It is time.

ui/events/ozone/evdev/libgestures_glue/event_reader_libevdev_cros.h

-// Copyright 2014 The Chromium 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 UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_EVENT_READER_LIBEVDEV_CROS_H_
-#define UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_EVENT_READER_LIBEVDEV_CROS_H_
-
-#include <libevdev/libevdev.h>
-
-#include "base/files/file_path.h"
-#include "base/message_loop/message_loop.h"
-#include "ui/events/ozone/evdev/event_converter_evdev.h"
-
-namespace ui {
-
-// Basic wrapper for libevdev-cros.
-//
-// This drives libevdev-cros from a file descriptor and calls delegate
-// with the updated event state from libevdev-cros.
-//
-// The library doesn't support all devices currently. In particular there
-// is no support for keyboard events.
-class EventReaderLibevdevCros : public EventConverterEvdev {
- public:
-  class Delegate {
-   public:
-    virtual ~Delegate();
-
-    // Notifier for open. This is called with the initial event state.
-    virtual void OnLibEvdevCrosOpen(Evdev* evdev, EventStateRec* evstate) = 0;
-
-    // Notifier for event. This is called with the updated event state.
-    virtual void OnLibEvdevCrosEvent(Evdev* evdev,
-                                     EventStateRec* state,
-                                     const timeval& time) = 0;
-  };
-
-  EventReaderLibevdevCros(int fd,
-                          const base::FilePath& path,
-                          int id,
-                          scoped_ptr<Delegate> delegate);
-  ~EventReaderLibevdevCros();
-
-  // EventConverterEvdev:
-  virtual void OnFileCanReadWithoutBlocking(int fd) override;
-
- private:
-  static void OnSynReport(void* data,
-                          EventStateRec* evstate,
-                          struct timeval* tv);
-  static void OnLogMessage(void*, int level, const char*, ...);
-
-  // Libevdev state.
-  Evdev evdev_;
-
-  // Event state.
-  EventStateRec evstate_;
-
-  // Path to input device.
-  base::FilePath path_;
-
-  // Delegate for event processing.
-  scoped_ptr<Delegate> delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(EventReaderLibevdevCros);
-};
-
-}  // namspace ui
-
-#endif  // UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_EVENT_READER_LIBEVDEV_CROS_H_