2007-05-23 Murray Cumming <murrayc@murrayc.com>
[modest] / src / modest-tny-account-store.c
index b971bf4..5c3385f 100644 (file)
 #include <tny-account.h>
 #include <tny-account-store.h>
 #include <tny-store-account.h>
+#include <tny-error.h>
 #include <tny-transport-account.h>
-#include <tny-device.h>
 #include <tny-simple-list.h>
 #include <tny-account-store.h>
 #include <tny-camel-transport-account.h>
 #include <tny-camel-imap-store-account.h>
 #include <tny-camel-pop-store-account.h>
+
+#include <modest-runtime.h>
 #include <modest-marshal.h>
 #include <modest-protocol-info.h>
 #include <modest-local-folder-info.h>
 #include <tny-gtk-lockable.h>
 #include <camel/camel.h>
 
+#ifdef MODEST_PLATFORM_MAEMO
+#include <tny-maemo-conic-device.h>
+#ifdef MODEST_HILDON_VERSION_0
+#include <hildon-widgets/hildon-note.h>
+#else
+#include <hildon/hildon-note.h>
+#endif
+#endif
+
 /* 'private'/'protected' functions */
 static void modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
 //static void modest_tny_account_store_init         (ModestTnyAccountStore *obj);
@@ -62,6 +73,10 @@ static void    modest_tny_account_store_instance_init (ModestTnyAccountStore *ob
 static void    modest_tny_account_store_init          (gpointer g, gpointer iface_data);
 
 
+static void
+get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type);
+
+
 /* list my signals */
 enum {
        ACCOUNT_UPDATE_SIGNAL,
@@ -73,13 +88,21 @@ typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
 struct _ModestTnyAccountStorePrivate {
        gchar              *cache_dir;  
        GHashTable         *password_hash;
-       TnyDevice          *device;
        ModestAccountMgr   *account_mgr;
        TnySessionCamel    *session;
+       TnyDevice          *device;
        
-       /* we cache them here */
+       /* We cache the lists of accounts here.
+        * They are created in our get_accounts_func() implementation. */
        GSList             *store_accounts;
        GSList             *transport_accounts;
+       
+       /* This is also contained in store_accounts,
+        * but we cached it temporarily separately, 
+        * because we create this while creating the transport accounts, 
+        * but return it when requesting the store accounts: 
+        */
+       GSList             *store_accounts_outboxes;
 };
 
 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
@@ -152,8 +175,8 @@ modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
                               G_SIGNAL_RUN_FIRST,
                               G_STRUCT_OFFSET(ModestTnyAccountStoreClass, password_requested),
                               NULL, NULL,
-                              modest_marshal_VOID__STRING_POINTER_POINTER_POINTER,
-                              G_TYPE_NONE, 4, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER,
+                              modest_marshal_VOID__STRING_POINTER_POINTER_POINTER_POINTER,
+                              G_TYPE_NONE, 5, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER,
                               G_TYPE_POINTER);
 }
 
@@ -166,18 +189,29 @@ modest_tny_account_store_instance_init (ModestTnyAccountStore *obj)
 
        priv->cache_dir              = NULL;
        priv->account_mgr            = NULL;
-       priv->device                 = NULL;
        priv->session                = NULL;
+       priv->device                 = NULL;
        
+       /* An in-memory store of passwords, 
+        * for passwords that are not remembered in the configuration,
+         * so they need to be asked for from the user once in each session:
+         */
        priv->password_hash          = g_hash_table_new_full (g_str_hash, g_str_equal,
                                                              g_free, g_free);
 }
 
+
+
 static void
 account_list_free (GSList *accounts)
 {
        GSList *cursor = accounts;
+
        while (cursor) {
+               if (G_IS_OBJECT(cursor->data)) { /* check twice... */
+                       const gchar *id = tny_account_get_id(TNY_ACCOUNT(cursor->data));
+                       modest_runtime_verify_object_last_ref(cursor->data,id);
+               }                       
                g_object_unref (G_OBJECT(cursor->data));
                cursor = cursor->next;
        }
@@ -195,11 +229,17 @@ on_account_removed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean se
        /* FIXME: make this more finegrained; changes do not really affect _all_
         * accounts, and some do not affect tny accounts at all (such as 'last_update')
         */
+       
        account_list_free (priv->store_accounts);
-       priv->store_accounts = NULL;
+       get_server_accounts (TNY_ACCOUNT_STORE(self), NULL, TNY_ACCOUNT_TYPE_STORE);
        
