backend/native: Move barrier manager to MetaSeatNative

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486

src/backends/native/meta-backend-native.c

@@ -48,7 +48,6 @@
 #include "backends/meta-pointer-constraint.h"
 #include "backends/meta-settings-private.h"
 #include "backends/meta-stage-private.h"
-#include "backends/native/meta-barrier-native.h"
 #include "backends/native/meta-clutter-backend-native.h"
 #include "backends/native/meta-cursor-renderer-native.h"
 #include "backends/native/meta-event-native.h"
@@ -75,7 +74,6 @@ struct _MetaBackendNative
   MetaLauncher *launcher;
   MetaUdev *udev;
   MetaKms *kms;
-  MetaBarrierManagerNative *barrier_manager;
 
   gulong udev_device_added_handler_id;
 };
@@ -107,20 +105,6 @@ meta_backend_native_finalize (GObject *object)
   G_OBJECT_CLASS (meta_backend_native_parent_class)->finalize (object);
 }
 
-static void
-constrain_to_barriers (ClutterInputDevice *device,
-                       guint32             time,
-                       float              *new_x,
-                       float              *new_y)
-{
-  MetaBackendNative *native = META_BACKEND_NATIVE (meta_get_backend ());
-
-  meta_barrier_manager_native_process (native->barrier_manager,
-                                       device,
-                                       time,
-                                       new_x, new_y);
-}
-
 static void
 constrain_to_client_constraint (ClutterInputDevice *device,
                                 guint32             time,
@@ -207,9 +191,6 @@ pointer_constrain_callback (ClutterInputDevice *device,
   MetaMonitorManager *monitor_manager =
     meta_backend_get_monitor_manager (backend);
 
-  /* Constrain to barriers */
-  constrain_to_barriers (device, time, new_x, new_y);
-
   /* Constrain to pointer lock */
   constrain_to_client_constraint (device, time, prev_x, prev_y, new_x, new_y);
 
@@ -709,7 +690,6 @@ meta_backend_native_initable_init (GInitable     *initable,
 #endif
 
   native->udev = meta_udev_new (native);
-  native->barrier_manager = meta_barrier_manager_native_new ();
 
   native->kms = meta_kms_new (META_BACKEND (native), error);
   if (!native->kms)
@@ -789,12 +769,6 @@ meta_activate_vt (int vt, GError **error)
   return meta_launcher_activate_vt (launcher, vt, error);
 }
 
-MetaBarrierManagerNative *
-meta_backend_native_get_barrier_manager (MetaBackendNative *native)
-{
-  return native->barrier_manager;
-}
-
 /**
  * meta_activate_session:
  *

src/backends/native/meta-barrier-native.c

@@ -36,8 +36,7 @@
 
 #include "backends/meta-backend-private.h"
 #include "backends/meta-barrier-private.h"
-#include "backends/native/meta-backend-native.h"
+#include "backends/native/meta-seat-native.h"
-#include "backends/native/meta-backend-native-private.h"
 #include "meta/barrier.h"
 #include "meta/util.h"
 
@@ -558,16 +557,16 @@ MetaBarrierImpl *
 meta_barrier_impl_native_new (MetaBarrier *barrier)
 {
   MetaBarrierImplNative *self;
-  MetaBackendNative *native;
   MetaBarrierManagerNative *manager;
+  ClutterBackend *backend = clutter_get_default_backend ();
+  ClutterSeat *seat = clutter_backend_get_default_seat (backend);
 
   self = g_object_new (META_TYPE_BARRIER_IMPL_NATIVE, NULL);
 
   self->barrier = barrier;
   self->is_active = TRUE;
 
-  native = META_BACKEND_NATIVE (meta_get_backend ());
+  manager = meta_seat_native_get_barrier_manager (META_SEAT_NATIVE (seat));
-  manager = meta_backend_native_get_barrier_manager (native);
   self->manager = manager;
   g_hash_table_add (manager->barriers, self);
 

src/backends/native/meta-seat-native.c

@@ -26,6 +26,8 @@
 
 #include "config.h"
 
+#include "backends/native/meta-seat-native.h"
+
 #include <errno.h>
 #include <fcntl.h>
 #include <libinput.h>
@@ -33,7 +35,7 @@
 #include <math.h>
 
 #include "backends/meta-cursor-tracker-private.h"
-#include "backends/native/meta-seat-native.h"
+#include "backends/native/meta-barrier-native.h"
 #include "backends/native/meta-event-native.h"
 #include "backends/native/meta-input-device-native.h"
 #include "backends/native/meta-input-device-tool-native.h"
@@ -889,6 +891,19 @@ meta_event_check (GSource *source)
   return retval;
 }
 
+static void
+constrain_to_barriers (MetaSeatNative     *seat,
+                       ClutterInputDevice *device,
+                       uint32_t            time,
+                       float              *new_x,
+                       float              *new_y)
+{
+  meta_barrier_manager_native_process (seat->barrier_manager,
+                                       device,
+                                       time,
+                                       new_x, new_y);
+}
+
 void
 meta_seat_native_constrain_pointer (MetaSeatNative     *seat,
                                     ClutterInputDevice *core_pointer,
@@ -898,6 +913,10 @@ meta_seat_native_constrain_pointer (MetaSeatNative     *seat,
                                     float              *new_x,
                                     float              *new_y)
 {
+  constrain_to_barriers (seat, core_pointer,
+                         us2ms (time_us),
+                         new_x, new_y);
+
   if (seat->constrain_callback)
     {
       seat->constrain_callback (core_pointer,
@@ -2880,6 +2899,8 @@ meta_seat_native_init (MetaSeatNative *seat)
   seat->repeat_delay = 250;     /* ms */
   seat->repeat_interval = 33;   /* ms */
 
+  seat->barrier_manager = meta_barrier_manager_native_new ();
+
   seat->reserved_virtual_slots = g_hash_table_new (NULL, NULL);
 }
 
@@ -3267,3 +3288,9 @@ meta_seat_native_get_xkb_state (MetaSeatNative *seat)
 {
   return seat->xkb;
 }
+
+MetaBarrierManagerNative *
+meta_seat_native_get_barrier_manager (MetaSeatNative *seat)
+{
+  return seat->barrier_manager;
+}

src/backends/native/meta-seat-native.h

@@ -27,6 +27,7 @@
 #include <libinput.h>
 #include <linux/input-event-codes.h>
 
+#include "backends/native/meta-barrier-native.h"
 #include "backends/native/meta-keymap-native.h"
 #include "backends/native/meta-xkb-utils.h"
 #include "clutter/clutter.h"
@@ -108,6 +109,8 @@ struct _MetaSeatNative
   int device_id_next;
   GList *free_device_ids;
 
+  MetaBarrierManagerNative *barrier_manager;
+
   MetaPointerConstrainCallback constrain_callback;
   gpointer constrain_data;
   GDestroyNotify constrain_data_notify;
@@ -294,4 +297,6 @@ void meta_seat_native_set_keyboard_repeat (MetaSeatNative *seat,
 void meta_seat_native_release_touch_slots (MetaSeatNative *seat,
                                            guint           base_slot);
 
+MetaBarrierManagerNative * meta_seat_native_get_barrier_manager (MetaSeatNative *seat);
+
 #endif /* META_SEAT_NATIVE_H */