[gnome-games] collection-box: Add reveal_error_info_bar()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 781f9590a542d3ee42ca134a4c49385a6006fd2d
Author: Yetizone <andreii lisita gmail com>
Date:   Mon Feb 18 16:43:18 2019 +0200

    collection-box: Add reveal_error_info_bar()

 data/ui/collection-box.ui  | 3 +++
 src/ui/collection-box.vala | 7 +++++++
 2 files changed, 10 insertions(+)
---
diff --git a/data/ui/collection-box.ui b/data/ui/collection-box.ui
index 12c4c1c4..bab24792 100644
--- a/data/ui/collection-box.ui
+++ b/data/ui/collection-box.ui
@@ -12,6 +12,9 @@
         <signal name="notify::text" handler="on_search_text_notify"/>
       </object>
     </child>
+    <child>
+      <object class="GamesErrorInfoBar" id="error_info_bar"/>
+    </child>
     <child>
       <object class="GtkOverlay">
         <property name="visible">True</property>
diff --git a/src/ui/collection-box.vala b/src/ui/collection-box.vala
index 792cb3e9..0d91bef3 100644
--- a/src/ui/collection-box.vala
+++ b/src/ui/collection-box.vala
@@ -8,6 +8,8 @@ private class Games.CollectionBox : Gtk.Box {
        public bool search_mode { get; set; }
        public bool loading_notification { get; set; }
 
+       [GtkChild]
+       private ErrorInfoBar error_info_bar;
        [GtkChild]
        private SearchBar search_bar;
        [GtkChild]
@@ -64,6 +66,11 @@ private class Games.CollectionBox : Gtk.Box {
                                                              BindingFlags.DEFAULT);
        }
 
+       public void reveal_error_info_bar (string error_message) {
+               error_info_bar.message = error_message;
+               error_info_bar.revealed = true;
+       }
+
        public bool gamepad_button_press_event (Manette.Event event) {
                if (!get_mapped ())
                        return false;