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Use ECMAScript modules

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This commit is contained in:
Unrud 2023-04-25 01:38:50 +02:00
parent e5369af219
commit b239ca7160
12 changed files with 879 additions and 664 deletions
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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
export const fullscreenEnabled = () => {
return (document.fullscreenEnabled ||
document.webkitFullscreenEnabled ||
false);
};
export const requestFullscreen = (element, options) => {
if (element.requestFullscreen) {
element.requestFullscreen(options);
} else if (element.webkitRequestFullscreen) {
element.webkitRequestFullscreen(options);
}
};
export const exitFullscreen = () => {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
};
export const fullscreenElement = () => {
return (document.fullscreenElement ||
document.webkitFullscreenElement ||
null);
};
export const addFullscreenchangeEventListener = (listener) => {
if ("onfullscreenchange" in document) {
document.addEventListener("fullscreenchange", listener);
} else if ("onwebkitfullscreenchange" in document) {
document.addEventListener("webkitfullscreenchange", listener);
}
};
export const requestPointerLock = (element) => {
if (element.requestPointerLock) {
element.requestPointerLock();
}
};
export const exitPointerLock = () => {
if (document.exitPointerLock) {
document.exitPointerLock();
}
};
export const pointerLockElement = () => {
return document.pointerLockElement || null;
};
export const addPointerlockchangeEventListener = (listener) => {
if ("onpointerlockchange" in document) {
document.addEventListener("pointerlockchange", listener);
}
};

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
export const POINTER_BUTTON_LEFT = 0;
export const POINTER_BUTTON_RIGHT = 1;
export const POINTER_BUTTON_MIDDLE = 2;
export const KEY_VOLUME_MUTE = 0;
export const KEY_VOLUME_DOWN = 1;
export const KEY_VOLUME_UP = 2;
export const KEY_MEDIA_PLAY_PAUSE = 3;
export const KEY_MEDIA_PREV_TRACK = 4;
export const KEY_MEDIA_NEXT_TRACK = 5;
export const KEY_BROWSER_BACK = 6;
export const KEY_BROWSER_FORWARD = 7;
export const KEY_SUPER = 8;
export const KEY_LEFT = 9;
export const KEY_RIGHT = 10;
export const KEY_UP = 11;
export const KEY_DOWN = 12;
export const KEY_HOME = 13;
export const KEY_END = 14;
export const KEY_BACK_SPACE = 15;
export const KEY_DELETE = 16;
export const KEY_RETURN = 17;
export default class InputController {
#updateRate = 0;
#moveXSum = 0;
#moveYSum = 0;
#scrollHSum = 0;
#scrollVSum = 0;
#scrolling = false;
#scrollFinish = false;
#updateTimeoutActive = false;
#socket;
constructor(socket) {
this.#socket = socket;
}
configure(config) {
this.#updateRate = config.updateRate;
}
#startUpdate(fromTimeout) {
if (this.#updateTimeoutActive && !fromTimeout) {
return;
}
this.#updateTimeoutActive = false;
let finished = true;
const xInt = Math.trunc(this.#moveXSum);
const yInt = Math.trunc(this.#moveYSum);
if (xInt != 0 || yInt != 0) {
this.#socket.send("m" + xInt + ";" + yInt);
this.#moveXSum -= xInt;
this.#moveYSum -= yInt;
finished = false;
}
const hInt = Math.trunc(this.#scrollHSum);
const vInt = Math.trunc(this.#scrollVSum);
if (hInt != 0 || vInt != 0) {
this.#socket.send((this.#scrollFinish ? "S" : "s") + hInt + ";" + vInt);
this.#scrollHSum -= hInt;
this.#scrollVSum -= vInt;
this.#scrolling = !this.#scrollFinish;
this.#scrollFinish = false;
finished = false;
} else if (this.#scrollFinish && this.#scrolling) {
this.#socket.send("S");
this.#scrolling = false;
this.#scrollFinish = false;
}
this.#updateTimeoutActive = !finished && this.#updateRate > 0;
if (this.#updateTimeoutActive) {
setTimeout(this.#startUpdate.bind(this), 1000 / this.#updateRate, true);
}
}
pointerMove(deltaX, deltaY) {
this.#moveXSum += deltaX;
this.#moveYSum += deltaY;
this.#startUpdate();
}
pointerScroll(deltaHorizontal, deltaVertical, finish) {
this.#scrollHSum += deltaHorizontal;
this.#scrollVSum += deltaVertical;
this.#scrollFinish |= finish;
