blob: 61e4768f44b5df76078fb985d86b3aacd098085f [file] [log] [blame]
// Copyright 2016 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 SERVICES_UI_WS_TOUCH_CONTROLLER_H_
#define SERVICES_UI_WS_TOUCH_CONTROLLER_H_
#include "base/macros.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace ui {
namespace ws {
class DisplayManager;
// Tracks changes to displays and touchscreen devices. Updates the mapping
// between display devices and touchscreen devices when changes occur.
class TouchController : public ui::InputDeviceEventObserver {
public:
explicit TouchController(DisplayManager* display_manager);
~TouchController() override;
void UpdateTouchTransforms() const;
// ui::InputDeviceEventObserver:
void OnTouchscreenDeviceConfigurationChanged() override;
private:
DisplayManager* display_manager_;
DISALLOW_COPY_AND_ASSIGN(TouchController);
};
} // namespace ws
} // namespace ui
#endif // SERVICES_UI_WS_TOUCH_CONTROLLER_H_