diff --git a/src/shell-app.c b/src/shell-app.c
index 0b55aa092..916783a59 100644
--- a/src/shell-app.c
+++ b/src/shell-app.c
@@ -137,8 +137,7 @@ shell_app_get_property (GObject    *gobject,
       g_value_set_object (value, shell_app_get_icon (app));
       break;
     case PROP_ACTION_GROUP:
-      if (app->running_state)
-        g_value_set_object (value, app->running_state->muxer);
+      g_value_set_object (value, shell_app_get_action_group (app));
       break;
     case PROP_APP_INFO:
       if (app->info)
@@ -211,6 +210,21 @@ shell_app_get_icon (ShellApp *app)
   return app->fallback_icon;
 }
 
+/**
+ * shell_app_get_action_group:
+ *
+ * Return value: (transfer none) (nullable):
+ */
+GActionGroup *
+shell_app_get_action_group (ShellApp *app)
+{
+  g_return_val_if_fail (SHELL_IS_APP (app), NULL);
+
+  if (app->running_state)
+    return G_ACTION_GROUP (app->running_state->muxer);
+  return NULL;
+}
+
 /**
  * shell_app_create_icon_texture:
  *
diff --git a/src/shell-app.h b/src/shell-app.h
index aa67847b2..91cf45d35 100644
--- a/src/shell-app.h
+++ b/src/shell-app.h
@@ -33,6 +33,8 @@ const char *shell_app_get_name (ShellApp *app);
 const char *shell_app_get_description (ShellApp *app);
 gboolean shell_app_is_window_backed (ShellApp *app);
 
+GActionGroup * shell_app_get_action_group (ShellApp *app);
+
 void shell_app_activate_window (ShellApp *app, MetaWindow *window, guint32 timestamp);
 
 void shell_app_activate (ShellApp      *app);
diff --git a/src/shell-camera-monitor.c b/src/shell-camera-monitor.c
index 85d4f776b..f0866811a 100644
--- a/src/shell-camera-monitor.c
+++ b/src/shell-camera-monitor.c
@@ -456,3 +456,10 @@ error:
     g_message ("Failed to start camera monitor");
 #endif
 }
+
+gboolean
+shell_camera_monitor_get_cameras_in_use (ShellCameraMonitor *monitor)
+{
+  g_return_val_if_fail (SHELL_IS_CAMERA_MONITOR (monitor), FALSE);
+  return monitor->cameras_in_use;
+}
diff --git a/src/shell-camera-monitor.h b/src/shell-camera-monitor.h
index 558e3c463..57ab9a7be 100644
--- a/src/shell-camera-monitor.h
+++ b/src/shell-camera-monitor.h
@@ -29,4 +29,6 @@ G_BEGIN_DECLS
 G_DECLARE_FINAL_TYPE (ShellCameraMonitor, shell_camera_monitor,
                       SHELL, CAMERA_MONITOR, GObject)
 
+gboolean shell_camera_monitor_get_cameras_in_use (ShellCameraMonitor *monitor);
+
 G_END_DECLS
diff --git a/src/shell-global.c b/src/shell-global.c
index b955733d6..9e73d25f4 100644
--- a/src/shell-global.c
+++ b/src/shell-global.c
@@ -44,9 +44,7 @@
 #include "shell-window-tracker.h"
 #include "shell-app-usage.h"
 #include "shell-app-cache-private.h"
-#include "shell-wm.h"
 #include "shell-util.h"
-#include "st.h"
 #include "switcheroo-control.h"
 
