mirror of
https://github.com/microsoft/playwright.git
synced 2025-06-26 21:40:17 +00:00
107 lines
3.8 KiB
TypeScript
107 lines
3.8 KiB
TypeScript
/**
|
|
* Copyright 2017 Google Inc. All rights reserved.
|
|
* Modifications copyright (c) Microsoft Corporation.
|
|
*
|
|
* 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 { EventEmitter } from 'events';
|
|
import { assert } from '../../helper';
|
|
import { Browser } from '../Browser';
|
|
import { BrowserContext } from '../BrowserContext';
|
|
import { CDPSession, Connection } from '../Connection';
|
|
import { Page } from '../../page';
|
|
import { readProtocolStream } from '../protocolHelper';
|
|
import { Target } from '../Target';
|
|
import { Worker } from './workers';
|
|
import { FrameManager } from '../FrameManager';
|
|
|
|
export class Chromium extends EventEmitter {
|
|
private _connection: Connection;
|
|
private _client: CDPSession;
|
|
private _recording = false;
|
|
private _path = '';
|
|
private _tracingClient: CDPSession | undefined;
|
|
private _browser: Browser;
|
|
|
|
constructor(browser: Browser) {
|
|
super();
|
|
this._connection = browser._connection;
|
|
this._client = browser._client;
|
|
this._browser = browser;
|
|
}
|
|
|
|
browserTarget(): Target {
|
|
return [...this._browser._targets.values()].find(t => t.type() === 'browser');
|
|
}
|
|
|
|
serviceWorker(target: Target): Promise<Worker | null> {
|
|
return target._worker();
|
|
}
|
|
|
|
async startTracing(page: Page<Browser, BrowserContext> | undefined, options: { path?: string; screenshots?: boolean; categories?: string[]; } = {}) {
|
|
assert(!this._recording, 'Cannot start recording trace while already recording trace.');
|
|
this._tracingClient = page ? (page._delegate as FrameManager)._client : this._client;
|
|
|
|
const defaultCategories = [
|
|
'-*', 'devtools.timeline', 'v8.execute', 'disabled-by-default-devtools.timeline',
|
|
'disabled-by-default-devtools.timeline.frame', 'toplevel',
|
|
'blink.console', 'blink.user_timing', 'latencyInfo', 'disabled-by-default-devtools.timeline.stack',
|
|
'disabled-by-default-v8.cpu_profiler', 'disabled-by-default-v8.cpu_profiler.hires'
|
|
];
|
|
const {
|
|
path = null,
|
|
screenshots = false,
|
|
categories = defaultCategories,
|
|
} = options;
|
|
|
|
if (screenshots)
|
|
categories.push('disabled-by-default-devtools.screenshot');
|
|
|
|
this._path = path;
|
|
this._recording = true;
|
|
await this._tracingClient.send('Tracing.start', {
|
|
transferMode: 'ReturnAsStream',
|
|
categories: categories.join(',')
|
|
});
|
|
}
|
|
|
|
async stopTracing(): Promise<Buffer> {
|
|
assert(this._tracingClient, 'Tracing was not started.');
|
|
let fulfill: (buffer: Buffer) => void;
|
|
const contentPromise = new Promise<Buffer>(x => fulfill = x);
|
|
this._tracingClient.once('Tracing.tracingComplete', event => {
|
|
readProtocolStream(this._tracingClient, event.stream, this._path).then(fulfill);
|
|
});
|
|
await this._tracingClient.send('Tracing.end');
|
|
this._recording = false;
|
|
return contentPromise;
|
|
}
|
|
|
|
targets(context?: BrowserContext): Target[] {
|
|
const targets = this._browser._allTargets();
|
|
return context ? targets.filter(t => t.browserContext() === context) : targets;
|
|
}
|
|
|
|
pageTarget(page: Page<Browser, BrowserContext>): Target {
|
|
return Target.fromPage(page);
|
|
}
|
|
|
|
waitForTarget(predicate: (arg0: Target) => boolean, options: { timeout?: number; } | undefined = {}): Promise<Target> {
|
|
return this._browser._waitForTarget(predicate, options);
|
|
}
|
|
|
|
wsEndpoint(): string {
|
|
return this._connection.url();
|
|
}
|
|
}
|