move dock state to renderer process

index.js

@@ -35,10 +35,6 @@ app.on('activate', function () {
   }
 })
 
-app.on('browser-window-focus', function () {
-  setBadge('')
-})
-
 app.on('window-all-closed', function () {
   if (process.platform !== 'darwin') {
     app.quit()
@@ -133,11 +129,7 @@ function setAspectRatio (aspectRatio, extraSize) {
 // Display string in dock badging area (OS X)
 function setBadge (text) {
   debug('setBadge %s', text)
-  if (mainWindow && !mainWindow.isFocused()) {
-    if (text === '+') {
-      // special value to increment the badge number
-      text = (Number(app.dock.getBadge()) || 0) + 1
-    }
+  if (mainWindow) {
     app.dock.setBadge(String(text))
   }
 }

main/index.js

@@ -36,6 +36,11 @@ var state = global.state = {
   },
   view: {
     title: 'WebTorrent',
+    dock: {
+      badge: 0,
+      progress: 0
+    },
+    isFocused: true,
     client: null, // TODO: remove this from the view
     savedWindowBounds: null,
     history: [],
@@ -48,17 +53,17 @@ var state = global.state = {
 var client, currentVDom, rootElement, updateThrottled
 
 function init () {
+  client = global.client = new WebTorrent()
+  client.on('warning', onWarning)
+  client.on('error', onError)
+  state.view.client = client
+
   currentVDom = App(state, dispatch)
   rootElement = createElement(currentVDom)
   document.body.appendChild(rootElement)
 
   updateThrottled = throttle(update, 1000)
 
-  client = new WebTorrent()
-  client.on('warning', onWarning)
-  client.on('error', onError)
-  state.view.client = client
-
   dragDrop('body', onFiles)
 
   chromecasts.on('update', function (player) {
@@ -73,6 +78,16 @@ function init () {
   document.addEventListener('paste', function () {
     electron.ipcRenderer.send('addTorrentFromPaste')
   })
+
+  window.addEventListener('focus', function () {
+    state.view.isFocused = true
+    if (state.view.dock.badge > 0) electron.ipcRenderer.send('setBadge', '')
+    state.view.dock.badge = 0
+  })
+
+  window.addEventListener('blur', function () {
+    state.view.isFocused = false
+  })
 }
 init()
 
@@ -90,15 +105,16 @@ setInterval(function () {
 }, 1000)
 
 function updateDockIcon () {
-  if (state.view.client) {
-    var progress = state.view.client.progress
-    var activeTorrentsExist = state.view.client.torrents.some(function (torrent) {
-      return torrent.progress !== 1
-    })
-    // Hide progress bar when client has no torrents, or progress is 100%
-    if (!activeTorrentsExist || progress === 1) {
-      progress = -1
-    }
+  var progress = state.view.client.progress
+  var activeTorrentsExist = state.view.client.torrents.some(function (torrent) {
+    return torrent.progress !== 1
+  })
+  // Hide progress bar when client has no torrents, or progress is 100%
+  if (!activeTorrentsExist || progress === 1) {
+    progress = -1
+  }
+  if (progress !== state.view.dock.progress) {
+    state.view.dock.progress = progress
     electron.ipcRenderer.send('setProgress', progress)
   }
 }
@@ -175,7 +191,10 @@ function seed (files) {
 function addTorrentEvents (torrent) {
   torrent.on('infoHash', update)
   torrent.on('done', function () {
-    electron.ipcRenderer.send('setBadge', '+')
+    if (!state.view.isFocused) {
+      state.view.dock.badge += 1
+      electron.ipcRenderer.send('setBadge', state.view.dock.badge)
+    }
     update()
   })
   torrent.on('download', updateThrottled)