Index: ui/events/ozone/evdev/touch_noise/far_apart_taps_touch_noise_filter.h |
diff --git a/ui/events/ozone/evdev/touch_noise/far_apart_taps_touch_noise_filter.h b/ui/events/ozone/evdev/touch_noise/far_apart_taps_touch_noise_filter.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..261f45c18e90f4e1f1396ed5d9594c88ec84be78 |
--- /dev/null |
+++ b/ui/events/ozone/evdev/touch_noise/far_apart_taps_touch_noise_filter.h |
@@ -0,0 +1,46 @@ |
+// Copyright 2015 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_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_ |
+#define UI_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_ |
+ |
+#include "base/macros.h" |
+#include "base/time/time.h" |
+#include "ui/events/ozone/evdev/touch_noise/touch_noise_filter.h" |
+ |
+namespace ui { |
+ |
+class FarApartTapsTouchNoiseFilter : public TouchNoiseFilter { |
+public: |
+ FarApartTapsTouchNoiseFilter() {} |
+ ~FarApartTapsTouchNoiseFilter() override {} |
+ |
+ // TouchNoiseFilter: |
+ void Filter(const std::vector<InProgressTouchEvdev>& touches, |
+ base::TimeDelta time, |
+ std::bitset<kNumTouchEvdevSlots>* slots_with_noise) override; |
+ |
+private: |
+ struct Tap { |
+ Tap() : x(0), y(0) {} |
+ Tap(base::TimeDelta start, int x, int y) |
+ : start(start), x(x), y(y) {} |
+ |
+ bool is_valid() const { return start != base::TimeDelta(); } |
+ void Invalidate() { start = base::TimeDelta(); } |
+ |
+ base::TimeDelta start; |
+ float x; |
+ float y; |
+ }; |
+ |
+ // Tracks in progress taps in slots. |
+ Tap tracked_taps_[kNumTouchEvdevSlots]; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(FarApartTapsTouchNoiseFilter); |
+}; |
+ |
+} // namespace ui |
+ |
+#endif // UI_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_ |