import * as Keyers from "./keyers.mjs" import * as Outputs from "./outputs.mjs" import * as Inputs from "./inputs.mjs" import * as Repeaters from "./repeaters.mjs" import * as Chart from "./chart.mjs" import * as I18n from "./i18n.mjs" const DefaultRepeater = "General" const Millisecond = 1 const Second = 1000 * Millisecond const Minute = 60 * Second /** * Pop up a message, using an notification. * * @param {string} msg Message to display */ function toast(msg, timeout=4*Second) { console.info(msg) let errors = document.querySelector("#errors") let p = errors.appendChild(document.createElement("p")) p.textContent = msg setTimeout(() => p.remove(), timeout) } // iOS kludge if (!window.AudioContext) { window.AudioContext = window.webkitAudioContext } class VailClient { constructor() { this.sent = [] this.lagTimes = [0] this.rxDurations = [0] this.clockOffset = null // How badly our clock is off of the server's this.rxDelay = 0 * Millisecond // Time to add to incoming timestamps this.beginTxTime = null // Time when we began transmitting // Outputs this.outputs = new Outputs.Collection() // Keyers this.straightKeyer = new Keyers.Keyers.straight(this) this.keyer = new Keyers.Keyers.straight(this) this.roboKeyer = new Keyers.Keyers.robo(() => this.Buzz(), () => this.Silence()) // Set up various input methods // Send this as the keyer so we can intercept dit and dah events for charts this.inputs = new Inputs.Collection(this) // Maximize button for (let e of document.querySelectorAll("button.maximize")) { e.addEventListener("click", e => this.maximize(e)) } for (let e of document.querySelectorAll("#ck")) { e.addEventListener("click", e => this.check()) } for (let e of document.querySelectorAll("#reset")) { e.addEventListener("click", e => this.reset()) } // Set up inputs this.inputInit("#keyer-mode", e => this.setKeyer(e.target.value)) this.inputInit("#keyer-rate", e => { let rate = e.target.value this.ditDuration = Minute / rate / 50 for (let e of document.querySelectorAll("[data-fill='keyer-ms']")) { e.textContent = this.ditDuration.toFixed(0) } this.keyer.SetDitDuration(this.ditDuration) this.roboKeyer.SetDitDuration(this.ditDuration) this.inputs.SetDitDuration(this.ditDuration) }) this.inputInit("#rx-delay", e => { this.rxDelay = e.target.value * Second }) this.inputInit("#telegraph-buzzer", e => { this.setTelegraphBuzzer(e.target.checked) }) this.inputInit("#notes") // Fill in the name of our repeater document.querySelector("#repeater").addEventListener("change", e => this.setRepeater(e.target.value.trim())) window.addEventListener("hashchange", () => this.hashchange()) this.hashchange() this.setTimingCharts(true) // Turn off the "muted" symbol when we can start making noise Outputs.AudioReady() .then(() => { console.log("Audio context ready") document.querySelector("#muted").classList.add("is-hidden") }) } /** * Straight key change (keyer shim) * * @param down If key has been depressed */ Straight(down) { this.straightKeyer.Key(0, down) } /** * Key/paddle change * * @param {Number} key Key which was pressed * @param {Boolean} down True if key was pressed */ Key(key, down) { this.keyer.Key(key, down) if (this.keyCharts) this.keyCharts[key].Set(down?1:0) } setKeyer(keyerName) { let newKeyerClass = Keyers.Keyers[keyerName] let newKeyerNumber = Keyers.Numbers[keyerName] if (!newKeyerClass) { console.error("Keyer not found", keyerName) return } let newKeyer = new newKeyerClass(this) let i = 0 for (let keyName of newKeyer.KeyNames()) { let e = document.querySelector(`.key[data-key="${i}"]`) e.textContent = keyName i += 1 } this.keyer.Release() this.keyer = newKeyer this.inputs.SetKeyerMode(newKeyerNumber) document.querySelector("#keyer-rate").dispatchEvent(new Event("input")) } Buzz() { this.outputs.Buzz(false) if (this.rxChart) this.rxChart.Set(1) } Silence() { this.outputs.Silence() if (this.rxChart) this.rxChart.Set(0) } BuzzDuration(tx, when, duration) { this.outputs.BuzzDuration(tx, when, duration) let chart = tx?this.txChart:this.rxChart if (chart) { chart.SetAt(1, when) chart.SetAt(0, when+duration) } } /** * Start the side tone buzzer. * * Called from the keyer. */ BeginTx() { this.beginTxTime = Date.now() this.outputs.Buzz(true) if (this.txChart) this.txChart.Set(1) } /** * Stop the side tone buzzer, and send out how long it was active. * * Called from the keyer */ EndTx() { if (!this.beginTxTime) { return } let endTxTime = Date.now() let duration = endTxTime - this.beginTxTime this.outputs.Silence(true) this.repeater.Transmit(this.beginTxTime, duration) this.beginTxTime = null if (this.txChart) this.txChart.Set(0) } /** * Toggle timing charts. * * @param enable True to enable charts */ setTimingCharts(enable) { // XXX: UI code shouldn't be in the Keyer class. // Actually, the charts calls should be in vail let chartsContainer = document.querySelector("#charts") if (!chartsContainer) { return } if (enable) { chartsContainer.classList.remove("hidden") this.keyCharts = [ Chart.FromSelector("#key0Chart"), Chart.FromSelector("#key1Chart") ] this.txChart = Chart.FromSelector("#txChart") this.rxChart = Chart.FromSelector("#rxChart") } else { chartsContainer.classList.add("hidden") this.keyCharts = [] this.txChart = null this.rxChart = null } } /** * Toggle the clicktastic buzzer, instead of the beeptastic one. * * @param {bool} enable true to enable clicky buzzer */ setTelegraphBuzzer(enable) { if (enable) { this.outputs.SetAudioType("telegraph") toast("Telegraphs