@difizen/mana-core
Version:
645 lines (641 loc) • 37.2 kB
JavaScript
"use strict";
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.KeyboardTester = exports.DEFAULT_LAYOUT_DATA = exports.BrowserKeyboardLayoutProvider = void 0;
var _manaCommon = require("@difizen/mana-common");
var _manaSyringe = require("@difizen/mana-syringe");
var _common = require("../common");
var _keyboardProtocol = require("./keyboard-protocol");
var _layouts = require("./layouts");
var _dec, _dec2, _dec3, _class, _class2, _descriptor;
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: !0, configurable: !0, writable: !0 }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw new Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: !0 }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator.return && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(!0); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next; return next.value = t, next.done = !0, next; }; return i.next = i; } } throw new TypeError(_typeof(e) + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw new Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, catch: function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw new Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; }
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _initializerDefineProperty(target, property, descriptor, context) { if (!descriptor) return; Object.defineProperty(target, property, { enumerable: descriptor.enumerable, configurable: descriptor.configurable, writable: descriptor.writable, value: descriptor.initializer ? descriptor.initializer.call(context) : void 0 }); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) { var desc = {}; Object.keys(descriptor).forEach(function (key) { desc[key] = descriptor[key]; }); desc.enumerable = !!desc.enumerable; desc.configurable = !!desc.configurable; if ('value' in desc || desc.initializer) { desc.writable = true; } desc = decorators.slice().reverse().reduce(function (desc, decorator) { return decorator(target, property, desc) || desc; }, desc); if (context && desc.initializer !== void 0) { desc.value = desc.initializer ? desc.initializer.call(context) : void 0; desc.initializer = undefined; } if (desc.initializer === void 0) { Object.defineProperty(target, property, desc); desc = null; } return desc; }
function _initializerWarningHelper(descriptor, context) { throw new Error('Decorating class property failed. Please ensure that ' + 'transform-class-properties is enabled and runs after the decorators transform.'); }
var BrowserKeyboardLayoutProvider = exports.BrowserKeyboardLayoutProvider = (_dec = (0, _manaSyringe.singleton)({
contrib: [_keyboardProtocol.KeyboardLayoutProvider, _keyboardProtocol.KeyboardLayoutChangeNotifier]
}), _dec2 = (0, _manaSyringe.inject)(_common.LocalStorageService), _dec3 = (0, _manaSyringe.postConstruct)(), _dec(_class = (_class2 = /*#__PURE__*/function () {
function BrowserKeyboardLayoutProvider() {
_classCallCheck(this, BrowserKeyboardLayoutProvider);
this.pendingLayoutMap = new Map();
_initializerDefineProperty(this, "storageService", _descriptor, this);
this.initialized = new _manaCommon.Deferred();
this.nativeLayoutChanged = new _manaCommon.Emitter();
this.source = 'pressed-keys';
this.currentLayout = DEFAULT_LAYOUT_DATA;
// this.storageService = storageService;
this.layoutDatas = [this.getLayoutData('en-US-pc', _layouts.en_US_pc), this.getLayoutData('en-US-mac', _layouts.en_US_mac)];
this.tester = new KeyboardTester(this.layoutDatas);
}
_createClass(BrowserKeyboardLayoutProvider, [{
key: "onDidChangeNativeLayout",
get: function get() {
return this.nativeLayoutChanged.event;
}
}, {
key: "updateTester",
value: function updateTester() {
this.tester = new KeyboardTester(this.layoutDatas);
}
/**
* Keyboard layout files are expected to have the following name scheme:
* `language-name-hardware.json`
*
* - `language`: A language subtag according to IETF BCP 47
* - `name`: Display name of the keyboard layout (without dashes)
* - `hardware`: `pc` or `mac`
*/
}, {
key: "getLayoutData",
value: function getLayoutData(layoutId, raw) {
var _layoutId$split = layoutId.split('-'),
_layoutId$split2 = _slicedToArray(_layoutId$split, 3),
language = _layoutId$split2[0],
name = _layoutId$split2[1],
hardware = _layoutId$split2[2];
return {
name: name.replace('_', ' '),
hardware: hardware,
language: language,
// Webpack knows what to do here and it should bundle all files under `../../../src/common/keyboard/layouts/`
raw: raw
};
}
}, {
key: "loadLayout",
value: function () {
var _loadLayout = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(layoutId) {
var loader;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
loader = _layouts.layoutRawDataLoader[layoutId];
_context.t0 = this;
_context.t1 = layoutId;
_context.next = 5;
return loader();
