Do NOT unref the send queues after creating them
[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-error.h>
34 #include <tny-account.h>
35 #include <tny-account-store.h>
36 #include <tny-store-account.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 #include "modest-text-utils.h"
44 #include <modest-runtime.h>
45 #include <modest-marshal.h>
46 #include <modest-protocol-registry.h>
47 #include <modest-local-folder-info.h>
48 #include "modest-account-protocol.h"
49 #include <modest-tny-account.h>
50 #include <modest-tny-local-folders-account.h>
51 #include <modest-account-mgr.h>
52 #include <modest-account-mgr-helpers.h>
53 #include <widgets/modest-window-mgr.h>
54 #include <modest-signal-mgr.h>
55 #include <modest-debug.h>
56
57 #include <modest-defs.h>
58 #include "modest-tny-account-store.h"
59 #include "modest-tny-platform-factory.h"
60 #include <tny-gtk-lockable.h>
61 #include <camel/camel.h>
62 #include <modest-platform.h>
63 #include "modest-ui-actions.h"
64 #include <widgets/modest-account-settings-dialog.h>
65
66 #ifdef MODEST_PLATFORM_MAEMO
67 #include <tny-maemo-conic-device.h>
68 #include <maemo/modest-maemo-utils.h>
69 #endif
70
71 #include <libgnomevfs/gnome-vfs-volume-monitor.h>
72
73 /* 'private'/'protected' functions */
74 static void    modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
75 static void    modest_tny_account_store_finalize     (GObject *obj);
76 static void    modest_tny_account_store_instance_init (ModestTnyAccountStore *obj);
77 static void    modest_tny_account_store_init          (gpointer g, gpointer iface_data);
78 static void    modest_tny_account_store_base_init     (gpointer g_class);
79
80 static void    on_account_inserted         (ModestAccountMgr *acc_mgr,
81                                             const gchar *account,
82                                             gpointer user_data);
83
84 static void   add_existing_accounts       (ModestTnyAccountStore *self);
85
86 static void    insert_account              (ModestTnyAccountStore *self,
87                                             const gchar *account,
88                                             gboolean notify);
89
90 static void    on_account_removed          (ModestAccountMgr *acc_mgr, 
91                                             const gchar *account,
92                                             gpointer user_data);
93
94 static gchar*  get_password                (TnyAccount *account, 
95                                             const gchar * prompt_not_used, 
96                                             gboolean *cancel);
97
98 static void    forget_password             (TnyAccount *account);
99
100 static void    on_vfs_volume_mounted       (GnomeVFSVolumeMonitor *volume_monitor, 
101                                             GnomeVFSVolume *volume, 
102                                             gpointer user_data);
103
104 static void    on_vfs_volume_unmounted     (GnomeVFSVolumeMonitor *volume_monitor, 
105                                             GnomeVFSVolume *volume, 
106                                             gpointer user_data);
107
108 static void    forget_password_in_memory (ModestTnyAccountStore *self, 
109                                           const gchar *server_account_name);
110
111 static void    add_connection_specific_transport_accounts         (ModestTnyAccountStore *self);
112
113 static void    remove_connection_specific_transport_accounts      (ModestTnyAccountStore *self);
114
115 static inline gboolean only_local_accounts        (ModestTnyAccountStore *self);
116
117 /* list my signals */
118 enum {
119         ACCOUNT_CHANGED_SIGNAL,
120         ACCOUNT_INSERTED_SIGNAL,
121         ACCOUNT_REMOVED_SIGNAL,
122
123         PASSWORD_REQUESTED_SIGNAL,
124         LAST_SIGNAL
125 };
126
127 typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
128 struct _ModestTnyAccountStorePrivate {
129         gchar              *cache_dir;  
130         GHashTable         *password_hash;
131         ModestAccountMgr   *account_mgr;
132         TnySessionCamel    *session;
133         TnyDevice          *device;
134
135         GSList *sighandlers;
136         
137         /* We cache the lists of accounts here */
138         TnyList             *store_accounts;
139         TnyList             *transport_accounts;
140         TnyList             *store_accounts_outboxes;
141         
142         /* Matches transport accounts and outbox folder */
143         GHashTable          *outbox_of_transport;
144
145         /* is sending mail blocked? */
146         gboolean send_mail_blocked;
147 };
148
149 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
150                                                       MODEST_TYPE_TNY_ACCOUNT_STORE, \
151                                                       ModestTnyAccountStorePrivate))
152
153 /* globals */
154 static GObjectClass *parent_class = NULL;
155
156 static guint signals[LAST_SIGNAL] = {0};
157
158 GType
159 modest_tny_account_store_get_type (void)
160 {
161         static GType my_type = 0;
162
163         if (!my_type) {
164                 static const GTypeInfo my_info = {
165                         sizeof(ModestTnyAccountStoreClass),
166                         modest_tny_account_store_base_init,     /* base init */
167                         NULL,           /* base finalize */
168                         (GClassInitFunc) modest_tny_account_store_class_init,
169                         NULL,           /* class finalize */
170                         NULL,           /* class data */
171                         sizeof(ModestTnyAccountStore),
172                         0,              /* n_preallocs */
173                         (GInstanceInitFunc) modest_tny_account_store_instance_init,
174                         NULL
175                 };
176
177                 static const GInterfaceInfo iface_info = {
178                         (GInterfaceInitFunc) modest_tny_account_store_init,
179                         NULL,         /* interface_finalize */
180                         NULL          /* interface_data */
181                 };
182                 /* hack hack */
183                 my_type = g_type_register_static (G_TYPE_OBJECT,
184                                                   "ModestTnyAccountStore",
185                                                   &my_info, 0);
186                 g_type_add_interface_static (my_type, TNY_TYPE_ACCOUNT_STORE,
187                                              &iface_info);
188         }
189         return my_type;
190 }
191
192
193 static void
194 modest_tny_account_store_base_init (gpointer g_class)
195 {
196         static gboolean tny_account_store_initialized = FALSE;
197
198         if (!tny_account_store_initialized) {
199
200                 signals[ACCOUNT_CHANGED_SIGNAL] =
201                         g_signal_new ("account_changed",
202                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
203                                       G_SIGNAL_RUN_FIRST,
204                                       G_STRUCT_OFFSET (ModestTnyAccountStoreClass, account_changed),
205                                       NULL, NULL,
206                                       g_cclosure_marshal_VOID__OBJECT,
207                                       G_TYPE_NONE, 1, TNY_TYPE_ACCOUNT);
208
209                 signals[ACCOUNT_INSERTED_SIGNAL] =
210                         g_signal_new ("account_inserted",
211                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
212                                       G_SIGNAL_RUN_FIRST,
213                                       G_STRUCT_OFFSET (ModestTnyAccountStoreClass, account_inserted),
214                                       NULL, NULL,
215                                       g_cclosure_marshal_VOID__OBJECT,
216                                       G_TYPE_NONE, 1, TNY_TYPE_ACCOUNT);
217                 
218                 signals[ACCOUNT_REMOVED_SIGNAL] =
219                         g_signal_new ("account_removed",
220                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
221                                       G_SIGNAL_RUN_FIRST,
222                                       G_STRUCT_OFFSET (ModestTnyAccountStoreClass, account_removed),
223                                       NULL, NULL,
224                                       g_cclosure_marshal_VOID__OBJECT,
225                                       G_TYPE_NONE, 1, TNY_TYPE_ACCOUNT);
226
227                 signals[PASSWORD_REQUESTED_SIGNAL] =
228                         g_signal_new ("password_requested",
229                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
230                                       G_SIGNAL_RUN_FIRST,
231                                       G_STRUCT_OFFSET(ModestTnyAccountStoreClass, password_requested),
232                                       NULL, NULL,
233                                       modest_marshal_VOID__STRING_POINTER_POINTER_POINTER_POINTER,
234                                       G_TYPE_NONE, 5, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER,
235                                       G_TYPE_POINTER);          
236
237                 tny_account_store_initialized = TRUE;
238         }
239 }
240
241
242 static void
243 modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
244 {
245         GObjectClass *gobject_class;
246         gobject_class = (GObjectClass*) klass;
247
248         parent_class            = g_type_class_peek_parent (klass);
249         gobject_class->finalize = modest_tny_account_store_finalize;
250
251         g_type_class_add_private (gobject_class,
252                                   sizeof(ModestTnyAccountStorePrivate));
253 }
254      
255 static void
256 modest_tny_account_store_instance_init (ModestTnyAccountStore *obj)
257 {
258         ModestTnyAccountStorePrivate *priv;
259
260         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
261
262         priv->cache_dir              = NULL;
263         priv->account_mgr            = NULL;
264         priv->session                = NULL;
265         priv->device                 = NULL;
266         priv->sighandlers            = NULL;
267         priv->send_mail_blocked      = FALSE;
268         
269         priv->outbox_of_transport = g_hash_table_new_full (g_direct_hash,
270                                                            g_direct_equal,
271                                                            NULL,
272                                                            NULL);
273
274         /* An in-memory store of passwords, 
275          * for passwords that are not remembered in the configuration,
276          * so they need to be asked for from the user once in each session:
277          */
278         priv->password_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
279                                                      g_free, g_free);
280 }
281
282 /* disconnect the list of TnyAccounts */
283 static void
284 account_verify_last_ref (TnyAccount *account, const gchar *str)
285 {
286         gchar *txt;
287
288         g_return_if_fail (account && TNY_IS_ACCOUNT(account));
289
290         txt = g_strdup_printf ("%s: %s", str ? str : "?", tny_account_get_name(account));
291         MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(G_OBJECT(account),txt);
292         g_free (txt);
293 }
294
295 static void
296 foreach_account_append_to_list (gpointer data, 
297                                 gpointer user_data)
298 {
299         TnyList *list;
300         
301         list = TNY_LIST (user_data);
302         tny_list_append (list, G_OBJECT (data));
303 }
304
305 /********************************************************************/
306 /*           Control the state of the MMC local account             */
307 /********************************************************************/
308
309 /** Only call this if the memory card is really mounted.
