2007-06-22 Murray Cumming <murrayc@murrayc.com>
[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    get_server_accounts                    (TnyAccountStore *self, 
85                                                        TnyList *list, 
86                                                        TnyAccountType type);
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         /* Clear the account cache */
329         store_account = modest_tny_account_store_get_tny_account_by  (self, 
330                                                                       MODEST_TNY_ACCOUNT_STORE_QUERY_NAME, 
331                                                                       account);
332         if (store_account) {
333                 tny_store_account_delete_cache (TNY_STORE_ACCOUNT (store_account));
334                 
335                 g_signal_emit (G_OBJECT (self), 
336                                          tny_account_store_signals [TNY_ACCOUNT_STORE_ACCOUNT_REMOVED], 
337                                          0, store_account);
338
339                 g_object_unref (store_account);
340         } else
341                 g_printerr ("modest: cannot find server account for %s", account);
342         
343         /* FIXME: make this more finegrained; changes do not
344          * really affect _all_ accounts, and some do not
345          * affect tny accounts at all (such as 'last_update')
346          */
347         recreate_all_accounts (self);
348
349         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
350                        account);
351 }
352
353 static void
354 on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account,
355                     const GSList *keys, gboolean server_account, gpointer user_data)
356
357 {
358         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
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
367          */
368         recreate_all_accounts (self);
369
370         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
371                        account);
372 }
373
374
375 static ModestTnyAccountStore*
376 get_account_store_for_account (TnyAccount *account)
377 {
378         return MODEST_TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
379                                                            "account_store"));
380 }
381
382 /* This callback will be called by Tinymail when it needs the password
383  * from the user, for instance if the password was not remembered.
384  * It also calls forget_password() before calling this,
385  * so that we clear wrong passwords out of our account settings.
386  * Note that TnyAccount here will be the server account. */
387 static gchar*
388 get_password (TnyAccount *account, const gchar * prompt_not_used, gboolean *cancel)
389 {
390         /* Initialize the output parameter: */
391         if (cancel)
392           *cancel = FALSE;
393           
394         const gchar *key;
395         const TnyAccountStore *account_store;
396         ModestTnyAccountStore *self;
397         ModestTnyAccountStorePrivate *priv;
398         gchar *username = NULL;
399         gchar *pwd = NULL;
400         gpointer pwd_ptr;
401         gboolean already_asked;
402         
403         key           = tny_account_get_id (account);
404         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
405         
406         self = MODEST_TNY_ACCOUNT_STORE (account_store);
407         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
408         
409         /* This hash map stores passwords, including passwords that are not stored in gconf. */
410         /* is it in the hash? if it's already there, it must be wrong... */
411         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
412                                    * type-punned ptrs...*/
413         already_asked = g_hash_table_lookup_extended (priv->password_hash,
414                                                       key,
415                                                       NULL,
416                                                       (gpointer*)&pwd_ptr);
417
418         /* if the password is not already there, try ModestConf */
419         if (!already_asked) {
420                 pwd  = modest_account_mgr_get_string (priv->account_mgr,
421                                                       key, MODEST_ACCOUNT_PASSWORD, TRUE);
422                 g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup (pwd));
423         }
424
425         /* if it was already asked, it must have been wrong, so ask again */
426         /* TODO: However, when we supply a wrong password to tinymail, 
427          * it seems to (at least sometimes) call our alert_func() instead of 
428          * asking for the password again.
429          */
430         if (already_asked || !pwd || strlen(pwd) == 0) {
431                 /* we don't have it yet. Get the password from the user */
432                 const gchar* account_id = tny_account_get_id (account);
433                 gboolean remember = FALSE;
434                 pwd = NULL;
435                 
436                 g_signal_emit (G_OBJECT(self), signals[PASSWORD_REQUESTED_SIGNAL], 0,
437                                account_id, /* server_account_name */
438                                &username, &pwd, cancel, &remember);
439                 
440                 if (!*cancel) {
441                         /* The password will be returned as the result,
442                          * but we need to tell tinymail about the username too: */
443                         /* TODO: This causes a crash because it frees memory that 
444                          * tinymail is already using. tinymail needs to detect the change 
445                          * and stop using the old username: 
446                          * tny_account_set_user (account, username); */
447                         
448                         if (remember) {
449                                 printf ("%s: Storing username=%s, password=%s\n", 
450                                         __FUNCTION__, username, pwd);
451                                 modest_account_mgr_set_string (priv->account_mgr,key,
452                                                                MODEST_ACCOUNT_USERNAME,
453                                                                username, TRUE);
454                                 modest_account_mgr_set_string (priv->account_mgr,key,
455                                                                MODEST_ACCOUNT_PASSWORD,
456                                                                pwd, TRUE);
457                         }
458                         /* We need to dup the string even knowing that
459                            it's already a dup of the contents of an
460                            entry, because it if it's wrong, then camel
461                            will free it */
462                         g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup(pwd));
463                 } else {
464                         g_hash_table_remove (priv->password_hash, key);
465                         
466                         g_free (pwd);
467                         pwd = NULL;
468                 }
469
470                 g_free (username);
471                 username = NULL;
472         } else
473                 *cancel = FALSE;
474  
475     /* printf("  DEBUG: %s: returning %s\n", __FUNCTION__, pwd); */
476         
477         return pwd;
478 }
479
480 /* tinymail calls this if the connection failed due to an incorrect password.
