ui/events/gestures/gesture_configuration.cc - Issue 586933003: fling: Remove a bunch of code for configuring fling curves.

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

Issue 586933003: fling: Remove a bunch of code for configuring fling curves. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: moar Created 6 years, 3 months ago

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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 22 matching lines...) Expand all Loading...
33 int GestureConfiguration::show_press_delay_in_ms_ = 150;	33 int GestureConfiguration::show_press_delay_in_ms_ = 150;

34	34

35 // TODO(jdduke): Disable and remove entirely when issues with intermittent	35 // TODO(jdduke): Disable and remove entirely when issues with intermittent

36 // scroll end detection on the Pixel are resolved, crbug.com/353702.	36 // scroll end detection on the Pixel are resolved, crbug.com/353702.

37 #if defined(OS_CHROMEOS)	37 #if defined(OS_CHROMEOS)

38 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 30;	38 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 30;

39 #else	39 #else

40 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 0;	40 int GestureConfiguration::scroll_debounce_interval_in_ms_ = 0;

41 #endif	41 #endif

42	42

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

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

45 // additional empirical validation.

46 float GestureConfiguration::fling_acceleration_curve_coefficients_[

47 NumAccelParams] = {

48 0.0166667f,

49 -0.0238095f,

50 0.0452381f,

51 0.8f

52 };

53

54 } // namespace ui	43 } // namespace ui

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