ash/accelerators/accelerator_table.cc

   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 "ash/accelerators/accelerator_table.h"
   6
   7 #include "ash/strings/grit/ash_strings.h"
   8 #include "base/basictypes.h"
   9
  10 namespace ash {
  11
  12 const AcceleratorData kAcceleratorData[] = {
  13   // We have to define 3 entries for Shift+Alt. VKEY_[LR]MENU might be sent to
  14   // the accelerator controller when RenderWidgetHostViewAura is focused, and
  15   // VKEY_MENU might be when it's not (e.g. when NativeWidgetAura is focused).
  16   { false, ui::VKEY_LMENU, ui::EF_SHIFT_DOWN, NEXT_IME },
  17   { false, ui::VKEY_MENU, ui::EF_SHIFT_DOWN, NEXT_IME },
  18   { false, ui::VKEY_RMENU, ui::EF_SHIFT_DOWN, NEXT_IME },
  19   // The same is true for Alt+Shift.
  20   { false, ui::VKEY_LSHIFT, ui::EF_ALT_DOWN, NEXT_IME },
  21   { false, ui::VKEY_SHIFT, ui::EF_ALT_DOWN, NEXT_IME },
  22   { false, ui::VKEY_RSHIFT, ui::EF_ALT_DOWN, NEXT_IME },
  23   { true, ui::VKEY_SPACE, ui::EF_CONTROL_DOWN, PREVIOUS_IME },
  24   { false, ui::VKEY_SPACE, ui::EF_CONTROL_DOWN, PREVIOUS_IME },
  25   // Shortcuts for Japanese IME.
  26   { true, ui::VKEY_CONVERT, ui::EF_NONE, SWITCH_IME },
  27   { true, ui::VKEY_NONCONVERT, ui::EF_NONE, SWITCH_IME },
  28   { true, ui::VKEY_DBE_SBCSCHAR, ui::EF_NONE, SWITCH_IME },
  29   { true, ui::VKEY_DBE_DBCSCHAR, ui::EF_NONE, SWITCH_IME },
  30   // Shortcut for Koren IME.
  31   { true, ui::VKEY_HANGUL, ui::EF_NONE, SWITCH_IME },
  32
  33   { true, ui::VKEY_TAB, ui::EF_ALT_DOWN, CYCLE_FORWARD_MRU },
  34   { true, ui::VKEY_TAB, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN,
  35     CYCLE_BACKWARD_MRU },
  36   { true, ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_NONE, TOGGLE_OVERVIEW },
  37 #if defined(OS_CHROMEOS)
  38   { true, ui::VKEY_BROWSER_SEARCH, ui::EF_NONE, TOGGLE_APP_LIST },
  39   { true, ui::VKEY_WLAN, ui::EF_NONE, TOGGLE_WIFI },
  40   { true, ui::VKEY_KBD_BRIGHTNESS_DOWN, ui::EF_NONE, KEYBOARD_BRIGHTNESS_DOWN },
  41   { true, ui::VKEY_KBD_BRIGHTNESS_UP, ui::EF_NONE, KEYBOARD_BRIGHTNESS_UP },
  42   // Maximize button.
  43   { true, ui::VKEY_MEDIA_LAUNCH_APP2, ui::EF_CONTROL_DOWN, TOGGLE_MIRROR_MODE },
  44   { true, ui::VKEY_MEDIA_LAUNCH_APP2, ui::EF_ALT_DOWN, SWAP_PRIMARY_DISPLAY },
  45   // Cycle windows button.
  46   { true, ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_CONTROL_DOWN, TAKE_SCREENSHOT },
  47   { true, ui::VKEY_MEDIA_LAUNCH_APP1, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
  48     TAKE_PARTIAL_SCREENSHOT },
  49   { true, ui::VKEY_BRIGHTNESS_DOWN, ui::EF_NONE, BRIGHTNESS_DOWN },
  50   { true, ui::VKEY_BRIGHTNESS_DOWN, ui::EF_ALT_DOWN, KEYBOARD_BRIGHTNESS_DOWN },
  51   { true, ui::VKEY_BRIGHTNESS_UP, ui::EF_NONE, BRIGHTNESS_UP },
  52   { true, ui::VKEY_BRIGHTNESS_UP, ui::EF_ALT_DOWN, KEYBOARD_BRIGHTNESS_UP },
  53   { true, ui::VKEY_BRIGHTNESS_DOWN, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  54     MAGNIFY_SCREEN_ZOOM_OUT},
  55   { true, ui::VKEY_BRIGHTNESS_UP, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  56     MAGNIFY_SCREEN_ZOOM_IN},
  57   { true, ui::VKEY_L, ui::EF_COMMAND_DOWN, LOCK_SCREEN },
  58   // The lock key on Chrome OS keyboards produces F13 scancodes.