481  * And it seems to call this for any general connection failure. */
482 static void
483 forget_password (TnyAccount *account)
484 {
485         printf ("DEBUG: %s\n", __FUNCTION__);
486         ModestTnyAccountStore *self;
487         ModestTnyAccountStorePrivate *priv;
488         const TnyAccountStore *account_store;
489         gchar *pwd;
490         const gchar *key;
491         
492         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
493         self = MODEST_TNY_ACCOUNT_STORE (account_store);
494         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
495         key  = tny_account_get_id (account);
496
497         /* Do not remove the key, this will allow us to detect that we
498            have already asked for it at least once */
499         pwd = g_hash_table_lookup (priv->password_hash, key);
500         if (pwd) {
501                 memset (pwd, 0, strlen (pwd));
502                 g_hash_table_insert (priv->password_hash, g_strdup (key), NULL);
503         }
504
505         /* Remove from configuration system */
506         modest_account_mgr_unset (priv->account_mgr,
507                                   key, MODEST_ACCOUNT_PASSWORD, TRUE);
508 }
509
510
511 static void
512 modest_tny_account_store_finalize (GObject *obj)
513 {
514         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
515         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
516         
517         //gboolean debug = modest_runtime_get_debug_flags() & MODEST_RUNTIME_DEBUG_DEBUG_OBJECTS;
518
519         g_free (priv->cache_dir);
520         priv->cache_dir = NULL;
521         
522         if (priv->password_hash) {
523                 g_hash_table_destroy (priv->password_hash);
524                 priv->password_hash = NULL;
525         }
526
527         if (priv->account_mgr) {
528                 g_object_unref (G_OBJECT(priv->account_mgr));
529                 priv->account_mgr = NULL;
530         }
531
532         if (priv->device) {
533                 g_object_unref (G_OBJECT(priv->device));
534                 priv->device = NULL;
535         }
536
537         /* this includes the local folder */
538         account_list_free (priv->store_accounts);
539         priv->store_accounts = NULL;
540         
541         account_list_free (priv->transport_accounts);
542         priv->transport_accounts = NULL;
543
544         if (priv->session) {
545                 camel_object_unref (CAMEL_OBJECT(priv->session));
546                 priv->session = NULL;
547         }
548         
549         G_OBJECT_CLASS(parent_class)->finalize (obj);
550 }
551
552
553 ModestTnyAccountStore*
554 modest_tny_account_store_new (ModestAccountMgr *account_mgr, TnyDevice *device) {
555
556         GObject *obj;
557         ModestTnyAccountStorePrivate *priv;
558         TnyList *list; 
559         
560         g_return_val_if_fail (account_mgr, NULL);
561         g_return_val_if_fail (device, NULL);
562
563         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
564         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
565
566         priv->account_mgr = g_object_ref (G_OBJECT(account_mgr));
567         priv->device = g_object_ref (device);
568         
569         priv->session = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
570         
571         tny_session_camel_set_ui_locker (priv->session,  tny_gtk_lockable_new ());
572         /* FIXME: unref this in the end? */
573         tny_session_camel_set_async_connecting (priv->session, TRUE);
574         
575         /* force a cache fill... ugly */
576         list = TNY_LIST(tny_simple_list_new());
577         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(obj), list,
578                                         TNY_ACCOUNT_STORE_BOTH);
579         g_object_unref(list);
580         
581         /* Connect signals */
582         g_signal_connect (G_OBJECT(account_mgr), "account_changed",
583                                        G_CALLBACK (on_account_changed), obj);
584         g_signal_connect (G_OBJECT(account_mgr), "account_removed",
585                                        G_CALLBACK (on_account_removed), obj);
586
587         return MODEST_TNY_ACCOUNT_STORE(obj);
588 }
589
590 /** Fill the TnyList from the appropriate cached GSList of accounts. */
591 static void
592 get_cached_accounts (TnyAccountStore *self, TnyList *list, TnyAccountType type)
593 {
594         ModestTnyAccountStorePrivate *priv;
595         GSList                       *accounts, *cursor;
596         
597         priv     = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
598         accounts = (type == TNY_ACCOUNT_TYPE_STORE ? priv->store_accounts : priv->transport_accounts);
599
600         cursor = accounts;
601         while (cursor) {
602                 if (cursor->data) {
603                         GObject *object = G_OBJECT(cursor->data);
604                         tny_list_prepend (list, object);
605                 }
606                         
607                 cursor = cursor->next;
608         }
609 }
610
611 static void
612 create_per_account_local_outbox_folders (TnyAccountStore *self)
613 {
614         g_return_if_fail (self);
615         
616         ModestTnyAccountStorePrivate *priv = 
617                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
618         
619         /* printf("DEBUG: %s: priv->store_accounts_outboxes = %p\n", __FUNCTION__, priv->store_accounts_outboxes); */
620         
621         GSList *accounts = NULL;
622         
623         GSList *account_names  = modest_account_mgr_account_names (priv->account_mgr, 
624                 TRUE /* including disabled accounts */);
625         
626         GSList *iter = NULL;
