64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
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/**
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Buffer from 'Tone/core/Buffer'
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import Tone from 'Tone/core/Tone'
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import events from 'events'
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const EventEmitter = events.EventEmitter
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import StartAudioContext from 'startaudiocontext'
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export default class Loader extends EventEmitter{
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constructor(container){
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super()
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const loader = document.createElement('div')
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loader.id = 'loader'
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container.appendChild(loader)
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const loaderText = document.createElement('div')
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loaderText.id = 'loaderText'
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loaderText.textContent = 'loading'
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loader.appendChild(loaderText)
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const fill = document.createElement('div')
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fill.id = 'fill'
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loader.appendChild(fill)
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const fillText = document.createElement('div')
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fillText.id = 'fillText'
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fillText.textContent = 'loading'
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fill.appendChild(fillText)
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StartAudioContext(Tone.context, loader)
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Buffer.on('load', () => {
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fillText.innerHTML = '<div id="piano"></div> <div id="play">PLAY</div>'
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loader.classList.add('clickable')
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loader.addEventListener('click', () => {
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this.emit('click')
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})
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})
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Buffer.on('progress', (prog) => {
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fill.style.width = `${(prog * 100).toFixed(2)}%`
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})
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}
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}
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