* implemented the send-queue stuff (partially); still
[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-transport-account.h>
37 #include <tny-device.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-marshal.h>
44 #include <modest-protocol-info.h>
45 #include <modest-local-folder-info.h>
46
47 #include <modest-account-mgr.h>
48 #include <modest-account-mgr-helpers.h>
49
50 #include "modest-tny-account-store.h"
51 #include "modest-tny-platform-factory.h"
52 #include <tny-gtk-lockable.h>
53 #include <camel/camel.h>
54
55 /* 'private'/'protected' functions */
56 static void modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
57 //static void modest_tny_account_store_init         (ModestTnyAccountStore *obj);
58 static void modest_tny_account_store_finalize     (GObject *obj);
59
60 /* implementations for tny-account-store-iface */
61 static void    modest_tny_account_store_instance_init (ModestTnyAccountStore *obj);
62 static void    modest_tny_account_store_init                     (gpointer g, gpointer iface_data);
63
64
65 /* list my signals */
66 enum {
67         ACCOUNT_UPDATE_SIGNAL,
68         LAST_SIGNAL
69 };
70
71 typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
72 struct _ModestTnyAccountStorePrivate {
73
74         gchar              *cache_dir;
75         
76         GHashTable         *password_hash;
77         TnyDevice          *device;
78         TnySessionCamel    *tny_session_camel;
79
80         ModestAccountMgr   *account_mgr;
81         TnyAccount         *local_folders;
82 };
83
84 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
85                                                       MODEST_TYPE_TNY_ACCOUNT_STORE, \
86                                                       ModestTnyAccountStorePrivate))
87
88 static void    on_password_requested        (ModestTnyAccountStore *account_store, 
89                                              const gchar* account_name,
90                                              gchar **password, 
91                                              gboolean *cancel, 
92                                              gboolean *remember);
93
94 /* globals */
95 static GObjectClass *parent_class = NULL;
96
97 static guint signals[LAST_SIGNAL] = {0};
98
99 GType
100 modest_tny_account_store_get_type (void)
101 {
102         static GType my_type = 0;
103
104         if (!my_type) {
105                 static const GTypeInfo my_info = {
106                         sizeof(ModestTnyAccountStoreClass),
107                         NULL,           /* base init */
108                         NULL,           /* base finalize */
109                         (GClassInitFunc) modest_tny_account_store_class_init,
110                         NULL,           /* class finalize */
111                         NULL,           /* class data */
112                         sizeof(ModestTnyAccountStore),
113                         0,              /* n_preallocs */
114                         (GInstanceInitFunc) modest_tny_account_store_instance_init,
115                         NULL
116                 };
117
118                 static const GInterfaceInfo iface_info = {
119                         (GInterfaceInitFunc) modest_tny_account_store_init,
120                         NULL,         /* interface_finalize */
121                         NULL          /* interface_data */
122                 };
123                 /* hack hack */
124                 my_type = g_type_register_static (G_TYPE_OBJECT,
125                                                   "ModestTnyAccountStore",
126                                                   &my_info, 0);
127                 g_type_add_interface_static (my_type, TNY_TYPE_ACCOUNT_STORE,
128                                              &iface_info);
129         }
130         return my_type;
131 }
132
133 static void
134 modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
135 {
136         GObjectClass *gobject_class;
137         gobject_class = (GObjectClass*) klass;
138
139         parent_class            = g_type_class_peek_parent (klass);
140         gobject_class->finalize = modest_tny_account_store_finalize;
141
142         g_type_class_add_private (gobject_class,
143                                   sizeof(ModestTnyAccountStorePrivate));
144
145         signals[ACCOUNT_UPDATE_SIGNAL] =
146                 g_signal_new ("account_update",
147                               G_TYPE_FROM_CLASS (gobject_class),
148                               G_SIGNAL_RUN_FIRST,
149                               G_STRUCT_OFFSET(ModestTnyAccountStoreClass, account_update),
150                               NULL, NULL,
151                               g_cclosure_marshal_VOID__STRING,
152                               G_TYPE_NONE, 1, G_TYPE_STRING);
153         
154 }
155
156
157 static void
158 modest_tny_account_store_instance_init (ModestTnyAccountStore *obj)
159 {
160         ModestTnyAccountStorePrivate *priv =
161                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
162
163         priv->cache_dir              = NULL;
164         priv->account_mgr            = NULL;
165         priv->tny_session_camel      = NULL;
