src/ui/events/ozone/evdev/key_event_converter.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_EVENTS_OZONE_EVDEV_KEY_EVENT_CONVERTER_EVDEV_H_
   6 #define UI_EVENTS_OZONE_EVDEV_KEY_EVENT_CONVERTER_EVDEV_H_
   7
   8 #include "base/files/file_path.h"
   9 #include "ui/events/event.h"
  10 #include "ui/events/events_export.h"
  11 #include "ui/events/ozone/evdev/event_modifiers.h"
  12 #include "ui/events/ozone/event_converter_ozone.h"
  13
  14 struct input_event;
  15
  16 namespace ui {
  17
  18 class EVENTS_EXPORT KeyEventConverterEvdev : public EventConverterOzone {
  19  public:
  20   KeyEventConverterEvdev(int fd,
  21                          base::FilePath path,
  22                          EventModifiersEvdev* modifiers);
  23   virtual ~KeyEventConverterEvdev();
  24
  25   // Overidden from base::MessagePumpLibevent::Watcher.
  26   virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
  27   virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE;
  28
  29   void ProcessEvents(const struct input_event* inputs, int count);
  30
  31  private:
  32   // File descriptor for the /dev/input/event* instance.
  33   int fd_;
  34
  35   // Path to input device.
  36   base::FilePath path_;
  37
  38   // Shared modifier state.
  39   EventModifiersEvdev* modifiers_;
  40
  41   void ConvertKeyEvent(int key, int value);
  42
  43   DISALLOW_COPY_AND_ASSIGN(KeyEventConverterEvdev);
  44 };
  45
  46 }  // namspace ui
  47
  48 #endif  // UI_EVENTS_OZONE_EVDEV_KEY_EVENT_CONVERTER_EVDEV_H_
  49