Merge branch 'master' into playback-priority

# Conflicts:
#	src/renderer/controllers/playback-controller.js
#	src/renderer/controllers/torrent-list-controller.js
#	src/renderer/main.js

src/renderer/pages/App.js

@@ -1,111 +0,0 @@
-const colors = require('material-ui/styles/colors')
-const React = require('react')
-
-const darkBaseTheme = require('material-ui/styles/baseThemes/darkBaseTheme').default
-const getMuiTheme = require('material-ui/styles/getMuiTheme').default
-const MuiThemeProvider = require('material-ui/styles/MuiThemeProvider').default
-
-const Header = require('../components/Header')
-
-const Views = {
-  'home': require('./TorrentListPage'),
-  'player': require('./PlayerPage'),
-  'create-torrent': require('./CreateTorrentPage'),
-  'preferences': require('./PreferencesPage')
-}
-
-const Modals = {
-  'open-torrent-address-modal': require('../components/open-torrent-address-modal'),
-  'remove-torrent-modal': require('../components/remove-torrent-modal'),
-  'update-available-modal': require('../components/update-available-modal'),
-  'unsupported-media-modal': require('../components/unsupported-media-modal')
-}
-
-darkBaseTheme.fontFamily = process.platform === 'win32'
-  ? '"Segoe UI", sans-serif'
-  : 'BlinkMacSystemFont, "Helvetica Neue", Helvetica, sans-serif'
-darkBaseTheme.palette.primary1Color = colors.cyan500
-darkBaseTheme.palette.primary2Color = colors.cyan500
-darkBaseTheme.palette.primary3Color = colors.grey600
-darkBaseTheme.palette.accent1Color = colors.redA200
-darkBaseTheme.palette.accent2Color = colors.redA400
-darkBaseTheme.palette.accent3Color = colors.redA100
-
-class App extends React.Component {
-  render () {
-    var state = this.props.state
-
-    // Hide player controls while playing video, if the mouse stays still for a while
-    // Never hide the controls when:
-    // * The mouse is over the controls or we're scrubbing (see CSS)
-    // * The video is paused
-    // * The video is playing remotely on Chromecast or Airplay
-    var hideControls = state.location.url() === 'player' &&
-      state.playing.mouseStationarySince !== 0 &&
-      new Date().getTime() - state.playing.mouseStationarySince > 2000 &&
-      !state.playing.isPaused &&
-      state.playing.location === 'local' &&
-      state.playing.playbackRate === 1
-
-    var cls = [
-      'view-' + state.location.url(), /* e.g. view-home, view-player */
-      'is-' + process.platform /* e.g. is-darwin, is-win32, is-linux */
-    ]
-    if (state.window.isFullScreen) cls.push('is-fullscreen')
-    if (state.window.isFocused) cls.push('is-focused')
-    if (hideControls) cls.push('hide-video-controls')
-
-    var vdom = (
-      <MuiThemeProvider muiTheme={getMuiTheme(darkBaseTheme)}>
-        <div className={'app ' + cls.join(' ')}>
-          <Header state={state} />
-          {this.getErrorPopover()}
-          <div key='content' className='content'>{this.getView()}</div>
-          {this.getModal()}
-        </div>
-      </MuiThemeProvider>
-    )
-
-    return vdom
-  }
-
-  getErrorPopover () {
-    var state = this.props.state
-    var now = new Date().getTime()
-    var recentErrors = state.errors.filter((x) => now - x.time < 5000)
-    var hasErrors = recentErrors.length > 0
-
-    var errorElems = recentErrors.map(function (error, i) {
-      return (<div key={i} className='error'>{error.message}</div>)
-    })
-    return (
-      <div key='errors'
-        className={'error-popover ' + (hasErrors ? 'visible' : 'hidden')}>
-        <div key='title' className='title'>Error</div>
-        {errorElems}
-      </div>
-    )
-  }
-
-  getModal () {
-    var state = this.props.state
-    if (!state.modal) return
-    var ModalContents = Modals[state.modal.id]
-    return (
-      <div key='modal' className='modal'>
-        <div key='modal-background' className='modal-background' />
-        <div key='modal-content' className='modal-content'>
-          <ModalContents state={state} />
-        </div>
-      </div>
-    )
-  }
-
-  getView () {
-    var state = this.props.state
-    var View = Views[state.location.url()]
-    return (<View state={state} />)
-  }
-}
-
-module.exports = App

src/renderer/pages/CreateTorrentPage.js

@@ -1,171 +0,0 @@
-const createTorrent = require('create-torrent')
-const path = require('path')
-const prettyBytes = require('prettier-bytes')
-const React = require('react')
-
-const {dispatch, dispatcher} = require('../lib/dispatcher')
-
-const FlatButton = require('material-ui/FlatButton').default
-const RaisedButton = require('material-ui/RaisedButton').default
-const TextField = require('material-ui/TextField').default
-
-const CreateTorrentErrorPage = require('../components/create-torrent-error-page')
-const Heading = require('../components/Heading')
-const ShowMore = require('../components/ShowMore')
-
-class CreateTorrentPage extends React.Component {
-  constructor (props) {
-    super(props)
-
-    var state = this.props.state
-    var info = state.location.current()
-
-    // Preprocess: exclude .DS_Store and other dotfiles
-    var files = info.files
-      .filter((f) => !f.name.startsWith('.'))
-      .map((f) => ({name: f.name, path: f.path, size: f.size}))
-    if (files.length === 0) return (<CreateTorrentErrorPage state={state} />)
-
-    // First, extract the base folder that the files are all in
-    var pathPrefix = info.folderPath
-    if (!pathPrefix) {
-      pathPrefix = files.map((x) => x.path).reduce(findCommonPrefix)
-      if (!pathPrefix.endsWith('/') && !pathPrefix.endsWith('\\')) {
-        pathPrefix = path.dirname(pathPrefix)
-      }
-    }
-
-    // Sanity check: show the number of files and total size
-    var numFiles = files.length
-    var totalBytes = files
-      .map((f) => f.size)
-      .reduce((a, b) => a + b, 0)
-    var torrentInfo = `${numFiles} files, ${prettyBytes(totalBytes)}`
-
-    // Then, use the name of the base folder (or sole file, for a single file torrent)
-    // as the default name. Show all files relative to the base folder.
-    var defaultName, basePath
-    if (files.length === 1) {
-      // Single file torrent: /a/b/foo.jpg -> torrent name 'foo.jpg', path '/a/b'
-      defaultName = files[0].name
-      basePath = pathPrefix
-    } else {
-      // Multi file torrent: /a/b/{foo, bar}.jpg -> torrent name 'b', path '/a'
-      defaultName = path.basename(pathPrefix)
-      basePath = path.dirname(pathPrefix)
-    }
-    var maxFileElems = 100
-    var fileElems = files.slice(0, maxFileElems).map(function (file, i) {
-      var relativePath = files.length === 0 ? file.name : path.relative(pathPrefix, file.path)
-      return (<div key={i}>{relativePath}</div>)
-    })
-    if (files.length > maxFileElems) {
-      fileElems.push(<div key='more'>+ {maxFileElems - files.length} more</div>)
-    }
-    var trackers = createTorrent.announceList.join('\n')
-
-    this.state = {
-      basePath,
-      defaultName,
-      fileElems,
-      torrentInfo,
-      trackers
-    }
-  }
-
-  handleSubmit () {
-    var announceList = document.querySelector('.torrent-trackers').value
-      .split('\n')
-      .map((s) => s.trim())
-      .filter((s) => s !== '')
-    var isPrivate = document.querySelector('.torrent-is-private').checked
-    var comment = document.querySelector('.torrent-comment').value.trim()
-    var options = {
-      // We can't let the user choose their own name if we want WebTorrent
-      // to use the files in place rather than creating a new folder.
-      // If we ever want to add support for that:
-      // name: document.querySelector('.torrent-name').value
-      name: this.state.defaultName,
-      path: this.state.basePath,
-      files: this.state.files,
-      announce: announceList,
-      private: isPrivate,
-      comment: comment
-    }
-    dispatch('createTorrent', options)
-  }
-
-  render () {
-    return (
-      <div className='create-torrent'>
-        <Heading level={1}>
-          Create torrent "{this.state.defaultName}"
-        </Heading>
-        <div className='torrent-info'>
-          {this.state.torrentInfo}
-        </div>
-        <div className='torrent-attribute'>
-          <label>Path:</label>
-          <div className='torrent-attribute'>{this.state.pathPrefix}</div>
-        </div>
-        <ShowMore
-          style={{
-            marginBottom: 10
-          }}
-          hideLabel='Hide advanced settings...'
-          showLabel='Show advanced settings...'
-        >
-          <div key='advanced' className='create-torrent-advanced'>
-            <div key='private' className='torrent-attribute'>
-              <label>Private:</label>
-              <input type='checkbox' className='torrent-is-private' value='torrent-is-private' />
-            </div>
-            <Heading level={2}>Trackers:</Heading>
-            <TextField
-              className='torrent-trackers'
-              hintText='Tracker'
-              multiLine
-              rows={2}
-              rowsMax={10}
-              defaultValue={this.state.trackers}
-            />
-            <div key='comment' className='torrent-attribute'>
-              <label>Comment:</label>
-              <textarea className='torrent-attribute torrent-comment' />
-            </div>
-            <div key='files' className='torrent-attribute'>
-              <label>Files:</label>
-              <div>{this.state.fileElems}</div>
-            </div>
-          </div>
-        </ShowMore>
-        <div className='float-right'>
-          <FlatButton
-            label='Cancel'
-            style={{
-              marginRight: 10
-            }}
-            onClick={dispatcher('cancel')}
-          />
-          <RaisedButton
-            label='Create Torrent'
-            primary
-            onClick={this.handleSubmit}
-          />
-        </div>
-      </div>
-    )
-  }
-}
-
-// Finds the longest common prefix
-function findCommonPrefix (a, b) {
-  for (var i = 0; i < a.length && i < b.length; i++) {
-    if (a.charCodeAt(i) !== b.charCodeAt(i)) break
-  }
-  if (i === a.length) return a
-  if (i === b.length) return b
-  return a.substring(0, i)
-}
-
-module.exports = CreateTorrentPage

