Merge monitor_reconfigure into powerd.

udev_listener.h

+// Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef POWER_MANAGER_UDEV_LISTENER_H_
+#define POWER_MANAGER_UDEV_LISTENER_H_
+
+#include <string>
+
+#include <glib.h>
+#include <libudev.h>
+
+namespace power_manager {
+
+class UdevCallback {
+ public:
+  virtual ~UdevCallback() {}
+  virtual void Run(GIOChannel* source, GIOCondition condition) = 0;
+};
+
+class UdevListener {
+ public:
+  UdevListener(UdevCallback* callback, std::string subsystem);
+  ~UdevListener();
+  bool Init();
+
+ private:
+  static gboolean EventHandler(GIOChannel* source,
+                               GIOCondition condition,
+                               gpointer data);
+
+  // Callback on udev event; not owned.
+  UdevCallback* callback_;
+
+  struct udev_monitor* monitor_;
+  struct udev* udev_;
+  std::string subsystem_;
+};
+
+} // namespace power_manager
+
+#endif  // POWER_MANAGER_UDEV_LISTENER_H_
+