| // Copyright (C) 2018 The Android Open Source Project |
| // |
| // 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 |
| // |
| // http://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. |
| |
| import {RECORDING_V2_FLAG} from '../common/feature_flags'; |
| import {globals} from '../controller/globals'; |
| |
| import {Child, Controller, ControllerInitializerAny} from './controller'; |
| import {PermalinkController} from './permalink_controller'; |
| import {RecordController} from './record_controller'; |
| import {TraceController} from './trace_controller'; |
| |
| // The root controller for the entire app. It handles the lifetime of all |
| // the other controllers (e.g., track and query controllers) according to the |
| // global state. |
| export class AppController extends Controller<'main'> { |
| // extensionPort is needed for the RecordController to communicate with the |
| // extension through the frontend. This is because the controller is running |
| // on a worker, and isn't able to directly send messages to the extension. |
| private extensionPort: MessagePort; |
| |
| constructor(extensionPort: MessagePort) { |
| super('main'); |
| this.extensionPort = extensionPort; |
| } |
| |
| // This is the root method that is called every time the controller tree is |
| // re-triggered. This can happen due to: |
| // - An action received from the frontend. |
| // - An internal promise of a nested controller being resolved and manually |
| // re-triggering the controllers. |
| run() { |
| const childControllers: ControllerInitializerAny[] = |
| [Child('permalink', PermalinkController, {})]; |
| if (!RECORDING_V2_FLAG.get()) { |
| childControllers.push(Child( |
| 'record', |
| RecordController, |
| {app: globals, extensionPort: this.extensionPort})); |
| } |
| for (const engineCfg of Object.values(globals.state.engines)) { |
| childControllers.push(Child(engineCfg.id, TraceController, engineCfg.id)); |
| } |
| return childControllers; |
| } |
| } |