627         for (iter = account_names; iter; iter = g_slist_next (iter)) {
628                 
629                 const gchar* account_name = (const gchar*)iter->data;
630                 
631                 /* Create a per-account local outbox folder (a _store_ account) 
632                  * for each _transport_ account: */
633                 TnyAccount *tny_account_outbox =
634                         modest_tny_account_new_for_per_account_local_outbox_folder (
635                                 priv->account_mgr, account_name, priv->session);
636                                 
637                 accounts = g_slist_append (accounts, tny_account_outbox); /* cache it */
638         };
639
640         modest_account_mgr_free_account_names (account_names);
641         account_names = NULL;
642         
643         priv->store_accounts_outboxes = accounts;
644 }
645
646 /* This function fills the TnyList, and also stores a GSList of the accounts,
647  * for caching purposes. It creates the TnyAccount objects if necessary.
648  * The @list parameter may be NULL, if you just want to fill the cache.
649  */
650 static void
651 get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type)
652 {
653         g_return_if_fail (self);
654                 
655         ModestTnyAccountStorePrivate *priv = 
656                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
657                 
658         /* Do nothing if the accounts are already cached: */
659         if (type == TNY_ACCOUNT_TYPE_STORE) {
660                 if (priv->store_accounts)
661                         return;
662         } else if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
663                 if (priv->transport_accounts)
664                         return;
665         }
666         
667         GSList *account_names = NULL, *cursor = NULL;
668         GSList *accounts = NULL;
669
670         /* These are account names, not server_account names */
671         account_names = modest_account_mgr_account_names (priv->account_mgr,FALSE);
672                 
673         for (cursor = account_names; cursor; cursor = cursor->next) {
674                 
675                 gchar *account_name = (gchar*)cursor->data;
676                 
677                 /* we get the server_accounts for enabled accounts */
678                 if (modest_account_mgr_get_enabled(priv->account_mgr, account_name)) {
679                                 
680                         /* Add the account: */
681                         TnyAccount *tny_account = 
682                                 modest_tny_account_new_from_account (priv->account_mgr,
683                                                                      account_name,
684                                                                      type, priv->session,
685                                                                      get_password,
686                                                                      forget_password);
687                         if (tny_account) {
688                                 g_object_set_data (G_OBJECT(tny_account), "account_store",
689                                                    (gpointer)self);
690                                 if (list)
691                                         tny_list_prepend (list, G_OBJECT(tny_account));
692                                 
693                                 accounts = g_slist_append (accounts, tny_account); /* cache it */               
694                         } else
695                                 g_printerr ("modest: failed to create account for %s\n",
696                                             account_name);
697                         }
698         }
699         
700         if (type == TNY_ACCOUNT_TYPE_STORE) {           
701                 /* Also add the Memory card account if it is mounted: */
702                 gboolean mmc_is_mounted = FALSE;
703                 GnomeVFSVolumeMonitor* monitor = 
704                         gnome_vfs_get_volume_monitor();
705                 GList* list_volumes = gnome_vfs_volume_monitor_get_mounted_volumes (monitor);
706                 GList *iter = list_volumes;
707                 while (iter) {
708                         GnomeVFSVolume *volume = (GnomeVFSVolume*)iter->data;
709                         if (volume) {
710                                 if (!mmc_is_mounted) {
711                                         gchar *uri = gnome_vfs_volume_get_activation_uri (volume);
712                                         if (uri && (strcmp (uri, MODEST_MCC1_VOLUMEPATH_URI) == 0)) {
713                                                 mmc_is_mounted = TRUE;
714                                         }
715                                         g_free (uri);
716                                 }
717                                 
718                                 gnome_vfs_volume_unref(volume);
719                         }
720                         
721                         iter = g_list_next (iter);
722                 }
723                 g_list_free (list_volumes);
724                 
725                 if (mmc_is_mounted) {
726                         TnyAccount *tny_account =
727                                 modest_tny_account_new_for_local_folders (priv->account_mgr, 
728                                         priv->session, MODEST_MCC1_VOLUMEPATH);
729                         if (list)
730                                 tny_list_prepend (list, G_OBJECT(tny_account));
731                         accounts = g_slist_append (accounts, tny_account); /* cache it */
732                 }
733         }
734
735         /* And add the connection-specific transport accounts, if any.