this.#startUpdate();
};
pointerButton(button, press) {
this.#socket.send("b" + button + ";" + (press ? 1 : 0));
}
keyboardKey(key) {
this.#socket.send("k" + key);
}
keyboardText(text) {
this.#socket.send("t" + text);
}
}

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import {
KEY_SUPER, KEY_BACK_SPACE, KEY_RETURN, KEY_DELETE, KEY_HOME, KEY_END,
KEY_LEFT, KEY_RIGHT, KEY_UP, KEY_DOWN,
} from "./inputcontroller.mjs";
export default class Keyboard {
#inputController;
#checkAllowedCallback;
constructor(inputController, checkAllowedCallback) {
this.#inputController = inputController;
this.#checkAllowedCallback = checkAllowedCallback;
document.addEventListener("keydown", this.#handleKeydown.bind(this));
}
configure() {}
#handleKeydown(event) {
if (!this.#checkAllowedCallback() ||
event.ctrlKey || event.altKey || event.isComposing) {
return;
}
let key = null;
if (event.key == "OS" || event.key == "Super" || event.key == "Meta") {
key = KEY_SUPER;
} else if (event.key == "Backspace") {
key = KEY_BACK_SPACE;
} else if (event.key == "Enter") {
key = KEY_RETURN;
} else if (event.key == "Delete") {
key = KEY_DELETE;
} else if (event.key == "Home") {
key = KEY_HOME;
} else if (event.key == "End") {
key = KEY_END;
} else if (event.key == "Left" || event.key == "ArrowLeft") {
key = KEY_LEFT;
} else if (event.key == "Right" || event.key == "ArrowRight") {
key = KEY_RIGHT;
} else if (event.key == "Up" || event.key == "ArrowUp") {
key = KEY_UP;
} else if (event.key == "Down" || event.key == "ArrowDown") {
key = KEY_DOWN;
}
if (key != null) {
if (!event.shiftKey) {
event.preventDefault();
this.#inputController.keyboardKey(key);
}
} else if (event.key.length == 1) {
event.preventDefault();
this.#inputController.keyboardText(event.key);
}
}
}

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import InputController, * as inputcontrollerModule from "./inputcontroller.mjs";
import Socket from "./socket.mjs";
import UI from "./ui.mjs";
const url = new URL("ws", location.href);
url.protocol = url.protocol == "http:" ? "ws:" : "wss:";
const socket = new Socket(url, window.location.hash.substr(1));
const inputController = new InputController(socket);
const ui = new UI(inputController);
socket.addEventListener("config", (event) => {
const config = event.detail;
inputController.configure(config);
ui.configure(config);
});
socket.addEventListener("close", () => {
ui.close();
});
window.app = {
key: inputController.keyboardKey.bind(inputController),
text: inputController.keyboardText.bind(inputController),
toggleFullscreen: ui.toggleFullscreen.bind(ui),
showTextInput: ui.showTextInput.bind(ui),
showKeys: ui.showKeys.bind(ui),
setKeysPage: ui.setKeysPage.bind(ui),
};
for (const name in inputcontrollerModule) {
if (name.startsWith("KEY_")) {
window.app[name] = inputcontrollerModule[name];
}
}

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
export default class Mouse {
#moveSpeed = 1;
#scrollSpeed = 1;
#buttons = 0;
#inputController;
constructor (inputController, element) {
this.#inputController = inputController;
for (const type of ["touchstart", "touchend", "touchcancel", "touchmove"]) {
element.addEventListener(type, (event) => {
event.preventDefault();
});
}
element.addEventListener("mousedown", this.#handleMouseDownAndUp.bind(this));
element.addEventListener("mouseup", this.#handleMouseDownAndUp.bind(this));
element.addEventListener("mousemove", this.#handleMousemove.bind(this));
element.addEventListener("wheel", this.#handleWheel.bind(this));
}
configure(config) {
this.#moveSpeed = config.mouseMoveSpeed;
this.#scrollSpeed = config.mouseScrollSpeed;
}
#updateButtons(newButtons) {
for (let button = 0; button < 3; button += 1) {
const flag = 1 << button;
if ((newButtons&flag) != (this.#buttons & flag)) {
this.#inputController.pointerButton(button, newButtons & flag);
}
}
this.#buttons = newButtons;
}
#handleMouseDownAndUp(event) {
this.#updateButtons(event.buttons);
}
#handleMousemove(event) {
this.#inputController.pointerMove(
