_volumes;
697                 while (iter) {
698                         GnomeVFSVolume *volume = (GnomeVFSVolume*)iter->data;
699                         if (volume) {
700                                 if (!mmc_is_mounted) {
701                                         gchar *uri = gnome_vfs_volume_get_activation_uri (volume);
702                                         if (uri && (strcmp (uri, MODEST_MCC1_VOLUMEPATH_URI) == 0)) {
703                                                 mmc_is_mounted = TRUE;
704                                         }
705                                         g_free (uri);
706                                 }
707                                 
708                                 gnome_vfs_volume_unref(volume);
709                         }
710                         
711                         iter = g_list_next (iter);
712                 }
713                 g_list_free (list_volumes);
714                 
715                 if (mmc_is_mounted) {
716                         TnyAccount *tny_account =
717                                 modest_tny_account_new_for_local_folders (priv->account_mgr, 
718                                         priv->session, MODEST_MCC1_VOLUMEPATH);
719                         if (list)
720                                 tny_list_prepend (list, G_OBJECT(tny_account));
721                         accounts = g_slist_append (accounts, tny_account); /* cache it */
722                 }
723         }
724
725         /* And add the connection-specific transport accounts, if any.
726          * Note that these server account instances might never be used 
727          * if their connections are never active: */
728         /* Look at each modest account: */
729         if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
730                 GSList *iter_account_names = account_names;
731                 while (iter_account_names) {
732                         const gchar* account_name = (const gchar*)(iter_account_names->data);
733                         GSList *list_specifics = modest_account_mgr_get_list (priv->account_mgr,
734                                 account_name, 
735                                 MODEST_ACCOUNT_CONNECTION_SPECIFIC_SMTP_LIST,
736                                 MODEST_CONF_VALUE_STRING, FALSE);
737                                 
738                         /* Look at each connection-specific transport account for the 
739                          * modest account: */
740                         GSList *iter = list_specifics;
741                         while (iter) {
742                                 /* const gchar* this_connection_name = (const gchar*)(iter->data); */
743                                 iter = g_slist_next (iter);
744                                 if (iter) {
745                                         const gchar* transport_account_name = (const gchar*)(iter->data);
746                                         if (transport_account_name) {
747                                                 TnyAccount * tny_account = NULL;
748                                                 /* Add the account: */
749                                                 tny_account = modest_tny_account_new_from_server_account_name (
750                                                         priv->account_mgr, transport_account_name);
751                                                 if (tny_account) {
752                                                         g_object_set_data (G_OBJECT(tny_account), "account_store",
753                                                                            (gpointer)self);
754                                                         if (list)
755                                                                 tny_list_prepend (list, G_OBJECT(tny_account));
756                                                         
757                                                         accounts = g_slist_append (accounts, tny_account); /* cache it */               
758                                                 } else
759                                                         g_printerr ("modest: failed to create smtp-specific account for %s\n",
760                                                                     transport_account_name);
761                                         }
762                                 }
763                                 
764                                 iter = g_slist_next (iter);
765                         }
766                         
767                         iter_account_names = g_slist_next (iter_account_names);
768                 }               
769         }
770         
771         g_slist_free (account_names);
772         account_names = NULL;
773         
774         /* TODO: Delete the strings in the GSList */
775         
776         
777         /* We also create a per-account local outbox folder (a _store_ account) 
778          * for each _transport_ account. */
779         if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
780                 /* Now would be a good time to create the per-account local outbox folder 
781                  * _store_ accounts corresponding to each transport account: */
782                 if (!priv->store_accounts_outboxes) {
783                         create_per_account_local_outbox_folders (self);
784                 }
785         }
786         
787         /* But we only return the per-account local outbox folder when 
788          * _store_ accounts are requested. */
789         if (type == TNY_ACCOUNT_TYPE_STORE) {
