[gnome-initial-setup/wip/oholy/account-offline-v2: 1/2] account: Add offline mode for account page

[Ondrej Holy <oholy src gnome org>]

commit d28052758ad51caf27f7d484436b90fade3b9bd6
Author: Ondrej Holy <oholy redhat com>
Date:   Fri Nov 2 13:10:36 2018 +0100

    account: Add offline mode for account page
    
    Show "Go online to setup Enterprise Login" label instead of "Set Up
    Enterprise Login" toggle if network is not available. This is based
    on the following mockup:
    https://gitlab.gnome.org/Teams/Design/os-mockups/blob/master/initial-setup/user-account.png
    
    https://gitlab.gnome.org/GNOME/gnome-initial-setup/issues/63

 .../pages/account/gis-account-page.c               | 28 ++++++++++++++++++++--
 .../pages/account/gis-account-page.ui              | 26 ++++++++++++++++----
 2 files changed, 48 insertions(+), 6 deletions(-)
---
diff --git a/gnome-initial-setup/pages/account/gis-account-page.c 
b/gnome-initial-setup/pages/account/gis-account-page.c
index 4c41cb1..0d2c562 100644
--- a/gnome-initial-setup/pages/account/gis-account-page.c
+++ b/gnome-initial-setup/pages/account/gis-account-page.c
@@ -36,9 +36,11 @@ struct _GisAccountPagePrivate
 {
   GtkWidget *page_local;
   GtkWidget *page_enterprise;
+  GtkWidget *stack;
 
   GtkWidget *page_toggle;
-  GtkWidget *stack;
+  GtkWidget *offline_label;
+  GtkWidget *offline_stack;
 
   UmAccountMode mode;
 };
@@ -203,11 +205,26 @@ on_local_user_cached (GtkWidget      *page_local,
   gis_driver_set_user_permissions (GIS_PAGE (page)->driver, user, password);
 }
 
+void
+on_network_changed (GNetworkMonitor *monitor,
+                    gboolean         available,
+                    GisAccountPage  *page)
+{
+  GisAccountPagePrivate *priv = gis_account_page_get_instance_private (page);
+
+  if (!available && priv->mode != UM_ENTERPRISE)
+    gtk_stack_set_visible_child (GTK_STACK (priv->offline_stack), priv->offline_label);
+  else
+    gtk_stack_set_visible_child (GTK_STACK (priv->offline_stack), priv->page_toggle);
+}
+
 static void
 gis_account_page_constructed (GObject *object)
 {
   GisAccountPage *page = GIS_ACCOUNT_PAGE (object);
   GisAccountPagePrivate *priv = gis_account_page_get_instance_private (page);
+  GNetworkMonitor *monitor;
+  gboolean available;
 
   G_OBJECT_CLASS (gis_account_page_parent_class)->constructed (object);
 
@@ -233,6 +250,11 @@ gis_account_page_constructed (GObject *object)
   priv->mode = NUM_MODES;
   set_mode (page, UM_LOCAL);
 
+  monitor = g_network_monitor_get_default ();
+  available = g_network_monitor_get_network_available (monitor);
+  on_network_changed (monitor, available, page);
+  g_signal_connect (monitor, "network-changed", G_CALLBACK (on_network_changed), page);
+
   gtk_widget_show (GTK_WIDGET (page));
 }
 
@@ -252,9 +274,11 @@ gis_account_page_class_init (GisAccountPageClass *klass)
 
   gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, page_local);
   gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, page_enterprise);
+  gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, stack);
 
   gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, page_toggle);
-  gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, stack);
+  gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, offline_label);
+  gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (klass), GisAccountPage, offline_stack);
 
   page_class->page_id = PAGE_ID;
   page_class->locale_changed = gis_account_page_locale_changed;
diff --git a/gnome-initial-setup/pages/account/gis-account-page.ui 
b/gnome-initial-setup/pages/account/gis-account-page.ui
index bf55701..e1b0b57 100644
--- a/gnome-initial-setup/pages/account/gis-account-page.ui
+++ b/gnome-initial-setup/pages/account/gis-account-page.ui
@@ -31,16 +31,34 @@
           </packing>
         </child>
         <child>
-          <object class="GtkToggleButton" id="page_toggle">
+          <object class="GtkStack" id="offline_stack">
             <property name="visible">True</property>
-            <property name="use_underline">True</property>
-            <property name="label" translatable="yes">Set Up _Enterprise Login</property>
             <property name="halign">center</property>
             <property name="valign">end</property>
             <property name="margin_bottom">18</property>
+            <child>
+              <object class="GtkToggleButton" id="page_toggle">
+                <property name="visible">True</property>
+                <property name="use_underline">True</property>
+                <property name="label" translatable="yes">Set Up _Enterprise Login</property>
+                <property name="halign">center</property>
+                <property name="valign">center</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel" id="offline_label">
+                <property name="visible">True</property>
+                <property name="halign">center</property>
+                <property name="valign">center</property>
+                <property name="label" translatable="yes">Go online to set up Enterprise Login</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
+              </object>
+            </child>
           </object>
         </child>
       </object>
     </child>
   </template>
-</interface>
+</interface>
\ No newline at end of file