mirror of https://github.com/nealey/vail.git
483 lines
12 KiB
JavaScript
483 lines
12 KiB
JavaScript
import * as Keyers from "./keyers.mjs"
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import * as Outputs from "./outputs.mjs"
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import * as Inputs from "./inputs.mjs"
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import * as Repeaters from "./repeaters.mjs"
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import * as Chart from "./chart.mjs"
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import * as I18n from "./i18n.mjs"
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import * as time from "./time.mjs"
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import * as Music from "./music.mjs"
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const DefaultRepeater = "General"
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console.warn("Chrome will now complain about an AudioContext not being allowed to start. This is normal, and there is no way to make Chrome stop complaining about this.")
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const globalAudioContext = new AudioContext({
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latencyHint: "interactive",
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})
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/**
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* Pop up a message, using an notification.
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*
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* @param {string} msg Message to display
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*/
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function toast(msg, timeout=4*time.Second) {
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console.info(msg)
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let errors = document.querySelector("#errors")
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let p = errors.appendChild(document.createElement("p"))
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p.textContent = msg
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setTimeout(() => p.remove(), timeout)
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}
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// iOS kludge
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if (!window.AudioContext) {
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window.AudioContext = window.webkitAudioContext
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}
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class VailClient {
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constructor() {
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this.sent = []
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this.lagTimes = [0]
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this.rxDurations = [0]
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this.clockOffset = null // How badly our clock is off of the server's
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this.rxDelay = 0 * time.Millisecond // Time to add to incoming timestamps
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this.beginTxTime = null // Time when we began transmitting
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// Outputs
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this.outputs = new Outputs.Collection(globalAudioContext)
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this.outputs.connect(globalAudioContext.destination)
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// Keyers
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this.straightKeyer = new Keyers.Keyers.straight(this)
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this.keyer = new Keyers.Keyers.straight(this)
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this.roboKeyer = new Keyers.Keyers.robo(() => this.Buzz(), () => this.Silence())
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// Set up various input methods
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// Send this as the keyer so we can intercept dit and dah events for charts
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this.inputs = new Inputs.Collection(this)
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// If the user clicks anything, try immediately to resume the audio context
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document.body.addEventListener(
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"click",
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e => globalAudioContext.resume(),
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true,
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)
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// Maximize button
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for (let e of document.querySelectorAll("button.maximize")) {
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e.addEventListener("click", e => this.maximize(e))
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}
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for (let e of document.querySelectorAll("#reset")) {
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e.addEventListener("click", e => this.reset())
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}
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// Set up inputs
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this.inputInit("#keyer-mode", e => this.setKeyer(e.target.value))
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this.inputInit("#keyer-rate", e => {
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let rate = e.target.value
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this.ditDuration = Math.round(time.Minute / rate / 50)
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for (let e of document.querySelectorAll("[data-fill='keyer-ms']")) {
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e.textContent = this.ditDuration
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}
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this.keyer.SetDitDuration(this.ditDuration)
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this.roboKeyer.SetDitDuration(this.ditDuration)
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this.inputs.SetDitDuration(this.ditDuration)
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})
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this.inputInit("#rx-delay", e => {
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this.rxDelay = e.target.value * time.Second
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})
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this.inputInit("#masterGain", e => {
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this.outputs.SetGain(e.target.value / 100)
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})
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let toneTransform = {
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note: Music.MIDINoteName,
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freq: Music.MIDINoteFrequency,
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}
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this.inputInit(
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"#rx-tone",
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e => this.outputs.SetMIDINote(false, e.target.value),
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toneTransform,
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)
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this.inputInit(
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"#tx-tone",
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e => this.outputs.SetMIDINote(true, e.target.value),
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toneTransform,
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)
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this.inputInit("#telegraph-buzzer", e => {
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this.setTelegraphBuzzer(e.target.checked)
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})
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this.inputInit("#notes")
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// Fill in the name of our repeater
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document.querySelector("#repeater").addEventListener("change", e => this.setRepeater(e.target.value.trim()))
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window.addEventListener("hashchange", () => this.hashchange())
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this.hashchange()
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this.setTimingCharts(true)
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// Turn off the "muted" symbol when we can start making noise
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globalAudioContext.resume()
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.then(() => {
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for (let e of document.querySelectorAll(".muted")) {
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e.classList.add("is-hidden")
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}
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})
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}
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/**
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* Straight key change (keyer shim)
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*
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* @param down If key has been depressed
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*/
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Straight(down) {
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this.straightKeyer.Key(0, down)
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}
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/**
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* Key/paddle change
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*
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* @param {Number} key Key which was pressed
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* @param {Boolean} down True if key was pressed
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*/
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Key(key, down) {
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this.keyer.Key(key, down)
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if (this.keyCharts) this.keyCharts[key].Set(down?1:0)
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}
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setKeyer(keyerName) {
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let newKeyerClass = Keyers.Keyers[keyerName]
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let newKeyerNumber = Keyers.Numbers[keyerName]
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if (!newKeyerClass) {
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console.error("Keyer not found", keyerName)
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return
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}
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let newKeyer = new newKeyerClass(this)
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let i = 0
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for (let keyName of newKeyer.KeyNames()) {
