ash/wm/workspace/workspace_cycler_configuration.cc

   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 #include "ash/wm/workspace/workspace_cycler_configuration.h"
   6
   7 #include "ash/ash_switches.h"
   8 #include "base/command_line.h"
   9 #include "base/logging.h"
  10 #include "base/values.h"
  11
  12 namespace {
  13
  14 ListValue* g_shallower_than_selected_y_offsets = NULL;
  15 ListValue* g_deeper_than_selected_y_offsets = NULL;
  16 double g_selected_y_offset = 40;
  17 double g_selected_scale = 1.0;
  18 double g_min_scale = 1.0;
  19 double g_max_scale = 1.0;
  20 double g_min_brightness = -0.4;
  21 double g_background_opacity = 0.8;
  22 double g_desktop_workspace_brightness = -0.4;
  23 double g_distance_to_initiate_cycling = 4.0;
  24 double g_scroll_amount_to_cycle_to_next_workspace = 4.0;
  25 double g_cycler_step_animation_duration_ratio = 4.0;
  26 double g_start_cycler_animation_duration = 100.0;
  27 double g_stop_cycler_animation_duration = 250.0;
  28
  29 }  // namespace
  30
  31 namespace ash {
  32
  33 // static
  34 bool WorkspaceCyclerConfiguration::IsCyclerEnabled() {
  35   return CommandLine::ForCurrentProcess()->HasSwitch(
  36       ash::switches::kAshEnableWorkspaceScrubbing);
  37 }
  38
  39 // static
  40 bool WorkspaceCyclerConfiguration::IsListProperty(Property property) {
  41   return (property == SHALLOWER_THAN_SELECTED_Y_OFFSETS ||
  42           property == DEEPER_THAN_SELECTED_Y_OFFSETS);
  43 }
  44
  45 // static
  46 void WorkspaceCyclerConfiguration::SetListValue(Property property,
  47                                                 const ListValue& list_value) {
  48   DCHECK(IsListProperty(property));
  49   if (property == SHALLOWER_THAN_SELECTED_Y_OFFSETS)
  50     g_shallower_than_selected_y_offsets = list_value.DeepCopy();
  51   else if (property == DEEPER_THAN_SELECTED_Y_OFFSETS)
  52     g_deeper_than_selected_y_offsets = list_value.DeepCopy();
  53 }
  54
  55 // static
  56 void WorkspaceCyclerConfiguration::SetDouble(Property property, double value) {
  57   switch (property) {
  58     case SHALLOWER_THAN_SELECTED_Y_OFFSETS:
  59     case DEEPER_THAN_SELECTED_Y_OFFSETS:
  60       NOTREACHED();
  61       break;
  62     case SELECTED_Y_OFFSET:
  63       g_selected_y_offset = value;
  64       break;
  65     case SELECTED_SCALE:
  66       g_selected_scale = value;
  67       break;
  68     case MIN_SCALE:
  69       g_min_scale = value;
  70       break;
  71     case MAX_SCALE:
  72       g_max_scale = value;
  73       break;
  74     case MIN_BRIGHTNESS:
  75       g_min_brightness = value;
  76       break;
  77     case BACKGROUND_OPACITY:
  78       g_background_opacity = value;
  79       break;
  80     case DESKTOP_WORKSPACE_BRIGHTNESS:
  81       g_desktop_workspace_brightness = value;
  82       break;
  83     case DISTANCE_TO_INITIATE_CYCLING:
  84       g_distance_to_initiate_cycling = value;
  85       break;
  86     case SCROLL_DISTANCE_TO_CYCLE_TO_NEXT_WORKSPACE:
  87       g_scroll_amount_to_cycle_to_next_workspace = value;
  88       break;
  89     case CYCLER_STEP_ANIMATION_DURATION_RATIO:
  90       g_cycler_step_animation_duration_ratio = value;
  91       break;
  92     case START_CYCLER_ANIMATION_DURATION:
  93       g_start_cycler_animation_duration = value;
  94       break;
  95     case STOP_CYCLER_ANIMATION_DURATION:
  96       g_stop_cycler_animation_duration = value;
  97       break;
  98   }
  99 }
 100
 101 // static
 102 const ListValue& WorkspaceCyclerConfiguration::GetListValue(Property property) {
 103   DCHECK(IsListProperty(property));
 104   if (property == SHALLOWER_THAN_SELECTED_Y_OFFSETS) {
 105     if (!g_shallower_than_selected_y_offsets) {
 106       // First time the property is accessed. Initialize it to the default
 107       // value.
 108       g_shallower_than_selected_y_offsets = new base::ListValue();
 109       g_shallower_than_selected_y_offsets->AppendDouble(-40);
 110       g_shallower_than_selected_y_offsets->AppendDouble(-32);
 111       g_shallower_than_selected_y_offsets->AppendDouble(-20);
 112     }
 113     return *g_shallower_than_selected_y_offsets;
 114   } else if (property == DEEPER_THAN_SELECTED_Y_OFFSETS) {
 115     if (!g_deeper_than_selected_y_offsets) {
 116       // First time the property is accessed. Initialize it to the default
 117       // value.
 118       g_deeper_than_selected_y_offsets = new base::ListValue();
 119       g_deeper_than_selected_y_offsets->AppendDouble(28);
 120       g_deeper_than_selected_y_offsets->AppendDouble(20);
 121     }
 122     return *g_deeper_than_selected_y_offsets;
 123   }
 124
 125   NOTREACHED();
 126   CR_DEFINE_STATIC_LOCAL(base::ListValue, default_return_value, ());
 127   return default_return_value;
 128 }
 129
 130 // static
 131 double WorkspaceCyclerConfiguration::GetDouble(Property property) {
 132   switch (property) {
 133     case SHALLOWER_THAN_SELECTED_Y_OFFSETS:
 134     case DEEPER_THAN_SELECTED_Y_OFFSETS:
 135       NOTREACHED();
 136       return 0;
 137     case SELECTED_Y_OFFSET:
 138       return g_selected_y_offset;
 139     case SELECTED_SCALE:
 140       return g_selected_scale;
 141     case MIN_SCALE:
 142       return g_min_scale;
 143     case MAX_SCALE:
 144       return g_max_scale;
 145     case MIN_BRIGHTNESS:
 146       return g_min_brightness;
 147     case BACKGROUND_OPACITY:
 148       return g_background_opacity;
 149     case DESKTOP_WORKSPACE_BRIGHTNESS:
 150       return g_desktop_workspace_brightness;
 151     case DISTANCE_TO_INITIATE_CYCLING:
 152       return g_distance_to_initiate_cycling;
 153     case SCROLL_DISTANCE_TO_CYCLE_TO_NEXT_WORKSPACE:
 154       return g_scroll_amount_to_cycle_to_next_workspace;
 155     case CYCLER_STEP_ANIMATION_DURATION_RATIO:
 156       return g_cycler_step_animation_duration_ratio;
 157     case START_CYCLER_ANIMATION_DURATION:
 158       return g_start_cycler_animation_duration;
 159     case STOP_CYCLER_ANIMATION_DURATION:
 160       return g_stop_cycler_animation_duration;
 161   }
 162   NOTREACHED();
 163   return 0;
 164 }
 165
 166 }  // namespace ash