154 lines
4.1 KiB
JavaScript
154 lines
4.1 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 path = require('path');
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const {JSHandle} = require('./ExecutionContext');
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const {helper} = require('./helper');
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class ElementHandle extends JSHandle {
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/**
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* @param {!Puppeteer.ExecutionContext} context
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* @param {!Puppeteer.Session} client
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* @param {!Object} remoteObject
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* @param {!Puppeteer.Page} page
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*/
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constructor(context, client, remoteObject, page) {
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super(context, client, remoteObject);
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this._client = client;
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this._remoteObject = remoteObject;
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this._page = page;
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this._disposed = false;
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}
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/**
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* @override
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* @return {?ElementHandle}
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*/
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asElement() {
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return this;
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}
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async _scrollIntoViewIfNeeded() {
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const error = await this.executionContext().evaluate(element => {
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if (!element.ownerDocument.contains(element))
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return 'Node is detached from document';
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if (element.nodeType !== Node.ELEMENT_NODE)
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return 'Node is not of type HTMLElement';
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element.scrollIntoViewIfNeeded();
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return false;
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}, this);
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if (error)
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throw new Error(error);
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}
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/**
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* @return {!Promise<{x: number, y: number}>}
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*/
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async _visibleCenter() {
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await this._scrollIntoViewIfNeeded();
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const box = await this.boundingBox();
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return {
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x: box.x + box.width / 2,
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y: box.y + box.height / 2
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};
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}
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async hover() {
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const {x, y} = await this._visibleCenter();
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await this._page.mouse.move(x, y);
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}
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/**
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* @param {!Object=} options
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*/
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async click(options) {
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const {x, y} = await this._visibleCenter();
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await this._page.mouse.click(x, y, options);
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}
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/**
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* @param {!Array<string>} filePaths
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* @return {!Promise}
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*/
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async uploadFile(...filePaths) {
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const files = filePaths.map(filePath => path.resolve(filePath));
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const objectId = this._remoteObject.objectId;
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return this._client.send('DOM.setFileInputFiles', { objectId, files });
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}
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async tap() {
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const {x, y} = await this._visibleCenter();
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await this._page.touchscreen.tap(x, y);
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}
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async focus() {
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await this.executionContext().evaluate(element => element.focus(), this);
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}
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/**
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* @param {string} text
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* @param {{delay: (number|undefined)}=} options
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*/
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async type(text, options) {
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await this.focus();
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await this._page.keyboard.type(text, options);
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}
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/**
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* @param {string} key
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* @param {!Object=} options
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*/
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async press(key, options) {
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await this.focus();
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await this._page.keyboard.press(key, options);
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}
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/**
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* @return {!Promise<{x: number, y: number, width: number, height: number}>}
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*/
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async boundingBox() {
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const {model} = await this._client.send('DOM.getBoxModel', {
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objectId: this._remoteObject.objectId
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});
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if (!model)
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throw new Error('Node is detached from document');
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const quad = model.border;
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const x = Math.min(quad[0], quad[2], quad[4], quad[6]);
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const y = Math.min(quad[1], quad[3], quad[5], quad[7]);
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const width = Math.max(quad[0], quad[2], quad[4], quad[6]) - x;
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const height = Math.max(quad[1], quad[3], quad[5], quad[7]) - y;
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return {x, y, width, height};
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}
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/**
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*
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* @param {!Object=} options
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* @returns {!Promise<Object>}
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*/
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async screenshot(options = {}) {
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await this._scrollIntoViewIfNeeded();
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const boundingBox = await this.boundingBox();
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return await this._page.screenshot(Object.assign({}, {
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clip: boundingBox
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}, options));
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}
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}
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module.exports = ElementHandle;
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helper.tracePublicAPI(ElementHandle);
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