sim: allow re-launching initialization

It may happen that we cannot load property values when the SIM is locked, so
we need to enable re-launching initialization in the object API.

src/mm-sim.c

@@ -746,28 +746,22 @@ interface_initialization_step (InitAsyncContext *ctx)
     interface_initialization_step (ctx);
 }
 
-
 static void
-initable_init_async (GAsyncInitable *initable,
+common_init_async (GAsyncInitable *initable,
-                     int io_priority,
                    GCancellable *cancellable,
                    GAsyncReadyCallback callback,
                    gpointer user_data)
+
 {
     InitAsyncContext *ctx;
     GError *error = NULL;
 
-    mm_gdbus_sim_set_sim_identifier (MM_GDBUS_SIM (initable), NULL);
-    mm_gdbus_sim_set_imsi (MM_GDBUS_SIM (initable), NULL);
-    mm_gdbus_sim_set_operator_identifier (MM_GDBUS_SIM (initable), NULL);
-    mm_gdbus_sim_set_operator_name (MM_GDBUS_SIM (initable), NULL);
-
     ctx = g_new (InitAsyncContext, 1);
     ctx->self = g_object_ref (initable);
     ctx->result = g_simple_async_result_new (G_OBJECT (initable),
                                              callback,
                                              user_data,
-                                             initable_init_async);
+                                             common_init_async);
     ctx->cancellable = (cancellable ?
                         g_object_ref (cancellable) :
                         NULL);
@@ -785,6 +779,21 @@ initable_init_async (GAsyncInitable *initable,
     interface_initialization_step (ctx);
 }
 
+static void
+initable_init_async (GAsyncInitable *initable,
+                     int io_priority,
+                     GCancellable *cancellable,
+                     GAsyncReadyCallback callback,
+                     gpointer user_data)
+{
+    mm_gdbus_sim_set_sim_identifier (MM_GDBUS_SIM (initable), NULL);
+    mm_gdbus_sim_set_imsi (MM_GDBUS_SIM (initable), NULL);
+    mm_gdbus_sim_set_operator_identifier (MM_GDBUS_SIM (initable), NULL);
+    mm_gdbus_sim_set_operator_name (MM_GDBUS_SIM (initable), NULL);
+
+    common_init_async (initable, cancellable, callback, user_data);
+}
+
 void
 mm_sim_new (MMBaseModem *modem,
             GCancellable *cancellable,
@@ -807,6 +816,26 @@ mm_sim_new (MMBaseModem *modem,
     g_free (path);
 }
 
+gboolean
+mm_sim_initialize_finish (MMSim *self,
+                          GAsyncResult *result,
+                          GError **error)
+{
+    return initable_init_finish (G_ASYNC_INITABLE (self), result, error);
+}
+
+void
+mm_sim_initialize (MMSim *self,
+                   GCancellable *cancellable,
+                   GAsyncReadyCallback callback,
+                   gpointer user_data)
+{
+    common_init_async (G_ASYNC_INITABLE (self),
+                       cancellable,
+                       callback,
+                       user_data);
+}
+
 static void
 set_property (GObject *object,
               guint prop_id,

src/mm-sim.h

@@ -58,6 +58,13 @@ MMSim *mm_sim_new_finish (GAsyncInitable *initable,
                           GAsyncResult  *res,
                           GError       **error);
 
+void     mm_sim_initialize        (MMSim *self,
+                                   GCancellable *cancellable,
+                                   GAsyncReadyCallback callback,
+                                   gpointer user_data);
+gboolean mm_sim_initialize_finish (MMSim *self,
+                                   GAsyncResult *result,
+                                   GError **error);
 
 #endif /* MM_SIM_H */