 static ShellGlobal *the_object = NULL;
@@ -226,29 +224,13 @@ shell_global_set_property(GObject         *object,
       global->session_mode = g_ascii_strdown (g_value_get_string (value), -1);
       break;
     case PROP_FRAME_TIMESTAMPS:
-      {
-        gboolean enable = g_value_get_boolean (value);
-
-        if (global->frame_timestamps != enable)
-          {
-            global->frame_timestamps = enable;
-            g_object_notify_by_pspec (object, props[PROP_FRAME_TIMESTAMPS]);
-          }
-      }
+      shell_global_set_frame_timestamps (global, g_value_get_boolean (value));
       break;
     case PROP_FRAME_FINISH_TIMESTAMP:
-      {
-        gboolean enable = g_value_get_boolean (value);
-
-        if (global->frame_finish_timestamp != enable)
-          {
-            global->frame_finish_timestamp = enable;
-            g_object_notify_by_pspec (object, props[PROP_FRAME_FINISH_TIMESTAMP]);
-          }
-      }
+      shell_global_set_frame_finish_timestamp (global, g_value_get_boolean (value));
       break;
     case PROP_FORCE_ANIMATIONS:
-      global->force_animations = g_value_get_boolean (value);
+      shell_global_set_force_animations (global, g_value_get_boolean (value));
       break;
     case PROP_AUTOMATION_SCRIPT:
       g_set_object (&global->automation_script, g_value_get_object (value));
@@ -288,20 +270,11 @@ shell_global_get_property(GObject         *object,
       g_value_set_object (value, global->workspace_manager);
       break;
     case PROP_SCREEN_WIDTH:
-      {
-        int width, height;
-
-        meta_display_get_size (global->meta_display, &width, &height);
-        g_value_set_int (value, width);
-      }
+      g_value_set_int (value, shell_global_get_screen_width (global));
+      break;
       break;
     case PROP_SCREEN_HEIGHT:
-      {
-        int width, height;
-
-        meta_display_get_size (global->meta_display, &width, &height);
-        g_value_set_int (value, height);
-      }
+      g_value_set_int (value, shell_global_get_screen_height (global));
       break;
     case PROP_STAGE:
       g_value_set_object (value, global->stage);
@@ -643,7 +616,7 @@ shell_global_class_init (ShellGlobalClass *klass)
   props[PROP_FORCE_ANIMATIONS] =
     g_param_spec_boolean ("force-animations", NULL, NULL,
                           FALSE,
-                          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+                          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
 
   props[PROP_AUTOMATION_SCRIPT] =
     g_param_spec_object ("automation-script", NULL, NULL,
@@ -767,6 +740,17 @@ shell_global_get_backend (ShellGlobal *global)
   return global->backend;
 }
 
+/**
+ * shell_global_get_compositor:
+ *
+ * Return value: (transfer none): The #MetaCompositor
+ */
+MetaCompositor *
+shell_global_get_compositor (ShellGlobal *global)
+{
+  return global->compositor;
+}
+
 /**
  * shell_global_get_context:
  *
@@ -811,6 +795,28 @@ shell_global_get_workspace_manager (ShellGlobal  *global)
   return global->workspace_manager;
 }
 
+/**
+ * shell_global_get_window_manager:
+ *
+ * Return value: (transfer none): The default #ShellWM
+ */
+ShellWM *
+shell_global_get_window_manager (ShellGlobal  *global)
+{
+  return global->wm;
+}
+
+/**
+ * shell_global_get_focus_manager:
+ *
+ * Return value: (transfer none): The default #StFocusManager
+ */
+StFocusManager *
+shell_global_get_focus_manager (ShellGlobal  *global)
+{
+  return global->focus_manager;
+}
+
 /**
  * shell_global_get_window_actors:
  *
@@ -833,6 +839,46 @@ shell_global_get_window_actors (ShellGlobal *global)
   return g_list_reverse (filtered);
 }
 
+/**
+ * shell_global_get_window_group:
+ *
+ * Return value: (transfer none):
+ */
+ClutterActor *
+shell_global_get_window_group (ShellGlobal *global)
+{
+  return meta_compositor_get_window_group (global->compositor);
+}
+
+/**
+ * shell_global_get_top_window_group:
+ *
+ * Return value: (transfer none):
+ */
+ClutterActor *
+shell_global_get_top_window_group (ShellGlobal *global)
+{
+  return meta_compositor_get_top_window_group (global->compositor);
+}
+
+int
+shell_global_get_screen_width (ShellGlobal *global)
+{
+  int width;
+
+  meta_display_get_size (global->meta_display, &width, NULL);
+  return width;
+}
+
+int
+shell_global_get_screen_height (ShellGlobal *global)
+{
+  int height;
+
+  meta_display_get_size (global->meta_display, NULL, &height);
+  return height;
+}
+
 static void
 global_stage_notify_width (GObject    *gobject,
                            GParamSpec *pspec,
@@ -1578,6 +1624,46 @@ shell_global_get_session_mode (ShellGlobal *global)
   return global->session_mode;
 }
 
