plugin: telit: add supported modes loading

This patch add supported modes loading in Telit plugin.

plugins/telit/mm-broadband-modem-telit.c

@@ -36,6 +36,8 @@
 static void iface_modem_init (MMIfaceModem *iface);
 static void iface_modem_3gpp_init (MMIfaceModem3gpp *iface);
 
+static MMIfaceModem *iface_modem_parent;
+
 G_DEFINE_TYPE_EXTENDED (MMBroadbandModemTelit, mm_broadband_modem_telit, MM_TYPE_BROADBAND_MODEM, 0,
                         G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM, iface_modem_init)
                         G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM_3GPP, iface_modem_3gpp_init));
@@ -535,6 +537,104 @@ setup_flow_control (MMIfaceModem *self,
     g_free (cmd);
 }
 
+/*****************************************************************************/
+/* Load supported modes (Modem interface) */
+
+static GArray *
+load_supported_modes_finish (MMIfaceModem *self,
+                             GAsyncResult *res,
+                             GError **error)
+{
+    if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
+        return NULL;
+
+    return g_array_ref (g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res)));
+}
+
+static void
+parent_load_supported_modes_ready (MMIfaceModem *self,
+                                   GAsyncResult *res,
+                                   GSimpleAsyncResult *simple)
+{
+    GError *error = NULL;
+    GArray *all;
+    GArray *combinations;
+    GArray *filtered;
+    MMModemModeCombination mode;
+
+    all = iface_modem_parent->load_supported_modes_finish (self, res, &error);
+    if (!all) {
+        g_simple_async_result_take_error (simple, error);
+        g_simple_async_result_complete (simple);
+        g_object_unref (simple);
+        return;
+    }
+
+    /* CDMA-only modems don't support changing modes, default to parent's */
+    if (!mm_iface_modem_is_3gpp (self)) {
+        g_simple_async_result_set_op_res_gpointer (simple, all, (GDestroyNotify) g_array_unref);
+        g_simple_async_result_complete_in_idle (simple);
+        g_object_unref (simple);
+        return;
+    }
+
+    /* Build list of combinations for 3GPP devices */
+    combinations = g_array_sized_new (FALSE, FALSE, sizeof (MMModemModeCombination), 7);
+
+    /* 2G only */
+    mode.allowed = MM_MODEM_MODE_2G;
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+    /* 3G only */
+    mode.allowed = MM_MODEM_MODE_3G;
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+    /* 2G and 3G */
+    mode.allowed = (MM_MODEM_MODE_2G | MM_MODEM_MODE_3G);
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+    /* 4G only */
+    mode.allowed = MM_MODEM_MODE_4G;
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+    /* 2G and 4G */
+    mode.allowed = (MM_MODEM_MODE_2G | MM_MODEM_MODE_4G);
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+    /* 3G and 4G */
+    mode.allowed = (MM_MODEM_MODE_3G | MM_MODEM_MODE_4G);
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+    /* 2G, 3G and 4G */
+    mode.allowed = (MM_MODEM_MODE_2G | MM_MODEM_MODE_3G | MM_MODEM_MODE_4G);
+    mode.preferred = MM_MODEM_MODE_NONE;
+    g_array_append_val (combinations, mode);
+
+    /* Filter out those unsupported modes */
+    filtered = mm_filter_supported_modes (all, combinations);
+    g_array_unref (all);
+    g_array_unref (combinations);
+
+    g_simple_async_result_set_op_res_gpointer (simple, filtered, (GDestroyNotify) g_array_unref);
+    g_simple_async_result_complete (simple);
+    g_object_unref (simple);
+}
+
+static void
+load_supported_modes (MMIfaceModem *self,
+                      GAsyncReadyCallback callback,
+                      gpointer user_data)
+{
+    /* Run parent's loading */
+    iface_modem_parent->load_supported_modes (
+        MM_IFACE_MODEM (self),
+        (GAsyncReadyCallback)parent_load_supported_modes_ready,
+        g_simple_async_result_new (G_OBJECT (self),
+                                   callback,
+                                   user_data,
+                                   load_supported_modes));
+}
+
 /*****************************************************************************/
 /* Enabling unsolicited events (3GPP interface) */
 
@@ -601,6 +701,8 @@ mm_broadband_modem_telit_init (MMBroadbandModemTelit *self)
 static void
 iface_modem_init (MMIfaceModem *iface)
 {
+    iface_modem_parent = g_type_interface_peek_parent (iface);
+
     iface->load_supported_bands = modem_load_supported_bands;
     iface->load_supported_bands_finish = modem_load_supported_bands_finish;
     iface->load_unlock_retries_finish = modem_load_unlock_retries_finish;
@@ -613,6 +715,8 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_access_technologies_finish = load_access_technologies_finish;
     iface->setup_flow_control = setup_flow_control;
     iface->setup_flow_control_finish = setup_flow_control_finish;
+    iface->load_supported_modes = load_supported_modes;
+    iface->load_supported_modes_finish = load_supported_modes_finish;
 }
 
 static void