237 lines
8.4 KiB
JavaScript
237 lines
8.4 KiB
JavaScript
module.exports = TorrentList
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var h = require('virtual-dom/h')
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var hyperx = require('hyperx')
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var hx = hyperx(h)
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var prettyBytes = require('prettier-bytes')
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var TorrentPlayer = require('../lib/torrent-player')
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function TorrentList (state, dispatch) {
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var torrentRows = state.saved.torrents.map(
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(torrentSummary) => renderTorrent(torrentSummary))
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return hx`
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<div class='torrent-list'>
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${torrentRows}
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<div class='torrent-placeholder'>
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<span class='ellipsis'>Drop a torrent file here or paste a magnet link</span>
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</div>
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</div>`
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// Renders a torrent in the torrent list
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// Includes name, download status, play button, background image
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// May be expanded for additional info, including the list of files inside
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function renderTorrent (torrentSummary) {
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// Get ephemeral data (like progress %) directly from the WebTorrent handle
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var infoHash = torrentSummary.infoHash
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var torrent = state.client.torrents.find((x) => x.infoHash === infoHash)
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var isSelected = state.selectedInfoHash === infoHash
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// Background image: show some nice visuals, like a frame from the movie, if possible
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var style = {}
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if (torrentSummary.posterURL) {
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var gradient = isSelected
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? 'linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%)'
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: 'linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%)'
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// Work around a Chrome bug (reproduced in vanilla Chrome, not just Electron):
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// Backslashes in URLS in CSS cause bizarre string encoding issues
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var cleanURL = torrentSummary.posterURL.replace(/\\/g, '/')
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style.backgroundImage = gradient + `, url('${cleanURL}')`
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}
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// Foreground: name of the torrent, basic info like size, play button,
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// cast buttons if available, and delete
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var classes = ['torrent']
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// playStatus turns the play button into a loading spinner or error icon
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if (torrentSummary.playStatus) classes.push(torrentSummary.playStatus)
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if (isSelected) classes.push('selected')
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classes = classes.join(' ')
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return hx`
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<div style=${style} class=${classes} onclick=${() => dispatch('toggleSelectTorrent', infoHash)}>
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${renderTorrentMetadata(torrent, torrentSummary)}
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${renderTorrentButtons(torrentSummary)}
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${isSelected ? renderTorrentDetails(torrent, torrentSummary) : ''}
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</div>
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`
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}
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// Show name, download status, % complete
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function renderTorrentMetadata (torrent, torrentSummary) {
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var name = torrentSummary.name || 'Loading torrent...'
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var elements = [hx`
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<div class='name ellipsis'>${name}</div>
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`]
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// If a torrent is paused and we only get the torrentSummary
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// If it's downloading/seeding then we have more information
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if (torrent) {
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var progress = Math.floor(100 * torrent.progress)
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var downloaded = prettyBytes(torrent.downloaded)
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var total = prettyBytes(torrent.length || 0)
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if (downloaded !== total) downloaded += ` / ${total}`
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elements.push(hx`
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<div class='status ellipsis'>
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${getFilesLength()}
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<span>${getPeers()}</span>
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<span>↓ ${prettyBytes(torrent.downloadSpeed || 0)}/s</span>
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<span>↑ ${prettyBytes(torrent.uploadSpeed || 0)}/s</span>
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</div>
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`)
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elements.push(hx`
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<div class='status2 ellipsis'>
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<span class='progress'>${progress}%</span>
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<span>${downloaded}</span>
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</div>
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`)
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}
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return hx`<div class='metadata'>${elements}</div>`
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function getPeers () {
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var count = torrent.numPeers === 1 ? 'peer' : 'peers'
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return `${torrent.numPeers} ${count}`
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}
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function getFilesLength () {
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if (torrent.ready && torrent.files.length > 1) {
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return hx`<span class='files'>${torrent.files.length} files</span>`
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}
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}
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}
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// Download button toggles between torrenting (DL/seed) and paused
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// Play button starts streaming the torrent immediately, unpausing if needed
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function renderTorrentButtons (torrentSummary) {
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var playIcon, playTooltip
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if (torrentSummary.playStatus === 'unplayable') {
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playIcon = 'warning'
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playTooltip = 'Sorry, WebTorrent can\'t play any of the files in this torrent. ' +
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'View details and click on individual files to open them in another program.'
