Switch to using location-history package

https://npmjs.com/package/location-history

src/renderer/controllers/playback-controller.js

@@ -28,11 +28,11 @@ module.exports = class PlaybackController {
   playFile (infoHash, index /* optional */) {
     this.state.location.go({
       url: 'player',
-      onbeforeload: (cb) => {
+      setup: (cb) => {
         this.play()
         this.openPlayer(infoHash, index, cb)
       },
-      onbeforeunload: (cb) => this.closePlayer(cb)
+      destroy: () => this.closePlayer()
     }, (err) => {
       if (err) dispatch('error', err)
     })
@@ -251,7 +251,7 @@ module.exports = class PlaybackController {
     })
   }
 
-  closePlayer (cb) {
+  closePlayer () {
     console.log('closePlayer')
 
     // Quit any external players, like Chromecast/Airplay/etc or VLC
@@ -290,7 +290,6 @@ module.exports = class PlaybackController {
     ipcRenderer.send('onPlayerClose')
 
     this.update()
-    cb()
   }
 }
 

src/renderer/controllers/prefs-controller.js

@@ -13,24 +13,19 @@ module.exports = class PrefsController {
     var state = this.state
     state.location.go({
       url: 'preferences',
-      onbeforeload: function (cb) {
+      setup: function (cb) {
         // initialize preferences
         dispatch('setTitle', 'Preferences')
         state.unsaved = Object.assign(state.unsaved || {}, {prefs: state.saved.prefs || {}})
         cb()
       },
-      onbeforeunload: (cb) => {
-        // save state after preferences
-        this.save()
-        dispatch('resetTitle')
-        cb()
-      }
+      destroy: () => this.save()
     })
   }
 
   // Updates a single property in the UNSAVED prefs
   // For example: updatePreferences('foo.bar', 'baz')
-  // Call savePreferences to save to config.json
+  // Call save() to save to config.json
   update (property, value) {
     var path = property.split('.')
     var key = this.state.unsaved.prefs