+gboolean
+shell_global_get_force_animations (ShellGlobal *global)
+{
+  return global->force_animations;
+}
+
+void
+shell_global_set_force_animations (ShellGlobal *global,
+                                   gboolean     force)
+{
+  if (force == global->force_animations)
+    return;
+
+  global->force_animations = force;
+  g_object_notify_by_pspec (G_OBJECT (global), props[PROP_FORCE_ANIMATIONS]);
+}
+
+const char *
+shell_global_get_datadir (ShellGlobal *global)
+{
+  return global->datadir;
+}
+
+const char *
+shell_global_get_userdatadir (ShellGlobal *global)
+{
+  return global->userdatadir;
+}
+
+/**
+ * shell_global_get_automation_script:
+ *
+ * Return value: (transfer none):
+ */
+GFile *
+shell_global_get_automation_script (ShellGlobal *global)
+{
+  return global->automation_script;
+}
+
 static void
 delete_variant_cb (GObject      *object,
                    GAsyncResult *result,
@@ -1888,3 +1974,37 @@ shell_global_get_app_usage (ShellGlobal *global)
     global->app_usage = g_object_new (SHELL_TYPE_APP_USAGE, NULL);
   return global->app_usage;
 }
+
+gboolean
+shell_global_get_frame_timestamps (ShellGlobal *global)
+{
+  return global->frame_timestamps;
+}
+
+void
+shell_global_set_frame_timestamps (ShellGlobal *global,
+                                   gboolean     enable)
+{
+  if (global->frame_timestamps != enable)
+    {
+      global->frame_timestamps = enable;
+      g_object_notify_by_pspec (G_OBJECT (global), props[PROP_FRAME_TIMESTAMPS]);
+    }
+}
+
+gboolean
+shell_global_get_frame_finish_timestamp (ShellGlobal *global)
+{
+  return global->frame_finish_timestamp;
+}
+
+void
+shell_global_set_frame_finish_timestamp (ShellGlobal *global,
+                                         gboolean     enable)
+{
+  if (global->frame_finish_timestamp != enable)
+    {
+      global->frame_finish_timestamp = enable;
+      g_object_notify_by_pspec (G_OBJECT (global), props[PROP_FRAME_FINISH_TIMESTAMP]);
+    }
+}
diff --git a/src/shell-global.h b/src/shell-global.h
index 4ccf174fe..ef0799658 100644
--- a/src/shell-global.h
+++ b/src/shell-global.h
@@ -5,18 +5,21 @@
 #include <glib-object.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <meta/meta-plugin.h>
+#include <st/st.h>
 
 G_BEGIN_DECLS
 
 #include "shell-window-tracker.h"
 #include "shell-app-system.h"
 #include "shell-app-usage.h"
+#include "shell-wm.h"
 
 #define SHELL_TYPE_GLOBAL (shell_global_get_type ())
 G_DECLARE_FINAL_TYPE (ShellGlobal, shell_global, SHELL, GLOBAL, GObject)
 
 ShellGlobal          *shell_global_get                       (void);
 MetaBackend          *shell_global_get_backend               (ShellGlobal *global);
+MetaCompositor       *shell_global_get_compositor            (ShellGlobal *global);
 MetaContext          *shell_global_get_context               (ShellGlobal *global);
 ClutterStage         *shell_global_get_stage                 (ShellGlobal *global);
 MetaDisplay          *shell_global_get_display               (ShellGlobal *global);
@@ -24,7 +27,23 @@ GList                *shell_global_get_window_actors         (ShellGlobal *globa
 GSettings            *shell_global_get_settings              (ShellGlobal *global);
 guint32               shell_global_get_current_time          (ShellGlobal *global);
 MetaWorkspaceManager *shell_global_get_workspace_manager     (ShellGlobal *global);
+ShellWM              *shell_global_get_window_manager        (ShellGlobal *global);
+StFocusManager       *shell_global_get_focus_manager         (ShellGlobal *global);
 
