// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

chrome.runtime.onMessage.addListener((msg) => {
  switch (msg) {
    case 'focus-on':
      document.body.setAttribute('data-focus-mode', 'on');
      break;
    case 'focus-off':
      document.body.removeAttribute('data-focus-mode');
      break;
  }
});