git.maemo.org Git - modest/blob - src/modest-tny-account-store.c

   1 /* modest-tny-account-store.c */
   2
   3 /* insert (c)/licensing information) */
   4
   5 #include <string.h>
   6
   7 #include <tny-account-iface.h>
   8 #include <tny-account-store-iface.h>
   9 #include <tny-store-account-iface.h>
  10 #include <tny-transport-account-iface.h>
  11 #include <tny-device-iface.h>
  12 #include <tny-device.h>
  13 #include <tny-account-store.h>
  14
  15 #include <tny-store-account.h>
  16 #include <tny-transport-account.h>
  17
  18 #include "modest-account-mgr.h"
  19 #include "modest-tny-account-store.h"
  20
  21 /* 'private'/'protected' functions */
  22 static void modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
  23 static void modest_tny_account_store_init         (ModestTnyAccountStore *obj);
  24 static void modest_tny_account_store_finalize     (GObject *obj);
  25
  26 /* implementations for tny-account-store-iface */
  27 static void    modest_tny_account_store_iface_init              (gpointer g_iface, gpointer iface_data);
  28
  29 static void    modest_tny_account_store_add_store_account       (TnyAccountStoreIface *self,
  30                                                                TnyStoreAccountIface *account);
  31 static void    modest_tny_account_store_add_transport_account   (TnyAccountStoreIface *self,
  32                                                                        TnyTransportAccountIface *account);
  33 static const GList*  modest_tny_account_store_get_store_accounts      (TnyAccountStoreIface *iface);
  34 static const GList*  modest_tny_account_store_get_transport_accounts  (TnyAccountStoreIface *iface);
  35
  36 /* list my signals */
  37 enum {
  38         PASSWORD_REQUESTED_SIGNAL,
  39         LAST_SIGNAL
  40 };
  41
  42 static const gchar *transport_protocols[] = { "smtp", NULL };
  43
  44 typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
  45 struct _ModestTnyAccountStorePrivate {
  46
  47         GMutex *store_lock;
  48         GMutex *transport_lock;
  49         GList *store_accounts;
  50         GList *transport_accounts;
  51         gchar *cache_dir;
  52
  53         TnySessionCamel *tny_session_camel;
  54         TnyDeviceIface  *device;
  55
  56         ModestAccountMgr *modest_acc_mgr;
  57 };
  58 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  59                                                       MODEST_TYPE_TNY_ACCOUNT_STORE, \
  60                                                       ModestTnyAccountStorePrivate))
  61 /* globals */
  62 static GObjectClass *parent_class = NULL;
  63
  64 static guint signals[LAST_SIGNAL] = {0};
  65
  66 GType
  67 modest_tny_account_store_get_type (void)
  68 {
  69         static GType my_type = 0;
  70         if (!my_type) {
  71                 static const GTypeInfo my_info = {
  72                         sizeof(ModestTnyAccountStoreClass),
  73                         NULL,           /* base init */
  74                         NULL,           /* base finalize */
  75                         (GClassInitFunc) modest_tny_account_store_class_init,
  76                         NULL,           /* class finalize */
  77                         NULL,           /* class data */
  78                         sizeof(ModestTnyAccountStore),
  79                         1,              /* n_preallocs */
  80                         (GInstanceInitFunc) modest_tny_account_store_init,
  81                 };
  82
  83                 static const GInterfaceInfo iface_info = {
  84                         (GInterfaceInitFunc) modest_tny_account_store_iface_init,
  85                         NULL,         /* interface_finalize */
  86                         NULL          /* interface_data */
  87                 };
  88                 /* hack hack */
  89                 my_type = g_type_register_static (TNY_TYPE_ACCOUNT_STORE,
  90                                                   "ModestTnyAccountStore", &my_info, 0);
  91
  92                 g_type_add_interface_static (my_type, TNY_TYPE_ACCOUNT_STORE_IFACE,
  93                                              &iface_info);
  94         }
  95         return my_type;
  96 }
  97
  98 static void
  99 modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
 100 {
 101         GObjectClass *gobject_class;
 102         gobject_class = (GObjectClass*) klass;
 103
 104         parent_class            = g_type_class_peek_parent (klass);
 105         gobject_class->finalize = modest_tny_account_store_finalize;