case 5:
_context.t2 = _context.sent;
return _context.abrupt("return", _context.t0.getLayoutData.call(_context.t0, _context.t1, _context.t2));
case 7:
case "end":
return _context.stop();
}
}, _callee, this);
}));
function loadLayout(_x) {
return _loadLayout.apply(this, arguments);
}
return loadLayout;
}()
}, {
key: "addLayout",
value: function () {
var _addLayout = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2(layoutId) {
var layout;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
if (!this.layoutDatas.find(function (layout) {
return getLayoutId(layout) === layoutId;
})) {
_context2.next = 2;
break;
}
return _context2.abrupt("return");
case 2:
if (!this.pendingLayoutMap.has(layoutId)) {
this.pendingLayoutMap.set(layoutId, this.loadLayout(layoutId));
}
_context2.next = 5;
return this.pendingLayoutMap.get(layoutId);
case 5:
layout = _context2.sent;
if (layout) {
this.layoutDatas.push(layout);
this.updateTester();
}
case 7:
case "end":
return _context2.stop();
}
}, _callee2, this);
}));
function addLayout(_x2) {
return _addLayout.apply(this, arguments);
}
return addLayout;
}()
}, {
key: "allLayoutData",
get: function get() {
return this.tester.candidates.slice();
}
}, {
key: "currentLayoutData",
get: function get() {
return this.currentLayout;
}
}, {
key: "currentLayoutSource",
get: function get() {
return this.source;
}
}, {
key: "initialize",
value: function () {
var _initialize = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee4() {
var _this = this;
var keyboard;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
// await this.loadState();
keyboard = navigator.keyboard;
if (keyboard && keyboard.addEventListener) {
keyboard.addEventListener('layoutchange', /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee3() {
var newLayout;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
_context3.next = 2;
return _this.getNativeLayout();
case 2:
newLayout = _context3.sent;
_this.nativeLayoutChanged.fire(newLayout);
case 4:
case "end":
return _context3.stop();
}
}, _callee3);
})));
}
this.initialized.resolve();
case 3:
case "end":
return _context4.stop();
}
}, _callee4, this);
}));
function initialize() {
return _initialize.apply(this, arguments);
}
return initialize;
}()
}, {
key: "getNativeLayout",
value: function () {
var _getNativeLayout = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee5() {
var _yield$this$autodetec, _yield$this$autodetec2, layout, source;
return _regeneratorRuntime().wrap(function _callee5$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
_context5.next = 2;
return this.initialized.promise;
case 2:
if (!(this.source === 'user-choice')) {
_context5.next = 4;
break;
}
return _context5.abrupt("return", this.currentLayout.raw);
case 4:
_context5.next = 6;
return this.autodetect();
case 6:
_yield$this$autodetec = _context5.sent;
_yield$this$autodetec2 = _slicedToArray(_yield$this$autodetec, 2);
layout = _yield$this$autodetec2[0];
source = _yield$this$autodetec2[1];
this.setCurrent(layout, source);
return _context5.abrupt("return", layout.raw);
case 12:
case "end":
return _context5.stop();
}
}, _callee5, this);
}));
function getNativeLayout() {
return _getNativeLayout.apply(this, arguments);
}
return getNativeLayout;
}()
/**
* Set user-chosen keyboard layout data.
*/
}, {
key: "setLayoutData",
value: (function () {
var _setLayoutData = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee6(layout) {
var _yield$this$autodetec3, _yield$this$autodetec4, newLayout, source;
return _regeneratorRuntime().wrap(function _callee6$(_context6) {
while (1) switch (_context6.prev = _context6.next) {
case 0:
if (!(layout === 'autodetect')) {
_context6.next = 14;
break;
}
if (!(this.source === 'user-choice')) {
_context6.next = 11;
break;
}
_context6.next = 4;
return this.autodetect();
case 4:
_yield$this$autodetec3 = _context6.sent;
_yield$this$autodetec4 = _slicedToArray(_yield$this$autodetec3, 2);
newLayout = _yield$this$autodetec4[0];
source = _yield$this$autodetec4[1];
this.setCurrent(newLayout, source);
this.nativeLayoutChanged.fire(newLayout.raw);
return _context6.abrupt("return", newLayout);
case 11:
return _context6.abrupt("return", this.currentLayout);
case 14:
if (this.source !== 'user-choice' || layout !== this.currentLayout) {
this.setCurrent(layout, 'user-choice');
this.nativeLayoutChanged.fire(layout.raw);
}
return _context6.abrupt("return", layout);
case 16:
case "end":
return _context6.stop();
}
}, _callee6, this);
}));
function setLayoutData(_x3) {
return _setLayoutData.apply(this, arguments);
}
return setLayoutData;
}()
/**
* Test all known keyboard layouts with the given combination of pressed key and
* produced character. Matching layouts have their score increased (see class
* KeyboardTester). If this leads to a change of the top-scoring layout, a layout
* change event is fired.