        account_list_free (priv->transport_accounts);
-       priv->transport_accounts = NULL;
+       get_server_accounts (TNY_ACCOUNT_STORE(self), NULL,
+                                                       TNY_ACCOUNT_TYPE_TRANSPORT);
+               
+       /* TODO: Ref these when we add them? */
+       g_slist_free (priv->store_accounts_outboxes);
+       priv->store_accounts_outboxes = NULL;
        
        g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
                       account);
@@ -207,8 +247,9 @@ on_account_removed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean se
 
 
 static void
-on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean server_account,
-                   const gchar *key, gpointer user_data)
+on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account,
+                   const gchar *key, gboolean server_account, gpointer user_data)
+
 {
        ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
        ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
@@ -216,13 +257,22 @@ on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean se
        /* FIXME: make this more finegrained; changes do not really affect _all_
         * accounts, and some do not affect tny accounts at all (such as 'last_update')
         */
-       account_list_free (priv->store_accounts);
-       priv->store_accounts = NULL;
-       
-       account_list_free (priv->transport_accounts);
-       priv->transport_accounts = NULL;
+       if (server_account) {
+               if (priv->store_accounts) {
+                       account_list_free (priv->store_accounts);
+                       priv->store_accounts = NULL;
+                       get_server_accounts (TNY_ACCOUNT_STORE(self),
+                                                    NULL, TNY_ACCOUNT_TYPE_STORE);
+               }
+               
+               if (priv->transport_accounts) {
+                       account_list_free (priv->transport_accounts);
+                       priv->transport_accounts = NULL;
+                       get_server_accounts (TNY_ACCOUNT_STORE(self), NULL,
+                                                    TNY_ACCOUNT_TYPE_TRANSPORT);
+               }
+       }
 
-       
        g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
                       account);
 }
@@ -235,13 +285,21 @@ get_account_store_for_account (TnyAccount *account)
                                                           "account_store"));
 }
 
+/* This callback will be called by Tinymail when it needs the password
+ * from the user, for instance if the password was not remembered.
+ * Note that TnyAccount here will be the server account. */
 static gchar*
 get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
 {
+       /* Initialize the output parameter: */
+       if (cancel)
+         *cancel = FALSE;
+         
        const gchar *key;
        const TnyAccountStore *account_store;
        ModestTnyAccountStore *self;
        ModestTnyAccountStorePrivate *priv;
+       gchar *username = NULL;
        gchar *pwd = NULL;
        gpointer pwd_ptr;
        gboolean already_asked;
@@ -251,9 +309,8 @@ get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
        
        self = MODEST_TNY_ACCOUNT_STORE (account_store);
         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
-
-       g_warning ("prompt: %s", prompt);
        
+       /* This hash map stores passwords, including passwords that are not stored in gconf. */
        /* is it in the hash? if it's already there, it must be wrong... */
        pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
                                   * type-punned ptrs...*/
@@ -265,27 +322,29 @@ get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
        /* if the password is not already there, try ModestConf */
        if (!already_asked) {
                pwd  = modest_account_mgr_get_string (priv->account_mgr,
-                                                     key, MODEST_ACCOUNT_PASSWORD,
-                                                     TRUE, NULL);
+                                                     key, MODEST_ACCOUNT_PASSWORD, TRUE);
                g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup (pwd));
        }
 
        /* if it was already asked, it must have been wrong, so ask again */
        if (already_asked || !pwd || strlen(pwd) == 0) {
-
                /* we don't have it yet. Get the password from the user */
-               const gchar* name = tny_account_get_name (account);
+               const gchar* account_id = tny_account_get_id (account);
                gboolean remember = FALSE;
                pwd = NULL;
                
