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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