166         priv->device                 = NULL;
167         
168         priv->password_hash          = g_hash_table_new_full (g_str_hash, g_str_equal,
169                                                               g_free, g_free);
170
171         priv->local_folders          = NULL;
172 }
173
174
175 /* we need these dummy functions, or tinymail will complain */
176 static gchar*
177 get_password_dummy (TnyAccount *account, const gchar *prompt, gboolean *cancel)
178 {
179         return NULL;
180 }
181 static void
182 forget_password_dummy (TnyAccount *account)
183 {
184         return;
185 }
186         
187 /* create a pseudo-account for our local folders */
188 static TnyAccount*
189 get_local_folders_account (ModestTnyAccountStore *self)
190 {
191         TnyStoreAccount *tny_account;
192         CamelURL *url;
193         gchar *maildir, *url_string;
194         ModestTnyAccountStorePrivate *priv;
195
196         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
197         
198         tny_account = tny_camel_store_account_new ();
199         if (!tny_account) {
200                 g_printerr ("modest: cannot create account for local folders");
201                 return NULL;
202         }
203         
204         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account),priv->tny_session_camel);
205         
206         maildir = modest_local_folder_info_get_maildir_path ();
207         url = camel_url_new ("maildir:", NULL);
208         camel_url_set_path (url, maildir);
209         url_string = camel_url_to_string (url, 0);
210         
211         tny_account_set_url_string (TNY_ACCOUNT(tny_account), url_string);
212         tny_account_set_name (TNY_ACCOUNT(tny_account), MODEST_LOCAL_FOLDERS_ACCOUNT_NAME); 
213         tny_account_set_id (TNY_ACCOUNT(tny_account), MODEST_LOCAL_FOLDERS_ACCOUNT_NAME); 
214         tny_account_set_forget_pass_func (TNY_ACCOUNT(tny_account), forget_password_dummy);
215         tny_account_set_pass_func (TNY_ACCOUNT(tny_account), get_password_dummy);
216
217         camel_url_free (url);
218         g_free (maildir);
219         g_free (url_string);
220
221         return TNY_ACCOUNT(tny_account);
222 }
223
224
225
226 static void
227 on_account_removed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean server_account,
228                     gpointer user_data)
229 {
230         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
231
232         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
233                        account);
234         
235 }
236
237
238 static void
239 on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean server_account,
240                     const gchar *key, gpointer user_data)
241 {
242         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
243         
244         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
245                        account);
246 }
247
248
249 static ModestTnyAccountStore*
250 get_account_store_for_account (TnyAccount *account)
251 {
252         return MODEST_TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
253                                                            "account_store"));
254 }
255
256
257 static void
258 on_password_requested (ModestTnyAccountStore *account_store, 
259                        const gchar* account_name,
260                        gchar **password, 
261                        gboolean *cancel, 
262                        gboolean *remember)
263 {
264         gchar *txt;
265         GtkWidget *dialog, *entry, *remember_pass_check;
266
267         dialog = gtk_dialog_new_with_buttons (_("Password requested"),
268                                               NULL,
269                                               GTK_DIALOG_MODAL,
270                                               GTK_STOCK_CANCEL,
271                                               GTK_RESPONSE_REJECT,
272                                               GTK_STOCK_OK,
273                                               GTK_RESPONSE_ACCEPT,
274                                               NULL);
275
276         txt = g_strdup_printf (_("Please enter your password for %s"), account_name);
277         gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), gtk_label_new(txt),
278                             FALSE, FALSE, 0);
279         g_free (txt);
280
281         entry = gtk_entry_new_with_max_length (40);
282         gtk_entry_set_visibility (GTK_ENTRY(entry), FALSE);
283         gtk_entry_set_invisible_char (GTK_ENTRY(entry), 0x2022); /* bullet unichar */
284         
285         gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), entry,
286                             TRUE, FALSE, 0);    
287
288         remember_pass_check = gtk_check_button_new_with_label (_("Remember password"));
289         gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), remember_pass_check,
290                             TRUE, FALSE, 0);
291
292         gtk_widget_show_all (GTK_WIDGET(GTK_DIALOG(dialog)->vbox));
293         
294         if (gtk_dialog_run (GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
295                 *password = g_strdup (gtk_entry_get_text (GTK_ENTRY(entry)));