+               /* Note that we ignore the returned username here,
+                * because it is enough that it will be stored in gconf 
+                * by the signal handler. */
                g_signal_emit (G_OBJECT(self), signals[PASSWORD_REQUESTED_SIGNAL], 0,
-                              name, &pwd, cancel, &remember);
+                              account_id, /* server_account_name */
+                              &username, &pwd, cancel, &remember);
                
                if (!*cancel) {
                        if (remember)
                                modest_account_mgr_set_string (priv->account_mgr,key,
                                                               MODEST_ACCOUNT_PASSWORD,
-                                                              pwd, TRUE, NULL);
+                                                              pwd, TRUE);
                        /* We need to dup the string even knowing that
                           it's already a dup of the contents of an
                           entry, because it if it's wrong, then camel
@@ -293,21 +352,27 @@ get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
                        g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup(pwd));
                } else {
                        g_hash_table_remove (priv->password_hash, key);
+                       
                        g_free (pwd);
                        pwd = NULL;
                }
+
+               g_free (username);
+               username = NULL;
        } else
                *cancel = FALSE;
-
-       //g_warning ("pwd: '%s', cancel:%s", pwd, *cancel?"yes":"no");
  
+    /* printf("  DEBUG: %s: returning %s\n", __FUNCTION__, pwd); */
+       
        return pwd;
 }
 
-
+/* tinymail calls this if the connection failed due to an incorrect password.
+ * And it seems to call this for any general connection failure. */
 static void
 forget_password (TnyAccount *account)
 {
+       printf ("DEBUG: %s\n", __FUNCTION__);
        ModestTnyAccountStore *self;
        ModestTnyAccountStorePrivate *priv;
        const TnyAccountStore *account_store;
@@ -329,8 +394,7 @@ forget_password (TnyAccount *account)
 
        /* Remove from configuration system */
        modest_account_mgr_unset (priv->account_mgr,
-                                 key, MODEST_ACCOUNT_PASSWORD,
-                                 TRUE, NULL);
+                                 key, MODEST_ACCOUNT_PASSWORD, TRUE);
 }
 
 
@@ -339,14 +403,11 @@ modest_tny_account_store_finalize (GObject *obj)
 {
        ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
        ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+       
+       //gboolean debug = modest_runtime_get_debug_flags() & MODEST_RUNTIME_DEBUG_DEBUG_OBJECTS;
 
        g_free (priv->cache_dir);
        priv->cache_dir = NULL;
-
-       if (priv->device) {
-               g_object_unref (priv->device);
-               priv->device = NULL;
-       }
        
        if (priv->password_hash) {
                g_hash_table_destroy (priv->password_hash);
@@ -354,46 +415,53 @@ modest_tny_account_store_finalize (GObject *obj)
        }
 
        if (priv->account_mgr) {
-               g_object_unref (priv->account_mgr);
+               g_object_unref (G_OBJECT(priv->account_mgr));
                priv->account_mgr = NULL;
        }
-       
-       if (priv->session) {
-               camel_object_unref (CAMEL_OBJECT(priv->session));
-               priv->session = NULL;
+
+       if (priv->device) {
+               g_object_unref (G_OBJECT(priv->device));
+               priv->device = NULL;
        }
-       
+
        /* this includes the local folder */
        account_list_free (priv->store_accounts);
        priv->store_accounts = NULL;
        
        account_list_free (priv->transport_accounts);
        priv->transport_accounts = NULL;
+
+       if (priv->session) {
+               camel_object_unref (CAMEL_OBJECT(priv->session));
+               priv->session = NULL;
+       }
        
        G_OBJECT_CLASS(parent_class)->finalize (obj);
 }
 
 
 ModestTnyAccountStore*
-modest_tny_account_store_new (ModestAccountMgr *account_mgr) {
+modest_tny_account_store_new (ModestAccountMgr *account_mgr, TnyDevice *device) {
 
        GObject *obj;
        ModestTnyAccountStorePrivate *priv;
-       TnyList *list;
+       TnyList *list; 
        
        g_return_val_if_fail (account_mgr, NULL);
+       g_return_val_if_fail (device, NULL);
 
        obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
        priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
 
-       priv->account_mgr = account_mgr;
-       g_object_ref (G_OBJECT(priv->account_mgr));
-
+       priv->account_mgr = g_object_ref (G_OBJECT(account_mgr));
+       priv->device = g_object_ref (device);
+       
        priv->session = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
        
        tny_session_camel_set_ui_locker (priv->session,  tny_gtk_lockable_new ());
        /* FIXME: unref this in the end? */
-
+       tny_session_camel_set_async_connecting (priv->session, TRUE);
+       
        /* force a cache fill... ugly */
        list = TNY_LIST(tny_simple_list_new());
        tny_account_store_get_accounts (TNY_ACCOUNT_STORE(obj), list,
@@ -409,7 +477,7 @@ modest_tny_account_store_new (ModestAccountMgr *account_mgr) {
        return MODEST_TNY_ACCOUNT_STORE(obj);
 }
 
