* more changes to the account management; now the following should work again:
[modest] / src / modest-tny-account-store.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <string.h>
31 #include <glib/gi18n.h>
32
33 #include <tny-account.h>
34 #include <tny-account-store.h>
35 #include <tny-store-account.h>
36 #include <tny-error.h>
37 #include <tny-transport-account.h>
38 #include <tny-simple-list.h>
39 #include <tny-account-store.h>
40 #include <tny-camel-transport-account.h>
41 #include <tny-camel-imap-store-account.h>
42 #include <tny-camel-pop-store-account.h>
43
44 #include <modest-runtime.h>
45 #include <modest-marshal.h>
46 #include <modest-protocol-info.h>
47 #include <modest-local-folder-info.h>
48 #include <modest-tny-account.h>
49 #include <modest-tny-local-folders-account.h>
50 #include <modest-account-mgr.h>
51 #include <modest-account-mgr-helpers.h>
52 #include <widgets/modest-window-mgr.h>
53 #include <modest-account-settings-dialog.h>
54 #include <maemo/modest-maemo-utils.h>
55
56
57 #include "modest-tny-account-store.h"
58 #include "modest-tny-platform-factory.h"
59 #include <tny-gtk-lockable.h>
60 #include <camel/camel.h>
61
62 #ifdef MODEST_PLATFORM_MAEMO
63 #include <tny-maemo-conic-device.h>
64 #ifdef MODEST_HAVE_HILDON0_WIDGETS
65 #include <hildon-widgets/hildon-note.h>
66 #include <hildon-widgets/hildon-banner.h>
67 #else
68 #include <hildon/hildon-note.h>
69 #include <hildon/hildon-banner.h>
70 #endif
71 #endif
72
73 #include <libgnomevfs/gnome-vfs-volume-monitor.h>
74
75 /* 'private'/'protected' functions */
76 static void    modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
77
78 static void    modest_tny_account_store_finalize     (GObject *obj);
79
80 static void    modest_tny_account_store_instance_init (ModestTnyAccountStore *obj);
81
82 static void    modest_tny_account_store_init          (gpointer g, gpointer iface_data);
83
84 static void    modest_tny_account_store_base_init     (gpointer g_class);
85
86 static void    on_account_inserted         (ModestAccountMgr *acc_mgr, 
87                                             const gchar *account,
88                                             gpointer user_data);
89
90 static void    add_existing_accounts       (ModestTnyAccountStore *self);
91
92 static void    insert_account              (ModestTnyAccountStore *self,
93                                             const gchar *account,
94                                             gboolean notify);
95
96 static void    on_account_removed          (ModestAccountMgr *acc_mgr, 
97                                             const gchar *account,
98                                             gpointer user_data);
99
100 static gchar*  get_password                (TnyAccount *account, 
101                                             const gchar * prompt_not_used, 
102                                             gboolean *cancel);
103
104 static void    forget_password             (TnyAccount *account);
105
106 static void    on_vfs_volume_mounted       (GnomeVFSVolumeMonitor *volume_monitor, 
107                                             GnomeVFSVolume *volume, 
108                                             gpointer user_data);
109
110 static void    on_vfs_volume_unmounted     (GnomeVFSVolumeMonitor *volume_monitor, 
111                                             GnomeVFSVolume *volume, 
112                                             gpointer user_data);
113
114 static void    modest_tny_account_store_forget_password_in_memory (ModestTnyAccountStore *self, 
115                                                                    const gchar *server_account_name);
116
117 static void    add_connection_specific_transport_accounts         (ModestTnyAccountStore *self,
118                                                                    const gchar *account_name);
119
120 /* list my signals */
121 enum {
122         ACCOUNT_CHANGED_SIGNAL,
123         ACCOUNT_INSERTED_SIGNAL,
124         ACCOUNT_REMOVED_SIGNAL,
125
126         PASSWORD_REQUESTED_SIGNAL,
127         LAST_SIGNAL
128 };
129
130 typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
131 struct _ModestTnyAccountStorePrivate {
132         gchar              *cache_dir;  
133         GHashTable         *password_hash;
134         GHashTable         *account_settings_dialog_hash;
135         ModestAccountMgr   *account_mgr;
136         TnySessionCamel    *session;
137         TnyDevice          *device;
138
139         gulong acc_inserted_handler;
140         gulong acc_changed_handler;
141         gulong acc_removed_handler;
142         gulong volume_mounted_handler;
143         gulong volume_unmounted_handler;
144         
145         /* We cache the lists of accounts here */
146         TnyList             *store_accounts;
147         TnyList             *transport_accounts;
148         TnyList             *store_accounts_outboxes;
149 };
150
151 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
152                                                       MODEST_TYPE_TNY_ACCOUNT_STORE, \
153                                                       ModestTnyAccountStorePrivate))
154
155 /* globals */
156 static GObjectClass *parent_class = NULL;
157
158 static guint signals[LAST_SIGNAL] = {0};
159
160 GType
161 modest_tny_account_store_get_type (void)
162 {
163         static GType my_type = 0;
164
165         if (!my_type) {
166                 static const GTypeInfo my_info = {
167                         sizeof(ModestTnyAccountStoreClass),
168                         modest_tny_account_store_base_init,     /* base init */
169                         NULL,           /* base finalize */
170                         (GClassInitFunc) modest_tny_account_store_class_init,
171                         NULL,           /* class finalize */
172                         NULL,           /* class data */
173                         sizeof(ModestTnyAccountStore),
174                         0,              /* n_preallocs */
175                         (GInstanceInitFunc) modest_tny_account_store_instance_init,
176                         NULL
177                 };
178
179                 static const GInterfaceInfo iface_info = {
180                         (GInterfaceInitFunc) modest_tny_account_store_init,
181                         NULL,         /* interface_finalize */
182                         NULL          /* interface_data */
183                 };
184                 /* hack hack */
185                 my_type = g_type_register_static (G_TYPE_OBJECT,
186                                                   "ModestTnyAccountStore",
187                                                   &my_info, 0);
188                 g_type_add_interface_static (my_type, TNY_TYPE_ACCOUNT_STORE,
189                                              &iface_info);
190         }
191         return my_type;
192 }
193
194
195 static void
196 modest_tny_account_store_base_init (gpointer g_class)
197 {
198         static gboolean tny_account_store_initialized = FALSE;
199
200         if (!tny_account_store_initialized) {
201
202                 signals[ACCOUNT_CHANGED_SIGNAL] =
203                         g_signal_new ("account_changed",
204                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
205                                       G_SIGNAL_RUN_FIRST,
206                                       G_STRUCT_OFFSET (ModestTnyAccountStoreClass, account_changed),
207                                       NULL, NULL,
208                                       g_cclosure_marshal_VOID__OBJECT,
209                                       G_TYPE_NONE, 1, TNY_TYPE_ACCOUNT);
210
211                 signals[ACCOUNT_INSERTED_SIGNAL] =
212                         g_signal_new ("account_inserted",
213                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
214                                       G_SIGNAL_RUN_FIRST,
215                                       G_STRUCT_OFFSET (ModestTnyAccountStoreClass, account_inserted),
216                                       NULL, NULL,
217                                       g_cclosure_marshal_VOID__OBJECT,
218                                       G_TYPE_NONE, 1, TNY_TYPE_ACCOUNT);
219                 
220                 signals[ACCOUNT_REMOVED_SIGNAL] =
221                         g_signal_new ("account_removed",
222                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
223                                       G_SIGNAL_RUN_FIRST,
224                                       G_STRUCT_OFFSET (ModestTnyAccountStoreClass, account_removed),
225                                       NULL, NULL,