  59   { true, ui::VKEY_F13, ui::EF_NONE, LOCK_PRESSED },
  60   { false, ui::VKEY_F13, ui::EF_NONE, LOCK_RELEASED },
  61   // Generic keyboards can use VKEY_SLEEP to mimic ChromeOS keyboard's lock key.
  62   { true, ui::VKEY_SLEEP, ui::EF_NONE, LOCK_PRESSED },
  63   { false, ui::VKEY_SLEEP, ui::EF_NONE, LOCK_RELEASED },
  64   { true, ui::VKEY_POWER, ui::EF_NONE, POWER_PRESSED },
  65   { false, ui::VKEY_POWER, ui::EF_NONE, POWER_RELEASED },
  66   { true, ui::VKEY_M, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN,
  67     OPEN_FILE_MANAGER },
  68   { true, ui::VKEY_OEM_2, ui::EF_CONTROL_DOWN, OPEN_GET_HELP },
  69   { true, ui::VKEY_OEM_2, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
  70     OPEN_GET_HELP },
  71   { true, ui::VKEY_T, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN, OPEN_CROSH },
  72   { true, ui::VKEY_G, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  73     DISABLE_GPU_WATCHDOG },
  74   { true, ui::VKEY_I, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  75     TOUCH_HUD_MODE_CHANGE },
  76   { true, ui::VKEY_I, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN,
  77     TOUCH_HUD_CLEAR },
  78   { true, ui::VKEY_P, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  79     TOUCH_HUD_PROJECTION_TOGGLE },
  80   // Accessibility: Spoken feedback shortcuts. The first one is to toggle
  81   // spoken feedback on or off. The others are only valid when
  82   // spoken feedback is enabled.
  83   { true, ui::VKEY_Z, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  84     TOGGLE_SPOKEN_FEEDBACK },
  85   { true, ui::VKEY_CONTROL, ui::EF_CONTROL_DOWN, SILENCE_SPOKEN_FEEDBACK},
  86   { true, ui::VKEY_LCONTROL, ui::EF_CONTROL_DOWN, SILENCE_SPOKEN_FEEDBACK},
  87   { true, ui::VKEY_RCONTROL, ui::EF_CONTROL_DOWN, SILENCE_SPOKEN_FEEDBACK},
  88   { true, ui::VKEY_OEM_COMMA, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  89     SWITCH_TO_PREVIOUS_USER },
  90   { true, ui::VKEY_OEM_PERIOD, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
  91     SWITCH_TO_NEXT_USER },
  92   // Turning the TouchView maximizing mode on via hotkey for the time being.
  93   // TODO(skuhne): Remove once the test isn't needed anymore.
  94   { true, ui::VKEY_8, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN,
  95     TOGGLE_TOUCH_VIEW_TESTING },
  96   // Single shift release turns off caps lock.
  97   { false, ui::VKEY_LSHIFT, ui::EF_NONE, DISABLE_CAPS_LOCK },
  98   { false, ui::VKEY_SHIFT, ui::EF_NONE, DISABLE_CAPS_LOCK },
  99   { false, ui::VKEY_RSHIFT, ui::EF_NONE, DISABLE_CAPS_LOCK },
 100   { false, ui::VKEY_LWIN, ui::EF_ALT_DOWN, TOGGLE_CAPS_LOCK },
 101   { true, ui::VKEY_VOLUME_MUTE, ui::EF_NONE, VOLUME_MUTE },
 102   { true, ui::VKEY_VOLUME_DOWN, ui::EF_NONE, VOLUME_DOWN },
 103   { true, ui::VKEY_VOLUME_UP, ui::EF_NONE, VOLUME_UP },
 104   { true, ui::VKEY_ESCAPE, ui::EF_COMMAND_DOWN, SHOW_TASK_MANAGER },
 105 #else
 106   // This key has been deprecated on CrOS. It is instead included below in the
 107   // |kDeprecatedAccelerators|, and above in the CrOS accelerators as
 108   // Search+Esc.