only make sound when receiving!") } else { this.outputs.SetAudioType() } } /** * Called when the hash part of the URL has changed. */ hashchange() { let hashParts = window.location.hash.split("#") this.setRepeater(decodeURIComponent(hashParts[1] || "")) } /** * Connect to a repeater by name. * * This does some switching logic to provide multiple types of repeaters, * like the Fortunes repeaters. * * @param {string} name Repeater name */ setRepeater(name) { if (!name || (name == "")) { name = DefaultRepeater } this.repeaterName = name // Set value of repeater element let repeaterElement = document.querySelector("#repeater") let paps = repeaterElement.parentElement if (paps.MaterialTextfield) { paps.MaterialTextfield.change(name) } else { repeaterElement.value = name } // Set window URL let prevHash = window.location.hash window.location.hash = (name == DefaultRepeater) ? "" : name if (window.location.hash != prevHash) { // We're going to get a hashchange event, which will re-run this method return } if (this.repeater) { this.repeater.Close() } let rx = (w,d,s) => this.receive(w,d,s) // If there's a number in the name, store that for potential later use let numberMatch = name.match(/[0-9]+/) let number = 0 if (numberMatch) { number = Number(numberMatch[0]) } if (name.startsWith("Fortunes")) { this.roboKeyer.SetPauseMultiplier(number || 1) this.repeater = new Repeaters.Fortune(rx, this.roboKeyer) } else if (name.startsWith("Echo")) { this.repeater = new Repeaters.Echo(rx) } else if (name == "Null") { this.repeater = new Repeaters.Null(rx) } else { this.repeater = new Repeaters.Vail(rx, name) } } /** * Set up an HTML input element. * * This reads any previously saved value and sets the input value to that. * When the input is updated, it saves the value it's updated to, * and calls the provided callback with the new value. * * @param {string} selector CSS path to the element * @param {function} callback Callback to call with any new value that is set */ inputInit(selector, callback) { let element = document.querySelector(selector) if (!element) { console.warn("Unable to find an input to init", selector) return } let storedValue = localStorage[element.id] if (storedValue != null) { element.value = storedValue element.checked = (storedValue == "on") } let id = element.id let outputElement = document.querySelector(`[for="${id}"]`) element.addEventListener("input", e => { let value = element.value if (element.type == "checkbox") { value = element.checked?"on":"off" } localStorage[element.id] = value if (outputElement) { outputElement.value = value } if (callback) { callback(e) } }) element.dispatchEvent(new Event("input")) } /** * Make an error sound and pop up a message * * @param {string} msg The message to pop up */ error(msg) { toast(msg) this.outputs.Error() } /** * Called by a repeater class when there's something received. * * @param {number} when When to play the tone * @param {number} duration How long to play the tone * @param {dict} stats Stuff the repeater class would like us to know about */ receive(when, duration, stats) { this.clockOffset = stats.clockOffset || "?" let now = Date.now() when += this.rxDelay if (duration > 0) { if (when < now) { console.warn("Too old", when, duration) this.error("Packet requested playback " + (now - when) + "ms in the past. Increase receive delay!") return } this.BuzzDuration(false, when, duration) this.rxDurations.unshift(duration) this.rxDurations.splice(20, 2) } if (stats.notice) { toast(stats.notice) } let averageLag = (stats.averageLag || 0).toFixed(2) let longestRxDuration = this.rxDurations.reduce((a,b) => Math.max(a,b)) let suggestedDelay = ((averageLag + longestRxDuration) * 1.2).toFixed(0) if (stats.connected !== undefined) { this.outputs.SetConnected(stats.connected) } this.updateReading("#note", stats.note || stats.clients || "😎") this.updateReading("#lag-value", averageLag) this.updateReading("#longest-rx-value", longestRxDuration) this.updateReading("#suggested-delay-value", suggestedDelay) this.updateReading("#clock-off-value", this.clockOffset) } /** * Update an element with a value, if that element exists * * @param {string} selector CSS path to the element * @param value Value to set */ updateReading(selector, value) { let e = document.querySelector(selector) if (e) { e.value = value } } /** * Maximize/minimize a card * * @param e Event */ maximize(e) { let element = e.target while (!element.classList.contains("mdl-card")) { element = element.parentElement if (!element) { console.log("Maximize button: couldn't find parent card") return } } element.classList.toggle("maximized") console.log(element) } /** * Send "CK" to server, and don't squelch the echo */ check() { let when = Date.now() let dit = this.ditDuration let dah = dit * 3 let s = dit let message = [ dah, s, dit, s, dah, s, dit, s * 3, dah, s, dit, s, dah ] this.repeater.Transmit(when, 0) // Get round-trip time for (let i in message) { let duration = message[i] if (i % 2 == 0) { this.repeater.Transmit(when, duration, false) } when += duration } } /** Reset to factory defaults */ reset() { localStorage.clear() location.reload() } } function init() { if (navigator.serviceWorker) { navigator.serviceWorker.register("sw.js") } I18n.Setup() try { window.app = new VailClient() } catch (err) { console.log(err) toast(err) } } if (document.readyState === "loading") { document.addEventListener("DOMContentLoaded", init) } else { init() } // vim: noet sw=2 ts=2