736          * Note that these server account instances might never be used 
737          * if their connections are never active: */
738         /* Look at each modest account: */
739         if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
740                 GSList *iter_account_names = account_names;
741                 while (iter_account_names) {
742                         const gchar* account_name = (const gchar*)(iter_account_names->data);
743                         GSList *list_specifics = modest_account_mgr_get_list (priv->account_mgr,
744                                 account_name, 
745                                 MODEST_ACCOUNT_CONNECTION_SPECIFIC_SMTP_LIST,
746                                 MODEST_CONF_VALUE_STRING, FALSE);
747                                 
748                         /* Look at each connection-specific transport account for the 
749                          * modest account: */
750                         GSList *iter = list_specifics;
751                         while (iter) {
752                                 /* const gchar* this_connection_name = (const gchar*)(iter->data); */
753                                 iter = g_slist_next (iter);
754                                 if (iter) {
755                                         const gchar* transport_account_name = (const gchar*)(iter->data);
756                                         if (transport_account_name) {
757                                                 TnyAccount * tny_account = NULL;
758                                                 /* Add the account: */
759                                                 tny_account = modest_tny_account_new_from_server_account_name (
760                                                         priv->account_mgr, transport_account_name);
761                                                 if (tny_account) {
762                                                         g_object_set_data (G_OBJECT(tny_account), "account_store",
763                                                                            (gpointer)self);
764                                                         if (list)
765                                                                 tny_list_prepend (list, G_OBJECT(tny_account));
766                                                         
767                                                         accounts = g_slist_append (accounts, tny_account); /* cache it */               
768                                                 } else
769                                                         g_printerr ("modest: failed to create smtp-specific account for %s\n",
770                                                                     transport_account_name);
771                                         }
772                                 }
773                                 
774                                 iter = g_slist_next (iter);
775                         }
776                         
777                         iter_account_names = g_slist_next (iter_account_names);
778                 }               
779         }
780
781         /* free the account_names */
782         modest_account_mgr_free_account_names (account_names);
783         account_names = NULL;
784
785         /* We also create a per-account local outbox folder (a _store_ account) 
786          * for each _transport_ account. */
787         if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
788                 /* Now would be a good time to create the per-account local outbox folder 
789                  * _store_ accounts corresponding to each transport account: */
790                 if (!priv->store_accounts_outboxes) {
791                         create_per_account_local_outbox_folders (self);
792                 }
793         }
794         
795         /* But we only return the per-account local outbox folder when 
796          * _store_ accounts are requested. */
797         if (type == TNY_ACCOUNT_TYPE_STORE) {
798                 /* Create them if necessary, 
799                  * (which also requires creating the transport accounts, 
800                  * if necessary.) */
801                 if (!priv->store_accounts_outboxes) {
802                         create_per_account_local_outbox_folders (self);
803                 }
804         
805                 /* Also add the local folder pseudo-account: */
806                 TnyAccount *tny_account =
807                         modest_tny_account_new_for_local_folders (priv->account_mgr, 
808                                 priv->session, NULL);
809                                         
810                 /* Add them to the TnyList: */
811                 if (priv->store_accounts_outboxes) {
812                         GSList *iter = NULL;
813                         for (iter = priv->store_accounts_outboxes; iter; iter = g_slist_next (iter)) {
814                                 TnyAccount *outbox_account = (TnyAccount*)iter->data;
815                                 if (list && outbox_account)
816                                         tny_list_prepend (list,  G_OBJECT(outbox_account));
817                                         
818                                 g_object_ref (outbox_account);
819                                 accounts = g_slist_append (accounts, outbox_account);
820                         }
821                 }
822                 
823                 /* Add a merged folder, merging all the per-account outbox folders: */
824                 modest_tny_local_folders_account_add_merged_outbox_folders (
825                         MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (tny_account), priv->store_accounts_outboxes);
826                         
827                 if (priv->store_accounts_outboxes) {
828                         /* We have finished with this temporary list, so free it: */
829                         account_list_free (priv->store_accounts_outboxes);
830                         priv->store_accounts_outboxes = NULL;
831                 }
832                 
833                 if (list)
834                         tny_list_prepend (list, G_OBJECT(tny_account));
835                 accounts = g_slist_append (accounts, tny_account); /* cache it */       
836         }
837                 
838         if (type == TNY_ACCOUNT_TYPE_STORE) {
839                         /* Store the cache: */
840                         priv->store_accounts = accounts;
841         } else if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
842                         /* Store the cache: */
843                         priv->transport_accounts = accounts;
844         }
845 }       
846
847
848 static void
849 modest_tny_account_store_get_accounts  (TnyAccountStore *self, TnyList *list,
850                                         TnyGetAccountsRequestType request_type)
851 {
852         ModestTnyAccountStorePrivate *priv;
853         
854         g_return_if_fail (self);
855         g_return_if_fail (TNY_IS_LIST(list));
856         
857         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
858         
859         if (request_type == TNY_ACCOUNT_STORE_BOTH) {