 109   { true, ui::VKEY_ESCAPE, ui::EF_SHIFT_DOWN, SHOW_TASK_MANAGER },
 110 #endif  // defined(OS_CHROMEOS)
 111   { true, ui::VKEY_I, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN, OPEN_FEEDBACK_PAGE },
 112 #if !defined(OS_WIN)
 113   { true, ui::VKEY_Q, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, EXIT },
 114 #endif
 115   { true, ui::VKEY_N, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
 116     NEW_INCOGNITO_WINDOW },
 117   { true, ui::VKEY_N, ui::EF_CONTROL_DOWN, NEW_WINDOW },
 118   { true, ui::VKEY_T, ui::EF_CONTROL_DOWN, NEW_TAB },
 119   { true, ui::VKEY_OEM_MINUS,
 120     ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN, SCALE_UI_UP },
 121   { true, ui::VKEY_OEM_PLUS,
 122     ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN, SCALE_UI_DOWN },
 123   { true, ui::VKEY_0,
 124     ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN, SCALE_UI_RESET },
 125   { true, ui::VKEY_BROWSER_REFRESH,
 126     ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN, ROTATE_SCREEN },
 127   { true, ui::VKEY_BROWSER_REFRESH,
 128     ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 129     ROTATE_WINDOW },
 130   { true, ui::VKEY_T, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, RESTORE_TAB },
 131   { true, ui::VKEY_PRINT, ui::EF_NONE, TAKE_SCREENSHOT },
 132   // On Chrome OS, Search key is mapped to LWIN. The Search key binding should
 133   // act on release instead of press when using Search as a modifier key for
 134   // extended keyboard shortcuts.
 135   { false, ui::VKEY_LWIN, ui::EF_NONE, TOGGLE_APP_LIST },
 136   { true, ui::VKEY_MEDIA_LAUNCH_APP2, ui::EF_NONE, TOGGLE_FULLSCREEN },
 137   { true, ui::VKEY_MEDIA_LAUNCH_APP2, ui::EF_SHIFT_DOWN, TOGGLE_FULLSCREEN },
 138   { true, ui::VKEY_L, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN, FOCUS_SHELF },
 139   { true, ui::VKEY_HELP, ui::EF_NONE, SHOW_KEYBOARD_OVERLAY },
 140   { true, ui::VKEY_OEM_2, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 141     SHOW_KEYBOARD_OVERLAY },
 142   { true, ui::VKEY_OEM_2,
 143     ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 144     SHOW_KEYBOARD_OVERLAY },
 145   { true, ui::VKEY_F14, ui::EF_NONE, SHOW_KEYBOARD_OVERLAY },
 146   { true, ui::VKEY_N, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN,
 147     SHOW_MESSAGE_CENTER_BUBBLE },
 148   { true, ui::VKEY_S, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN,
 149     SHOW_SYSTEM_TRAY_BUBBLE },
 150   { true, ui::VKEY_1, ui::EF_ALT_DOWN, LAUNCH_APP_0 },
 151   { true, ui::VKEY_2, ui::EF_ALT_DOWN, LAUNCH_APP_1 },
 152   { true, ui::VKEY_3, ui::EF_ALT_DOWN, LAUNCH_APP_2 },
 153   { true, ui::VKEY_4, ui::EF_ALT_DOWN, LAUNCH_APP_3 },
 154   { true, ui::VKEY_5, ui::EF_ALT_DOWN, LAUNCH_APP_4 },
 155   { true, ui::VKEY_6, ui::EF_ALT_DOWN, LAUNCH_APP_5 },
 156   { true, ui::VKEY_7, ui::EF_ALT_DOWN, LAUNCH_APP_6 },
 157   { true, ui::VKEY_8, ui::EF_ALT_DOWN, LAUNCH_APP_7 },
 158   { true, ui::VKEY_9, ui::EF_ALT_DOWN, LAUNCH_LAST_APP },
 159
 160   // Window management shortcuts.
