Keyboard shortcuts: volume shortcuts should be local

`globalShortcut` will register the shortcut at the OS level, even when
the app is not focused.

Using `localShortcut` would work, but let's put it in the top menu
instead, where all the other shortcuts are.

main/ipc.js

@@ -23,13 +23,8 @@ function init () {
     app.emit('ipcReady')
   })
 
-  ipcMain.on('showOpenTorrentFile', function (e) {
+  ipcMain.on('showOpenTorrentFile', menu.showOpenTorrentFile)
-    menu.showOpenTorrentFile()
+  ipcMain.on('showCreateTorrent', menu.showCreateTorrent)
-  })
-
-  ipcMain.on('showCreateTorrent', function (e) {
-    menu.showCreateTorrent()
-  })
 
   ipcMain.on('setBounds', function (e, bounds, maximize) {
     setBounds(bounds, maximize)
@@ -62,6 +57,9 @@ function init () {
 
   ipcMain.on('blockPowerSave', blockPowerSave)
   ipcMain.on('unblockPowerSave', unblockPowerSave)
+
+  ipcMain.on('onPlayerOpen', menu.onPlayerOpen)
+  ipcMain.on('onPlayerClose', menu.onPlayerClose)
 }
 
 function setBounds (bounds, maximize) {

main/menu.js

@@ -3,6 +3,8 @@ module.exports = {
   onToggleFullScreen,
   onWindowHide,
   onWindowShow,
+  onPlayerOpen,
+  onPlayerClose,
   showCreateTorrent,
   showOpenTorrentFile,
   toggleFullScreen
@@ -44,6 +46,18 @@ function toggleFloatOnTop (flag) {
   }
 }
 
+function increaseVolume () {
+  if (windows.main) {
+    windows.main.send('dispatch', 'changeVolume', 0.1)
+  }
+}
+
+function decreaseVolume () {
+  if (windows.main) {
+    windows.main.send('dispatch', 'changeVolume', -0.1)
+  }
+}
+
 function toggleDevTools () {
   debug('toggleDevTools')
   if (windows.main) {
@@ -75,6 +89,16 @@ function onWindowHide () {
   getMenuItem('Float on Top').enabled = false
 }
 
+function onPlayerOpen () {
+  getMenuItem('Increase Volume').enabled = true
+  getMenuItem('Decrease Volume').enabled = true
+}
+
+function onPlayerClose () {
+  getMenuItem('Increase Volume').enabled = false
+  getMenuItem('Decrease Volume').enabled = false
+}
+
 function onToggleFullScreen (isFullScreen) {
   isFullScreen = isFullScreen != null ? isFullScreen : windows.main.isFullScreen()
   windows.main.setMenuBarVisibility(!isFullScreen)
@@ -196,6 +220,21 @@ function getAppMenuTemplate () {
         {
           type: 'separator'
         },
+        {
+          label: 'Increase Volume',
+          accelerator: 'CmdOrCtrl+Up',
+          click: increaseVolume,
+          enabled: false
+        },
+        {
+          label: 'Decrease Volume',
+          accelerator: 'CmdOrCtrl+Down',
+          click: decreaseVolume,
+          enabled: false
+        },
+        {
+          type: 'separator'
+        },
         {
           label: 'Developer',
           submenu: [

main/shortcuts.js

@@ -18,8 +18,4 @@ function init () {
   // Electron does not support multiple accelerators for a single menu item, so this
   // is registered separately here.
   localShortcut.register('CmdOrCtrl+Shift+F', menu.toggleFullScreen)
-
-  // Control Volume
-  globalShortcut.register('CmdOrCtrl+Up', () => windows.main.send('dispatch', 'changeVolume', 0.1))
-  globalShortcut.register('CmdOrCtrl+Down', () => windows.main.send('dispatch', 'changeVolume', -0.1))
 }

renderer/index.js

@@ -716,10 +716,30 @@ function openPlayer (torrentSummary, index, cb) {
     // otherwise, play the video
     state.window.title = torrentSummary.name
     update()
+
+    ipcRenderer.send('onPlayerOpen')
+
     cb()
   })
 }
 
+function closePlayer (cb) {
+  state.window.title = config.APP_WINDOW_TITLE
+  update()
+
+  if (state.window.isFullScreen) {
+    dispatch('toggleFullScreen', false)
+  }
+  restoreBounds()
+  stopServer()
+  update()
+
+  ipcRenderer.send('unblockPowerSave')
+  ipcRenderer.send('onPlayerClose')
+
+  cb()
+}
+
 function openFile (torrentSummary, index) {
   var torrent = state.client.get(torrentSummary.infoHash)
   if (!torrent) return
@@ -743,22 +763,6 @@ function openFolder (torrentSummary) {
   })
 }
 
-function closePlayer (cb) {
-  state.window.title = config.APP_WINDOW_TITLE
-  update()
-
-  if (state.window.isFullScreen) {
-    dispatch('toggleFullScreen', false)
-  }
-  restoreBounds()
-  stopServer()
-  update()
-
-  ipcRenderer.send('unblockPowerSave')
-
-  cb()
-}
-
 function toggleTorrent (torrentSummary) {
   if (torrentSummary.status === 'paused') {
     torrentSummary.status = 'new'