296                 *cancel   = FALSE;
297         } else {
298                 *password = NULL;
299                 *cancel   = TRUE;
300         }
301
302         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (remember_pass_check)))
303                 *remember = TRUE;
304         else
305                 *remember = FALSE;
306
307         gtk_widget_destroy (dialog);
308 }
309
310 static gchar*
311 get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
312 {
313         const gchar *key;
314         const TnyAccountStore *account_store;
315         ModestTnyAccountStore *self;
316         ModestTnyAccountStorePrivate *priv;
317         gchar *pwd = NULL;
318         gpointer pwd_ptr;
319         gboolean already_asked;
320
321         
322         key           = tny_account_get_id (account);
323         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
324         
325         self = MODEST_TNY_ACCOUNT_STORE (account_store);
326         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
327         
328         /* is it in the hash? if it's already there, it must be wrong... */
329         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
330                                    * type-punned ptrs...*/
331         already_asked = g_hash_table_lookup_extended (priv->password_hash,
332                                                       key,
333                                                       NULL,
334                                                       (gpointer*)&pwd_ptr);
335
336         /* if the password is not already there, try ModestConf */
337         if (!already_asked) {
338                 pwd  = modest_account_mgr_get_string (priv->account_mgr,
339                                                       key, MODEST_ACCOUNT_PASSWORD,
340                                                       TRUE, NULL);
341                 g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup (pwd));
342         }
343
344         /* if it was already asked, it must have been wrong, so ask again */
345         if (already_asked || !pwd || strlen(pwd) == 0) {
346
347                 /* we don't have it yet. Get the password from the user */
348                 const gchar* name = tny_account_get_name (account);
349                 gboolean remember;
350                 pwd = NULL;
351
352                 on_password_requested (self, name, &pwd, cancel, &remember);
353
354                 if (!*cancel) {
355                         if (remember)
356                                 modest_account_mgr_set_string (priv->account_mgr,
357                                                                key, MODEST_ACCOUNT_PASSWORD,
358                                                                pwd,
359                                                                TRUE, NULL);
360                         /* We need to dup the string even knowing that
361                            it's already a dup of the contents of an
362                            entry, because it if it's wrong, then camel
363                            will free it */
364                         g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup(pwd));
365                 } else {
366                         g_hash_table_remove (priv->password_hash, key);
367                         g_free (pwd);
368                         pwd = NULL;
369                 }
370         } else
371                 *cancel = FALSE;
372
373         return pwd;
374 }
375
376
377 static void
378 forget_password (TnyAccount *account)
379 {
380         ModestTnyAccountStore *self;
381         ModestTnyAccountStorePrivate *priv;
382         const TnyAccountStore *account_store;
383         gchar *pwd;
384         const gchar *key;
385         
386         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
387         self = MODEST_TNY_ACCOUNT_STORE (account_store);
388         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
389         key  = tny_account_get_id (account);
390
391         /* Do not remove the key, this will allow us to detect that we
392            have already asked for it at least once */
393         pwd = g_hash_table_lookup (priv->password_hash, key);
394         if (pwd) {
395                 memset (pwd, 0, strlen (pwd));
396                 g_hash_table_insert (priv->password_hash, g_strdup (key), NULL);
397         }
398
399         /* Remove from configuration system */
400         modest_account_mgr_unset (priv->account_mgr,
401                                   key, MODEST_ACCOUNT_PASSWORD,
402                                   TRUE, NULL);
403 }
404
405 /* create a tnyaccount for the server account connected to the account with name 'key'
406  */
407 static TnyAccount*
408 get_tny_account_from_server_account (ModestTnyAccountStore *self,
409                                      ModestServerAccountData *account_data, TnyAccountType type)
410 {
411         TnyAccount *tny_account;
412         ModestTnyAccountStorePrivate *priv;
413                 
414         g_return_val_if_fail (self, NULL);
415         g_return_val_if_fail (account_data, NULL);
416
417         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