226                                       g_cclosure_marshal_VOID__OBJECT,
227                                       G_TYPE_NONE, 1, TNY_TYPE_ACCOUNT);
228                 
229 /*              signals[TNY_ACCOUNT_STORE_CONNECTING_FINISHED] = */
230 /*                      g_signal_new ("connecting_finished", */
231 /*                                    TNY_TYPE_ACCOUNT_STORE, */
232 /*                                    G_SIGNAL_RUN_FIRST, */
233 /*                                    G_STRUCT_OFFSET (TnyAccountStoreIface, connecting_finished), */
234 /*                                    NULL, NULL, */
235 /*                                    g_cclosure_marshal_VOID__VOID,  */
236 /*                                    G_TYPE_NONE, 0); */
237
238                 signals[PASSWORD_REQUESTED_SIGNAL] =
239                         g_signal_new ("password_requested",
240                                       MODEST_TYPE_TNY_ACCOUNT_STORE,
241                                       G_SIGNAL_RUN_FIRST,
242                                       G_STRUCT_OFFSET(ModestTnyAccountStoreClass, password_requested),
243                                       NULL, NULL,
244                                       modest_marshal_VOID__STRING_POINTER_POINTER_POINTER_POINTER,
245                                       G_TYPE_NONE, 5, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER,
246                                       G_TYPE_POINTER);          
247
248                 tny_account_store_initialized = TRUE;
249         }
250 }
251
252
253 static void
254 modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
255 {
256         GObjectClass *gobject_class;
257         gobject_class = (GObjectClass*) klass;
258
259         parent_class            = g_type_class_peek_parent (klass);
260         gobject_class->finalize = modest_tny_account_store_finalize;
261
262         g_type_class_add_private (gobject_class,
263                                   sizeof(ModestTnyAccountStorePrivate));
264 }
265      
266 static void
267 modest_tny_account_store_instance_init (ModestTnyAccountStore *obj)
268 {
269         GnomeVFSVolumeMonitor* monitor = NULL;
270         ModestTnyAccountStorePrivate *priv;
271
272         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
273
274         priv->cache_dir              = NULL;
275         priv->account_mgr            = NULL;
276         priv->session                = NULL;
277         priv->device                 = NULL;
278         
279         /* An in-memory store of passwords, 
280          * for passwords that are not remembered in the configuration,
281          * so they need to be asked for from the user once in each session:
282          */
283         priv->password_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
284                                                      g_free, g_free);
285                                                              
286         /* A hash-map of modest account names to dialog pointers,
287          * so we can avoid showing the account settings twice for the same modest account: */                                 
288         priv->account_settings_dialog_hash = g_hash_table_new_full (g_str_hash, g_str_equal, 
289                                                                     g_free, NULL);
290                                                               
291         /* Respond to volume mounts and unmounts, such 
292          * as the insertion/removal of the memory card: */
293         monitor = gnome_vfs_get_volume_monitor();
294
295         priv->volume_mounted_handler = g_signal_connect (G_OBJECT(monitor), 
296                                                          "volume-mounted",
297                                                          G_CALLBACK(on_vfs_volume_mounted),
298                                                          obj);
299
300         priv->volume_unmounted_handler = g_signal_connect (G_OBJECT(monitor), "volume-unmounted",
301                                                            G_CALLBACK(on_vfs_volume_unmounted),
302                                                            obj);
303 }
304
305 /* disconnect the list of TnyAccounts */
306 static void
307 foreach_account_disconnect (gpointer data, 
308                             gpointer user_data)
309 {
310         tny_camel_account_set_online (TNY_CAMEL_ACCOUNT(data), FALSE, NULL);
311 }
312
313
314 static void
315 foreach_account_append_to_list (gpointer data, 
316                                 gpointer user_data)
317 {
318         TnyList *list;
319
320         list = TNY_LIST (user_data);
321         tny_list_append (list, G_OBJECT (data));
322 }
323
324 /********************************************************************/
325 /*           Control the state of the MMC local account             */
326 /********************************************************************/
327 static void
328 on_vfs_volume_mounted(GnomeVFSVolumeMonitor *volume_monitor, 
329                       GnomeVFSVolume *volume, 
330                       gpointer user_data)
331 {
332         ModestTnyAccountStore *self;
333         ModestTnyAccountStorePrivate *priv;
334  
335         gchar *uri = NULL;
336
337         self = MODEST_TNY_ACCOUNT_STORE(user_data);
338         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
339         
340         /* Check whether this was the external MMC1 card: */
341         uri = gnome_vfs_volume_get_activation_uri (volume);
342
343         if (uri && (!strcmp (uri, MODEST_MCC1_VOLUMEPATH_URI))) {
344                 TnyAccount *mmc_account;
345
346                 mmc_account = modest_tny_account_new_for_local_folders (priv->account_mgr, 
347                                                                         priv->session, 
348                                                                         MODEST_MCC1_VOLUMEPATH);
349
350                 /* Add to the list of store accounts */
351                 tny_list_append (priv->store_accounts, G_OBJECT (mmc_account));
352
353                 g_signal_emit (G_OBJECT (self), 
354                                signals [ACCOUNT_INSERTED_SIGNAL],
355                                0, mmc_account);
356                 /* Free */
357                 g_object_unref (mmc_account);
358         }
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
371         self = MODEST_TNY_ACCOUNT_STORE(user_data);
372         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
373         
374         /* Check whether this was the external MMC1 card: */
375         uri = gnome_vfs_volume_get_activation_uri (volume);
376         if (uri && (strcmp (uri, MODEST_MCC1_VOLUMEPATH_URI) == 0)) {
377                 TnyAccount *mmc_account = NULL;
378                 gboolean found = FALSE;
379                 TnyIterator *iter = NULL;
380
381                 iter = tny_list_create_iterator (priv->store_accounts);
382                 while (!tny_iterator_is_done (iter) && !found) {
383                         TnyAccount *account;
384
385                         account = TNY_ACCOUNT (tny_iterator_get_current (iter));
386                         if (modest_tny_account_is_memory_card_account (account)) {
387                                 found = TRUE;
388                                 mmc_account = g_object_ref (account);
389                         }
390                         g_object_unref (account);
391                         tny_iterator_next (iter);
392                 }
393                 g_object_unref (iter);
394
395                 if (found) {
396                         /* Remove from the list */
397                         tny_list_remove (priv->store_accounts, G_OBJECT (mmc_account));
398                        
399                         /* Notify observers */
400                         g_signal_emit (G_OBJECT (self),
401                                        signals [ACCOUNT_REMOVED_SIGNAL],
402                                        0, mmc_account);
403
404                         g_object_unref (mmc_account);
405                 } else {
406                         g_warning ("%s: there was no store account for the unmounted MMC",
407                                    __FUNCTION__);
408                 }
409         }
410         g_free (uri);
411 }
412
413 /**
414  * modest_tny_account_store_forget_password_in_memory
415  * @self: a TnyAccountStore instance
416  * @account: A server account.
417  * 
418  * Forget any password stored in memory for this account.
419  * For instance, this should be called when the user has changed the password in the account settings.