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let e = document.querySelector(`.key[data-key="${i}"]`)
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e.textContent = keyName
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i += 1
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}
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this.keyer.Release()
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this.keyer = newKeyer
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this.inputs.SetKeyerMode(newKeyerNumber)
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document.querySelector("#keyer-rate").dispatchEvent(new Event("input"))
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}
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Buzz() {
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this.outputs.Buzz(false)
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if (this.rxChart) this.rxChart.Set(1)
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}
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Silence() {
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this.outputs.Silence()
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if (this.rxChart) this.rxChart.Set(0)
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}
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BuzzDuration(tx, when, duration) {
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this.outputs.BuzzDuration(tx, when, duration)
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let chart = tx?this.txChart:this.rxChart
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if (chart) {
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chart.SetAt(1, when)
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chart.SetAt(0, when+duration)
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}
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}
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/**
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* Start the side tone buzzer.
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*
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* Called from the keyer.
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*/
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BeginTx() {
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this.beginTxTime = Date.now()
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this.outputs.Buzz(true)
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if (this.txChart) this.txChart.Set(1)
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}
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/**
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* Stop the side tone buzzer, and send out how long it was active.
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*
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* Called from the keyer
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*/
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EndTx() {
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if (!this.beginTxTime) {
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return
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}
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let endTxTime = Date.now()
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let duration = endTxTime - this.beginTxTime
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this.outputs.Silence(true)
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this.repeater.Transmit(this.beginTxTime, duration)
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this.beginTxTime = null
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if (this.txChart) this.txChart.Set(0)
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}
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/**
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* Toggle timing charts.
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*
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* @param enable True to enable charts
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*/
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setTimingCharts(enable) {
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// XXX: UI code shouldn't be in the Keyer class.
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// Actually, the charts calls should be in vail
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let chartsContainer = document.querySelector("#charts")
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if (!chartsContainer) {
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return
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}
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if (enable) {
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chartsContainer.classList.remove("hidden")
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this.keyCharts = [
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Chart.FromSelector("#key0Chart"),
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Chart.FromSelector("#key1Chart")
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]
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this.txChart = Chart.FromSelector("#txChart")
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this.rxChart = Chart.FromSelector("#rxChart")
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} else {
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chartsContainer.classList.add("hidden")
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this.keyCharts = []
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this.txChart = null
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this.rxChart = null
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}
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}
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/**
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* Toggle the clicktastic buzzer, instead of the beeptastic one.
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*
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* @param {bool} enable true to enable clicky buzzer
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*/
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setTelegraphBuzzer(enable) {
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if (enable) {
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this.outputs.SetAudioType("telegraph")
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toast("Telegraphs only make sound when receiving!")
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} else {
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this.outputs.SetAudioType()
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}
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}
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/**
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* Called when the hash part of the URL has changed.
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*/
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hashchange() {
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let hashParts = window.location.hash.split("#")
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this.setRepeater(decodeURIComponent(hashParts[1] || ""))
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}
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/**
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* Connect to a repeater by name.
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*
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* This does some switching logic to provide multiple types of repeaters,
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* like the Fortunes repeaters.
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*
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* @param {string} name Repeater name
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*/
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setRepeater(name) {
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if (!name || (name == "")) {
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name = DefaultRepeater
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}
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this.repeaterName = name
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// Set value of repeater element
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let repeaterElement = document.querySelector("#repeater")
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let paps = repeaterElement.parentElement
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if (paps.MaterialTextfield) {
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paps.MaterialTextfield.change(name)
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} else {
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repeaterElement.value = name
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}
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// Set window URL
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let prevHash = window.location.hash
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window.location.hash = (name == DefaultRepeater) ? "" : name
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if (window.location.hash != prevHash) {
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// We're going to get a hashchange event, which will re-run this method
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return
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}
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if (this.repeater) {
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this.repeater.Close()
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}
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let rx = (w,d,s) => this.receive(w,d,s)
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// If there's a number in the name, store that for potential later use
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let numberMatch = name.match(/[0-9]+/)
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let number = 0
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if (numberMatch) {
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number = Number(numberMatch[0])
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}
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if (name.startsWith("Fortunes")) {
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this.roboKeyer.SetPauseMultiplier(number || 1)
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this.repeater = new Repeaters.Fortune(rx, this.roboKeyer)
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} else if (name.startsWith("Echo")) {
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this.repeater = new Repeaters.Echo(rx)
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} else if (name == "Null") {
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this.repeater = new Repeaters.Null(rx)
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} else {
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this.repeater = new Repeaters.Vail(rx, name)
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}
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}
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/**
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* Set up an HTML input element.
