ui/events/ozone/evdev/input_device_factory_evdev_proxy.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_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_
   6 #define UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_
   7
   8 #include <set>
   9 #include <vector>
  10
  11 #include "base/compiler_specific.h"
  12 #include "base/files/file_path.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/single_thread_task_runner.h"
  16 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
  17
  18 namespace ui {
  19
  20 enum class DomCode;
  21 class InputDeviceFactoryEvdev;
  22 struct InputDeviceSettingsEvdev;
  23
  24 typedef base::Callback<void(scoped_ptr<std::string>)> GetTouchDeviceStatusReply;
  25 typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
  26     GetTouchEventLogReply;
  27
  28 // Thread safe proxy for InputDeviceFactoryEvdev.
  29 //
  30 // This is used on the UI thread to proxy calls to the real object on
  31 // the device I/O thread.
  32 class EVENTS_OZONE_EVDEV_EXPORT InputDeviceFactoryEvdevProxy {
  33  public:
  34   InputDeviceFactoryEvdevProxy(
  35       scoped_refptr<base::SingleThreadTaskRunner> task_runner,
  36       base::WeakPtr<InputDeviceFactoryEvdev> input_device_factory);
  37   ~InputDeviceFactoryEvdevProxy();
  38
  39   // See InputDeviceFactoryEvdev for docs. These calls simply forward to
  40   // that object on another thread.
  41   void AddInputDevice(int id, const base::FilePath& path);
  42   void RemoveInputDevice(const base::FilePath& path);
  43   void OnStartupScanComplete();
  44   void SetCapsLockLed(bool enabled);
  45   void SetTouchEventLoggingEnabled(bool enabled);
  46   void UpdateInputDeviceSettings(const InputDeviceSettingsEvdev& settings);
  47   void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply);
  48   void GetTouchEventLog(const base::FilePath& out_dir,
  49                         const GetTouchEventLogReply& reply);
  50
  51  private:
  52   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  53   base::WeakPtr<InputDeviceFactoryEvdev> input_device_factory_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(InputDeviceFactoryEvdevProxy);
  56 };
  57
  58 }  // namespace ui
  59
  60 #endif  // UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_