310  */ 
311 static void
312 add_mmc_account(ModestTnyAccountStore *self, gboolean emit_insert_signal)
313 {
314         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
315         g_return_if_fail (priv->session);
316         
317         TnyAccount *mmc_account = modest_tny_account_new_for_local_folders (priv->account_mgr, 
318                                                                             priv->session, 
319                                                                             g_getenv (MODEST_MMC1_VOLUMEPATH_ENV));
320
321         /* Add to the list of store accounts */
322         tny_list_append (priv->store_accounts, G_OBJECT (mmc_account));
323
324         if (emit_insert_signal) {
325                 g_signal_emit (G_OBJECT (self), 
326                                signals [ACCOUNT_INSERTED_SIGNAL],
327                                0, mmc_account);
328         }
329
330         /* Free */
331         g_object_unref (mmc_account);
332 }
333
334 static void
335 on_vfs_volume_mounted(GnomeVFSVolumeMonitor *volume_monitor, 
336                       GnomeVFSVolume *volume, 
337                       gpointer user_data)
338 {
339         ModestTnyAccountStore *self;
340         ModestTnyAccountStorePrivate *priv;
341         gchar *volume_path_uri;
342  
343         gchar *uri = NULL;
344
345         self = MODEST_TNY_ACCOUNT_STORE(user_data);
346         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
347         
348         /* Check whether this was the external MMC1 card: */
349         uri = gnome_vfs_volume_get_activation_uri (volume);
350
351         volume_path_uri = g_strconcat (MODEST_MMC1_VOLUMEPATH_URI_PREFIX,
352                                        g_getenv (MODEST_MMC1_VOLUMEPATH_ENV),
353                                        NULL);
354         if (uri && (!strcmp (uri, volume_path_uri))) {
355                 add_mmc_account (self, TRUE /* emit the insert signal. */);
356         }
357
358         g_free (volume_path_uri);       
359         g_free (uri);
360 }
361
362 static void
363 on_vfs_volume_unmounted(GnomeVFSVolumeMonitor *volume_monitor, 
364                         GnomeVFSVolume *volume, 
365                         gpointer user_data)
366 {
367         ModestTnyAccountStore *self;
368         ModestTnyAccountStorePrivate *priv;
369         gchar *uri = NULL;
370         gchar *volume_path_uri;
371
372         self = MODEST_TNY_ACCOUNT_STORE(user_data);
373         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
374         
375         /* Check whether this was the external MMC1 card: */
376         uri = gnome_vfs_volume_get_activation_uri (volume);
377         volume_path_uri = g_strconcat (MODEST_MMC1_VOLUMEPATH_URI_PREFIX,
378                                        g_getenv (MODEST_MMC1_VOLUMEPATH_ENV),
379                                        NULL);
380         if (uri && (strcmp (uri, volume_path_uri) == 0)) {
381                 TnyAccount *mmc_account = NULL;
382                 gboolean found = FALSE;
383                 TnyIterator *iter = NULL;
384
385                 iter = tny_list_create_iterator (priv->store_accounts);
386                 while (!tny_iterator_is_done (iter) && !found) {
387                         TnyAccount *account;
388
389                         account = TNY_ACCOUNT (tny_iterator_get_current (iter));
390                         if (modest_tny_account_is_memory_card_account (account)) {
391                                 found = TRUE;
392                                 mmc_account = g_object_ref (account);
393                         }
394                         g_object_unref (account);
395                         tny_iterator_next (iter);
396                 }
397                 g_object_unref (iter);
398
399                 if (found) {
400                         /* Remove from the list */
401                         tny_list_remove (priv->store_accounts, G_OBJECT (mmc_account));
402                         
403                         /* Notify observers */
404                         g_signal_emit (G_OBJECT (self),
405                                        signals [ACCOUNT_REMOVED_SIGNAL],
406                                        0, mmc_account);
407
408                         g_object_unref (mmc_account);
409                 } else {
410                         g_warning ("%s: there was no store account for the unmounted MMC",
411                                    __FUNCTION__);
412                 }
413         }
414         g_free (volume_path_uri);
415         g_free (uri);
416 }
417
418 /**
419  * forget_password_in_memory
420  * @self: a TnyAccountStore instance
421  * @account: A server account.
422  * 
423  * Forget any password stored in memory for this account.
424  * For instance, this should be called when the user has changed the password in the account settings.
425  */
426 static void
427 forget_password_in_memory (ModestTnyAccountStore *self, 
428                            const gchar * server_account_name)
429 {
430         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
431
432         if (server_account_name && priv->password_hash) {
433                 g_hash_table_remove (priv->password_hash, server_account_name);
434         }
435 }
436
437 static void
438 on_account_changed (ModestAccountMgr *acc_mgr, 
439                     const gchar *account_name, 
440                     TnyAccountType account_type,
441                     gpointer user_data)
442 {
443         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
444         ModestTnyAccountStorePrivate *priv;
445         TnyList* account_list;
446         gboolean found = FALSE;
447         TnyIterator *iter = NULL;
448
449         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
450         account_list = (account_type == TNY_ACCOUNT_TYPE_STORE ? 
451                         priv->store_accounts : 
452                         priv->transport_accounts);
453
454         iter = tny_list_create_iterator (account_list);
455         while (!tny_iterator_is_done (iter) && !found) {
456                 TnyAccount *tny_account;
457                 tny_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
458                 if (tny_account) {
459                         if (!strcmp (tny_account_get_id (tny_account), account_name)) {
460                                 found = TRUE;
461                                 modest_tny_account_update_from_account (tny_account, get_password, forget_password);
462                                 g_signal_emit (G_OBJECT(self), signals[ACCOUNT_CHANGED_SIGNAL], 0, tny_account);
463                         }
464                         g_object_unref (tny_account);
465                 }
466                 tny_iterator_next (iter);
467         }
468         g_object_unref (iter);
469 }
470
471 static void 
472 show_password_warning_only (const gchar *msg)
473 {
474         /* Show an explanatory temporary banner: */
475         if (modest_window_mgr_get_num_windows (modest_runtime_get_window_mgr ()))
476                 modest_platform_information_banner (NULL, NULL, msg);
477 }
478
479 static void 
480 show_wrong_password_dialog (TnyAccount *account, 
481                             gboolean show_banner)
482
483         if (g_object_get_data (G_OBJECT (account), "connection_specific") != NULL) {
484                 modest_ui_actions_on_smtp_servers (NULL, NULL);
485         } else {
486                 ModestAccountProtocol *proto;
487                 ModestProtocolType proto_type;
488                 const gchar *modest_account_name;
489                 modest_account_name = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
490
491                 /* Get proto */
492                 proto_type = modest_account_mgr_get_store_protocol (modest_runtime_get_account_mgr (), 
493                                                                     modest_account_name);
494                 proto = (ModestAccountProtocol *)
495                         modest_protocol_registry_get_protocol_by_type (modest_runtime_get_protocol_registry (), 
496                                                                        proto_type);
497
498                 /* Create and show the dialog */
499                 if (proto && MODEST_IS_ACCOUNT_PROTOCOL (proto)) {
500                         ModestAccountSettingsDialog *dialog =
501                                 modest_account_protocol_get_account_settings_dialog (proto, modest_account_name);
502                         modest_window_mgr_set_modal (modest_runtime_get_window_mgr (), GTK_WINDOW (dialog), NULL);
503                         gtk_widget_show (GTK_WIDGET (dialog));
504                 }
505         }
506         /* Show an explanatory temporary banner: */
507         if (show_banner)
508                 modest_platform_information_banner (NULL, NULL, _("mcen_ib_username_pw_incorrect"));
509 }
510
511 /* This callback will be called by Tinymail when it needs the password
512  * from the user or the account settings.
513  * It can also call forget_password() before calling this,
514  * so that we clear wrong passwords out of our account settings.
515  * Note that TnyAccount here will be the server account. */
516 static gchar*
517 get_password (TnyAccount *account, const gchar * prompt_not_used, gboolean *cancel)
518 {
519         ModestTnyAccountStore *self = NULL;
520         ModestTnyAccountStorePrivate *priv;
521         gchar *username = NULL;
522         gchar *pwd = NULL;
523         gpointer pwd_ptr = NULL;
524         gboolean already_asked = FALSE;
525         const gchar *server_account_name;
526         gchar *url_string;
527
528         g_return_val_if_fail (account, NULL);
529         
530         MODEST_DEBUG_BLOCK(
531                 g_debug ("%s: prompt (not shown) = %s\n", __FUNCTION__, prompt_not_used);
532         );              
533
534         /* Get a reference to myself */
535         self = MODEST_TNY_ACCOUNT_STORE (g_object_get_data (G_OBJECT(account), "account_store"));
536         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
537
538         /* Ensure that we still have this account. It could happen
539            that a set_online was requested *before* removing an
540            account, and due to tinymail emits the get_password
541            function using a g_idle the account could be actually
542            removed *before* this function was really called */
543         url_string = tny_account_get_url_string (account);
544         if (url_string) {
545                 TnyAccount *tmp_account;
546
547                 tmp_account = tny_account_store_find_account (TNY_ACCOUNT_STORE (self), 
548                                                               url_string);
549                 g_free (url_string);
550
551                 if (!tmp_account) {
552                         *cancel = TRUE;
553                         return NULL;
554                 }
555                 g_object_unref (tmp_account);
556         }
557
558         server_account_name = tny_account_get_id (account);
559         if (!server_account_name || !self) {
560                 g_warning ("modest: %s: could not retrieve account_store for account %s",
561                            __FUNCTION__, server_account_name ? server_account_name : "<NULL>");
562                 if (cancel)
563                         *cancel = TRUE;
564
565                 return NULL;
566         }
567
568         /* This hash map stores passwords, including passwords that are not stored in gconf. */
569         /* Is it in the hash? if it's already there, it must be wrong... */
570         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
571                                    * type-punned ptrs...*/
572         already_asked = priv->password_hash && 
573                                 g_hash_table_lookup_extended (priv->password_hash,
574                                                       server_account_name,
575                                                       NULL,
576                                                       (gpointer*)&pwd_ptr);
577         MODEST_DEBUG_BLOCK(
578                 g_debug ("%s: Already asked = %d\n", __FUNCTION__, already_asked);
579         );
580
581         /* If the password is not already there, try ModestConf */
582         if (!already_asked) {
583                 pwd  = modest_account_mgr_get_server_account_password (priv->account_mgr,
