api,call: new Multiparty boolean property

It will be set to TRUE if this call is part of a multiparty call.

cli/mmcli-call.c

@@ -162,6 +162,7 @@ print_call_info (MMCall *call)
     mmcli_output_string (MMC_F_CALL_GENERAL_DBUS_PATH,       mm_call_get_path (call));
     mmcli_output_string (MMC_F_CALL_PROPERTIES_NUMBER,       mm_call_get_number (call));
     mmcli_output_string (MMC_F_CALL_PROPERTIES_DIRECTION,    mm_call_direction_get_string (mm_call_get_direction (call)));
+    mmcli_output_string (MMC_F_CALL_PROPERTIES_MULTIPARTY,   mm_call_get_multiparty (call) ? "yes" : "no");
     mmcli_output_string (MMC_F_CALL_PROPERTIES_STATE,        mm_call_state_get_string (mm_call_get_state (call)));
     mmcli_output_string (MMC_F_CALL_PROPERTIES_STATE_REASON, mm_call_state_reason_get_string (mm_call_get_state_reason (call)));
     mmcli_output_string (MMC_F_CALL_PROPERTIES_AUDIO_PORT,   mm_call_get_audio_port (call));

cli/mmcli-output.c

@@ -227,6 +227,7 @@ static FieldInfo field_infos[] = {
     [MMC_F_CALL_GENERAL_DBUS_PATH]            = { "call.dbus-path",                                  "dbus path",                MMC_S_CALL_GENERAL,            },
     [MMC_F_CALL_PROPERTIES_NUMBER]            = { "call.properties.number",                          "number",                   MMC_S_CALL_PROPERTIES,         },
     [MMC_F_CALL_PROPERTIES_DIRECTION]         = { "call.properties.direction",                       "direction",                MMC_S_CALL_PROPERTIES,         },
+    [MMC_F_CALL_PROPERTIES_MULTIPARTY]        = { "call.properties.multiparty",                      "multiparty",               MMC_S_CALL_PROPERTIES,         },
     [MMC_F_CALL_PROPERTIES_STATE]             = { "call.properties.state",                           "state",                    MMC_S_CALL_PROPERTIES,         },
     [MMC_F_CALL_PROPERTIES_STATE_REASON]      = { "call.properties.state-reason",                    "state reason",             MMC_S_CALL_PROPERTIES,         },
     [MMC_F_CALL_PROPERTIES_AUDIO_PORT]        = { "call.properties.audio-port",                      "audio port",               MMC_S_CALL_PROPERTIES,         },

cli/mmcli-output.h

@@ -243,6 +243,7 @@ typedef enum {
     MMC_F_CALL_GENERAL_DBUS_PATH,
     MMC_F_CALL_PROPERTIES_NUMBER,
     MMC_F_CALL_PROPERTIES_DIRECTION,
+    MMC_F_CALL_PROPERTIES_MULTIPARTY,
     MMC_F_CALL_PROPERTIES_STATE,
     MMC_F_CALL_PROPERTIES_STATE_REASON,
     MMC_F_CALL_PROPERTIES_AUDIO_PORT,

docs/reference/libmm-glib/libmm-glib-sections.txt

@@ -1332,6 +1332,7 @@ mm_call_get_audio_port
 mm_call_dup_audio_port
 mm_call_get_audio_format
 mm_call_peek_audio_format
+mm_call_get_multiparty
 <SUBSECTION Methods>
 mm_call_start
 mm_call_start_finish
@@ -3246,6 +3247,7 @@ mm_gdbus_call_dup_audio_format
 mm_gdbus_call_dup_audio_port
 mm_gdbus_call_get_audio_format
 mm_gdbus_call_get_audio_port
+mm_gdbus_call_get_multiparty
 <SUBSECTION Methods>
 mm_gdbus_call_call_accept
 mm_gdbus_call_call_accept_finish
@@ -3269,6 +3271,7 @@ mm_gdbus_call_set_state
 mm_gdbus_call_set_state_reason
 mm_gdbus_call_set_audio_format
 mm_gdbus_call_set_audio_port
+mm_gdbus_call_set_multiparty
 mm_gdbus_call_complete_accept
 mm_gdbus_call_complete_hangup
 mm_gdbus_call_complete_send_dtmf

introspection/org.freedesktop.ModemManager1.Call.xml

@@ -127,6 +127,13 @@
     -->
     <property name="Number" type="s" access="read" />
 
+    <!--
+        Multiparty:
+
+        Whether the call is currently part of a multiparty conference call.
+    -->
+    <property name="Multiparty" type="b" access="read" />
+
     <!--
         AudioPort:
 

libmm-glib/mm-call.c

@@ -147,6 +147,24 @@ mm_call_get_direction (MMCall *self)
 
 /*****************************************************************************/
 
+/**
+ * mm_call_get_multiparty:
+ * @self: A #MMCall.
+ *
+ * Gets whether the call is part of a multiparty call.
+ *
+ * Returns: %TRUE if the call is part of a multiparty call, %FALSE otherwise..
+ */
+gboolean
+mm_call_get_multiparty (MMCall *self)
+{
+    g_return_val_if_fail (MM_IS_CALL (self), FALSE);
+
+    return mm_gdbus_call_get_multiparty (MM_GDBUS_CALL (self));
+}
+
+/*****************************************************************************/
+
 /**
  * mm_call_get_state:
  * @self: A #MMCall.

libmm-glib/mm-call.h

@@ -76,6 +76,8 @@ MMCallStateReason  mm_call_get_state_reason (MMCall *self);
 
 MMCallDirection    mm_call_get_direction    (MMCall *self);
 
+gboolean           mm_call_get_multiparty   (MMCall *self);
+
 const gchar       *mm_call_get_audio_port   (MMCall *self);
 gchar             *mm_call_dup_audio_port   (MMCall *self);
 

src/mm-base-call.c

@@ -770,6 +770,19 @@ mm_base_call_get_state (MMBaseCall *self)
     return (MMCallState) mm_gdbus_call_get_state (MM_GDBUS_CALL (self));
 }
 
+gboolean
+mm_base_call_get_multiparty (MMBaseCall *self)
+{
+    return mm_gdbus_call_get_multiparty (MM_GDBUS_CALL (self));
+}
+
+void
+mm_base_call_set_multiparty (MMBaseCall *self,
+                             gboolean    multiparty)
+{
+    return mm_gdbus_call_set_multiparty (MM_GDBUS_CALL (self), multiparty);
+}
+
 /*****************************************************************************/
 /* Current call index, only applicable while the call is ongoing
  * See 3GPP TS 22.030 [27], subclause 6.5.5.1.

src/mm-base-call.h

@@ -112,11 +112,14 @@ const gchar     *mm_base_call_get_number    (MMBaseCall *self);
 MMCallDirection  mm_base_call_get_direction  (MMBaseCall *self);
 MMCallState      mm_base_call_get_state      (MMBaseCall *self);
 guint            mm_base_call_get_index      (MMBaseCall *self);
+gboolean         mm_base_call_get_multiparty (MMBaseCall *self);
 
 void             mm_base_call_set_number     (MMBaseCall  *self,
                                               const gchar *number);
 void             mm_base_call_set_index      (MMBaseCall  *self,
                                               guint        index);
+void             mm_base_call_set_multiparty (MMBaseCall  *self,
+                                              gboolean     multiparty);
 
 void         mm_base_call_change_state (MMBaseCall *self,
                                         MMCallState new_state,