420  */
421 static void
422 modest_tny_account_store_forget_password_in_memory (ModestTnyAccountStore *self, const gchar * server_account_name)
423 {
424         /* printf ("DEBUG: %s\n", __FUNCTION__); */
425         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
426
427         if (server_account_name && priv->password_hash) {
428                 g_hash_table_remove (priv->password_hash, server_account_name);
429         }
430 }
431
432
433 static gboolean
434 update_tny_account_for_account (ModestTnyAccountStore *self, ModestAccountMgr *acc_mgr,
435                                 const gchar *account_name, TnyAccountType type)
436 {
437         ModestTnyAccountStorePrivate *priv;
438         TnyList* account_list;
439         gboolean found = FALSE;
440         TnyIterator *iter = NULL;
441
442         g_return_val_if_fail (self, FALSE);
443         g_return_val_if_fail (account_name, FALSE);
444         g_return_val_if_fail (type == TNY_ACCOUNT_TYPE_STORE || 
445                               type == TNY_ACCOUNT_TYPE_TRANSPORT,
446                               FALSE);
447
448         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
449         account_list = (type == TNY_ACCOUNT_TYPE_STORE ? priv->store_accounts : priv->transport_accounts);
450         
451         iter = tny_list_create_iterator (account_list);
452         while (!tny_iterator_is_done (iter) && !found) {
453                 TnyAccount *tny_account;
454                 tny_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
455                 if (tny_account) {
456                         const gchar* parent_name =
457                                 modest_tny_account_get_parent_modest_account_name_for_server_account (tny_account);
458                         if (parent_name && strcmp (parent_name, account_name) == 0) {
459                                 found = TRUE;
460                                 modest_tny_account_update_from_account (tny_account, acc_mgr, account_name, type);
461                                 g_signal_emit (G_OBJECT(self), signals[ACCOUNT_CHANGED_SIGNAL], 0, tny_account);
462                         }
463                         g_object_unref (tny_account);
464                 }
465                 tny_iterator_next (iter);
466         }
467
468         if (iter)
469                 g_object_unref (iter);
470         
471         return found;
472 }
473
474
475 static void
476 on_account_changed (ModestAccountMgr *acc_mgr, 
477                     const gchar *account_name, 
478                     gpointer user_data)
479 {
480         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
481
482         g_debug ("DEBUG: modest: %s\n", __FUNCTION__);
483
484         /* Ignore the change if it's a change in the last_updated value */
485 //      if (key && g_str_has_suffix ((const gchar *) key, MODEST_ACCOUNT_LAST_UPDATED))
486 //              return;
487         
488         if (!update_tny_account_for_account (self, acc_mgr, account_name, TNY_ACCOUNT_TYPE_STORE))
489                 g_warning ("%s: failed to update store account for %s", __FUNCTION__, account_name);
490         if (!update_tny_account_for_account (self, acc_mgr, account_name, TNY_ACCOUNT_TYPE_TRANSPORT))
491                 g_warning ("%s: failed to update transport account for %s", __FUNCTION__, account_name);
492 }
493
494 static void 
495 on_account_settings_hide (GtkWidget *widget, gpointer user_data)
496 {
497         TnyAccount *account = (TnyAccount*)user_data;
498         
499         /* This is easier than using a struct for the user_data: */
500         ModestTnyAccountStore *self = modest_runtime_get_account_store();
501         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
502         
503         const gchar *modest_account_name = 
504                         modest_tny_account_get_parent_modest_account_name_for_server_account (account);
505         if (modest_account_name)
506                 g_hash_table_remove (priv->account_settings_dialog_hash, modest_account_name);
507 }
508
509 static gboolean 
510 on_idle_wrong_password_warning_only (gpointer user_data)
511 {
512         gdk_threads_enter();
513         
514         ModestWindow *main_window = 
515                                 modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
516                                 
517         /* Show an explanatory temporary banner: */
518         hildon_banner_show_information ( 
519                 GTK_WIDGET(main_window), NULL, _("mcen_ib_username_pw_incorrect"));
520                 
521         gdk_threads_leave();
522         
523         return FALSE; /* Don't show again. */
524 }
525                 
526 static gboolean 
527 on_idle_wrong_password (gpointer user_data)
528
529         TnyAccount *account = (TnyAccount*)user_data;
530         /* This is easier than using a struct for the user_data: */
531         ModestTnyAccountStore *self = modest_runtime_get_account_store();
532         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
533         
534         const gchar *modest_account_name = 
535                         modest_tny_account_get_parent_modest_account_name_for_server_account (account);
536         if (!modest_account_name) {
537                 g_warning ("%s: modest_tny_account_get_parent_modest_account_name_for_server_account() failed.\n", 
538                         __FUNCTION__);
539                         
540                 g_object_unref (account);
541                 return FALSE;
542         }
543         
544         
545         /* Check whether this window is already open,
546          * for instance because of a previous get_password() call: 
547          */
548         gpointer dialog_as_gpointer = NULL;
549         gboolean found = FALSE;
550         if (priv->account_settings_dialog_hash) {
551                 found = g_hash_table_lookup_extended (priv->account_settings_dialog_hash,
552                         modest_account_name, NULL, (gpointer*)&dialog_as_gpointer);
553         }
554         ModestAccountSettingsDialog *dialog = dialog_as_gpointer;
555                                         
556         ModestWindow *main_window = 
557                                 modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
558
559         gdk_threads_enter ();
560         gboolean created_dialog = FALSE;
561         if (!found || !dialog) {
562                 dialog = modest_account_settings_dialog_new ();
563                 modest_account_settings_dialog_set_account_name (dialog, modest_account_name);
564                 modest_account_settings_dialog_switch_to_user_info (dialog);
565                 
566                 g_hash_table_insert (priv->account_settings_dialog_hash, g_strdup (modest_account_name), dialog);
567                 
568                 created_dialog = TRUE;
569         }
570         
571         /* Show an explanatory temporary banner: */
572         hildon_banner_show_information ( 
573                 GTK_WIDGET(dialog), NULL, _("mcen_ib_username_pw_incorrect"));
574                 
575         if (created_dialog) {
576                 /* Forget it when it closes: */
577                 g_signal_connect_object (G_OBJECT (dialog), "hide", G_CALLBACK (on_account_settings_hide), 
578                         account, 0);
579                         
580                 /* Show it and delete it when it closes: */
581                 modest_maemo_show_dialog_and_forget (GTK_WINDOW (main_window), GTK_DIALOG (dialog));
582         }
583         else {
584                 /* Just show it instead of showing it and deleting it when it closes,
585                  * though it is probably open already: */
586                 gtk_window_present (GTK_WINDOW (dialog));
587         }
588         
589         g_object_unref (account);
590         gdk_threads_leave ();
591         
592         return FALSE; /* Dont' call this again. */
593 }
594
595 typedef struct 
596 {
597         GMainLoop *loop;
598         ModestTnyAccountStore* account_store;
599         const gchar* server_account_id;
600         gchar **username;
601         gchar **password;
602         gboolean *cancel;
603         gboolean *remember;
604 } IdlePasswordRequest;
605
606 static gboolean 
607 on_idle_request_password (gpointer user_data)
608 {
609         gdk_threads_enter();
610         
611         IdlePasswordRequest* info = (IdlePasswordRequest*)user_data;
612         g_signal_emit (G_OBJECT(info->account_store), signals[PASSWORD_REQUESTED_SIGNAL], 0,
613                                info->server_account_id, /* server_account_name */
614                                info->username, info->password, info->cancel, info->remember);
615                                
616         if (info->loop)
617                 g_main_loop_quit (info->loop);
618         
619         gdk_threads_leave();
620         
621         return FALSE; /* Don't call again. */
622 }
623
624 static void
625 request_password_in_main_loop_and_wait (ModestTnyAccountStore *account_store, 
626                                          const gchar* server_account_id,
627                                          gchar **username,
628                                          gchar **password,
629                                          gboolean *cancel, 
630                                          gboolean *remember)
631 {
632         IdlePasswordRequest *data = g_slice_new0 (IdlePasswordRequest);
633         data->account_store = account_store;
634         data->server_account_id = server_account_id;
635         data->username = username;
636         data->password = password;
637         data->cancel = cancel;
638         data->remember = remember;
639
640         data->loop = g_main_loop_new (NULL, FALSE /* not running */);
641         
642         /* Cause the function to be run in an idle-handler, which is always 
643          * in the main thread:
644          */
645         g_idle_add (&on_idle_request_password, data);
646         
647         /* This main loop will run until the idle handler has stopped it: */
648         printf ("DEBUG: %s: before g_main_loop_run()\n", __FUNCTION__);
649         GDK_THREADS_LEAVE();
650         g_main_loop_run (data->loop);
651         GDK_THREADS_ENTER();
652         printf ("DEBUG: %s: after g_main_loop_run()\n", __FUNCTION__);
653         printf ("DEBUG: %s: Finished\n", __FUNCTION__);
654         g_main_loop_unref (data->loop);
655
656         g_slice_free (IdlePasswordRequest, data);
657 }
658
659 /* This callback will be called by Tinymail when it needs the password
660  * from the user or the account settings.
661  * It can also call forget_password() before calling this,
662  * so that we clear wrong passwords out of our account settings.
663  * Note that TnyAccount here will be the server account. */
664 static gchar*
665 get_password (TnyAccount *account, const gchar * prompt_not_used, gboolean *cancel)
666 {
667         /* TODO: Settting cancel to FALSE does not actually cancel everything.
668          * We still get multiple requests afterwards, so we end up showing the 
669          * same dialogs repeatedly.
