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 float default_radius() {
  22     return default_radius_;
  23   }
  24   static void set_default_radius(float radius) {
  25     default_radius_ = radius;
  26   }
  27   static int fling_max_cancel_to_down_time_in_ms() {
  28     return fling_max_cancel_to_down_time_in_ms_;
  29   }
  30   static void set_fling_max_cancel_to_down_time_in_ms(int val) {
  31     fling_max_cancel_to_down_time_in_ms_ = val;
  32   }
  33   static int fling_max_tap_gap_time_in_ms() {
  34     return fling_max_tap_gap_time_in_ms_;
  35   }
  36   static void set_fling_max_tap_gap_time_in_ms(int val) {
  37     fling_max_tap_gap_time_in_ms_ = val;
  38   }
  39   static int long_press_time_in_ms() {
  40     return long_press_time_in_ms_;
  41   }
  42   static int semi_long_press_time_in_ms() {
  43     return semi_long_press_time_in_ms_;
  44   }
  45   static float max_distance_for_two_finger_tap_in_pixels() {
  46     return max_distance_for_two_finger_tap_in_pixels_;
  47   }
  48   static void set_max_distance_for_two_finger_tap_in_pixels(float val) {
  49     max_distance_for_two_finger_tap_in_pixels_ = val;
  50   }
  51   static void set_long_press_time_in_ms(int val) {
  52     long_press_time_in_ms_ = val;
  53   }
  54   static void set_semi_long_press_time_in_ms(int val) {
  55     semi_long_press_time_in_ms_ = val;
  56   }
  57   static int max_time_between_double_click_in_ms() {
  58     return max_time_between_double_click_in_ms_;
  59   }
  60   static void set_max_time_between_double_click_in_ms(int val) {
  61     max_time_between_double_click_in_ms_ = val;
  62   }
  63   static float max_separation_for_gesture_touches_in_pixels() {
  64     return max_separation_for_gesture_touches_in_pixels_;
  65   }
  66   static void set_max_separation_for_gesture_touches_in_pixels(float val) {
  67     max_separation_for_gesture_touches_in_pixels_ = val;
  68   }
  69   static float max_swipe_deviation_angle() {
  70     return max_swipe_deviation_angle_;
  71   }
  72   static void set_max_swipe_deviation_angle(float val) {
  73     max_swipe_deviation_angle_ = val;
  74   }
  75   static int max_touch_down_duration_for_click_in_ms() {
  76     return max_touch_down_duration_for_click_in_ms_;
  77   }
  78   static void set_max_touch_down_duration_for_click_in_ms(int val) {
  79     max_touch_down_duration_for_click_in_ms_ = val;
  80   }
  81   static float max_touch_move_in_pixels_for_click() {
  82     return max_touch_move_in_pixels_for_click_;
  83   }
  84   static void set_max_touch_move_in_pixels_for_click(float val) {
  85     max_touch_move_in_pixels_for_click_ = val;
  86   }
  87   static float max_distance_between_taps_for_double_tap() {
  88     return max_distance_between_taps_for_double_tap_;
  89   }
  90   static void set_max_distance_between_taps_for_double_tap(float val) {
  91     max_distance_between_taps_for_double_tap_ = val;
  92   }
  93   static float min_distance_for_pinch_scroll_in_pixels() {
  94     return min_distance_for_pinch_scroll_in_pixels_;
  95   }
  96   static void set_min_distance_for_pinch_scroll_in_pixels(float val) {
  97     min_distance_for_pinch_scroll_in_pixels_ = val;
  98   }
  99   static float min_pinch_update_distance_in_pixels() {
 100     return min_pinch_update_distance_in_pixels_;
 101   }
 102   static void set_min_pinch_update_distance_in_pixels(float val) {
 103     min_pinch_update_distance_in_pixels_ = val;
 104   }
 105   static float min_scroll_velocity() {
 106     return min_scroll_velocity_;
 107   }
 108   static void set_min_scroll_velocity(float val) {
