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

   1 // Copyright 2014 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 "base/message_loop/message_pump_libevent.h"
  10 #include "ui/events/event.h"
  11 #include "ui/events/ozone/evdev/event_converter_evdev.h"
  12 #include "ui/events/ozone/evdev/event_modifiers_evdev.h"
  13 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
  14
  15 struct input_event;
  16
  17 namespace ui {
  18
  19 class EVENTS_OZONE_EVDEV_EXPORT KeyEventConverterEvdev
  20     : public EventConverterEvdev {
  21  public:
  22   KeyEventConverterEvdev(int fd,
  23                          base::FilePath path,
  24                          EventModifiersEvdev* modifiers,
  25                          const EventDispatchCallback& dispatch);
  26   virtual ~KeyEventConverterEvdev();
  27
  28   // EventConverterEvdev:
  29   virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
  30
  31   void ProcessEvents(const struct input_event* inputs, int count);
  32
  33  private:
  34   // Callback for dispatching events.
  35   EventDispatchCallback callback_;
  36
  37   // Shared modifier state.
  38   EventModifiersEvdev* modifiers_;
  39
  40   // Controller for watching the input fd.
  41   base::MessagePumpLibevent::FileDescriptorWatcher controller_;
  42
  43   void ConvertKeyEvent(int key, int value);
  44
  45   DISALLOW_COPY_AND_ASSIGN(KeyEventConverterEvdev);
  46 };
  47
  48 }  // namspace ui
  49
  50 #endif  // UI_EVENTS_OZONE_EVDEV_KEY_EVENT_CONVERTER_EVDEV_H_
  51