The Tor Browser: addon-sdk/source/lib/sdk/dom/events/keys.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 "use strict";

     7 module.metadata = {

     8   "stability": "unstable"

     9 };

    11 const { emit } = require("../events");

    12 const { getCodeForKey, toJSON } = require("../../keyboard/utils");

    13 const { has } = require("../../util/array");

    14 const { isString } = require("../../lang/type");

    16 const INITIALIZER = "initKeyEvent";

    17 const CATEGORY = "KeyboardEvent";

    19 function Options(options) {

    20   if (!isString(options))

    21     return options;

    23   var { key, modifiers } = toJSON(options);

    24   return {

    25     key: key,

    26     control: has(modifiers, "control"),

    27     alt: has(modifiers, "alt"),

    28     shift: has(modifiers, "shift"),

    29     meta: has(modifiers, "meta")

    30   };

    31 }

    33 var keyEvent = exports.keyEvent = function keyEvent(element, type, options) {

    35   emit(element, type, {

    36     initializer: INITIALIZER,

    37     category: CATEGORY,

    38     settings: [

    39       !("bubbles" in options) || options.bubbles !== false,

    40       !("cancelable" in options) || options.cancelable !== false,

    41       "window" in options && options.window ? options.window : null,

    42       "control" in options && !!options.control,

    43       "alt" in options && !!options.alt,

    44       "shift" in options && !!options.shift,

    45       "meta" in options && !!options.meta,

    46       getCodeForKey(options.key) || 0,

    47       options.key.length === 1 ? options.key.charCodeAt(0) : 0

    48     ]

    49   });

    50 }

    52 exports.keyDown = function keyDown(element, options) {

    53   keyEvent(element, "keydown", Options(options));

    54 };

    56 exports.keyUp = function keyUp(element, options) {

    57   keyEvent(element, "keyup", Options(options));

    58 };

    60 exports.keyPress = function keyPress(element, options) {

    61   keyEvent(element, "keypress", Options(options));

    62 };

The Tor Browser / file revision