*/
)
}, {
key: "validateKey",
value: function validateKey(keyCode) {
if (this.source !== 'pressed-keys') {
return;
}
var accepted = this.tester.updateScores(keyCode);
if (!accepted) {
return;
}
var layout = this.selectLayout();
if (layout !== this.currentLayout && layout !== DEFAULT_LAYOUT_DATA) {
this.setCurrent(layout, 'pressed-keys');
this.nativeLayoutChanged.fire(layout.raw);
}
}
}, {
key: "setCurrent",
value: function setCurrent(layout, source) {
this.currentLayout = layout;
this.source = source;
// this.saveState();
if (this.tester.inputCount && (source === 'pressed-keys' || source === 'navigator.keyboard')) {
var from = source === 'pressed-keys' ? 'pressed keys' : 'browser API';
var hardware = layout.hardware === 'mac' ? 'Mac' : 'PC';
console.warn("Detected keyboard layout from ".concat(from, ": ").concat(layout.name, " (").concat(hardware, ")"));
}
}
}, {
key: "autodetect",
value: function () {
var _autodetect = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee7() {
var keyboard, layoutMap;
return _regeneratorRuntime().wrap(function _callee7$(_context7) {
while (1) switch (_context7.prev = _context7.next) {
case 0:
keyboard = navigator.keyboard;
if (!(keyboard && keyboard.getLayoutMap)) {
_context7.next = 13;
break;
}
_context7.prev = 2;
_context7.next = 5;
return keyboard.getLayoutMap();
case 5:
layoutMap = _context7.sent;
this.testLayoutMap(layoutMap);
return _context7.abrupt("return", [this.selectLayout(), 'navigator.keyboard']);
case 10:
_context7.prev = 10;
_context7.t0 = _context7["catch"](2);
console.warn('Failed to obtain keyboard layout map.', _context7.t0);
case 13:
return _context7.abrupt("return", [this.selectLayout(), 'pressed-keys']);
case 14:
case "end":
return _context7.stop();
}
}, _callee7, this, [[2, 10]]);
}));
function autodetect() {
return _autodetect.apply(this, arguments);
}
return autodetect;
}()
/**
* @param layoutMap a keyboard layout map according to https://wicg.github.io/keyboard-map/
*/
}, {
key: "testLayoutMap",
value: function testLayoutMap(layoutMap) {
this.tester.reset();
var _iterator = _createForOfIteratorHelper(layoutMap.entries()),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var _step$value = _slicedToArray(_step.value, 2),
code = _step$value[0],
key = _step$value[1];
this.tester.updateScores({
code: code,
character: key
});
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
}
/**
* Select a layout based on the current tester state and the operating system
* and language detected from the browser.
*/
}, {
key: "selectLayout",
value: function selectLayout() {
var candidates = this.tester.candidates;
var scores = this.tester.scores;
var topScore = this.tester.topScore;
var language = navigator.language;
var matchingOScount = 0;
var topScoringCount = 0;
for (var i = 0; i < candidates.length; i++) {
if (scores[i] === topScore) {
var candidate = candidates[i];
if (osMatches(candidate.hardware)) {
if (language && language.startsWith(candidate.language)) {
return candidate;
}
matchingOScount++;
}
topScoringCount++;
}
}
if (matchingOScount >= 1) {
return candidates.find(function (c, i) {
return scores[i] === topScore && osMatches(c.hardware);
});
}
if (topScoringCount >= 1) {
return candidates.find(function (_, i) {
return scores[i] === topScore;
});
}
return DEFAULT_LAYOUT_DATA;
}
}, {
key: "saveState",
value: function () {
var _saveState = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee8() {
var data;
return _regeneratorRuntime().wrap(function _callee8$(_context8) {
while (1) switch (_context8.prev = _context8.next) {
case 0:
data = {
tester: this.tester.getState(),
source: this.source,
currentLayout: this.currentLayout !== DEFAULT_LAYOUT_DATA ? getLayoutId(this.currentLayout) : undefined
};
return _context8.abrupt("return", this.storageService.setData('keyboard', data));
case 2:
case "end":
return _context8.stop();
}
}, _callee8, this);
}));
function saveState() {
return _saveState.apply(this, arguments);
}
return saveState;
}()
}, {
key: "loadState",
value: function () {
var _loadState = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee9() {
var data, layout;
return _regeneratorRuntime().wrap(function _callee9$(_context9) {
while (1) switch (_context9.prev = _context9.next) {
case 0:
_context9.next = 2;
return this.storageService.getData('keyboard');
case 2:
data = _context9.sent;
if (data) {
this.tester.setState(data.tester || {});
this.source = data.source || 'pressed-keys';
if (data.currentLayout) {
layout = this.tester.candidates.find(function (c) {
return getLayoutId(c) === data.currentLayout;
});
if (layout) {
this.currentLayout = layout;
}
} else {
this.currentLayout = DEFAULT_LAYOUT_DATA;
}
}
case 4:
case "end":
return _context9.stop();
}
}, _callee9, this);
}));
function loadState() {
return _loadState.apply(this, arguments);
}
return loadState;
}()
}]);
return BrowserKeyboardLayoutProvider;
}(), (_descriptor = _applyDecoratedDescriptor(_class2.prototype, "storageService", [_dec2], {
configurable: true,
enumerable: true,
writable: true,
initializer: null
}), _applyDecoratedDescriptor(_class2.prototype, "initialize", [_dec3], Object.getOwnPropertyDescriptor(_class2.prototype, "initialize"), _class2.prototype)), _class2)) || _class);
function osMatches(hardware) {
return _manaCommon.isOSX ? hardware === 'mac' : hardware === 'pc';
}
/**
* This is the fallback keyboard layout selected when nothing else matches.
