shell: Remove the lock button from the shell

Only the date time panel used it, all other panels add their own shell using
cc_shell_embed_widget_in_header which was added after the date time panel was
written. Update the date time panel to use this method.

panels/datetime/cc-datetime-panel.c

@@ -103,6 +103,7 @@ struct _CcDateTimePanel
   GtkWidget *h_spinbutton;
   GtkWidget *listbox1;
   GtkWidget *listbox2;
+  GtkLockButton *lock_button;
   GtkWidget *m_spinbutton;
   GtkWidget *month_combobox;
   GtkListStore *month_liststore;
@@ -167,11 +168,14 @@ cc_date_time_panel_dispose (GObject *object)
   G_OBJECT_CLASS (cc_date_time_panel_parent_class)->dispose (object);
 }
 
-static GPermission *
-cc_date_time_panel_get_permission (CcPanel *panel)
+static void
+cc_date_time_panel_constructed (GObject *object)
 {
-  CcDateTimePanel *self = CC_DATE_TIME_PANEL (panel);
-  return self->permission;
+  CcDateTimePanel *self = CC_DATE_TIME_PANEL (object);
+
+  G_OBJECT_CLASS (cc_date_time_panel_parent_class)->constructed (object);
+
+  cc_shell_embed_widget_in_header (cc_panel_get_shell (CC_PANEL (self)), GTK_WIDGET (self->lock_button));
 }
 
 static const char *
@@ -1113,10 +1117,10 @@ cc_date_time_panel_class_init (CcDateTimePanelClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
   CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
 
+  object_class->constructed = cc_date_time_panel_constructed;
   object_class->dispose = cc_date_time_panel_dispose;
 
-  panel_class->get_permission = cc_date_time_panel_get_permission;
-  panel_class->get_help_uri   = cc_date_time_panel_get_help_uri;
+  panel_class->get_help_uri = cc_date_time_panel_get_help_uri;
 
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/datetime/datetime.ui");
 
@@ -1135,6 +1139,7 @@ cc_date_time_panel_class_init (CcDateTimePanelClass *klass)
   gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, h_spinbutton);
   gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, listbox1);
   gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, listbox2);
+  gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, lock_button);
   gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, m_spinbutton);
   gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, month_liststore);
   gtk_widget_class_bind_template_child (widget_class, CcDateTimePanel, network_time_switch);
@@ -1222,6 +1227,7 @@ cc_date_time_panel_init (CcDateTimePanel *self)
       g_warning ("Your system does not have the '%s' PolicyKit files installed. Please check your installation",
                  DATETIME_PERMISSION);
     }
+  gtk_lock_button_set_permission (GTK_LOCK_BUTTON (self->lock_button), self->permission);
 
   self->location_settings = g_settings_new (LOCATION_SETTINGS);
   g_signal_connect (self->location_settings, "changed",

panels/datetime/datetime.ui

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <!-- interface-requires gtk+ 3.10 -->
+  <object class="GtkLockButton" id="lock_button">
+    <property name="visible">True</property>
+    <property name="can_focus">True</property>
+  </object>
   <object class="GtkListStore" id="city_liststore">
     <columns>
       <!-- column-name city-human-readable -->

shell/cc-panel.c

@@ -252,17 +252,6 @@ cc_panel_get_shell (CcPanel *panel)
   return priv->shell;
 }
 
-GPermission *
-cc_panel_get_permission (CcPanel *panel)
-{
-  CcPanelClass *class = CC_PANEL_GET_CLASS (panel);
-
-  if (class->get_permission)
-    return class->get_permission (panel);
-
-  return NULL;
-}
-
 const char *
 cc_panel_get_help_uri (CcPanel *panel)
 {

shell/cc-panel.h

@@ -79,7 +79,6 @@ struct _CcPanelClass
   /*< private >*/
   GtkBinClass parent_class;
 
-  GPermission * (* get_permission) (CcPanel *panel);
   const char  * (* get_help_uri)   (CcPanel *panel);
 
   GtkWidget *   (* get_title_widget) (CcPanel *panel);

shell/cc-window.c

@@ -64,7 +64,6 @@ struct _CcWindow
   GtkWidget  *search_button;
   GtkWidget  *search_bar;
   GtkWidget  *search_entry;
-  GtkWidget  *lock_button;
   GtkWidget  *development_warning_dialog;
   GtkWidget  *current_panel;
   char       *current_panel_id;
@@ -185,9 +184,6 @@ activate_panel (CcWindow          *self,
   cc_shell_set_active_panel (CC_SHELL (self), CC_PANEL (self->current_panel));
   gtk_widget_show (self->current_panel);
 
-  gtk_lock_button_set_permission (GTK_LOCK_BUTTON (self->lock_button),
-                                  cc_panel_get_permission (CC_PANEL (self->current_panel)));
-
   gtk_stack_add_named (GTK_STACK (self->stack), self->current_panel, id);
 
   /* switch to the new panel */
@@ -836,7 +832,6 @@ cc_window_class_init (CcWindowClass *klass)
   gtk_widget_class_bind_template_child (widget_class, CcWindow, header_box);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, header_sizegroup);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, list_scrolled);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, lock_button);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, panel_headerbar);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, panel_list);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, previous_button);

shell/cc-window.ui

@@ -211,14 +211,6 @@
               <object class="GtkBox" id="top_right_box">
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
-                <child>
-                  <object class="GtkLockButton" id="lock_button">
-                    <property name="can_focus">True</property>
-                    <style>
-                      <class name="text-button" />
-                    </style>
-                  </object>
-                </child>
               </object>
               <packing>
                 <property name="pack_type">end</property>
@@ -232,7 +224,6 @@
   <object class="GtkSizeGroup" id="header_sizegroup">
     <property name="mode">vertical</property>
     <widgets>
-      <widget name="lock_button"/>
       <widget name="search_button"/>
       <widget name="previous_button"/>
     </widgets>