+int shell_global_get_screen_width  (ShellGlobal *global);
+int shell_global_get_screen_height (ShellGlobal *global);
+
+ClutterActor * shell_global_get_window_group (ShellGlobal *global);
+ClutterActor * shell_global_get_top_window_group (ShellGlobal *global);
+
+const char * shell_global_get_datadir (ShellGlobal *global);
+const char * shell_global_get_userdatadir (ShellGlobal *global);
+
+GFile * shell_global_get_automation_script (ShellGlobal *global);
+
+gboolean shell_global_get_force_animations (ShellGlobal *global);
+void     shell_global_set_force_animations (ShellGlobal *global,
+                                            gboolean     force);
 
 /* Input/event handling */
 void     shell_global_set_stage_input_region (ShellGlobal         *global,
@@ -98,4 +117,12 @@ ShellAppSystem *     shell_global_get_app_system     (ShellGlobal *global);
 
 ShellAppUsage *      shell_global_get_app_usage      (ShellGlobal *global);
 
+gboolean shell_global_get_frame_timestamps (ShellGlobal *global);
+void shell_global_set_frame_timestamps (ShellGlobal *global,
+                                        gboolean     enable);
+
+gboolean shell_global_get_frame_finish_timestamp (ShellGlobal *global);
+void shell_global_set_frame_finish_timestamp (ShellGlobal *global,
+                                              gboolean     enable);
+
 G_END_DECLS
diff --git a/src/shell-keyring-prompt.c b/src/shell-keyring-prompt.c
index d97b72c58..9a518c86c 100644
--- a/src/shell-keyring-prompt.c
+++ b/src/shell-keyring-prompt.c
@@ -257,17 +257,16 @@ shell_keyring_prompt_get_property (GObject    *obj,
     g_value_set_string (value, self->cancel_label);
     break;
   case PROP_PASSWORD_VISIBLE:
-    g_value_set_boolean (value, self->mode == PROMPTING_FOR_PASSWORD);
+    g_value_set_boolean (value, shell_keyring_prompt_get_password_visible (self));
     break;
   case PROP_CONFIRM_VISIBLE:
-    g_value_set_boolean (value, self->password_new &&
-                                self->mode == PROMPTING_FOR_PASSWORD);
+    g_value_set_boolean (value, shell_keyring_prompt_get_confirm_visible (self));
     break;
   case PROP_WARNING_VISIBLE:
-    g_value_set_boolean (value, self->warning && self->warning[0]);
+    g_value_set_boolean (value, shell_keyring_prompt_get_warning_visible (self));
     break;
   case PROP_CHOICE_VISIBLE:
-    g_value_set_boolean (value, self->choice_label && self->choice_label[0]);
+    g_value_set_boolean (value, shell_keyring_prompt_get_choice_visible (self));
     break;
   case PROP_PASSWORD_ACTOR:
     g_value_set_object (value, shell_keyring_prompt_get_password_actor (self));
@@ -541,6 +540,34 @@ shell_keyring_prompt_new (void)
 	return g_object_new (SHELL_TYPE_KEYRING_PROMPT, NULL);
 }
 
+gboolean
+shell_keyring_prompt_get_password_visible (ShellKeyringPrompt *self)
+{
+  g_return_val_if_fail (SHELL_IS_KEYRING_PROMPT (self), FALSE);
+  return self->mode == PROMPTING_FOR_PASSWORD;
+}
+
+gboolean
+shell_keyring_prompt_get_confirm_visible (ShellKeyringPrompt *self)
+{
+  g_return_val_if_fail (SHELL_IS_KEYRING_PROMPT (self), FALSE);
+  return self->password_new && self->mode == PROMPTING_FOR_PASSWORD;
+}
+
+gboolean
+shell_keyring_prompt_get_warning_visible (ShellKeyringPrompt *self)
+{
+  g_return_val_if_fail (SHELL_IS_KEYRING_PROMPT (self), FALSE);
+  return self->warning && self->warning[0];
+}
+
+gboolean
+shell_keyring_prompt_get_choice_visible (ShellKeyringPrompt *self)
+{
+  g_return_val_if_fail (SHELL_IS_KEYRING_PROMPT (self), FALSE);
+  return self->choice_label && self->choice_label[0];
+}
+
 /**
  * shell_keyring_prompt_get_password_actor:
  * @self: the internal prompt
diff --git a/src/shell-keyring-prompt.h b/src/shell-keyring-prompt.h
index f217310bc..6d7d80e15 100644
--- a/src/shell-keyring-prompt.h
+++ b/src/shell-keyring-prompt.h
@@ -37,6 +37,11 @@ G_DECLARE_FINAL_TYPE (ShellKeyringPrompt, shell_keyring_prompt,
 
