ui/ozone/public/input_controller.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_OZONE_PUBLIC_INPUT_CONTROLLER_H_
   6 #define UI_OZONE_PUBLIC_INPUT_CONTROLLER_H_
   7
   8 #include <set>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/callback.h"
  13 #include "base/files/file_path.h"
  14 #include "base/macros.h"
  15 #include "base/memory/scoped_ptr.h"
  16 #include "ui/ozone/ozone_export.h"
  17
  18 namespace base {
  19 class TimeDelta;
  20 }
  21
  22 namespace ui {
  23
  24 enum class DomCode;
  25
  26 // Platform-specific interface for controlling input devices.
  27 //
  28 // The object provides methods for the preference page to configure input
  29 // devices w.r.t. the user setting. On ChromeOS, this replaces the inputcontrol
  30 // script that is originally located at /opt/google/chrome/.
  31 class OZONE_EXPORT InputController {
  32  public:
  33   typedef base::Callback<void(scoped_ptr<std::string>)>
  34       GetTouchDeviceStatusReply;
  35   typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
  36       GetTouchEventLogReply;
  37
  38   InputController() {}
  39   virtual ~InputController() {}
  40
  41   // Functions for checking devices existence.
  42   virtual bool HasMouse() = 0;
  43   virtual bool HasTouchpad() = 0;
  44
  45   // Keyboard settings.
  46   virtual bool IsCapsLockEnabled() = 0;
  47   virtual void SetCapsLockEnabled(bool enabled) = 0;
  48   virtual void SetNumLockEnabled(bool enabled) = 0;
  49   virtual bool IsAutoRepeatEnabled() = 0;
  50   virtual void SetAutoRepeatEnabled(bool enabled) = 0;
  51   virtual void SetAutoRepeatRate(const base::TimeDelta& delay,
  52                                  const base::TimeDelta& interval) = 0;
  53   virtual void GetAutoRepeatRate(base::TimeDelta* delay,
  54                                  base::TimeDelta* interval) = 0;
  55
  56   // Touchpad settings.
  57   virtual void SetTouchpadSensitivity(int value) = 0;
  58   virtual void SetTapToClick(bool enabled) = 0;
  59   virtual void SetThreeFingerClick(bool enabled) = 0;
  60   virtual void SetTapDragging(bool enabled) = 0;
  61   virtual void SetNaturalScroll(bool enabled) = 0;
  62
  63   // Mouse settings.
  64   virtual void SetMouseSensitivity(int value) = 0;
  65   virtual void SetPrimaryButtonRight(bool right) = 0;
  66
  67   // Touch log collection.
  68   virtual void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply) = 0;
  69   virtual void GetTouchEventLog(const base::FilePath& out_dir,
  70                                 const GetTouchEventLogReply& reply) = 0;
  71   // Touchscreen log settings.
  72   virtual void SetTouchEventLoggingEnabled(bool enabled) = 0;
  73
  74   // Temporarily enable/disable Tap-to-click. Used to enhance the user
  75   // experience in some use cases (e.g., typing, watching video).
  76   virtual void SetTapToClickPaused(bool state) = 0;
  77
  78   virtual void SetInternalTouchpadEnabled(bool enabled) = 0;
  79
  80   // If |enable_filter| is true, all keys on the internal keyboard except
  81   // |allowed_keys| are disabled.
  82   virtual void SetInternalKeyboardFilter(bool enable_filter,
  83                                          std::vector<DomCode> allowed_keys) = 0;
  84
  85  private:
  86   DISALLOW_COPY_AND_ASSIGN(InputController);
  87 };
  88
  89 // Create an input controller that does nothing.
  90 OZONE_EXPORT scoped_ptr<InputController> CreateStubInputController();
  91
  92 }  // namespace ui
  93
  94 #endif  // UI_OZONE_PUBLIC_INPUT_CONTROLLER_H_