584                                                                        server_account_name);
585                 g_hash_table_insert (priv->password_hash, g_strdup (server_account_name), g_strdup (pwd));
586         }
587
588         /* If it was already asked, it must have been wrong, so ask again */
589         if (already_asked || !pwd || strlen(pwd) == 0) {
590                 gboolean settings_have_password;
591                 ModestProtocolType protocol_type;
592
593                 /* As per the UI spec, if no password was set in the account settings, 
594                  * ask for it now. But if the password is wrong in the account settings, 
595                  * then show a banner and the account settings dialog so it can be corrected:
596                  */
597                 settings_have_password = 
598                         modest_account_mgr_get_server_account_has_password (priv->account_mgr, server_account_name);
599
600                 protocol_type = modest_tny_account_get_protocol_type (account);
601
602                 /* Show an error and after that ask for a password */
603                 if (modest_protocol_registry_protocol_type_has_tag(modest_runtime_get_protocol_registry (), 
604                                                                    protocol_type, MODEST_PROTOCOL_REGISTRY_TRANSPORT_PROTOCOLS)) {
605                         gchar *username = NULL, *msg = NULL;
606                         username = modest_account_mgr_get_server_account_username (priv->account_mgr,
607                                                                                    server_account_name);
608                         if (!username || strlen(username) == 0) {
609                                 msg = g_strdup_printf (_("emev_ni_ui_smtp_userid_invalid"), 
610                                                        tny_account_get_name (account),
611                                                        tny_account_get_hostname (account));
612                         } else {
613                                 gchar *password;
614                                 password  = modest_account_mgr_get_server_account_password (priv->account_mgr,
615                                                                                             server_account_name);
616
617                                 if (already_asked)
618                                         msg = g_strdup (_("mcen_ib_username_pw_incorrect"));
619                                 else if (!password || strlen(password) == 0)
620                                         msg = g_strdup_printf (_("emev_ni_ui_smtp_passwd_invalid"), 
621                                                                tny_account_get_name (account),
622                                                                tny_account_get_hostname (account));
623                                 else
624                                         msg = g_strdup_printf (_("emev_ni_ui_smtp_authentication_fail_error"), 
625                                                                tny_account_get_hostname (account));
626                                 if (password)
627                                         g_free (password);
628                         }
629                         if (msg) {
630                                 modest_platform_run_information_dialog (NULL, msg, TRUE);
631                                 g_free (msg);
632                         }
633                         if (username)
634                                 g_free (username);
635                 }
636
637                 if (settings_have_password) {
638                         /* The password must be wrong, so show the account settings dialog so it can be corrected: */
639                         show_wrong_password_dialog (account, TRUE);
640
641                         if (cancel)
642                                 *cancel = TRUE;
643
644                         return NULL;
645                 }
646
647                 /* we don't have it yet. Get the password from the user */
648                 const gchar* account_id = tny_account_get_id (account);
649                 gboolean remember = FALSE;
650                 pwd = NULL;
651
652                 if (already_asked) {
653                         const gchar *msg;
654                         gboolean username_known = 
655                                 modest_account_mgr_get_server_account_username_has_succeeded(priv->account_mgr, 
656                                                                                              server_account_name);
657                         /* If the login has ever succeeded then show a specific message */
658                         if (username_known)
659                                 msg = _CS ("ecdg_ib_set_password_incorrect");
660                         else
661                                 msg = _("mcen_ib_username_pw_incorrect");
662                         show_password_warning_only (msg);
663                 }
664
665                 /* Request password */
666                 g_signal_emit (G_OBJECT (self), signals[PASSWORD_REQUESTED_SIGNAL], 0,
667                                account_id, /* server_account_name */
668                                &username, &pwd, cancel, &remember);
669
670                 
671                 if (!*cancel) {
672                         /* The password will be returned as the result,
673                          * but we need to tell tinymail about the username too: */
674
675                         /* WARNING: I disabled setting username as this can cause locks. Anyway,
676                          * as now we have the password dialog username entry always dimmed
677                          * this shouldn't be a problem */
678
679                         /* if (username) */
680                         /*      tny_account_set_user (account, username); */
681                         
682                         /* Do not save the password in gconf, because
683                          * the UI spec says "The password will never
684                          * be saved in the account": */
685
686                         /* We need to dup the string even knowing that
687                            it's already a dup of the contents of an
688                            entry, because it if it's wrong, then camel
689                            will free it */
690                         g_hash_table_insert (priv->password_hash, g_strdup (server_account_name), g_strdup(pwd));
691                 } else {
692                         g_hash_table_remove (priv->password_hash, server_account_name);
693                         
694                         g_free (pwd);
695                         pwd = NULL;
696                 }
697
698                 g_free (username);
699                 username = NULL;
700         } else
701                 if (cancel)
702                         *cancel = FALSE;        
703         return pwd;
704 }
705
706 void 
707 modest_tny_account_store_forget_already_asked (ModestTnyAccountStore *self, TnyAccount *account)
708 {
709         g_return_if_fail (account);
710           
711         ModestTnyAccountStorePrivate *priv;
712         gchar *pwd = NULL;
713         gpointer pwd_ptr = NULL;
714         gboolean already_asked = FALSE;
715                 
716         const gchar *server_account_name = tny_account_get_id (account);
717
718         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
719         
720         /* This hash map stores passwords, including passwords that are not stored in gconf. */
721         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
722                                    * type-punned ptrs...*/
723         already_asked = priv->password_hash && 
724                                 g_hash_table_lookup_extended (priv->password_hash,
725                                                       server_account_name,
726                                                       NULL,
727                                                       (gpointer*)&pwd_ptr);
728
729         if (already_asked) {
730                 g_hash_table_remove (priv->password_hash, server_account_name);         
731                 g_free (pwd);
732                 pwd = NULL;
733         }
734
735         return;
736 }
737
738 /* tinymail calls this if the connection failed due to an incorrect password.
739  * And it seems to call this for any general connection failure. */
740 static void
741 forget_password (TnyAccount *account)
742 {
743         ModestTnyAccountStore *self;
744         ModestTnyAccountStorePrivate *priv;
745         const TnyAccountStore *account_store;
746         gchar *pwd;
747         const gchar *key;
748         
749         account_store = TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
750                                                              "account_store"));
751         self = MODEST_TNY_ACCOUNT_STORE (account_store);
752         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
753         key  = tny_account_get_id (account);
754
755         /* Do not remove the key, this will allow us to detect that we
756            have already asked for it at least once */
757         pwd = g_hash_table_lookup (priv->password_hash, key);
758         if (pwd) {
759                 memset (pwd, 0, strlen (pwd));
760                 g_hash_table_insert (priv->password_hash, g_strdup (key), NULL);
761         }
762
763         /* Remove from configuration system */
764         /*
765         modest_account_mgr_unset (priv->account_mgr,
766                                   key, MODEST_ACCOUNT_PASSWORD, TRUE);
767         */
768 }
769
770 static void
771 modest_tny_account_store_finalize (GObject *obj)
772 {
773         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
774         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
775
776         g_free (priv->cache_dir);
777         priv->cache_dir = NULL;
778         
779         if (priv->password_hash) {
780                 g_hash_table_destroy (priv->password_hash);
781                 priv->password_hash = NULL;
782         }
783
784         if (priv->outbox_of_transport) {
785                 g_hash_table_destroy (priv->outbox_of_transport);
786                 priv->outbox_of_transport = NULL;
787         }
788
789         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
790         priv->sighandlers = NULL;       
791
792         if (priv->account_mgr) {
793                 g_object_unref (G_OBJECT(priv->account_mgr));
794                 priv->account_mgr = NULL;
795         }
796
797         if (priv->device) {
798                 g_object_unref (G_OBJECT(priv->device));
799                 priv->device = NULL;
800         }
801
802         /* Destroy all accounts. Disconnect all accounts before they are destroyed */
803         if (priv->store_accounts) {
804                 tny_list_foreach (priv->store_accounts, (GFunc)account_verify_last_ref, "store");
805                 g_object_unref (priv->store_accounts);
806                 priv->store_accounts = NULL;
807         }
808         
809         if (priv->transport_accounts) {
810                 tny_list_foreach (priv->transport_accounts, (GFunc)account_verify_last_ref, "transport");
811                 g_object_unref (priv->transport_accounts);
812                 priv->transport_accounts = NULL;
813         }
814
815         if (priv->store_accounts_outboxes) {
816                 g_object_unref (priv->store_accounts_outboxes);
817                 priv->store_accounts_outboxes = NULL;
818         }
819                 
820         if (priv->session) {
821                 camel_object_unref (CAMEL_OBJECT(priv->session));
822                 priv->session = NULL;
823         }
824
825         G_OBJECT_CLASS(parent_class)->finalize (obj);
826 }
827
828 static gboolean 
829 volume_path_is_mounted (const gchar* path)
830 {
831         g_return_val_if_fail (path, FALSE);
832
833         gboolean result = FALSE;
834         gchar * path_as_uri = g_filename_to_uri (path, NULL, NULL);
835         g_return_val_if_fail (path_as_uri, FALSE);
836
837         /* Get the monitor singleton: */
838         GnomeVFSVolumeMonitor *monitor = gnome_vfs_get_volume_monitor();
839
840         /* This seems like a simpler way to do this, but it returns a   
