Make remote app minimize, maximize and close buttons affect Clapper

src/headerbarRemote.js

@@ -0,0 +1,20 @@
+const { GObject } = imports.gi;
+const { HeaderBarBase } = imports.src.headerbarBase;
+
+var HeaderBarRemote = GObject.registerClass(
+class ClapperHeaderBarRemote extends HeaderBarBase
+{
+    _init()
+    {
+        super._init();
+        this.extraButtonsBox.visible = false;
+    }
+
+    _onWindowButtonActivate(action)
+    {
+        if(action === 'toggle-maximized')
+            action = 'toggle_maximized';
+
+        this.root.child.sendWs(action);
+    }
+});