新增任务栏缩略图工具栏控制按钮

src/main/modules/taskbar/event/event.js

@@ -0,0 +1,11 @@
+const { EventEmitter } = require('events')
+const TASKBAR_EVENT_NAME = require('./name')
+
+class TaskBar extends EventEmitter {
+  thumbarButtonClick(type) {
+    this.emit(TASKBAR_EVENT_NAME.thumbarButtonClick, type)
+  }
+}
+
+module.exports = TaskBar
+