-
+/** Fill the TnyList from the appropriate cached GSList of accounts. */
 static void
 get_cached_accounts (TnyAccountStore *self, TnyList *list, TnyAccountType type)
 {
@@ -426,52 +494,160 @@ get_cached_accounts (TnyAccountStore *self, TnyList *list, TnyAccountType type)
        }
 }
 
-/* this function fills the TnyList, and also returns a GSList of the accounts,
- * for caching purposes
+static void
+create_per_account_local_outbox_folders (TnyAccountStore *self)
+{
+       g_return_if_fail (self);
+       
+       ModestTnyAccountStorePrivate *priv = 
+               MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+       
+       /* printf("DEBUG: %s: priv->store_accounts_outboxes = %p\n", __FUNCTION__, priv->store_accounts_outboxes); */
+               
+       if (priv->store_accounts_outboxes) {
+                       return;
+       }
+       
+       /* Create the transport accounts, if necessary: */
+       if (!(priv->transport_accounts)) {
+               get_server_accounts (self, NULL /* TnyList */, 
+                       TNY_ACCOUNT_TYPE_TRANSPORT);
+       }
+       
+       GSList *accounts = NULL;
+       
+       GSList *account_names  = modest_account_mgr_account_names (priv->account_mgr, 
+               TRUE /* including disabled accounts */);
+       
+       GSList *iter = account_names;
+       for (iter = priv->transport_accounts; iter; iter = g_slist_next (iter)) {
+               
+               TnyAccount *transport_account = (TnyAccount*)iter->data;
+               
+               /* Create a per-account local outbox folder (a _store_ account) 
+                * for each _transport_ account: */
+               TnyAccount *tny_account_outbox =
+                       modest_tny_account_new_for_per_account_local_outbox_folder (
+                               priv->account_mgr, transport_account, priv->session);
+                               
+               accounts = g_slist_append (accounts, tny_account_outbox); /* cache it */
+       };
+       
+       priv->store_accounts_outboxes = accounts;
+}
+
+/* This function fills the TnyList, and also stores a GSList of the accounts,
+ * for caching purposes. It creates the TnyAccount objects if necessary.
+ * The @list parameter may be NULL, if you just want to fill the cache.
  */
-static GSList*
-get_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type)
+static void
+get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type)
 {
-       ModestTnyAccountStorePrivate *priv;
-       GSList                       *account_names, *cursor;
-       GSList                       *accounts = NULL;
+       g_return_if_fail (self);
        
-       priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
-       account_names = modest_account_mgr_account_names (priv->account_mgr, NULL);
+       /* printf ("DEBUG: %s: list=%p, type=%d\n", __FUNCTION__, list, type); */
+               
+       ModestTnyAccountStorePrivate *priv = 
+               MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+               
+       /* Do nothing if the accounts are already cached: */
+       if (type == TNY_ACCOUNT_TYPE_STORE) {
+                       if (priv->store_accounts)
+                               return;
+       } else if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
+                       if (priv->transport_accounts)
+                               return;
+       }
        
+       GSList                       *account_names = NULL, *cursor = NULL;
+       GSList                       *accounts = NULL;
+
+       /* these account names, not server_account names */
+       account_names = modest_account_mgr_account_names (priv->account_mgr,FALSE);
+               
        for (cursor = account_names; cursor; cursor = cursor->next) {
                
                gchar *account_name = (gchar*)cursor->data;
                
