Refactor main.js: controllers.playback.skip() (#706)

* Fixes bug with Step Forward/Backward commands not working

* Fix 'invalid torrent identifier' error

main/menu.js

@@ -220,7 +220,7 @@ function getMenuTemplate () {
           accelerator: process.platform === 'darwin'
             ? 'CmdOrCtrl+Alt+Right'
             : 'Alt+Right',
-          click: () => windows.main.dispatch('skip', 1),
+          click: () => windows.main.dispatch('skip', 10),
           enabled: false
         },
         {
@@ -228,7 +228,7 @@ function getMenuTemplate () {
           accelerator: process.platform === 'darwin'
             ? 'CmdOrCtrl+Alt+Left'
             : 'Alt+Left',
-          click: () => windows.main.dispatch('skip', -1),
+          click: () => windows.main.dispatch('skip', -10),
           enabled: false
         },
         {

renderer/controllers/playback-controller.js

@@ -86,6 +86,11 @@ module.exports = class PlaybackController {
     ipcRenderer.send('onPlayerPause')
   }
 
+  // Skip specified number of seconds (backwards if negative)
+  skip (time) {
+    this.skipTo(this.state.playing.currentTime + time)
+  }
+
   // Skip (aka seek) to a specific point, in seconds
   skipTo (time) {
     if (isCasting(this.state)) Cast.seek(time)

renderer/controllers/torrent-list-controller.js

@@ -65,12 +65,30 @@ module.exports = class TorrentListController {
     })
   }
 
+  // Starts downloading and/or seeding a given torrentSummary.
+  startTorrentingSummary (torrentSummary) {
+    var s = torrentSummary
+
+    // Backward compatibility for config files save before we had torrentKey
+    if (!s.torrentKey) s.torrentKey = this.state.nextTorrentKey++
+
+    // Use Downloads folder by default
+    if (!s.path) s.path = this.state.saved.prefs.downloadPath
+
+    ipcRenderer.send('wt-start-torrenting',
+                      s.torrentKey,
+                      TorrentSummary.getTorrentID(s),
+                      s.path,
+                      s.fileModtimes,
+                      s.selections)
+  }
+
   // TODO: use torrentKey, not infoHash
   toggleTorrent (infoHash) {
     var torrentSummary = TorrentSummary.getByKey(this.state, infoHash)
     if (torrentSummary.status === 'paused') {
       torrentSummary.status = 'new'
-      ipcRenderer.send('wt-start-torrenting', torrentSummary)
+      this.startTorrentingSummary(torrentSummary)
       sound.play('ENABLE')
     } else {
       torrentSummary.status = 'paused'

renderer/main.js

@@ -181,11 +181,13 @@ const dispatchHandlers = {
   'toggleSelectTorrent': (infoHash) => controllers.torrentList.toggleSelectTorrent(infoHash),
   'openTorrentContextMenu': (infoHash) => controllers.torrentList.openTorrentContextMenu(infoHash),
 
-  'startTorrentingSummary': startTorrentingSummary,
+  'startTorrentingSummary': (torrentSummary) =>
+    controllers.torrentList.startTorrentingSummary(torrentSummary),
 
   // Playback
   'playFile': (infoHash, index) => controllers.playback.playFile(infoHash, index),
   'playPause': () => controllers.playback.playPause(),
+  'skip': (time) => controllers.playback.skip(time),
   'skipTo': (time) => controllers.playback.skipTo(time),
   'changePlaybackRate': (dir) => controllers.playback.changePlaybackRate(dir),
   'changeVolume': (delta) => controllers.playback.changeVolume(delta),
@@ -317,7 +319,7 @@ function escapeBack () {
 function resumeTorrents () {
   state.saved.torrents
     .filter((torrentSummary) => torrentSummary.status !== 'paused')
-    .forEach((torrentSummary) => startTorrentingSummary(torrentSummary))
+    .forEach((torrentSummary) => controllers.torrentList.startTorrentingSummary(torrentSummary))
 }
 
 function isTorrent (file) {
@@ -333,19 +335,6 @@ function getTorrentSummary (torrentKey) {
   return TorrentSummary.getByKey(state, torrentKey)
 }
 
-// Starts downloading and/or seeding a given torrentSummary. Returns WebTorrent object
-function startTorrentingSummary (torrentSummary) {
-  var s = torrentSummary
-
-  // Backward compatibility for config files save before we had torrentKey
-  if (!s.torrentKey) s.torrentKey = state.nextTorrentKey++
-
-  // Use Downloads folder by default
-  if (!s.path) s.path = state.saved.prefs.downloadPath
-
-  ipcRenderer.send('wt-start-torrenting', s)
-}
-
 function torrentInfoHash (torrentKey, infoHash) {
   var torrentSummary = getTorrentSummary(torrentKey)
   console.log('got infohash for %s torrent %s',

renderer/webtorrent.js

@@ -14,7 +14,6 @@ var path = require('path')
 var crashReporter = require('../crash-reporter')
 var config = require('../config')
 var torrentPoster = require('./lib/torrent-poster')
-var TorrentSummary = require('./lib/torrent-summary')
 
 // Report when the process crashes
 crashReporter.init()
@@ -43,8 +42,8 @@ function init () {
   client.on('warning', (err) => ipc.send('wt-warning', null, err.message))
   client.on('error', (err) => ipc.send('wt-error', null, err.message))
 
-  ipc.on('wt-start-torrenting', (e, torrentSummary) =>
-    startTorrenting(torrentSummary))
+  ipc.on('wt-start-torrenting', (e, torrentKey, torrentID, path, fileModtimes, selections) =>
+    startTorrenting(torrentKey, torrentID, path, fileModtimes, selections))
   ipc.on('wt-stop-torrenting', (e, infoHash) =>
     stopTorrenting(infoHash))
   ipc.on('wt-create-torrent', (e, torrentKey, options) =>
@@ -73,15 +72,12 @@ function init () {
 
 // Starts a given TorrentID, which can be an infohash, magnet URI, etc. Returns WebTorrent object
 // See https://github.com/feross/webtorrent/blob/master/docs/api.md#clientaddtorrentid-opts-function-ontorrent-torrent-
-function startTorrenting (torrentSummary) {
-  var s = torrentSummary
-  var torrentKey = s.torrentKey
-  var torrentID = TorrentSummary.getTorrentID(s)
+function startTorrenting (torrentKey, torrentID, path, fileModtimes, selections) {
   console.log('starting torrent %s: %s', torrentKey, torrentID)
 
   var torrent = client.add(torrentID, {
-    path: s.path,
-    fileModtimes: s.fileModtimes
+    path: path,
+    fileModtimes: fileModtimes
   })
   torrent.key = torrentKey
 
@@ -89,7 +85,7 @@ function startTorrenting (torrentSummary) {
   addTorrentEvents(torrent)
 
   // Only download the files the user wants, not necessarily all files
-  torrent.once('ready', () => selectFiles(torrent, s.selections))
+  torrent.once('ready', () => selectFiles(torrent, selections))
 
   return torrent
 }