Bing Image Download Button

Add an image download button on Bing's home page.

Fra 17.07.2022. Se den seneste versjonen.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @namespace   https://greasyfork.org/en/users/131965-levinit
// @author      levinit
// @name        Bing Image Download Button
// @name:zh-CN  必应图片下载按钮
// @name:zh-TW  必應圖片下載按鈕
// @name:ko     Bing 이미지 다운로드 버튼
// @name:fr     Bouton de téléchargement d'image Bing
// @name:ja     Bing画像ダウンロードボタン
// @description Add an image download button on Bing's home page.
// @description:zh-CN  在必应首页添加一个图片下载按钮。
// @description:zh-TW  在必應首頁添加一个圖片下載按鈕。
// @description:ko    빙 홈페이지에 이미지 다운로드 버튼 추가
// @description:fr    Ajouter le bouton de téléchargement d'image à la page d'accueil Bing.
// @description:ja    Bingホームページに画像ダウンロードボタンを追加する。
// @include     *://cn.bing.com/
// @include     *://cn.bing.com/*
// @include     *://www.bing.com/
// @include     *://www.bing.com/*
// @run-at      document-end
// @version     1.3.6
// @homepage    https://github.com/levinit/bing-image-download-button
// @supportURL  https://github.com/levinit/bing-image-download-button
// @grant       none
// ==/UserScript==

const bingDownloadBtnConfig = {
  //下载按钮css样式
  btnStyles: {
    'color': '',
    'font-size': '1.5em',
    'padding': '0.25em',
    'border-radius': '0.25em',
    'box-shadow': '0 0 3 px rgba(125, 125, 125, 0.25)',
    'right': '20%',
    'top': '12.5%',
    'background': '#c3d1cf94',
    'position': 'fixed'
  },
  //下载按钮上的文字
  btnText() {
    let text = 'Download Today Bing Picture' //lang en
    switch (navigator.language.toLowerCase()) {
      case 'zh':
      case 'zh-cn':
      case 'zh-sg':
        text = '下载今日必应图片'
        break;
      case 'zh-tw':
      case 'zh-hk':
        text = '下載今日必應圖片'
        break;
      case 'ko':
      case 'ko_kr':
        text = '오늘의 빙 이미지 다운로드'
        break;
      case 'ja':
      case 'ja_jp':
        text = '今日のBing画像をダウンロードする'
        break
      case 'fr':
      case 'fr_be':
      case 'fr_ca':
      case 'fr_ch':
      case 'fr_fr':
      case 'fr_lu':
        text = 'Téléchargez les image de bing aujourd’hui'
        break
      default:
        break;
    }
    return text
  },
  //当前要下载的bing图片的信息
  imgInfo: {
    url: '',
    name: "",
    'name-rule': { //图片默认命名规则,true项的内容将写入到图片名中
      //图片名字信息来自于图片的url 一般形如 flower_12345_1920x1080 形式
      'baseName': true, //基础名字
      'imgNO': false, //数字编号
      'imgResolution': false, //分辨率
      'dateInfo': true, //日期信息(从浏览器中获取的操作系统日期信息)
      'description': true, //描述信息(bing首页右下角获取)
      'copyright': false //图片版权信息(同上)
    },
    //bing提供的图片分辨率 不设置则使用默认 默认分辨率一般和当前系统设置、显示器分辨率有关
    resolution: '' //1366x768 1280x720 1920x1080
  },
  //设置菜单
  menuInfo: {
    menuWrapStyles: {
      'position': 'fixed',
      'z-index': '9',
      'right': '1%',
      'top': '5%',
      'font-size': '1.25em',
      'display': 'none'
    },
    //设置菜单相关标签的id值
    menuWrapId: 'bing-download-settings',
    resetBtnId: 'reset-menu-settings',
    closeBtnClass: 'close-settings-menu',
    saveBtnId: 'save-menu-settings'
  },
  //本项目信息
  about: {
    github: 'https://github.com/levinit/bing-image-download-button',
    greasyfork: 'https://greasyfork.org/zh-TW/scripts/35070-bing-image-download-button'
  },
  //本地存储使用的key 用于存储菜单中设置的信息
  localStoreKey: 'bingImgDownload'
}

//当前日期偏移量 本日为0 bing可以查看前7天图片 0-7

let dateOffset = 0

//从本地存储中取得设置的信息写入到bingDownloadBtn相关项中
function getSavedSettings(info) {
  if (localStorage.getItem(info.localStoreKey)) {

