Merge monitor_reconfigure into powerd.

udev_controller.h

Index: udev_controller.h
diff --git a/udev_controller.h b/udev_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..622a87419c4e405401f799588ae6e77b174f1087
--- /dev/null
+++ b/udev_controller.h
@@ -0,0 +1,48 @@
+// 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_CONTROLLER_H_
+#define POWER_MANAGER_UDEV_CONTROLLER_H_
+
+#include <glib.h>
+#include <libudev.h>
+
+#include <string>
+
+#include "base/basictypes.h"
+
+namespace power_manager {
+
+class UdevDelegate {
+ public:
+  virtual ~UdevDelegate() {}
+  virtual void Run(GIOChannel* source, GIOCondition condition) = 0;
+};
+
+class UdevController {
+ public:
+  UdevController(UdevDelegate* delegate, const std::string& subsystem);
+  ~UdevController();
+
+  bool Init();
+
+ private:
+  static gboolean EventHandler(GIOChannel* source,
+                               GIOCondition condition,
+                               gpointer data);
+
+  // The name of the DRM subsystem we are listening to.
+  std::string subsystem_;
+
+  // Delegate for udev event; not owned.
+  UdevDelegate* delegate_;
+
+  struct udev_monitor* monitor_;
+  struct udev* udev_;
+  DISALLOW_COPY_AND_ASSIGN(UdevController);
+};
+
+} // namespace power_manager
+
+#endif  // POWER_MANAGER_UDEV_CONTROLLER_H_