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