(e)
| 54 | } |
| 55 | |
| 56 | _getKeyCode(e) { |
| 57 | const code = KeyboardUtil.getKeycode(e); |
| 58 | if (code !== 'Unidentified') { |
| 59 | return code; |
| 60 | } |
| 61 | |
| 62 | // Unstable, but we don't have anything else to go on |
| 63 | if (e.keyCode) { |
| 64 | // 229 is used for composition events |
| 65 | if (e.keyCode !== 229) { |
| 66 | return 'Platform' + e.keyCode; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | // A precursor to the final DOM3 standard. Unfortunately it |
| 71 | // is not layout independent, so it is as bad as using keyCode |
| 72 | if (e.keyIdentifier) { |
| 73 | // Non-character key? |
| 74 | if (e.keyIdentifier.substr(0, 2) !== 'U+') { |
| 75 | return e.keyIdentifier; |
| 76 | } |
| 77 | |
| 78 | const codepoint = parseInt(e.keyIdentifier.substr(2), 16); |
| 79 | const char = String.fromCharCode(codepoint).toUpperCase(); |
| 80 | |
| 81 | return 'Platform' + char.charCodeAt(); |
| 82 | } |
| 83 | |
| 84 | return 'Unidentified'; |
| 85 | } |
| 86 | |
| 87 | _handleKeyDown(e) { |
| 88 | const code = this._getKeyCode(e); |
no test coverage detected