diff options
Diffstat (limited to 'chromium/chrome/browser/resources/chromeos/chromevox/braille/braille_key_types.js')
-rw-r--r-- | chromium/chrome/browser/resources/chromeos/chromevox/braille/braille_key_types.js | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/chromium/chrome/browser/resources/chromeos/chromevox/braille/braille_key_types.js b/chromium/chrome/browser/resources/chromeos/chromevox/braille/braille_key_types.js deleted file mode 100644 index f6e6095d1c0..00000000000 --- a/chromium/chrome/browser/resources/chromeos/chromevox/braille/braille_key_types.js +++ /dev/null @@ -1,131 +0,0 @@ -// Copyright 2014 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -/** - * @fileoverview Braille command definitions. - * These types are adapted from Chrome's private braille API. - * They can be found in the Chrome source repo at: - * src/chrome/common/extensions/api/braille_display_private.idl - * We define them here since they don't actually exist as bindings under - * chrome.brailleDisplayPrivate.*. - */ - -goog.provide('cvox.BrailleDisplayState'); -goog.provide('cvox.BrailleKeyCommand'); -goog.provide('cvox.BrailleKeyEvent'); - - -/** - * The set of commands sent from a braille display. - * @enum {string} - */ -cvox.BrailleKeyCommand = { - PAN_LEFT: 'pan_left', - PAN_RIGHT: 'pan_right', - LINE_UP: 'line_up', - LINE_DOWN: 'line_down', - TOP: 'top', - BOTTOM: 'bottom', - ROUTING: 'routing', - SECONDARY_ROUTING: 'secondary_routing', - DOTS: 'dots', - STANDARD_KEY: 'standard_key' -}; - - -/** - * Represents a key event from a braille display. - * - * @typedef {{command: cvox.BrailleKeyCommand, - * displayPosition: (undefined|number), - * brailleDots: (undefined|number), - * standardKeyCode: (undefined|string), - * standardKeyChar: (undefined|string), - * altKey: (undefined|boolean), - * ctrlKey: (undefined|boolean), - * shiftKey: (undefined|boolean) - * }} - * command The name of the command. - * displayPosition The 0-based position relative to the start of the currently - * displayed text. Used for commands that involve routing - * keys or similar. The position is given in characters, - * not braille cells. - * brailleDots Dots that were pressed for braille input commands. Bit mask - * where bit 0 represents dot 1 etc. - * standardKeyCode DOM level 4 key code. - * standardKeyChar DOM key event character. - * altKey Whether the alt key was pressed. - * ctrlKey Whether the control key was pressed. - * shiftKey Whether the shift key was pressed. - */ -cvox.BrailleKeyEvent = {}; - - -/** - * Returns the numeric key code for a DOM level 4 key code string. - * NOTE: Only the key codes produced by the brailleDisplayPrivate API are - * supported. - * @param {string} code DOM level 4 key code. - * @return {number|undefined} The numeric key code, or {@code undefined} - * if unknown. - */ -cvox.BrailleKeyEvent.keyCodeToLegacyCode = function(code) { - return cvox.BrailleKeyEvent.legacyKeyCodeMap_[code]; -}; - - -/** - * Returns a char value appropriate for a synthezised key event for a given - * key code. - * @param {string} keyCode The DOM level 4 key code. - * @return {number} Integral character code. - */ -cvox.BrailleKeyEvent.keyCodeToCharValue = function(keyCode) { - /** @const */ - var SPECIAL_CODES = { - 'Backspace': 0x08, - 'Tab': 0x09, - 'Enter': 0x0A - }; - // Note, the Chrome virtual keyboard falls back on the first character of the - // key code if the key is not one of the above. Do the same here. - return SPECIAL_CODES[keyCode] || keyCode.charCodeAt(0); -}; - - -/** - * Map from DOM level 4 key codes to legacy numeric key codes. - * @private {Object<number>} - */ -cvox.BrailleKeyEvent.legacyKeyCodeMap_ = { - 'Backspace': 8, - 'Tab': 9, - 'Enter': 13, - 'Escape': 27, - 'Home': 36, - 'ArrowLeft': 37, - 'ArrowUp': 38, - 'ArrowRight': 39, - 'ArrowDown': 40, - 'PageUp': 33, - 'PageDown': 34, - 'End': 35, - 'Insert': 45, - 'Delete': 46 -}; - -// Add the F1 to F12 keys. -(function() { - for (var i = 0; i < 12; ++i) { - cvox.BrailleKeyEvent.legacyKeyCodeMap_['F' + (i + 1)] = 112 + i; - } -})(); - - -/** - * The state of a braille display as represented in the - * chrome.brailleDisplayPrivate API. - * @typedef {{available: boolean, textCellCount: (number|undefined)}} - */ -cvox.BrailleDisplayState; |