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1 // Copyright 2015 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_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_ | |
6 #define UI_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "base/time/time.h" | |
10 #include "ui/events/ozone/evdev/touch_noise/touch_noise_filter.h" | |
11 | |
12 namespace ui { | |
13 | |
14 class FarApartTapsTouchNoiseFilter : public TouchNoiseFilter { | |
15 public: | |
16 FarApartTapsTouchNoiseFilter() {} | |
17 ~FarApartTapsTouchNoiseFilter() override {} | |
18 | |
19 // TouchNoiseFilter: | |
20 void Filter(const std::vector<InProgressTouchEvdev>& touches, | |
21 base::TimeDelta time, | |
22 std::bitset<kNumTouchEvdevSlots>* slots_with_noise) override; | |
23 | |
24 private: | |
25 struct Tap { | |
26 Tap() : x(0), y(0) {} | |
27 Tap(base::TimeDelta start, int x, int y) | |
28 : start(start), x(x), y(y) {} | |
29 | |
30 bool is_valid() const { return start != base::TimeDelta(); } | |
31 void Invalidate() { start = base::TimeDelta(); } | |
32 | |
33 base::TimeDelta start; | |
34 float x; | |
35 float y; | |
36 }; | |
37 | |
38 // Tracks in progress taps in slots. | |
39 Tap tracked_taps_[kNumTouchEvdevSlots]; | |
40 | |
41 DISALLOW_COPY_AND_ASSIGN(FarApartTapsTouchNoiseFilter); | |
42 }; | |
43 | |
44 } // namespace ui | |
45 | |
46 #endif // UI_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H
_ | |
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