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import * as Config from 'config'
import * as Step from 'step'
import * as Arc from 'arc'
import * as Router from 'router'
import * as Audio from 'audio'
import h from 'h'
let interval: number | undefined = undefined
const endDuration: number = 4
export function clearInterval() {
if (interval !== undefined) {
window.clearInterval(interval)
interval = undefined
}
}
interface State {
isPlaying: boolean,
elapsed: number
}
export function view(config: Config.Config, showPage: (route: Router.Route) => void) {
const formUrl = `${Router.toString({ name: 'form', config })}`
const duration = Config.getDuration(config)
// State
let state = {
isPlaying: true,
elapsed: 0
}
// Elements
const initStep = Step.getAt(config, state.elapsed)
const section = h('section', { className: timerClass(initStep) })
const stepElt = document.createTextNode(Step.prettyPrint(initStep))
const arcPathElt = h('path', { class: 'g-Timer__ArcProgress' })
const updateDom = () => {
const step = Step.getAt(config, state.elapsed)
const angle = Math.min(359.999, state.elapsed / duration * 360)
arcPathElt.setAttribute("d", Arc.describe(0, 0, 90, 0, angle))
section.className = timerClass(step)
stepElt.textContent = Step.prettyPrint(step)
Audio.playFromStep(config, step, state.elapsed)
}
const quit = () => {
const formRoute: Router.Route = { name: 'form', config }
history.pushState({}, '', Router.toString(formRoute))
clearInterval()
showPage(formRoute)
}
const update = () => {
if (state.isPlaying) {
state.elapsed = state.elapsed + 1
state.elapsed >= duration + endDuration
? quit()
: updateDom()
}
}
// Start timer
if (interval !== undefined) {
window.clearInterval(interval)
interval = undefined
}
interval = window.setInterval(update, 1000)
// Play initial audio
Audio.playFromStep(config, initStep, state.elapsed)
section.append(
h('div',
{ className: 'g-Timer__Dial' },
h('svg',
{ class: 'g-Timer__Arc',
viewBox: '-100 -100 200 200'
},
h('path',
{ class: 'g-Timer__ArcTotal',
d: Arc.describe(0, 0, 90.0, 0, 359.999)
}
),
...arcPaths(config),
arcPathElt
),
stepElt
),
h('div',
{ className: 'g-Timer__Buttons' },
h('button',
{ className: 'g-Button',
onclick: (e: MouseEvent) => {
state.isPlaying = !state.isPlaying
const elt = e.target as HTMLElement
elt.textContent = state.isPlaying
? 'pause'
: 'resume'
elt.className = state.isPlaying
? 'g-Button'
: 'g-Button g-Button--Active'
}
},
'Pause'
),
h('a',
{ className: 'g-Button',
href: formUrl
},
'Quit'
)
)
)
return section
}
function arcPaths(config: Config.Config): Element[] {
const paths = []
let t = 0
const totalDuration = Config.getDuration(config)
let arc = (kind: string, duration: number): Element => {
const startAngle = 360 * t / totalDuration
const endAngle = Math.min(360 * (t + duration) / totalDuration, 359.999)
t += duration
return h('path',
{ class: `g-Timer__Arc${kind}`,
d: Arc.describe(0, 0, 90.0, startAngle, endAngle)
}
)
}
if (config.warmup > 0) {
paths.push(arc('WarmUp', config.warmup))
}
for (let tabata = 0; tabata < config.tabatas.length; tabata++) {
paths.push(arc('Prepare', config.prepare))
for (let cycle = 0; cycle < config.cycles; cycle++) {
paths.push(arc('Work', config.work))
paths.push(arc('Rest', config.rest))
}
}
return paths
}
function timerClass(step: Step.Step): string {
switch (step.name) {
case 'warmup':
return 'g-Layout__Page g-Timer g-Timer--WarmUp'
case 'prepare':
return 'g-Layout__Page g-Timer g-Timer--Prepare'
case 'work':
return 'g-Layout__Page g-Timer g-Timer--Work'
case 'rest':
return 'g-Layout__Page g-Timer g-Timer--Rest'
case 'end':
return 'g-Layout__Page g-Timer'
}
}
|
