Windows Thumbnail Bar

* While in the player view, show a play/pause toggle in the thumbnail

main/thumbnail.js

@@ -0,0 +1,35 @@
+module.exports = {
+  showPlayerThumbnailBar,
+  hidePlayerThumbnailBar,
+  updateThumbarButtons
+}
+
+var path = require('path')
+var config = require('../config')
+
+var windows = require('./windows')
+
+// gets called on player open
+function showPlayerThumbnailBar () {
+  updateThumbarButtons(false)
+}
+
+// gets called on player close
+function hidePlayerThumbnailBar () {
+  windows.main.win.setThumbarButtons([])
+}
+
+function updateThumbarButtons (isPaused) {
+  var icon = isPaused ? 'PlayThumbnailBarButton.png' : 'PauseThumbnailBarButton.png'
+  var tooltip = isPaused ? 'Play' : 'Pause'
+  var buttons = [
+    {
+      tooltip: tooltip,
+      icon: path.join(config.STATIC_PATH, icon),
+      click: function () {
+        windows.main.send('dispatch', 'playPause')
+      }
+    }
+  ]
+  windows.main.win.setThumbarButtons(buttons)
+}