core/calendar: Add "parent-source" property

Tracks the parent ESource of this calendar. Will be useful for future
patches.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-calendar/-/merge_requests/610>

src/core/gcal-calendar.c

@@ -29,6 +29,7 @@ typedef struct
 {
   GdkRGBA             color;
   ESource            *source;
+  ESource            *parent_source;
   ECalClient         *client;
 
   gboolean            read_only;
@@ -68,6 +69,7 @@ enum
   PROP_COLOR,
   PROP_ID,
   PROP_NAME,
+  PROP_PARENT_SOURCE,
   PROP_READ_ONLY,
   PROP_SOURCE,
   PROP_VISIBLE,
@@ -345,6 +347,7 @@ gcal_calendar_finalize (GObject *object)
 
   g_clear_object (&priv->client);
   g_clear_object (&priv->source);
+  g_clear_object (&priv->parent_source);
 
   g_mutex_clear (&priv->shared.mutex);
 
@@ -378,6 +381,10 @@ gcal_calendar_get_property (GObject    *object,
       g_value_set_string (value, e_source_get_display_name (priv->source));
       break;
 
+    case PROP_PARENT_SOURCE:
+      g_value_set_object (value, priv->parent_source);
+      break;
+
     case PROP_READ_ONLY:
       g_value_set_boolean (value, gcal_calendar_is_read_only (self));
       break;
@@ -422,6 +429,11 @@ gcal_calendar_set_property (GObject      *object,
       gcal_calendar_set_name (self, g_value_get_string (value));
       break;
 
+    case PROP_PARENT_SOURCE:
+      g_assert (priv->parent_source == NULL);
+      priv->parent_source = g_value_dup_object (value);
+      break;
+
     case PROP_READ_ONLY:
       g_assert_not_reached ();
       break;
@@ -473,6 +485,10 @@ gcal_calendar_class_init (GcalCalendarClass *klass)
                                                NULL,
                                                G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
 
+  properties[PROP_PARENT_SOURCE] = g_param_spec_object ("parent-source", NULL, NULL,
+                                                        E_TYPE_SOURCE,
+                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
+
   properties[PROP_READ_ONLY] = g_param_spec_boolean ("read-only",
                                                      "Read-only",
                                                      "Whether the calendar is read-only or not",
@@ -516,6 +532,7 @@ gcal_calendar_init (GcalCalendar *self)
  */
 void
 gcal_calendar_new (ESource             *source,
+                   ESource             *parent_source,
                    GCancellable        *cancellable,
                    GAsyncReadyCallback  callback,
                    gpointer             user_data)
@@ -526,6 +543,7 @@ gcal_calendar_new (ESource             *source,
                                      callback,
                                      user_data,
                                      "source", source,
+                                     "parent-source", parent_source,
                                      NULL);
 }
 
@@ -664,6 +682,24 @@ gcal_calendar_set_name (GcalCalendar *self,
   g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_NAME]);
 }
 
+/**
+ * gcal_calendar_get_parent_source:
+ * @self: a #GcalCalendar
+ *
+ * Retrieves the parent #ESource of @self.
+ *
+ * Returns: (transfer none): an #ESource
+ */
+ESource*
+gcal_calendar_get_parent_source (GcalCalendar *self)
+{
+  GcalCalendarPrivate *priv = gcal_calendar_get_instance_private (self);
+
+  g_return_val_if_fail (GCAL_IS_CALENDAR (self), NULL);
+
+  return priv->parent_source;
+}
+
 /**
  * gcal_calendar_is_read_only:
  * @self: a #GcalCalendar

src/core/gcal-calendar.h

@@ -50,6 +50,7 @@ struct _GcalCalendarClass
 GQuark               gcal_calendar_error_quark                   (void);
 
 void                 gcal_calendar_new                           (ESource             *source,
+                                                                  ESource             *parent_source,
                                                                   GCancellable        *cancellable,
                                                                   GAsyncReadyCallback  callback,
                                                                   gpointer             user_data);
@@ -71,6 +72,8 @@ const gchar*         gcal_calendar_get_name                      (GcalCalendar
 void                 gcal_calendar_set_name                      (GcalCalendar       *self,
                                                                   const gchar        *name);
 
+ESource*             gcal_calendar_get_parent_source             (GcalCalendar       *self);
+
 gboolean             gcal_calendar_is_read_only                  (GcalCalendar       *self);
 
 ESource*             gcal_calendar_get_source                    (GcalCalendar       *self);

src/core/gcal-manager.c

@@ -296,6 +296,8 @@ static void
 load_source (GcalManager *self,
              ESource     *source)
 {
+  g_autoptr (ESource) parent = NULL;
+
   GCAL_ENTRY;
 
   if (g_hash_table_contains (self->clients, source))
@@ -306,7 +308,9 @@ load_source (GcalManager *self,
       return;
     }
 
-  gcal_calendar_new (source, self->async_ops, on_calendar_created_cb, self);
+  parent = e_source_registry_ref_source (self->source_registry, e_source_get_parent (source));
+
+  gcal_calendar_new (source, parent, self->async_ops, on_calendar_created_cb, self);
 
   GCAL_EXIT;
 }