add control lock.

src/component/internal/control.ts

@@ -1,14 +1,34 @@
+import Vue from 'vue'
+
 import * as EVENT from '../types/events'
 import * as message from '../types/messages'
 
 import { NekoConnection } from './connection'
+import { Control } from '../types/state'
 
 export class NekoControl {
   // eslint-disable-next-line
   constructor(
     private readonly _connection: NekoConnection,
+    private readonly _state: Control,
   ) {}
 
+  public lock() {
+    Vue.set(this._state, 'locked', true)
+  }
+
+  public unlock() {
+    Vue.set(this._state, 'locked', false)
+  }
+
+  public request() {
+    this._connection.websocket.send(EVENT.CONTROL_REQUEST)
+  }
+
+  public release() {
+    this._connection.websocket.send(EVENT.CONTROL_RELEASE)
+  }
+
   public keypress(keysym: number) {
     this._connection.websocket.send(EVENT.CONTROL_KEYPRESS, { keysym } as message.ControlKey)
   }