* It has an empty mapping, so user inputs are handled like with a standard US keyboard.
*/
var DEFAULT_LAYOUT_DATA = exports.DEFAULT_LAYOUT_DATA = {
name: 'US',
hardware: _manaCommon.isOSX ? 'mac' : 'pc',
language: 'en',
raw: {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
info: {},
mapping: {}
}
};
/**
* Holds score values for all known keyboard layouts. Scores are updated
* by comparing key codes with the corresponding character produced by
* the user's keyboard.
*/
var KeyboardTester = exports.KeyboardTester = /*#__PURE__*/function () {
function KeyboardTester(candidates) {
_classCallCheck(this, KeyboardTester);
this.topScore = 0;
this.testedInputs = new Map();
this.candidates = candidates;
this.scores = this.candidates.map(function () {
return 0;
});
}
_createClass(KeyboardTester, [{
key: "inputCount",
get: function get() {
return this.testedInputs.size;
}
}, {
key: "reset",
value: function reset() {
for (var i = 0; i < this.scores.length; i++) {
this.scores[i] = 0;
}
this.topScore = 0;
this.testedInputs.clear();
}
}, {
key: "updateScores",
value: function updateScores(input) {
var property;
if (input.shiftKey && input.altKey) {
property = 'withShiftAltGr';
} else if (input.shiftKey) {
property = 'withShift';
} else if (input.altKey) {
property = 'withAltGr';
} else {
property = 'value';
}
var inputKey = "".concat(input.code, ".").concat(property);
if (this.testedInputs.has(inputKey)) {
if (this.testedInputs.get(inputKey) === input.character) {
return false;
} else {
// The same input keystroke leads to a different character:
// probably a keyboard layout change, so forget all previous scores
this.reset();
}
}
var scores = this.scores;
for (var i = 0; i < this.candidates.length; i++) {
scores[i] += this.testCandidate(this.candidates[i], input, property);
if (scores[i] > this.topScore) {
this.topScore = scores[i];
}
}
this.testedInputs.set(inputKey, input.character);
return true;
}
}, {
key: "testCandidate",
value: function testCandidate(candidate, input, property) {
var keyMapping = candidate.raw.mapping[input.code];
if (keyMapping && keyMapping[property]) {
return keyMapping[property] === input.character ? 1 : 0;
} else {
return 0;
}
}
}, {
key: "getState",
value: function getState() {
var scores = {};
for (var i = 0; i < this.scores.length; i++) {
scores[getLayoutId(this.candidates[i])] = this.scores[i];
}
var testedInputs = {};
var _iterator2 = _createForOfIteratorHelper(this.testedInputs.entries()),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var _step2$value = _slicedToArray(_step2.value, 2),
key = _step2$value[0],
character = _step2$value[1];
testedInputs[key] = character;
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
return {
scores: scores,
topScore: this.topScore,
testedInputs: testedInputs
};
}
}, {
key: "setState",
value: function setState(state) {
this.reset();
if (state.scores) {
var layoutIds = this.candidates.map(getLayoutId);
for (var id in state.scores) {
if (Object.prototype.hasOwnProperty.call(state.scores, id)) {
var index = layoutIds.indexOf(id);
if (index > 0) {
this.scores[index] = state.scores[id];
}
}
}
}
if (state.topScore) {
this.topScore = state.topScore;
}
if (state.testedInputs) {
for (var key in state.testedInputs) {
if (Object.prototype.hasOwnProperty.call(state.testedInputs, key)) {
this.testedInputs.set(key, state.testedInputs[key]);
}
}
}
}
}]);
return KeyboardTester;
}();
/**
* API specified by https://wicg.github.io/keyboard-map/
*/
function getLayoutId(layout) {
return "".concat(layout.language, "-").concat(layout.name.replace(' ', '_'), "-").concat(layout.hardware);
}