790                 /* Create them if necessary, 
791                  * (which also requires creating the transport accounts, 
792                  * if necessary.) */
793                 if (!priv->store_accounts_outboxes) {
794                         create_per_account_local_outbox_folders (self);
795                 }
796         
797                 /* Also add the local folder pseudo-account: */
798                 TnyAccount *tny_account =
799                         modest_tny_account_new_for_local_folders (priv->account_mgr, 
800                                 priv->session, NULL);
801                                         
802                 /* Add them to the TnyList: */
803                 if (priv->store_accounts_outboxes) {
804                         GSList *iter = NULL;
805                         for (iter = priv->store_accounts_outboxes; iter; iter = g_slist_next (iter)) {
806                                 TnyAccount *outbox_account = (TnyAccount*)iter->data;
807                                 if (list && outbox_account)
808                                         tny_list_prepend (list,  G_OBJECT(outbox_account));
809                                         
810                                 g_object_ref (outbox_account);
811                                 accounts = g_slist_append (accounts, outbox_account);
812                         }
813                         
814                         /* Add a merged folder, merging all the per-account outbox folders: */
815                         modest_tny_local_folders_account_add_merged_outbox_folders (
816                                 MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (tny_account), priv->store_accounts_outboxes);
817         
818                         /* We have finished with this temporary list, so free it: */
819                         account_list_free (priv->store_accounts_outboxes);
820                         priv->store_accounts_outboxes = NULL;
821                 }
822                 
823                 if (list)
824                         tny_list_prepend (list, G_OBJECT(tny_account));
825                 accounts = g_slist_append (accounts, tny_account); /* cache it */       
826         }
827                 
828         if (type == TNY_ACCOUNT_TYPE_STORE) {
829                         /* Store the cache: */
830                         priv->store_accounts = accounts;
831         } else if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
832                         /* Store the cache: */
833                         priv->transport_accounts = accounts;
834         }
835 }       
836
837
838 static void
839 modest_tny_account_store_get_accounts  (TnyAccountStore *self, TnyList *list,
840                                         TnyGetAccountsRequestType request_type)
841 {
842         ModestTnyAccountStorePrivate *priv;
843         
844         g_return_if_fail (self);
845         g_return_if_fail (TNY_IS_LIST(list));
846         
847         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
848         
849         if (request_type == TNY_ACCOUNT_STORE_BOTH) {
850                 modest_tny_account_store_get_accounts (self, list,
851                                                        TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
852                 modest_tny_account_store_get_accounts (self, list,
853                                                        TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS);
854                 return;
855         }
856         
857         if (request_type == TNY_ACCOUNT_STORE_STORE_ACCOUNTS)  {
858                 if (!priv->store_accounts)
859                         get_server_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
860                 else
861                         get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
862                 
863         } else if (request_type == TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS) {
864                 if (!priv->transport_accounts)
865                         get_server_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
866                 else
867                         get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
868         } else
869                 g_return_if_reached (); /* incorrect req type */
870 }
871
872
873 static const gchar*
874 modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
875 {
876         ModestTnyAccountStorePrivate *priv;
877         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
878         
879         if (!priv->cache_dir)
880                 priv->cache_dir = g_build_filename (g_get_home_dir(), 
881                                                     MODEST_DIR, MODEST_CACHE_DIR, NULL);
882         return priv->cache_dir;
883 }
884
885
886 /*
887  * callers need to unref
888  */
889 static TnyDevice*
890 modest_tny_account_store_get_device (TnyAccountStore *self)
891 {
892         ModestTnyAccountStorePrivate *priv;
893
894         g_return_val_if_fail (self, NULL);
895         
896         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
897
898         if (priv->device)
899                 return g_object_ref (G_OBJECT(priv->device));
900         else
901                 return NULL;
902 }
903
904
905 static TnyAccount*
906 modest_tny_account_store_find_account_by_url (TnyAccountStore *self, const gchar* url_string)
907 {
908         TnyAccount *account = NULL;
909         ModestTnyAccountStorePrivate *priv;     
910         GSList *cursor;
911         
912         g_return_val_if_fail (self, NULL);
