libcamera/base: Move event_notifier to base

Move the event notifier, and associated header updates.

Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

include/libcamera/base/event_notifier.h

@@ -4,8 +4,8 @@
  *
  * event_notifier.h - File descriptor event notifier
  */
-#ifndef __LIBCAMERA_INTERNAL_EVENT_NOTIFIER_H__
-#define __LIBCAMERA_INTERNAL_EVENT_NOTIFIER_H__
+#ifndef __LIBCAMERA_BASE_EVENT_NOTIFIER_H__
+#define __LIBCAMERA_BASE_EVENT_NOTIFIER_H__
 
 #include <libcamera/base/object.h>
 #include <libcamera/base/signal.h>
@@ -45,4 +45,4 @@ private:
 
 } /* namespace libcamera */
 
-#endif /* __LIBCAMERA_INTERNAL_EVENT_NOTIFIER_H__ */
+#endif /* __LIBCAMERA_BASE_EVENT_NOTIFIER_H__ */

include/libcamera/base/meson.build

@@ -7,6 +7,7 @@ libcamera_base_headers = files([
     'class.h',
     'event_dispatcher.h',
     'event_dispatcher_poll.h',
+    'event_notifier.h',
     'file.h',
     'log.h',
     'message.h',

include/libcamera/internal/meson.build

@@ -22,7 +22,6 @@ libcamera_internal_headers = files([
     'device_enumerator.h',
     'device_enumerator_sysfs.h',
     'device_enumerator_udev.h',
-    'event_notifier.h',
     'formats.h',
     'ipa_manager.h',
     'ipa_module.h',