search/model: Port to GListModel

Part-of: <https://gitlab.gnome.org/GNOME/gnome-calendar/-/merge_requests/742>

src/search/gcal-search-model.c

@@ -40,7 +40,8 @@ struct _GcalSearchModel
   GDateTime          *range_start;
   GDateTime          *range_end;
 
-  GListModel         *model;
+  GtkMapListModel    *map_model;
+  GtkSortListModel   *sort_model;
 
   GTimer             *timer;
   guint               idle_id;
@@ -73,7 +74,7 @@ check_for_search_hits_cb (gpointer user_data)
     goto stop_idle;
 
   if (g_timer_elapsed (self->timer, NULL) >= WAIT_FOR_RESULTS_MS ||
-      g_list_model_get_n_items (self->model) >= MIN_RESULTS)
+      g_list_model_get_n_items (G_LIST_MODEL (self->sort_model)) >= MIN_RESULTS)
     {
       g_task_return_boolean (task, TRUE);
       goto stop_idle;
@@ -108,16 +109,6 @@ compare_search_hits_cb (gconstpointer a,
   return gcal_search_hit_compare (hit_a, hit_b);
 }
 
-static gboolean
-search_hits_equals_cb (gconstpointer a,
-                       gconstpointer b)
-{
-  GcalSearchHit *search_hit_a = GCAL_SEARCH_HIT ((gpointer) a);
-  GcalSearchHit *search_hit_b = GCAL_SEARCH_HIT ((gpointer) b);
-
-  return gcal_search_hit_compare (search_hit_a, search_hit_b) == 0;
-}
-
 static void
 on_search_model_items_changed_cb (GListModel      *model,
                                   guint            position,
@@ -128,6 +119,20 @@ on_search_model_items_changed_cb (GListModel      *model,
   g_list_model_items_changed (G_LIST_MODEL (self), position, removed, added);
 }
 
+static gpointer
+event_to_search_hit_func (gpointer item,
+                          gpointer user_data)
+{
+  g_autoptr (GcalSearchHitEvent) search_hit = NULL;
+
+  g_assert (GCAL_IS_EVENT (item));
+
+  search_hit = gcal_search_hit_event_new (item);
+  g_object_unref (item);
+
+  return g_steal_pointer (&search_hit);
+}
+
 
 /*
  * GcalTimelineSubscriber interface
@@ -145,28 +150,6 @@ static void
 gcal_search_model_add_event (GcalTimelineSubscriber *subscriber,
                              GcalEvent              *event)
 {
-  g_autoptr (GcalSearchHitEvent) search_hit = NULL;
-  GcalSearchModel *self;
-  gboolean found;
-
-  self = GCAL_SEARCH_MODEL (subscriber);
-
-  GCAL_TRACE_MSG ("Adding search hit '%s'", gcal_event_get_summary (event));
-
-  search_hit = gcal_search_hit_event_new (event);
-
-  found = g_list_store_find_with_equal_func (G_LIST_STORE (self->model),
-                                             search_hit,
-                                             search_hits_equals_cb,
-                                             NULL);
-
-  if (found)
-    return;
-
-  g_list_store_insert_sorted (G_LIST_STORE (self->model),
-                              search_hit,
-                              compare_search_hits_cb,
-                              self);
 }
 
 static void
@@ -182,6 +165,19 @@ gcal_search_model_remove_event (GcalTimelineSubscriber *subscriber,
 {
 }
 
+static void
+gcal_search_model_set_model (GcalTimelineSubscriber *subscriber,
+                             GListModel             *model)
+{
+  GcalSearchModel *self = GCAL_SEARCH_MODEL (subscriber);
+
+  GCAL_ENTRY;
+
+  gtk_map_list_model_set_model (self->map_model, model);
+
+  GCAL_EXIT;
+}
+
 static void
 gcal_timeline_subscriber_interface_init (GcalTimelineSubscriberInterface *iface)
 {
@@ -189,6 +185,7 @@ gcal_timeline_subscriber_interface_init (GcalTimelineSubscriberInterface *iface)
   iface->add_event = gcal_search_model_add_event;
   iface->update_event = gcal_search_model_update_event;
   iface->remove_event = gcal_search_model_remove_event;
+  iface->set_model = gcal_search_model_set_model;
 }
 
 
@@ -206,7 +203,8 @@ static guint
 gcal_search_model_get_n_items (GListModel *model)
 {
   GcalSearchModel *self = (GcalSearchModel *)model;
-  return g_list_model_get_n_items (self->model);
+  GListModel *sort_model = (GListModel *)self->sort_model;
+  return g_list_model_get_n_items (sort_model);
 }
 
 static gpointer
@@ -214,7 +212,8 @@ gcal_search_model_get_item (GListModel *model,
                             guint       position)
 {
   GcalSearchModel *self = (GcalSearchModel *)model;
-  return g_list_model_get_item (self->model, position);
+  GListModel *sort_model = (GListModel *)self->sort_model;
+  return g_list_model_get_item (sort_model, position);
 }
 
 static void
@@ -243,7 +242,8 @@ gcal_search_model_finalize (GObject *object)
   gcal_clear_date_time (&self->range_start);
   gcal_clear_date_time (&self->range_end);
   g_clear_object (&self->cancellable);
-  g_clear_object (&self->model);
+  g_clear_object (&self->sort_model);
+  g_clear_object (&self->map_model);
 
   G_OBJECT_CLASS (gcal_search_model_parent_class)->finalize (object);
 }
@@ -259,8 +259,10 @@ gcal_search_model_class_init (GcalSearchModelClass *klass)
 static void
 gcal_search_model_init (GcalSearchModel *self)
 {
-  self->model = (GListModel*) g_list_store_new (GCAL_TYPE_SEARCH_HIT);
-  g_signal_connect (self->model, "items-changed", G_CALLBACK (on_search_model_items_changed_cb), self);
+  self->map_model = gtk_map_list_model_new (NULL, event_to_search_hit_func, NULL, NULL);
+  self->sort_model = gtk_sort_list_model_new (G_LIST_MODEL (g_object_ref (self->map_model)),
+                                              GTK_SORTER (gtk_custom_sorter_new (compare_search_hits_cb, NULL, NULL)));
+  g_signal_connect (self->sort_model, "items-changed", G_CALLBACK (on_search_model_items_changed_cb), self);
 }
 
 GcalSearchModel *