[gtk/matthiasc/for-master: 11/12] printbackend: Add a list model getter

[Matthias Clasen <matthiasc src gnome org>]

commit 470df8303b77ab3aed7aac7737d24324bc469404
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 22 14:49:26 2019 -0500

    printbackend: Add a list model getter
    
    Now that we have a list model for printers,
    we can start using it.

 gtk/gtkprintbackend.c        | 13 +++++++++++++
 gtk/gtkprintbackendprivate.h |  2 ++
 2 files changed, 15 insertions(+)
---
diff --git a/gtk/gtkprintbackend.c b/gtk/gtkprintbackend.c
index a6f44c08ca..eadd4125d5 100644
--- a/gtk/gtkprintbackend.c
+++ b/gtk/gtkprintbackend.c
@@ -471,6 +471,19 @@ gtk_print_backend_get_printer_list (GtkPrintBackend *backend)
   return result;
 }
 
+GListModel *
+gtk_print_backend_get_printers (GtkPrintBackend *backend)
+{
+  if (!backend->priv->printer_list_requested)
+    {
+      if (GTK_PRINT_BACKEND_GET_CLASS (backend)->request_printer_list)
+       GTK_PRINT_BACKEND_GET_CLASS (backend)->request_printer_list (backend);
+      backend->priv->printer_list_requested = TRUE;
+    }
+
+  return G_LIST_MODEL (backend->priv->printers);
+}
+
 gboolean
 gtk_print_backend_printer_list_is_done (GtkPrintBackend *backend)
 {
diff --git a/gtk/gtkprintbackendprivate.h b/gtk/gtkprintbackendprivate.h
index 1c6b91e228..c6505b7c7c 100644
--- a/gtk/gtkprintbackendprivate.h
+++ b/gtk/gtkprintbackendprivate.h
@@ -149,6 +149,8 @@ GType   gtk_print_backend_get_type       (void) G_GNUC_CONST;
 GDK_AVAILABLE_IN_ALL
 GList      *gtk_print_backend_get_printer_list     (GtkPrintBackend         *print_backend);
 GDK_AVAILABLE_IN_ALL
+GListModel *gtk_print_backend_get_printers         (GtkPrintBackend         *print_backend);
+GDK_AVAILABLE_IN_ALL
 gboolean    gtk_print_backend_printer_list_is_done (GtkPrintBackend         *print_backend);
 GDK_AVAILABLE_IN_ALL
 GtkPrinter *gtk_print_backend_find_printer         (GtkPrintBackend         *print_backend,