 ShellKeyringPrompt * shell_keyring_prompt_new                  (void);
 
+gboolean shell_keyring_prompt_get_password_visible (ShellKeyringPrompt *self);
+gboolean shell_keyring_prompt_get_confirm_visible (ShellKeyringPrompt *self);
+gboolean shell_keyring_prompt_get_warning_visible (ShellKeyringPrompt *self);
+gboolean shell_keyring_prompt_get_choice_visible (ShellKeyringPrompt *self);
+
 ClutterText *        shell_keyring_prompt_get_password_actor   (ShellKeyringPrompt *self);
 
 void                 shell_keyring_prompt_set_password_actor   (ShellKeyringPrompt *self,
diff --git a/src/shell-tray-icon.c b/src/shell-tray-icon.c
index 3af5cc4b8..462945e9e 100644
--- a/src/shell-tray-icon.c
+++ b/src/shell-tray-icon.c
@@ -273,6 +273,30 @@ shell_tray_icon_new (NaTrayChild *tray_child)
   return CLUTTER_ACTOR (tray_icon);
 }
 
+pid_t
+shell_tray_icon_get_pid (ShellTrayIcon *icon)
+{
+  g_return_val_if_fail (SHELL_IS_TRAY_ICON (icon), -1);
+
+  return icon->pid;
+}
+
+const char *
+shell_tray_icon_get_title (ShellTrayIcon *icon)
+{
+  g_return_val_if_fail (SHELL_IS_TRAY_ICON (icon), NULL);
+
+  return icon->title;
+}
+
+const char *
+shell_tray_icon_get_wm_class (ShellTrayIcon *icon)
+{
+  g_return_val_if_fail (SHELL_IS_TRAY_ICON (icon), NULL);
+
+  return icon->wm_class;
+}
+
 /**
  * shell_tray_icon_click:
  * @icon: a #ShellTrayIcon
diff --git a/src/shell-tray-icon.h b/src/shell-tray-icon.h
index 29ecb2d8c..8aa3c7e28 100644
--- a/src/shell-tray-icon.h
+++ b/src/shell-tray-icon.h
@@ -7,5 +7,9 @@
 G_DECLARE_FINAL_TYPE (ShellTrayIcon, shell_tray_icon,
                       SHELL, TRAY_ICON, ClutterClone)
 
+pid_t shell_tray_icon_get_pid (ShellTrayIcon *icon);
+const char * shell_tray_icon_get_title (ShellTrayIcon *icon);
+const char * shell_tray_icon_get_wm_class (ShellTrayIcon *icon);
+
 void shell_tray_icon_click (ShellTrayIcon *icon,
                             ClutterEvent  *event);
diff --git a/src/shell-tray-manager.c b/src/shell-tray-manager.c
index e68e64ccf..ddbd17608 100644
--- a/src/shell-tray-manager.c
+++ b/src/shell-tray-manager.c
@@ -176,6 +176,18 @@ shell_tray_manager_new (void)
   return g_object_new (SHELL_TYPE_TRAY_MANAGER, NULL);
 }
 
+/**
+ * shell_tray_manager_get_bg_color:
+ *
+ * Returns: (transfer none):
+ */
+CoglColor *
+shell_tray_manager_get_bg_color (ShellTrayManager *manager)
+{
+  g_return_val_if_fail (SHELL_IS_TRAY_MANAGER (manager), NULL);
+  return &manager->bg_color;
+}
+
 static void
 shell_tray_manager_ensure_resources (ShellTrayManager *manager)
 {
diff --git a/src/shell-tray-manager.h b/src/shell-tray-manager.h
index 2609e4a05..0755f552f 100644
--- a/src/shell-tray-manager.h
+++ b/src/shell-tray-manager.h
@@ -16,4 +16,6 @@ void              shell_tray_manager_manage_screen (ShellTrayManager *manager,
                                                     StWidget         *theme_widget);
 void              shell_tray_manager_unmanage_screen (ShellTrayManager *manager);
 