 161   { true, ui::VKEY_OEM_4, ui::EF_ALT_DOWN, WINDOW_CYCLE_SNAP_DOCK_LEFT },
 162   { true, ui::VKEY_OEM_6, ui::EF_ALT_DOWN, WINDOW_CYCLE_SNAP_DOCK_RIGHT },
 163   { true, ui::VKEY_OEM_MINUS, ui::EF_ALT_DOWN, WINDOW_MINIMIZE },
 164   { true, ui::VKEY_OEM_PLUS, ui::EF_ALT_DOWN, TOGGLE_MAXIMIZED },
 165   { true, ui::VKEY_OEM_PLUS, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN,
 166     WINDOW_POSITION_CENTER },
 167   { true, ui::VKEY_BROWSER_FORWARD, ui::EF_CONTROL_DOWN, FOCUS_NEXT_PANE },
 168   { true, ui::VKEY_BROWSER_BACK, ui::EF_CONTROL_DOWN, FOCUS_PREVIOUS_PANE },
 169
 170   // Media Player shortcuts.
 171   { true, ui::VKEY_MEDIA_NEXT_TRACK, ui::EF_NONE, MEDIA_NEXT_TRACK},
 172   { true, ui::VKEY_MEDIA_PLAY_PAUSE, ui::EF_NONE, MEDIA_PLAY_PAUSE},
 173   { true, ui::VKEY_MEDIA_PREV_TRACK, ui::EF_NONE, MEDIA_PREV_TRACK},
 174
 175   // Debugging shortcuts that need to be available to end-users in
 176   // release builds.
 177   { true, ui::VKEY_U, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN,
 178     PRINT_UI_HIERARCHIES },
 179
 180   // TODO(yusukes): Handle VKEY_MEDIA_STOP, and
 181   // VKEY_MEDIA_LAUNCH_MAIL.
 182 };
 183
 184 const size_t kAcceleratorDataLength = arraysize(kAcceleratorData);
 185
 186 // Instructions for how to deprecate and replace an Accelerator:
 187 //
 188 // 1- Replace the old deprecated accelerator from the above list with the new
 189 //    accelerator that will take its place.
 190 // 2- Add an entry for it in the following |kDeprecatedAccelerators| list.
 191 // 3- That entry should contain the following:
 192 //    - The deprecated accelerator data you removed from above.
 193 //    - Define a histogram for this action in |histograms.xml| in the form
 194 //      "Ash.Accelerators.Deprecated.{ActionName}" and include the name of this
 195 //      histogram in this entry. This name will be used as the ID of the
 196 //      notification to be shown to the user. This is to prevent duplication of
 197 //      same notification.
 198 //    - The ID of the localized notification message to give the users telling
 199 //      them about the deprecation (Add one in |ash_chromeos_strings.grdp|.
 200 //      Search for the comment <!-- Deprecated Accelerators Messages -->).
 201 //    - {true or false} whether the deprecated accelerator is still enabled (we
 202 //      don't disable a deprecated accelerator abruptly).
 203 // 4- Don't forget to update the keyboard overlay.
 204 #if defined(OS_CHROMEOS)
 205
 206 const DeprecatedAcceleratorData kDeprecatedAccelerators[] = {
 207   {
 208     { true, ui::VKEY_L, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, LOCK_SCREEN },
 209     "Ash.Accelerators.Deprecated.LockScreen",
 210     IDS_DEPRECATED_LOCK_SCREEN_MSG,
 211     true
 212   },
 213   {
 214     { true, ui::VKEY_ESCAPE, ui::EF_SHIFT_DOWN, SHOW_TASK_MANAGER },
 215     "Ash.Accelerators.Deprecated.ShowTaskManager",
 216     IDS_DEPRECATED_SHOW_TASK_MANAGER_MSG,
 217     true
 218   },
 219 };
 220
 221 const size_t kDeprecatedAcceleratorsLength = arraysize(kDeprecatedAccelerators);
 222
 223 #endif  // defined(OS_CHROMEOS)
 224
 225 const AcceleratorData kDebugAcceleratorData[] = {
 226 #if defined(OS_CHROMEOS)
 227     // Extra shortcut for debug build to control magnifier on linux desktop.
 228     {true, ui::VKEY_BRIGHTNESS_DOWN, ui::EF_CONTROL_DOWN,
 229      MAGNIFY_SCREEN_ZOOM_OUT},
 230     {true, ui::VKEY_BRIGHTNESS_UP, ui::EF_CONTROL_DOWN, MAGNIFY_SCREEN_ZOOM_IN},
 231     // Extra shortcuts to lock the screen on linux desktop.
