[gnome-software/wip/rancell/ubuntu-ratings] details: Add an error state

[Robert Ancell <rancell src gnome org>]

commit abc543130081854bb8539b1e8c213c1f180fd710
Author: Kalev Lember <klember redhat com>
Date:   Sat Oct 24 10:24:42 2015 +0200

    details: Add an error state
    
    Instead of showing a broken details page when an app fails to load, add
    a proper error state that tells the user what went wrong.

 src/gs-shell-details.c  |   18 +++++++++++++++++-
 src/gs-shell-details.ui |   36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-shell-details.c b/src/gs-shell-details.c
index b682ed7..2edb0ca 100644
--- a/src/gs-shell-details.c
+++ b/src/gs-shell-details.c
@@ -38,7 +38,8 @@
 
 typedef enum {
        GS_SHELL_DETAILS_STATE_LOADING,
-       GS_SHELL_DETAILS_STATE_READY
+       GS_SHELL_DETAILS_STATE_READY,
+       GS_SHELL_DETAILS_STATE_FAILED
 } GsShellDetailsState;
 
 struct _GsShellDetails
@@ -83,6 +84,7 @@ struct _GsShellDetails
        GtkWidget               *label_details_size_value;
        GtkWidget               *label_details_updated_value;
        GtkWidget               *label_details_version_value;
+       GtkWidget               *label_failed;
        GtkWidget               *label_pending;
        GtkWidget               *list_box_addons;
        GtkWidget               *scrolledwindow_details;
@@ -107,6 +109,7 @@ gs_shell_details_set_state (GsShellDetails *self,
                gtk_widget_show (self->spinner_details);
                break;
        case GS_SHELL_DETAILS_STATE_READY:
+       case GS_SHELL_DETAILS_STATE_FAILED:
                gs_stop_spinner (GTK_SPINNER (self->spinner_details));
                gtk_widget_hide (self->spinner_details);
                break;
@@ -122,6 +125,9 @@ gs_shell_details_set_state (GsShellDetails *self,
        case GS_SHELL_DETAILS_STATE_READY:
                gtk_stack_set_visible_child_name (GTK_STACK (self->stack_details), "ready");
                break;
+       case GS_SHELL_DETAILS_STATE_FAILED:
+               gtk_stack_set_visible_child_name (GTK_STACK (self->stack_details), "failed");
+               break;
        default:
                g_assert_not_reached ();
        }
@@ -887,6 +893,15 @@ gs_shell_details_app_refine_cb (GObject *source,
                g_warning ("failed to refine %s: %s",
                           gs_app_get_id (self->app),
                           error->message);
+       }
+
+       if (gs_app_get_kind (self->app) == GS_APP_KIND_UNKNOWN ||
+           gs_app_get_state (self->app) == AS_APP_STATE_UNKNOWN) {
+               g_autofree gchar *str = NULL;
+
+               str = g_strdup_printf (_("Could not find '%s'"), gs_app_get_id (self->app));
+               gtk_label_set_text (GTK_LABEL (self->label_failed), str);
+               gs_shell_details_set_state (self, GS_SHELL_DETAILS_STATE_FAILED);
                return;
        }
 
@@ -1346,6 +1361,7 @@ gs_shell_details_class_init (GsShellDetailsClass *klass)
        gtk_widget_class_bind_template_child (widget_class, GsShellDetails, label_details_size_value);
        gtk_widget_class_bind_template_child (widget_class, GsShellDetails, label_details_updated_value);
        gtk_widget_class_bind_template_child (widget_class, GsShellDetails, label_details_version_value);
+       gtk_widget_class_bind_template_child (widget_class, GsShellDetails, label_failed);
        gtk_widget_class_bind_template_child (widget_class, GsShellDetails, label_pending);
        gtk_widget_class_bind_template_child (widget_class, GsShellDetails, list_box_addons);
        gtk_widget_class_bind_template_child (widget_class, GsShellDetails, scrolledwindow_details);
diff --git a/src/gs-shell-details.ui b/src/gs-shell-details.ui
index 7999f35..15a27c6 100644
--- a/src/gs-shell-details.ui
+++ b/src/gs-shell-details.ui
@@ -1029,6 +1029,42 @@
             <property name="name">ready</property>
           </packing>
         </child>
+        <child>
+          <object class="GtkBox" id="box_failed">
+            <property name="visible">True</property>
+            <property name="orientation">vertical</property>
+            <property name="spacing">12</property>
+            <property name="halign">center</property>
+            <property name="valign">center</property>
+            <property name="hexpand">True</property>
+            <property name="vexpand">True</property>
+            <style>
+              <class name="dim-label"/>
+            </style>
+            <child>
+              <object class="GtkImage" id="image_failed">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="pixel_size">128</property>
+                <property name="icon_name">gnome-software-symbolic</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label_failed">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="wrap">True</property>
+                <property name="max-width-chars">60</property>
+                <attributes>
+                  <attribute name="scale" value="1.4"/>
+                </attributes>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="name">failed</property>
+          </packing>
+        </child>
       </object>
     </child>
   </template>