913         g_return_val_if_fail (url_string, NULL);
914         
915         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
916
917         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
918                 if (tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), url_string)) {
919                         account = TNY_ACCOUNT(cursor->data);
920                         break;
921                 }
922         }
923
924         if (!account) {
925                 for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
926                         if (tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), url_string)) {
927                                 account = TNY_ACCOUNT(cursor->data);
928                                 break;
929                         }
930                 }
931         }
932
933         if (account)
934                 g_object_ref (G_OBJECT(account));
935
936         return account;
937 }
938
939
940
941 static gboolean
942 modest_tny_account_store_alert (TnyAccountStore *self, TnyAlertType type,
943                                 gboolean question, const GError *error)
944 {
945         /* TODO: It would be nice to know what account caused this error. */
946         
947         g_return_val_if_fail (error, FALSE);
948
949         if ((error->domain != TNY_ACCOUNT_ERROR) 
950                 && (error->domain != TNY_ACCOUNT_STORE_ERROR)) {
951                 g_warning("%s: Unexpected error domain: != TNY_ACCOUNT_ERROR: %d, message=%s", 
952                         __FUNCTION__, error->domain, error->message); 
953                 return FALSE;
954         }
955         
956         /* printf("DEBUG: %s: error->message=%s\n", __FUNCTION__, error->message); */
957         
958
959         /* const gchar *prompt = NULL; */
960         gchar *prompt = NULL;
961         switch (error->code) {
962                 case TNY_ACCOUNT_ERROR_TRY_CONNECT:
963                 /* The tinymail camel implementation just sends us this for almost 
964                  * everything, so we have to guess at the cause.
965                  * It could be a wrong password, or inability to resolve a hostname, 
966                  * or lack of network, or incorrect authentication method, or something entirely different: */
967                 /* TODO: Fix camel to provide specific error codes, and then use the 
968                  * specific dialog messages from Chapter 12 of the UI spec.
969                  */
970                 case TNY_ACCOUNT_STORE_ERROR_UNKNOWN_ALERT: 
971                     g_debug ("%s: Handling GError domain=%d, code=%d, message=%s", 
972                                 __FUNCTION__, error->domain, error->code, error->message);
973                         
974                         /* TODO: Remove the internal error message for the real release.
975                          * This is just so the testers can give us more information: */
976                         /* prompt = _("Modest account not yet fully configured."); */
977                         prompt = g_strdup_printf(
978                                 "%s\n (Internal error message, often very misleading):\n%s", 
979                                 _("Incorrect Account Settings"), 
980                                 error->message);
981                                 
982                         /* TODO: If we can ever determine that the problem is a wrong password:
983                          * In this case, the UI spec wants us to show a banner, and then 
984                          * open the Account Settings dialog. */
985                         /* Note: Sometimes, the get_password() function seems to be called again 
986                          * when a password is wrong, but sometimes this alert_func is called. */
987                         #if 0
988                         GtkWidget *parent_widget = 
989                                 GTK_WIDGET (
990                                         modest_window_mgr_get_main_window (
991                                                 modest_runtime_get_window_mgr ()));
992                         
993                         hildon_banner_show_information (
994                                 parent_widget,
995                                 NULL /* icon name */,
996                                 _("mcen_ib_username_pw_incorrect") );
997                                 
998                         /* Show the Account Settings window: */
999                         ModestAccountSettingsDialog *dialog = modest_account_settings_dialog_new ();
1000                         /* TODO: Get the account somehow. Maybe tinymail should send it with the signal. */
1001                         const gchar* modest_account_name = 
1002                                 modest_tny_account_get_parent_modest_account_name_for_server_account (account);
1003                         g_assert (modest_account_name);
1004                         modest_account_settings_dialog_set_account_name (dialog, 
1005                                 modest_account_name);
1006                         
1007                         gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (self));
1008                         gtk_dialog_run (GTK_DIALOG (dialog));
1009                         gtk_widget_destroy (GTK_WIDGET (dialog));
1010                         #endif
1011                          
1012                         break;
1013                         
1014                 //TODO: We have started receiving errors of 
1015                 //domain=TNY_ACCOUNT_ERROR, code=TNY_ACCOUNT_ERROR_TRY_CONNECT, message="Canceled".