src/renderer/pages/app.js

@@ -0,0 +1,130 @@
+const colors = require('material-ui/styles/colors')
+const createGetter = require('fn-getter')
+const React = require('react')
+
+const darkBaseTheme = require('material-ui/styles/baseThemes/darkBaseTheme').default
+const getMuiTheme = require('material-ui/styles/getMuiTheme').default
+const MuiThemeProvider = require('material-ui/styles/MuiThemeProvider').default
+
+const Header = require('../components/header')
+
+// Perf optimization: Needed immediately, so do not lazy load it below
+const TorrentListPage = require('./torrent-list-page')
+
+const Views = {
+  'home': createGetter(() => TorrentListPage),
+  'player': createGetter(() => require('./player-page')),
+  'create-torrent': createGetter(() => require('./create-torrent-page')),
+  'preferences': createGetter(() => require('./preferences-page'))
+}
+
+const Modals = {
+  'open-torrent-address-modal': createGetter(
+    () => require('../components/open-torrent-address-modal')
+  ),
+  'remove-torrent-modal': createGetter(() => require('../components/remove-torrent-modal')),
+  'update-available-modal': createGetter(() => require('../components/update-available-modal')),
+  'unsupported-media-modal': createGetter(() => require('../components/unsupported-media-modal'))
+}
+
+const fontFamily = process.platform === 'win32'
+  ? '"Segoe UI", sans-serif'
+  : 'BlinkMacSystemFont, "Helvetica Neue", Helvetica, sans-serif'
+
+darkBaseTheme.fontFamily = fontFamily
+darkBaseTheme.userAgent = false
+darkBaseTheme.palette.primary1Color = colors.grey50
+darkBaseTheme.palette.primary2Color = colors.grey50
+darkBaseTheme.palette.primary3Color = colors.grey600
+darkBaseTheme.palette.accent1Color = colors.redA200
+darkBaseTheme.palette.accent2Color = colors.redA400
+darkBaseTheme.palette.accent3Color = colors.redA100
+
+let darkMuiTheme
+let lightMuiTheme
+
+class App extends React.Component {
+  render () {
+    const state = this.props.state
+
+    // Hide player controls while playing video, if the mouse stays still for a while
+    // Never hide the controls when:
+    // * The mouse is over the controls or we're scrubbing (see CSS)
+    // * The video is paused
+    // * The video is playing remotely on Chromecast or Airplay
+    const hideControls = state.shouldHidePlayerControls()
+
+    const cls = [
+      'view-' + state.location.url(), /* e.g. view-home, view-player */
+      'is-' + process.platform /* e.g. is-darwin, is-win32, is-linux */
+    ]
+    if (state.window.isFullScreen) cls.push('is-fullscreen')
+    if (state.window.isFocused) cls.push('is-focused')
+    if (hideControls) cls.push('hide-video-controls')
+
+    if (!darkMuiTheme) {
+      darkMuiTheme = getMuiTheme(darkBaseTheme)
+    }
+
+    return (
+      <MuiThemeProvider muiTheme={darkMuiTheme}>
+        <div className={'app ' + cls.join(' ')}>
+          <Header state={state} />
+          {this.getErrorPopover()}
+          <div key='content' className='content'>{this.getView()}</div>
+          {this.getModal()}
+        </div>
+      </MuiThemeProvider>
+    )
+  }
+
+  getErrorPopover () {
+    const state = this.props.state
+    const now = new Date().getTime()
+    const recentErrors = state.errors.filter((x) => now - x.time < 5000)
+    const hasErrors = recentErrors.length > 0
+
+    const errorElems = recentErrors.map(function (error, i) {
+      return (<div key={i} className='error'>{error.message}</div>)
+    })
+    return (
+      <div key='errors'
+        className={'error-popover ' + (hasErrors ? 'visible' : 'hidden')}>
+        <div key='title' className='title'>Error</div>
+        {errorElems}
+      </div>
+    )
+  }
+
+  getModal () {
+    const state = this.props.state
+    if (!state.modal) return
+
+    if (!lightMuiTheme) {
+      const lightBaseTheme = require('material-ui/styles/baseThemes/lightBaseTheme').default
+      lightBaseTheme.fontFamily = fontFamily
+      lightBaseTheme.userAgent = false
+      lightMuiTheme = getMuiTheme(lightBaseTheme)
+    }
+
+    const ModalContents = Modals[state.modal.id]()
+    return (
+      <MuiThemeProvider muiTheme={lightMuiTheme}>
+        <div key='modal' className='modal'>
+          <div key='modal-background' className='modal-background' />
+          <div key='modal-content' className='modal-content'>
+            <ModalContents state={state} />
+          </div>
+        </div>
+      </MuiThemeProvider>
+    )
+  }
+
+  getView () {
+    const state = this.props.state
+    const View = Views[state.location.url()]()
+    return (<View state={state} />)
+  }
+}
+
+module.exports = App