418         
419         /* sanity checks */
420         if (account_data->proto == MODEST_PROTOCOL_UNKNOWN) {
421                 g_printerr ("modest: '%s' does not provide a protocol\n",
422                             account_data->account_name);
423                 return NULL;
424         }
425         if ((account_data->proto == MODEST_PROTOCOL_TYPE_TRANSPORT && type != TNY_ACCOUNT_TYPE_TRANSPORT) ||
426             (account_data->proto == MODEST_PROTOCOL_TYPE_STORE     && type != TNY_ACCOUNT_TYPE_STORE)) {
427                 g_printerr ("modest: protocol types do not match <%d,%d>\n", account_data->proto, type);
428                 return NULL;
429         }
430         
431         switch (account_data->proto) {
432         case MODEST_PROTOCOL_TRANSPORT_SENDMAIL:
433         case MODEST_PROTOCOL_TRANSPORT_SMTP:
434                 tny_account = TNY_ACCOUNT(tny_camel_transport_account_new ()); break;
435         case MODEST_PROTOCOL_STORE_POP:
436                 tny_account = TNY_ACCOUNT(tny_camel_pop_store_account_new ()); break;
437         case MODEST_PROTOCOL_STORE_IMAP:
438                 tny_account = TNY_ACCOUNT(tny_camel_imap_store_account_new ()); break;
439         case MODEST_PROTOCOL_STORE_MAILDIR:
440         case MODEST_PROTOCOL_STORE_MBOX:
441                 tny_account = TNY_ACCOUNT(tny_camel_store_account_new()); break;
442         default:
443                 g_return_val_if_reached (NULL);
444         }
445
446         if (!tny_account) {
447                 g_printerr ("modest: could not create tny account for '%s'\n",
448                             account_data->account_name);
449                 return NULL;
450         }
451         tny_account_set_id (tny_account, account_data->account_name);
452
453         /*
454          * FIXME --> bug in tinymail
455          */
456         if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
457                 g_printerr ("modest: BUG: cannot create transports accounts... stay tuned\n");
458                 g_object_unref (G_OBJECT(tny_account));
459                 return NULL;
460         }
461         
462         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), priv->tny_session_camel);
463         tny_account_set_forget_pass_func (tny_account, forget_password);
464         tny_account_set_pass_func (tny_account, get_password);
465
466         /* Proto */
467         tny_account_set_proto (tny_account,
468                                modest_protocol_info_get_protocol_name(account_data->proto));
469         g_object_set_data (G_OBJECT(tny_account), "account_store", (gpointer)self);
470
471         if (account_data->uri) 
472                 tny_account_set_url_string (TNY_ACCOUNT(tny_account), account_data->uri);
473         else {
474                 if (account_data->options) {
475                         GSList *options = account_data->options;
476                         while (options) {
477                                 tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
478                                                               options->data);
479                                 options = g_slist_next (options);
480                         }
481                 }
482                 if (account_data->username) 
483                         tny_account_set_user (tny_account, account_data->username);
484                 if (account_data->hostname)
485                         tny_account_set_hostname (tny_account, account_data->hostname);
486         }
487         return tny_account;
488 }
489
490
491
492 static void
493 modest_tny_account_store_finalize (GObject *obj)
494 {
495         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
496         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
497
498         if (priv->tny_session_camel) {
499                 camel_object_unref (CAMEL_OBJECT(priv->tny_session_camel));
500                 priv->tny_session_camel = NULL;
501         }
502
503         g_free (priv->cache_dir);
504         priv->cache_dir = NULL;
505
506         if (priv->device) {
507                 g_object_unref (priv->device);
508                 priv->device = NULL;
509         }
510         
511         if (priv->password_hash) {
512                 g_hash_table_destroy (priv->password_hash);
513                 priv->password_hash = NULL;
514         }
515
516         if (priv->account_mgr) {
517                 g_object_unref (priv->account_mgr);
518                 priv->account_mgr = NULL;
519         }
520         
521         G_OBJECT_CLASS(parent_class)->finalize (obj);
522 }
523
524
525 ModestTnyAccountStore*
526 modest_tny_account_store_new (ModestAccountMgr *account_mgr) {
527
528         GObject *obj;
529         ModestTnyAccountStorePrivate *priv;
530         
531         g_return_val_if_fail (account_mgr, NULL);
532
533         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
534         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
535
536         priv->account_mgr = account_mgr;
537         g_object_ref (G_OBJECT(priv->account_mgr));
538         
539         /* The session needs the platform factory */