 106
 107         g_type_class_add_private (gobject_class,
 108                                   sizeof(ModestTnyAccountStorePrivate));
 109
 110         signals[PASSWORD_REQUESTED_SIGNAL] =
 111                 g_signal_new ("password_requested",
 112                               G_TYPE_FROM_CLASS (gobject_class),
 113                               G_SIGNAL_RUN_FIRST,
 114                               G_STRUCT_OFFSET(ModestTnyAccountStoreClass, password_requested),
 115                               NULL, NULL,
 116                               g_cclosure_marshal_VOID__POINTER,
 117                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 118 }
 119
 120 static void
 121 modest_tny_account_store_init (ModestTnyAccountStore *obj)
 122 {
 123         ModestTnyAccountStorePrivate *priv =
 124                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
 125
 126         priv->modest_acc_mgr         = NULL;
 127         priv->device                 = NULL;
 128
 129         priv->store_lock             = NULL;
 130         priv->transport_lock         = NULL;
 131         priv->store_accounts         = NULL;
 132         priv->transport_accounts     = NULL;
 133         priv->cache_dir              = NULL;
 134
 135         priv->tny_session_camel      = NULL;
 136 }
 137
 138
 139 static void
 140 free_gobject (GObject *obj, gpointer user_data)
 141 {
 142         if (obj)
 143                 g_object_unref (obj);
 144 }
 145
 146
 147 static GList*
 148 free_gobject_list (GList *list)
 149 {
 150         if (list) {
 151                 g_list_foreach (list, (GFunc)free_gobject, NULL);
 152                 g_list_free (list);
 153         }
 154         return NULL;
 155 }
 156
 157 static gchar*
 158 get_password (TnyAccountIface *account, const gchar *prompt, gboolean *cancel)
 159 {
 160         const gchar *key;
 161         const TnyAccountStoreIface *account_store;
 162         ModestTnyAccountStore *self;
 163         ModestTnyAccountStorePrivate *priv;
 164         gchar *val;
 165
 166         g_return_val_if_fail (account, NULL);
 167
 168         key = tny_account_iface_get_id (account);
 169         account_store = tny_account_iface_get_account_store(account);
 170
 171         self = MODEST_TNY_ACCOUNT_STORE (account_store);
 172         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 173
 174         val = modest_account_mgr_get_server_account_string (priv->modest_acc_mgr, key,
 175                                                                                                 MODEST_ACCOUNT_PASSWORD, NULL);
 176         if (!val) {
 177                 /* FIXME:
 178                  * append the prompt to the emitted signal,
 179                  * so the password dialog shows the prompt supplied by the caller of this function.
 180                  */
 181                 g_signal_emit (G_OBJECT(self), signals[PASSWORD_REQUESTED_SIGNAL], 0, key);
 182         }
 183
 184         return val;
 185 }
 186
 187
 188 static void
 189 forget_password (TnyAccountIface *account)
 190 {
 191         g_warning (__FUNCTION__);
 192 }
 193
 194
 195 static TnyAccountIface*
 196 tny_account_from_key (ModestTnyAccountStore *self, const gchar *key,
 197                       gboolean is_store)
 198 {
 199         TnyAccountIface *tny_account;
 200         ModestTnyAccountStorePrivate *priv;
 201         gchar *val;
 202
 203         g_return_val_if_fail (self, NULL);
 204         g_return_val_if_fail (key, NULL);
 205
 206         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 207
 208         /* is it a store or a transport? */
 209         if (is_store)
 210                 tny_account = TNY_ACCOUNT_IFACE(tny_store_account_new ());
 211         else
 212                 tny_account = TNY_ACCOUNT_IFACE(tny_transport_account_new ());
 213
 214         if (!tny_account) {
 215                 g_warning ("failed to create new tny %s account",
 216                            is_store ? "store" : "transport");
 217                 return NULL;
 218         }
 219
 220         tny_account_iface_set_account_store (TNY_ACCOUNT_IFACE(tny_account),
 221                                              TNY_ACCOUNT_STORE_IFACE(self));
 222         /* id */
 223         tny_account_iface_set_id (tny_account, key);
 224         tny_account_iface_set_name (tny_account, key);
 225
 226         /* proto */
 227         val = modest_account_mgr_get_server_account_string (priv->modest_acc_mgr, key,