-               /* only return enabled accounts */
+               /* we get the server_accounts for enabled accounts */
                if (modest_account_mgr_get_enabled(priv->account_mgr, account_name)) {
+                               
+                       /* Add the account: */
                        TnyAccount *tny_account = 
-                               modest_tny_account_new_from_account (priv->account_mgr, account_name,
-                                                                    type, priv->session, get_password,
+                               modest_tny_account_new_from_account (priv->account_mgr,
+                                                                    account_name,
+                                                                    type, priv->session,
+                                                                    get_password,
                                                                     forget_password);
-                       if (tny_account) { /* something went wrong */
-                               g_object_set_data (G_OBJECT(tny_account), "account_store", (gpointer)self);
-                               tny_list_prepend (list, G_OBJECT(tny_account));
-                               accounts = g_slist_append (accounts, tny_account); /* cache it */
+                       if (tny_account) {
+                               g_object_set_data (G_OBJECT(tny_account), "account_store",
+                                                  (gpointer)self);
+                               if (list)
+                                       tny_list_prepend (list, G_OBJECT(tny_account));
+                               
+                               accounts = g_slist_append (accounts, tny_account); /* cache it */               
                        } else
-                               g_printerr ("modest: failed to create account for %s\n", account_name);
-               }
+                               g_printerr ("modest: failed to create account for %s\n",
+                                           account_name);
+                       }
                g_free (account_name);
        }
        g_slist_free (account_names);
-
-       /* also, add the local folder pseudo-account */
+       
        if (type == TNY_ACCOUNT_TYPE_STORE) {
+               /* Also add the local folder pseudo-account: */
                TnyAccount *tny_account =
                        modest_tny_account_new_for_local_folders (priv->account_mgr, priv->session);
-               tny_list_prepend (list, G_OBJECT(tny_account));
+               if (list)
+                       tny_list_prepend (list, G_OBJECT(tny_account));
                accounts = g_slist_append (accounts, tny_account); /* cache it */
        }
-
-       return accounts;
-}
        
+       /* Do this here, in case create_per_account_local_outbox_folders() needs it. */
+       if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
+                       /* Store the cache: */
+                       priv->transport_accounts = accounts;
+       }
+       
+       /* We also create a per-account local outbox folder (a _store_ account) 
+        * for each _transport_ account. */
+       if (type == TNY_ACCOUNT_TYPE_TRANSPORT) {
+               /* Now would be a good time to create the per-account local outbox folder 
+                * _store_ accounts corresponding to each transport account: */
+               if (!priv->store_accounts_outboxes) {
+                       create_per_account_local_outbox_folders (self);
+               }
+       }
+       
+       /* But we only return the per-account local outbox folder when 
+        * _store_ accounts are requested. */
+       if (type == TNY_ACCOUNT_TYPE_STORE) {
+               /* Create them if necessary, 
+                * (which also requires creating the transport accounts, 
+                * if necessary.) */
+               if (!priv->store_accounts_outboxes) {
+                       create_per_account_local_outbox_folders (self);
+               }
+       
+               /* Add them to the TnyList: */
+               if (priv->store_accounts_outboxes) {
+                       GSList *iter = NULL;
+                       for (iter = priv->store_accounts_outboxes; iter; iter = g_slist_next (iter)) {
+                               TnyAccount *outbox_account = (TnyAccount*)iter->data;
+                               if (list && outbox_account)
+                                       tny_list_prepend (list,  G_OBJECT(outbox_account));
+                                       
+                               accounts = g_slist_append (accounts, outbox_account);
+                       }
+               }
+       }
+               
+       if (type == TNY_ACCOUNT_TYPE_STORE) {
+                       /* Store the cache: */
+                       priv->store_accounts = accounts;
+       }
+}      
+
 
 static void
 modest_tny_account_store_get_accounts  (TnyAccountStore *self, TnyList *list,
@@ -485,22 +661,22 @@ modest_tny_account_store_get_accounts  (TnyAccountStore *self, TnyList *list,
        priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
        
        if (request_type == TNY_ACCOUNT_STORE_BOTH) {
-               modest_tny_account_store_get_accounts (self, list, TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
-               modest_tny_account_store_get_accounts (self, list, TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS);
+               modest_tny_account_store_get_accounts (self, list,
+                                                      TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
+               modest_tny_account_store_get_accounts (self, list,
+                                                      TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS);
                return;
        }
        
        if (request_type == TNY_ACCOUNT_STORE_STORE_ACCOUNTS)  {
-               
                if (!priv->store_accounts)
-                       priv->store_accounts = get_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
+                       get_server_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
                else
                        get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
-
+               
        } else if (request_type == TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS) {
-
                if (!priv->transport_accounts)
-                       priv->transport_accounts = get_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
+                       get_server_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
                else
                        get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
        } else
@@ -516,9 +692,7 @@ modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
        
        if (!priv->cache_dir)
                priv->cache_dir = g_build_filename (g_get_home_dir(), 
-                                                   MODEST_DIR,
-                                                   MODEST_CACHE_DIR,
-                                                   "cache", NULL);
+                                                   MODEST_DIR, MODEST_CACHE_DIR, NULL);
        return priv->cache_dir;
 }
 
