ozone: evdev: Keep track of settings & apply to new devices

ui/events/ozone/evdev/input_controller_evdev.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_INPUT_CONTROLLER_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_INPUT_CONTROLLER_EVDEV_H_
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/memory/weak_ptr.h"
 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
+#include "ui/events/ozone/evdev/input_device_settings_evdev.h"
 #include "ui/ozone/public/input_controller.h"
 
 namespace ui {
 
 class InputDeviceFactoryEvdevProxy;
 class KeyboardEvdev;
 class MouseButtonMapEvdev;
 
 // Ozone InputController implementation for the Linux input subsystem ("evdev").
 class EVENTS_OZONE_EVDEV_EXPORT InputControllerEvdev : public InputController {
@@ skipping 31 matching lines @@
   void SetPrimaryButtonRight(bool right) override;
   void SetTapToClickPaused(bool state) override;
   void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply) override;
   void DisableInternalTouchpad() override;
   void EnableInternalTouchpad() override;
   void DisableInternalKeyboardExceptKeys(
       scoped_ptr<std::set<DomCode>> excepted_keys) override;
   void EnableInternalKeyboard() override;
 
  private:
+  // Post task to update settings.
+  void ScheduleUpdateDeviceSettings();
+
+  // Send settings update to input_device_factory_.
+  void UpdateDeviceSettings();
+
+  // Configuration that needs to be passed on to InputDeviceFactory.
+  InputDeviceSettingsEvdev input_device_settings_;
+
+  // Task to update config from input_device_settings_ is pending.
+  bool settings_update_pending_;
+
   // Factory for devices. Needed to update device config.
   InputDeviceFactoryEvdevProxy* input_device_factory_;
 
   // Keyboard state.
   KeyboardEvdev* keyboard_;
 
   // Mouse button map.
   MouseButtonMapEvdev* button_map_;
 
   // Device presence.
   bool has_mouse_;
   bool has_touchpad_;
 
+  base::WeakPtrFactory<InputControllerEvdev> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(InputControllerEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_INPUT_CONTROLLER_EVDEV_H_