 232     {true, ui::VKEY_L, ui::EF_ALT_DOWN, LOCK_SCREEN},
 233     {true, ui::VKEY_POWER, ui::EF_SHIFT_DOWN, LOCK_PRESSED},
 234     {false, ui::VKEY_POWER, ui::EF_SHIFT_DOWN, LOCK_RELEASED},
 235     {true, ui::VKEY_D, ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN,
 236      DEBUG_ADD_REMOVE_DISPLAY},
 237     {true, ui::VKEY_J, ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN,
 238      DEBUG_TOGGLE_UNIFIED_DESKTOP},
 239     {true, ui::VKEY_M, ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN,
 240      TOGGLE_MIRROR_MODE},
 241     {true, ui::VKEY_W, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN, TOGGLE_WIFI},
 242     // Extra shortcut for display swapping as alt-f4 is taken on linux desktop.
 243     {true, ui::VKEY_S, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
 244      SWAP_PRIMARY_DISPLAY},
 245 #endif
 246     // Extra shortcut to rotate/scale up/down the screen on linux desktop.
 247     {true, ui::VKEY_R,
 248      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN, ROTATE_SCREEN},
 249     // For testing on systems where Alt-Tab is already mapped.
 250     {true, ui::VKEY_W, ui::EF_ALT_DOWN, CYCLE_FORWARD_MRU},
 251     {true, ui::VKEY_F11, ui::EF_CONTROL_DOWN,
 252      DEBUG_TOGGLE_ROOT_WINDOW_FULL_SCREEN},
 253     {true, ui::VKEY_W, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN, CYCLE_BACKWARD_MRU},
 254     {true, ui::VKEY_B, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 255      DEBUG_TOGGLE_DESKTOP_BACKGROUND_MODE},
 256     {true, ui::VKEY_F, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
 257      TOGGLE_FULLSCREEN},
 258     {true, ui::VKEY_L,
 259      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 260      DEBUG_PRINT_LAYER_HIERARCHY},
 261     {true, ui::VKEY_V,
 262      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 263      DEBUG_PRINT_VIEW_HIERARCHY},
 264     {true, ui::VKEY_W,
 265      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 266      DEBUG_PRINT_WINDOW_HIERARCHY},
 267     {true, ui::VKEY_S,
 268      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 269      DEBUG_TOGGLE_DEVICE_SCALE_FACTOR},
 270     {true, ui::VKEY_B,
 271      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 272      DEBUG_TOGGLE_SHOW_DEBUG_BORDERS},
 273     {true, ui::VKEY_F,
 274      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 275      DEBUG_TOGGLE_SHOW_FPS_COUNTER},
 276     {true, ui::VKEY_P,
 277      ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
 278      DEBUG_TOGGLE_SHOW_PAINT_RECTS},
 279 };
 280
 281 const size_t kDebugAcceleratorDataLength = arraysize(kDebugAcceleratorData);
 282
 283 const AcceleratorAction kPreferredActions[] = {
 284   // Window cycling accelerators.
 285   CYCLE_BACKWARD_MRU,  // Shift+Alt+Tab
 286   CYCLE_FORWARD_MRU,  // Alt+Tab
 287 };
 288
 289 const size_t kPreferredActionsLength = arraysize(kPreferredActions);
 290
 291 const AcceleratorAction kReservedActions[] = {
 292 #if defined(OS_CHROMEOS)
 293   POWER_PRESSED,
 294   POWER_RELEASED,
 295 #else
 296   DUMMY_FOR_RESERVED,
 297 #endif
 298 };
 299
 300 const size_t kReservedActionsLength = arraysize(kReservedActions);