860                 modest_tny_account_store_get_accounts (self, list,
861                                                        TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
862                 modest_tny_account_store_get_accounts (self, list,
863                                                        TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS);
864                 return;
865         }
866         
867         if (request_type == TNY_ACCOUNT_STORE_STORE_ACCOUNTS)  {
868                 if (!priv->store_accounts)
869                         get_server_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
870                 else
871                         get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
872                 
873         } else if (request_type == TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS) {
874                 if (!priv->transport_accounts)
875                         get_server_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
876                 else
877                         get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
878         } else
879                 g_return_if_reached (); /* incorrect req type */
880 }
881
882
883 static const gchar*
884 modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
885 {
886         ModestTnyAccountStorePrivate *priv;
887         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
888         
889         if (!priv->cache_dir)
890                 priv->cache_dir = g_build_filename (g_get_home_dir(), 
891                                                     MODEST_DIR, MODEST_CACHE_DIR, NULL);
892         return priv->cache_dir;
893 }
894
895
896 /*
897  * callers need to unref
898  */
899 static TnyDevice*
900 modest_tny_account_store_get_device (TnyAccountStore *self)
901 {
902         ModestTnyAccountStorePrivate *priv;
903
904         g_return_val_if_fail (self, NULL);
905         
906         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
907
908         if (priv->device)
909                 return g_object_ref (G_OBJECT(priv->device));
910         else
911                 return NULL;
912 }
913
914
915 static TnyAccount*
916 modest_tny_account_store_find_account_by_url (TnyAccountStore *self, const gchar* url_string)
917 {
918         return modest_tny_account_store_get_tny_account_by (MODEST_TNY_ACCOUNT_STORE (self), 
919                                                             MODEST_TNY_ACCOUNT_STORE_QUERY_URL,
920                                                             url_string);
921 }
922
923
924
925 static gboolean
926 modest_tny_account_store_alert (TnyAccountStore *self, TnyAlertType type,
927                                 gboolean question, const GError *error)
928 {
929         /* TODO: It would be nice to know what account caused this error. */
930         
931         g_return_val_if_fail (error, FALSE);
932
933         if ((error->domain != TNY_ACCOUNT_ERROR) 
934                 && (error->domain != TNY_ACCOUNT_STORE_ERROR)) {
935                 g_warning("%s: Unexpected error domain: != TNY_ACCOUNT_ERROR: %d, message=%s", 
936                         __FUNCTION__, error->domain, error->message); 
937                 return FALSE;
938         }
939         
940         /* printf("DEBUG: %s: error->message=%s\n", __FUNCTION__, error->message); */
941         
942
943         /* const gchar *prompt = NULL; */
944         gchar *prompt = NULL;
945         switch (error->code) {
946                 case TNY_ACCOUNT_ERROR_TRY_CONNECT:
947                 /* The tinymail camel implementation just sends us this for almost 
948                  * everything, so we have to guess at the cause.
949                  * It could be a wrong password, or inability to resolve a hostname, 
950                  * or lack of network, or incorrect authentication method, or something entirely different: */
951                 /* TODO: Fix camel to provide specific error codes, and then use the 
952                  * specific dialog messages from Chapter 12 of the UI spec.
953                  */
954                 case TNY_ACCOUNT_STORE_ERROR_UNKNOWN_ALERT: 
955 /*                  g_debug ("%s: Handling GError domain=%d, code=%d, message=%s",  */
956 /*                              __FUNCTION__, error->domain, error->code, error->message); */
957                         
958                         /* TODO: Remove the internal error message for the real release.
959                          * This is just so the testers can give us more information: */
960                         /* prompt = _("Modest account not yet fully configured."); */
961                         prompt = g_strdup_printf(
962                                 "%s\n (Internal error message, often very misleading):\n%s", 
963                                 _("Incorrect Account Settings"), 
964                                 error->message);
965                                 
966                         /* TODO: If we can ever determine that the problem is a wrong password:
967                          * In this case, the UI spec wants us to show a banner, and then 
968                          * open the Account Settings dialog. */
969                         /* Note: Sometimes, the get_password() function seems to be called again 
970                          * when a password is wrong, but sometimes this alert_func is called. */
971                         #if 0
972                         GtkWidget *parent_widget = 
973                                 GTK_WIDGET (
974                                         modest_window_mgr_get_main_window (
975                                                 modest_runtime_get_window_mgr ()));
976                         
977                         hildon_banner_show_information (
978                                 parent_widget,
979                                 NULL /* icon name */,
980                                 _("mcen_ib_username_pw_incorrect") );
981                                 
982                         /* Show the Account Settings window: */
983                         ModestAccountSettingsDialog *dialog = modest_account_settings_dialog_new ();
984                         /* TODO: Get the account somehow. Maybe tinymail should send it with the signal. */
985                         const gchar* modest_account_name = 
986                                 modest_tny_account_get_parent_modest_account_name_for_server_account (account);
987                         g_assert (modest_account_name);
988                         modest_account_settings_dialog_set_account_name (dialog, 
989                                 modest_account_name);
990                         
991                         gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (self));
992                         gtk_dialog_run (GTK_DIALOG (dialog));
993                         gtk_widget_destroy (GTK_WIDGET (dialog));
994                         #endif
995                          
996                         break;
997                         
998                 //TODO: We have started receiving errors of 
999                 //domain=TNY_ACCOUNT_ERROR, code=TNY_ACCOUNT_ERROR_TRY_CONNECT, message="Canceled".