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} else if (torrentSummary.playStatus === 'timeout') {
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playIcon = 'warning'
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playTooltip = 'Playback timed out. No seeds? No internet? Click to try again.'
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} else {
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playIcon = 'play_arrow'
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playTooltip = 'Start streaming'
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}
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var downloadIcon, downloadTooltip
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if (torrentSummary.status === 'seeding') {
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downloadIcon = 'file_upload'
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downloadTooltip = 'Seeding. Click to stop.'
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} else if (torrentSummary.status === 'downloading') {
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downloadIcon = 'file_download'
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downloadTooltip = 'Torrenting. Click to stop.'
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} else {
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downloadIcon = 'file_download'
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downloadTooltip = 'Click to start torrenting.'
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}
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return hx`
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<div class='buttons'>
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<i.btn.icon.play
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title='${playTooltip}'
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onclick=${(e) => handleButton('play', e)}>
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${playIcon}
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</i>
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<i.btn.icon.download
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class='${torrentSummary.status}'
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title='${downloadTooltip}'
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onclick=${(e) => handleButton('toggleTorrent', e)}>
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${downloadIcon}
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</i>
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<i
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class='icon delete'
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title='Remove torrent'
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onclick=${(e) => handleButton('deleteTorrent', e)}>
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close
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</i>
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</div>
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`
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function handleButton (action, e) {
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// Prevent propagation so that we don't select/unselect the torrent
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e.stopPropagation()
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dispatch(action, torrentSummary)
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}
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}
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// Show files, per-file download status and play buttons, and so on
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function renderTorrentDetails (torrent, torrentSummary) {
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var filesElement
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if (!torrentSummary.files) {
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// We don't know what files this torrent contains
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var message = torrent
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? 'Downloading torrent data using magnet link...'
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: 'Failed to download torrent data from magnet link. Click the download button to try again...'
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filesElement = hx`<div class='files warning'>${message}</div>`
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} else {
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// We do know the files. List them and show download stats for each one
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var fileRows = torrentSummary.files.map(
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(file, index) => renderFileRow(torrent, torrentSummary, file, index))
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filesElement = hx`
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<div class='files'>
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<strong>Files</strong>
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<span class='open-folder' onclick=${handleOpenFolder}>Open folder</span>
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<table>
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${fileRows}
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</table>
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</div>
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`
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}
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return hx`
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<div class='torrent-details'>
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${filesElement}
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</div>
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`
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function handleOpenFolder (e) {
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e.stopPropagation()
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dispatch('openFolder', torrentSummary)
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}
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}
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// Show a single torrentSummary file in the details view for a single torrent
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function renderFileRow (torrent, torrentSummary, file, index) {
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// First, find out how much of the file we've downloaded
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var isDone = file.numPiecesPresent === file.numPieces
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var progress = Math.round(100 * file.numPiecesPresent / (file.numPieces || 0)) + '%'
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// Second, render the file as a table row
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var icon
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var rowClass = ''
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if (state.playing.infoHash === torrentSummary.infoHash && state.playing.fileIndex === index) {
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icon = 'pause_arrow' /* playing? add option to pause */
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} else if (TorrentPlayer.isPlayable(file)) {
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icon = 'play_arrow' /* playable? add option to play */
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} else {
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icon = 'description' /* file icon, opens in OS default app */
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rowClass = isDone ? '' : 'disabled'
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}
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return hx`
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<tr onclick=${handleClick} class='${rowClass}'>
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<td class='col-icon'>
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<i class='icon'>${icon}</i>
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</td>
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<td class='col-name'>${file.name}</td>
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<td class='col-progress'>${progress}</td>
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<td class='col-size'>${prettyBytes(file.length)}</td>
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</tr>
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`
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// Finally, let the user click on the row to play media or open files
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function handleClick (e) {
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e.stopPropagation()
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if (icon === 'pause_arrow') {
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throw new Error('Unimplemented') // TODO: pause audio
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} else if (icon === 'play_arrow') {
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dispatch('play', torrentSummary, index)
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} else if (isDone) {
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dispatch('openFile', torrentSummary, index)
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}
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}
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}
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}
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