ui/events/gestures/gesture_configuration.cc - Issue 409563004: Fix gesture debugging

Side by Side Diff: ui/events/gestures/gesture_configuration.cc

Issue 409563004: Fix gesture debugging (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Actually add the changes... Created 6 years, 5 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

« ui/events/gesture_detection/gesture_provider_unittest.cc ('K') | « ui/events/gesture_detection/scale_gesture_detector.cc ('k') | ui/gfx/android/view_configuration.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

OLD	NEW
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2013 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/gestures/gesture_configuration.h"	5 #include "ui/events/gestures/gesture_configuration.h"

6	6

7 namespace ui {	7 namespace ui {

8	8

9 int GestureConfiguration::default_radius_ = 25;	9 int GestureConfiguration::default_radius_ = 25;

10 int GestureConfiguration::fling_max_cancel_to_down_time_in_ms_ = 400;	10 int GestureConfiguration::fling_max_cancel_to_down_time_in_ms_ = 400;

(...skipping 18 matching lines...) Expand all Loading...
29 double GestureConfiguration::min_rail_break_velocity_ = 200;	29 double GestureConfiguration::min_rail_break_velocity_ = 200;

30 double GestureConfiguration::min_scroll_delta_squared_ = 4 * 4;	30 double GestureConfiguration::min_scroll_delta_squared_ = 4 * 4;

31 float GestureConfiguration::min_scroll_velocity_ = 30.0f;	31 float GestureConfiguration::min_scroll_velocity_ = 30.0f;

32 double GestureConfiguration::min_swipe_speed_ = 20;	32 double GestureConfiguration::min_swipe_speed_ = 20;

33 double GestureConfiguration::scroll_prediction_seconds_ = 0.03;	33 double GestureConfiguration::scroll_prediction_seconds_ = 0.03;

34 double	34 double

35 GestureConfiguration::min_touch_down_duration_in_seconds_for_click_ = 0.01;	35 GestureConfiguration::min_touch_down_duration_in_seconds_for_click_ = 0.01;

36	36

37 // If this is too small, we currently can get single finger pinch zoom. See	37 // If this is too small, we currently can get single finger pinch zoom. See

38 // crbug.com/357237 for details.	38 // crbug.com/357237 for details.

39 int GestureConfiguration::min_scaling_span_in_pixels_ = 100;	39 int GestureConfiguration::min_scaling_span_in_pixels_ = 125;

40	40

41 // The number of points used in the linear regression which determines	41 // The number of points used in the linear regression which determines

42 // touch velocity. Velocity is reported for 2 or more touch move events.	42 // touch velocity. Velocity is reported for 2 or more touch move events.

43 int GestureConfiguration::points_buffered_for_velocity_ = 8;	43 int GestureConfiguration::points_buffered_for_velocity_ = 8;

44 double GestureConfiguration::rail_break_proportion_ = 15;	44 double GestureConfiguration::rail_break_proportion_ = 15;

45 double GestureConfiguration::rail_start_proportion_ = 2;	45 double GestureConfiguration::rail_start_proportion_ = 2;

46 int GestureConfiguration::show_press_delay_in_ms_ = 150;	46 int GestureConfiguration::show_press_delay_in_ms_ = 150;

47	47

48 // TODO(jdduke): Disable and remove entirely when issues with intermittent	48 // TODO(jdduke): Disable and remove entirely when issues with intermittent

49 // scroll end detection on the Pixel are resolved, crbug.com/353702.	49 // scroll end detection on the Pixel are resolved, crbug.com/353702.

50 #if defined(OS_CHROMEOS)	50 #if defined(OS_CHROMEOS)

51 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 30;	51 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 30;

52 #else	52 #else

53 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 0;	53 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 0;

54 #endif	54 #endif

55	55

56 // Coefficients for a function that computes fling acceleration.	56 // Coefficients for a function that computes fling acceleration.

57 // These are empirically determined defaults. Do not adjust without	57 // These are empirically determined defaults. Do not adjust without

58 // additional empirical validation.	58 // additional empirical validation.

59 float GestureConfiguration::fling_acceleration_curve_coefficients_[	59 float GestureConfiguration::fling_acceleration_curve_coefficients_[

60 NumAccelParams] = {	60 NumAccelParams] = {

61 0.0166667f,	61 0.0166667f,

62 -0.0238095f,	62 -0.0238095f,

63 0.0452381f,	63 0.0452381f,

64 0.8f	64 0.8f

65 };	65 };

66	66

67 } // namespace ui	67 } // namespace ui

OLD	NEW