841          * GnomeVFSVolume even if the drive is not mounted: */
842         /*
843         GnomeVFSVolume *volume = gnome_vfs_volume_monitor_get_volume_for_path (monitor, 
844                                  g_getenv (MODEST_MMC1_VOLUMEPATH_ENV));
845         if (volume) {
846                 gnome_vfs_volume_unref(volume);
847         }
848         */
849
850         /* Get the mounted volumes from the monitor: */
851         GList *list = gnome_vfs_volume_monitor_get_mounted_volumes (monitor);
852         GList *iter = list;
853         for (iter = list; iter; iter = g_list_next (iter)) {
854                 GnomeVFSVolume *volume = (GnomeVFSVolume*)iter->data;
855                 if (volume) {
856                         /*
857                         char *display_name = 
858                                 gnome_vfs_volume_get_display_name (volume);
859                         printf ("volume display name=%s\n", display_name);
860                         g_free (display_name);
861                         */
862                         
863                         char *uri = 
864                                 gnome_vfs_volume_get_activation_uri (volume);
865                         /* printf ("  uri=%s\n", uri); */
866                         if (uri && (strcmp (uri, path_as_uri) == 0))
867                                 result = TRUE;
868
869                         g_free (uri);
870
871                         gnome_vfs_volume_unref (volume);
872                 }
873         }
874
875         g_list_free (list);
876
877         g_free (path_as_uri);
878
879         return result;
880 }
881
882 ModestTnyAccountStore*
883 modest_tny_account_store_new (ModestAccountMgr *account_mgr,
884                               TnyDevice *device)
885 {
886         GObject *obj;
887         ModestTnyAccountStorePrivate *priv;
888         TnyAccount *local_account = NULL;
889         TnyLockable *lockable;
890         GnomeVFSVolumeMonitor* monitor = NULL;
891
892         g_return_val_if_fail (account_mgr, NULL);
893         g_return_val_if_fail (device, NULL);
894
895         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
896         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
897
898         priv->account_mgr = g_object_ref (G_OBJECT(account_mgr));
899         priv->device = g_object_ref (device);
900
901         priv->session = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
902         if (!priv->session) {
903                 g_warning ("failed to get TnySessionCamel");
904                 return NULL;
905         }
906
907         /* Set the ui locker */
908         lockable = tny_gtk_lockable_new ();
909         tny_session_camel_set_ui_locker (priv->session, lockable);
910         g_object_unref (lockable);
911
912         /* Connect signals */
913         priv->sighandlers  =  modest_signal_mgr_connect (priv->sighandlers,
914                                                          G_OBJECT(account_mgr), "account_inserted",
915                                                          G_CALLBACK (on_account_inserted), obj);
916         priv->sighandlers  =  modest_signal_mgr_connect (priv->sighandlers,
917                                                          G_OBJECT(account_mgr), "account_changed",
918                                                          G_CALLBACK (on_account_changed), obj);
919         priv->sighandlers  =  modest_signal_mgr_connect (priv->sighandlers,
920                                                          G_OBJECT(account_mgr), "account_removed",
921                                                          G_CALLBACK (on_account_removed), obj);
922
923         /* Respond to volume mounts and unmounts, such as the
924            insertion/removal of the memory card. This is a singleton,
925            so it does not need to be unrefed */
926         monitor = gnome_vfs_get_volume_monitor();
927         priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
928                                                        G_OBJECT(monitor),
929                                                        "volume-mounted",
930                                                        G_CALLBACK(on_vfs_volume_mounted),
931                                                        obj);
932         priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
933                                                        G_OBJECT(monitor), "volume-unmounted",
934                                                        G_CALLBACK(on_vfs_volume_unmounted),
935                                                        obj);
936
937         /* Create the lists of accounts */
938         priv->store_accounts = tny_simple_list_new ();
939         priv->transport_accounts = tny_simple_list_new ();
940         priv->store_accounts_outboxes = tny_simple_list_new ();
941
942         /* Create the local folders account */
943         local_account = 
944                 modest_tny_account_new_for_local_folders (priv->account_mgr, priv->session, NULL);
945         tny_list_append (priv->store_accounts, G_OBJECT(local_account));
946         g_object_unref (local_account); 
947
948         /* Add the other remote accounts. Do this after adding the
949            local account, because we need to add our outboxes to the
950            global OUTBOX hosted in the local account */
951         add_existing_accounts (MODEST_TNY_ACCOUNT_STORE (obj));
952         
953         /* Add connection-specific transport accounts if there are any
954            accounts available */
955         if (!only_local_accounts (MODEST_TNY_ACCOUNT_STORE(obj)))
956                 add_connection_specific_transport_accounts (MODEST_TNY_ACCOUNT_STORE(obj));
957         
958         /* This is a singleton, so it does not need to be unrefed. */
959         if (volume_path_is_mounted (g_getenv (MODEST_MMC1_VOLUMEPATH_ENV))) {
960                 /* It is mounted: */
961                 add_mmc_account (MODEST_TNY_ACCOUNT_STORE (obj), FALSE /* don't emit the insert signal. */); 
962         }
963         
964         return MODEST_TNY_ACCOUNT_STORE(obj);
965 }
966
967 static void
968 modest_tny_account_store_get_accounts  (TnyAccountStore *self, 
969                                         TnyList *list,
970                                         TnyGetAccountsRequestType request_type)
971 {
972         ModestTnyAccountStorePrivate *priv;
973         
974         g_return_if_fail (self);
975         g_return_if_fail (TNY_IS_LIST(list));
976         
977         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
978         
979         switch (request_type) {
980         case TNY_ACCOUNT_STORE_BOTH:
981                 tny_list_foreach (priv->store_accounts, foreach_account_append_to_list, list);
982                 tny_list_foreach (priv->transport_accounts, foreach_account_append_to_list, list);
983                 break;
984         case TNY_ACCOUNT_STORE_STORE_ACCOUNTS:
985                 tny_list_foreach (priv->store_accounts, foreach_account_append_to_list, list);
986                 break;
987         case TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS:
988                 tny_list_foreach (priv->transport_accounts, foreach_account_append_to_list, list);
989                 break;
990         default:
991                 g_return_if_reached ();
992         }
993
994         /* Initialize session. Why do we need this ??? */
995         tny_session_camel_set_initialized (priv->session);
996 }
997
998
999 static const gchar*
1000 modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
1001 {
1002         ModestTnyAccountStorePrivate *priv;
1003         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1004         
1005         if (!priv->cache_dir)
1006                 priv->cache_dir = g_build_filename (g_get_home_dir(), 
1007                                                     MODEST_DIR, MODEST_CACHE_DIR, NULL);
1008         return priv->cache_dir;
1009 }
1010
1011
1012 /*
1013  * callers need to unref
1014  */
1015 static TnyDevice*
1016 modest_tny_account_store_get_device (TnyAccountStore *self)
1017 {
1018         ModestTnyAccountStorePrivate *priv;
1019
1020         g_return_val_if_fail (self, NULL);
1021         
1022         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1023         
1024         if (priv->device) 
1025                 return g_object_ref (G_OBJECT(priv->device));
1026         else
1027                 return NULL;
1028 }
1029
1030
1031 static TnyAccount*
1032 modest_tny_account_store_find_account_by_url (TnyAccountStore *self, const gchar* url_string)
1033 {
1034         return modest_tny_account_store_get_tny_account_by (MODEST_TNY_ACCOUNT_STORE (self), 
1035                                                             MODEST_TNY_ACCOUNT_STORE_QUERY_URL,
1036                                                             url_string);
1037 }
1038
1039
1040
1041 static gboolean
1042 modest_tny_account_store_alert (TnyAccountStore *self, 
1043                                 TnyAccount *account, 
1044                                 TnyAlertType type,
1045                                 gboolean question, 
1046                                 GError *error)
1047 {
1048         ModestProtocolType protocol_type = MODEST_PROTOCOL_REGISTRY_TYPE_INVALID;
1049         ModestProtocol *protocol = NULL;
1050         const gchar* server_name = "";
1051         gchar *prompt = NULL;
1052         gboolean retval = TRUE;
1053
1054         /* NOTE: account may be NULL in some cases */
1055         g_return_val_if_fail (error, FALSE);
1056         
1057         /* Get the server name: */
1058         if (account) {
1059                 server_name = tny_account_get_hostname (account);
1060                 protocol_type = modest_tny_account_get_protocol_type (account);
1061                 if (protocol_type == MODEST_PROTOCOL_REGISTRY_TYPE_INVALID){
1062                         g_warning("modest: %s: account with id=%s has no proto.\n", __FUNCTION__, 
1063                                   tny_account_get_id (account));
1064                         return FALSE;
1065                 }
1066                 protocol = modest_protocol_registry_get_protocol_by_type (modest_runtime_get_protocol_registry (),
1067                                                                           protocol_type);
1068         }
1069
1070         switch (error->code) {
1071         case TNY_SYSTEM_ERROR_CANCEL:
1072                 /* Don't show waste the user's time by showing him a dialog telling 
1073                  * him that he has just cancelled something: */
1074                 return TRUE;
1075
1076         case TNY_SERVICE_ERROR_PROTOCOL:
1077                 /* Like a BAD from IMAP (protocol error) */
1078         case TNY_SERVICE_ERROR_LOST_CONNECTION:
1079                 /* Lost the connection with the service */
1080         case TNY_SERVICE_ERROR_UNAVAILABLE:
1081                 /* You must be working online for this operation */
1082         case TNY_SERVICE_ERROR_CONNECT:
1083                 if (protocol) {
1084                         prompt = modest_protocol_get_translation (protocol, MODEST_PROTOCOL_TRANSLATION_CONNECT_ERROR, server_name);
1085                 }
1086                 if (!prompt) {
1087                         g_return_val_if_reached (FALSE);
1088                 }
1089                 break;
1090                 
1091         case TNY_SERVICE_ERROR_AUTHENTICATE:
1092                 /* It seems that there's no better error to show with
1093                  * POP and IMAP because TNY_SERVICE_ERROR_AUTHENTICATE
1094                  * may appear if there's a timeout during auth */
1095                 if (protocol) {
1096                         prompt = modest_protocol_get_translation (protocol, MODEST_PROTOCOL_TRANSLATION_AUTH_ERROR, server_name);
1097                 }
1098                 if (!prompt) {
1099                         g_return_val_if_reached (FALSE);
1100                 }
1101                 break;
1102                         
1103         case TNY_SERVICE_ERROR_CERTIFICATE:
1104                 /* We'll show the proper dialog later */
1105                 break;
1106
1107         case TNY_SYSTEM_ERROR_MEMORY:
1108                 /* Can't allocate memory for this operation */
1109
1110         case TNY_SERVICE_ERROR_UNKNOWN: 
1111                 return FALSE;
1112         default:
1113                 g_debug ("Unexpected error %d", error->code);
