* check for a valid foldername
[modest] / src / modest-account-mgr.c
index 75fa3b8..56e29ab 100644 (file)
@@ -52,43 +52,109 @@ enum {
 static GObjectClass *parent_class = NULL;
 static guint signals[LAST_SIGNAL] = {0};
 
-/* /\* We signal key changes in batches, every X seconds: *\/ */
-/* static gboolean */
-/* on_timeout_notify_changes (gpointer data) */
-/* { */
-/*     ModestAccountMgr *self = MODEST_ACCOUNT_MGR (data); */
-/*     ModestAccountMgrPrivate *priv = MODEST_ACCOUNT_MGR_GET_PRIVATE (self); */
+/* is the account already in the queue? */
+static gboolean
+in_change_queue (GSList *change_queue, const gchar *account)
+{
+       GSList *cursor = change_queue;
+       while (cursor) {
+               const gchar *acc = cursor->data;
+               if (acc && strcmp (acc, account) == 0)
+                       return TRUE;
+               cursor = g_slist_next (cursor);
+       }
+       return FALSE;
+}
+
+static GSList*
+add_to_change_queue (GSList *change_queue, const gchar *account_name)
+{
+       g_return_val_if_fail (account_name, change_queue);      
+       return g_slist_prepend (change_queue, g_strdup (account_name));
+}
+
+
+/* we don't need to track specific accounts, as in our UI case
+ * it's impossible to change two accounts within .5 seconds.
+ * still, we might want to allow that later, and then this func
+ * will come in handy */
+#if 0
+static GSList*
+remove_from_queue (GSList *change_queue, const gchar *account)
+{
+       GSList *cursor = change_queue;
+       while (cursor) {
+               const gchar *acc = cursor->data;
+               if (acc && strcmp (acc, account) == 0) {
+                       g_free (acc);
+                       return g_slist_delete_link (change_queue, cursor);
+               }
+               cursor = g_slist_next (cursor);
+       }
+       return change_queue;
+}
+#endif
+
+static gboolean
+on_timeout_notify_changes (gpointer data)
+{
+       ModestAccountMgr *self = MODEST_ACCOUNT_MGR (data);
+       ModestAccountMgrPrivate *priv = MODEST_ACCOUNT_MGR_GET_PRIVATE (self);
                
-/*     /\* TODO: Also store the account names, and notify one list for each account, */
-/*      * if anything uses the account names. *\/ */
+       GSList *cursor = priv->change_queue;
+       while (cursor) {
+               const gchar *account = cursor->data;
+               if (account)
+                       g_signal_emit (G_OBJECT(self), signals[ACCOUNT_CHANGED_SIGNAL], 0, 
+                                      account);
+               cursor = g_slist_next (cursor);
+       }
        
-/*     if (priv->changed_conf_keys) { */
-/*             gchar *default_account =  */
-/*                             modest_account_mgr_get_default_account (self); */
-               
-/*             /\* printf ("DEBUG: %s: priv->changed_conf_key length=%d\n",  */
-/*                     __FUNCTION__, g_slist_length (priv->changed_conf_keys)); *\/ */
-/*             g_signal_emit (G_OBJECT(self), signals[ACCOUNT_CHANGED_SIGNAL], 0, */
-/*                              default_account, priv->changed_conf_keys, FALSE); */
-                       
-/*             g_free (default_account); */
-               
-/*             g_slist_foreach (priv->changed_conf_keys, (GFunc) g_free, NULL); */
-/*             g_slist_free (priv->changed_conf_keys); */
-/*             priv->changed_conf_keys = NULL; */
-/*     } */
+       /* free our queue */
+       g_slist_foreach (priv->change_queue, (GFunc)g_free, NULL);
+       g_slist_free (priv->change_queue);
+       priv->change_queue = NULL;
+       priv->timeout = 0; /* hmmm */
        
-/*     return TRUE; /\* Call this again later. *\/ */
-/* } */
+       return FALSE; /* don't call me again */
+}
+
+
+/* little hack to retrieve the account name from a server account name,
+ * by relying on the convention for that. Note: this changes the
+ * string in-place
+ *
+ * server accounts look like fooID_transport or fooID_store
+ * FIXME: make the suffixes more explicit in the account setup
+ */
+static void
+get_account_name_from_server_account (gchar *server_account_name)
+{
+       static const gchar *t = "ID_transport";
+       static const gchar *s = "ID_store";
+       const guint len_t = strlen (t);
+       const guint len_s = strlen (s);
+       
+       guint len_a = strlen (server_account_name);
+               
+       if (g_str_has_suffix (server_account_name, t)) 
+               server_account_name [len_a - len_t] = '\0';
+       else if (g_str_has_suffix (server_account_name, s)) 
+               server_account_name [len_a - len_s] = '\0';
+}
+
+
 
 static void
 on_key_change (ModestConf *conf, const gchar *key, ModestConfEvent event,
               ModestConfNotificationId id, gpointer user_data)
 {
        ModestAccountMgr *self = MODEST_ACCOUNT_MGR (user_data);
+       ModestAccountMgrPrivate *priv = MODEST_ACCOUNT_MGR_GET_PRIVATE (self);
+
        gboolean is_account_key;
        gboolean is_server_account;
-       gchar* account = NULL;
+       gchar* account_name = NULL;
 