540         priv->tny_session_camel = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
541         if (!priv->tny_session_camel) {
542                 g_printerr ("modest: cannot create TnySessionCamel instance\n");
543                 g_object_unref (obj);
544                 return NULL;
545         }
546         
547         tny_session_camel_set_ui_locker (priv->tny_session_camel, tny_gtk_lockable_new ());
548         /* FIXME: unref this in the end? */
549         
550         /* Connect signals */
551         g_signal_connect (G_OBJECT(account_mgr), "account_changed",
552                                        G_CALLBACK (on_account_changed), obj);
553         g_signal_connect (G_OBJECT(account_mgr), "account_removed",
554                                        G_CALLBACK (on_account_removed), obj);
555
556         return MODEST_TNY_ACCOUNT_STORE(obj);
557 }
558
559
560 static TnyAccount*
561 get_tny_account_from_account (ModestTnyAccountStore *self, ModestAccountData *account_data,
562                               TnyAccountType type) 
563 {
564         TnyAccount *tny_account = NULL;
565         ModestServerAccountData *server_account = NULL;
566
567         if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
568                 server_account = account_data->store_account;
569         else if (type == TNY_ACCOUNT_TYPE_TRANSPORT && account_data->transport_account)
570                 server_account = account_data->transport_account;
571         
572         if (!server_account) {
573                 g_printerr ("modest: no %s account defined for '%s'\n",
574                             type == TNY_ACCOUNT_TYPE_STORE ? "store" : "transport",
575                             account_data->display_name);
576                 return NULL;
577         }
578         
579         tny_account = get_tny_account_from_server_account (self, server_account, type);
580         if (!tny_account) { 
581                 g_printerr ("modest: failed to create tny account for %s (%s)\n",
582                             account_data->account_name, server_account->account_name);
583                 return NULL;
584         }
585
586         /* this name is what shows up in the folder view -- so for some POP/IMAP/... server
587          * account, we set its name to the acount of which it is part */
588         if (account_data->display_name)
589                 tny_account_set_name (tny_account, account_data->display_name); 
590         
591         return tny_account;
592 }
593
594
595 static void
596 modest_tny_account_store_get_accounts  (TnyAccountStore *account_store, TnyList *list,
597                                         TnyGetAccountsRequestType request_type)
598 {
599         TnyAccountType               type;
600         ModestTnyAccountStore        *self;
601         ModestTnyAccountStorePrivate *priv;
602         GSList                       *accounts, *cursor;
603         
604         g_return_if_fail (account_store);
605         g_return_if_fail (TNY_IS_LIST(list));
606         g_return_if_fail (request_type == TNY_ACCOUNT_STORE_STORE_ACCOUNTS ||
607                           request_type == TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS ||
608                           request_type == TNY_ACCOUNT_STORE_BOTH);
609         
610         self        = MODEST_TNY_ACCOUNT_STORE(account_store);
611         priv        = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
612         
613         if (request_type == TNY_ACCOUNT_STORE_BOTH) {
614                 modest_tny_account_store_get_accounts (account_store, list,
615                                                        TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
616                 modest_tny_account_store_get_accounts (account_store, list,
617                                                        TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS);
618                 return;
619         }
620
621         /*
622          * confusingly, tinymail uses both TnyAccountRequestType and TnyAccountType
623          */
624         switch (request_type) {
625         case TNY_ACCOUNT_STORE_STORE_ACCOUNTS    : type = TNY_ACCOUNT_TYPE_STORE; break;
626         case TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS: type = TNY_ACCOUNT_TYPE_TRANSPORT; break;
627         default: g_return_if_reached (); /* 'BOTH' is not possible here */
628         }
629         
630         accounts = modest_account_mgr_account_names (priv->account_mgr, NULL); 
631         for (cursor = accounts; cursor; cursor = cursor->next) {
632                 TnyAccount *tny_account = NULL;
633                 ModestAccountData *account_data =
634                         modest_account_mgr_get_account_data (priv->account_mgr, 
635                                                              (gchar*)cursor->data);
636                 if (account_data && account_data->is_enabled) {
637                         tny_account = get_tny_account_from_account (self, account_data, type);
638                         if (tny_account) {
639                                 tny_list_prepend (list, G_OBJECT(tny_account));
640                                 g_object_unref (G_OBJECT(tny_account));