 228                                                             MODEST_ACCOUNT_PROTO, NULL);
 229         if (val) {
 230                 tny_account_iface_set_proto (tny_account, val);
 231                 g_free (val);
 232         } else {
 233                 g_warning ("protocol not defined for %s", key);
 234                 g_object_unref (G_OBJECT(tny_account));
 235                 return NULL;
 236         }
 237
 238         /* hostname */
 239         val = modest_account_mgr_get_server_account_string (priv->modest_acc_mgr, key,
 240                                                             MODEST_ACCOUNT_HOSTNAME,
 241                                                             NULL);
 242         if (val) {
 243                 tny_account_iface_set_hostname (tny_account, val);
 244                 g_free (val);
 245         }
 246
 247
 248         /* username */
 249         val = modest_account_mgr_get_server_account_string (priv->modest_acc_mgr, key,
 250                                                             MODEST_ACCOUNT_USERNAME,
 251                                                             NULL);
 252         if (val) {
 253                 tny_account_iface_set_user (tny_account, val);
 254                 g_free (val);
 255         }
 256
 257         tny_account_iface_set_pass_func (tny_account, get_password);
 258         tny_account_iface_set_forget_pass_func (tny_account, forget_password);
 259
 260         return tny_account;
 261 }
 262
 263
 264 static GList*
 265 tny_accounts_from_server_accounts (ModestTnyAccountStore *self, GSList *accounts,
 266                                    gboolean is_store)
 267 {
 268         GSList *cursor = accounts;
 269         GList *tny_accounts = NULL;
 270
 271         g_return_val_if_fail (self, NULL);
 272
 273         while (cursor) {
 274                 TnyAccountIface *tny_account;
 275                 tny_account = tny_account_from_key (self, (gchar*)cursor->data,
 276                                                     is_store);
 277                 if (!tny_account) {
 278                         g_warning ("could not create tnyaccount for %s",
 279                                    (gchar*)cursor->data);
 280                 } else {
 281                         tny_accounts =
 282                                 g_list_append (tny_accounts, tny_account);
 283                 }
 284                 cursor = cursor->next;
 285         }
 286
 287         return tny_accounts;
 288 }
 289
 290
 291 static void
 292 manager_new_account (ModestAccountMgr *modest_acc_mgr, gchar *name, gpointer data)
 293 {
 294         ModestTnyAccountStore *self = data;
 295         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 296         TnyAccountIface *new_account;
 297         gchar *proto;
 298         gint i = 0;
 299         gboolean is_store = TRUE;
 300
 301         g_print ("new account signal %s\n", name);
 302
 303
 304         proto = modest_account_mgr_get_server_account_string (priv->modest_acc_mgr, name,
 305                                                             MODEST_ACCOUNT_PROTO, NULL);
 306         if (!proto) {
 307                 g_printerr ("Cannot add account: unknown type.");
 308                 return;
 309         }
 310
 311         while (transport_protocols [i]) {
 312                 if (!strcmp (transport_protocols [i], proto)) {
 313                         is_store = FALSE;
 314                         break;
 315                 }
 316                 i++;
 317         }
 318
 319         /* fill account lists */
 320         if (!priv->store_accounts)
 321                 modest_tny_account_store_get_store_accounts (TNY_ACCOUNT_STORE_IFACE(self));
 322         if (!priv->transport_accounts)
 323                 modest_tny_account_store_get_transport_accounts (TNY_ACCOUNT_STORE_IFACE(self));
 324
 325
 326         if (is_store) {
 327                         new_account = tny_account_from_key (self, name, is_store);
 328                         g_mutex_lock (priv->store_lock);
 329                         priv->store_accounts = g_list_append (priv->store_accounts, new_account);
 330                         g_mutex_unlock (priv->store_lock);
 331         } else {
 332                         new_account = tny_account_from_key (self, name, is_store);
 333                         g_mutex_lock (priv->transport_lock);
 334                         priv->transport_accounts = g_list_append (priv->transport_accounts, new_account);
 335                         g_mutex_unlock (priv->transport_lock);
