Add KeyCode enumeration in Dart.

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
===================================================================
--- sdk/lib/html/dartium/html_dartium.dart	(revision 14502)
+++ sdk/lib/html/dartium/html_dartium.dart	(working copy)
@@ -42544,6 +42544,199 @@
 // BSD-style license that can be found in the LICENSE file.
 
 typedef void EventListener(Event event);
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/**
+ * Defines the keycode values for keys that are returned by 
+ * KeyboardEvent.keyCode.
+ * 
+ * Important note: There is substantial divergence in how different browsers
+ * handle keycodes and their variants in different locales/keyboard layouts. We
+ * provide these constants to help make code processing keys more readable.
+ */
+abstract class KeyCode {
+  static final int WIN_KEY_FF_LINUX = 0;
+  static final int MAC_ENTER = 3;
+  static final int BACKSPACE = 8;
+  static final int TAB = 9;
+  static final int NUM_CENTER = 12;
+  static final int NUMLOCK = 12;
+  static final int ENTER = 13;
+  static final int SHIFT = 16;
+  static final int CTRL = 17;
+  static final int ALT = 18;
+  static final int PAUSE = 19;
+  static final int CAPS_LOCK = 20;
+  static final int ESC = 27;
+  static final int SPACE = 32;
+  static final int PAGE_UP = 33;
+  static final int PAGE_DOWN = 34;
+  static final int END = 35;
+  static final int HOME = 36;
+  static final int LEFT = 37;
+  static final int UP = 38;
+  static final int RIGHT = 39;
+  static final int DOWN = 40;
+  static final int NUM_NORTH_EAST = 33;
+  static final int NUM_SOUTH_EAST = 34;
+  static final int NUM_SOUTH_WEST = 35;
+  static final int NUM_NORTH_WEST = 36;
+  static final int NUM_WEST = 37;
+  static final int NUM_NORTH = 38;
+  static final int NUM_EAST = 39;
+  static final int NUM_SOUTH = 40;
+  static final int PRINT_SCREEN = 44;
+  static final int INSERT = 45;
+  static final int NUM_INSERT = 45;
+  static final int DELETE = 46;
+  static final int NUM_DELETE = 46;
+  static final int ZERO = 48;
+  static final int ONE = 49;
+  static final int TWO = 50;
+  static final int THREE = 51;
+  static final int FOUR = 52;
+  static final int FIVE = 53;
+  static final int SIX = 54;
+  static final int SEVEN = 55;
+  static final int EIGHT = 56;
+  static final int NINE = 57;
+  static final int FF_SEMICOLON = 59;
+  static final int FF_EQUALS = 61;
+  /**
+   * CAUTION: The question mark is for US-keyboard layouts. It varies
+   * for other locales and keyboard layouts.
+   */
+  static final int QUESTION_MARK = 63;
+  static final int A = 65;
+  static final int B = 66;
+  static final int C = 67;
+  static final int D = 68;
+  static final int E = 69;
+  static final int F = 70;
+  static final int G = 71;
+  static final int H = 72;
+  static final int I = 73;
+  static final int J = 74;
+  static final int K = 75;
+  static final int L = 76;
+  static final int M = 77;
+  static final int N = 78;
+  static final int O = 79;
+  static final int P = 80;
+  static final int Q = 81;
+  static final int R = 82;
+  static final int S = 83;
+  static final int T = 84;
+  static final int U = 85;
+  static final int V = 86;
+  static final int W = 87;
+  static final int X = 88;
+  static final int Y = 89;
+  static final int Z = 90;
+  static final int META = 91;
+  static final int WIN_KEY_LEFT = 91;
+  static final int WIN_KEY_RIGHT = 92;
+  static final int CONTEXT_MENU = 93;
+  static final int NUM_ZERO = 96;
+  static final int NUM_ONE = 97;
+  static final int NUM_TWO = 98;
+  static final int NUM_THREE = 99;
+  static final int NUM_FOUR = 100;
+  static final int NUM_FIVE = 101;
+  static final int NUM_SIX = 102;
+  static final int NUM_SEVEN = 103;
+  static final int NUM_EIGHT = 104;
+  static final int NUM_NINE = 105;
+  static final int NUM_MULTIPLY = 106;
+  static final int NUM_PLUS = 107;
+  static final int NUM_MINUS = 109;
+  static final int NUM_PERIOD = 110;
+  static final int NUM_DIVISION = 111;
+  static final int F1 = 112;
+  static final int F2 = 113;
+  static final int F3 = 114;
+  static final int F4 = 115;
+  static final int F5 = 116;
+  static final int F6 = 117;
+  static final int F7 = 118;
+  static final int F8 = 119;
+  static final int F9 = 120;
+  static final int F10 = 121;
+  static final int F11 = 122;
+  static final int F12 = 123;
+  static final int NUMLOCK = 144;
+  static final int SCROLL_LOCK = 145;
+
+  // OS-specific media keys like volume controls and browser controls.
+  static final int FIRST_MEDIA_KEY = 166;
+  static final int LAST_MEDIA_KEY = 183;
+
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int SEMICOLON = 186;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int DASH = 189;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int EQUALS = 187;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int COMMA = 188;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int PERIOD = 190;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int SLASH = 191;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int APOSTROPHE = 192;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int TILDE = 192;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int SINGLE_QUOTE = 222;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int OPEN_SQUARE_BRACKET = 219;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int BACKSLASH = 220;
+  /**
+   * CAUTION: This constant requires localization for other locales and keyboard
+   * layouts.
+   */
+  static final int CLOSE_SQUARE_BRACKET = 221;
+  static final int WIN_KEY = 224;
+  static final int MAC_FF_META = 224;
+  static final int WIN_IME = 229;
+}
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.