1// Copyright (C) 2018 The Android Open Source Project 2// 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 15import '../tracks/all_controller'; 16 17import {reportError, setErrorHandler} from '../base/logging'; 18import {Remote} from '../base/remote'; 19import {warmupWasmEngine} from '../common/wasm_engine_proxy'; 20 21import {AppController} from './app_controller'; 22import {globals} from './globals'; 23 24interface OnMessageArg { 25 data: { 26 frontendPort: MessagePort; controllerPort: MessagePort; 27 extensionPort: MessagePort; 28 errorReportingPort: MessagePort; 29 }; 30} 31 32function main() { 33 self.addEventListener('error', e => reportError(e)); 34 self.addEventListener('unhandledrejection', e => reportError(e)); 35 warmupWasmEngine(); 36 let initialized = false; 37 self.onmessage = ({data}: OnMessageArg) => { 38 if (initialized) { 39 console.error('Already initialized'); 40 return; 41 } 42 initialized = true; 43 const frontendPort = data.frontendPort; 44 const controllerPort = data.controllerPort; 45 const extensionPort = data.extensionPort; 46 const errorReportingPort = data.errorReportingPort; 47 setErrorHandler((err: string) => errorReportingPort.postMessage(err)); 48 const frontend = new Remote(frontendPort); 49 controllerPort.onmessage = ({data}) => globals.dispatch(data); 50 51 globals.initialize(new AppController(extensionPort), frontend); 52 }; 53} 54 55main(); 56 57// For devtools-based debugging. 58(self as {} as {globals: {}}).globals = globals; 59