641                         }
642                 }
643                 g_free (cursor->data);
644                 modest_account_mgr_free_account_data (priv->account_mgr, account_data);
645         }
646         g_slist_free (accounts);
647
648         /* also, add the local folder pseudo-account */
649         if (request_type != TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS) {
650                 if (!priv->local_folders)
651                         priv->local_folders = get_local_folders_account (self);
652                 if (!priv->local_folders)
653                         g_printerr ("modest: no local folders account\n");
654                 else 
655                         tny_list_prepend (list, G_OBJECT(priv->local_folders));
656         }
657 }
658
659 static const gchar*
660 modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
661 {
662         ModestTnyAccountStorePrivate *priv;
663         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
664         
665         if (!priv->cache_dir)
666                 priv->cache_dir = g_build_filename (g_get_home_dir(), 
667                                                     MODEST_DIR,
668                                                     MODEST_CACHE_DIR,
669                                                     "cache", NULL);
670         return priv->cache_dir;
671 }
672
673
674 /*
675  * callers need to unref
676  */
677 static TnyDevice*
678 modest_tny_account_store_get_device (TnyAccountStore *self)
679 {
680         ModestTnyAccountStorePrivate *priv;
681
682         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
683
684         if (!priv->device) 
685                 priv->device = tny_platform_factory_new_device
686                         (modest_tny_platform_factory_get_instance());
687         
688         return g_object_ref (G_OBJECT(priv->device));
689 }
690
691
692
693 static gboolean
694 modest_tny_account_store_alert (TnyAccountStore *self, TnyAlertType type,
695                                 const gchar *prompt)
696 {
697         GtkMessageType gtktype;
698         gboolean retval = FALSE;
699         GtkWidget *dialog;
700
701         switch (type)
702         {
703                 case TNY_ALERT_TYPE_INFO:
704                 gtktype = GTK_MESSAGE_INFO;
705                 break;
706                 case TNY_ALERT_TYPE_WARNING:
707                 gtktype = GTK_MESSAGE_WARNING;
708                 break;
709                 case TNY_ALERT_TYPE_ERROR:
710                 default:
711                 gtktype = GTK_MESSAGE_ERROR;
712                 break;
713         }
714
715         dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
716                 gtktype, GTK_BUTTONS_YES_NO, prompt);
717
718         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_YES)
719                 retval = TRUE;
720
721         gtk_widget_destroy (dialog);
722
723         return retval;
724 }
725
726
727
728 static void
729 modest_tny_account_store_add_store_account  (TnyAccountStore *self,
730                                              TnyStoreAccount *account)
731 {
732         /* we should not need this...*/
733         g_printerr ("modest: add_store_account_func not implemented\n");
734 }
735
736
737 static void
738 modest_tny_account_store_add_transport_account  (TnyAccountStore *self,
739                                                  TnyTransportAccount *account)
740 {       
741         /* we should not need this...*/
742         g_printerr ("modest: add_transport_account_func not implemented\n");
743 }
744
745
746
747 static void
748 modest_tny_account_store_init (gpointer g, gpointer iface_data)
749 {
750         TnyAccountStoreIface *klass;
751
752         g_return_if_fail (g);
753
754         klass = (TnyAccountStoreIface *)g;
755
756         klass->get_accounts_func =
757                 modest_tny_account_store_get_accounts;
758         klass->add_transport_account_func =
759                 modest_tny_account_store_add_transport_account;
760         klass->add_store_account_func =
761                 modest_tny_account_store_add_store_account;
762         klass->get_cache_dir_func =
763                 modest_tny_account_store_get_cache_dir;
764         klass->get_device_func =
765                 modest_tny_account_store_get_device;
766         klass->alert_func =
767                 modest_tny_account_store_alert;
768 }
769
770 void
771 modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
772                                             ModestTnyGetPassFunc func)
773 {
774         /* not implemented, we use signals */
775         g_printerr ("modest: set_get_pass_func not implemented\n");
776 }
777
778 TnySessionCamel*
779 tny_account_store_get_session  (TnyAccountStore *self)
780 {
781         g_return_val_if_fail (self, NULL);      
782         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self)->tny_session_camel;
783 }
784
785
786 TnyAccount*
787 modest_tny_account_store_get_local_folders_account    (ModestTnyAccountStore *self)
788 {
789         g_return_val_if_fail (self, NULL);
790         
791         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->local_folders;
792 }