src/ui/events/gestures/gesture_configuration.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_EVENTS_GESTURES_GESTURE_CONFIGURATION_H_
   6 #define UI_EVENTS_GESTURES_GESTURE_CONFIGURATION_H_
   7
   8 #include "base/basictypes.h"
   9 #include "ui/events/events_base_export.h"
  10
  11 namespace ui {
  12
  13 // TODO: Expand this design to support multiple OS configuration
  14 // approaches (windows, chrome, others).  This would turn into an
  15 // abstract base class.
  16
  17 class EVENTS_BASE_EXPORT GestureConfiguration {
  18  public:
  19   // Ordered alphabetically ignoring underscores, to align with the
  20   // associated list of prefs in gesture_prefs_aura.cc.
  21   static int default_radius() {
  22     return default_radius_;
  23   }
  24   static void set_default_radius(int radius) { default_radius_ = radius; }
  25   static int fling_max_cancel_to_down_time_in_ms() {
  26     return fling_max_cancel_to_down_time_in_ms_;
  27   }
  28   static void set_fling_max_cancel_to_down_time_in_ms(int val) {
  29     fling_max_cancel_to_down_time_in_ms_ = val;
  30   }
  31   static int fling_max_tap_gap_time_in_ms() {
  32     return fling_max_tap_gap_time_in_ms_;
  33   }
  34   static void set_fling_max_tap_gap_time_in_ms(int val) {
  35     fling_max_tap_gap_time_in_ms_ = val;
  36   }
  37   static double long_press_time_in_seconds() {
  38     return long_press_time_in_seconds_;
  39   }
  40   static double semi_long_press_time_in_seconds() {
  41     return semi_long_press_time_in_seconds_;
  42   }
  43   static double max_distance_for_two_finger_tap_in_pixels() {
  44     return max_distance_for_two_finger_tap_in_pixels_;
  45   }
  46   static void set_max_distance_for_two_finger_tap_in_pixels(double val) {
  47     max_distance_for_two_finger_tap_in_pixels_ = val;
  48   }
  49   static void set_long_press_time_in_seconds(double val) {
  50     long_press_time_in_seconds_ = val;
  51   }
  52   static void set_semi_long_press_time_in_seconds(double val) {
  53     semi_long_press_time_in_seconds_ = val;
  54   }
  55   static double max_seconds_between_double_click() {
  56     return max_seconds_between_double_click_;
  57   }
  58   static void set_max_seconds_between_double_click(double val) {
  59     max_seconds_between_double_click_ = val;
  60   }
  61   static int max_separation_for_gesture_touches_in_pixels() {
  62     return max_separation_for_gesture_touches_in_pixels_;
  63   }
  64   static void set_max_separation_for_gesture_touches_in_pixels(int val) {
  65     max_separation_for_gesture_touches_in_pixels_ = val;
  66   }
  67   static float max_swipe_deviation_angle() {
  68     return max_swipe_deviation_angle_;
  69   }
  70   static void set_max_swipe_deviation_angle(float val) {
  71     max_swipe_deviation_angle_ = val;
  72   }
  73   static double max_touch_down_duration_in_seconds_for_click() {
  74     return max_touch_down_duration_in_seconds_for_click_;
  75   }
  76   static void set_max_touch_down_duration_in_seconds_for_click(double val) {
  77     max_touch_down_duration_in_seconds_for_click_ = val;
  78   }
  79   static double max_touch_move_in_pixels_for_click() {
  80     return max_touch_move_in_pixels_for_click_;
  81   }
  82   static void set_max_touch_move_in_pixels_for_click(double val) {
  83     max_touch_move_in_pixels_for_click_ = val;
  84   }
  85   static double max_distance_between_taps_for_double_tap() {
  86     return max_distance_between_taps_for_double_tap_;
  87   }
  88   static void set_max_distance_between_taps_for_double_tap(double val) {
  89     max_distance_between_taps_for_double_tap_ = val;
  90   }
  91   static double min_distance_for_pinch_scroll_in_pixels() {
  92     return min_distance_for_pinch_scroll_in_pixels_;
  93   }
  94   static void set_min_distance_for_pinch_scroll_in_pixels(double val) {
  95     min_distance_for_pinch_scroll_in_pixels_ = val;
  96   }
  97   static double min_pinch_update_distance_in_pixels() {