        /* there is only one not-really-account key which will still emit
         * a signal: a change in MODEST_CONF_DEFAULT_ACCOUNT */
@@ -100,7 +166,7 @@ on_key_change (ModestConf *conf, const gchar *key, ModestConfEvent event,
                        return;
                } else {
                        g_signal_emit (G_OBJECT(self), signals[ACCOUNT_CHANGED_SIGNAL], 0, 
-                                      default_account, key, FALSE);
+                                      default_account);
                        g_free(default_account);
                        return;
                }       
@@ -108,20 +174,25 @@ on_key_change (ModestConf *conf, const gchar *key, ModestConfEvent event,
        
        is_account_key = FALSE;
        is_server_account = FALSE;
-       account = _modest_account_mgr_account_from_key (key, &is_account_key,
-                                                       &is_server_account);
+       account_name = _modest_account_mgr_account_from_key (key, &is_account_key,
+                                                            &is_server_account);
 
        /* if this is not an account-related key change, ignore */
-       if (!account)
+       if (!account_name)
                return;
 
+       /* ignore server account changes */
+       if (is_server_account)
+               /* change in place: retrieve the parent account name */
+               get_account_name_from_server_account (account_name);
+
        /* account was removed. Do not emit an account removed signal
           because it was already being done in the remove_account
           method. Do not notify also the removal of the server
           account keys for the same reason */
        if ((is_account_key || is_server_account) &&
            event == MODEST_CONF_EVENT_KEY_UNSET) {
-               g_free (account);
+               g_free (account_name);
                return;
        }
 
@@ -130,20 +201,24 @@ on_key_change (ModestConf *conf, const gchar *key, ModestConfEvent event,
        if (is_server_account)
                enabled = TRUE;
        else
-               enabled = modest_account_mgr_get_enabled (self, account);
+               enabled = modest_account_mgr_get_enabled (self, account_name);
 
        /* Notify is server account was changed, default account was changed
         * or when enabled/disabled changes:
         */
-       if (enabled ||
-           g_str_has_suffix (key, MODEST_ACCOUNT_ENABLED) ||
+       if (!is_server_account)
+       if (enabled || g_str_has_suffix (key, MODEST_ACCOUNT_ENABLED) ||
            strcmp (key, MODEST_CONF_DEFAULT_ACCOUNT) == 0) {
-               g_signal_emit (G_OBJECT(self), signals[ACCOUNT_CHANGED_SIGNAL], 0, 
-                              account, key, is_server_account);
-               /* Store the key for later notification in our timeout callback.
-                * Notifying for every key change would cause unnecessary work: */
+               if (!in_change_queue (priv->change_queue, account_name)) {
+                       priv->change_queue = add_to_change_queue (priv->change_queue,
+                                                                 account_name);
+                       /* hmm, small race when this object is destroyed within
+                        * 500ms of the last change, and there are multiple timeouts... */
+                       priv->timeout = g_timeout_add (500, (GSourceFunc)on_timeout_notify_changes,
+                                                      self);
+               }   
        }
-       g_free (account);
+       g_free (account_name);
 }
 
 
@@ -204,8 +279,8 @@ modest_account_mgr_base_init (gpointer g_class)
                                      G_SIGNAL_RUN_FIRST,
                                      G_STRUCT_OFFSET(ModestAccountMgrClass,account_changed),
                                      NULL, NULL,
-                                     modest_marshal_VOID__STRING_STRING_BOOLEAN,
-                                     G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
+                                     g_cclosure_marshal_VOID__STRING,
+                                     G_TYPE_NONE, 1, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
 
                signals[ACCOUNT_BUSY_SIGNAL] =
                        g_signal_new ("account_busy_changed",
@@ -240,9 +315,11 @@ modest_account_mgr_init (ModestAccountMgr * obj)
        ModestAccountMgrPrivate *priv =
                MODEST_ACCOUNT_MGR_GET_PRIVATE (obj);
 
-       priv->modest_conf = NULL;
+       priv->modest_conf   = NULL;
        priv->busy_accounts = NULL;
-
+       priv->change_queue  = NULL;
+       priv->timeout       = 0;
+       
        priv->notification_id_accounts = g_hash_table_new_full (g_int_hash, g_int_equal, g_free, g_free);
 }
 
