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browser.ts
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browser.ts
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/**
* 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 * as types from '../../types';
import { BrowserChannel, BrowserInitializer } from '../channels';
import { BrowserContext } from './browserContext';
import { Page } from './page';
import { ChannelOwner } from './channelOwner';
import { ConnectionScope } from './connection';
import { Events } from '../../events';
import { CDPSession } from './cdpSession';
export class Browser extends ChannelOwner<BrowserChannel, BrowserInitializer> {
readonly _contexts = new Set<BrowserContext>();
private _isConnected = true;
private _isClosedOrClosing = false;
static from(browser: BrowserChannel): Browser {
return (browser as any)._object;
}
static fromNullable(browser: BrowserChannel | null): Browser | null {
return browser ? Browser.from(browser) : null;
}
constructor(scope: ConnectionScope, guid: string, initializer: BrowserInitializer) {
super(scope, guid, initializer, true);
this._channel.on('close', () => {
this._isConnected = false;
this.emit(Events.Browser.Disconnected);
this._isClosedOrClosing = true;
this._scope.dispose();
});
}
async newContext(options: types.BrowserContextOptions = {}): Promise<BrowserContext> {
delete (options as any).logger;
const context = BrowserContext.from(await this._channel.newContext(options));
this._contexts.add(context);
context._browser = this;
return context;
}
contexts(): BrowserContext[] {
return [...this._contexts];
}
async newPage(options: types.BrowserContextOptions = {}): Promise<Page> {
delete (options as any).logger;
const context = await this.newContext(options);
const page = await context.newPage();
page._ownedContext = context;
context._ownerPage = page;
return page;
}
isConnected(): boolean {
return this._isConnected;
}
async close(): Promise<void> {
if (this._isClosedOrClosing)
return;
this._isClosedOrClosing = true;
await this._channel.close();
}
// Chromium-specific.
async newBrowserCDPSession(): Promise<CDPSession> {
return CDPSession.from(await this._channel.newBrowserCDPSession());
}
}