1000                 //If this is really a result of us cancelling our own operation then 
1001                 //a) this probably shouldn't be an error, and
1002                 //b) should have its own error code.
1003                 
1004                 default:
1005                         g_warning ("%s: Unhandled GError code: %d, message=%s", 
1006                                 __FUNCTION__, error->code, error->message);
1007                         prompt = NULL;
1008                 break;
1009         }
1010         
1011         if (!prompt)
1012                 return FALSE;
1013
1014 #ifdef MODEST_PLATFORM_MAEMO
1015         /* The Tinymail documentation says that we should show Yes and No buttons, 
1016          * when it is a question.
1017          * Obviously, we need tinymail to use more specific error codes instead,
1018          * so we know what buttons to show. */
1019          GtkWidget *dialog = NULL;
1020          if (question) {
1021                 dialog = GTK_WIDGET (hildon_note_new_confirmation (NULL, 
1022                         prompt));
1023          } else {
1024                 dialog = GTK_WIDGET (hildon_note_new_information (NULL, 
1025                         prompt));
1026          }
1027 #else
1028
1029         GtkMessageType gtktype = GTK_MESSAGE_ERROR;
1030         switch (type)
1031         {
1032                 case TNY_ALERT_TYPE_INFO:
1033                 gtktype = GTK_MESSAGE_INFO;
1034                 break;
1035                 case TNY_ALERT_TYPE_WARNING:
1036                 gtktype = GTK_MESSAGE_WARNING;
1037                 break;
1038                 case TNY_ALERT_TYPE_ERROR:
1039                 default:
1040                 gtktype = GTK_MESSAGE_ERROR;
1041                 break;
1042         }
1043         
1044         GtkWidget *dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
1045                 gtktype, GTK_BUTTONS_YES_NO, prompt);
1046 #endif /* #ifdef MODEST_PLATFORM_MAEMO */
1047
1048         gboolean retval = TRUE;
1049         const int response = gtk_dialog_run (GTK_DIALOG (dialog));
1050         if (question) {
1051                 retval = (response == GTK_RESPONSE_YES) ||
1052                                  (response == GTK_RESPONSE_OK); 
1053         }
1054
1055         gtk_widget_destroy (dialog);
1056         
1057         /* TODO: Don't free this when we no longer strdup the message for testers. */
1058         g_free (prompt);
1059
1060
1061         /* printf("DEBUG: %s: returning %d\n", __FUNCTION__, retval); */
1062         return retval;
1063 }
1064
1065
1066 static void
1067 modest_tny_account_store_init (gpointer g, gpointer iface_data)
1068 {
1069         TnyAccountStoreIface *klass;
1070
1071         g_return_if_fail (g);
1072
1073         klass = (TnyAccountStoreIface *)g;
1074
1075         klass->get_accounts_func =
1076                 modest_tny_account_store_get_accounts;
1077         klass->get_cache_dir_func =
1078                 modest_tny_account_store_get_cache_dir;
1079         klass->get_device_func =
1080                 modest_tny_account_store_get_device;
1081         klass->alert_func =
1082                 modest_tny_account_store_alert;
1083         klass->find_account_func =
1084                 modest_tny_account_store_find_account_by_url;
1085 }
1086
1087 void
1088 modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
1089                                             ModestTnyGetPassFunc func)
1090 {
1091         /* not implemented, we use signals */
1092         g_printerr ("modest: set_get_pass_func not implemented\n");
1093 }
1094
1095 TnySessionCamel*
1096 modest_tny_account_store_get_session  (TnyAccountStore *self)
1097 {
1098         g_return_val_if_fail (self, NULL);
1099         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->session;
1100 }
1101
1102
1103 TnyAccount*
1104 modest_tny_account_store_get_tny_account_by (ModestTnyAccountStore *self, 
1105                                              ModestTnyAccountStoreQueryType type,
1106                                              const gchar *str)
1107 {
1108         TnyAccount *account = NULL;
1109         ModestTnyAccountStorePrivate *priv;     
1110         GSList *cursor;
1111         const gchar *val = NULL;
1112
1113         g_return_val_if_fail (self, NULL);
1114         g_return_val_if_fail (str, NULL);
1115         
1116         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1117
1118         /* Search in store accounts */
1119         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
1120                 switch (type) {
1121                 case MODEST_TNY_ACCOUNT_STORE_QUERY_ID:
1122                         val = tny_account_get_id (TNY_ACCOUNT(cursor->data));
1123                         break;
1124                 case MODEST_TNY_ACCOUNT_STORE_QUERY_NAME:
1125                         val = modest_tny_account_get_parent_modest_account_name_for_server_account (TNY_ACCOUNT(cursor->data));
1126                         break;
1127                 case MODEST_TNY_ACCOUNT_STORE_QUERY_URL:
1128                         val = tny_account_get_url_string (TNY_ACCOUNT(cursor->data));
1129                         break;
1130                 }
1131                 
1132                 if (type == MODEST_TNY_ACCOUNT_STORE_QUERY_URL && 
1133                     tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), val)) {
1134                         account = TNY_ACCOUNT (cursor->data);
1135                         goto end;
1136                 } else {
1137                         if (strcmp (val, str) == 0) {
1138                                 account = TNY_ACCOUNT(cursor->data);
1139                                 goto end;
1140                         }
1141                 }
1142         }
1143                 
1144         /* if we already found something, no need to search the transport accounts */
1145         for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
1146                 switch (type) {
1147                 case MODEST_TNY_ACCOUNT_STORE_QUERY_ID:
1148                         val = tny_account_get_id (TNY_ACCOUNT(cursor->data));
1149                         break;
1150                 case MODEST_TNY_ACCOUNT_STORE_QUERY_NAME:
1151                         val = tny_account_get_name (TNY_ACCOUNT(cursor->data));
1152                         break;
1153                 case MODEST_TNY_ACCOUNT_STORE_QUERY_URL:
1154                         val = tny_account_get_url_string (TNY_ACCOUNT(cursor->data));
1155                         break;
1156                 }
1157                 
1158                 if (type == MODEST_TNY_ACCOUNT_STORE_QUERY_URL && 
1159                     tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), val)) {
1160                         account = TNY_ACCOUNT (cursor->data);
1161                         goto end;
1162                 } else {
1163                         if (strcmp (val, str) == 0) {
1164                                 account = TNY_ACCOUNT(cursor->data);
1165                                 goto end;
1166                         }
1167                 }
1168         }
1169  end:
1170         if (account)
1171                 g_object_ref (G_OBJECT(account));
1172         
1173         return account;
1174 }
1175
1176 TnyAccount*
1177 modest_tny_account_store_get_server_account (ModestTnyAccountStore *self,
1178                                                      const gchar *account_name,
1179                                                      TnyAccountType type)
1180 {
1181         TnyAccount *account = NULL;
1182         gchar *id = NULL;
1183         ModestTnyAccountStorePrivate *priv;     
1184
1185         g_return_val_if_fail (self, NULL);
1186         g_return_val_if_fail (account_name, NULL);
1187         g_return_val_if_fail (type == TNY_ACCOUNT_TYPE_STORE || type == TNY_ACCOUNT_TYPE_TRANSPORT,
1188                               NULL);
1189         
1190         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1191
1192         /* Special case for the local account */
1193         if (!strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID)) {
1194                 if(type == TNY_ACCOUNT_TYPE_STORE)
1195                         id = g_strdup (MODEST_LOCAL_FOLDERS_ACCOUNT_ID);
1196                 else {
1197                         /* The local folders modest account has no transport server account. */
1198                         return NULL;
1199                 }
1200         } else {
1201                 ModestAccountData *account_data;
1202                 account_data = modest_account_mgr_get_account_data (priv->account_mgr, account_name);
1203                 if (!account_data) {
1204                         g_printerr ("modest: %s: cannot get account data for account '%s'\n", __FUNCTION__,
1205                                     account_name);
1206                         return NULL;
1207                 }
1208
1209                 if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
1210                         id = g_strdup (account_data->store_account->account_name);
1211                 else if (account_data->transport_account)
1212                         id = g_strdup (account_data->transport_account->account_name);
1213
1214                 modest_account_mgr_free_account_data (priv->account_mgr, account_data);
1215         }
1216
1217         if (!id)
1218                 g_printerr ("modest: could not get an id for account %s\n",
1219                             account_name);
1220         else    
1221                 account = modest_tny_account_store_get_tny_account_by (self, MODEST_TNY_ACCOUNT_STORE_QUERY_ID, id);
1222
1223         if (!account)
1224                 g_printerr ("modest: could not get tny %s account for %s (id=%s)\n",
1225                             type == TNY_ACCOUNT_TYPE_STORE ? "store" : "transport",
1226                             account_name, id ? id : "<none>");
1227
1228         return account; 
1229 }
1230
1231 static TnyAccount*
1232 get_smtp_specific_transport_account_for_open_connection (ModestTnyAccountStore *self,