 336         }
 337         g_signal_emit (self,
 338                 tny_account_store_iface_signals [TNY_ACCOUNT_STORE_IFACE_ACCOUNT_INSERTED], 0, new_account);
 339 }
 340
 341
 342 static void
 343 manager_remove_account (ModestAccountMgr *modest_acc_mgr, gchar *name, gpointer data)
 344 {
 345         g_print ("remove account signal %s\n", name);
 346 }
 347
 348
 349 static void
 350 manager_change_account (ModestAccountMgr *modest_acc_mgr, gchar *accountname,
 351         gchar *key, gchar* value, gpointer data)
 352 {
 353         ModestTnyAccountStore *self = data;
 354         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 355         GList *iter;
 356         TnyAccountIface *account = NULL;
 357
 358         g_print ("account change signal: account: %s key: %s value: %s\n", accountname, key, value);
 359
 360         /* fill account lists */
 361         if (!priv->store_accounts)
 362                 modest_tny_account_store_get_store_accounts (TNY_ACCOUNT_STORE_IFACE(self));
 363         if (!priv->transport_accounts)
 364                 modest_tny_account_store_get_transport_accounts (TNY_ACCOUNT_STORE_IFACE(self));
 365
 366         for (iter = priv->store_accounts; iter; iter = iter->next) {
 367                 TnyAccountIface *acc = iter->data;
 368                 if (!strcmp (tny_account_iface_get_name (acc), accountname)) {
 369                         account = acc;
 370                         break;
 371                 }
 372         }
 373
 374         if (!account)
 375                 for (iter = priv->transport_accounts; iter; iter = iter->next) {
 376                         TnyAccountIface *acc = iter->data;
 377                         if (!strcmp (tny_account_iface_get_name (acc), accountname)) {
 378                                 account = acc;
 379                                 break;
 380                         }
 381                 }
 382
 383         if (!account) {
 384                 g_printerr ("Couldn't find account - returning without applying changes.");
 385                 return;
 386         }
 387
 388         g_mutex_lock (priv->store_lock);
 389         g_mutex_lock (priv->transport_lock);
 390
 391         if (!strcmp (key, MODEST_ACCOUNT_HOSTNAME))
 392                 tny_account_iface_set_hostname (account, value);
 393         if (!strcmp (key, MODEST_ACCOUNT_USERNAME))
 394                 tny_account_iface_set_user (account, value);
 395
 396         g_mutex_unlock (priv->transport_lock);
 397         g_mutex_unlock (priv->store_lock);
 398
 399         /* TODO: handle protocol and password changes */
 400
 401         g_signal_emit (self,
 402                 tny_account_store_iface_signals [TNY_ACCOUNT_STORE_IFACE_ACCOUNTS_RELOADED], 0);
 403
 404 }
 405
 406
 407 static void
 408 modest_tny_account_store_finalize (GObject *obj)
 409 {
 410         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(obj);
 411         ModestTnyAccountStorePrivate *priv =
 412                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 413
 414         g_signal_handlers_disconnect_by_func (G_OBJECT (priv->modest_acc_mgr),
 415                 G_CALLBACK(manager_new_account), NULL);
 416         g_signal_handlers_disconnect_by_func (G_OBJECT (priv->modest_acc_mgr),
 417                 G_CALLBACK(manager_remove_account), NULL);
 418         g_signal_handlers_disconnect_by_func (G_OBJECT (priv->modest_acc_mgr),
 419                 G_CALLBACK(manager_change_account), NULL);
 420
 421         if (priv->modest_acc_mgr) {
 422                 g_object_unref (G_OBJECT(priv->modest_acc_mgr));
 423                 priv->modest_acc_mgr = NULL;
 424         }
 425
 426         if (priv->tny_session_camel) {
 427                 g_object_unref (G_OBJECT(priv->tny_session_camel));
 428                 priv->tny_session_camel = NULL;
 429         }
 430
 431         if (priv->device) {
 432                 g_object_unref (G_OBJECT(priv->device));
 433                 priv->device = NULL;
 434         }
 435
 436         g_mutex_lock (priv->store_lock);
 437         priv->store_accounts     = free_gobject_list (priv->store_accounts);
 438         g_mutex_unlock (priv->store_lock);
 439
 440         g_mutex_lock (priv->transport_lock);
 441         priv->transport_accounts = free_gobject_list (priv->store_accounts);
 442         g_mutex_unlock (priv->transport_lock);
 443
 444
 445         g_mutex_free (priv->store_lock);
 446         g_mutex_free (priv->transport_lock);
 447