1114                 g_return_val_if_reached (FALSE);
1115         }
1116
1117
1118         if (error->code == TNY_SERVICE_ERROR_CERTIFICATE)
1119                 retval = modest_platform_run_certificate_confirmation_dialog (server_name,
1120                                                                               error->message);
1121         else if (error->code == TNY_SERVICE_ERROR_AUTHENTICATE ||
1122                  error->code == TNY_SERVICE_ERROR_CONNECT) {
1123                 TnyDevice *device = modest_runtime_get_device ();
1124
1125                 modest_platform_run_information_dialog (NULL, prompt, TRUE);
1126
1127                 /* Show the account dialog. Checking the online status
1128                    allows us to minimize the number of times that we
1129                    incorrectly show the dialog */
1130                 if (tny_device_is_online (device))
1131                         show_wrong_password_dialog (account,
1132                                                     (error->code == TNY_SERVICE_ERROR_CONNECT) ? FALSE : TRUE);
1133
1134                 retval = TRUE;
1135         }
1136
1137         g_debug ("%s: error code %d (%s", __FUNCTION__, error->code, error->message);
1138
1139         if (prompt)
1140                 g_free (prompt);
1141
1142         return retval;
1143 }
1144
1145
1146 static void
1147 modest_tny_account_store_init (gpointer g, gpointer iface_data)
1148 {
1149         TnyAccountStoreIface *klass;
1150
1151         g_return_if_fail (g);
1152
1153         klass = (TnyAccountStoreIface *)g;
1154
1155         klass->get_accounts =
1156                 modest_tny_account_store_get_accounts;
1157         klass->get_cache_dir =
1158                 modest_tny_account_store_get_cache_dir;
1159         klass->get_device =
1160                 modest_tny_account_store_get_device;
1161         klass->alert =
1162                 modest_tny_account_store_alert;
1163         klass->find_account =
1164                 modest_tny_account_store_find_account_by_url;
1165 }
1166
1167 void
1168 modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
1169                                             ModestTnyGetPassFunc func)
1170 {
1171         /* not implemented, we use signals */
1172         g_printerr ("modest: set_get_pass_func not implemented\n");
1173 }
1174
1175 TnySessionCamel*
1176 modest_tny_account_store_get_session  (TnyAccountStore *self)
1177 {
1178         g_return_val_if_fail (self, NULL);
1179         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->session;
1180 }
1181
1182 static TnyAccount*
1183 get_tny_account_by (TnyList *accounts,
1184                     ModestTnyAccountStoreQueryType type,
1185                     const gchar *str)
1186 {
1187         TnyIterator *iter = NULL;
1188         gboolean found = FALSE;
1189         TnyAccount *retval = NULL;
1190
1191         g_return_val_if_fail (TNY_IS_LIST(accounts), NULL);
1192
1193         if (tny_list_get_length(accounts) == 0) {
1194                 g_warning ("%s: account list is empty", __FUNCTION__);
1195                 return NULL;
1196         }
1197         
1198         iter = tny_list_create_iterator (accounts);
1199         while (!tny_iterator_is_done (iter) && !found) {
1200                 TnyAccount *tmp_account = NULL;
1201                 const gchar *val = NULL;
1202
1203                 tmp_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
1204                 if (!TNY_IS_ACCOUNT(tmp_account)) {
1205                         g_warning ("%s: not a valid account", __FUNCTION__);
1206                         tmp_account = NULL;
1207                         break;
1208                 }
1209
1210                 switch (type) {
1211                 case MODEST_TNY_ACCOUNT_STORE_QUERY_ID:
1212                         val = tny_account_get_id (tmp_account);
1213                         break;
1214                 case MODEST_TNY_ACCOUNT_STORE_QUERY_URL:
1215                         val = tny_account_get_url_string (tmp_account);
1216                         break;
1217                 }
1218                 
1219                 if (type == MODEST_TNY_ACCOUNT_STORE_QUERY_URL && 
1220                     tny_account_matches_url_string (tmp_account, str)) {
1221                         retval = g_object_ref (tmp_account);
1222                         found = TRUE;
1223                 } else {
1224                         if (val && str && strcmp (val, str) == 0) {
1225                                 retval = g_object_ref (tmp_account);
1226                                 found = TRUE;
1227                         }
1228                 }
1229                 g_object_unref (tmp_account);
1230                 tny_iterator_next (iter);
1231         }
1232         g_object_unref (iter);
1233
1234         return retval;
1235 }
1236
1237 TnyAccount*
1238 modest_tny_account_store_get_tny_account_by (ModestTnyAccountStore *self, 
1239                                              ModestTnyAccountStoreQueryType type,
1240                                              const gchar *str)
1241 {
1242         TnyAccount *account = NULL;
1243         ModestTnyAccountStorePrivate *priv;     
1244         
1245         g_return_val_if_fail (self, NULL);
1246         g_return_val_if_fail (str, NULL);
1247         
1248         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1249         
1250         /* Search in store accounts */
1251         account = get_tny_account_by (priv->store_accounts, type, str);
1252
1253         /* If we already found something, no need to search the transport accounts */
1254         if (!account) {
1255                 account = get_tny_account_by (priv->transport_accounts, type, str);
1256
1257                 /* If we already found something, no need to search the
1258                    per-account outbox accounts */
1259                 if (!account)
1260                         account = get_tny_account_by (priv->store_accounts_outboxes, type, str);
1261         }
1262
1263         /* Warn if nothing was found. This is generally unusual. */
1264         if (!account) {
1265                 g_warning("%s: Failed to find account with %s=%s\n", 
1266                           __FUNCTION__, 
1267                           (type == MODEST_TNY_ACCOUNT_STORE_QUERY_ID) ? "ID" : "URL",                     
1268                           str);
1269         }
1270
1271         /* Returns a new reference to the account if found */   
1272         return account;
1273 }
1274
1275
1276 TnyAccount*
1277 modest_tny_account_store_get_server_account (ModestTnyAccountStore *self,
1278                                              const gchar *account_name,
1279                                              TnyAccountType type)
1280 {
1281         ModestTnyAccountStorePrivate *priv = NULL;
1282         TnyAccount *retval = NULL;
1283         TnyList *account_list = NULL;
1284         TnyIterator *iter = NULL;
1285         gboolean found;
1286
1287         g_return_val_if_fail (self, NULL);
1288         g_return_val_if_fail (account_name, NULL);
1289         g_return_val_if_fail (type == TNY_ACCOUNT_TYPE_STORE || 
1290                               type == TNY_ACCOUNT_TYPE_TRANSPORT,
1291                               NULL);
1292         
1293         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1294
1295         account_list = (type == TNY_ACCOUNT_TYPE_STORE) ? 
1296                 priv->store_accounts : 
1297                 priv->transport_accounts;
1298
1299         if (!account_list) {
1300                 g_printerr ("%s: No server accounts of type %s\n", __FUNCTION__, 
1301                         (type == TNY_ACCOUNT_TYPE_STORE) ? "store" : "transport");
1302                 return NULL;
1303         }
1304         
1305         /* Look for the server account */
1306         found = FALSE;
1307         iter = tny_list_create_iterator (account_list);
1308         while (!tny_iterator_is_done (iter) && !found) {
1309                 const gchar *modest_acc_name;
1310                 TnyAccount *tmp_account;
1311
1312                 tmp_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
1313                 modest_acc_name = 
1314                         modest_tny_account_get_parent_modest_account_name_for_server_account (tmp_account);
1315                 
1316                 if (account_name && modest_acc_name && !strcmp (account_name, modest_acc_name)) {
1317                         found = TRUE;
1318                         retval = g_object_ref (tmp_account);
1319                 }
1320                 /* Free and continue */
1321                 g_object_unref (tmp_account);
1322                 tny_iterator_next (iter);
1323         }
1324         g_object_unref (iter);
1325
1326         if (!found) {
1327                 g_printerr ("modest: %s: could not get tny %s account for %s\n." \
1328                             "Number of server accounts of this type=%d\n", __FUNCTION__,
1329                             (type == TNY_ACCOUNT_TYPE_STORE) ? "store" : "transport",
1330                             account_name, tny_list_get_length (account_list));
1331         }
1332
1333         /* Returns a new reference */
1334         return retval;
1335 }
1336
1337 TnyAccount*
1338 modest_tny_account_store_get_smtp_specific_transport_account_for_open_connection (
1339         ModestTnyAccountStore *self, const gchar *account_name)
1340 {
1341         TnyDevice *device;
1342
1343         g_return_val_if_fail (self && MODEST_IS_TNY_ACCOUNT_STORE(self), NULL);
1344         g_return_val_if_fail (account_name, NULL);
1345
1346         /* Get the current connection: */
1347         device = modest_runtime_get_device ();
1348
1349         if (!device) {
1350                 g_warning ("%s: could not get device", __FUNCTION__);
1351                 return NULL;
1352         }
1353                 
1354         if (!tny_device_is_online (device))
1355                 return NULL;
1356         
1357 #ifdef MODEST_HAVE_CONIC
1358         g_return_val_if_fail (TNY_IS_MAEMO_CONIC_DEVICE (device), NULL);
1359         
1360         TnyMaemoConicDevice *maemo_device = TNY_MAEMO_CONIC_DEVICE (device);    
1361         const gchar* iap_id = tny_maemo_conic_device_get_current_iap_id (maemo_device);
1362         /* printf ("DEBUG: %s: iap_id=%s\n", __FUNCTION__, iap_id); */
1363         if (!iap_id)
1364                 return NULL;
1365                 
1366         ConIcIap* connection = tny_maemo_conic_device_get_iap (maemo_device, iap_id);
1367         if (!connection)
1368                 return NULL;
1369                 
1370         const gchar *connection_id = con_ic_iap_get_id (connection);
1371         /* printf ("DEBUG: %s: connection_id=%s\n", __FUNCTION__, connection_id); */
1372         if (!connection_id)
1373                 return NULL;
1374         
1375         /*  Get the connection-specific transport acccount, if any: */
1376         ModestAccountMgr *account_manager = modest_runtime_get_account_mgr ();
1377
1378         /* Check if this account has connection-specific SMTP enabled */
1379         if (!modest_account_mgr_get_use_connection_specific_smtp (account_manager, account_name)) {
1380                 return NULL;
1381         }
1382
1383         gchar* server_account_name = modest_account_mgr_get_connection_specific_smtp (account_manager, 
1384                 connection_id);
1385
1386         /* printf ("DEBUG: %s: server_account_name=%s\n", __FUNCTION__, server_account_name); */
1387         if (!server_account_name) {
1388                 return NULL; /* No connection-specific SMTP server was specified for this connection. */
1389         }
1390
1391         TnyAccount* account = modest_tny_account_store_get_tny_account_by (self, 
1392                                                                            MODEST_TNY_ACCOUNT_STORE_QUERY_ID, 
1393                                                                            server_account_name);
1394
1395         /* printf ("DEBUG: %s: account=%p\n", __FUNCTION__, account); */
1396         g_free (server_account_name);
1397
1398         /* Unref the get()ed object, as required by the tny_maemo_conic_device_get_iap() documentation. */
1399         g_object_unref (connection);
1400
1401         return account;
1402 #else
1403         return NULL; /* TODO: Implement this for GNOME, instead of just Maemo? */
