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1 // Copyright 2016 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 COMPONENTS_MUS_WS_TOUCH_CONTROLLER_H_ | |
6 #define COMPONENTS_MUS_WS_TOUCH_CONTROLLER_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "ui/events/devices/input_device_event_observer.h" | |
10 | |
11 namespace mus { | |
12 namespace ws { | |
13 | |
14 class DisplayManager; | |
15 | |
16 // Tracks changes to displays and touchscreen devices. Updates the mapping | |
17 // between display devices and touchscreen devices when changes occur. | |
18 class TouchController : public ui::InputDeviceEventObserver { | |
19 public: | |
20 explicit TouchController(DisplayManager* display_manager); | |
21 ~TouchController() override; | |
22 | |
23 void UpdateTouchTransforms() const; | |
24 | |
25 // ui::InputDeviceEventObserver: | |
26 void OnTouchscreenDeviceConfigurationChanged() override; | |
27 | |
28 private: | |
29 DisplayManager* display_manager_; | |
30 | |
31 DISALLOW_COPY_AND_ASSIGN(TouchController); | |
32 }; | |
33 | |
34 } // namespace ws | |
35 } // namespace mus | |
36 | |
37 #endif // COMPONENTS_MUS_WS_TOUCH_CONTROLLER_H_ | |
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