 301
 302 const AcceleratorAction kActionsAllowedAtLoginOrLockScreen[] = {
 303   DEBUG_PRINT_LAYER_HIERARCHY,
 304   DEBUG_PRINT_VIEW_HIERARCHY,
 305   DEBUG_PRINT_WINDOW_HIERARCHY,
 306   MAGNIFY_SCREEN_ZOOM_IN,  // Control+F7
 307   MAGNIFY_SCREEN_ZOOM_OUT,  // Control+F6
 308   NEXT_IME,
 309   PREVIOUS_IME,
 310   PRINT_UI_HIERARCHIES,
 311   ROTATE_SCREEN,
 312   SCALE_UI_UP,
 313   SCALE_UI_DOWN,
 314   SCALE_UI_RESET,
 315   SHOW_SYSTEM_TRAY_BUBBLE,
 316   SWITCH_IME,  // Switch to another IME depending on the accelerator.
 317   TAKE_PARTIAL_SCREENSHOT,
 318   TAKE_SCREENSHOT,
 319 #if defined(OS_CHROMEOS)
 320   BRIGHTNESS_DOWN,
 321   BRIGHTNESS_UP,
 322   DEBUG_ADD_REMOVE_DISPLAY,
 323   DISABLE_CAPS_LOCK,
 324   DISABLE_GPU_WATCHDOG,
 325   KEYBOARD_BRIGHTNESS_DOWN,
 326   KEYBOARD_BRIGHTNESS_UP,
 327   TOGGLE_CAPS_LOCK,
 328   TOGGLE_SPOKEN_FEEDBACK,
 329   TOGGLE_TOUCH_VIEW_TESTING,
 330   TOGGLE_MIRROR_MODE,
 331   TOGGLE_WIFI,
 332   TOUCH_HUD_CLEAR,
 333   VOLUME_DOWN,
 334   VOLUME_MUTE,
 335   VOLUME_UP,
 336 #endif
 337 #if defined(OS_CHROMEOS) && !defined(NDEBUG)
 338   POWER_PRESSED,
 339   POWER_RELEASED,
 340 #endif  // defined(OS_CHROMEOS)
 341 };
 342
 343 const size_t kActionsAllowedAtLoginOrLockScreenLength =
 344     arraysize(kActionsAllowedAtLoginOrLockScreen);
 345
 346 const AcceleratorAction kActionsAllowedAtLockScreen[] = {
 347   EXIT,
 348 };
 349
 350 const size_t kActionsAllowedAtLockScreenLength =
 351     arraysize(kActionsAllowedAtLockScreen);
 352
 353 const AcceleratorAction kActionsAllowedAtModalWindow[] = {
 354   EXIT,
 355   MAGNIFY_SCREEN_ZOOM_IN,
 356   MAGNIFY_SCREEN_ZOOM_OUT,
 357   MEDIA_NEXT_TRACK,
 358   MEDIA_PLAY_PAUSE,
 359   MEDIA_PREV_TRACK,
 360   NEXT_IME,
 361   OPEN_FEEDBACK_PAGE,
 362   PREVIOUS_IME,
 363   PRINT_UI_HIERARCHIES,
 364   ROTATE_SCREEN,
 365   SCALE_UI_UP,
 366   SCALE_UI_DOWN,
 367   SCALE_UI_RESET,
 368   SHOW_KEYBOARD_OVERLAY,
 369   SWITCH_IME,
 370   TAKE_PARTIAL_SCREENSHOT,
 371   TAKE_SCREENSHOT,
 372 #if defined(OS_CHROMEOS)
 373   BRIGHTNESS_DOWN,
 374   BRIGHTNESS_UP,
 375   DEBUG_ADD_REMOVE_DISPLAY,
 376   DISABLE_CAPS_LOCK,
 377   KEYBOARD_BRIGHTNESS_DOWN,
 378   KEYBOARD_BRIGHTNESS_UP,
 379   LOCK_SCREEN,
 380   POWER_PRESSED,
 381   POWER_RELEASED,
 382   SWAP_PRIMARY_DISPLAY,
 383   TOGGLE_CAPS_LOCK,
 384   TOGGLE_MIRROR_MODE,
 385   TOGGLE_SPOKEN_FEEDBACK,
 386   TOGGLE_WIFI,
 387   VOLUME_DOWN,
 388   VOLUME_MUTE,
 389   VOLUME_UP,
 390 #endif
 391 };
 392
 393 const size_t kActionsAllowedAtModalWindowLength =
 394     arraysize(kActionsAllowedAtModalWindow);
 395
 396 const AcceleratorAction kNonrepeatableActions[] = {
 397     // TODO(mazda): Add other actions which should not be repeated.