670          */
671          
672         printf ("DEBUG: modest: %s: prompt (not shown) = %s\n", __FUNCTION__, prompt_not_used);
673           
674         g_return_val_if_fail (account, NULL);
675           
676         const TnyAccountStore *account_store = NULL;
677         ModestTnyAccountStore *self = NULL;
678         ModestTnyAccountStorePrivate *priv;
679         gchar *username = NULL;
680         gchar *pwd = NULL;
681         gpointer pwd_ptr = NULL;
682         gboolean already_asked = FALSE;
683
684         /* Initialize the output parameter: */
685         if (cancel)
686                 *cancel = FALSE;
687                 
688         const gchar *server_account_name = tny_account_get_id (account);
689         account_store = TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
690                                                              "account_store"));
691
692         if (!server_account_name || !account_store) {
693                 g_warning ("modest: %s: could not retrieve account_store for account %s",
694                            __FUNCTION__, server_account_name ? server_account_name : "<NULL>");
695                 if (cancel)
696                         *cancel = TRUE;
697                 
698                 return NULL;
699         }
700
701         self = MODEST_TNY_ACCOUNT_STORE (account_store);
702         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
703         
704         /* This hash map stores passwords, including passwords that are not stored in gconf. */
705         /* Is it in the hash? if it's already there, it must be wrong... */
706         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
707                                    * type-punned ptrs...*/
708         already_asked = priv->password_hash && 
709                                 g_hash_table_lookup_extended (priv->password_hash,
710                                                       server_account_name,
711                                                       NULL,
712                                                       (gpointer*)&pwd_ptr);
713                                                       
714         printf ("DEBUG: modest: %s: Already asked = %d\n", __FUNCTION__, already_asked);
715
716         /* If the password is not already there, try ModestConf */
717         if (!already_asked) {
718                 pwd  = modest_server_account_get_password (priv->account_mgr,
719                                                       server_account_name);
720                 g_hash_table_insert (priv->password_hash, g_strdup (server_account_name), g_strdup (pwd));
721         }
722
723         /* If it was already asked, it must have been wrong, so ask again */
724         if (already_asked || !pwd || strlen(pwd) == 0) {
725                 /* As per the UI spec, if no password was set in the account settings, 
726                  * ask for it now. But if the password is wrong in the account settings, 
727                  * then show a banner and the account settings dialog so it can be corrected:
728                  */
729                 const gboolean settings_have_password = 
730                         modest_server_account_get_has_password (priv->account_mgr, server_account_name);
731                 printf ("DEBUG: modest: %s: settings_have_password=%d\n", __FUNCTION__, settings_have_password);
732                 if (settings_have_password) {
733         
734                         
735                         /* The password must be wrong, so show the account settings dialog so it can be corrected: */
736                         /* We show it in the main loop, because this function might not be in the main loop. */
737                         g_object_ref (account); /* unrefed in the idle handler. */
738                         g_idle_add (on_idle_wrong_password, account);
739                         
740                         if (cancel)
741                                 *cancel = TRUE;
742                                 
743                         return NULL;
744                 }
745         
746                 /* we don't have it yet. Get the password from the user */
747                 const gchar* account_id = tny_account_get_id (account);
748                 gboolean remember = FALSE;
749                 pwd = NULL;
750                 
751                 if (already_asked) {
752                         /* Show an info banner, before we show the protected password dialog: */
753                         g_idle_add (on_idle_wrong_password_warning_only, NULL);
754                 }
755                 
756                 request_password_in_main_loop_and_wait (self, account_id, 
757                                &username, &pwd, cancel, &remember);
758                 
759                 if (!*cancel) {
760                         /* The password will be returned as the result,
761                          * but we need to tell tinymail about the username too: */
762                         tny_account_set_user (account, username);
763                         
764                         /* Do not save the password in gconf, 
765                          * because the UI spec says "The password will never be saved in the account": */
766                         /*
767                         if (remember) {
768                                 printf ("%s: Storing username=%s, password=%s\n", 
769                                         __FUNCTION__, username, pwd);
770                                 modest_server_account_set_username (priv->account_mgr, server_account_name,
771                                                                username);
772                                 modest_server_account_set_password (priv->account_mgr, server_account_name,
773                                                                pwd);
774                         }
775                         */
776
777                         /* We need to dup the string even knowing that
778                            it's already a dup of the contents of an
779                            entry, because it if it's wrong, then camel
780                            will free it */
781                         g_hash_table_insert (priv->password_hash, g_strdup (server_account_name), g_strdup(pwd));
782                 } else {
783                         g_hash_table_remove (priv->password_hash, server_account_name);
784                         
785                         g_free (pwd);
786                         pwd = NULL;
787                 }
788
789                 g_free (username);
790                 username = NULL;
791         } else
792                 *cancel = FALSE;
793  
794     /* printf("  DEBUG: %s: returning %s\n", __FUNCTION__, pwd); */
795         
796         return pwd;
797 }
798
799 /* tinymail calls this if the connection failed due to an incorrect password.
800  * And it seems to call this for any general connection failure. */
801 static void
802 forget_password (TnyAccount *account)
803 {
804         printf ("DEBUG: %s\n", __FUNCTION__);
805         ModestTnyAccountStore *self;
806         ModestTnyAccountStorePrivate *priv;
807         const TnyAccountStore *account_store;
808         gchar *pwd;
809         const gchar *key;
810         
811         account_store = TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
812                                                              "account_store"));
813         self = MODEST_TNY_ACCOUNT_STORE (account_store);
814         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
815         key  = tny_account_get_id (account);
816
817         /* Do not remove the key, this will allow us to detect that we
818            have already asked for it at least once */
819         pwd = g_hash_table_lookup (priv->password_hash, key);
820         if (pwd) {
821                 memset (pwd, 0, strlen (pwd));
822                 g_hash_table_insert (priv->password_hash, g_strdup (key), NULL);
823         }
824
825         /* Remove from configuration system */
826         /*
827         modest_account_mgr_unset (priv->account_mgr,
828                                   key, MODEST_ACCOUNT_PASSWORD, TRUE);
829         */
830 }
831
832 static void
833 modest_tny_account_store_finalize (GObject *obj)
834 {
835         GnomeVFSVolumeMonitor *volume_monitor;
836         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
837         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
838
839         g_free (priv->cache_dir);
840         priv->cache_dir = NULL;
841         
842         if (priv->password_hash) {
843                 g_hash_table_destroy (priv->password_hash);
844                 priv->password_hash = NULL;
845         }
846
847         /* Disconnect VFS signals */
848         volume_monitor = gnome_vfs_get_volume_monitor ();
849         if (g_signal_handler_is_connected (volume_monitor, 
850                                            priv->volume_mounted_handler))
851                 g_signal_handler_disconnect (volume_monitor, 
852                                              priv->volume_mounted_handler);
853         if (g_signal_handler_is_connected (volume_monitor, 
854                                            priv->volume_unmounted_handler))
855                 g_signal_handler_disconnect (volume_monitor, 
856                                              priv->volume_unmounted_handler);
857
858         if (priv->account_mgr) {
859                 /* Disconnect signals */
860                 if (g_signal_handler_is_connected (priv->account_mgr, 
861                                                    priv->acc_inserted_handler))
862                         g_signal_handler_disconnect (priv->account_mgr, 
863                                                      priv->acc_inserted_handler);
864                 if (g_signal_handler_is_connected (priv->account_mgr, 
865                                                    priv->acc_changed_handler))
866                         g_signal_handler_disconnect (priv->account_mgr, 
867                                                      priv->acc_changed_handler);
868                 if (g_signal_handler_is_connected (priv->account_mgr, 
869                                                    priv->acc_removed_handler))
870                         g_signal_handler_disconnect (priv->account_mgr, 
871                                                      priv->acc_removed_handler);
872
873                 g_object_unref (G_OBJECT(priv->account_mgr));
874                 priv->account_mgr = NULL;
875         }
876
877         if (priv->device) {
878                 g_object_unref (G_OBJECT(priv->device));
879                 priv->device = NULL;
880         }
881
882         /* Destroy all accounts. Disconnect all accounts before they are destroyed */
883         if (priv->store_accounts) {
884                 tny_list_foreach (priv->store_accounts, foreach_account_disconnect, NULL);
885                 g_object_unref (priv->store_accounts);
886                 priv->store_accounts = NULL;
887         }
888
889         if (priv->transport_accounts) {
890                 tny_list_foreach (priv->transport_accounts, foreach_account_disconnect, NULL);
891                 g_object_unref (priv->transport_accounts);
892                 priv->transport_accounts = NULL;
893         }
894
895         if (priv->store_accounts_outboxes) {
