blob: 1c7e28b8e5a881551c1aca8704ef8ced9759322f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright 2019 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_FILTER_NEURAL_STYLUS_PALM_REPORT_FILTER_H_
#define UI_EVENTS_OZONE_EVDEV_TOUCH_FILTER_NEURAL_STYLUS_PALM_REPORT_FILTER_H_
#include <bitset>
#include <vector>
#include "base/component_export.h"
#include "base/time/time.h"
#include "ui/events/ozone/evdev/event_device_info.h"
#include "ui/events/ozone/evdev/touch_evdev_types.h"
#include "ui/events/ozone/evdev/touch_filter/palm_detection_filter.h"
#include "ui/events/ozone/evdev/touch_filter/shared_palm_detection_filter_state.h"
namespace ui {
// A palm detection filter that doesn't change any reports, but adds UMA reports
// based on the shared palm state. Otherwise behaves identically to
// OpenPalmDetectionFilter.
class COMPONENT_EXPORT(EVDEV) NeuralStylusReportFilter
: public PalmDetectionFilter {
public:
explicit NeuralStylusReportFilter(
SharedPalmDetectionFilterState* shared_palm_state);
~NeuralStylusReportFilter() override;
static bool CompatibleWithNeuralStylusReportFilter(
const EventDeviceInfo& devinfo);
void Filter(const std::vector<InProgressTouchEvdev>& touches,
base::TimeTicks time,
std::bitset<kNumTouchEvdevSlots>* slots_to_hold,
std::bitset<kNumTouchEvdevSlots>* slots_to_suppress) override;
static const char kFilterName[];
static const char kNeuralFingerAge[];
static const char kNeuralPalmAge[];
static const char kNeuralPalmTouchCount[];
std::string FilterNameForTesting() const override;
private:
bool previous_update_ = false;
DISALLOW_COPY_AND_ASSIGN(NeuralStylusReportFilter);
};
} // namespace ui
#endif // UI_EVENTS_OZONE_EVDEV_TOUCH_FILTER_NEURAL_STYLUS_PALM_REPORT_FILTER_H_
|