@@ -531,25 +705,113 @@ modest_tny_account_store_get_device (TnyAccountStore *self)
 {
        ModestTnyAccountStorePrivate *priv;
 
-       priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self);
+       g_return_val_if_fail (self, NULL);
+       
+       priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+
+       if (priv->device)
+               return g_object_ref (G_OBJECT(priv->device));
+       else
+               return NULL;
+}
+
 
-       if (!priv->device) 
-               priv->device = tny_platform_factory_new_device
-                       (modest_tny_platform_factory_get_instance());
+static TnyAccount*
+modest_tny_account_store_find_account_by_url (TnyAccountStore *self, const gchar* url_string)
+{
+       TnyAccount *account = NULL;
+       ModestTnyAccountStorePrivate *priv;     
+       GSList *cursor;
+       
+       g_return_val_if_fail (self, NULL);
+       g_return_val_if_fail (url_string, NULL);
        
-       return g_object_ref (G_OBJECT(priv->device));
+       priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+
+       for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
+               if (tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), url_string)) {
+                       account = TNY_ACCOUNT(cursor->data);
+                       break;
+               }
+       }
+
+       if (!account) {
+               for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
+                       if (tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), url_string)) {
+                               account = TNY_ACCOUNT(cursor->data);
+                               break;
+                       }
+               }
+       }
+
+       if (account)
+               g_object_ref (G_OBJECT(account));
+
+       return account;
 }
 
 
 
 static gboolean
 modest_tny_account_store_alert (TnyAccountStore *self, TnyAlertType type,
-                               const gchar *prompt)
+                               gboolean question, const GError *error)
 {
-       GtkMessageType gtktype;
-       gboolean retval = FALSE;
-       GtkWidget *dialog;
+       g_return_val_if_fail (error, FALSE);
 
+       if ((error->domain != TNY_ACCOUNT_ERROR) 
+               && (error->domain != TNY_ACCOUNT_STORE_ERROR)) {
+               g_warning("%s: Unexpected error domain: != TNY_ACCOUNT_ERROR: %d, message=%s", 
+                       __FUNCTION__, error->domain, error->message); 
+               return FALSE;
+       }
+       
+       /* printf("DEBUG: %s: error->message=%s\n", __FUNCTION__, error->message); */
+       
+
+       /* const gchar *prompt = NULL; */
+       gchar *prompt = NULL;
+       switch (error->code) {
+               case TNY_ACCOUNT_ERROR_TRY_CONNECT:
+               /* The tinymail camel implementation just sends us this for almost 
+                * everything, so we have to guess at the cause.
+                * It could be a wrong password, or inability to resolve a hostname, 
+                * or lack of network, or something entirely different: */
+               case TNY_ACCOUNT_STORE_ERROR_UNKNOWN_ALERT: 
+                   g_debug ("%s: Handling GError domain=%d, code=%d, message=%s", 
+                               __FUNCTION__, error->domain, error->code, error->message);
+                       
+                       /* TODO: Remove the internal error message for the real release.
+                        * This is just so the testers can give us more information: */
+                       /* prompt = _("Modest account not yet fully configured."); */
+                       prompt = g_strdup_printf(_("Modest account not yet fully configured. Error=%s"), 
+                               error->message);
+                       break;
+               default:
+                       g_warning ("%s: Unhandled GError code: %d, message=%s", 
+                               __FUNCTION__, error->code, error->message);
+                       prompt = NULL;
+               break;
+       }
+       
+       if (!prompt)
+               return FALSE;
+
+#ifdef MODEST_PLATFORM_MAEMO
+       /* The Tinymail documentation says that we should show Yes and No buttons, 
+        * when it is a question.
+        * Obviously, we need tinymail to use more specific error codes instead,
+        * so we know what buttons to show. */
+        GtkWidget *dialog = NULL;
+        if (question) {
+               dialog = GTK_WIDGET (hildon_note_new_confirmation (NULL, 
+                       prompt));
+        } else {
+               dialog = GTK_WIDGET (hildon_note_new_information (NULL, 
+                       prompt));
+        }
+#else
+
+       GtkMessageType gtktype = GTK_MESSAGE_ERROR;
        switch (type)
        {
                case TNY_ALERT_TYPE_INFO:
@@ -563,39 +825,29 @@ modest_tny_account_store_alert (TnyAccountStore *self, TnyAlertType type,
                gtktype = GTK_MESSAGE_ERROR;
                break;
        }
-
-       dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
+       
+       GtkWidget *dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
                gtktype, GTK_BUTTONS_YES_NO, prompt);
+#endif /* #ifdef MODEST_PLATFORM_MAEMO */
 
