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Unified Diff: third_party/polymer/components-chromium/core-a11y-keys/core-a11y-keys-extracted.js

Issue 1215543002: Remove Polymer 0.5. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix unit test Created 5 years, 6 months ago
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Index: third_party/polymer/components-chromium/core-a11y-keys/core-a11y-keys-extracted.js
diff --git a/third_party/polymer/components-chromium/core-a11y-keys/core-a11y-keys-extracted.js b/third_party/polymer/components-chromium/core-a11y-keys/core-a11y-keys-extracted.js
deleted file mode 100644
index 11c5168584c48885a789ba369b3fadbe5ed51d50..0000000000000000000000000000000000000000
--- a/third_party/polymer/components-chromium/core-a11y-keys/core-a11y-keys-extracted.js
+++ /dev/null
@@ -1,248 +0,0 @@
-
- (function() {
- /*
- * Chrome uses an older version of DOM Level 3 Keyboard Events
- *
- * Most keys are labeled as text, but some are Unicode codepoints.
- * Values taken from: http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/keyset.html#KeySet-Set
- */
- var KEY_IDENTIFIER = {
- 'U+0009': 'tab',
- 'U+001B': 'esc',
- 'U+0020': 'space',
- 'U+002A': '*',
- 'U+0030': '0',
- 'U+0031': '1',
- 'U+0032': '2',
- 'U+0033': '3',
- 'U+0034': '4',
- 'U+0035': '5',
- 'U+0036': '6',
- 'U+0037': '7',
- 'U+0038': '8',
- 'U+0039': '9',
- 'U+0041': 'a',
- 'U+0042': 'b',
- 'U+0043': 'c',
- 'U+0044': 'd',
- 'U+0045': 'e',
- 'U+0046': 'f',
- 'U+0047': 'g',
- 'U+0048': 'h',
- 'U+0049': 'i',
- 'U+004A': 'j',
- 'U+004B': 'k',
- 'U+004C': 'l',
- 'U+004D': 'm',
- 'U+004E': 'n',
- 'U+004F': 'o',
- 'U+0050': 'p',
- 'U+0051': 'q',
- 'U+0052': 'r',
- 'U+0053': 's',
- 'U+0054': 't',
- 'U+0055': 'u',
- 'U+0056': 'v',
- 'U+0057': 'w',
- 'U+0058': 'x',
- 'U+0059': 'y',
- 'U+005A': 'z',
- 'U+007F': 'del'
- };
-
- /*
- * Special table for KeyboardEvent.keyCode.
- * KeyboardEvent.keyIdentifier is better, and KeyBoardEvent.key is even better than that
- *
- * Values from: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent.keyCode#Value_of_keyCode
- */
- var KEY_CODE = {
- 9: 'tab',
- 13: 'enter',
- 27: 'esc',
- 33: 'pageup',
- 34: 'pagedown',
- 35: 'end',
- 36: 'home',
- 32: 'space',
- 37: 'left',
- 38: 'up',
- 39: 'right',
- 40: 'down',
- 46: 'del',
- 106: '*'
- };
-
- /*
- * KeyboardEvent.key is mostly represented by printable character made by the keyboard, with unprintable keys labeled
- * nicely.
- *
- * However, on OS X, Alt+char can make a Unicode character that follows an Apple-specific mapping. In this case, we
- * fall back to .keyCode.