1404 #endif /* MODEST_HAVE_CONIC */
1405 }
1406
1407                                                                  
1408 TnyAccount*
1409 modest_tny_account_store_get_transport_account_for_open_connection (ModestTnyAccountStore *self,
1410                                                                     const gchar *account_name)
1411 {
1412         g_return_val_if_fail (self, NULL);
1413         g_return_val_if_fail (account_name, NULL);
1414
1415         if (!account_name || !self)
1416                 return NULL;
1417         
1418         /*  Get the connection-specific transport acccount, if any: */
1419         /* Note: This gives us a reference: */
1420         TnyAccount *account =
1421                 modest_tny_account_store_get_smtp_specific_transport_account_for_open_connection (self, account_name);
1422                         
1423         /* If there is no connection-specific transport account (the common case), 
1424          * just get the regular transport account: */
1425         if (!account) {
1426                 /* The special local folders don't have transport accounts. */
1427                 if (strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID) == 0)
1428                         account = NULL;
1429                 else {
1430                         /* Note: This gives us a reference: */
1431                         account = modest_tny_account_store_get_server_account (self, account_name, 
1432                                                      TNY_ACCOUNT_TYPE_TRANSPORT);
1433                 }
1434         }
1435                         
1436         /* returns a reference. */     
1437         return account;
1438 }
1439
1440 TnyAccount*
1441 modest_tny_account_store_get_local_folders_account (ModestTnyAccountStore *self)
1442 {
1443         TnyAccount *account = NULL;
1444         ModestTnyAccountStorePrivate *priv;
1445         TnyIterator *iter;
1446         gboolean found;
1447
1448         g_return_val_if_fail (MODEST_IS_TNY_ACCOUNT_STORE (self), NULL);
1449         
1450         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1451
1452         found = FALSE;
1453         iter = tny_list_create_iterator (priv->store_accounts);
1454         while (!tny_iterator_is_done (iter) && !found) {
1455                 TnyAccount *tmp_account;
1456
1457                 tmp_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
1458                 if (modest_tny_account_is_virtual_local_folders (tmp_account)) {
1459                         account = g_object_ref (tmp_account);
1460                         found = TRUE;
1461                 }
1462                 g_object_unref (tmp_account);
1463                 tny_iterator_next (iter);
1464         }
1465         g_object_unref (iter);
1466
1467         /* Returns a new reference to the account */
1468         return account;
1469 }
1470
1471 TnyAccount*
1472 modest_tny_account_store_get_mmc_folders_account (ModestTnyAccountStore *self)
1473 {
1474         g_return_val_if_fail (MODEST_IS_TNY_ACCOUNT_STORE (self), NULL);
1475         
1476         /* New reference */
1477         return modest_tny_account_store_get_tny_account_by (self, MODEST_TNY_ACCOUNT_STORE_QUERY_ID,
1478                                                             MODEST_MMC_ACCOUNT_ID);
1479
1480 }
1481
1482 /*********************************************************************************/
1483 static void
1484 add_existing_accounts (ModestTnyAccountStore *self)
1485 {
1486         GSList *account_names = NULL, *iter = NULL;
1487         ModestTnyAccountStorePrivate *priv = NULL;
1488         
1489         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1490
1491         /* These are account names, not server_account names */
1492         account_names = modest_account_mgr_account_names (priv->account_mgr, FALSE);
1493
1494         for (iter = account_names; iter != NULL; iter = g_slist_next (iter)) {
1495                 const gchar *account_name = (const gchar*) iter->data;
1496                 
1497                 /* Insert all enabled accounts without notifying */
1498                 if (modest_account_mgr_get_enabled (priv->account_mgr, account_name))
1499                         insert_account (self, account_name, FALSE);
1500         }
1501         modest_account_mgr_free_account_names (account_names);
1502 }
1503
1504 static TnyAccount*
1505 create_tny_account (ModestTnyAccountStore *self,
1506                     const gchar *name,
1507                     TnyAccountType type,
1508                     gboolean notify)
1509 {
1510         TnyAccount *account = NULL;
1511         ModestTnyAccountStorePrivate *priv = NULL;
1512
1513         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1514
1515         account = modest_tny_account_new_from_account (priv->account_mgr,
1516                                                        name, type, 
1517                                                        priv->session,
1518                                                        get_password,
1519                                                        forget_password);
1520
1521         if (account) {
1522                 /* Forget any cached password for the account, so that
1523                    we use a new account if any */
1524                 forget_password_in_memory (self, tny_account_get_id (account));
1525
1526                 /* Set the account store */
1527                 g_object_set_data (G_OBJECT(account), "account_store", self);
1528         } else {
1529                 g_printerr ("modest: failed to create account for %s\n", name);
1530         }
1531
1532         return account;
1533 }
1534
1535 typedef struct _AddOutboxInfo {
1536         ModestTnyAccountStore *account_store;
1537         TnyAccount *transport_account;
1538 } AddOutboxInfo;
1539
1540 static void
1541 add_outbox_from_transport_account_to_global_outbox_get_folders_cb (TnyFolderStore *folder_store,
1542                                                                    gboolean cancelled,
1543                                                                    TnyList *list,
1544                                                                    GError *err,
1545                                                                    gpointer userdata)
1546 {
1547         TnyIterator *iter_folders;
1548         TnyFolder *per_account_outbox;
1549         TnyAccount *local_account = NULL;
1550         AddOutboxInfo *info = (AddOutboxInfo *) userdata;
1551         ModestTnyAccountStorePrivate *priv = NULL;
1552         ModestTnyAccountStore *self;
1553
1554         self = MODEST_TNY_ACCOUNT_STORE (info->account_store);
1555         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1556         
1557         /* Note that this could happen if there is not enough space
1558            available on disk, then the outbox folder could not be
1559            created */
1560         if (tny_list_get_length (list) != 1) {
1561                 g_warning ("%s: could not create outbox folder (%d folders found)", __FUNCTION__,
1562                            tny_list_get_length (list));
1563                 goto frees;
1564         }
1565                         
1566         iter_folders = tny_list_create_iterator (list);
1567         per_account_outbox = TNY_FOLDER (tny_iterator_get_current (iter_folders));
1568         g_object_unref (iter_folders);
1569         g_object_unref (list);
1570
1571         /* Add the outbox of the new per-account-local-outbox account
1572            to the global local merged OUTBOX of the local folders
1573            account */
1574         local_account = modest_tny_account_store_get_local_folders_account (info->account_store);
1575         modest_tny_local_folders_account_add_folder_to_outbox (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (local_account),
1576                                                                per_account_outbox);
1577         /* Add the pair to the hash table */
1578         g_hash_table_insert (priv->outbox_of_transport,
1579                              info->transport_account,
1580                              per_account_outbox);
1581         
1582         /* Notify that the local account changed */
1583         g_signal_emit (G_OBJECT (self), signals [ACCOUNT_CHANGED_SIGNAL], 0, local_account);
1584         g_object_unref (local_account);
1585         g_object_unref (per_account_outbox);
1586
1587  frees:
1588         g_object_unref (info->transport_account);
1589         g_slice_free (AddOutboxInfo, info);
1590 }
1591                                                                    
1592
1593 static void
1594 add_outbox_from_transport_account_to_global_outbox (ModestTnyAccountStore *self,
1595                                                     const gchar *account_name,
1596                                                     TnyAccount *transport_account)
1597 {
1598         TnyList *folders = NULL;
1599         TnyAccount *account_outbox = NULL;
1600         ModestTnyAccountStorePrivate *priv = NULL;
1601         AddOutboxInfo *info;
1602
1603         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1604
1605         /* Create per account local outbox */
1606         account_outbox = 
1607                 modest_tny_account_new_for_per_account_local_outbox_folder (priv->account_mgr, 
1608                                                                             account_name, 
1609                                                                             priv->session);
1610
1611         if (!G_IS_OBJECT (account_outbox)) {
1612                 g_warning ("%s: could not create per account local outbox folder", __FUNCTION__);
1613                 return;
1614         }
1615
1616         tny_list_append (priv->store_accounts_outboxes, G_OBJECT (account_outbox));
1617         
1618         /* Get the outbox folder */
1619         folders = tny_simple_list_new ();
1620         info = g_slice_new0 (AddOutboxInfo);
1621         info->account_store = self;
1622         info->transport_account = g_object_ref (transport_account);
1623         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (account_outbox), folders, NULL, FALSE, 
1624                                             add_outbox_from_transport_account_to_global_outbox_get_folders_cb, NULL, (gpointer) info);
1625         g_object_unref (account_outbox);
1626 }
1627
1628 /*
1629  * This function will be used for both adding new accounts and for the
1630  * initialization. In the initialization we do not want to emit
1631  * signals so notify will be FALSE, in the case of account additions
1632  * we do want to notify the observers
1633  */
1634 static void
1635 insert_account (ModestTnyAccountStore *self,
1636                 const gchar *account,
1637                 gboolean notify)
1638 {
1639         ModestTnyAccountStorePrivate *priv = NULL;
1640         TnyAccount *store_account = NULL, *transport_account = NULL;
1641         ModestTnySendQueue *send_queue;
1642
1643         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1644
1645         /* Get the server and the transport account */
1646         store_account = create_tny_account (self, account, TNY_ACCOUNT_TYPE_STORE, notify);
1647         if (!store_account || !TNY_IS_ACCOUNT(store_account)) {
1648                 g_warning ("%s: failed to create store account", __FUNCTION__);
1649                 return;
1650         }
1651
1652         transport_account = create_tny_account (self, account, TNY_ACCOUNT_TYPE_TRANSPORT, notify);
1653         if (!transport_account || !TNY_IS_ACCOUNT(transport_account)) {
1654                 g_warning ("%s: failed to create transport account", __FUNCTION__);
1655                 g_object_unref (store_account);
1656                 return;
1657         }
1658
1659         /* Add accounts to the lists */
1660         tny_list_append (priv->store_accounts, G_OBJECT (store_account));
1661         tny_list_append (priv->transport_accounts, G_OBJECT (transport_account));
1662
1663         /* Create a new pseudo-account with an outbox for this
1664            transport account and add it to the global outbox
1665            in the local account */
1666         add_outbox_from_transport_account_to_global_outbox (self, account, transport_account);  
1667
1668         /* Force the creation of the send queue, this way send queues
1669            will automatically send missing emails when the connections