 448         g_free (priv->cache_dir);
 449         priv->cache_dir = NULL;
 450
 451 }
 452
 453
 454 GObject*
 455 modest_tny_account_store_new (ModestAccountMgr *modest_acc_mgr)
 456 {
 457         GObject *obj;
 458         ModestTnyAccountStorePrivate *priv;
 459
 460         g_return_val_if_fail (modest_acc_mgr, NULL);
 461
 462         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
 463
 464         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
 465
 466         g_object_ref(G_OBJECT(modest_acc_mgr));
 467         priv->modest_acc_mgr = modest_acc_mgr;
 468
 469         priv->store_lock = g_mutex_new ();
 470         priv->transport_lock = g_mutex_new ();
 471
 472         priv->device = (TnyDeviceIface*)tny_device_new();
 473         if (!priv->device) {
 474                 g_warning ("Cannot create Device instance");
 475                 g_object_unref (obj);
 476                 return NULL;
 477         }
 478         priv->tny_session_camel = tny_session_camel_new
 479                 (TNY_ACCOUNT_STORE_IFACE(obj));
 480         if (!priv->tny_session_camel) {
 481                 g_warning ("Cannot create TnySessionCamel instance");
 482                 g_object_unref (obj);
 483                 return NULL;
 484         }
 485
 486         g_signal_connect (G_OBJECT (modest_acc_mgr), "account-add",
 487                 G_CALLBACK(manager_new_account), obj);
 488         g_signal_connect (G_OBJECT (modest_acc_mgr), "account-remove",
 489                 G_CALLBACK(manager_remove_account), obj);
 490         g_signal_connect (G_OBJECT (modest_acc_mgr), "account-change",
 491                 G_CALLBACK(manager_change_account), obj);
 492
 493         return obj;
 494 }
 495
 496
 497 static gboolean
 498 add_account  (TnyAccountStoreIface *self, TnyAccountIface *account)
 499 {
 500         TnyAccountIface       *account_iface;
 501         ModestTnyAccountStore *account_store;
 502         ModestTnyAccountStorePrivate *priv;
 503
 504         const gchar *account_name;
 505         const gchar *hostname, *username, *proto;
 506
 507         g_return_val_if_fail (self, FALSE);
 508         g_return_val_if_fail (account, FALSE);
 509
 510         account_iface  = TNY_ACCOUNT_IFACE(account);
 511         account_store  = MODEST_TNY_ACCOUNT_STORE(self);
 512         priv           = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 513
 514         account_name   = tny_account_iface_get_id(account_iface);
 515         if (!account_name) {
 516                 g_warning ("failed to retrieve account name");
 517                 return FALSE;
 518         }
 519
 520         hostname =  tny_account_iface_get_hostname(account_iface);
 521         username =  tny_account_iface_get_user(account_iface);
 522         proto    =  tny_account_iface_get_proto(account_iface);
 523
 524         return modest_account_mgr_add_server_account (priv->modest_acc_mgr,
 525                                                       account_name,
 526                                                       hostname, username, NULL,
 527                                                       proto);
 528 }
 529
 530
 531 static void
 532 modest_tny_account_store_add_store_account  (TnyAccountStoreIface *self,
 533                                              TnyStoreAccountIface *account)
 534 {
 535         if (!add_account (self, TNY_ACCOUNT_IFACE(account)))
 536                 g_warning ("failed to add store account");
 537 }
 538
 539
 540 static void
 541 modest_tny_account_store_add_transport_account  (TnyAccountStoreIface *self,
 542                                                  TnyTransportAccountIface *account)
 543 {
 544         if (!add_account (self, TNY_ACCOUNT_IFACE(account)))
 545                 g_warning ("failed to add transport account");
 546 }
 547
 548
 549 static const GList*
 550 modest_tny_account_store_get_store_accounts  (TnyAccountStoreIface *iface)
 551 {
 552         ModestTnyAccountStore        *self;
 553         ModestTnyAccountStorePrivate *priv;
 554         GSList                       *accounts;
 555
 556         g_return_val_if_fail (iface, NULL);
 557
 558         self = MODEST_TNY_ACCOUNT_STORE(iface);
 559         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 560
 561         if (!priv->store_accounts) {
 562                 accounts =
 563                         modest_account_mgr_server_account_names (priv->modest_acc_mgr,
 564                                                                  NULL,
