change IPC module(Raw buffer -> Socket) & set window behaviour for Windows

atom-lib/finder-window.js

@@ -2,29 +2,32 @@ const electron = require('electron')
 const BrowserWindow = electron.BrowserWindow
 const path = require('path')
 
-var finderWindow = new BrowserWindow({
+var config = {
   width: 640,
   height: 400,
   show: false,
   frame: false,
   resizable: false,
   'zoom-factor': 1.0,
-  'always-on-top': true,
   'web-preferences': {
     'overlay-scrollbars': true,
     'skip-taskbar': true
   },
   'standard-window': false
-})
+}
+
+if (process.platform === 'darwin') {
+  config['always-on-top'] = true
+}
+
+var finderWindow = new BrowserWindow(config)
 
 var url = path.resolve(__dirname, '../browser/finder/index.html')
 
 finderWindow.loadURL('file://' + url)
 
-finderWindow.on('blur', function () {
-  finderWindow.hide()
-})
-
-finderWindow.setVisibleOnAllWorkspaces(true)
+if (process.platform === 'darwin') {
+  finderWindow.setVisibleOnAllWorkspaces(true)
+}
 
 module.exports = finderWindow