Dump touchpad event logs for touch log source

ui/ozone/public/input_controller.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_OZONE_PUBLIC_INPUT_CONTROLLER_H_
 #define UI_OZONE_PUBLIC_INPUT_CONTROLLER_H_
 
 #include <set>
 #include <string>
+#include <vector>
 
 #include "base/callback.h"
+#include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/ozone/ozone_export.h"
 
 namespace base {
 class TimeDelta;
 }
 
 namespace ui {
 
 enum class DomCode;
 
 // Platform-specific interface for controlling input devices.
 //
 // The object provides methods for the preference page to configure input
 // devices w.r.t. the user setting. On ChromeOS, this replaces the inputcontrol
 // script that is originally located at /opt/google/chrome/.
 class OZONE_EXPORT InputController {
  public:
   typedef base::Callback<void(scoped_ptr<std::string>)>
       GetTouchDeviceStatusReply;
+  typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
+      GetTouchEventLogReply;
 
   InputController() {}
   virtual ~InputController() {}
 
   // Functions for checking devices existence.
   virtual bool HasMouse() = 0;
   virtual bool HasTouchpad() = 0;
 
   // Keyboard settings.
   virtual bool IsCapsLockEnabled() = 0;
@@ skipping 12 matching lines @@
   virtual void SetThreeFingerClick(bool enabled) = 0;
   virtual void SetTapDragging(bool enabled) = 0;
   virtual void SetNaturalScroll(bool enabled) = 0;
 
   // Mouse settings.
   virtual void SetMouseSensitivity(int value) = 0;
   virtual void SetPrimaryButtonRight(bool right) = 0;
 
   // Touch log collection.
   virtual void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply) = 0;
+  virtual void GetTouchEventLog(const base::FilePath& out_dir,
+                                const GetTouchEventLogReply& reply) = 0;
 
   // Temporarily enable/disable Tap-to-click. Used to enhance the user
   // experience in some use cases (e.g., typing, watching video).
   virtual void SetTapToClickPaused(bool state) = 0;
 
   // Disables the internal touchpad.
   virtual void DisableInternalTouchpad() = 0;
 
   // Enables the internal touchpad.
   virtual void EnableInternalTouchpad() = 0;
 
   // Disables all keys on the internal keyboard except |excepted_keys|.
   virtual void DisableInternalKeyboardExceptKeys(
       scoped_ptr<std::set<DomCode>> excepted_keys) = 0;
 
   // Enables all keys on the internal keyboard.
   virtual void EnableInternalKeyboard() = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputController);
 };
 
 // Create an input controller that does nothing.
 OZONE_EXPORT scoped_ptr<InputController> CreateStubInputController();
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_INPUT_CONTROLLER_H_