mirror of
https://github.com/puppeteer/puppeteer
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a6cf8237b8
The patch introduces a new appMode option to the launcher. This is an experimental option, thus we don't document it.
84 lines
2.2 KiB
JavaScript
84 lines
2.2 KiB
JavaScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const {helper} = require('./helper');
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const Page = require('./Page');
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const EventEmitter = require('events');
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class Browser extends EventEmitter {
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/**
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* @param {!Connection} connection
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* @param {!Object=} options
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* @param {function():Promise=} closeCallback
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*/
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constructor(connection, options = {}, closeCallback) {
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super();
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this._ignoreHTTPSErrors = !!options.ignoreHTTPSErrors;
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this._appMode = !!options.appMode;
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this._screenshotTaskQueue = new TaskQueue();
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this._connection = connection;
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this._closeCallback = closeCallback || new Function();
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}
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/**
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* @return {string}
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*/
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wsEndpoint() {
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return this._connection.url();
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}
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/**
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* @return {!Promise<!Page>}
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*/
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async newPage() {
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const {targetId} = await this._connection.send('Target.createTarget', {url: 'about:blank'});
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const client = await this._connection.createSession(targetId);
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return await Page.create(client, this._ignoreHTTPSErrors, this._appMode, this._screenshotTaskQueue);
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}
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/**
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* @return {!Promise<string>}
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*/
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async version() {
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const version = await this._connection.send('Browser.getVersion');
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return version.product;
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}
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async close() {
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this._connection.dispose();
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await this._closeCallback.call(null);
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}
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}
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module.exports = Browser;
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helper.tracePublicAPI(Browser);
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class TaskQueue {
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constructor() {
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this._chain = Promise.resolve();
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}
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/**
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* @param {function()} task
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* @return {!Promise}
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*/
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postTask(task) {
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const result = this._chain.then(task);
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this._chain = result.catch(() => {});
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return result;
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}
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}
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