1016                 //If this is really a result of us cancelling our own operation then 
1017                 //a) this probably shouldn't be an error, and
1018                 //b) should have its own error code.
1019                 
1020                 default:
1021                         g_warning ("%s: Unhandled GError code: %d, message=%s", 
1022                                 __FUNCTION__, error->code, error->message);
1023                         prompt = NULL;
1024                 break;
1025         }
1026         
1027         if (!prompt)
1028                 return FALSE;
1029
1030 #ifdef MODEST_PLATFORM_MAEMO
1031         /* The Tinymail documentation says that we should show Yes and No buttons, 
1032          * when it is a question.
1033          * Obviously, we need tinymail to use more specific error codes instead,
1034          * so we know what buttons to show. */
1035          GtkWidget *dialog = NULL;
1036          if (question) {
1037                 dialog = GTK_WIDGET (hildon_note_new_confirmation (NULL, 
1038                         prompt));
1039          } else {
1040                 dialog = GTK_WIDGET (hildon_note_new_information (NULL, 
1041                         prompt));
1042          }
1043 #else
1044
1045         GtkMessageType gtktype = GTK_MESSAGE_ERROR;
1046         switch (type)
1047         {
1048                 case TNY_ALERT_TYPE_INFO:
1049                 gtktype = GTK_MESSAGE_INFO;
1050                 break;
1051                 case TNY_ALERT_TYPE_WARNING:
1052                 gtktype = GTK_MESSAGE_WARNING;
1053                 break;
1054                 case TNY_ALERT_TYPE_ERROR:
1055                 default:
1056                 gtktype = GTK_MESSAGE_ERROR;
1057                 break;
1058         }
1059         
1060         GtkWidget *dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
1061                 gtktype, GTK_BUTTONS_YES_NO, prompt);
1062 #endif /* #ifdef MODEST_PLATFORM_MAEMO */
1063
1064         gboolean retval = TRUE;
1065         const int response = gtk_dialog_run (GTK_DIALOG (dialog));
1066         if (question) {
1067                 retval = (response == GTK_RESPONSE_YES) ||
1068                                  (response == GTK_RESPONSE_OK); 
1069         }
1070
1071         gtk_widget_destroy (dialog);
1072         
1073         /* TODO: Don't free this when we no longer strdup the message for testers. */
1074         g_free (prompt);
1075
1076
1077         /* printf("DEBUG: %s: returning %d\n", __FUNCTION__, retval); */
1078         return retval;
1079 }
1080
1081
1082 static void
1083 modest_tny_account_store_init (gpointer g, gpointer iface_data)
1084 {
1085         TnyAccountStoreIface *klass;
1086
1087         g_return_if_fail (g);
1088
1089         klass = (TnyAccountStoreIface *)g;
1090
1091         klass->get_accounts_func =
1092                 modest_tny_account_store_get_accounts;
1093         klass->get_cache_dir_func =
1094                 modest_tny_account_store_get_cache_dir;
1095         klass->get_device_func =
1096                 modest_tny_account_store_get_device;
1097         klass->alert_func =
1098                 modest_tny_account_store_alert;
1099         klass->find_account_func =
1100                 modest_tny_account_store_find_account_by_url;
1101 }
1102
1103 void
1104 modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
1105                                             ModestTnyGetPassFunc func)
1106 {
1107         /* not implemented, we use signals */
1108         g_printerr ("modest: set_get_pass_func not implemented\n");
1109 }
1110
1111 TnySessionCamel*
1112 modest_tny_account_store_get_session  (TnyAccountStore *self)
1113 {
1114         g_return_val_if_fail (self, NULL);
1115         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->session;
1116 }
1117
1118
1119 TnyAccount*
1120 modest_tny_account_store_get_tny_account_by_id  (ModestTnyAccountStore *self, const gchar *id)
1121 {
1122         TnyAccount *account = NULL;
1123         ModestTnyAccountStorePrivate *priv;     
1124         GSList *cursor;
1125
1126         g_return_val_if_fail (self, NULL);
1127         g_return_val_if_fail (id, NULL);
1128         
1129         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1130
1131
1132         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
