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// 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;
virtual void SetCapsLockEnabled(bool enabled) = 0;
virtual void SetNumLockEnabled(bool enabled) = 0;
virtual bool IsAutoRepeatEnabled() = 0;
virtual void SetAutoRepeatEnabled(bool enabled) = 0;
virtual void SetAutoRepeatRate(const base::TimeDelta& delay,
const base::TimeDelta& interval) = 0;
virtual void GetAutoRepeatRate(base::TimeDelta* delay,
base::TimeDelta* interval) = 0;
// Touchpad settings.
virtual void SetTouchpadSensitivity(int value) = 0;
virtual void SetTapToClick(bool enabled) = 0;
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_
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