From 8ab2a1415bb6bf83c0efb7f703d97cbdd716a8f5 Mon Sep 17 00:00:00 2001
From: Feross Aboukhadijeh <feross@feross.org>
Date: Mon, 7 Mar 2016 19:36:01 -0800
Subject: [PATCH] =?UTF-8?q?update=20player=20window=20title=C2=A0to=20torr?=
 =?UTF-8?q?ent=20name=20(Windows,=20Linux)?=
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This also moves all the state “diffing” for purposes of updating the
app’s window via Electron APIs into one function updateElectron().
---
 main/ipc.js       |  4 ++++
 renderer/index.js | 32 +++++++++++++++++++++++---------
 renderer/state.js |  1 +
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/main/ipc.js b/main/ipc.js
index 9fdaf938..ea476b06 100644
--- a/main/ipc.js
+++ b/main/ipc.js
@@ -32,6 +32,10 @@ function init () {
     windows.main.setFullScreen(!windows.main.isFullScreen())
   })
 
+  ipcMain.on('setTitle', function (e, title) {
+    windows.main.setTitle(title)
+  })
+
   ipcMain.on('log', function (e, message) {
     console.log(message)
   })
diff --git a/renderer/index.js b/renderer/index.js
index d2f45d43..6b240487 100644
--- a/renderer/index.js
+++ b/renderer/index.js
@@ -68,7 +68,10 @@ function init () {
   // Calling update() updates the UI given the current state
   // Do this at least once a second to show latest state for each torrent
   // (eg % downloaded) and to keep the cursor in sync when playing a video
-  setInterval(update, 1000)
+  setInterval(function () {
+    update()
+    updateClientProgress()
+  }, 1000)
 
   // All state lives in state.js. `state.saved` is read from and written to a
   // file. All other state is ephemeral. Here we'll load state.saved:
@@ -105,7 +108,6 @@ function init () {
   // ...focus and blur. Needed to show correct dock icon text ("badge") in OSX
   window.addEventListener('focus', function () {
     state.isFocused = true
-    if (state.dock.badge > 0) ipcRenderer.send('setBadge', '')
     state.dock.badge = 0
   })
 
@@ -127,7 +129,21 @@ function render (state) {
 // Calls render() to go from state -> UI, then applies to vdom to the real DOM.
 function update () {
   vdomLoop.update(state)
-  updateDockIcon()
+  updateElectron()
+}
+
+function updateElectron () {
+  if (state.title !== state.prev.title) {
+    state.prev.title = state.title
+    ipcRenderer.send('setTitle', state.title)
+  }
+  if (state.dock.progress !== state.prev.progress) {
+    state.prev.progress = state.dock.progress
+    ipcRenderer.send('setProgress', state.dock.progress)
+  }
+  if (state.dock.badge !== state.prev.badge) {
+    ipcRenderer.send('setBadge', state.dock.badge || '')
+  }
 }
 
 // Events from the UI never modify state directly. Instead they call dispatch()
@@ -247,7 +263,7 @@ function saveState () {
   })
 }
 
-function updateDockIcon () {
+function updateClientProgress () {
   var progress = state.client.progress
   var activeTorrentsExist = state.client.torrents.some(function (torrent) {
     return torrent.progress !== 1
@@ -256,10 +272,7 @@ function updateDockIcon () {
   if (!activeTorrentsExist || progress === 1) {
     progress = -1
   }
-  if (progress !== state.dock.progress) {
-    state.dock.progress = progress
-    ipcRenderer.send('setProgress', progress)
-  }
+  state.dock.progress = progress
 }
 
 function onFiles (files) {
@@ -367,7 +380,6 @@ function addTorrentEvents (torrent) {
 
     if (!state.isFocused) {
       state.dock.badge += 1
-      ipcRenderer.send('setBadge', state.dock.badge)
     }
 
     update()
@@ -433,6 +445,8 @@ function openPlayer (infoHash) {
 function closePlayer () {
   state.url = '/'
   state.title = config.APP_NAME
+  update()
+
   if (state.isFullScreen) {
     ipcRenderer.send('toggleFullScreen')
   }
diff --git a/renderer/state.js b/renderer/state.js
index 4fb84a45..8fe8b7a2 100644
--- a/renderer/state.js
+++ b/renderer/state.js
@@ -31,6 +31,7 @@ module.exports = {
     duration: 1, /* seconds */
     mouseStationarySince: 0 /* Unix time in ms */
   },
+  prev: {}, /* used for state diffing in updateElectron() */
 
   /* Saved state is read from and written to a file every time the app runs.
    * It should be simple and minimal and must be JSON.