[calls] dummy-provider: Add new anonymous incoming call on SIGUSR2

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 3ac8cc1580325a3e12155e9c03d695da74c55392
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu Feb 17 10:53:14 2022 +0100

    dummy-provider: Add new anonymous incoming call on SIGUSR2

 plugins/dummy/calls-dummy-call.c     |  2 --
 plugins/dummy/calls-dummy-origin.c   |  1 -
 plugins/dummy/calls-dummy-provider.c | 22 ++++++++++++++++++++++
 3 files changed, 22 insertions(+), 3 deletions(-)
---
diff --git a/plugins/dummy/calls-dummy-call.c b/plugins/dummy/calls-dummy-call.c
index fd40bd52..38db95c4 100644
--- a/plugins/dummy/calls-dummy-call.c
+++ b/plugins/dummy/calls-dummy-call.c
@@ -102,8 +102,6 @@ CallsDummyCall *
 calls_dummy_call_new (const gchar *id,
                       gboolean     inbound)
 {
-  g_return_val_if_fail (id != NULL, NULL);
-
   return g_object_new (CALLS_TYPE_DUMMY_CALL,
                        "id", id,
                        "inbound", inbound,
diff --git a/plugins/dummy/calls-dummy-origin.c b/plugins/dummy/calls-dummy-origin.c
index 820a7dcd..25626d99 100644
--- a/plugins/dummy/calls-dummy-origin.c
+++ b/plugins/dummy/calls-dummy-origin.c
@@ -296,7 +296,6 @@ void
 calls_dummy_origin_create_inbound (CallsDummyOrigin *self,
                                    const gchar      *number)
 {
-  g_return_if_fail (number != NULL);
   g_return_if_fail (CALLS_IS_DUMMY_ORIGIN (self));
 
   add_call (self, number, TRUE);
diff --git a/plugins/dummy/calls-dummy-provider.c b/plugins/dummy/calls-dummy-provider.c
index 869d14e2..fe9d05d8 100644
--- a/plugins/dummy/calls-dummy-provider.c
+++ b/plugins/dummy/calls-dummy-provider.c
@@ -81,6 +81,25 @@ usr1_handler (CallsDummyProvider *self)
   return TRUE;
 }
 
+
+static gboolean
+usr2_handler (CallsDummyProvider *self)
+{
+  GListModel *model;
+  g_autoptr(CallsDummyOrigin) origin = NULL;
+
+  model = G_LIST_MODEL (self->origins);
+  g_return_val_if_fail (g_list_model_get_n_items (model) > 0, FALSE);
+
+  g_debug ("Received SIGUSR2, adding new anonymous incoming call");
+
+  origin = g_list_model_get_item (model, 0);
+  calls_dummy_origin_create_inbound (origin, NULL);
+
+  return TRUE;
+}
+
+
 static const char *
 calls_dummy_provider_get_name (CallsProvider *provider)
 {
@@ -123,6 +142,9 @@ constructed (GObject *object)
   g_unix_signal_add (SIGUSR1,
                      (GSourceFunc)usr1_handler,
                      self);
+  g_unix_signal_add (SIGUSR2,
+                     (GSourceFunc) usr2_handler,
+                     self);
 
   G_OBJECT_CLASS (calls_dummy_provider_parent_class)->constructed (object);
 }