[gnome-control-center] notifications: Use content style for listboxes

[Robert Ancell <rancell src gnome org>]

commit 7f4703d7ad829cc5816fc56f062873995040be3a
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Wed May 12 19:11:34 2021 +0530

    notifications: Use content style for listboxes

 panels/notifications/cc-notifications-panel.c  |  6 ---
 panels/notifications/cc-notifications-panel.ui | 74 ++++++++++----------------
 2 files changed, 28 insertions(+), 52 deletions(-)
---
diff --git a/panels/notifications/cc-notifications-panel.c b/panels/notifications/cc-notifications-panel.c
index 358b87e62..4273feeca 100644
--- a/panels/notifications/cc-notifications-panel.c
+++ b/panels/notifications/cc-notifications-panel.c
@@ -187,16 +187,10 @@ cc_notifications_panel_init (CcNotificationsPanel *panel)
 
   panel->sections = g_list_append (panel->sections, panel->options_listbox);
   panel->sections_reverse = g_list_prepend (panel->sections_reverse, panel->options_listbox);
-  gtk_list_box_set_header_func (panel->options_listbox,
-                                cc_list_box_update_header_func,
-                                NULL, NULL);
 
   panel->sections = g_list_append (panel->sections, panel->app_listbox);
   panel->sections_reverse = g_list_prepend (panel->sections_reverse, panel->app_listbox);
   gtk_list_box_set_sort_func (panel->app_listbox, (GtkListBoxSortFunc)sort_apps, NULL, NULL);
-  gtk_list_box_set_header_func (panel->app_listbox,
-                                cc_list_box_update_header_func,
-                                NULL, NULL);
 
   build_app_store (panel);
 
diff --git a/panels/notifications/cc-notifications-panel.ui b/panels/notifications/cc-notifications-panel.ui
index 184b7c807..dac894c5f 100644
--- a/panels/notifications/cc-notifications-panel.ui
+++ b/panels/notifications/cc-notifications-panel.ui
@@ -28,40 +28,31 @@
                     <property name="orientation">vertical</property>
                     <property name="hexpand">True</property>
                     <child>
-                      <object class="GtkFrame">
+                      <object class="GtkListBox" id="options_listbox">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
-                        <property name="margin_bottom">32</property>
                         <property name="hexpand">True</property>
-                        <property name="label_xalign">0</property>
-                        <property name="shadow_type">in</property>
+                        <property name="selection_mode">none</property>
+                        <property name="margin_bottom">32</property>
+                        <signal name="keynav-failed" handler="keynav_failed" object="CcNotificationsPanel" 
swapped="yes" />
+                        <style>
+                          <class name="content"/>
+                        </style>
                         <child>
-                          <object class="GtkListBox" id="options_listbox">
+                          <object class="CcListRow" id="dnd_row">
                             <property name="visible">True</property>
-                            <property name="can_focus">False</property>
-                            <property name="hexpand">True</property>
-                            <property name="selection_mode">none</property>
-                            <signal name="keynav-failed" handler="keynav_failed" 
object="CcNotificationsPanel" swapped="yes" />
-                            <child>
-                              <object class="CcListRow" id="dnd_row">
-                                <property name="visible">True</property>
-                                <property name="title" translatable="yes">_Do Not Disturb</property>
-                                <property name="use-underline">True</property>
-                                <property name="show-switch">True</property>
-                              </object>
-                            </child>
-                            <child>
-                              <object class="CcListRow" id="lock_screen_row">
-                                <property name="visible">True</property>
-                                <property name="title" translatable="yes">_Lock Screen 
Notifications</property>
-                                <property name="use-underline">True</property>
-                                <property name="show-switch">True</property>
-                              </object>
-                            </child>
+                            <property name="title" translatable="yes">_Do Not Disturb</property>
+                            <property name="use-underline">True</property>
+                            <property name="show-switch">True</property>
                           </object>
                         </child>
-                        <child type="label_item">
-                          <placeholder/>
+                        <child>
+                          <object class="CcListRow" id="lock_screen_row">
+                            <property name="visible">True</property>
+                            <property name="title" translatable="yes">_Lock Screen Notifications</property>
+                            <property name="use-underline">True</property>
+                            <property name="show-switch">True</property>
+                          </object>
                         </child>
                       </object>
                       <packing>
@@ -91,28 +82,19 @@
                       </packing>
                     </child>
                     <child>
-                      <object class="GtkFrame">
+                      <object class="GtkListBox" id="app_listbox">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
                         <property name="hexpand">True</property>
-                        <property name="label_xalign">0</property>
-                        <property name="shadow_type">in</property>
-                        <child>
-                          <object class="GtkListBox" id="app_listbox">
-                            <property name="visible">True</property>
-                            <property name="can_focus">False</property>
-                            <property name="hexpand">True</property>
-                            <property name="selection_mode">none</property>
-                            <signal name="keynav-failed" handler="keynav_failed" 
object="CcNotificationsPanel" swapped="yes" />
-                            <signal name="row-activated" handler="select_app" object="CcNotificationsPanel" 
swapped="yes" />
-                            <accessibility>
-                              <relation type="labelled-by" target="app_list_heading_label"/>
-                            </accessibility>
-                          </object>
-                        </child>
-                        <child>
-                          <placeholder/>
-                        </child>
+                        <property name="selection_mode">none</property>
+                        <signal name="keynav-failed" handler="keynav_failed" object="CcNotificationsPanel" 
swapped="yes" />
+                        <signal name="row-activated" handler="select_app" object="CcNotificationsPanel" 
swapped="yes" />
+                        <style>
+                          <class name="content"/>
+                        </style>
+                        <accessibility>
+                          <relation type="labelled-by" target="app_list_heading_label"/>
+                        </accessibility>
                       </object>
                       <packing>
                         <property name="expand">False</property>