  98     return min_pinch_update_distance_in_pixels_;
  99   }
 100   static void set_min_pinch_update_distance_in_pixels(double val) {
 101     min_pinch_update_distance_in_pixels_ = val;
 102   }
 103   static float min_scroll_velocity() {
 104     return min_scroll_velocity_;
 105   }
 106   static void set_min_scroll_velocity(float val) {
 107     min_scroll_velocity_ = val;
 108   }
 109   static double min_swipe_speed() {
 110     return min_swipe_speed_;
 111   }
 112   static void set_min_swipe_speed(double val) {
 113     min_swipe_speed_ = val;
 114   }
 115   static int min_scaling_span_in_pixels() {
 116     return min_scaling_span_in_pixels_;
 117   };
 118   static void set_min_scaling_span_in_pixels(int val) {
 119     min_scaling_span_in_pixels_ = val;
 120   }
 121   static int show_press_delay_in_ms() {
 122     return show_press_delay_in_ms_;
 123   }
 124   static int set_show_press_delay_in_ms(int val) {
 125     return show_press_delay_in_ms_ = val;
 126   }
 127   static int scroll_debounce_interval_in_ms() {
 128     return scroll_debounce_interval_in_ms_;
 129   }
 130   static int set_scroll_debounce_interval_in_ms(int val) {
 131     return scroll_debounce_interval_in_ms_ = val;
 132   }
 133   static float fling_velocity_cap() {
 134     return fling_velocity_cap_;
 135   }
 136   static void set_fling_velocity_cap(float val) {
 137     fling_velocity_cap_ = val;
 138   }
 139   // TODO(davemoore): Move into chrome/browser/ui.
 140   static int tab_scrub_activation_delay_in_ms() {
 141     return tab_scrub_activation_delay_in_ms_;
 142   }
 143   static void set_tab_scrub_activation_delay_in_ms(int val) {
 144     tab_scrub_activation_delay_in_ms_ = val;
 145   }
 146
 147  private:
 148   // These are listed in alphabetical order ignoring underscores, to
 149   // align with the associated list of preferences in
 150   // gesture_prefs_aura.cc. These two lists should be kept in sync.
 151
 152   // The default touch radius length used when the only information given
 153   // by the device is the touch center.
 154   static int default_radius_;
 155
 156   // The maximum allowed distance between two fingers for a two finger tap. If
 157   // the distance between two fingers is greater than this value, we will not
 158   // recognize a two finger tap.
 159   static double max_distance_for_two_finger_tap_in_pixels_;
 160
 161   // Maximum time between a GestureFlingCancel and a mousedown such that the
 162   // mousedown is considered associated with the cancel event.
 163   static int fling_max_cancel_to_down_time_in_ms_;
 164
 165   // Maxium time between a mousedown/mouseup pair that is considered to be a
 166   // suppressable tap.
 167   static int fling_max_tap_gap_time_in_ms_;
 168
 169   static double long_press_time_in_seconds_;
 170   static double semi_long_press_time_in_seconds_;
 171   static double max_seconds_between_double_click_;
 172   static double max_separation_for_gesture_touches_in_pixels_;
 173   static float max_swipe_deviation_angle_;
 174   static double max_touch_down_duration_in_seconds_for_click_;
 175   static double max_touch_move_in_pixels_for_click_;
 176   static double max_distance_between_taps_for_double_tap_;
 177   static double min_distance_for_pinch_scroll_in_pixels_;
 178   // Only used with --compensate-for-unstable-pinch-zoom.
 179   static double min_pinch_update_distance_in_pixels_;
 180   static float min_scroll_velocity_;
 181   static double min_swipe_speed_;
 182   static int min_scaling_span_in_pixels_;
 183   static int show_press_delay_in_ms_;
 184   static int scroll_debounce_interval_in_ms_;
 185   static float fling_velocity_cap_;
 186   // TODO(davemoore): Move into chrome/browser/ui.
 187   static int tab_scrub_activation_delay_in_ms_;
 188
 189   DISALLOW_COPY_AND_ASSIGN(GestureConfiguration);
 190 };
 191
 192 }  // namespace ui
 193
 194 #endif  // UI_EVENTS_GESTURES_GESTURE_CONFIGURATION_H_