1133                 const gchar *acc_id = tny_account_get_id (TNY_ACCOUNT(cursor->data));
1134                 if (acc_id && strcmp (acc_id, id) == 0) {
1135                         account = TNY_ACCOUNT(cursor->data);
1136                         break;
1137                 }
1138         }
1139                 
1140         /* if we already found something, no need to search the transport accounts */
1141         for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
1142                 const gchar *acc_id = tny_account_get_id (TNY_ACCOUNT(cursor->data));
1143                 if (acc_id && strcmp (acc_id, id) == 0) {
1144                         account = TNY_ACCOUNT(cursor->data);
1145                         break;
1146                 }
1147         }
1148
1149         if (account)
1150                 g_object_ref (G_OBJECT(account));
1151         
1152         return account;
1153 }
1154
1155 TnyAccount*
1156 modest_tny_account_store_get_server_account (ModestTnyAccountStore *self,
1157                                                      const gchar *account_name,
1158                                                      TnyAccountType type)
1159 {
1160         TnyAccount *account = NULL;
1161         gchar *id = NULL;
1162         ModestTnyAccountStorePrivate *priv;     
1163
1164         g_return_val_if_fail (self, NULL);
1165         g_return_val_if_fail (account_name, NULL);
1166         g_return_val_if_fail (type == TNY_ACCOUNT_TYPE_STORE || type == TNY_ACCOUNT_TYPE_TRANSPORT,
1167                               NULL);
1168         
1169         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1170
1171         /* Special case for the local account */
1172         if (!strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID)) {
1173                 if(type == TNY_ACCOUNT_TYPE_STORE)
1174                         id = g_strdup (MODEST_LOCAL_FOLDERS_ACCOUNT_ID);
1175                 else {
1176                         /* The local folders modest account has no transport server account. */
1177                         return NULL;
1178                 }
1179         } else {
1180                 ModestAccountData *account_data;
1181                 account_data = modest_account_mgr_get_account_data (priv->account_mgr, account_name);
1182                 if (!account_data) {
1183                         g_printerr ("modest: %s: cannot get account data for account '%s'\n", __FUNCTION__,
1184                                     account_name);
1185                         return NULL;
1186                 }
1187
1188                 if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
1189                         id = g_strdup (account_data->store_account->account_name);
1190                 else if (account_data->transport_account)
1191                         id = g_strdup (account_data->transport_account->account_name);
1192
1193                 modest_account_mgr_free_account_data (priv->account_mgr, account_data);
1194         }
1195
1196         if (!id)
1197                 g_printerr ("modest: could not get an id for account %s\n",
1198                             account_name);
1199         else    
1200                 account = modest_tny_account_store_get_tny_account_by_id (self, id);
1201
1202         if (!account)
1203                 g_printerr ("modest: could not get tny %s account for %s (id=%s)\n",
1204                             type == TNY_ACCOUNT_TYPE_STORE ? "store" : "transport",
1205                             account_name, id ? id : "<none>");
1206
1207         return account; 
1208 }
1209
1210 static TnyAccount*
1211 get_smtp_specific_transport_account_for_open_connection (ModestTnyAccountStore *self,
1212                                                          const gchar *account_name)
1213 {
1214         /* Get the current connection: */
1215         TnyDevice *device = modest_runtime_get_device ();
1216         
1217         if (!tny_device_is_online (device))
1218                 return NULL;
1219
1220 #ifdef MODEST_PLATFORM_MAEMO
1221         g_assert (TNY_IS_MAEMO_CONIC_DEVICE (device));
1222         TnyMaemoConicDevice *maemo_device = TNY_MAEMO_CONIC_DEVICE (device);    
1223         const gchar* iap_id = tny_maemo_conic_device_get_current_iap_id (maemo_device);