src/renderer/pages/create-torrent-page.js

@@ -0,0 +1,216 @@
+const createTorrent = require('create-torrent')
+const path = require('path')
+const prettyBytes = require('prettier-bytes')
+const React = require('react')
+
+const {dispatch, dispatcher} = require('../lib/dispatcher')
+
+const FlatButton = require('material-ui/FlatButton').default
+const RaisedButton = require('material-ui/RaisedButton').default
+const TextField = require('material-ui/TextField').default
+const Checkbox = require('material-ui/Checkbox').default
+
+const CreateTorrentErrorPage = require('../components/create-torrent-error-page')
+const Heading = require('../components/heading')
+const ShowMore = require('../components/show-more')
+
+// Shows a basic UI to create a torrent, from an already-selected file or folder.
+// Includes a "Show Advanced..." button and more advanced UI.
+class CreateTorrentPage extends React.Component {
+  constructor (props) {
+    super(props)
+
+    const state = this.props.state
+    const info = state.location.current()
+
+    // First, extract the base folder that the files are all in
+    let pathPrefix = info.folderPath
+    if (!pathPrefix) {
+      pathPrefix = info.files.map((x) => x.path).reduce(findCommonPrefix)
+      if (!pathPrefix.endsWith('/') && !pathPrefix.endsWith('\\')) {
+        pathPrefix = path.dirname(pathPrefix)
+      }
+    }
+
+    // Then, exclude .DS_Store and other dotfiles
+    const files = info.files
+      .filter((f) => !containsDots(f.path, pathPrefix))
+      .map((f) => ({name: f.name, path: f.path, size: f.size}))
+    if (files.length === 0) return (<CreateTorrentErrorPage state={state} />)
+
+    // Then, use the name of the base folder (or sole file, for a single file torrent)
+    // as the default name. Show all files relative to the base folder.
+    let defaultName, basePath
+    if (files.length === 1) {
+      // Single file torrent: /a/b/foo.jpg -> torrent name 'foo.jpg', path '/a/b'
+      defaultName = files[0].name
+      basePath = pathPrefix
+    } else {
+      // Multi file torrent: /a/b/{foo, bar}.jpg -> torrent name 'b', path '/a'
+      defaultName = path.basename(pathPrefix)
+      basePath = path.dirname(pathPrefix)
+    }
+
+    // Default trackers
+    const trackers = createTorrent.announceList.join('\n')
+
+    this.state = {
+      comment: '',
+      isPrivate: false,
+      pathPrefix,
+      basePath,
+      defaultName,
+      files,
+      trackers
+    }
+
+    // Create React event handlers only once
+    this.setIsPrivate = (_, isPrivate) => this.setState({isPrivate})
+    this.setComment = (_, comment) => this.setState({comment})
+    this.setTrackers = (_, trackers) => this.setState({trackers})
+    this.handleSubmit = handleSubmit.bind(this)
+  }
+
+  render () {
+    const files = this.state.files
+
+    // Sanity check: show the number of files and total size
+    const numFiles = files.length
+    const totalBytes = files
+      .map((f) => f.size)
+      .reduce((a, b) => a + b, 0)
+    const torrentInfo = `${numFiles} files, ${prettyBytes(totalBytes)}`
+
+    return (
+      <div className='create-torrent'>
+        <Heading level={1}>Create torrent {this.state.defaultName}</Heading>
+        <div className='torrent-info'>{torrentInfo}</div>
+        <div className='torrent-attribute'>
+          <label>Path:</label>
+          <div>{this.state.pathPrefix}</div>
+        </div>
+        <ShowMore
+          style={{
+            marginBottom: 10
+          }}
+          hideLabel='Hide advanced settings...'
+          showLabel='Show advanced settings...'>
+          {this.renderAdvanced()}
+        </ShowMore>
+        <div className='float-right'>
+          <FlatButton
+            className='control cancel'
+            label='Cancel'
+            style={{
+              marginRight: 10
+            }}
+            onClick={dispatcher('cancel')} />
+          <RaisedButton
+            className='control create-torrent-button'
+            label='Create Torrent'
+            primary
+            onClick={this.handleSubmit} />
+        </div>
+      </div>
+    )
+  }
+
+  // Renders everything after clicking Show Advanced...:
+  // * Is Private? (private torrents, not announced to DHT)
+  // * Announce list (trackers)
+  // * Comment
+  renderAdvanced () {
+    // Create file list
+    const maxFileElems = 100
+    const files = this.state.files
+    const fileElems = files.slice(0, maxFileElems).map((file, i) => {
+      const relativePath = path.relative(this.state.pathPrefix, file.path)
+      return (<div key={i}>{relativePath}</div>)
+    })
+    if (files.length > maxFileElems) {
+      fileElems.push(<div key='more'>+ {files.length - maxFileElems} more</div>)
+    }
+
+    // Align the text fields
+    const textFieldStyle = { width: '' }
+    const textareaStyle = { margin: 0 }
+
+    return (
+      <div key='advanced' className='create-torrent-advanced'>
+        <div key='private' className='torrent-attribute'>
+          <label>Private:</label>
+          <Checkbox
+            className='torrent-is-private control'
+            style={{display: ''}}
+            checked={this.state.isPrivate}
+            onCheck={this.setIsPrivate} />
+        </div>
+        <div key='trackers' className='torrent-attribute'>
+          <label>Trackers:</label>
+          <TextField
+            className='torrent-trackers control'
+            style={textFieldStyle}
+            textareaStyle={textareaStyle}
+            multiLine
+            rows={2}
+            rowsMax={10}
+            value={this.state.trackers}
+            onChange={this.setTrackers} />
+        </div>
+        <div key='comment' className='torrent-attribute'>
+          <label>Comment:</label>
+          <TextField
+            className='torrent-comment control'
+            style={textFieldStyle}
+            textareaStyle={textareaStyle}
+            hintText='Optionally describe your torrent...'
+            multiLine
+            rows={2}
+            rowsMax={10}
+            value={this.state.comment}
+            onChange={this.setComment} />
+        </div>
+        <div key='files' className='torrent-attribute'>
+          <label>Files:</label>
+          <div>{fileElems}</div>
+        </div>
+      </div>
+    )
+  }
+}
+
+function handleSubmit () {
+  const announceList = this.state.trackers
+    .split('\n')
+    .map((s) => s.trim())
+    .filter((s) => s !== '')
+  const options = {
+    // We can't let the user choose their own name if we want WebTorrent
+    // to use the files in place rather than creating a new folder.
+    name: this.state.defaultName,
+    path: this.state.basePath,
+    files: this.state.files,
+    announce: announceList,
+    private: this.state.isPrivate,
+    comment: this.state.comment.trim()
+  }
+  dispatch('createTorrent', options)
+}
+
+// Finds the longest common prefix
+function findCommonPrefix (a, b) {
+  let i
+  for (i = 0; i < a.length && i < b.length; i++) {
+    if (a.charCodeAt(i) !== b.charCodeAt(i)) break
+  }
+  if (i === a.length) return a
+  if (i === b.length) return b
+  return a.substring(0, i)
+}
+
+function containsDots (path, pathPrefix) {
+  const suffix = path.substring(pathPrefix.length).replace(/\\/g, '/')
+  return ('/' + suffix).includes('/.')
+}
+
+module.exports = CreateTorrentPage

src/renderer/pages/player-page.js

@@ -2,19 +2,20 @@ const React = require('react')
 const Bitfield = require('bitfield')
 const prettyBytes = require('prettier-bytes')
 const zeroFill = require('zero-fill')
-const path = require('path')
 
 const TorrentSummary = require('../lib/torrent-summary')
+const Playlist = require('../lib/playlist')
 const {dispatch, dispatcher} = require('../lib/dispatcher')
+const config = require('../../config')
 
 // Shows a streaming video player. Standard features + Chromecast + Airplay
 module.exports = class Player extends React.Component {
   render () {
     // Show the video as large as will fit in the window, play immediately
     // If the video is on Chromecast or Airplay, show a title screen instead
-    var state = this.props.state
-    var showVideo = state.playing.location === 'local'
-    var showControls = state.playing.location !== 'external'
+    const state = this.props.state
+    const showVideo = state.playing.location === 'local'
+    const showControls = state.playing.location !== 'external'
     return (
       <div
         className='player'
@@ -25,6 +26,15 @@ module.exports = class Player extends React.Component {
       </div>
     )
   }
+
+  onComponentWillUnmount () {
+    // Unload the media element so that Chromium stops trying to fetch data
+    const tag = document.querySelector('audio,video')
+    if (!tag) return
+    tag.pause()
+    tag.src = ''
+    tag.load()
+  }
 }
 
 // Handles volume change by wheel
@@ -38,7 +48,7 @@ function renderMedia (state) {
   // Unfortunately, play/pause can't be done just by modifying HTML.
   // Instead, grab the DOM node and play/pause it if necessary
   // Get the <video> or <audio> tag
-  var mediaElement = document.querySelector(state.playing.type)
+  const mediaElement = document.querySelector(state.playing.type)
   if (mediaElement !== null) {
     if (state.playing.isPaused && !mediaElement.paused) {
       mediaElement.pause()
@@ -66,20 +76,20 @@ function renderMedia (state) {
     }
 
     // Switch to the newly added subtitle track, if available
-    var tracks = mediaElement.textTracks || []
-    for (var j = 0; j < tracks.length; j++) {
-      var isSelectedTrack = j === state.playing.subtitles.selectedIndex
+    const tracks = mediaElement.textTracks || []
+    for (let j = 0; j < tracks.length; j++) {
+      const isSelectedTrack = j === state.playing.subtitles.selectedIndex
       tracks[j].mode = isSelectedTrack ? 'showing' : 'hidden'
     }
 
     // Save video position
-    var file = state.getPlayingFileSummary()
+    const file = state.getPlayingFileSummary()
     file.currentTime = state.playing.currentTime = mediaElement.currentTime
     file.duration = state.playing.duration = mediaElement.duration
 
     // Save selected subtitle
     if (state.playing.subtitles.selectedIndex !== -1) {
-      var index = state.playing.subtitles.selectedIndex
+      const index = state.playing.subtitles.selectedIndex
       file.selectedSubtitle = state.playing.subtitles.tracks[index].filePath
     } else if (file.selectedSubtitle != null) {
       delete file.selectedSubtitle
@@ -89,11 +99,11 @@ function renderMedia (state) {
   }
 
   // Add subtitles to the <video> tag
-  var trackTags = []
+  const trackTags = []
   if (state.playing.subtitles.selectedIndex >= 0) {
-    for (var i = 0; i < state.playing.subtitles.tracks.length; i++) {
-      var track = state.playing.subtitles.tracks[i]
-      var isSelected = state.playing.subtitles.selectedIndex === i
+    for (let i = 0; i < state.playing.subtitles.tracks.length; i++) {
+      const track = state.playing.subtitles.tracks[i]
+      const isSelected = state.playing.subtitles.selectedIndex === i
       trackTags.push(
         <track
           key={i}
@@ -106,10 +116,10 @@ function renderMedia (state) {
   }
 