 565                                                                  MODEST_PROTO_TYPE_STORE,
 566                                                                  NULL, FALSE);
 567
 568                 g_mutex_lock (priv->store_lock);
 569                 priv->store_accounts = tny_accounts_from_server_accounts (self, accounts, TRUE);
 570                 g_mutex_unlock (priv->store_lock);
 571                 g_slist_free (accounts);
 572         }
 573
 574         return priv->store_accounts;
 575 }
 576
 577
 578 static const GList*
 579 modest_tny_account_store_get_transport_accounts (TnyAccountStoreIface *iface)
 580 {
 581         ModestTnyAccountStore        *self;
 582         ModestTnyAccountStorePrivate *priv;
 583         GSList                       *accounts;
 584
 585         g_return_val_if_fail (iface, NULL);
 586
 587         self = MODEST_TNY_ACCOUNT_STORE(iface);
 588         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 589
 590
 591         if (!priv->transport_accounts) {
 592                 accounts =
 593                         modest_account_mgr_server_account_names (priv->modest_acc_mgr,
 594                                                                  NULL,
 595                                                                  MODEST_PROTO_TYPE_TRANSPORT,
 596                                                                  NULL, FALSE);
 597                 g_mutex_lock (priv->transport_lock);
 598                 priv->transport_accounts = tny_accounts_from_server_accounts (self, accounts, FALSE);
 599                 g_mutex_unlock (priv->transport_lock);
 600                 g_slist_free (accounts);
 601         }
 602
 603
 604         return priv->transport_accounts;
 605 }
 606
 607
 608 ModestAccountMgr
 609 *modest_tny_account_store_get_accout_mgr(ModestTnyAccountStore *self)
 610 {
 611         ModestTnyAccountStorePrivate *priv;
 612         g_return_val_if_fail (self, NULL);
 613
 614         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 615
 616         return priv->modest_acc_mgr;
 617 }
 618
 619
 620 TnySessionCamel*
 621 tny_account_store_get_session (TnyAccountStore *self)
 622 {
 623         ModestTnyAccountStorePrivate *priv;
 624         g_return_val_if_fail (self, NULL);
 625
 626         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 627
 628         return priv->tny_session_camel;
 629 }
 630
 631
 632 /**
 633  * modest_tny_account_store_get_cache_dir:
 634  * @self: self a TnyAccountStoreIface instance
 635  *
 636  * returns the pathname of the cache directory
 637  *
 638  * Returns: a string with the value of the pathname
 639  * to the cache directory or NULL if the environment variable $HOME is
 640  * not set. string should _not_ be freed by caller
 641  */
 642 static const gchar*
 643 modest_tny_account_store_get_cache_dir (TnyAccountStoreIface *self)
 644 {
 645         ModestTnyAccountStorePrivate *priv;
 646         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 647
 648         if (!priv->cache_dir) {
 649                 if (g_getenv("HOME") != NULL)
 650                         priv->cache_dir = g_strconcat(g_getenv("HOME"),
 651                                                       "/.modest/cache/", NULL);
 652         }
 653         return priv->cache_dir;
 654 }
 655
 656
 657 static const TnyDeviceIface*
 658 modest_tny_account_store_get_device (TnyAccountStoreIface *self)
 659 {
 660         ModestTnyAccountStorePrivate *priv;
 661
 662         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
 663
 664         return priv->device;
 665 }
 666
 667
 668 static void
 669 modest_tny_account_store_iface_init (gpointer g_iface, gpointer iface_data)
 670 {
 671         TnyAccountStoreIfaceClass *klass;
 672
 673         g_return_if_fail (g_iface);
 674
 675         klass = (TnyAccountStoreIfaceClass *)g_iface;
 676
 677         klass->add_store_account_func      =
 678                 modest_tny_account_store_add_store_account;
 679         klass->get_store_accounts_func     =
 680                 modest_tny_account_store_get_store_accounts;
 681         klass->add_transport_account_func  =
 682                 modest_tny_account_store_add_transport_account;
 683         klass->get_transport_accounts_func =
 684                 modest_tny_account_store_get_transport_accounts;
 685         klass->get_cache_dir_func =
 686                 modest_tny_account_store_get_cache_dir;
 687         klass->get_device_func =
 688                 modest_tny_account_store_get_device;
 689 }