+CoglColor * shell_tray_manager_get_bg_color (ShellTrayManager *manager);
+
 G_END_DECLS
diff --git a/src/shell-window-preview-layout.c b/src/shell-window-preview-layout.c
index d7e6d4d67..34920d8ab 100644
--- a/src/shell-window-preview-layout.c
+++ b/src/shell-window-preview-layout.c
@@ -345,6 +345,22 @@ shell_window_preview_layout_class_init (ShellWindowPreviewLayoutClass *klass)
   g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
 }
 
+/**
+ * shell_window_preview_layout_get_bounding_box:
+ *
+ * Returns: (transfer none):
+ */
+ClutterActorBox *
+shell_window_preview_layout_get_bounding_box (ShellWindowPreviewLayout *self)
+{
+  ShellWindowPreviewLayoutPrivate *priv;
+
+  g_return_val_if_fail (SHELL_IS_WINDOW_PREVIEW_LAYOUT (self), NULL);
+
+  priv = shell_window_preview_layout_get_instance_private (self);
+  return &priv->bounding_box;
+}
+
 /**
  * shell_window_preview_layout_add_window:
  * @self: a #ShellWindowPreviewLayout
diff --git a/src/shell-window-preview-layout.h b/src/shell-window-preview-layout.h
index 89eb574f3..e0f35b255 100644
--- a/src/shell-window-preview-layout.h
+++ b/src/shell-window-preview-layout.h
@@ -19,6 +19,8 @@ struct _ShellWindowPreviewLayout
   ShellWindowPreviewLayoutPrivate *priv;
 };
 
+ClutterActorBox * shell_window_preview_layout_get_bounding_box (ShellWindowPreviewLayout *self);
+
 ClutterActor * shell_window_preview_layout_add_window (ShellWindowPreviewLayout  *self,
                                                        MetaWindow *window);
 
diff --git a/src/shell-window-preview.c b/src/shell-window-preview.c
index 485e45e12..229b4c26f 100644
--- a/src/shell-window-preview.c
+++ b/src/shell-window-preview.c
@@ -168,7 +168,21 @@ shell_window_preview_class_init (ShellWindowPreviewClass *klass)
                          CLUTTER_TYPE_ACTOR,
                          G_PARAM_READWRITE |
                          G_PARAM_CONSTRUCT_ONLY |
+                         G_PARAM_EXPLICIT_NOTIFY |
                          G_PARAM_STATIC_STRINGS);
 
   g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
 }
+
+/**
+ * shell_window_preview_get_window_container:
+ *
+ * Returns: (transfer none):
+ */
+ClutterActor *
+shell_window_preview_get_window_container (ShellWindowPreview *preview)
+{
+  g_return_val_if_fail (SHELL_IS_WINDOW_PREVIEW (preview), NULL);
+
+  return preview->window_container;
+}
diff --git a/src/shell-window-preview.h b/src/shell-window-preview.h
index 53b705b40..985703481 100644
--- a/src/shell-window-preview.h
+++ b/src/shell-window-preview.h
@@ -8,4 +8,6 @@ G_BEGIN_DECLS
 G_DECLARE_FINAL_TYPE (ShellWindowPreview, shell_window_preview,
                       SHELL, WINDOW_PREVIEW, StWidget)
 
+ClutterActor * shell_window_preview_get_window_container (ShellWindowPreview *preview);
+
 G_END_DECLS
diff --git a/src/shell-window-tracker.c b/src/shell-window-tracker.c
index ce9884060..839f5244b 100644
--- a/src/shell-window-tracker.c
+++ b/src/shell-window-tracker.c
@@ -713,6 +713,18 @@ shell_window_tracker_get_window_app (ShellWindowTracker *tracker,
   return app;
 }
 
+/**
+ * shell_window_tracker_get_focus_app:
+ *
+ * Returns: (transfer none) (nullable):
+ */
+ShellApp *
+shell_window_tracker_get_focus_app (ShellWindowTracker *tracker)
+{
+  g_return_val_if_fail (SHELL_IS_WINDOW_TRACKER (tracker), NULL);
+  return tracker->focus_app;
+}
+
 