896                 g_object_unref (priv->store_accounts_outboxes);
897                 priv->store_accounts_outboxes = NULL;
898         }
899                 
900         if (priv->session) {
901                 camel_object_unref (CAMEL_OBJECT(priv->session));
902                 priv->session = NULL;
903         }
904         
905         G_OBJECT_CLASS(parent_class)->finalize (obj);
906 }
907
908
909 ModestTnyAccountStore*
910 modest_tny_account_store_new (ModestAccountMgr *account_mgr, 
911                               TnyDevice *device) 
912 {
913         GObject *obj;
914         ModestTnyAccountStorePrivate *priv;
915         TnyAccount *local_account = NULL;
916         
917         g_return_val_if_fail (account_mgr, NULL);
918         g_return_val_if_fail (device, NULL);
919
920         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
921         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
922
923         priv->account_mgr = g_object_ref (G_OBJECT(account_mgr));
924         priv->device = g_object_ref (device);
925         
926         priv->session = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
927         if (!priv->session) {
928                 g_warning ("failed to get TnySessionCamel");
929                 return NULL;
930         }
931
932         /* Set the ui locker */ 
933         tny_session_camel_set_ui_locker (priv->session,  tny_gtk_lockable_new ());
934                 
935         /* Connect signals */
936         priv->acc_inserted_handler = g_signal_connect (G_OBJECT(account_mgr), "account_inserted",
937                                                       G_CALLBACK (on_account_inserted), obj);
938         priv->acc_changed_handler = g_signal_connect (G_OBJECT(account_mgr), "account_changed",
939                                                       G_CALLBACK (on_account_changed), obj);
940         priv->acc_removed_handler = g_signal_connect (G_OBJECT(account_mgr), "account_removed",
941                                                       G_CALLBACK (on_account_removed), obj);
942
943         /* Create the lists of accounts */
944         priv->store_accounts = tny_simple_list_new ();
945         priv->transport_accounts = tny_simple_list_new ();
946         priv->store_accounts_outboxes = tny_simple_list_new ();
947
948         /* Create the local folders account */
949         local_account = 
950                 modest_tny_account_new_for_local_folders (priv->account_mgr, priv->session, NULL);
951         tny_list_append (priv->store_accounts, G_OBJECT(local_account));
952         g_object_unref (local_account); 
953
954         /* Add the other remote accounts. Do this before adding the
955            local account, because we need to add our outboxes to the
956            global OUTBOX hosted in the local account */
957         add_existing_accounts (MODEST_TNY_ACCOUNT_STORE (obj));
958
959         return MODEST_TNY_ACCOUNT_STORE(obj);
960 }
961
962 static void
963 modest_tny_account_store_get_accounts  (TnyAccountStore *self, 
964                                         TnyList *list,
965                                         TnyGetAccountsRequestType request_type)
966 {
967         ModestTnyAccountStorePrivate *priv;
968         
969         g_return_if_fail (self);
970         g_return_if_fail (TNY_IS_LIST(list));
971         
972         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
973         
974         switch (request_type) {
975         case TNY_ACCOUNT_STORE_BOTH:
976                 tny_list_foreach (priv->store_accounts, foreach_account_append_to_list, list);
977                 tny_list_foreach (priv->transport_accounts, foreach_account_append_to_list, list);
978                 break;
979         case TNY_ACCOUNT_STORE_STORE_ACCOUNTS:
980                 tny_list_foreach (priv->store_accounts, foreach_account_append_to_list, list);
981                 break;
982         case TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS:
983                 tny_list_foreach (priv->transport_accounts, foreach_account_append_to_list, list);
984                 break;
985         default:
986                 g_return_if_reached ();
987         }
988
989         /* Initialize session. Why do we need this ??? */
990         tny_session_camel_set_initialized (priv->session);
991 }
992
993
994 static const gchar*
995 modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
996 {
997         ModestTnyAccountStorePrivate *priv;
998         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
999         
1000         if (!priv->cache_dir)
1001                 priv->cache_dir = g_build_filename (g_get_home_dir(), 
1002                                                     MODEST_DIR, MODEST_CACHE_DIR, NULL);
1003         return priv->cache_dir;
1004 }
1005
1006
1007 /*
1008  * callers need to unref
1009  */
1010 static TnyDevice*
1011 modest_tny_account_store_get_device (TnyAccountStore *self)
1012 {
1013         ModestTnyAccountStorePrivate *priv;
1014
1015         g_return_val_if_fail (self, NULL);
1016         
1017         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1018
1019         if (priv->device)
1020                 return g_object_ref (G_OBJECT(priv->device));
1021         else
1022                 return NULL;
1023 }
1024
1025
1026 static TnyAccount*
1027 modest_tny_account_store_find_account_by_url (TnyAccountStore *self, const gchar* url_string)
1028 {
1029         return modest_tny_account_store_get_tny_account_by (MODEST_TNY_ACCOUNT_STORE (self), 
1030                                                             MODEST_TNY_ACCOUNT_STORE_QUERY_URL,
1031                                                             url_string);
1032 }
1033
1034
1035
1036 static gboolean
1037 modest_tny_account_store_alert (TnyAccountStore *self, TnyAccount *account, TnyAlertType type,
1038                                 gboolean question, const GError *error)
1039 {
1040         g_return_val_if_fail (error, FALSE);
1041
1042         if ((error->domain != TNY_ACCOUNT_ERROR) 
1043                 && (error->domain != TNY_ACCOUNT_STORE_ERROR)) {
1044                 g_warning("modest: %s: Unexpected error domain: != TNY_ACCOUNT_ERROR: %d, message=%s", 
1045                         __FUNCTION__, error->domain, error->message); 
1046                         
1047                 return FALSE;
1048         }
1049         
1050         printf("DEBUG: %s: GError code: %d, message=%s\n", 
1051                                 __FUNCTION__, error->code, error->message);
1052         
1053         /* Get the server name: */
1054         const gchar* server_name = NULL;
1055         if (account && TNY_IS_ACCOUNT (account)) {
1056                 server_name = tny_account_get_hostname (account);
1057                 printf ("modest: %s: account name = %s, server_name=%s\n", __FUNCTION__, 
1058                         tny_account_get_id (account), server_name);
1059         }
1060         
1061         if (!server_name)
1062                 server_name = _("Unknown Server");      
1063                 
1064         ModestTransportStoreProtocol proto = MODEST_PROTOCOL_STORE_POP; /* Arbitrary default. */
1065         if (account) {
1066                 const gchar *proto_name = tny_account_get_proto (account);
1067                 if (proto_name)
1068                         proto = modest_protocol_info_get_transport_store_protocol (proto_name);
1069                 else {
1070                         g_warning("modest: %s: account with id=%s has no proto.\n", __FUNCTION__, 
1071                                 tny_account_get_id (account));
1072                 }
1073         }
1074                 
1075         /* const gchar *prompt = NULL; */
1076         gchar *prompt = NULL;
1077         switch (error->code) {
1078                 case TNY_ACCOUNT_STORE_ERROR_CANCEL_ALERT:
1079                 case TNY_ACCOUNT_ERROR_TRY_CONNECT_USER_CANCEL:
1080                         /* Don't show waste the user's time by showing him a dialog telling 
1081                          * him that he has just cancelled something: */
1082                         g_debug ("%s: Handling GError domain=%d, code=%d (cancelled) without showing a dialog, message=%s", 
1083                                 __FUNCTION__, error->domain, error->code, error->message);
1084                         prompt = NULL;
1085                         break;
1086                         
1087                 case TNY_ACCOUNT_ERROR_TRY_CONNECT_HOST_LOOKUP_FAILED:
1088                         /* TODO: Show the appropriate message, depending on whether it's POP or IMAP: */
1089                         g_debug ("%s: Handling GError domain=%d, code=%d (lookup failed), message=%s", 
1090                                 __FUNCTION__, error->domain, error->code, error->message);
1091                                 
1092                         switch (proto) {
1093                                 case MODEST_PROTOCOL_STORE_POP:
1094                                         prompt = g_strdup_printf (_("emev_ni_ui_pop3_msg_connect_error"), server_name);
1095                                         break;
1096                                 case MODEST_PROTOCOL_STORE_IMAP:
1097                                         prompt = g_strdup_printf (_("emev_ni_ui_imap_connect_server_error"), server_name);
1098                                         break;
1099                                 case MODEST_PROTOCOL_TRANSPORT_SMTP:
1100                                 default: /* Arbitrary default. */
1101                                         prompt = g_strdup_printf (_("emev_ib_ui_smtp_server_invalid"), server_name);
1102                                         break;
1103                         }
1104         
1105                         /*
1106                         prompt = g_strdup_printf(
1107                                 _("Incorrect Account Settings:\n Host lookup failed.%s"), 
1108                                 error->message);
1109                         */
1110                         break;
1111                         
1112                 case TNY_ACCOUNT_ERROR_TRY_CONNECT_AUTHENTICATION_NOT_SUPPORTED:
1113                         g_debug ("%s: Handling GError domain=%d, code=%d (authentication not supported), message=%s", 
1114                                 __FUNCTION__, error->domain, error->code, error->message);
1115                         /* TODO: This needs a logical ID for the string: */
1116                         prompt = g_strdup_printf(
1117                                 _("Incorrect Account Settings:\nThe secure authentication method is not supported.\n%s"), 
1118                                 error->message);
1119                         break;
1120                         
1121                 case TNY_ACCOUNT_ERROR_TRY_CONNECT_CERTIFICATE:
1122                         g_debug ("%s: Handling GError domain=%d, code=%d (certificatae), message=%s", 
1123                                 __FUNCTION__, error->domain, error->code, error->message);
1124                         prompt = g_strdup_printf(
1125                                 _("Certificate Problem:\n%s"), 
1126                                 error->message);
1127                         break;
1128                 
1129                 case TNY_ACCOUNT_ERROR_TRY_CONNECT:
1130                 /* The tinymail camel implementation just sends us this for almost 
1131                  * everything, so we have to guess at the cause.