- */
- var KEY_CHAR = /[a-z0-9*]/;
-
- function transformKey(key) {
- var validKey = '';
- if (key) {
- var lKey = key.toLowerCase();
- if (lKey.length == 1) {
- if (KEY_CHAR.test(lKey)) {
- validKey = lKey;
- }
- } else if (lKey == 'multiply') {
- // numpad '*' can map to Multiply on IE/Windows
- validKey = '*';
- } else {
- validKey = lKey;
- }
- }
- return validKey;
- }
-
- var IDENT_CHAR = /U\+/;
- function transformKeyIdentifier(keyIdent) {
- var validKey = '';
- if (keyIdent) {
- if (IDENT_CHAR.test(keyIdent)) {
- validKey = KEY_IDENTIFIER[keyIdent];
- } else {
- validKey = keyIdent.toLowerCase();
- }
- }
- return validKey;
- }
-
- function transformKeyCode(keyCode) {
- var validKey = '';
- if (Number(keyCode)) {
- if (keyCode >= 65 && keyCode <= 90) {
- // ascii a-z
- // lowercase is 32 offset from uppercase
- validKey = String.fromCharCode(32 + keyCode);
- } else if (keyCode >= 112 && keyCode <= 123) {
- // function keys f1-f12
- validKey = 'f' + (keyCode - 112);
- } else if (keyCode >= 48 && keyCode <= 57) {
- // top 0-9 keys
- validKey = String(48 - keyCode);
- } else if (keyCode >= 96 && keyCode <= 105) {
- // num pad 0-9
- validKey = String(96 - keyCode);
- } else {
- validKey = KEY_CODE[keyCode];
- }
- }
- return validKey;
- }
-
- function keyboardEventToKey(ev) {
- // fall back from .key, to .keyIdentifier, to .keyCode, and then to .detail.key to support artificial keyboard events
- var normalizedKey = transformKey(ev.key) || transformKeyIdentifier(ev.keyIdentifier) || transformKeyCode(ev.keyCode) || transformKey(ev.detail.key) || '';
- return {
- shift: ev.shiftKey,
- ctrl: ev.ctrlKey,
- meta: ev.metaKey,
- alt: ev.altKey,
- key: normalizedKey
- };
- }
-
- /*
- * Input: ctrl+shift+f7 => {ctrl: true, shift: true, key: 'f7'}
- * ctrl/space => {ctrl: true} || {key: space}
- */
- function stringToKey(keyCombo) {
- var keys = keyCombo.split('+');
- var keyObj = Object.create(null);
- keys.forEach(function(key) {
- if (key == 'shift') {
- keyObj.shift = true;
- } else if (key == 'ctrl') {
- keyObj.ctrl = true;
- } else if (key == 'alt') {
- keyObj.alt = true;
- } else {
- keyObj.key = key;
- }
- });
- return keyObj;
- }
-
- function keyMatches(a, b) {
- return Boolean(a.alt) == Boolean(b.alt) && Boolean(a.ctrl) == Boolean(b.ctrl) && Boolean(a.shift) == Boolean(b.shift) && a.key === b.key;
- }
-
- /**
- * Fired when a keycombo in `keys` is pressed.
- *
- * @event keys-pressed
- */
- function processKeys(ev) {
- var current = keyboardEventToKey(ev);
- for (var i = 0, dk; i < this._desiredKeys.length; i++) {
- dk = this._desiredKeys[i];
- if (keyMatches(dk, current)) {
- ev.preventDefault();
- ev.stopPropagation();
- this.fire('keys-pressed', current, this, false);
- break;
- }
- }
- }
-
- function listen(node, handler) {
- if (node && node.addEventListener) {
- node.addEventListener('keydown', handler);
- }
- }
-
- function unlisten(node, handler) {
- if (node && node.removeEventListener) {
- node.removeEventListener('keydown', handler);
- }
- }
-
- Polymer('core-a11y-keys', {
- created: function() {
- this._keyHandler = processKeys.bind(this);
- },
- attached: function() {
- if (!this.target) {
- this.target = this.parentNode;
- }
- listen(this.target, this._keyHandler);
- },
- detached: function() {
- unlisten(this.target, this._keyHandler);
- },
- publish: {
- /**
- * The set of key combinations to listen for.
- *
- * @attribute keys
- * @type string (keys syntax)
- * @default ''
- */
- keys: '',
- /**
- * The node that will fire keyboard events.
- * Default to this element's parentNode unless one is assigned
- *
- * @attribute target
- * @type Node
- * @default this.parentNode
- */
- target: null
- },
- keysChanged: function() {
- // * can have multiple mappings: shift+8, * on numpad or Multiply on numpad
- var normalized = this.keys.replace('*', '* shift+*');
- this._desiredKeys = normalized.toLowerCase().split(' ').map(stringToKey);
- },
- targetChanged: function(oldTarget) {
- unlisten(oldTarget, this._keyHandler);
- listen(this.target, this._keyHandler);
- }
- });
- })();

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