   // Create the <audio> or <video> tag
-  var MediaTagName = state.playing.type
-  var mediaTag = (
+  const MediaTagName = state.playing.type
+  const mediaTag = (
     <MediaTagName
-      src={state.server.localURL}
+      src={Playlist.getCurrentLocalURL(state)}
       onDoubleClick={dispatcher('toggleFullScreen')}
       onLoadedMetadata={onLoadedMetadata}
       onEnded={onEnded}
@@ -136,21 +146,25 @@ function renderMedia (state) {
   // As soon as we know the video dimensions, resize the window
   function onLoadedMetadata (e) {
     if (state.playing.type !== 'video') return
-    var video = e.target
-    var dimensions = {
+    const video = e.target
+    const dimensions = {
       width: video.videoWidth,
       height: video.videoHeight
     }
     dispatch('setDimensions', dimensions)
   }
 
-  // When the video completes, pause the video instead of looping
   function onEnded (e) {
-    state.playing.isPaused = true
+    if (Playlist.hasNext(state)) {
+      dispatch('nextTrack')
+    } else {
+      // When the last video completes, pause the video instead of looping
+      state.playing.isPaused = true
+    }
   }
 
   function onCanPlay (e) {
-    var elem = e.target
+    const elem = e.target
     if (state.playing.type === 'video' &&
       elem.webkitVideoDecodedByteCount === 0) {
       dispatch('mediaError', 'Video codec unsupported')
@@ -164,15 +178,15 @@ function renderMedia (state) {
 }
 
 function renderOverlay (state) {
-  var elems = []
-  var audioMetadataElem = renderAudioMetadata(state)
-  var spinnerElem = renderLoadingSpinner(state)
+  const elems = []
+  const audioMetadataElem = renderAudioMetadata(state)
+  const spinnerElem = renderLoadingSpinner(state)
   if (audioMetadataElem) elems.push(audioMetadataElem)
   if (spinnerElem) elems.push(spinnerElem)
 
   // Video fills the window, centered with black bars if necessary
   // Audio gets a static poster image and a summary of the file metadata.
-  var style
+  let style
   if (state.playing.type === 'audio') {
     style = { backgroundImage: cssBackgroundImagePoster(state) }
   } else if (elems.length !== 0) {
@@ -190,27 +204,27 @@ function renderOverlay (state) {
 }
 
 function renderAudioMetadata (state) {
-  var fileSummary = state.getPlayingFileSummary()
+  const fileSummary = state.getPlayingFileSummary()
   if (!fileSummary.audioInfo) return
-  var info = fileSummary.audioInfo
+  const info = fileSummary.audioInfo
 
   // Get audio track info
-  var title = info.title
+  let title = info.title
   if (!title) {
     title = fileSummary.name
   }
-  var artist = info.artist && info.artist[0]
-  var album = info.album
+  let artist = info.artist && info.artist[0]
+  let album = info.album
   if (album && info.year && !album.includes(info.year)) {
     album += ' (' + info.year + ')'
   }
-  var track
+  let track
   if (info.track && info.track.no && info.track.of) {
     track = info.track.no + ' of ' + info.track.of
   }
 
   // Show a small info box in the middle of the screen with title/album/etc
-  var elems = []
+  const elems = []
   if (artist) {
     elems.push((
       <div key='artist' className='audio-artist'>
@@ -234,7 +248,7 @@ function renderAudioMetadata (state) {
   }
 
   // Align the title with the other info, if available. Otherwise, center title
-  var emptyLabel = (<label />)
+  const emptyLabel = (<label />)
   elems.unshift((
     <div key='title' className='audio-title'>
       {elems.length ? emptyLabel : undefined}{title}
@@ -246,14 +260,14 @@ function renderAudioMetadata (state) {
 
 function renderLoadingSpinner (state) {
   if (state.playing.isPaused) return
-  var isProbablyStalled = state.playing.isStalled ||
+  const isProbablyStalled = state.playing.isStalled ||
     (new Date().getTime() - state.playing.lastTimeUpdate > 2000)
   if (!isProbablyStalled) return
 
-  var prog = state.getPlayingTorrentSummary().progress || {}
-  var fileProgress = 0
+  const prog = state.getPlayingTorrentSummary().progress || {}
+  let fileProgress = 0
   if (prog.files) {
-    var file = prog.files[state.playing.fileIndex]
+    const file = prog.files[state.playing.fileIndex]
     fileProgress = Math.floor(100 * file.numPiecesPresent / file.numPieces)
   }
 
@@ -261,16 +275,16 @@ function renderLoadingSpinner (state) {
     <div key='loading' className='media-stalled'>
       <div key='loading-spinner' className='loading-spinner'>&nbsp;</div>
       <div key='loading-progress' className='loading-status ellipsis'>
-        <span className='progress'>{fileProgress}%</span> downloaded,
-        <span>↓ {prettyBytes(prog.downloadSpeed || 0)}/s</span>
-        <span>↑ {prettyBytes(prog.uploadSpeed || 0)}/s</span>
+        <span className='progress'>{fileProgress}%</span> downloaded
+        <span> ↓ {prettyBytes(prog.downloadSpeed || 0)}/s</span>
+        <span> ↑ {prettyBytes(prog.uploadSpeed || 0)}/s</span>
       </div>
     </div>
   )
 }
 
 function renderCastScreen (state) {
-  var castIcon, castType, isCast
+  let castIcon, castType, isCast
   if (state.playing.location.startsWith('chromecast')) {
     castIcon = 'cast_connected'
     castType = 'Chromecast'
@@ -284,11 +298,8 @@ function renderCastScreen (state) {
     castType = 'DLNA'
     isCast = true
   } else if (state.playing.location === 'external') {
-    // TODO: get the player name in a more reliable way
-    var playerPath = state.saved.prefs.externalPlayerPath
-    var playerName = playerPath ? path.basename(playerPath).split('.')[0] : 'VLC'
     castIcon = 'tv'
-    castType = playerName
+    castType = state.getExternalPlayerName()
     isCast = false
   } else if (state.playing.location === 'error') {
     castIcon = 'error_outline'
@@ -296,15 +307,15 @@ function renderCastScreen (state) {
     isCast = false
   }
 
-  var isStarting = state.playing.location.endsWith('-pending')
-  var castName = state.playing.castName
-  var castStatus
+  const isStarting = state.playing.location.endsWith('-pending')
+  const castName = state.playing.castName
+  let castStatus
   if (isCast && isStarting) castStatus = 'Connecting to ' + castName + '...'
   else if (isCast && !isStarting) castStatus = 'Connected to ' + castName
   else castStatus = ''
 
   // Show a nice title image, if possible
-  var style = {
+  const style = {
     backgroundImage: cssBackgroundImagePoster(state)
   }
 
@@ -322,12 +333,12 @@ function renderCastScreen (state) {
 function renderCastOptions (state) {
   if (!state.devices.castMenu) return
 
-  var {location, devices} = state.devices.castMenu
-  var player = state.devices[location]
+  const {location, devices} = state.devices.castMenu
+  const player = state.devices[location]
 
-  var items = devices.map(function (device, ix) {
-    var isSelected = player.device === device
-    var name = device.name
+  const items = devices.map(function (device, ix) {
+    const isSelected = player.device === device
+    const name = device.name
     return (
       <li key={ix} onClick={dispatcher('selectCastDevice', ix)}>
         <i className='icon'>{isSelected ? 'radio_button_checked' : 'radio_button_unchecked'}</i>
@@ -344,11 +355,11 @@ function renderCastOptions (state) {
 }
 
 function renderSubtitleOptions (state) {
-  var subtitles = state.playing.subtitles
+  const subtitles = state.playing.subtitles
   if (!subtitles.tracks.length || !subtitles.showMenu) return
 
-  var items = subtitles.tracks.map(function (track, ix) {
-    var isSelected = state.playing.subtitles.selectedIndex === ix
+  const items = subtitles.tracks.map(function (track, ix) {
+    const isSelected = state.playing.subtitles.selectedIndex === ix
     return (
       <li key={ix} onClick={dispatcher('selectSubtitle', ix)}>
         <i className='icon'>{'radio_button_' + (isSelected ? 'checked' : 'unchecked')}</i>
@@ -357,8 +368,8 @@ function renderSubtitleOptions (state) {
     )
   })
 
