1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/public/browser/overscroll_configuration.h" 6 7 #include "base/logging.h" 8 9 namespace { 10 11 float g_horiz_threshold_complete = 0.25f; 12 float g_vert_threshold_complete = 0.20f; 13 14 float g_horiz_threshold_start_touchscreen = 50.f; 15 float g_horiz_threshold_start_touchpad = 50.f; 16 float g_vert_threshold_start = 0.f; 17 18 float g_horiz_resist_after = 30.f; 19 float g_vert_resist_after = 30.f; 20 21 } 22 23 namespace content { 24 SetOverscrollConfig(OverscrollConfig config,float value)25void SetOverscrollConfig(OverscrollConfig config, float value) { 26 switch (config) { 27 case OVERSCROLL_CONFIG_HORIZ_THRESHOLD_COMPLETE: 28 g_horiz_threshold_complete = value; 29 break; 30 31 case OVERSCROLL_CONFIG_VERT_THRESHOLD_COMPLETE: 32 g_vert_threshold_complete = value; 33 break; 34 35 case OVERSCROLL_CONFIG_HORIZ_THRESHOLD_START_TOUCHSCREEN: 36 g_horiz_threshold_start_touchscreen = value; 37 break; 38 39 case OVERSCROLL_CONFIG_HORIZ_THRESHOLD_START_TOUCHPAD: 40 g_horiz_threshold_start_touchpad = value; 41 break; 42 43 case OVERSCROLL_CONFIG_VERT_THRESHOLD_START: 44 g_vert_threshold_start = value; 45 break; 46 47 case OVERSCROLL_CONFIG_HORIZ_RESIST_AFTER: 48 g_horiz_resist_after = value; 49 break; 50 51 case OVERSCROLL_CONFIG_VERT_RESIST_AFTER: 52 g_vert_resist_after = value; 53 break; 54 55 case OVERSCROLL_CONFIG_NONE: 56 case OVERSCROLL_CONFIG_COUNT: 57 NOTREACHED(); 58 } 59 } 60 GetOverscrollConfig(OverscrollConfig config)61float GetOverscrollConfig(OverscrollConfig config) { 62 switch (config) { 63 case OVERSCROLL_CONFIG_HORIZ_THRESHOLD_COMPLETE: 64 return g_horiz_threshold_complete; 65 66 case OVERSCROLL_CONFIG_VERT_THRESHOLD_COMPLETE: 67 return g_vert_threshold_complete; 68 69 case OVERSCROLL_CONFIG_HORIZ_THRESHOLD_START_TOUCHSCREEN: 70 return g_horiz_threshold_start_touchscreen; 71 72 case OVERSCROLL_CONFIG_HORIZ_THRESHOLD_START_TOUCHPAD: 73 return g_horiz_threshold_start_touchpad; 74 75 case OVERSCROLL_CONFIG_VERT_THRESHOLD_START: 76 return g_vert_threshold_start; 77 78 case OVERSCROLL_CONFIG_HORIZ_RESIST_AFTER: 79 return g_horiz_resist_after; 80 81 case OVERSCROLL_CONFIG_VERT_RESIST_AFTER: 82 return g_vert_resist_after; 83 84 case OVERSCROLL_CONFIG_NONE: 85 case OVERSCROLL_CONFIG_COUNT: 86 NOTREACHED(); 87 } 88 89 return -1.f; 90 } 91 92 } // namespace content 93