-       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_YES)
-               retval = TRUE;
+       gboolean retval = TRUE;
+       const int response = gtk_dialog_run (GTK_DIALOG (dialog));
+       if (question) {
+               retval = (response == GTK_RESPONSE_YES) ||
+                                (response == GTK_RESPONSE_OK); 
+       }
 
        gtk_widget_destroy (dialog);
-
-       return retval;
-}
-
-
-
-static void
-modest_tny_account_store_add_store_account  (TnyAccountStore *self,
-                                            TnyStoreAccount *account)
-{
-       /* we should not need this...*/
-       g_printerr ("modest: add_store_account_func not implemented\n");
-}
+       
+       /* TODO: Don't free this when we no longer strdup the message for testers. */
+       g_free (prompt);
 
 
-static void
-modest_tny_account_store_add_transport_account  (TnyAccountStore *self,
-                                                TnyTransportAccount *account)
-{      
-       /* we should not need this...*/
-       g_printerr ("modest: add_transport_account_func not implemented\n");
+       printf("DEBUG: %s: returning %d\n", __FUNCTION__, retval);
+       return retval;
 }
 
 
-
 static void
 modest_tny_account_store_init (gpointer g, gpointer iface_data)
 {
@@ -607,16 +859,14 @@ modest_tny_account_store_init (gpointer g, gpointer iface_data)
 
        klass->get_accounts_func =
                modest_tny_account_store_get_accounts;
-       klass->add_transport_account_func =
-               modest_tny_account_store_add_transport_account;
-       klass->add_store_account_func =
-               modest_tny_account_store_add_store_account;
        klass->get_cache_dir_func =
                modest_tny_account_store_get_cache_dir;
        klass->get_device_func =
                modest_tny_account_store_get_device;
        klass->alert_func =
                modest_tny_account_store_alert;
+       klass->find_account_func =
+               modest_tny_account_store_find_account_by_url;
 }
 
 void
@@ -628,9 +878,9 @@ modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
 }
 
 TnySessionCamel*
-tny_account_store_get_session  (TnyAccountStore *self)
+modest_tny_account_store_get_session  (TnyAccountStore *self)
 {
-       g_return_val_if_fail (self, NULL);      
+       g_return_val_if_fail (self, NULL);
        return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->session;
 }
 
@@ -647,6 +897,7 @@ modest_tny_account_store_get_tny_account_by_id  (ModestTnyAccountStore *self, co
        
        priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
 
+
        for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
                const gchar *acc_id = tny_account_get_id (TNY_ACCOUNT(cursor->data));
                if (acc_id && strcmp (acc_id, id) == 0) {
@@ -654,7 +905,7 @@ modest_tny_account_store_get_tny_account_by_id  (ModestTnyAccountStore *self, co
                        break;
                }
        }
-
+               
        /* if we already found something, no need to search the transport accounts */
        for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
                const gchar *acc_id = tny_account_get_id (TNY_ACCOUNT(cursor->data));
@@ -670,15 +921,13 @@ modest_tny_account_store_get_tny_account_by_id  (ModestTnyAccountStore *self, co
        return account;
 }
 
-
 TnyAccount*
 modest_tny_account_store_get_tny_account_by_account (ModestTnyAccountStore *self,
                                                     const gchar *account_name,
                                                     TnyAccountType type)
 {
        TnyAccount *account = NULL;
-       ModestAccountData *account_data;
-       const gchar *id = NULL;
+       gchar *id = NULL;
        ModestTnyAccountStorePrivate *priv;     
 
        g_return_val_if_fail (self, NULL);
@@ -687,25 +936,107 @@ modest_tny_account_store_get_tny_account_by_account (ModestTnyAccountStore *self
                              NULL);
        
        priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
-       
-       account_data = modest_account_mgr_get_account_data (priv->account_mgr, account_name);
-       if (!account_data) {
-               g_printerr ("modest: cannot get account data for account '%s'\n", account_name);
-               return NULL;
+
+       /* Special case for the local account */
+       if (!strcmp (account_name, MODEST_ACTUAL_LOCAL_FOLDERS_ACCOUNT_ID)) {
+               id = g_strdup (MODEST_ACTUAL_LOCAL_FOLDERS_ACCOUNT_ID);
+       } else {
+               ModestAccountData *account_data;
+
+               account_data = modest_account_mgr_get_account_data (priv->account_mgr, account_name);
+               if (!account_data) {
+                       g_printerr ("modest: cannot get account data for account '%s'\n", account_name);
+                       return NULL;
+               }
+
+               if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
+                       id = g_strdup (account_data->store_account->account_name);
+               else if (account_data->transport_account)
+                       id = g_strdup (account_data->transport_account->account_name);
+
+               modest_account_mgr_free_account_data (priv->account_mgr, account_data);
        }
 
-       if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
-               id = account_data->store_account->account_name;
-       else if (account_data->transport_account)
-               id = account_data->transport_account->account_name;
+       if (!id)
+               g_printerr ("modest: could not get an id for account %s\n",
+                           account_name);
+       else    
+               account = modest_tny_account_store_get_tny_account_by_id (self, id);
 
-       if (id) 
-               account =  modest_tny_account_store_get_tny_account_by_id  (self, id);
        if (!account)
                g_printerr ("modest: could not get tny %s account for %s (id=%s)\n",
                            type == TNY_ACCOUNT_TYPE_STORE? "store" : "transport",
                            account_name, id ? id : "<none>");
 
-       modest_account_mgr_free_account_data (priv->account_mgr, account_data);
        return account; 
 }
+
+static TnyAccount*
+get_smtp_specific_transport_account_for_open_connection (ModestTnyAccountStore *self,
+                                                        const gchar *account_name)
+{
+       /* Get the current connection: */
+       TnyDevice *device = modest_runtime_get_device ();
+       
+       if (!tny_device_is_online (device))
+               return NULL;
+
+#ifdef MODEST_PLATFORM_MAEMO
+       g_assert (TNY_IS_MAEMO_CONIC_DEVICE (device));
+       TnyMaemoConicDevice *maemo_device = TNY_MAEMO_CONIC_DEVICE (device);    
+       const gchar* iap_id = tny_maemo_conic_device_get_current_iap_id (maemo_device);
+       if (!iap_id)
+               return NULL;
+               
+       ConIcIap* connection = tny_maemo_conic_device_get_iap (maemo_device, iap_id);
+       if (!connection)
+               return NULL;
+               
+       const gchar *connection_name = con_ic_iap_get_name (connection);
+       if (!connection_name)
+               return NULL;
+       
+       /*  Get the connection-specific transport acccount, if any: */
+       ModestAccountMgr *account_manager = modest_runtime_get_account_mgr ();
+       gchar* server_account_name = modest_account_mgr_get_connection_specific_smtp (account_manager, 
+               account_name, connection_name);
+               
+       if (!server_account_name)
+               return NULL; /* No connection-specific SMTP server was specified for this connection. */
+               
+       TnyAccount* account = modest_tny_account_store_get_tny_account_by_id (self, server_account_name);
+       g_free (server_account_name);   
+
+       /* Unref the get()ed object, as required by the tny_maemo_conic_device_get_iap() documentation. */
+       g_object_unref (connection);
+       
+       return account;
+#else
+       return NULL; /* TODO: Implement this for GNOME, instead of just Maemo? */
+#endif /* MODEST_PLATFORM_MAEMO */
+}
+
+                                                                
+TnyAccount*
+modest_tny_account_store_get_transport_account_for_open_connection (ModestTnyAccountStore *self,
+                                                                   const gchar *account_name)
+{
+       /*  Get the connection-specific transport acccount, if any: */
+       TnyAccount *account = get_smtp_specific_transport_account_for_open_connection (self, account_name);
+                       
+       /* If there is no connection-specific transport account (the common case), 
+        * just get the regular transport account: */
+       if (!account) {         
+               account = modest_tny_account_store_get_tny_account_by_account (self, account_name, 
+                                                    TNY_ACCOUNT_TYPE_TRANSPORT);
+       }
+                            
+       return account;
+}
+
+gboolean modest_tny_folder_store_is_virtual_local_folders (TnyFolderStore *self)
+{
+       /* We should make this more sophisticated if we ever use ModestTnySimpleFolderStore 
+        * for anything else. */
+       return MODEST_IS_TNY_SIMPLE_FOLDER_STORE (self);
+}