 /**
  * shell_window_tracker_get_app_from_pid:
diff --git a/src/shell-window-tracker.h b/src/shell-window-tracker.h
index d9322ed80..23a334e2d 100644
--- a/src/shell-window-tracker.h
+++ b/src/shell-window-tracker.h
@@ -21,6 +21,8 @@ ShellApp *shell_window_tracker_get_window_app (ShellWindowTracker *tracker, Meta
 
 ShellApp *shell_window_tracker_get_app_from_pid (ShellWindowTracker *tracker, int pid);
 
+ShellApp *shell_window_tracker_get_focus_app (ShellWindowTracker *tracker);
+
 GSList *shell_window_tracker_get_startup_sequences (ShellWindowTracker *tracker);
 
 G_END_DECLS
diff --git a/src/shell-workspace-background.c b/src/shell-workspace-background.c
index b528dfcb1..f3459e6bb 100644
--- a/src/shell-workspace-background.c
+++ b/src/shell-workspace-background.c
@@ -34,6 +34,8 @@ struct _ShellWorkspaceBackground
 
 G_DEFINE_TYPE (ShellWorkspaceBackground, shell_workspace_background, ST_TYPE_WIDGET);
 
+#define EPSILON (1e-10)
+
 static void
 on_workareas_changed (ShellWorkspaceBackground *self)
 {
@@ -157,14 +159,7 @@ shell_workspace_background_set_property (GObject      *gobject,
       break;
 
     case PROP_STATE_ADJUSTMENT_VALUE:
-      {
-        double new_value = g_value_get_double (value);
-        if (self->state_adjustment_value != new_value)
-        {
-          self->state_adjustment_value = new_value;
-          g_object_notify_by_pspec (gobject, obj_props[PROP_STATE_ADJUSTMENT_VALUE]);
-        }
-      }
+      shell_workspace_background_set_state_adjustment_value (self, g_value_get_double (value));
       break;
 
     default:
@@ -217,3 +212,32 @@ shell_workspace_background_init (ShellWorkspaceBackground *self)
                            G_CALLBACK (on_workareas_changed),
                            self, G_CONNECT_SWAPPED);
 }
+
+int
+shell_workspace_background_get_monitor_index (ShellWorkspaceBackground *self)
+{
+  g_return_val_if_fail (SHELL_IS_WORKSPACE_BACKGROUND (self), -1);
+
+  return self->monitor_index;
+}
+
+double
+shell_workspace_background_get_state_adjustment_value (ShellWorkspaceBackground *self)
+{
+  g_return_val_if_fail (SHELL_IS_WORKSPACE_BACKGROUND (self), -1);
+
+  return self->state_adjustment_value;
+}
+
+void
+shell_workspace_background_set_state_adjustment_value (ShellWorkspaceBackground *self,
+                                                       double                    value)
+{
+  g_return_if_fail (SHELL_IS_WORKSPACE_BACKGROUND (self));
+
+  if (fabs (self->state_adjustment_value - value) < EPSILON)
+    return;
+
+  self->state_adjustment_value = value;
+  g_object_notify_by_pspec (G_OBJECT (self), obj_props[PROP_STATE_ADJUSTMENT_VALUE]);
+}
diff --git a/src/shell-workspace-background.h b/src/shell-workspace-background.h
index 441a1ab94..6b92209e5 100644
--- a/src/shell-workspace-background.h
+++ b/src/shell-workspace-background.h
@@ -8,4 +8,10 @@ G_BEGIN_DECLS
 G_DECLARE_FINAL_TYPE (ShellWorkspaceBackground, shell_workspace_background,
                       SHELL, WORKSPACE_BACKGROUND, StWidget)
 
+int shell_workspace_background_get_monitor_index (ShellWorkspaceBackground *bg);
+
+double shell_workspace_background_get_state_adjustment_value (ShellWorkspaceBackground *bg);
+void   shell_workspace_background_set_state_adjustment_value (ShellWorkspaceBackground *bg,
+                                                              double                    value);
+
 G_END_DECLS