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How to use createFullscreenEmulationManager method in chromy

Best JavaScript code snippet using chromy

index.js

Source:index.js

...443      opts = Object.assign({}, opts, params)444    } else if ((typeof model) === 'object') {445      opts = Object.assign({}, opts, model)446    }447    const emulation = await createFullscreenEmulationManager(this, opts.model, false, opts.useDeviceResolution)448    let result = null449    try {450      await emulation.emulate()451      // device resolution is already emulated by emulation manager, so useDeviceResotion must be set true452      const screenshotParams = Object.assign({}, opts, {useDeviceResolution: true})453      delete screenshotParams.model454      result = await this.screenshot(screenshotParams)455    } finally {456      await emulation.reset()457      // restore emulation mode458      await this._restoreEmulationSetting()459    }460    return result461  }462  async screenshotSelector (selector, format = 'png', quality = undefined, fromSurface = true) {463    let opts = {464      format: 'png',465      fromSurface: true,466      useDeviceResolution: false,467    }468    if ((typeof format) === 'string') {469      const params = {470        format: format,471        quality: quality,472        fromSurface: fromSurface,473      }474      opts = Object.assign({}, opts, params)475    } else if ((typeof format) === 'object') {476      opts = Object.assign({}, opts, format)477    }478    return this._screenshotSelector(selector, opts)479  }480  async _screenshotSelector (selector, opts) {481    const emulation = await createFullscreenEmulationManager(this, 'scroll', true, opts.useDeviceResolution)482    let buffer = null483    try {484      await emulation.emulate()485      await this.scrollTo(0, 0)486      let rect = await this.getBoundingClientRect(selector)487      if (!rect || rect.width === 0 || rect.height === 0) {488        return null489      }490      let clip = {491        x: rect.left,492        y: rect.top,493        width: rect.width,494        height: rect.height,495        scale: 1,496      }497      let screenshotOpts = Object.assign({}, opts, {clip})498      const {data} = await this.client.Page.captureScreenshot(screenshotOpts)499      buffer = Buffer.from(data, 'base64')500    } finally {501      emulation.reset()502    }503    return buffer504  }505  async screenshotMultipleSelectors (selectors, callback, options = {}) {506    return this._screenshotMultipleSelectors(selectors, callback, options)507  }508  async _screenshotMultipleSelectors (selectors, callback, options = {}) {509    const defaults = {510      model: 'scroll',511      format: 'png',512      quality: undefined,513      fromSurface: true,514      useDeviceResolution: false,515      useQuerySelectorAll: false,516    }517    const opts = Object.assign({}, defaults, options)518    const emulation = await createFullscreenEmulationManager(this, 'scroll', true, opts.useDeviceResolution)519    await emulation.emulate()520    try {521      for (let selIdx = 0; selIdx < selectors.length; selIdx++) {522        let selector = selectors[selIdx]523        try {524          let rects = null525          if (opts.useQuerySelectorAll) {526            rects = await this.rectAll(selector)527            // remove elements that has 'display: none'528            rects = rects.filter(rect => rect.width !== 0 && rect.height !== 0)529          } else {530            const r = await this.getBoundingClientRect(selector)531            if (r && r.width !== 0 && r.height !== 0) {532              rects = [r]...

emulation.js

Source:emulation.js

1class FullscreenEmulationManager {2  constructor (chromy, model, captureSelector, useDeviceResolution) {3    this._chromy = chromy4    this._client = chromy.client5    this._model = model6    this._captureSelector = captureSelector7    this._useDeviceResolution = useDeviceResolution8    this.browserInfo = null9  }10  async init () {11    let width = 012    let height = 013    const info = await this._chromy._getScreenInfo()14    this.browserInfo = info15    if (this._model === 'box') {16      const DOM = this._client.DOM17      const {root: {nodeId: documentNodeId}} = await DOM.getDocument()18      const {nodeId: bodyNodeId} = await DOM.querySelector({19        selector: 'body',20        nodeId: documentNodeId,21      })22      const box = await DOM.getBoxModel({nodeId: bodyNodeId})23      width = box.model.width24      height = box.model.height25    } else {26      width = info.width27      height = info.height28    }29    this._deviceMetrics = {30      width,31      height,32      deviceScaleFactor: 0,33      mobile: false,34      fitWindow: false,35    }36    if (this._captureSelector && this._deviceMetrics.height > 10000) {37      this._deviceMetrics.height = 1000038    }39    if (this._chromy._chromeVersion >= 61) {40      if (this._useDeviceResolution) {41        this._deviceMetrics.deviceScaleFactor = info.devicePixelRatio42      } else {43        this._deviceMetrics.deviceScaleFactor = 144      }45    }46  }47  async emulate () {48    const m = this._deviceMetrics49    if (this._chromy._chromeVersion < 61) {50      await this._client.Emulation.setVisibleSize({width: m.width, height: m.height})51      await this._client.Emulation.forceViewport({x: 0, y: 0, scale: 1})52    } else {53      await this._client.Emulation.resetPageScaleFactor()54    }55    await this._client.Emulation.setDeviceMetricsOverride(m)56    await this._chromy.scrollTo(0, 0)57    await this._chromy.sleep(200)58  }59  async reset () {60    const info = this.browserInfo61    if (this._chromy._chromeVersion < 61) {62      await this._client.Emulation.resetViewport()63      await this._client.Emulation.clearDeviceMetricsOverride()64      await this._client.Emulation.setVisibleSize({width: info.viewportWidth, height: info.viewportHeight})65    } else {66      await this._client.Emulation.clearDeviceMetricsOverride()67    }68  }69}70async function createFullscreenEmulationManager (chromy, model, captureSelector = false, useDeviceResolution = false) {71  const manager = new FullscreenEmulationManager(chromy, model, captureSelector, useDeviceResolution)72  await manager.init()73  return manager74}...

