libmm-glib,nmea: new method to get list of traces

Fixes https://gitlab.freedesktop.org/mobile-broadband/ModemManager/issues/120

2 files changed, 40 insertions, 3 deletions

diff --git a/libmm-glib/mm-location-gps-nmea.c b/libmm-glib/mm-location-gps-nmea.c
index c4c742f0..8bc7db90 100644
--- a/libmm-glib/mm-location-gps-nmea.c
+++ b/libmm-glib/mm-location-gps-nmea.c
@@ -153,6 +153,42 @@ mm_location_gps_nmea_get_trace (MMLocationGpsNmea *self,
 /*****************************************************************************/
 
 static void
+build_all_foreach (const gchar  *trace_type,
+                   const gchar  *trace,
+                   GPtrArray   **built)
+{
+    if (*built == NULL)
+        *built = g_ptr_array_new ();
+    g_ptr_array_add (*built, g_strdup (trace));
+}
+
+/**
+ * mm_location_gps_nmea_get_traces:
+ * @self: a #MMLocationGpsNmea.
+ *
+ * Gets all cached traces.
+ *
+ * Returns: (transfer full): The list of traces, or %NULL if none available. The returned value should be freed with g_strfreev().
+ * Since: 1.14
+ */
+gchar **
+mm_location_gps_nmea_get_traces (MMLocationGpsNmea *self)
+{
+    GPtrArray *built = NULL;
+
+    g_hash_table_foreach (self->priv->traces,
+                          (GHFunc)build_all_foreach,
+                          &built);
+    if (!built)
+        return NULL;
+
+    g_ptr_array_add (built, NULL);
+    return (gchar **) g_ptr_array_free (built, FALSE);
+}
+
+/*****************************************************************************/
+
+static void
 build_full_foreach (const gchar *trace_type,
                     const gchar *trace,
                     GString **built)
diff --git a/libmm-glib/mm-location-gps-nmea.h b/libmm-glib/mm-location-gps-nmea.h
index 6c31d984..286069c3 100644
--- a/libmm-glib/mm-location-gps-nmea.h
+++ b/libmm-glib/mm-location-gps-nmea.h
@@ -59,9 +59,10 @@ GType mm_location_gps_nmea_get_type (void);
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMLocationGpsNmea, g_object_unref)
 #endif
 
-const gchar *mm_location_gps_nmea_get_trace (MMLocationGpsNmea *self,
-                                             const gchar *trace_type);
-gchar *mm_location_gps_nmea_build_full (MMLocationGpsNmea *self);
+const gchar  *mm_location_gps_nmea_get_trace  (MMLocationGpsNmea *self,
+                                               const gchar       *trace_type);
+gchar       **mm_location_gps_nmea_get_traces (MMLocationGpsNmea *self);
+gchar        *mm_location_gps_nmea_build_full (MMLocationGpsNmea *self);
 
 /*****************************************************************************/
 /* ModemManager/libmm-glib/mmcli specific methods */