1670            become active */
1671         send_queue = modest_runtime_get_send_queue ((TnyTransportAccount *) transport_account, TRUE);
1672
1673         /* Notify the observers. We do it after everything is
1674            created */
1675         if (notify) {
1676                 g_signal_emit (G_OBJECT (self), signals [ACCOUNT_INSERTED_SIGNAL], 0, store_account);   
1677                 g_signal_emit (G_OBJECT (self), signals [ACCOUNT_INSERTED_SIGNAL], 0, transport_account);
1678         }
1679
1680         /* Frees */
1681         g_object_unref (store_account);
1682         g_object_unref (transport_account);
1683 }
1684
1685 static inline gboolean
1686 only_local_accounts (ModestTnyAccountStore *self)
1687 {
1688         return (modest_tny_account_store_get_num_remote_accounts (self) > 0) ? FALSE : TRUE;
1689 }
1690
1691 static void
1692 on_account_inserted (ModestAccountMgr *acc_mgr, 
1693                      const gchar *account,
1694                      gpointer user_data)
1695 {
1696         gboolean add_specific;
1697
1698         add_specific = only_local_accounts (MODEST_TNY_ACCOUNT_STORE (user_data));
1699                 
1700         /* Insert the account and notify the observers */
1701         insert_account (MODEST_TNY_ACCOUNT_STORE (user_data), account, TRUE);
1702
1703         /* If it's the first remote account then add the connection
1704            specific SMTP servers as well */
1705         if (add_specific)
1706                 add_connection_specific_transport_accounts (MODEST_TNY_ACCOUNT_STORE (user_data));
1707
1708 }
1709
1710 /* This is the callback of the tny_camel_account_set_online called in
1711    on_account_removed to disconnect the account */
1712 static void
1713 on_account_disconnect_when_removing (TnyCamelAccount *account, 
1714                                      gboolean canceled, 
1715                                      GError *err, 
1716                                      gpointer user_data)
1717 {
1718         ModestTnyAccountStore *self;
1719         ModestTnyAccountStorePrivate *priv;
1720
1721         self = MODEST_TNY_ACCOUNT_STORE (user_data);
1722         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
1723
1724         /* Cancel all pending operations */
1725         tny_account_cancel (TNY_ACCOUNT (account));
1726         
1727         /* Unref the extra reference added by get_server_account */
1728         g_object_unref (account);
1729
1730         /* Clear the cache if it's an store account */
1731         if (TNY_IS_STORE_ACCOUNT (account)) {
1732                 tny_store_account_delete_cache (TNY_STORE_ACCOUNT (account));
1733         } else if (TNY_IS_TRANSPORT_ACCOUNT (account)) {
1734                 ModestTnySendQueue* send_queue;
1735                 send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT (account), FALSE);
1736                 if (TNY_IS_SEND_QUEUE (send_queue)) {
1737                         if (modest_tny_send_queue_sending_in_progress (send_queue))
1738                                 tny_send_queue_cancel (TNY_SEND_QUEUE (send_queue),
1739                                                        TNY_SEND_QUEUE_CANCEL_ACTION_REMOVE, 
1740                                                        NULL);
1741                         modest_runtime_remove_send_queue (TNY_TRANSPORT_ACCOUNT (account));
1742                 }
1743         }
1744 }
1745
1746 /*
1747  * We use this one for both removing "normal" and "connection
1748  * specific" transport accounts
1749  */
1750 static void
1751 remove_transport_account (ModestTnyAccountStore *self,
1752                           TnyTransportAccount *transport_account)
1753 {
1754         ModestTnyAccountStorePrivate *priv;
1755         TnyFolder *outbox = NULL;
1756         
1757         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
1758
1759         /* Remove it from the list of accounts and notify the
1760            observers. Do not need to wait for account
1761            disconnection */
1762         g_signal_emit (G_OBJECT (self), signals [ACCOUNT_REMOVED_SIGNAL], 0, transport_account);
1763         tny_list_remove (priv->transport_accounts, (GObject *) transport_account);
1764                 
1765         /* Remove the OUTBOX of the account from the global outbox */
1766         outbox = g_hash_table_lookup (priv->outbox_of_transport, transport_account);
1767
1768         if (TNY_IS_FOLDER (outbox)) {
1769                 TnyAccount *local_account = NULL;
1770                 TnyAccount *outbox_account = tny_folder_get_account (outbox);
1771
1772                 if (outbox_account) {
1773                         tny_list_remove (priv->store_accounts_outboxes, G_OBJECT (outbox_account));
1774                         /* Remove existing emails to send */
1775                         tny_store_account_delete_cache (TNY_STORE_ACCOUNT (outbox_account));
1776                         g_object_unref (outbox_account);
1777                 }
1778
1779                 local_account = modest_tny_account_store_get_local_folders_account (self);
1780                 modest_tny_local_folders_account_remove_folder_from_outbox (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (local_account),
1781                                                                             outbox);
1782
1783                 g_hash_table_remove (priv->outbox_of_transport, transport_account);
1784
1785                 /* Notify the change in the local account */
1786                 g_signal_emit (G_OBJECT (self), signals [ACCOUNT_CHANGED_SIGNAL], 0, local_account);
1787                 g_object_unref (local_account);
1788         } else {
1789                 g_warning ("Removing a transport account that has no outbox");
1790         }
1791
1792         /* Cancel all pending operations */
1793         tny_account_cancel (TNY_ACCOUNT (transport_account));
1794
1795         /* Disconnect and notify the observers. The callback will free the reference */
1796         tny_camel_account_set_online (TNY_CAMEL_ACCOUNT (transport_account), FALSE,
1797                                       on_account_disconnect_when_removing, self);
1798 }
1799
1800 static gboolean
1801 images_cache_remove_filter (TnyStreamCache *self, const gchar *id, const gchar *account_name)
1802 {
1803         gchar *account_name_with_separator;
1804         gboolean result;
1805         if (account_name == NULL || account_name[0] == '\0')
1806                 return FALSE;
1807
1808         if (id == NULL || id[0] == '\0')
1809                 return FALSE;
1810
1811         account_name_with_separator = g_strconcat (account_name, "__", NULL);
1812
1813         result = (g_str_has_prefix (id, account_name));
1814         g_free (account_name_with_separator);
1815
1816         return result;
1817 }
1818
1819 static void
1820 on_account_removed (ModestAccountMgr *acc_mgr, 
1821                     const gchar *account,
1822                     gpointer user_data)
1823 {
1824         TnyAccount *store_account = NULL, *transport_account = NULL;
1825         ModestTnyAccountStore *self;
1826         ModestTnyAccountStorePrivate *priv;
1827         TnyStreamCache *stream_cache;
1828         
1829         self = MODEST_TNY_ACCOUNT_STORE (user_data);
1830         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
1831
1832         /* Get the server and the transport account */
1833         store_account = 
1834                 modest_tny_account_store_get_server_account (self, account, 
1835                                                              TNY_ACCOUNT_TYPE_STORE);
1836         transport_account = 
1837                 modest_tny_account_store_get_server_account (self, account,
1838                                                              TNY_ACCOUNT_TYPE_TRANSPORT);
1839         
1840         /* If there was any problem creating the account, for example,
1841            with the configuration system this could not exist */
1842         if (TNY_IS_STORE_ACCOUNT(store_account)) {
1843                 /* Forget any cached password for the account */
1844                 forget_password_in_memory (self, tny_account_get_id (store_account));
1845
1846                 /* Remove it from the list of accounts and notify the
1847                    observers. Do not need to wait for account
1848                    disconnection */
1849                 tny_list_remove (priv->store_accounts, (GObject *) store_account);
1850                 g_signal_emit (G_OBJECT (self), signals [ACCOUNT_REMOVED_SIGNAL], 0, store_account);
1851
1852                 /* Cancel all pending operations */
1853                 tny_account_cancel (TNY_ACCOUNT (store_account));
1854
1855                 /* Disconnect before deleting the cache, because the
1856                    disconnection will rewrite the cache to the
1857                    disk */
1858                 tny_camel_account_set_online (TNY_CAMEL_ACCOUNT (store_account), FALSE,
1859                                               on_account_disconnect_when_removing, self);
1860         } else {
1861                 g_warning ("%s: no store account for account %s\n", 
1862                            __FUNCTION__, account);
1863         }
1864
1865         /* If there was any problem creating the account, for example,
1866            with the configuration system this could not exist */
1867         if (TNY_IS_TRANSPORT_ACCOUNT(transport_account)) {
1868
1869                 /* Forget any cached password for the account */
1870                 forget_password_in_memory (self, tny_account_get_id (transport_account));
1871
1872                 /* Remove transport account. It'll free the reference
1873                    added by get_server_account */
1874                 remove_transport_account (self, TNY_TRANSPORT_ACCOUNT (transport_account));
1875         } else {
1876                 g_warning ("%s: no transport account for account %s\n", 
1877                            __FUNCTION__, account);
1878         }
1879
1880         /* Remove cached images */
1881         stream_cache = modest_runtime_get_images_cache ();
1882         tny_stream_cache_remove (stream_cache, (TnyStreamCacheRemoveFilter) images_cache_remove_filter, (gpointer) account);
1883
1884         /* If there are no more user accounts then delete the
1885            transport specific SMTP servers */
1886         if (only_local_accounts (self))
1887                 remove_connection_specific_transport_accounts (self);
1888 }
1889
1890 TnyTransportAccount *
1891 modest_tny_account_store_new_connection_specific_transport_account (ModestTnyAccountStore *self,
1892                                                                     const gchar *name)
1893 {
1894         ModestTnyAccountStorePrivate *priv = NULL;
1895         TnyAccount * tny_account = NULL;
1896
1897         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1898
1899         /* Add the account: */
1900         tny_account = 
1901                 modest_tny_account_new_from_server_account_name (priv->account_mgr, 
1902                                                                  priv->session, 
1903                                                                  name,
1904                                                                  get_password,
1905                                                                  forget_password);
1906         if (tny_account) {
1907                 g_object_set_data (G_OBJECT(tny_account), 
1908                                    "account_store", 
1909                                    (gpointer)self);
1910                 g_object_set_data (G_OBJECT(tny_account), 
1911                                    "connection_specific", 
1912                                    GINT_TO_POINTER (TRUE));
1913                 
1914                 tny_list_append (priv->transport_accounts, G_OBJECT (tny_account));
1915                 add_outbox_from_transport_account_to_global_outbox (self, 
1916                                                                     name, 
1917                                                                     tny_account);
1918                 
1919         } else
1920                 g_printerr ("modest: failed to create smtp-specific account for %s\n",
1921                             name);
1922
1923         return TNY_TRANSPORT_ACCOUNT (tny_account);
1924 }
1925
1926 static void 
1927 foreach_free_string(gpointer data,