@@ -268,14 +345,11 @@ modest_account_mgr_finalize (GObject * obj)
                g_object_unref (G_OBJECT(priv->modest_conf));
                priv->modest_conf = NULL;
        }
-       
-/*     if (priv->timeout) */
-/*             g_source_remove (priv->timeout); */
-               
-/*     if (priv->changed_conf_keys) { */
-/*             g_slist_foreach (priv->changed_conf_keys, (GFunc) g_free, NULL); */
-/*             g_slist_free (priv->changed_conf_keys); */
-/*     } */
+
+       if (priv->timeout)
+               g_source_remove (priv->timeout);
+       priv->timeout = 0;
+
 
        G_OBJECT_CLASS(parent_class)->finalize (obj);
 }
@@ -1023,7 +1097,7 @@ modest_account_mgr_set_list (ModestAccountMgr *self,
 }
 
 gboolean
-modest_account_mgr_account_exists (ModestAccountMgr * self, const gchar * name,
+modest_account_mgr_account_exists (ModestAccountMgr * self, const gchar* name,
                                   gboolean server_account)
 {
        ModestAccountMgrPrivate *priv;
@@ -1032,7 +1106,7 @@ modest_account_mgr_account_exists (ModestAccountMgr * self, const gchar * name,
        gboolean retval;
        GError *err = NULL;
 
-       g_return_val_if_fail (MODEST_IS_ACCOUNT_MGR(self), FALSE);
+       g_return_val_if_fail (self, FALSE);
         g_return_val_if_fail (name, FALSE);
 
        keyname = _modest_account_mgr_get_account_keyname (name, NULL, server_account);
@@ -1170,20 +1244,45 @@ _modest_account_mgr_account_from_key (const gchar *key, gboolean *is_account_key
 
 
 
+
+/* optimization: only with non-alphanum chars, escaping is needed */
+inline static gboolean
+is_alphanum (const gchar* str)
+{
+       const gchar *cursor;
+       for (cursor = str; cursor && *cursor; ++cursor) {
+               const char c = *cursor;
+               /* we cannot trust isalnum(3), because it might consider locales */
+               /*       numbers            ALPHA            alpha       */
+               if (!((c>=48 && c<=57)||(c>=65 && c<=90)||(c>=97 && c<=122)))
+                       return FALSE;
+       }
+       return TRUE;
+}
+               
+
 /* must be freed by caller */
 gchar *
 _modest_account_mgr_get_account_keyname (const gchar *account_name, const gchar * name, gboolean server_account)
 {
-       gchar *retval = NULL;
-       
+       gchar *retval = NULL;   
        gchar *namespace = server_account ? MODEST_SERVER_ACCOUNT_NAMESPACE : MODEST_ACCOUNT_NAMESPACE;
+       gchar *escaped_account_name, *escaped_name;
        
        if (!account_name)
                return g_strdup (namespace);
        
-       /* Always escape the conf keys, so that it is acceptable to gconf: */
-       gchar *escaped_account_name = account_name ? modest_conf_key_escape (account_name) : NULL;
-       gchar *escaped_name =  name ? modest_conf_key_escape (name) : NULL;
+       /* optimization: only escape names when need to be escaped */
+       if (is_alphanum (account_name))
+               escaped_account_name = (gchar*)account_name;
+       else
+               escaped_account_name = modest_conf_key_escape (account_name);
+       
+       if (is_alphanum (name))
+               escaped_name = (gchar*)name;
+       else
+               escaped_name = modest_conf_key_escape (name);
+       //////////////////////////////////////////////////////////////
 
        if (escaped_account_name && escaped_name)
                retval = g_strconcat (namespace, "/", escaped_account_name, "/", escaped_name, NULL);
@@ -1197,9 +1296,12 @@ _modest_account_mgr_get_account_keyname (const gchar *account_name, const gchar
                retval = NULL;
        }
 
-       g_free (escaped_name);
-       g_free (escaped_account_name);
-
+       /* g_free is only needed if we actually allocated anything */
+       if (name != escaped_name)
+               g_free (escaped_name);
+       if (account_name != escaped_account_name)
+               g_free (escaped_account_name);
+       
        return retval;
 }
 
@@ -1227,7 +1329,7 @@ compare_account_name(gconstpointer a, gconstpointer b)
 
 void 
 modest_account_mgr_set_account_busy(ModestAccountMgr* self, const gchar* account_name, 
-                                                                                                                                               gboolean busy)
+                                   gboolean busy)
 {
        ModestAccountMgrPrivate* priv = MODEST_ACCOUNT_MGR_GET_PRIVATE (self);
        if (busy)