[calls] dbus: Add method to silence ringing

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit c37e9d8462ede03b171d1df359e43d6d90835c3a
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Tue Oct 19 04:18:28 2021 +0200

    dbus: Add method to silence ringing
    
    Fixes #329

 src/calls-dbus-manager.c          | 16 ++++++++++++++++
 src/dbus/org.gnome.Calls.Call.xml |  4 ++++
 2 files changed, 20 insertions(+)
---
diff --git a/src/calls-dbus-manager.c b/src/calls-dbus-manager.c
index b1017662..0482f5e0 100644
--- a/src/calls-dbus-manager.c
+++ b/src/calls-dbus-manager.c
@@ -182,6 +182,21 @@ on_handle_call_send_dtmf (CallsDBusCallsCall    *skeleton,
 }
 
 
+static gboolean
+on_handle_call_silence (CallsDBusCallsCall    *skeleton,
+                        GDBusMethodInvocation *invocation,
+                        CallsCall             *call)
+{
+  g_return_val_if_fail (CALLS_DBUS_IS_CALLS_CALL (skeleton), FALSE);
+  g_return_val_if_fail (CALLS_IS_CALL (call), FALSE);
+
+  calls_call_silence_ring (call);
+
+  calls_dbus_calls_call_complete_silence (skeleton, invocation);
+  return TRUE;
+}
+
+
 static void
 call_added_cb (CallsDBusManager *self, CallsCall *call)
 {
@@ -203,6 +218,7 @@ call_added_cb (CallsDBusManager *self, CallsCall *call)
                     "object_signal::handle-accept", G_CALLBACK (on_handle_call_accept), call,
                     "object_signal::handle-hangup", G_CALLBACK (on_handle_call_hangup), call,
                     "object-signal::handle-send_dtmf", G_CALLBACK (on_handle_call_send_dtmf), call,
+                    "object_signal::handle-silence", G_CALLBACK (on_handle_call_silence), call,
                     NULL);
   g_object_bind_property (call, "state", iface, "state", G_BINDING_SYNC_CREATE);
   g_object_bind_property (call, "inbound", iface, "inbound", G_BINDING_SYNC_CREATE);
diff --git a/src/dbus/org.gnome.Calls.Call.xml b/src/dbus/org.gnome.Calls.Call.xml
index 5c7b8bd4..9f6fad3e 100644
--- a/src/dbus/org.gnome.Calls.Call.xml
+++ b/src/dbus/org.gnome.Calls.Call.xml
@@ -31,6 +31,10 @@
         </doc:doc>
       </arg>
     </method>
+    <method name="Silence"/>
+    <doc:doc>
+      <doc:summary>Silence the ringing</doc:summary>
+    </doc:doc>
     <property name="Inbound" type="b" access="read"/>
     <property name="State" type="u" access="read"/>
     <property name="Id" type="s" access="read">