1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import { Log } from '../utils/Log';
17import { Constants } from '../utils/Constants';
18import type { EventBus } from './eventbus/EventBus';
19import { EventBusManager } from './eventbus/EventBusManager';
20import { WorkerManager } from './WorkerManager';
21import type { IModeMap } from '../featureservice/IModeMap';
22
23const TAG = '[CameraWorker]:';
24
25export class CameraWorker {
26  private appEventBus: EventBus = EventBusManager.getWorkerInstance().getEventBus();
27  private workerManager: WorkerManager;
28
29  constructor(modeMap: IModeMap) {
30    this.workerManager = new WorkerManager();
31    // 接收UI线程的消息,并继续发送
32    this.appEventBus.on('MAIN_TO_WORKER', (msg) => {
33      Log.info(`[CameraWorker]:  action from main thread: ${JSON.stringify(msg)}`);
34      this.workerManager.onMessage(msg);
35    })
36  }
37
38  public static getInstance(modeMap: IModeMap): CameraWorker {
39    if (!AppStorage.Has(Constants.APP_KEY_CAMERA_WORKER)) {
40      AppStorage.SetOrCreate(Constants.APP_KEY_CAMERA_WORKER, new CameraWorker(modeMap));
41      Log.info(`${TAG} build new CameraWorker.`);
42    }
43    return AppStorage.Get(Constants.APP_KEY_CAMERA_WORKER);
44  }
45}