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/**
* Copyright 2022 Google Inc. All rights reserved.
*
* 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 Protocol from 'devtools-protocol';
import {CDPSession} from './Connection.js';
import {EventEmitter} from './EventEmitter.js';
import {Target} from './Target.js';
/**
* @internal
*/
export type TargetFactory = (
targetInfo: Protocol.Target.TargetInfo,
session?: CDPSession
) => Target;
/**
* @internal
*/
export type TargetInterceptor = (
createdTarget: Target,
parentTarget: Target | null
) => Promise<void>;
/**
* TargetManager encapsulates all interactions with CDP targets and is
* responsible for coordinating the configuration of targets with the rest of
* Puppeteer. Code outside of this class should not subscribe `Target.*` events
* and only use the TargetManager events.
*
* There are two implementations: one for Chrome that uses CDP's auto-attach
* mechanism and one for Firefox because Firefox does not support auto-attach.
*
* @internal
*/
export interface TargetManager extends EventEmitter {
getAvailableTargets(): Map<string, Target>;
initialize(): Promise<void>;
dispose(): void;
addTargetInterceptor(
session: CDPSession,
interceptor: TargetInterceptor
): void;
removeTargetInterceptor(
session: CDPSession,
interceptor: TargetInterceptor
): void;
}
/**
* @internal
*/
export const enum TargetManagerEmittedEvents {
TargetDiscovered = 'targetDiscovered',
TargetAvailable = 'targetAvailable',
TargetGone = 'targetGone',
TargetChanged = 'targetChanged',
}
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