Using AI Code Generation

1const chromy = new Chromy();2const manager = chromy.createFullscreenEmulationManager();3await manager.enter();4await chromy.screenshot({path: 'google.png'});5await manager.exit();6await chromy.close();7const chromy = new Chromy(options);8Default: `{width: 800, height: 600}`9Default: `{x: 0, y: 0}`10Default: `{}`11The options to launch Chrome. See [puppeteer.launch()](

Using AI Code Generation

1const chromy = require('chromy');2const fs = require('fs');3const path = require('path');4const chrome = require('chrome-remote-interface');5const createFullscreenEmulationManager = require('chromy/lib/fullscreen-emulation-manager');6const width = 1920;7const height = 1080;8const output = 'google.png';9chromy.chain()10  .goto(url)11  .wait(1000)12  .evaluate(() => {13    return {14    };15  })16  .result((size) => {17    console.log(size);18    chrome((client) => {19      const {Page, Emulation, Network} = client;20      Promise.all([21        Page.enable(),22        Network.enable(),23        Emulation.setDeviceMetricsOverride({24        }),25        createFullscreenEmulationManager(client)26      ]).then(() => {27        Page.captureScreenshot({28        }).then((result) => {29          fs.writeFileSync(path.join(__dirname, output), new Buffer(result.data, 'base64'));30          client.close();31          chromy.close();32        });33      });34    }).on('error', (err) => {35      console.error(err);36    });37  })38  .run();

Using AI Code Generation

1const chromy = new Chromy();2const manager = chromy.createFullscreenEmulationManager();3const chromy = new Chromy();4await chromy.emulateDeviceScreenSize('iPhone 6');5const chromy = new Chromy();6await chromy.emulateDeviceUserAgent('iPhone 6');7const chromy = new Chromy();8await chromy.emulateDeviceMetrics('iPhone 6');9const chromy = new Chromy();10await chromy.emulateDevice('iPhone 6');11const chromy = new Chromy();12await chromy.emulateDeviceOrientation('iPhone 6', 'landscape');13const chromy = new Chromy();14await chromy.emulateDeviceOrientationAndDeviceScaleFactor('iPhone 6', 'landscape', 2);15const chromy = new Chromy();16await chromy.emulateDeviceScaleFactor('iPhone 6', 2);17const chromy = new Chromy();18await chromy.emulateDeviceViewport('iPhone 6', {width: 500, height: 500});

Using AI Code Generation

1const chromy = require('chromy')2chromy.createFullscreenEmulationManager().then((manager) => {3  manager.on('enterFullscreen', (data) => {4    console.log('enterFullscreen')5    console.log(data)6  })7  manager.on('leaveFullscreen', (data) => {8    console.log('leaveFullscreen')9    console.log(data)10  })11  manager.on('enterFullscreenForElement', (data) => {12    console.log('enterFullscreenForElement')13    console.log(data)14  })15  manager.on('leaveFullscreenForElement', (data) => {16    console.log('leaveFullscreenForElement')17    console.log(data)18  })19  manager.on('enterHtmlFullscreen', (data) => {20    console.log('enterHtmlFullscreen')21    console.log(data)22  })23  manager.on('leaveHtmlFullscreen', (data) => {24    console.log('leaveHtmlFullscreen')25    console.log(data)26  })27}).then((manager) => {28  return chromy.chain()29    .wait(() => {30    })31    .evaluate(() => {32      const video = document.querySelector('video')33      video.requestFullscreen()34      document.querySelector('#html5').requestFullscreen()35    })36    .wait(10000)37    .evaluate(() => {38      document.exitFullscreen()39    })40    .wait(10000)41    .end()42    .then(() => {43      manager.dispose()44    })45})

Using AI Code Generation

1var Chromy = require('chromy')2var chromy = new Chromy()3chromy.chain()4  .wait(2000)5  .screenshot('screenshot1.png')6  .emulateFullscreen()7  .wait(2000)8  .screenshot('screenshot2.png')9  .restoreWindowSize()10  .wait(2000)11  .screenshot('screenshot3.png')12  .end()13  .then(function () {14    console.log('done')15  })16var Chromy = require('chromy')17var chromy = new Chromy()18chromy.chain()19  .wait(2000)20  .screenshot('screenshot1.png')21  .emulateFullscreen()22  .wait(2000)23  .screenshot('screenshot2.png')24  .restoreWindowSize()25  .wait(2000)26  .screenshot('screenshot3.png')27  .end()28  .then(function () {29    console.log('done')30  })31var Chromy = require('chromy')32var chromy = new Chromy()33chromy.chain()34  .wait(2000)35  .screenshot('screenshot1.png')36  .emulateFullscreen()37  .wait(2000)38  .screenshot('screenshot2.png')39  .restoreWindowSize()40  .wait(2000)41  .screenshot('screenshot3.png')42  .end()43  .then(function () {44    console.log('done')45  })46var Chromy = require('chromy')

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