1132                  * It could be a wrong password, or inability to resolve a hostname, 
1133                  * or lack of network, or incorrect authentication method, or something entirely different: */
1134                 /* TODO: Fix camel to provide specific error codes, and then use the 
1135                  * specific dialog messages from Chapter 12 of the UI spec.
1136                  */
1137                 case TNY_ACCOUNT_STORE_ERROR_UNKNOWN_ALERT: 
1138                         /* This debug output is useful. Please keep it uncommented until 
1139                          * we have fixed the problems in this function: */
1140                         g_debug ("%s: Handling GError domain=%d, code=%d, message=%s", 
1141                                 __FUNCTION__, error->domain, error->code, error->message);
1142                         
1143                         /* TODO: Remove the internal error message for the real release.
1144                          * This is just so the testers can give us more information: */
1145                         /* prompt = _("Modest account not yet fully configured."); */
1146                         prompt = g_strdup_printf(
1147                                 "%s\n (Internal error message, often very misleading):\n%s", 
1148                                 _("Incorrect Account Settings"), 
1149                                 error->message);
1150                                 
1151                         /* Note: If the password was wrong then get_password() would be called again,
1152                          * instead of this vfunc being called. */
1153                          
1154                         break;
1155                 
1156                 default:
1157                         g_warning ("%s: Unhandled GError code: %d, message=%s", 
1158                                 __FUNCTION__, error->code, error->message);
1159                         prompt = NULL;
1160                 break;
1161         }
1162         
1163         if (!prompt)
1164                 return FALSE;
1165
1166         ModestWindow *main_window = 
1167                 modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
1168         gboolean retval = TRUE;
1169         if (question) {
1170                 /* The Tinymail documentation says that we should show Yes and No buttons, 
1171                  * when it is a question.
1172                  * Obviously, we need tinymail to use more specific error codes instead,
1173                  * so we know what buttons to show. */
1174         
1175                 /* TODO: Do this in the main context: */
1176                 GtkWidget *dialog = GTK_WIDGET (hildon_note_new_confirmation (GTK_WINDOW (main_window), 
1177                         prompt));
1178                 const int response = gtk_dialog_run (GTK_DIALOG (dialog));
1179                 if (question) {
1180                         retval = (response == GTK_RESPONSE_YES) ||
1181                                          (response == GTK_RESPONSE_OK);
1182                 }
1183         
1184                 gtk_widget_destroy (dialog);
1185         
1186          } else {
1187                 /* Just show the error text and use the default response: */
1188                 modest_maemo_show_information_note_in_main_context_and_forget (GTK_WINDOW (main_window), 
1189                         prompt);
1190          }
1191         
1192         /* TODO: Don't free this when we no longer strdup the message for testers. */
1193         g_free (prompt);
1194
1195
1196         /* printf("DEBUG: %s: returning %d\n", __FUNCTION__, retval); */
1197         return retval;
1198 }
1199
1200
1201 static void
1202 modest_tny_account_store_init (gpointer g, gpointer iface_data)
1203 {
1204         TnyAccountStoreIface *klass;
1205
1206         g_return_if_fail (g);
1207
1208         klass = (TnyAccountStoreIface *)g;
1209
1210         klass->get_accounts_func =
1211                 modest_tny_account_store_get_accounts;
1212         klass->get_cache_dir_func =
1213                 modest_tny_account_store_get_cache_dir;
1214         klass->get_device_func =
1215                 modest_tny_account_store_get_device;
1216         klass->alert_func =
1217                 modest_tny_account_store_alert;
1218         klass->find_account_func =
1219                 modest_tny_account_store_find_account_by_url;
1220 }
1221
1222 void
1223 modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
1224                                             ModestTnyGetPassFunc func)
1225 {
1226         /* not implemented, we use signals */
1227         g_printerr ("modest: set_get_pass_func not implemented\n");
1228 }
1229
1230 TnySessionCamel*
1231 modest_tny_account_store_get_session  (TnyAccountStore *self)
1232 {
1233         g_return_val_if_fail (self, NULL);
1234         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->session;
1235 }
1236
1237 static TnyAccount*
1238 get_tny_account_by (TnyList *accounts,
1239                     ModestTnyAccountStoreQueryType type,
1240                     const gchar *str)
1241 {
1242         TnyIterator *iter = NULL;
1243         gboolean found = FALSE;
1244         TnyAccount *retval = NULL;
1245
1246         iter = tny_list_create_iterator (accounts);
1247         while (!tny_iterator_is_done (iter) && !found) {
1248                 TnyAccount *tmp_account = NULL;
1249                 const gchar *val = NULL;
1250
1251                 tmp_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
1252                 switch (type) {
1253                 case MODEST_TNY_ACCOUNT_STORE_QUERY_ID:
1254                         val = tny_account_get_id (tmp_account);
1255                         break;
1256                 case MODEST_TNY_ACCOUNT_STORE_QUERY_URL:
1257                         val = tny_account_get_url_string (tmp_account);
1258                         break;
1259                 }
1260                 
1261                 if (type == MODEST_TNY_ACCOUNT_STORE_QUERY_URL && 
1262                     tny_account_matches_url_string (tmp_account, str)) {
1263                         retval = g_object_ref (tmp_account);
1264                         found = TRUE;
1265                 } else {
1266                         if (strcmp (val, str) == 0) {
1267                                 retval = g_object_ref (tmp_account);
1268                                 found = TRUE;
1269                         }
1270                 }
1271                 g_object_unref (tmp_account);
1272                 tny_iterator_next (iter);
1273         }
1274         g_object_unref (iter);
1275
1276         return retval;
1277 }
1278
1279 TnyAccount*
1280 modest_tny_account_store_get_tny_account_by (ModestTnyAccountStore *self, 
1281                                              ModestTnyAccountStoreQueryType type,
1282                                              const gchar *str)
1283 {
1284         TnyAccount *account = NULL;
1285         ModestTnyAccountStorePrivate *priv;     
1286         
1287         g_return_val_if_fail (self, NULL);
1288         g_return_val_if_fail (str, NULL);
1289         
1290         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1291         
1292         /* Search in store accounts */
1293         account = get_tny_account_by (priv->store_accounts, type, str);
1294
1295         /* If we already found something, no need to search the transport accounts */
1296         if (!account) {
1297                 account = get_tny_account_by (priv->transport_accounts, type, str);
1298
1299                 /* If we already found something, no need to search the
1300                    per-account outbox accounts */
1301                 if (!account)
1302                         account = get_tny_account_by (priv->store_accounts_outboxes, type, str);
1303         }
1304
1305         /* Warn if nothing was found. This is generally unusual. */
1306         if (!account) {
1307                 g_warning("%s: Failed to find account with %s=%s\n", 
1308                           __FUNCTION__, 
1309                           (type == MODEST_TNY_ACCOUNT_STORE_QUERY_ID) ? "ID" : "URL",                     
1310                           str);
1311         }
1312
1313         /* Returns a new reference to the account if found */   
1314         return account;
1315 }
1316
1317 TnyAccount*
1318 modest_tny_account_store_get_server_account (ModestTnyAccountStore *self,
1319                                              const gchar *account_name,
1320                                              TnyAccountType type)
1321 {
1322         ModestTnyAccountStorePrivate *priv = NULL;
1323         TnyAccount *retval = NULL;
1324         TnyList *account_list = NULL;
1325         TnyIterator *iter = NULL;
1326         gboolean found;
1327
1328         g_return_val_if_fail (self, NULL);
1329         g_return_val_if_fail (account_name, NULL);
1330         g_return_val_if_fail (type == TNY_ACCOUNT_TYPE_STORE || 
1331                               type == TNY_ACCOUNT_TYPE_TRANSPORT,
1332                               NULL);
1333         
1334         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1335
1336         account_list = (type == TNY_ACCOUNT_TYPE_STORE) ? 