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*
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* This reads any previously saved value and sets the input value to that.
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* When the input is updated, it saves the value it's updated to,
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* and calls the provided callback with the new value.
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*
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* @param {string} selector CSS path to the element
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* @param {function} callback Callback to call with any new value that is set
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* @param {Object.<string, function>} transform Transform functions
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*/
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inputInit(selector, callback, transform={}) {
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let element = document.querySelector(selector)
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if (!element) {
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console.warn("Unable to find an input to init", selector)
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return
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}
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let storedValue = localStorage[element.id]
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if (storedValue != null) {
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element.value = storedValue
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element.checked = (storedValue == "on")
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}
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let id = element.id
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let outputElements = document.querySelectorAll(`[for="${id}"]`)
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element.addEventListener("input", e => {
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let value = element.value
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if (element.type == "checkbox") {
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value = element.checked?"on":"off"
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}
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localStorage[element.id] = value
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for (let e of outputElements) {
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if (e.dataset.transform) {
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let tf = transform[e.dataset.transform]
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e.value = tf(value)
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} else {
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e.value = value
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}
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}
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if (callback) {
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callback(e)
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}
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})
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element.dispatchEvent(new Event("input"))
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}
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/**
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* Make an error sound and pop up a message
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*
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* @param {string} msg The message to pop up
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*/
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error(msg) {
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toast(msg)
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this.outputs.Error()
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}
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/**
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* Called by a repeater class when there's something received.
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*
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* @param {number} when When to play the tone
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* @param {number} duration How long to play the tone
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* @param {dict} stats Stuff the repeater class would like us to know about
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*/
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receive(when, duration, stats) {
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this.clockOffset = stats.clockOffset || "?"
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let now = Date.now()
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when += this.rxDelay
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if (duration > 0) {
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if (when < now) {
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console.warn("Too old", when, duration)
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this.error("Packet requested playback " + (now - when) + "ms in the past. Increase receive delay!")
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return
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}
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this.BuzzDuration(false, when, duration)
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this.rxDurations.unshift(duration)
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this.rxDurations.splice(20, 2)
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}
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if (stats.notice) {
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toast(stats.notice)
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}
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let averageLag = (stats.averageLag || 0).toFixed(2)
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let longestRxDuration = this.rxDurations.reduce((a,b) => Math.max(a,b))
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let suggestedDelay = ((averageLag + longestRxDuration) * 1.2).toFixed(0)
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if (stats.connected !== undefined) {
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this.outputs.SetConnected(stats.connected)
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}
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this.updateReading("#note", stats.note || stats.clients || "😎")
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this.updateReading("#lag-value", averageLag)
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this.updateReading("#longest-rx-value", longestRxDuration)
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this.updateReading("#suggested-delay-value", suggestedDelay)
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this.updateReading("#clock-off-value", this.clockOffset)
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}
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/**
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* Update an element with a value, if that element exists
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*
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* @param {string} selector CSS path to the element
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* @param value Value to set
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*/
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updateReading(selector, value) {
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let e = document.querySelector(selector)
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if (e) {
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e.value = value
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}
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}
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/**
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* Maximize/minimize a card
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*
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* @param e Event
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*/
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maximize(e) {
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let element = e.target
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while (!element.classList.contains("mdl-card")) {
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element = element.parentElement
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if (!element) {
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console.log("Maximize button: couldn't find parent card")
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return
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}
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}
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element.classList.toggle("maximized")
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console.log(element)
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}
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/** Reset to factory defaults */
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reset() {
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localStorage.clear()
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location.reload()
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}
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}
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function init() {
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if (navigator.serviceWorker) {
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navigator.serviceWorker.register("scripts/sw.js")
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}
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I18n.Setup()
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try {
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window.app = new VailClient()
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} catch (err) {
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console.log(err)
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toast(err)
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}
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init)
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} else {
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init()
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}
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// vim: noet sw=2 ts=2
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