1928                     gpointer user_data)
1929 {
1930         g_free (data);
1931 }
1932
1933 static void
1934 add_connection_specific_transport_accounts (ModestTnyAccountStore *self)
1935 {
1936         ModestTnyAccountStorePrivate *priv = NULL;
1937         GSList *list_specifics = NULL, *iter = NULL;
1938         GError *err = NULL;
1939
1940         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1941
1942         list_specifics = modest_conf_get_list (modest_runtime_get_conf (),
1943                                                MODEST_CONF_CONNECTION_SPECIFIC_SMTP_LIST,
1944                                                MODEST_CONF_VALUE_STRING, &err);
1945         if (err) {
1946                 g_error_free (err);
1947                 g_return_if_reached ();
1948                 return;
1949         }
1950                                 
1951         /* Look at each connection-specific transport account for the 
1952          * modest account: */
1953         iter = list_specifics;
1954         while (iter) {
1955                 /* The list alternates between the connection name and the transport name: */
1956                 iter = g_slist_next (iter);
1957                 if (iter) {
1958                         const gchar* transport_account_name = (const gchar*) (iter->data);
1959                         TnyTransportAccount * account = NULL;
1960                         account = modest_tny_account_store_new_connection_specific_transport_account (
1961                                 self, transport_account_name);
1962                         if (account)
1963                                 g_object_unref (account);
1964                 }                               
1965                 iter = g_slist_next (iter);
1966         }
1967
1968         /* Free the list */
1969         g_slist_foreach (list_specifics, foreach_free_string, NULL);
1970         g_slist_free (list_specifics);
1971 }
1972
1973 static void
1974 remove_connection_specific_transport_accounts (ModestTnyAccountStore *self)
1975 {
1976         ModestTnyAccountStorePrivate *priv = NULL;
1977         GSList *list_specifics = NULL, *iter = NULL;
1978         GError *err = NULL;
1979
1980         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1981
1982         err = NULL;
1983         list_specifics = modest_conf_get_list (modest_runtime_get_conf (),
1984                                                MODEST_CONF_CONNECTION_SPECIFIC_SMTP_LIST,
1985                                                MODEST_CONF_VALUE_STRING, &err);
1986         if (err) {
1987                 g_error_free (err);
1988                 g_return_if_reached ();
1989                 return;
1990         }
1991                                 
1992         /* Look at each connection-specific transport account for the 
1993          * modest account: */
1994         iter = list_specifics;
1995         while (iter) {
1996                 /* The list alternates between the connection name and the transport name: */
1997                 iter = g_slist_next (iter);
1998                 if (iter) {
1999                         const gchar* transport_account_name = (const gchar*) (iter->data);
2000                         TnyAccount * account;
2001                         account = modest_tny_account_store_get_server_account (self,
2002                                                                                transport_account_name,
2003                                                                                TNY_ACCOUNT_TYPE_TRANSPORT);
2004
2005                         /* the call will free the reference */
2006                         if (account)
2007                                 remove_transport_account (self, TNY_TRANSPORT_ACCOUNT (account));
2008                 }                               
2009                 iter = g_slist_next (iter);
2010         }
2011
2012         /* Free the list */
2013         g_slist_foreach (list_specifics, foreach_free_string, NULL);
2014         g_slist_free (list_specifics);
2015 }
2016
2017
2018 TnyMsg *
2019 modest_tny_account_store_find_msg_in_outboxes (ModestTnyAccountStore *self, 
2020                                                const gchar *uri,
2021                                                TnyAccount **ac_out)
2022 {
2023         TnyIterator *acc_iter;
2024         ModestTnyAccountStorePrivate *priv;
2025         TnyMsg *msg = NULL;
2026         TnyAccount *msg_account = NULL;
2027
2028         g_return_val_if_fail (MODEST_IS_TNY_ACCOUNT_STORE (self), NULL);
2029         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
2030
2031         acc_iter = tny_list_create_iterator (priv->store_accounts_outboxes);
2032         while (!msg && !tny_iterator_is_done (acc_iter)) {
2033                 TnyList *folders = tny_simple_list_new ();
2034                 TnyAccount *account = TNY_ACCOUNT (tny_iterator_get_current (acc_iter));
2035                 TnyIterator *folders_iter = NULL;
2036
2037                 tny_folder_store_get_folders (TNY_FOLDER_STORE (account), folders, NULL, FALSE, NULL);
2038                 folders_iter = tny_list_create_iterator (folders);
2039
2040                 while (msg == NULL && !tny_iterator_is_done (folders_iter)) {
2041                         TnyFolder *folder = TNY_FOLDER (tny_iterator_get_current (folders_iter));
2042                         msg = tny_folder_find_msg (folder, uri, NULL);
2043
2044                         if (msg)
2045                                 msg_account = g_object_ref (account);
2046
2047                         g_object_unref (folder);
2048                         tny_iterator_next (folders_iter);
2049                 }
2050                 g_object_unref (folders_iter);
2051
2052                 g_object_unref (folders);
2053                 g_object_unref (account);
2054                 tny_iterator_next (acc_iter);
2055         }
2056
2057         g_object_unref (acc_iter);
2058
2059         if (ac_out != NULL)
2060                 *ac_out = msg_account;
2061
2062         return msg;
2063 }
2064
2065 TnyTransportAccount *
2066 modest_tny_account_store_get_transport_account_from_outbox_header(ModestTnyAccountStore *self, TnyHeader *header)
2067 {
2068         TnyIterator *acc_iter;
2069         ModestTnyAccountStorePrivate *priv;
2070         TnyTransportAccount *header_acc = NULL;
2071         gchar *msg_id;
2072
2073         g_return_val_if_fail (MODEST_IS_TNY_ACCOUNT_STORE (self), NULL);
2074         g_return_val_if_fail (TNY_IS_HEADER (header), NULL);
2075         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
2076         msg_id = modest_tny_send_queue_get_msg_id (header);
2077         acc_iter = tny_list_create_iterator (priv->transport_accounts);
2078         while (!header_acc && !tny_iterator_is_done (acc_iter)) {
2079                 TnyTransportAccount *account = TNY_TRANSPORT_ACCOUNT (tny_iterator_get_current (acc_iter));
2080                 ModestTnySendQueue *send_queue;
2081                 ModestTnySendQueueStatus status;
2082                 send_queue = modest_runtime_get_send_queue(TNY_TRANSPORT_ACCOUNT(account), TRUE);
2083                 if (TNY_IS_SEND_QUEUE (send_queue)) {
2084                         status = modest_tny_send_queue_get_msg_status(send_queue, msg_id);
2085                         if (status != MODEST_TNY_SEND_QUEUE_UNKNOWN)
2086                                 header_acc = g_object_ref(account);
2087                 }
2088                 g_object_unref (account);
2089                 tny_iterator_next (acc_iter);
2090         }
2091         g_object_unref(acc_iter);
2092         g_free (msg_id);
2093
2094         /* New reference */
2095         return header_acc;
2096 }
2097
2098 typedef struct {
2099         ModestTnyAccountStore *account_store;
2100         ModestTnyAccountStoreShutdownCallback callback;
2101         gpointer userdata;
2102         gint pending;
2103 } ShutdownOpData;
2104
2105 static void
2106 account_shutdown_callback (TnyCamelAccount *account, gboolean canceled, GError *err, gpointer userdata)
2107 {
2108         ShutdownOpData *op_data = (ShutdownOpData *) userdata;
2109         op_data->pending--;
2110         if (op_data->pending == 0) {
2111                 if (op_data->callback)
2112                         op_data->callback (op_data->account_store, op_data->userdata);
2113                 g_object_unref (op_data->account_store);
2114                 g_free (op_data);
2115         } else {
2116                 g_object_unref (op_data->account_store);
2117         }
2118 }
2119
2120 static void
2121 account_shutdown (TnyAccount *account, ShutdownOpData *op_data)
2122 {
2123         g_return_if_fail (account && TNY_IS_ACCOUNT(account));
2124
2125         if (TNY_IS_STORE_ACCOUNT (account) && 
2126             !modest_tny_folder_store_is_remote (TNY_FOLDER_STORE (account)))
2127                 goto frees;
2128
2129         /* Disconnect account */
2130         if (tny_account_get_connection_status (account) == TNY_CONNECTION_STATUS_CONNECTED) {
2131                 tny_camel_account_set_online (TNY_CAMEL_ACCOUNT(account), FALSE, 
2132                                               account_shutdown_callback, op_data);
2133                 return;
2134         }
2135
2136  frees:
2137         op_data->pending--;
2138         g_object_unref (op_data->account_store);
2139 }
2140
2141
2142 void
2143 modest_tny_account_store_shutdown (ModestTnyAccountStore *self,
2144                                    ModestTnyAccountStoreShutdownCallback callback,
2145                                    gpointer userdata)
2146 {
2147         gint i, num_accounts;
2148         ShutdownOpData *op_data;
2149         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
2150
2151         /* Get references */
2152         num_accounts = 0;
2153         if (priv->store_accounts)
2154                 num_accounts += tny_list_get_length (priv->store_accounts);
2155         if (priv->transport_accounts)
2156                 num_accounts += tny_list_get_length (priv->transport_accounts);
2157
2158         for (i = 0 ; i < num_accounts ; i++)
2159                 g_object_ref (self);
2160
2161         /* Create the helper object */
2162         op_data = g_new0 (ShutdownOpData, 1);
2163         op_data->callback = callback;
2164         op_data->userdata = userdata;
2165         op_data->pending = num_accounts;
2166         op_data->account_store = self;
2167
2168         /* Destroy all accounts. Disconnect all accounts before they are destroyed */
2169         if (priv->store_accounts) {
2170                 tny_list_foreach (priv->store_accounts, (GFunc)account_shutdown, op_data);
2171         }
2172
2173         if (priv->transport_accounts) {
2174                 tny_list_foreach (priv->transport_accounts, (GFunc)account_shutdown, op_data);
2175         }
2176
2177         if (op_data->pending == 0) {
2178                 if (op_data->callback)
2179                         op_data->callback (op_data->account_store, op_data->userdata);
2180                 g_free (op_data);
2181         }
2182 }
2183
2184 gboolean 
2185 modest_tny_account_store_is_send_mail_blocked (ModestTnyAccountStore *self)
2186 {
2187         ModestTnyAccountStorePrivate *priv;
2188
2189         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
2190
2191         return priv->send_mail_blocked;
2192 }
2193
2194 void 
2195 modest_tny_account_store_set_send_mail_blocked (ModestTnyAccountStore *self, 
2196                                                 gboolean blocked)
2197 {
2198         ModestTnyAccountStorePrivate *priv;
2199
2200         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
2201
2202         priv->send_mail_blocked = blocked;
2203 }
2204
2205 static void
2206 count_remote_accounts (gpointer data, gpointer user_data)
2207 {
2208         TnyFolderStore *account = TNY_FOLDER_STORE (data);
2209         gint *count = (gint *) user_data;
2210
2211         if (modest_tny_folder_store_is_remote (account))
2212                 (*count)++;
2213 }
2214
2215 guint
2216 modest_tny_account_store_get_num_remote_accounts (ModestTnyAccountStore *self)
2217 {
2218         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
2219         gint count = 0;
2220
2221         /* Count remote accounts */
2222         tny_list_foreach (priv->store_accounts, (GFunc) count_remote_accounts, &count);
2223
2224         return count;
2225 }