1224         /* printf ("DEBUG: %s: iap_id=%s\n", __FUNCTION__, iap_id); */
1225         if (!iap_id)
1226                 return NULL;
1227                 
1228         ConIcIap* connection = tny_maemo_conic_device_get_iap (maemo_device, iap_id);
1229         if (!connection)
1230                 return NULL;
1231                 
1232         const gchar *connection_name = con_ic_iap_get_name (connection);
1233         /* printf ("DEBUG: %s: connection_name=%s\n", __FUNCTION__, connection_name); */
1234         if (!connection_name)
1235                 return NULL;
1236         
1237         /*  Get the connection-specific transport acccount, if any: */
1238         ModestAccountMgr *account_manager = modest_runtime_get_account_mgr ();
1239         gchar* server_account_name = modest_account_mgr_get_connection_specific_smtp (account_manager, 
1240                 account_name, connection_name);
1241
1242         /* printf ("DEBUG: %s: server_account_name=%s\n", __FUNCTION__, server_account_name); */
1243         if (!server_account_name) {
1244                 return NULL; /* No connection-specific SMTP server was specified for this connection. */
1245         }
1246                 
1247         TnyAccount* account = modest_tny_account_store_get_tny_account_by_id (self, server_account_name);
1248
1249         /* printf ("DEBUG: %s: account=%p\n", __FUNCTION__, account); */
1250         g_free (server_account_name);   
1251
1252         /* Unref the get()ed object, as required by the tny_maemo_conic_device_get_iap() documentation. */
1253         g_object_unref (connection);
1254         
1255         return account;
1256 #else
1257         return NULL; /* TODO: Implement this for GNOME, instead of just Maemo? */
1258 #endif /* MODEST_PLATFORM_MAEMO */
1259 }
1260
1261                                                                  
1262 TnyAccount*
1263 modest_tny_account_store_get_transport_account_for_open_connection (ModestTnyAccountStore *self,
1264                                                                     const gchar *account_name)
1265 {
1266         /*  Get the connection-specific transport acccount, if any: */
1267         TnyAccount *account = get_smtp_specific_transport_account_for_open_connection (self, account_name);
1268                         
1269         /* If there is no connection-specific transport account (the common case), 
1270          * just get the regular transport account: */
1271         if (!account) {
1272                 /* printf("DEBUG: %s: using regular transport account for account %s.\n", __FUNCTION__, account_name); */
1273
1274                 /* The special local folders don't have transport accounts. */
1275                 if (strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID) == 0)
1276                         account = NULL;
1277                 else
1278                         account = modest_tny_account_store_get_server_account (self, account_name, 
1279                                                      TNY_ACCOUNT_TYPE_TRANSPORT);
1280         }
1281                              
1282         return account;
1283 }
1284
1285 gboolean
1286 modest_tny_account_is_virtual_local_folders (TnyAccount *self)
1287 {
1288         /* We should make this more sophisticated if we ever use ModestTnyLocalFoldersAccount 
1289          * for anything else. */
1290         return MODEST_IS_TNY_LOCAL_FOLDERS_ACCOUNT (self);
1291 }
1292
1293 TnyAccount*
1294 modest_tny_account_store_get_local_folders_account (TnyAccountStore *self)
1295 {
1296         TnyAccount *account = NULL;
1297         ModestTnyAccountStorePrivate *priv;     
1298         GSList *cursor;
1299
1300         g_return_val_if_fail (self, NULL);
1301         
1302         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1303
1304         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
1305                 TnyAccount *this_account = TNY_ACCOUNT(cursor->data);
1306                 if (modest_tny_account_is_virtual_local_folders (this_account)) {
1307                                  account = this_account;
1308                                  break;
1309                 }
1310         }
1311
1312         if (account)
1313                 g_object_ref (G_OBJECT(account));
1314         
1315         return account;
1316 }