1337                 priv->store_accounts : 
1338                 priv->transport_accounts;
1339
1340         if (!account_list) {
1341                 g_printerr ("%s: No server accounts of type %s\n", __FUNCTION__, 
1342                         (type == TNY_ACCOUNT_TYPE_STORE) ? "store" : "transport");
1343                 return NULL;
1344         }
1345         
1346         /* Look for the server account */
1347         found = FALSE;
1348         iter = tny_list_create_iterator (account_list);
1349         while (!tny_iterator_is_done (iter) && !found) {
1350                 const gchar *modest_acc_name;
1351                 TnyAccount *tmp_account;
1352
1353                 tmp_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
1354                 modest_acc_name = 
1355                         modest_tny_account_get_parent_modest_account_name_for_server_account (tmp_account);
1356                 
1357                 if (!strcmp (account_name, modest_acc_name)) {
1358                         found = TRUE;
1359                         retval = g_object_ref (tmp_account);
1360                 }
1361                 /* Free and continue */
1362                 g_object_unref (tmp_account);
1363                 tny_iterator_next (iter);
1364         }
1365
1366         if (!found) {
1367                 g_printerr ("modest: %s: could not get tny %s account for %s\n." \
1368                             "Number of server accounts of this type=%d\n", __FUNCTION__,
1369                             (type == TNY_ACCOUNT_TYPE_STORE) ? "store" : "transport",
1370                             account_name, tny_list_get_length (account_list));
1371         }
1372
1373         /* Returns a new reference */
1374         return retval;
1375 }
1376
1377 static TnyAccount*
1378 get_smtp_specific_transport_account_for_open_connection (ModestTnyAccountStore *self,
1379                                                          const gchar *account_name)
1380 {
1381         /* Get the current connection: */
1382         TnyDevice *device = modest_runtime_get_device ();
1383         
1384         if (!tny_device_is_online (device))
1385                 return NULL;
1386
1387         g_return_val_if_fail (self, NULL);
1388         g_return_val_if_fail (account_name, NULL);
1389         
1390         
1391 #ifdef MODEST_PLATFORM_MAEMO
1392         g_assert (TNY_IS_MAEMO_CONIC_DEVICE (device));
1393         TnyMaemoConicDevice *maemo_device = TNY_MAEMO_CONIC_DEVICE (device);    
1394         const gchar* iap_id = tny_maemo_conic_device_get_current_iap_id (maemo_device);
1395         /* printf ("DEBUG: %s: iap_id=%s\n", __FUNCTION__, iap_id); */
1396         if (!iap_id)
1397                 return NULL;
1398                 
1399         ConIcIap* connection = tny_maemo_conic_device_get_iap (maemo_device, iap_id);
1400         if (!connection)
1401                 return NULL;
1402                 
1403         const gchar *connection_name = con_ic_iap_get_name (connection);
1404         /* printf ("DEBUG: %s: connection_name=%s\n", __FUNCTION__, connection_name); */
1405         if (!connection_name)
1406                 return NULL;
1407         
1408         /*  Get the connection-specific transport acccount, if any: */
1409         ModestAccountMgr *account_manager = modest_runtime_get_account_mgr ();
1410         gchar* server_account_name = modest_account_mgr_get_connection_specific_smtp (account_manager, 
1411                 account_name, connection_name);
1412
1413         /* printf ("DEBUG: %s: server_account_name=%s\n", __FUNCTION__, server_account_name); */
1414         if (!server_account_name) {
1415                 return NULL; /* No connection-specific SMTP server was specified for this connection. */
1416         }
1417                 
1418         TnyAccount* account = modest_tny_account_store_get_tny_account_by (self, 
1419                                                                            MODEST_TNY_ACCOUNT_STORE_QUERY_ID, 
1420                                                                            server_account_name);
1421
1422         /* printf ("DEBUG: %s: account=%p\n", __FUNCTION__, account); */
1423         g_free (server_account_name);   
1424
1425         /* Unref the get()ed object, as required by the tny_maemo_conic_device_get_iap() documentation. */
1426         g_object_unref (connection);
1427         
1428         return account;
1429 #else
1430         return NULL; /* TODO: Implement this for GNOME, instead of just Maemo? */
1431 #endif /* MODEST_PLATFORM_MAEMO */
1432 }
1433
1434                                                                  
1435 TnyAccount*
1436 modest_tny_account_store_get_transport_account_for_open_connection (ModestTnyAccountStore *self,
1437                                                                     const gchar *account_name)
1438 {
1439         g_return_val_if_fail (self, NULL);
1440         g_return_val_if_fail (account_name, NULL);
1441
1442         if (!account_name || !self)
1443                 return NULL;
1444         
1445         /*  Get the connection-specific transport acccount, if any: */
1446         TnyAccount *account =
1447                 get_smtp_specific_transport_account_for_open_connection (self, account_name);
1448                         
1449         /* If there is no connection-specific transport account (the common case), 
1450          * just get the regular transport account: */
1451         if (!account) {
1452                 /* The special local folders don't have transport accounts. */
1453                 if (strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID) == 0)
1454                         account = NULL;
1455                 else
1456                         account = modest_tny_account_store_get_server_account (self, account_name, 
1457                                                      TNY_ACCOUNT_TYPE_TRANSPORT);
1458         }
1459                              
1460         return account;
1461 }
1462
1463 TnyAccount*
1464 modest_tny_account_store_get_local_folders_account (ModestTnyAccountStore *self)
1465 {
1466         TnyAccount *account = NULL;
1467         ModestTnyAccountStorePrivate *priv;
1468         TnyIterator *iter;
1469         gboolean found;
1470
1471         g_return_val_if_fail (MODEST_IS_TNY_ACCOUNT_STORE (self), NULL);
1472         
1473         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1474
1475         found = FALSE;
1476         iter = tny_list_create_iterator (priv->store_accounts);
1477         while (!tny_iterator_is_done (iter) && !found) {
1478                 TnyAccount *tmp_account;
1479
1480                 tmp_account = TNY_ACCOUNT (tny_iterator_get_current (iter));
1481                 if (modest_tny_account_is_virtual_local_folders (tmp_account)) {
1482                         account = g_object_ref (tmp_account);
1483                         found = TRUE;
1484                 }
1485                 g_object_unref (tmp_account);
1486                 tny_iterator_next (iter);
1487         }
1488         g_object_unref (iter);
1489
1490         /* Returns a new reference to the account */
1491         return account;
1492 }
1493
1494 /*********************************************************************************/
1495 static void
1496 add_existing_accounts (ModestTnyAccountStore *self)
1497 {
1498         GSList *account_names = NULL, *iter = NULL;
1499         ModestTnyAccountStorePrivate *priv = NULL;
1500         
1501         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1502
1503         /* These are account names, not server_account names */
1504         account_names = modest_account_mgr_account_names (priv->account_mgr, FALSE);
1505
1506         for (iter = account_names; iter != NULL; iter = g_slist_next (iter)) {
1507                 const gchar *account_name = (const gchar*) iter->data;
1508                 
1509                 /* Insert all enabled accounts without notifying */
1510                 if (modest_account_mgr_get_enabled (priv->account_mgr, account_name))
1511                         insert_account (self, account_name, FALSE);
1512         }
1513         modest_account_mgr_free_account_names (account_names);
1514 }
1515
1516 static TnyAccount*
1517 create_tny_account (ModestTnyAccountStore *self,
1518                     const gchar *name,
1519                     TnyAccountType type)
1520 {
1521         TnyAccount *account = NULL;
1522         ModestTnyAccountStorePrivate *priv = NULL;
1523         
1524         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1525
1526         account = modest_tny_account_new_from_account (priv->account_mgr,
1527                                                        name, type, 
1528                                                        priv->session,
1529                                                        get_password,
1530                                                        forget_password);
1531
1532         if (account) {
1533                 /* Forget any cached password for the account, so that
1534                    we use a new account if any */
1535                 modest_tny_account_store_forget_password_in_memory (self, 
1536                                                                     tny_account_get_id (account));
1537                 /* Set the account store */                             