event.movementX * this.#moveSpeed, event.movementY * this.#moveSpeed);
}
#handleWheel(event) {
if (event.deltaMode == WheelEvent.DOM_DELTA_PIXEL) {
this.#inputController.pointerScroll(
event.deltaX * this.#scrollSpeed, event.deltaY * this.#scrollSpeed, true);
} else if (event.deltaMode == WheelEvent.DOM_DELTA_LINE) {
this.#inputController.pointerScroll(
event.deltaX * 20 * this.#scrollSpeed, event.deltaY * 20 * this.#scrollSpeed,
true);
}
}
}

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import jsSHA from "./sha256.mjs"
const challengeResponse = (message, secret) => {
const shaObj = new jsSHA("SHA-256", "TEXT");
shaObj.setHMACKey(message, "TEXT");
shaObj.update(secret);
return btoa(shaObj.getHMAC("BYTES"));
};
export default class Socket extends EventTarget {
#secret;
#authenticated;
#ws;
constructor(url, secret) {
super();
this.#secret = secret;
this.#authenticated = false;
this.#ws = new WebSocket(url);
this.#ws.addEventListener("message", this.#handle_ws_message.bind(this));
this.#ws.addEventListener("close", this.#handle_ws_close.bind(this));
}
#handle_ws_message(event) {
if (!this.#authenticated) {
this.#ws.send(challengeResponse(event.data, this.#secret));
this.#authenticated = true;
return;
}
let config;
try {
config = JSON.parse(event.data);
} catch (e) {
this.#ws.close();
throw (e);
}
this.dispatchEvent(new CustomEvent("config", {detail: config}));
}
#handle_ws_close() {
this.dispatchEvent(new CustomEvent("close"));
}
send(message) {
this.#ws.send(message);
}
}

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import {POINTER_BUTTON_LEFT, POINTER_BUTTON_MIDDLE, POINTER_BUTTON_RIGHT} from "./inputcontroller.mjs";
// [1 Touch, 2 Touches, 3 Touches] (as pixel)
const TOUCH_MOVE_THRESHOLD = [10, 15, 15];
// Max time between consecutive touches for clicking or dragging (as milliseconds)
const TOUCH_TIMEOUT = 250;
// [[pixel/second, multiplicator], ...]
const POINTER_ACCELERATION = [
[0, 0],
[87, 1],
[173, 1],
[553, 2],
];
const copyTouch = (touch, timeStamp) => ({
identifier: touch.identifier,
pageX: touch.pageX,
pageXStart: touch.pageX,
pageY: touch.pageY,
pageYStart: touch.pageY,
timeStamp: timeStamp,
});
const calculateAccelerationMult = (speed) => {
for (let i = 0; i < POINTER_ACCELERATION.length; i += 1) {
const s2 = POINTER_ACCELERATION[i][0];
const a2 = POINTER_ACCELERATION[i][1];
if (s2 <= speed) {
continue;
}
if (i == 0) {
return a2;
}
const s1 = POINTER_ACCELERATION[i - 1][0];
const a1 = POINTER_ACCELERATION[i - 1][1];
return ((speed - s1) / (s2 - s1)) * (a2 - a1) + a1;
}
if (POINTER_ACCELERATION.length > 0) {
return POINTER_ACCELERATION[POINTER_ACCELERATION.length - 1][1];
}
return 1;
};
export default class Touchpad {
#moveSpeed = 1;
#scrollSpeed = 1;
#moved = false;
#startTimeStamp = 0;
#lastEndTimeStamp = 0;
#releasedCount = 0;
#ongoingTouches = [];
#dragging = false;
#draggingTimeout = null;
#inputController;
#checkAllowedCallback;
constructor(inputController, checkAllowedCallback) {
this.#inputController = inputController;
this.#checkAllowedCallback = checkAllowedCallback;
document.addEventListener("touchstart", this.#handleTouchstart.bind(this));
document.addEventListener("touchend", this.#handleTouchend.bind(this));
document.addEventListener("touchcancel", this.#handleTouchend.bind(this));
document.addEventListener("touchmove", this.#handleTouchmove.bind(this));
}
configure(config) {
this.#moveSpeed = config.moveSpeed;
this.#scrollSpeed = config.scrollSpeed;
}
#ongoingTouchIndexById(idToFind) {
for (let i = 0; i < this.#ongoingTouches.length; i += 1) {
if (this.#ongoingTouches[i].identifier == idToFind) {
return i;
}
}
return -1;
}
#handleDraggingTimeout() {
this.#draggingTimeout = null;
this.#inputController.pointerButton(POINTER_BUTTON_LEFT, false);
}
#handleTouchstart(event) {
// Might get called multiple times for the same touches
if (this.#ongoingTouches.length == 0) {
this.#startTimeStamp = event.timeStamp;
this.#moved = false;
}
const touches = event.changedTouches;
let foundTouch = false;
for (let i = 0; i < touches.length; i += 1) {