 398     CYCLE_BACKWARD_MRU,
 399     CYCLE_FORWARD_MRU,
 400     TOGGLE_OVERVIEW,
 401     EXIT,
 402     PRINT_UI_HIERARCHIES,  // Don't fill the logs if the key is held down.
 403     ROTATE_SCREEN,
 404     ROTATE_WINDOW,
 405     SCALE_UI_UP,
 406     SCALE_UI_DOWN,
 407     SCALE_UI_RESET,
 408     TAKE_PARTIAL_SCREENSHOT,
 409     TAKE_SCREENSHOT,
 410     TOGGLE_FULLSCREEN,
 411     TOGGLE_MAXIMIZED,
 412     WINDOW_MINIMIZE,
 413 #if defined(OS_CHROMEOS)
 414     LOCK_SCREEN,
 415 #endif
 416 };
 417
 418 const size_t kNonrepeatableActionsLength =
 419     arraysize(kNonrepeatableActions);
 420
 421 const AcceleratorAction kActionsAllowedInAppMode[] = {
 422   DEBUG_PRINT_LAYER_HIERARCHY,
 423   DEBUG_PRINT_VIEW_HIERARCHY,
 424   DEBUG_PRINT_WINDOW_HIERARCHY,
 425   MAGNIFY_SCREEN_ZOOM_IN,  // Control+F7
 426   MAGNIFY_SCREEN_ZOOM_OUT,  // Control+F6
 427   MEDIA_NEXT_TRACK,
 428   MEDIA_PLAY_PAUSE,
 429   MEDIA_PREV_TRACK,
 430   NEXT_IME,
 431   PREVIOUS_IME,
 432   PRINT_UI_HIERARCHIES,
 433   ROTATE_SCREEN,
 434   SCALE_UI_DOWN,
 435   SCALE_UI_RESET,
 436   SCALE_UI_UP,
 437   SWITCH_IME,  // Switch to another IME depending on the accelerator.
 438 #if defined(OS_CHROMEOS)
 439   BRIGHTNESS_DOWN,
 440   BRIGHTNESS_UP,
 441   DEBUG_ADD_REMOVE_DISPLAY,
 442   DISABLE_CAPS_LOCK,
 443   DISABLE_GPU_WATCHDOG,
 444   KEYBOARD_BRIGHTNESS_DOWN,
 445   KEYBOARD_BRIGHTNESS_UP,
 446   POWER_PRESSED,
 447   POWER_RELEASED,
 448   SWAP_PRIMARY_DISPLAY,
 449   TOGGLE_CAPS_LOCK,
 450   TOGGLE_MIRROR_MODE,
 451   TOGGLE_SPOKEN_FEEDBACK,
 452   TOGGLE_WIFI,
 453   TOUCH_HUD_CLEAR,
 454   VOLUME_DOWN,
 455   VOLUME_MUTE,
 456   VOLUME_UP,
 457 #endif  // defined(OS_CHROMEOS)
 458 };
 459
 460 const size_t kActionsAllowedInAppModeLength =
 461     arraysize(kActionsAllowedInAppMode);
 462
 463 const AcceleratorAction kActionsNeedingWindow[] = {
 464     CYCLE_BACKWARD_MRU,
 465     CYCLE_FORWARD_MRU,
 466     TOGGLE_OVERVIEW,
 467     WINDOW_CYCLE_SNAP_DOCK_LEFT,
 468     WINDOW_CYCLE_SNAP_DOCK_RIGHT,
 469     WINDOW_MINIMIZE,
 470     TOGGLE_FULLSCREEN,
 471     TOGGLE_MAXIMIZED,
 472     WINDOW_POSITION_CENTER,
 473     ROTATE_WINDOW,
 474 };
 475
 476 const size_t kActionsNeedingWindowLength = arraysize(kActionsNeedingWindow);
 477
 478 const AcceleratorAction kActionsKeepingMenuOpen[] = {
 479     MEDIA_NEXT_TRACK,
 480     MEDIA_PLAY_PAUSE,
 481     MEDIA_PREV_TRACK,
 482     NEXT_IME,
 483     PREVIOUS_IME,
 484     PRINT_UI_HIERARCHIES,
 485     SWITCH_IME,
 486     TAKE_PARTIAL_SCREENSHOT,
 487     TAKE_SCREENSHOT,
 488 #if defined(OS_CHROMEOS)
 489     BRIGHTNESS_DOWN,
 490     BRIGHTNESS_UP,
 491     DISABLE_CAPS_LOCK,
 492     KEYBOARD_BRIGHTNESS_DOWN,
 493     KEYBOARD_BRIGHTNESS_UP,
 494     SILENCE_SPOKEN_FEEDBACK,
 495     TOGGLE_CAPS_LOCK,
 496     TOGGLE_SPOKEN_FEEDBACK,
 497     TOGGLE_WIFI,
 498     VOLUME_DOWN,
 499     VOLUME_MUTE,
 500     VOLUME_UP,
 501 #endif  // defined(OS_CHROMEOS)
 502 };
 503
 504 const size_t kActionsKeepingMenuOpenLength = arraysize(kActionsKeepingMenuOpen);
 505
 506 }  // namespace ash