-  var noneSelected = state.playing.subtitles.selectedIndex === -1
-  var noneClass = 'radio_button_' + (noneSelected ? 'checked' : 'unchecked')
+  const noneSelected = state.playing.subtitles.selectedIndex === -1
+  const noneClass = 'radio_button_' + (noneSelected ? 'checked' : 'unchecked')
   return (
     <ul key='subtitle-options' className='options-list'>
       {items}
@@ -371,32 +382,39 @@ function renderSubtitleOptions (state) {
 }
 
 function renderPlayerControls (state) {
-  var positionPercent = 100 * state.playing.currentTime / state.playing.duration
-  var playbackCursorStyle = { left: 'calc(' + positionPercent + '% - 3px)' }
-  var captionsClass = state.playing.subtitles.tracks.length === 0
+  const positionPercent = 100 * state.playing.currentTime / state.playing.duration
+  const playbackCursorStyle = { left: 'calc(' + positionPercent + '% - 3px)' }
+  const captionsClass = state.playing.subtitles.tracks.length === 0
     ? 'disabled'
     : state.playing.subtitles.selectedIndex >= 0
       ? 'active'
       : ''
+  const prevClass = Playlist.hasPrevious(state) ? '' : 'disabled'
+  const nextClass = Playlist.hasNext(state) ? '' : 'disabled'
 
-  var elements = [
+  const elements = [
     <div key='playback-bar' className='playback-bar'>
       {renderLoadingBar(state)}
       <div
         key='cursor'
         className='playback-cursor'
-        style={playbackCursorStyle}
-      />
+        style={playbackCursorStyle} />
       <div
         key='scrub-bar'
         className='scrub-bar'
         draggable='true'
         onDragStart={handleDragStart}
         onClick={handleScrub}
-        onDrag={handleScrub}
-      />
+        onDrag={handleScrub} />
     </div>,
 
+    <i
+      key='skip-previous'
+      className={'icon skip-previous float-left ' + prevClass}
+      onClick={dispatcher('previousTrack')}>
+      skip_previous
+    </i>,
+
     <i
       key='play'
       className='icon play-pause float-left'
@@ -404,6 +422,13 @@ function renderPlayerControls (state) {
       {state.playing.isPaused ? 'play_arrow' : 'pause'}
     </i>,
 
+    <i
+      key='skip-next'
+      className={'icon skip-next float-left ' + nextClass}
+      onClick={dispatcher('nextTrack')}>
+      skip_next
+    </i>,
+
     <i
       key='fullscreen'
       className='icon fullscreen float-right'
@@ -413,7 +438,7 @@ function renderPlayerControls (state) {
   ]
 
   if (state.playing.type === 'video') {
-    // show closed captions icon
+    // Show closed captions icon
     elements.push((
       <i
         key='subtitles'
@@ -425,24 +450,24 @@ function renderPlayerControls (state) {
   }
 
   // If we've detected a Chromecast or AppleTV, the user can play video there
-  var castTypes = ['chromecast', 'airplay', 'dlna']
-  var isCastingAnywhere = castTypes.some(
+  const castTypes = ['chromecast', 'airplay', 'dlna']
+  const isCastingAnywhere = castTypes.some(
     (castType) => state.playing.location.startsWith(castType))
 
   // Add the cast buttons. Icons for each cast type, connected/disconnected:
-  var buttonIcons = {
+  const buttonIcons = {
     'chromecast': {true: 'cast_connected', false: 'cast'},
     'airplay': {true: 'airplay', false: 'airplay'},
     'dlna': {true: 'tv', false: 'tv'}
   }
   castTypes.forEach(function (castType) {
     // Do we show this button (eg. the Chromecast button) at all?
-    var isCasting = state.playing.location.startsWith(castType)
-    var player = state.devices[castType]
+    const isCasting = state.playing.location.startsWith(castType)
+    const player = state.devices[castType]
     if ((!player || player.getDevices().length === 0) && !isCasting) return
 
     // Show the button. Three options for eg the Chromecast button:
-    var buttonClass, buttonHandler
+    let buttonClass, buttonHandler
     if (isCasting) {
       // Option 1: we are currently connected to Chromecast. Button stops the cast.
       buttonClass = 'active'
@@ -456,7 +481,7 @@ function renderPlayerControls (state) {
       buttonClass = ''
       buttonHandler = dispatcher('toggleCastMenu', castType)
     }
-    var buttonIcon = buttonIcons[castType][isCasting]
+    const buttonIcon = buttonIcons[castType][isCasting]
 
     elements.push((
       <i
@@ -469,20 +494,18 @@ function renderPlayerControls (state) {
   })
 
   // Render volume slider
-  var volume = state.playing.volume
-  var volumeIcon = 'volume_' + (
+  const volume = state.playing.volume
+  const volumeIcon = 'volume_' + (
     volume === 0 ? 'off'
     : volume < 0.3 ? 'mute'
     : volume < 0.6 ? 'down'
     : 'up')
-  var volumeStyle = {
+  const volumeStyle = {
     background: '-webkit-gradient(linear, left top, right top, ' +
       'color-stop(' + (volume * 100) + '%, #eee), ' +
       'color-stop(' + (volume * 100) + '%, #727272))'
   }
 
-  // TODO: dcposch change the range input to use value / onChanged instead of
-  // "readonly" / onMouse[Down,Move,Up]
   elements.push((
     <div key='volume' className='volume float-left'>
       <i
@@ -495,21 +518,20 @@ function renderPlayerControls (state) {
         type='range' min='0' max='1' step='0.05'
         value={volume}
         onChange={handleVolumeScrub}
-        style={volumeStyle}
-      />
+        style={volumeStyle} />
     </div>
   ))
 
   // Show video playback progress
-  var currentTimeStr = formatTime(state.playing.currentTime)
-  var durationStr = formatTime(state.playing.duration)
+  const currentTimeStr = formatTime(state.playing.currentTime)
+  const durationStr = formatTime(state.playing.duration)
   elements.push((
     <span key='time' className='time float-left'>
       {currentTimeStr} / {durationStr}
     </span>
   ))
 
-  // render playback rate
+  // Render playback rate
   if (state.playing.playbackRate !== 1) {
     elements.push((
       <span key='rate' className='rate float-left'>
@@ -519,7 +541,9 @@ function renderPlayerControls (state) {
   }
 
   return (
-    <div key='controls' className='controls'>
+    <div key='controls' className='controls'
+      onMouseEnter={dispatcher('mediaControlsMouseEnter')}
+      onMouseLeave={dispatcher('mediaControlsMouseLeave')}>
       {elements}
       {renderCastOptions(state)}
       {renderSubtitleOptions(state)}
@@ -529,7 +553,7 @@ function renderPlayerControls (state) {
   function handleDragStart (e) {
     // Prevent the cursor from changing, eg to a green + icon on Mac
     if (e.dataTransfer) {
-      var dt = e.dataTransfer
+      const dt = e.dataTransfer
       dt.effectAllowed = 'none'
     }
   }
@@ -538,9 +562,9 @@ function renderPlayerControls (state) {
   function handleScrub (e) {
     if (!e.clientX) return
     dispatch('mediaMouseMoved')
-    var windowWidth = document.querySelector('body').clientWidth
-    var fraction = e.clientX / windowWidth
-    var position = fraction * state.playing.duration /* seconds */
+    const windowWidth = document.querySelector('body').clientWidth
+    const fraction = e.clientX / windowWidth
+    const position = fraction * state.playing.duration /* seconds */
     dispatch('skipTo', position)
   }
 
@@ -571,18 +595,23 @@ function renderPlayerControls (state) {
 // Renders the loading bar. Shows which parts of the torrent are loaded, which
 // can be 'spongey' / non-contiguous
 function renderLoadingBar (state) {
-  var torrentSummary = state.getPlayingTorrentSummary()
+  if (config.IS_TEST) return // Don't integration test the loading bar. Screenshots won't match.
+
+  const torrentSummary = state.getPlayingTorrentSummary()
   if (!torrentSummary.progress) {
-    return []
+    return null
   }
 
   // Find all contiguous parts of the torrent which are loaded
-  var prog = torrentSummary.progress
-  var fileProg = prog.files[state.playing.fileIndex]
-  var parts = []
-  var lastPiecePresent = false
-  for (var i = fileProg.startPiece; i <= fileProg.endPiece; i++) {
-    var partPresent = Bitfield.prototype.get.call(prog.bitfield, i)
+  const prog = torrentSummary.progress
+  const fileProg = prog.files[state.playing.fileIndex]
+
+  if (!fileProg) return null
+
+  const parts = []
+  let lastPiecePresent = false
+  for (let i = fileProg.startPiece; i <= fileProg.endPiece; i++) {
+    const partPresent = Bitfield.prototype.get.call(prog.bitfield, i)
     if (partPresent && !lastPiecePresent) {
       parts.push({start: i - fileProg.startPiece, count: 1})
     } else if (partPresent) {
@@ -592,21 +621,22 @@ function renderLoadingBar (state) {
   }
 