if (this.#ongoingTouches.length == 0 &&
!this.#checkAllowedCallback(touches[i].target)) {
continue;
}
foundTouch = true;
const touch = copyTouch(touches[i], event.timeStamp);
const idx = this.#ongoingTouchIndexById(touch.identifier);
if (idx < 0) {
this.#ongoingTouches.push(touch);
} else {
this.#ongoingTouches[idx] = touch;
}
}
if (!foundTouch) {
return;
}
event.preventDefault();
this.#lastEndTimeStamp = 0;
if (this.#draggingTimeout != null) {
clearTimeout(this.#draggingTimeout);
this.#draggingTimeout = null;
this.#dragging = true;
}
this.#inputController.pointerScroll(0, 0, true);
}
#handleTouchend(event) {
const touches = event.changedTouches;
let foundTouch = false;
for (let i = 0; i < touches.length; i += 1) {
const idx = this.#ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
foundTouch = true;
this.#ongoingTouches.splice(idx, 1);
this.#releasedCount += 1;
}
if (!foundTouch) {
return;
}
event.preventDefault();
this.#lastEndTimeStamp = event.timeStamp;
this.#inputController.pointerScroll(0, 0, true);
if (this.#releasedCount > TOUCH_MOVE_THRESHOLD.length) {
this.#moved = true;
}
if (this.#ongoingTouches.length == 0 && this.#releasedCount >= 1) {
if (this.#dragging) {
this.#dragging = false;
this.#inputController.pointerButton(POINTER_BUTTON_LEFT, false);
}
if (!this.#moved && event.timeStamp - this.#startTimeStamp < TOUCH_TIMEOUT) {
let button = 0;
if (this.#releasedCount == 1) {
button = POINTER_BUTTON_LEFT;
} else if (this.#releasedCount == 2) {
button = POINTER_BUTTON_RIGHT;
} else if (this.#releasedCount == 3) {
button = POINTER_BUTTON_MIDDLE;
}
this.#inputController.pointerButton(button, true);
if (button == POINTER_BUTTON_LEFT) {
this.#draggingTimeout = setTimeout(
this.#handleDraggingTimeout.bind(this), TOUCH_TIMEOUT);
} else {
this.#inputController.pointerButton(button, false);
}
}
this.#releasedCount = 0;
}
}
#handleTouchmove(event) {
let sumX = 0;
let sumY = 0;
const touches = event.changedTouches;
let foundTouch = false;
for (let i = 0; i < touches.length; i += 1) {
const idx = this.#ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
foundTouch = true;
if (!this.#moved) {
const dist = Math.sqrt(
Math.pow(touches[i].pageX - this.#ongoingTouches[idx].pageXStart, 2) +
Math.pow(touches[i].pageY - this.#ongoingTouches[idx].pageYStart, 2)
);
if (this.#ongoingTouches.length > TOUCH_MOVE_THRESHOLD.length ||
dist > TOUCH_MOVE_THRESHOLD[this.#ongoingTouches.length - 1] ||
event.timeStamp - this.#startTimeStamp >= TOUCH_TIMEOUT) {
this.#moved = true;
}
}
const dx = touches[i].pageX - this.#ongoingTouches[idx].pageX;
const dy = touches[i].pageY - this.#ongoingTouches[idx].pageY;
const timeDelta = event.timeStamp - this.#ongoingTouches[idx].timeStamp;
sumX += dx * calculateAccelerationMult(Math.abs(dx) / timeDelta * 1000);
sumY += dy * calculateAccelerationMult(Math.abs(dy) / timeDelta * 1000);
this.#ongoingTouches[idx].pageX = touches[i].pageX;
this.#ongoingTouches[idx].pageY = touches[i].pageY;
this.#ongoingTouches[idx].timeStamp = event.timeStamp;
}
if (!foundTouch) {
return;
}
event.preventDefault();
if (this.#moved && event.timeStamp - this.#lastEndTimeStamp >= TOUCH_TIMEOUT) {
if (this.#ongoingTouches.length == 1 || this.#dragging) {
this.#inputController.pointerMove(
sumX * this.#moveSpeed, sumY * this.#moveSpeed);
} else if (this.#ongoingTouches.length == 2) {
this.#inputController.pointerScroll(
-sumX * this.#scrollSpeed, -sumY * this.#scrollSpeed, false);
}
}
}
}

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/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import Keyboard from "./keyboard.mjs";
import Mouse from "./mouse.mjs";
import Touchpad from "./touchpad.mjs";
import * as compat from "./compat.mjs";
const scenes = document.querySelectorAll("body > .scene");
const openingScene = document.getElementById("opening");
const closedScene = document.getElementById("closed");
const padScene = document.getElementById("pad");
const keysScene = document.getElementById("keys");
const keysPages = keysScene.querySelectorAll(":scope > .page");