1233                                                          const gchar *account_name)
1234 {
1235         /* Get the current connection: */
1236         TnyDevice *device = modest_runtime_get_device ();
1237         
1238         if (!tny_device_is_online (device))
1239                 return NULL;
1240
1241 #ifdef MODEST_PLATFORM_MAEMO
1242         g_assert (TNY_IS_MAEMO_CONIC_DEVICE (device));
1243         TnyMaemoConicDevice *maemo_device = TNY_MAEMO_CONIC_DEVICE (device);    
1244         const gchar* iap_id = tny_maemo_conic_device_get_current_iap_id (maemo_device);
1245         /* printf ("DEBUG: %s: iap_id=%s\n", __FUNCTION__, iap_id); */
1246         if (!iap_id)
1247                 return NULL;
1248                 
1249         ConIcIap* connection = tny_maemo_conic_device_get_iap (maemo_device, iap_id);
1250         if (!connection)
1251                 return NULL;
1252                 
1253         const gchar *connection_name = con_ic_iap_get_name (connection);
1254         /* printf ("DEBUG: %s: connection_name=%s\n", __FUNCTION__, connection_name); */
1255         if (!connection_name)
1256                 return NULL;
1257         
1258         /*  Get the connection-specific transport acccount, if any: */
1259         ModestAccountMgr *account_manager = modest_runtime_get_account_mgr ();
1260         gchar* server_account_name = modest_account_mgr_get_connection_specific_smtp (account_manager, 
1261                 account_name, connection_name);
1262
1263         /* printf ("DEBUG: %s: server_account_name=%s\n", __FUNCTION__, server_account_name); */
1264         if (!server_account_name) {
1265                 return NULL; /* No connection-specific SMTP server was specified for this connection. */
1266         }
1267                 
1268         TnyAccount* account = modest_tny_account_store_get_tny_account_by (self, 
1269                                                                            MODEST_TNY_ACCOUNT_STORE_QUERY_ID, 
1270                                                                            server_account_name);
1271
1272         /* printf ("DEBUG: %s: account=%p\n", __FUNCTION__, account); */
1273         g_free (server_account_name);   
1274
1275         /* Unref the get()ed object, as required by the tny_maemo_conic_device_get_iap() documentation. */
1276         g_object_unref (connection);
1277         
1278         return account;
1279 #else
1280         return NULL; /* TODO: Implement this for GNOME, instead of just Maemo? */
1281 #endif /* MODEST_PLATFORM_MAEMO */
1282 }
1283
1284                                                                  
1285 TnyAccount*
1286 modest_tny_account_store_get_transport_account_for_open_connection (ModestTnyAccountStore *self,
1287                                                                     const gchar *account_name)
1288 {
1289         /*  Get the connection-specific transport acccount, if any: */
1290         TnyAccount *account = get_smtp_specific_transport_account_for_open_connection (self, account_name);
1291                         
1292         /* If there is no connection-specific transport account (the common case), 
1293          * just get the regular transport account: */
1294         if (!account) {
1295                 /* printf("DEBUG: %s: using regular transport account for account %s.\n", __FUNCTION__, account_name); */
1296
1297                 /* The special local folders don't have transport accounts. */
1298                 if (strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID) == 0)
1299                         account = NULL;
1300                 else
1301                         account = modest_tny_account_store_get_server_account (self, account_name, 
1302                                                      TNY_ACCOUNT_TYPE_TRANSPORT);
1303         }
1304                              
1305         return account;
1306 }
1307
1308 gboolean
1309 modest_tny_account_is_virtual_local_folders (TnyAccount *self)
1310 {
1311         /* We should make this more sophisticated if we ever use ModestTnyLocalFoldersAccount 
1312          * for anything else. */
1313         return MODEST_IS_TNY_LOCAL_FOLDERS_ACCOUNT (self);
1314 }
1315
1316 TnyAccount*
1317 modest_tny_account_store_get_local_folders_account (TnyAccountStore *self)
1318 {
1319         TnyAccount *account = NULL;
1320         ModestTnyAccountStorePrivate *priv;     
1321         GSList *cursor;
1322
1323         g_return_val_if_fail (self, NULL);
1324         
1325         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1326
1327         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
1328                 TnyAccount *this_account = TNY_ACCOUNT(cursor->data);
1329                 if (modest_tny_account_is_virtual_local_folders (this_account)) {
1330                                  account = this_account;
1331                                  break;
1332                 }
1333         }
1334
1335         if (account)
1336                 g_object_ref (G_OBJECT(account));
1337         
1338         return account;
1339 }