   // Output some bars to show which parts of the file are loaded
-  var loadingBarElems = parts.map(function (part, i) {
-    var style = {
+  const loadingBarElems = parts.map(function (part, i) {
+    const style = {
       left: (100 * part.start / fileProg.numPieces) + '%',
       width: (100 * part.count / fileProg.numPieces) + '%'
     }
 
     return (<div key={i} className='loading-bar-part' style={style} />)
   })
+
   return (<div key='loading-bar' className='loading-bar'>{loadingBarElems}</div>)
 }
 
 // Returns the CSS background-image string for a poster image + dark vignette
 function cssBackgroundImagePoster (state) {
-  var torrentSummary = state.getPlayingTorrentSummary()
-  var posterPath = TorrentSummary.getPosterPath(torrentSummary)
+  const torrentSummary = state.getPlayingTorrentSummary()
+  const posterPath = TorrentSummary.getPosterPath(torrentSummary)
   if (!posterPath) return ''
   return cssBackgroundImageDarkGradient() + `, url('${posterPath}')`
 }
@@ -621,12 +651,12 @@ function formatTime (time) {
     return '0:00'
   }
 
-  var hours = Math.floor(time / 3600)
-  var minutes = Math.floor(time % 3600 / 60)
+  let hours = Math.floor(time / 3600)
+  let minutes = Math.floor(time % 3600 / 60)
   if (hours > 0) {
     minutes = zeroFill(2, minutes)
   }
-  var seconds = zeroFill(2, Math.floor(time % 60))
+  let seconds = zeroFill(2, Math.floor(time % 60))
 
   return (hours > 0 ? hours + ':' : '') + minutes + ':' + seconds
 }

src/renderer/pages/preferences-page.js

@@ -1,13 +1,14 @@
-const colors = require('material-ui/styles/colors')
 const path = require('path')
 const React = require('react')
 
+const colors = require('material-ui/styles/colors')
 const Checkbox = require('material-ui/Checkbox').default
-const Heading = require('../components/Heading')
-const PathSelector = require('../components/PathSelector')
 const RaisedButton = require('material-ui/RaisedButton').default
+const Heading = require('../components/heading')
+const PathSelector = require('../components/path-selector')
 
 const {dispatch} = require('../lib/dispatcher')
+const config = require('../../config')
 
 class PreferencesPage extends React.Component {
   constructor (props) {
@@ -21,6 +22,9 @@ class PreferencesPage extends React.Component {
 
     this.handleExternalPlayerPathChange =
       this.handleExternalPlayerPathChange.bind(this)
+
+    this.handleStartupChange =
+      this.handleStartupChange.bind(this)
   }
 
   downloadPathSelector () {
@@ -33,8 +37,7 @@ class PreferencesPage extends React.Component {
           }}
           onChange={this.handleDownloadPathChange}
           title='Download location'
-          value={this.props.state.unsaved.prefs.downloadPath}
-        />
+          value={this.props.state.unsaved.prefs.downloadPath} />
       </Preference>
     )
   }
@@ -50,8 +53,7 @@ class PreferencesPage extends React.Component {
           className='control'
           checked={!this.props.state.unsaved.prefs.openExternalPlayer}
           label={'Play torrent media files using WebTorrent'}
-          onCheck={this.handleOpenExternalPlayerChange}
-        />
+          onCheck={this.handleOpenExternalPlayerChange} />
       </Preference>
     )
   }
@@ -67,7 +69,7 @@ class PreferencesPage extends React.Component {
           className='control'
           checked={this.props.state.unsaved.prefs.highestPlaybackPriority}
           label={'Highest Playback Priority'}
-          onCheck={this.handleHighestPlaybackPriorityChange}
+          onCheck={this.handleHighestPlaybackPriorityChange} 
         />
         <p>Pauses all active torrents to allow playback to use all of the available bandwidth.</p>
       </Preference>
@@ -79,14 +81,12 @@ class PreferencesPage extends React.Component {
   }
 
   externalPlayerPathSelector () {
-    const playerName = path.basename(
-      this.props.state.unsaved.prefs.externalPlayerPath || 'VLC'
-    )
+    const playerPath = this.props.state.unsaved.prefs.externalPlayerPath
+    const playerName = this.props.state.getExternalPlayerName()
 
     const description = this.props.state.unsaved.prefs.openExternalPlayer
       ? `Torrent media files will always play in ${playerName}.`
-      : `Torrent media files will play in ${playerName} if WebTorrent cannot ` +
-        'play them.'
+      : `Torrent media files will play in ${playerName} if WebTorrent cannot play them.`
 
     return (
       <Preference>
@@ -99,48 +99,70 @@ class PreferencesPage extends React.Component {
           displayValue={playerName}
           onChange={this.handleExternalPlayerPathChange}
           title='External player'
-          value={this.props.state.unsaved.prefs.externalPlayerPath}
-        />
+          value={playerPath ? path.dirname(playerPath) : null} />
       </Preference>
     )
   }
 
   handleExternalPlayerPathChange (filePath) {
-    if (path.extname(filePath) === '.app') {
-      // Mac: Use executable in packaged .app bundle
-      filePath += '/Contents/MacOS/' + path.basename(filePath, '.app')
-    }
     dispatch('updatePreferences', 'externalPlayerPath', filePath)
   }
 
   setDefaultAppButton () {
+    const isFileHandler = this.props.state.unsaved.prefs.isFileHandler
+    if (isFileHandler) {
+      return (
+        <Preference>
+          <p>WebTorrent is your default torrent app. Hooray!</p>
+        </Preference>
+      )
+    }
     return (
       <Preference>
         <p>WebTorrent is not currently the default torrent app.</p>
         <RaisedButton
           className='control'
           onClick={this.handleSetDefaultApp}
-          label='Make WebTorrent the default'
-        />
+          label='Make WebTorrent the default' />
       </Preference>
     )
   }
 
+  handleStartupChange (e, isChecked) {
+    dispatch('updatePreferences', 'startup', isChecked)
+  }
+
+  setStartupSection () {
+    if (config.IS_PORTABLE) {
+      return
+    }
+
+    return (
+      <PreferencesSection title='Startup'>
+        <Preference>
+          <Checkbox
+            className='control'
+            checked={this.props.state.unsaved.prefs.startup}
+            label={'Open WebTorrent on startup.'}
+            onCheck={this.handleStartupChange}
+          />
+        </Preference>
+      </PreferencesSection>
+    )
+  }
+
   handleSetDefaultApp () {
-    window.alert('TODO')
-    // var isFileHandler = state.unsaved.prefs.isFileHandler
-    // dispatch('updatePreferences', 'isFileHandler', !isFileHandler)
+    dispatch('updatePreferences', 'isFileHandler', true)
   }
 
   render () {
+    const style = {
+      color: colors.grey400,
+      marginLeft: 25,
+      marginRight: 25
+    }
     return (
-      <div
-        style={{
-          color: colors.grey400,
-          marginLeft: 25,
-          marginRight: 25
-        }}
-      >
+      <div style={style}>
         <PreferencesSection title='Downloads'>
           {this.downloadPathSelector()}
         </PreferencesSection>
@@ -152,6 +174,7 @@ class PreferencesPage extends React.Component {
         <PreferencesSection title='Default torrent app'>
           {this.setDefaultAppButton()}
         </PreferencesSection>
+        {this.setStartupSection()}
       </div>
     )
   }
@@ -165,13 +188,12 @@ class PreferencesSection extends React.Component {
   }
 
   render () {
+    const style = {
+      marginBottom: 25,
+      marginTop: 25
+    }
     return (
-      <div
-        style={{
-          marginBottom: 25,
-          marginTop: 25
-        }}
-      >
+      <div style={style}>
         <Heading level={2}>{this.props.title}</Heading>
         {this.props.children}
       </div>
@@ -181,15 +203,8 @@ class PreferencesSection extends React.Component {
 
 class Preference extends React.Component {
   render () {
-    return (
-      <div
-        style={{
-          marginBottom: 10
-        }}
-      >
-        {this.props.children}
-      </div>
-    )
+    const style = { marginBottom: 10 }
+    return (<div style={style}>{this.props.children}</div>)
   }
 }
 

src/renderer/pages/torrent-list-page.js

@@ -1,15 +1,18 @@
 const React = require('react')
 const prettyBytes = require('prettier-bytes')
 