 109     min_scroll_velocity_ = val;
 110   }
 111   static float min_swipe_speed() {
 112     return min_swipe_speed_;
 113   }
 114   static void set_min_swipe_speed(float val) {
 115     min_swipe_speed_ = val;
 116   }
 117   static float min_scaling_span_in_pixels() {
 118     return min_scaling_span_in_pixels_;
 119   };
 120   static void set_min_scaling_span_in_pixels(float val) {
 121     min_scaling_span_in_pixels_ = val;
 122   }
 123   static int show_press_delay_in_ms() {
 124     return show_press_delay_in_ms_;
 125   }
 126   static int set_show_press_delay_in_ms(int val) {
 127     return show_press_delay_in_ms_ = val;
 128   }
 129   static int scroll_debounce_interval_in_ms() {
 130     return scroll_debounce_interval_in_ms_;
 131   }
 132   static int set_scroll_debounce_interval_in_ms(int val) {
 133     return scroll_debounce_interval_in_ms_ = val;
 134   }
 135   static float fling_velocity_cap() {
 136     return fling_velocity_cap_;
 137   }
 138   static void set_fling_velocity_cap(float val) {
 139     fling_velocity_cap_ = val;
 140   }
 141   // TODO(davemoore): Move into chrome/browser/ui.
 142   static int tab_scrub_activation_delay_in_ms() {
 143     return tab_scrub_activation_delay_in_ms_;
 144   }
 145   static void set_tab_scrub_activation_delay_in_ms(int val) {
 146     tab_scrub_activation_delay_in_ms_ = val;
 147   }
 148
 149  private:
 150   // These are listed in alphabetical order ignoring underscores, to
 151   // align with the associated list of preferences in
 152   // gesture_prefs_aura.cc. These two lists should be kept in sync.
 153
 154   // The default touch radius length used when the only information given
 155   // by the device is the touch center.
 156   static float default_radius_;
 157
 158   // The maximum allowed distance between two fingers for a two finger tap. If
 159   // the distance between two fingers is greater than this value, we will not
 160   // recognize a two finger tap.
 161   static float max_distance_for_two_finger_tap_in_pixels_;
 162
 163   // Maximum time between a GestureFlingCancel and a mousedown such that the
 164   // mousedown is considered associated with the cancel event.
 165   static int fling_max_cancel_to_down_time_in_ms_;
 166
 167   // Maxium time between a mousedown/mouseup pair that is considered to be a
 168   // suppressable tap.
 169   static int fling_max_tap_gap_time_in_ms_;
 170
 171   static int long_press_time_in_ms_;
 172   static int semi_long_press_time_in_ms_;
 173   static int max_time_between_double_click_in_ms_;
 174   static float max_separation_for_gesture_touches_in_pixels_;
 175   static float max_swipe_deviation_angle_;
 176   static int max_touch_down_duration_for_click_in_ms_;
 177   static float max_touch_move_in_pixels_for_click_;
 178   static float max_distance_between_taps_for_double_tap_;
 179   static float min_distance_for_pinch_scroll_in_pixels_;
 180   // Only used with --compensate-for-unstable-pinch-zoom.
 181   static float min_pinch_update_distance_in_pixels_;
 182   static float min_scroll_velocity_;
 183   static float min_swipe_speed_;
 184   static float min_scaling_span_in_pixels_;
 185   static int show_press_delay_in_ms_;
 186   static int scroll_debounce_interval_in_ms_;
 187   static float fling_velocity_cap_;
 188   // TODO(davemoore): Move into chrome/browser/ui.
 189   static int tab_scrub_activation_delay_in_ms_;
 190
 191   DISALLOW_COPY_AND_ASSIGN(GestureConfiguration);
 192 };
 193
 194 }  // namespace ui
 195
 196 #endif  // UI_EVENTS_GESTURES_GESTURE_CONFIGURATION_H_