blob: d0d1ceaf1032b11225e0d124ddee11555b78deed [file] [log] [blame]
// 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;
}
}