const textInputScene = document.getElementById("text-input");
const textInput = textInputScene.querySelector("textarea");
const mouseScene = document.getElementById("mouse");
const sendText = document.getElementById("send-text");
export default class UI {
#activeScene = null;
#keysActiveName = "";
#ready = false;
#closed = false;
#inputController;
#mouse;
#keyboard;
#touchpad;
constructor(inputController) {
this.#inputController = inputController;
this.#mouse = new Mouse(inputController, mouseScene);
this.#keyboard = new Keyboard(inputController,
() => this.#activeScene?.classList.contains("keyboard-input"));
this.#touchpad = new Touchpad(inputController,
(target) => target.classList.contains("touch-input"));
document.addEventListener("mousedown", this.#handleMousedown.bind(this));
textInput.addEventListener("input", this.#handleTextInput.bind(this));
sendText.addEventListener("click", this.#handleSendText.bind(this));
window.addEventListener("popstate", () => { this.#update(); });
compat.addFullscreenchangeEventListener(() => { this.#update(); });
compat.addPointerlockchangeEventListener(() => { this.#update(); });
this.#update();
}
configure(config) {
this.#mouse.configure(config);
this.#keyboard.configure(config);
this.#touchpad.configure(config);
if (!this.#closed) {
this.#ready = true;
}
this.#update();
}
close() {
this.#ready = false;
this.#closed = true;
this.#update();
}
#handleMousedown(event) {
if (this.#activeScene != mouseScene && event.buttons == 1 &&
event.target.classList.contains("mouse-input")) {
compat.requestPointerLock(mouseScene);
}
}
#handleTextInput() {
sessionStorage.setItem("text-input", textInput.value);
}
#handleSendText() {
if (textInput.value) {
// normalize line endings
const text = textInput.value.replace(/\r\n?/g, "\n");
this.#inputController.keyboardText(text);
textInput.value = "";
this.#handleTextInput();
}
history.back();
}
#showScene(scene) {
this.#activeScene = scene;
if (compat.fullscreenElement() && !scene.classList.contains("allow-fullscreen")) {
compat.exitFullscreen();
}
if (compat.pointerLockElement() && this.#activeScene != mouseScene) {
compat.exitPointerLock();
}
textInput.value = "";
for (const otherScene of scenes) {
otherScene.classList.toggle("hidden", otherScene != scene);
}
}
setKeysPage(index, relative = false) {
if (relative) {
for (let i = 0; i < keysPages.length && keysPages[i].classList.contains("hidden");
i += 1, index += 1);
}
index = ((index % keysPages.length) + keysPages.length) % keysPages.length;
sessionStorage.setItem(this.#keysActiveName, index);
for (let i = 0; i < keysPages.length; i += 1) {
keysPages[i].classList.toggle("hidden", i != index);
}
}
showKeys(name = "", defaultPageIndex = 0) {
this.#showScene(keysScene);
this.#keysActiveName = "keys" + (name ? ":" + name : "");
let pageIndex = parseInt(sessionStorage.getItem(this.#keysActiveName));
if (isNaN(pageIndex)) {
pageIndex = defaultPageIndex;
}
this.setKeysPage(pageIndex);
if (history.state != this.#keysActiveName) {
history.pushState(this.#keysActiveName, "");
}
}
showTextInput() {
this.#showScene(textInputScene);
textInput.value = sessionStorage.getItem("text-input") || "";
textInput.focus();
if (history.state != "text-input") {
history.pushState("text-input", "");
}
}
toggleFullscreen() {
if (compat.fullscreenElement()) {
compat.exitFullscreen();
} else {
compat.requestFullscreen(document.documentElement, {navigationUI: "hide"});
}
}
#update() {
const fullscreenEnabled = compat.fullscreenEnabled();
for (const element of document.querySelectorAll(".visble-if-fullscreen-enabled")) {
element.classList.toggle("hidden", !fullscreenEnabled);
}
if (!this.#ready) {
this.#showScene(this.#closed ? closedScene : openingScene);
} else if (compat.pointerLockElement()) {
this.#showScene(mouseScene);
} else if ((history.state || "").split(":")[0] == "keys") {
this.showKeys(history.state.substr("keys:".length));
} else if (history.state == "text-input") {
this.showTextInput();
} else {
this.#showScene(padScene);
}
}
}