Minimize to tray

Fixes #150

main/tray.js

@@ -0,0 +1,31 @@
+module.exports = {
+  init
+}
+
+var path = require('path')
+var electron = require('electron')
+var windows = require('./windows')
+
+function init () {
+  // No tray icon on OSX
+  if (process.platform === 'darwin') return
+
+  var trayIcon = new electron.Tray(path.join(__dirname, '..', 'static', 'WebTorrentSmall.png'))
+
+  // On Windows, left click to open the app, right click for context menu
+  // On Linux, any click (right or left) opens the context menu
+  trayIcon.on('click', showApp)
+  var contextMenu = electron.Menu.buildFromTemplate([
+    { label: 'Show', click: showApp },
+    { label: 'Quit', click: quitApp }
+  ])
+  trayIcon.setContextMenu(contextMenu)
+}
+
+function showApp () {
+  windows.main.show()
+}
+
+function quitApp () {
+  electron.app.quit()
+}