1538                 g_object_set_data (G_OBJECT(account), "account_store", self);
1539         } else {
1540                 g_printerr ("modest: failed to create account for %s\n", name);
1541         }
1542
1543         return account;
1544 }
1545
1546 /*
1547  * This function will be used for both adding new accounts and for the
1548  * initialization. In the initialization we do not want to emit
1549  * signals so notify will be FALSE, in the case of account additions
1550  * we do want to notify the observers
1551  */
1552 static void
1553 insert_account (ModestTnyAccountStore *self,
1554                 const gchar *account,
1555                 gboolean notify)
1556 {
1557         ModestTnyAccountStorePrivate *priv = NULL;
1558         TnyAccount *store_account = NULL, *transport_account = NULL;
1559         
1560         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1561
1562         /* Get the server and the transport account */
1563         store_account = create_tny_account (self, account, TNY_ACCOUNT_TYPE_STORE);
1564         transport_account = create_tny_account (self, account, TNY_ACCOUNT_TYPE_TRANSPORT);
1565
1566         /* Add to the list, and notify the observers */
1567         if (store_account) {
1568                 tny_list_append (priv->store_accounts, G_OBJECT (store_account));
1569                 if (notify)
1570                         g_signal_emit (G_OBJECT (self), signals [ACCOUNT_INSERTED_SIGNAL], 0, store_account);
1571                 g_object_unref (store_account);
1572         }
1573
1574         /* Add to the list, and notify the observers */
1575         if (transport_account) {
1576                 TnyAccount *account_outbox = NULL, *local_account = NULL;
1577                 TnyFolder *per_account_outbox = NULL;
1578                 TnyList *folders;
1579                 TnyIterator *iter_folders;
1580
1581                 /* Add account to the list */
1582                 tny_list_append (priv->transport_accounts, G_OBJECT (transport_account));
1583
1584                 /* Add connection-specific transport accounts */
1585                 add_connection_specific_transport_accounts (self, account);
1586
1587                 /* Create per account local outbox */
1588                 account_outbox = 
1589                         modest_tny_account_new_for_per_account_local_outbox_folder (priv->account_mgr, 
1590                                                                                     account, 
1591                                                                                     priv->session);
1592                 tny_list_append (priv->store_accounts_outboxes, G_OBJECT (account_outbox));
1593
1594                 /* Get the outbox folder */
1595                 folders = tny_simple_list_new ();
1596                 tny_folder_store_get_folders (TNY_FOLDER_STORE (account_outbox),
1597                                               folders, NULL, NULL);
1598                 g_assert (tny_list_get_length (folders) == 1);
1599                 
1600                 iter_folders = tny_list_create_iterator (folders);
1601                 per_account_outbox = TNY_FOLDER (tny_iterator_get_current (iter_folders));
1602                 g_object_unref (iter_folders);
1603                 g_object_unref (account_outbox);
1604
1605                 /* Add the outbox of the new per-account-local-outbox
1606                    account to the global local merged OUTBOX of the
1607                    local folders account */
1608                 local_account = modest_tny_account_store_get_local_folders_account (MODEST_TNY_ACCOUNT_STORE (self));
1609                 modest_tny_local_folders_account_add_folder_to_outbox (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (local_account), 
1610                                                                        per_account_outbox);
1611                 g_object_unref (local_account);
1612                 g_object_unref (per_account_outbox);
1613
1614                 /* Notify the observers */
1615                 if (notify)
1616                         g_signal_emit (G_OBJECT (self), signals [ACCOUNT_INSERTED_SIGNAL], 0, transport_account);
1617                 g_object_unref (transport_account);
1618         }
1619 }
1620
1621 static void
1622 on_account_inserted (ModestAccountMgr *acc_mgr, 
1623                      const gchar *account,
1624                      gpointer user_data)
1625 {
1626         /* Insert the account and notify the observers */
1627         insert_account (MODEST_TNY_ACCOUNT_STORE (user_data), account, TRUE);
1628 }
1629
1630 static void
1631 on_account_removed (ModestAccountMgr *acc_mgr, 
1632                     const gchar *account,
1633                     gpointer user_data)
1634 {
1635         TnyAccount *store_account = NULL, *transport_account = NULL;
1636         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
1637         
1638         /* Get the server and the transport account */
1639         store_account = 
1640                 modest_tny_account_store_get_server_account (self, account, TNY_ACCOUNT_TYPE_STORE);
1641         transport_account = 
1642                 modest_tny_account_store_get_server_account (self, account, TNY_ACCOUNT_TYPE_TRANSPORT);
1643
1644         /* If there was any problem creating the account, for example,
1645            with the configuration system this could not exist */
1646         if (store_account) {
1647                 /* Clear the cache */
1648                 tny_store_account_delete_cache (TNY_STORE_ACCOUNT (store_account));
1649
1650                 /* Notify the observers */
1651                 g_signal_emit (G_OBJECT (self), signals [ACCOUNT_REMOVED_SIGNAL], 0, store_account);
1652                 g_object_unref (store_account);
1653         } else {
1654                 g_warning ("There is no store account for account %s\n", account);
1655         }
1656
1657         /* If there was any problem creating the account, for example,
1658            with the configuration system this could not exist */
1659         if (transport_account) {
1660                 /* Notify the observers */
1661                 g_signal_emit (G_OBJECT (self), signals [ACCOUNT_REMOVED_SIGNAL], 0, transport_account);
1662                 g_object_unref (transport_account);
1663         } else {
1664                 g_warning ("There is no transport account for account %s\n", account);
1665         }
1666 }
1667
1668 static void
1669 add_connection_specific_transport_accounts (ModestTnyAccountStore *self,
1670                                             const gchar *account_name)
1671 {
1672         ModestTnyAccountStorePrivate *priv = NULL;
1673         GSList *list_specifics = NULL, *iter = NULL;
1674
1675         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
1676
1677         list_specifics = modest_account_mgr_get_list (priv->account_mgr,
1678                                                       account_name, 
1679                                                       MODEST_ACCOUNT_CONNECTION_SPECIFIC_SMTP_LIST,
1680                                                       MODEST_CONF_VALUE_STRING, FALSE);
1681                                 
1682         /* Look at each connection-specific transport account for the 
1683          * modest account: */
1684         iter = list_specifics;
1685         while (iter) {
1686                 /* The list alternates between the connection name and the transport name: */
1687                 iter = g_slist_next (iter);
1688                 if (iter) {
1689                         const gchar* transport_account_name = (const gchar*) (iter->data);
1690                         if (transport_account_name) {
1691                                 TnyAccount * tny_account = NULL;
1692                                 /* Add the account: */
1693                                 tny_account = 
1694                                         modest_tny_account_new_from_server_account_name (priv->account_mgr, 
1695                                                                                          priv->session, 
1696                                                                                          transport_account_name);
1697                                 if (tny_account) {
1698                                         modest_tny_account_set_parent_modest_account_name_for_server_account (tny_account, 
1699                                                                                                               account_name);
1700                                         g_object_set_data (G_OBJECT(tny_account), 
1701                                                            "account_store", 
1702                                                            (gpointer)self);
1703
1704                                         tny_list_append (priv->transport_accounts, G_OBJECT (tny_account));
1705                                 } else
1706                                         g_printerr ("modest: failed to create smtp-specific account for %s\n",
1707                                                     transport_account_name);
1708                         }
1709                 }                               
1710                 iter = g_slist_next (iter);
1711         }
1712 }