+const Checkbox = require('material-ui/Checkbox').default
+const LinearProgress = require('material-ui/LinearProgress').default
+
 const TorrentSummary = require('../lib/torrent-summary')
 const TorrentPlayer = require('../lib/torrent-player')
 const {dispatcher} = require('../lib/dispatcher')
 
 module.exports = class TorrentList extends React.Component {
   render () {
-    var state = this.props.state
+    const state = this.props.state
 
-    var contents = []
+    const contents = []
     if (state.downloadPathStatus === 'missing') {
       contents.push(
         <div key='torrent-missing-path'>
@@ -21,7 +24,7 @@ module.exports = class TorrentList extends React.Component {
         </div>
       )
     }
-    var torrentElems = state.saved.torrents.map(
+    const torrentElems = state.saved.torrents.map(
       (torrentSummary) => this.renderTorrent(torrentSummary)
     )
     contents.push(...torrentElems)
@@ -39,30 +42,27 @@ module.exports = class TorrentList extends React.Component {
   }
 
   renderTorrent (torrentSummary) {
-    var state = this.props.state
-    var infoHash = torrentSummary.infoHash
-    var isSelected = infoHash && state.selectedInfoHash === infoHash
+    const state = this.props.state
+    const infoHash = torrentSummary.infoHash
+    const isSelected = infoHash && state.selectedInfoHash === infoHash
 
     // Background image: show some nice visuals, like a frame from the movie, if possible
-    var style = {}
+    const style = {}
     if (torrentSummary.posterFileName) {
-      var gradient = isSelected
-        ? 'linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%)'
-        : 'linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%)'
-      var posterPath = TorrentSummary.getPosterPath(torrentSummary)
-      style.backgroundImage = gradient + `, url('${posterPath}')`
+      const gradient = 'linear-gradient(to bottom, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.4) 100%)'
+      const posterPath = TorrentSummary.getPosterPath(torrentSummary)
+      style.backgroundImage = `${gradient}, url('${posterPath}')`
     }
 
     // Foreground: name of the torrent, basic info like size, play button,
     // cast buttons if available, and delete
-    var classes = ['torrent']
-    //  playStatus turns the play button into a loading spinner or error icon
-    if (torrentSummary.playStatus) classes.push(torrentSummary.playStatus)
+    const classes = ['torrent']
     if (isSelected) classes.push('selected')
     if (!infoHash) classes.push('disabled')
     if (!torrentSummary.torrentKey) throw new Error('Missing torrentKey')
     return (
       <div
+        id={torrentSummary.testID && ('torrent-' + torrentSummary.testID)}
         key={torrentSummary.torrentKey}
         style={style}
         className={classes.join(' ')}
@@ -71,48 +71,96 @@ module.exports = class TorrentList extends React.Component {
         {this.renderTorrentMetadata(torrentSummary)}
         {infoHash ? this.renderTorrentButtons(torrentSummary) : null}
         {isSelected ? this.renderTorrentDetails(torrentSummary) : null}
+        <hr />
       </div>
     )
   }
 
   // Show name, download status, % complete
   renderTorrentMetadata (torrentSummary) {
-    var name = torrentSummary.name || 'Loading torrent...'
-    var elements = [(
+    const name = torrentSummary.name || 'Loading torrent...'
+    const elements = [(
       <div key='name' className='name ellipsis'>{name}</div>
     )]
 
     // If it's downloading/seeding then show progress info
-    var prog = torrentSummary.progress
+    const prog = torrentSummary.progress
+    let progElems
     if (torrentSummary.error) {
-      elements.push(
-        <div key='progress-info' className='ellipsis'>
-          {getErrorMessage(torrentSummary)}
-        </div>
-      )
+      progElems = [getErrorMessage(torrentSummary)]
     } else if (torrentSummary.status !== 'paused' && prog) {
-      elements.push(
-        <div key='progress-info' className='ellipsis'>
-          {renderPercentProgress()}
-          {renderTotalProgress()}
-          {renderPeers()}
-          {renderDownloadSpeed()}
-          {renderUploadSpeed()}
-          {renderEta()}
+      progElems = [
+        renderDownloadCheckbox(),
+        renderTorrentStatus(),
+        renderProgressBar(),
+        renderPercentProgress(),
+        renderTotalProgress(),
+        renderPeers(),
+        renderSpeeds(),
+        renderEta()
+      ]
+    } else {
+      progElems = [
+        renderDownloadCheckbox(),
+        renderTorrentStatus()
+      ]
+    }
+    elements.push(
+      <div key='progress-info' className='ellipsis'>
+        {progElems}
+      </div>
+    )
+
+    return (<div key='metadata' className='metadata'>{elements}</div>)
+
+    function renderDownloadCheckbox () {
+      const infoHash = torrentSummary.infoHash
+      const isActive = ['downloading', 'seeding'].includes(torrentSummary.status)
+      return (
+        <Checkbox
+          key='download-button'
+          className={'control download ' + torrentSummary.status}
+          style={{
+            display: 'inline-block',
+            width: 32
+          }}
+          iconStyle={{
+            width: 20,
+            height: 20
+          }}
+          checked={isActive}
+          onClick={stopPropagation}
+          onCheck={dispatcher('toggleTorrent', infoHash)} />
+      )
+    }
+
+    function renderProgressBar () {
+      const progress = Math.floor(100 * prog.progress)
+      const styles = {
+        wrapper: {
+          display: 'inline-block',
+          marginRight: 8
+        },
+        progress: {
+          height: 8,
+          width: 30
+        }
+      }
+      return (
+        <div style={styles.wrapper}>
+          <LinearProgress style={styles.progress} mode='determinate' value={progress} />
         </div>
       )
     }
 
-    return (<div key='metadata' className='metadata'>{elements}</div>)
-
     function renderPercentProgress () {
-      var progress = Math.floor(100 * prog.progress)
+      const progress = Math.floor(100 * prog.progress)
       return (<span key='percent-progress'>{progress}%</span>)
     }
 
     function renderTotalProgress () {
-      var downloaded = prettyBytes(prog.downloaded)
-      var total = prettyBytes(prog.length || 0)
+      const downloaded = prettyBytes(prog.downloaded)
+      const total = prettyBytes(prog.length || 0)
       if (downloaded === total) {
         return (<span key='total-progress'>{downloaded}</span>)
       } else {
@@ -122,112 +170,78 @@ module.exports = class TorrentList extends React.Component {
 
     function renderPeers () {
       if (prog.numPeers === 0) return
-      var count = prog.numPeers === 1 ? 'peer' : 'peers'
+      const count = prog.numPeers === 1 ? 'peer' : 'peers'
       return (<span key='peers'>{prog.numPeers} {count}</span>)
     }
 
-    function renderDownloadSpeed () {
-      if (prog.downloadSpeed === 0) return
-      return (<span key='download'>↓ {prettyBytes(prog.downloadSpeed)}/s</span>)
-    }
-
-    function renderUploadSpeed () {
-      if (prog.uploadSpeed === 0) return
-      return (<span key='upload'>↑ {prettyBytes(prog.uploadSpeed)}/s</span>)
+    function renderSpeeds () {
+      let str = ''
+      if (prog.downloadSpeed > 0) str += ' ↓ ' + prettyBytes(prog.downloadSpeed) + '/s'
+      if (prog.uploadSpeed > 0) str += ' ↑ ' + prettyBytes(prog.uploadSpeed) + '/s'
+      if (str === '') return
+      return (<span key='download'>{str}</span>)
     }
 
     function renderEta () {
-      var downloaded = prog.downloaded
-      var total = prog.length || 0
-      var missing = total - downloaded
-      var downloadSpeed = prog.downloadSpeed
+      const downloaded = prog.downloaded
+      const total = prog.length || 0
+      const missing = total - downloaded
+      const downloadSpeed = prog.downloadSpeed
       if (downloadSpeed === 0 || missing === 0) return
 
-      var rawEta = missing / downloadSpeed
-      var hours = Math.floor(rawEta / 3600) % 24
-      var minutes = Math.floor(rawEta / 60) % 60
-      var seconds = Math.floor(rawEta % 60)
+      const rawEta = missing / downloadSpeed
+      const hours = Math.floor(rawEta / 3600) % 24
+      const minutes = Math.floor(rawEta / 60) % 60
+      const seconds = Math.floor(rawEta % 60)
 
       // Only display hours and minutes if they are greater than 0 but always
       // display minutes if hours is being displayed
-      var hoursStr = hours ? hours + 'h' : ''
-      var minutesStr = (hours || minutes) ? minutes + 'm' : ''
-      var secondsStr = seconds + 's'
+      const hoursStr = hours ? hours + 'h' : ''
+      const minutesStr = (hours || minutes) ? minutes + 'm' : ''
+      const secondsStr = seconds + 's'
 
