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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/events/ozone/evdev/touch_event_converter_evdev.h" | 5 #include "ui/events/ozone/evdev/touch_event_converter_evdev.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <linux/input.h> | 9 #include <linux/input.h> |
10 #include <poll.h> | 10 #include <poll.h> |
11 #include <stdio.h> | 11 #include <stdio.h> |
12 #include <unistd.h> | 12 #include <unistd.h> |
13 | 13 |
14 #include <cmath> | 14 #include <cmath> |
15 #include <limits> | 15 #include <limits> |
16 | 16 |
17 #include "base/bind.h" | 17 #include "base/bind.h" |
18 #include "base/callback.h" | 18 #include "base/callback.h" |
19 #include "base/command_line.h" | 19 #include "base/command_line.h" |
20 #include "base/logging.h" | 20 #include "base/logging.h" |
21 #include "base/memory/scoped_vector.h" | 21 #include "base/memory/scoped_vector.h" |
22 #include "base/message_loop/message_loop.h" | 22 #include "base/message_loop/message_loop.h" |
23 #include "base/strings/string_number_conversions.h" | 23 #include "base/strings/string_number_conversions.h" |
| 24 #include "base/strings/string_split.h" |
24 #include "base/strings/string_util.h" | 25 #include "base/strings/string_util.h" |
25 #include "base/strings/stringprintf.h" | 26 #include "base/strings/stringprintf.h" |
26 #include "base/trace_event/trace_event.h" | 27 #include "base/trace_event/trace_event.h" |
27 #include "ui/events/devices/device_data_manager.h" | 28 #include "ui/events/devices/device_data_manager.h" |
28 #include "ui/events/devices/device_util_linux.h" | 29 #include "ui/events/devices/device_util_linux.h" |
29 #include "ui/events/event.h" | 30 #include "ui/events/event.h" |
30 #include "ui/events/event_constants.h" | 31 #include "ui/events/event_constants.h" |
31 #include "ui/events/event_switches.h" | 32 #include "ui/events/event_switches.h" |
32 #include "ui/events/event_utils.h" | 33 #include "ui/events/event_utils.h" |
33 #include "ui/events/ozone/evdev/device_event_dispatcher_evdev.h" | 34 #include "ui/events/ozone/evdev/device_event_dispatcher_evdev.h" |
34 #include "ui/events/ozone/evdev/touch_evdev_types.h" | 35 #include "ui/events/ozone/evdev/touch_evdev_types.h" |
35 #include "ui/events/ozone/evdev/touch_noise/touch_noise_finder.h" | 36 #include "ui/events/ozone/evdev/touch_noise/touch_noise_finder.h" |
36 | 37 |
37 namespace { | 38 namespace { |
38 | 39 |
39 const int kMaxTrackingId = 0xffff; // TRKID_MAX in kernel. | 40 const int kMaxTrackingId = 0xffff; // TRKID_MAX in kernel. |
40 | 41 |
41 struct TouchCalibration { | 42 struct TouchCalibration { |
42 int bezel_left; | 43 int bezel_left; |
43 int bezel_right; | 44 int bezel_right; |
44 int bezel_top; | 45 int bezel_top; |
45 int bezel_bottom; | 46 int bezel_bottom; |
46 }; | 47 }; |
47 | 48 |
48 void GetTouchCalibration(TouchCalibration* cal) { | 49 void GetTouchCalibration(TouchCalibration* cal) { |
49 std::vector<std::string> parts; | 50 std::vector<std::string> parts = base::SplitString( |
50 if (Tokenize(base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | 51 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
51 switches::kTouchCalibration), | 52 switches::kTouchCalibration), |
52 ",", &parts) >= 4) { | 53 ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY); |
| 54 |
| 55 if (parts.size() >= 4) { |
53 if (!base::StringToInt(parts[0], &cal->bezel_left)) | 56 if (!base::StringToInt(parts[0], &cal->bezel_left)) |
54 LOG(ERROR) << "Incorrect left border calibration value passed."; | 57 LOG(ERROR) << "Incorrect left border calibration value passed."; |
55 if (!base::StringToInt(parts[1], &cal->bezel_right)) | 58 if (!base::StringToInt(parts[1], &cal->bezel_right)) |
56 LOG(ERROR) << "Incorrect right border calibration value passed."; | 59 LOG(ERROR) << "Incorrect right border calibration value passed."; |
57 if (!base::StringToInt(parts[2], &cal->bezel_top)) | 60 if (!base::StringToInt(parts[2], &cal->bezel_top)) |
58 LOG(ERROR) << "Incorrect top border calibration value passed."; | 61 LOG(ERROR) << "Incorrect top border calibration value passed."; |
59 if (!base::StringToInt(parts[3], &cal->bezel_bottom)) | 62 if (!base::StringToInt(parts[3], &cal->bezel_bottom)) |
60 LOG(ERROR) << "Incorrect bottom border calibration value passed."; | 63 LOG(ERROR) << "Incorrect bottom border calibration value passed."; |
61 } | 64 } |
62 } | 65 } |
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433 if (pressure_max_ - pressure_min_) | 436 if (pressure_max_ - pressure_min_) |
434 pressure /= pressure_max_ - pressure_min_; | 437 pressure /= pressure_max_ - pressure_min_; |
435 return pressure; | 438 return pressure; |
436 } | 439 } |
437 | 440 |
438 int TouchEventConverterEvdev::NextTrackingId() { | 441 int TouchEventConverterEvdev::NextTrackingId() { |
439 return next_tracking_id_++ & kMaxTrackingId; | 442 return next_tracking_id_++ & kMaxTrackingId; |
440 } | 443 } |
441 | 444 |
442 } // namespace ui | 445 } // namespace ui |
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