Add function to count the displayed accounts in an EAccountComboBox

We will need this to see how many accounts are shown in the From header
in the mail composer.

Signed-off-by: Federico Mena Quintero <federico@novell.com>

2 files changed, 24 insertions, 0 deletions

diff --git a/widgets/misc/e-account-combo-box.c b/widgets/misc/e-account-combo-box.c
index 0ded393e72..786478a5e3 100644
--- a/widgets/misc/e-account-combo-box.c
+++ b/widgets/misc/e-account-combo-box.c
@@ -41,6 +41,7 @@ enum {
 struct _EAccountComboBoxPrivate {
 	EAccountList *account_list;
 	GHashTable *index;
+	int num_displayed_accounts;
 };
 
 static gpointer parent_class;
@@ -150,6 +151,8 @@ account_combo_box_refresh_cb (EAccountList *account_list,
 	GList *list = NULL;
 	GList *iter;
 
+	combo_box->priv->num_displayed_accounts = 0;
+
 	store = gtk_list_store_new (2, G_TYPE_STRING, E_TYPE_ACCOUNT);
 	model = GTK_TREE_MODEL (store);
 	index = combo_box->priv->index;
@@ -182,6 +185,7 @@ account_combo_box_refresh_cb (EAccountList *account_list,
 		gchar *string;
 
 		account = iter->data;
+		combo_box->priv->num_displayed_accounts++;
 
 		/* Show the account name for duplicate email addresses. */
 		if (account_combo_box_has_dupes (list, account->id->address))
@@ -514,3 +518,21 @@ e_account_combo_box_set_active_name (EAccountComboBox *combo_box,
 
 	return e_account_combo_box_set_active (combo_box, account);
 }
+
+/**
+ * e_account_combo_box_count_displayed_accounts:
+ * @combo_box: an #EAccountComboBox
+ *
+ * Counts the number of accounts that are displayed in the @combo_box.  This may not
+ * be the actual number of accounts that are configured, as some of those accounts
+ * may be disabled by the user.
+ *
+ * Return value: number of active and valid accounts as shown in the @combo_box.
+ */
+int
+e_account_combo_box_count_displayed_accounts (EAccountComboBox *combo_box)
+{
+	g_return_val_if_fail (E_IS_ACCOUNT_COMBO_BOX (combo_box), -1);
+
+	return combo_box->priv->num_displayed_accounts;
+}
diff --git a/widgets/misc/e-account-combo-box.h b/widgets/misc/e-account-combo-box.h
index 12d4be6c72..60078690e9 100644
--- a/widgets/misc/e-account-combo-box.h
+++ b/widgets/misc/e-account-combo-box.h
@@ -78,6 +78,8 @@ gboolean	e_account_combo_box_set_active_name
 						(EAccountComboBox *combo_box,
 						 const gchar *account_name);
 
+int		e_account_combo_box_count_displayed_accounts (EAccountComboBox *combo_box);
+
 G_END_DECLS
 
 #endif /* E_ACCOUNT_COMBO_BOX_H */