-      return (<span>ETA: {hoursStr} {minutesStr} {secondsStr}</span>)
+      return (<span>{hoursStr} {minutesStr} {secondsStr} remaining</span>)
+    }
+
+    function renderTorrentStatus () {
+      let status
+      if (torrentSummary.status === 'paused') {
+        if (!torrentSummary.progress) status = ''
+        else if (torrentSummary.progress.progress === 1) status = 'Not seeding'
+        else status = 'Paused'
+      } else if (torrentSummary.status === 'downloading') {
+        status = 'Downloading'
+      } else if (torrentSummary.status === 'seeding') {
+        status = 'Seeding'
+      } else { // torrentSummary.status is 'new' or something unexpected
+        status = ''
+      }
+      return (<span>{status}</span>)
     }
   }
 
   // Download button toggles between torrenting (DL/seed) and paused
   // Play button starts streaming the torrent immediately, unpausing if needed
   renderTorrentButtons (torrentSummary) {
-    var infoHash = torrentSummary.infoHash
-
-    var playIcon, playTooltip, playClass
-    if (torrentSummary.playStatus === 'timeout') {
-      playIcon = 'warning'
-      playTooltip = 'Playback timed out. No seeds? No internet? Click to try again.'
-    } else {
-      playIcon = 'play_arrow'
-      playTooltip = 'Start streaming'
-    }
-
-    var downloadIcon, downloadTooltip
-    if (torrentSummary.status === 'seeding') {
-      downloadIcon = 'file_upload'
-      downloadTooltip = 'Seeding. Click to stop.'
-    } else if (torrentSummary.status === 'downloading') {
-      downloadIcon = 'file_download'
-      downloadTooltip = 'Torrenting. Click to stop.'
-    } else {
-      downloadIcon = 'file_download'
-      downloadTooltip = 'Click to start torrenting.'
-    }
+    const infoHash = torrentSummary.infoHash
 
     // Only show the play/dowload buttons for torrents that contain playable media
-    var playButton, downloadButton, positionElem
-    if (!torrentSummary.error) {
-      downloadButton = (
+    let playButton
+    if (!torrentSummary.error && TorrentPlayer.isPlayableTorrentSummary(torrentSummary)) {
+      playButton = (
         <i
-          key='download-button'
-          className={'button-round icon download ' + torrentSummary.status}
-          title={downloadTooltip}
-          onClick={dispatcher('toggleTorrent', infoHash)}
-        >
-          {downloadIcon}
+          key='play-button'
+          title='Start streaming'
+          className={'icon play'}
+          onClick={dispatcher('playFile', infoHash)}>
+          play_circle_outline
         </i>
       )
-
-      // Do we have a saved position? Show it using a radial progress bar on top
-      // of the play button, unless already showing a spinner there:
-      var willShowSpinner = torrentSummary.playStatus === 'requested'
-      var defaultFile = torrentSummary.files &&
-        torrentSummary.files[torrentSummary.defaultPlayFileIndex]
-      if (defaultFile && defaultFile.currentTime && !willShowSpinner) {
-        var fraction = defaultFile.currentTime / defaultFile.duration
-        positionElem = this.renderRadialProgressBar(fraction, 'radial-progress-large')
-        playClass = 'resume-position'
-      }
-
-      if (TorrentPlayer.isPlayableTorrentSummary(torrentSummary)) {
-        playButton = (
-          <i
-            key='play-button'
-            title={playTooltip}
-            className={'button-round icon play ' + playClass}
-            onClick={dispatcher('playFile', infoHash)}
-          >
-            {playIcon}
-          </i>
-        )
-      }
     }
 
     return (
-      <div key='buttons' className='buttons'>
-        {positionElem}
+      <div className='torrent-controls'>
         {playButton}
-        {downloadButton}
         <i
           key='delete-button'
           className='icon delete'
@@ -241,9 +255,9 @@ module.exports = class TorrentList extends React.Component {
 
   // Show files, per-file download status and play buttons, and so on
   renderTorrentDetails (torrentSummary) {
-    var filesElement
+    let filesElement
     if (torrentSummary.error || !torrentSummary.files) {
-      var message = ''
+      let message = ''
       if (torrentSummary.error === 'path-missing') {
         // Special case error: this torrent's download dir or file is missing
         message = 'Missing path: ' + TorrentSummary.getFileOrFolder(torrentSummary)
@@ -264,14 +278,9 @@ module.exports = class TorrentList extends React.Component {
       )
     } else {
       // We do know the files. List them and show download stats for each one
-      var fileRows = torrentSummary.files
+      const fileRows = torrentSummary.files
         .filter((file) => !file.path.includes('/.____padding_file/'))
         .map((file, index) => ({ file, index }))
-        .sort(function (a, b) {
-          if (a.file.name < b.file.name) return -1
-          if (b.file.name < a.file.name) return 1
-          return 0
-        })
         .map((object) => this.renderFileRow(torrentSummary, object.file, object.index))
 
       filesElement = (
@@ -296,28 +305,28 @@ module.exports = class TorrentList extends React.Component {
   renderFileRow (torrentSummary, file, index) {
     // First, find out how much of the file we've downloaded
     // Are we even torrenting it?
-    var isSelected = torrentSummary.selections && torrentSummary.selections[index]
-    var isDone = false // Are we finished torrenting it?
-    var progress = ''
+    const isSelected = torrentSummary.selections && torrentSummary.selections[index]
+    let isDone = false // Are we finished torrenting it?
+    let progress = ''
     if (torrentSummary.progress && torrentSummary.progress.files &&
         torrentSummary.progress.files[index]) {
-      var fileProg = torrentSummary.progress.files[index]
+      const fileProg = torrentSummary.progress.files[index]
       isDone = fileProg.numPiecesPresent === fileProg.numPieces
       progress = Math.round(100 * fileProg.numPiecesPresent / fileProg.numPieces) + '%'
     }
 
     // Second, for media files where we saved our position, show how far we got
-    var positionElem
+    let positionElem
     if (file.currentTime) {
       // Radial progress bar. 0% = start from 0:00, 270% = 3/4 of the way thru
       positionElem = this.renderRadialProgressBar(file.currentTime / file.duration)
     }
 
     // Finally, render the file as a table row
-    var isPlayable = TorrentPlayer.isPlayable(file)
-    var infoHash = torrentSummary.infoHash
-    var icon
-    var handleClick
+    const isPlayable = TorrentPlayer.isPlayable(file)
+    const infoHash = torrentSummary.infoHash
+    let icon
+    let handleClick
     if (isPlayable) {
       icon = 'play_arrow' /* playable? add option to play */
       handleClick = dispatcher('playFile', infoHash, index)
@@ -328,7 +337,7 @@ module.exports = class TorrentList extends React.Component {
         : (e) => e.stopPropagation() // noop if file is not ready
     }
     // TODO: add a css 'disabled' class to indicate that a file cannot be opened/streamed
-    var rowClass = ''
+    let rowClass = ''
     if (!isSelected) rowClass = 'disabled' // File deselected, not being torrented
     if (!isDone && !isPlayable) rowClass = 'disabled' // Can't open yet, can't stream
     return (
@@ -348,16 +357,16 @@ module.exports = class TorrentList extends React.Component {
         </td>
         <td className='col-select'
           onClick={dispatcher('toggleTorrentFile', infoHash, index)}>
-          <i className='icon'>{isSelected ? 'close' : 'add'}</i>
+          <i className='icon deselect-file'>{isSelected ? 'close' : 'add'}</i>
         </td>
       </tr>
     )
   }
 
   renderRadialProgressBar (fraction, cssClass) {
-    var rotation = 360 * fraction
-    var transformFill = {transform: 'rotate(' + (rotation / 2) + 'deg)'}
-    var transformFix = {transform: 'rotate(' + rotation + 'deg)'}
+    const rotation = 360 * fraction
+    const transformFill = {transform: 'rotate(' + (rotation / 2) + 'deg)'}
+    const transformFix = {transform: 'rotate(' + rotation + 'deg)'}
 
     return (
       <div key='radial-progress' className={'radial-progress ' + cssClass}>
@@ -376,8 +385,12 @@ module.exports = class TorrentList extends React.Component {
   }
 }
 
+function stopPropagation (e) {
+  e.stopPropagation()
+}
+
 function getErrorMessage (torrentSummary) {
-  var err = torrentSummary.error
+  const err = torrentSummary.error
   if (err === 'path-missing') {
     return (
       <span>