    //本地存储的设置信息
    const savedSettings = JSON.parse(localStorage.getItem(bingDownloadBtnConfig.localStoreKey))
    const setSettings = function (settingsObj, savedSettingsObj) {
      //遍历本地存储的设置信息,写入到bingDownloadBtn设置菜单的各个项中
      for (const item in savedSettingsObj) {
        if (settingsObj.hasOwnProperty(item)) {
          settingsObj[item] = savedSettingsObj[item]
        }
      }
    }

    //向设置菜单中写入已经保存的图片设置项的信息(图片命名规则和分辨率)
    setSettings(info.imgInfo, savedSettings.imgInfo)

    //绑定点击上一个/下一个图片时更新日期信息的事件
    getDateOffset()
  }
}

function getDateOffset() {
  //前一天
  document.getElementById("leftNav").addEventListener('click', function (e) {
    e.preventDefault()
    dateOffset = dateOffset === -7 ? -7 : dateOffset - 1
  })
  //后一天
  document.getElementById("rightNav").addEventListener('click', function (e) {
    e.preventDefault()
    dateOffset = dateOffset === 0 ? 0 : dateOffset + 1
  })
}

//-----获取图片信息(根据设置规则修改)
function getImgInfo(imgInfo) {
  let url = document.querySelector('a.downloadLink').href.split('&rf')[0]
  //图片地址  根据分辨率设置修改图片地址 分辨率如1920x1080 如果未设置分辨率将使用默认分辨率
  url = imgInfo.resolution ? url.replace(/\d{4}x\d{3,4}/, imgInfo.resolution) : url
  console.log("img url is: ", url)
  /*图片名字  根据图片地址生成图片原始名字
  原始示例 AberystwythSeafront_ZH-CN9542789062_1920x1080.jpg
  原始名字分成三部分 baseName imgNO resolution
  */
  //原始名字去掉前面的OHR.字样 使用_分割
  const nameInfo = /id=.+?\.(jpg|png)/.exec(url)[0].replace('id=', '').replace(/^OHR\./, '').split('_')

  //图片格式
  const imgFormat = /(jpg|png)$/.exec(nameInfo)[0]

  //初始化图片命名相关的项
  let [baseName, imgNO, resolution, description, copyright, dateInfo] = ['', '', '', '', '', '']

  //根据名字生成规则修改图片名字
  for (const rule in imgInfo['name-rule']) {
    const ruleValue = imgInfo['name-rule'][rule]
    if (ruleValue === true) {
      switch (rule) {
        case 'baseName':
          baseName = `${nameInfo[0]}`
          break;
        case 'imgNO':
          imgNO = `_${nameInfo[1]}`
          break;
        case 'imgResolution':
          resolution = `_${nameInfo[2]}`.split('.')[0]
          break;
        case 'dateInfo':
          //日期 先从描述信息的日期中获取,如果没有则使用系统时间
          try {
            dateInfo = document.querySelector('.musCardCont a.title').href.match(/Date:%\d+_/)[0].substr(-9, 8)
          } catch (error) {
            console.log(error)
          } finally {
            if (dateInfo === '' || dateInfo === undefined) {
              const now = new Date()
              const imgDate = new Date(now.getTime() + dateOffset * (24 * 60 * 60 * 1000))
              dateInfo = `_${imgDate.getFullYear()}-${imgDate.getMonth() + 1}-${imgDate.getDate()}`
            }
          }
          break;
        //图片描述
        case 'description':
          description = `_${document.querySelector('.musCardCont a.title').textContent
            }`
          break;
        //图片版权
        case 'copyright':
          copyright = document.querySelector('.musCardCont div.copyright').textContent
          break;
        default:
          break;
      }
    }
  }

  //拼接图片名字 去掉前后可能出现的_
  let name = `${baseName}${imgNO}${resolution}${description}${copyright}${dateInfo}`.replace(/^_/, '').replace(/_$/, '')

  //如果图片没有名字只有后缀 强行给图片加上名字
  if (name === `.${imgFormat}`) {
    name = `${nameInfo[0]}.${imgFormat}`
  } else {
    name = `${name}.${imgFormat}`
  }

  //存储图片url及名字
  bingDownloadBtnConfig.imgInfo.url = url
  bingDownloadBtnConfig.imgInfo.name = name
}

//-------添加下载按钮
function addBtn(info) {
  const btn = document.createElement('a')
  btn.appendChild(document.createTextNode(info.btnText()))


  btn.style.cssText = (function (styles) {
    let btnCssText = ''
    for (let style in styles) {
      btnCssText += `${style}: ${styles[style]}; `
    }
    return btnCssText
  })(info.btnStyles)

  btn.href = info.imgInfo.url
  btn.download = info.imgInfo.name
  btn.title = `img name: ${info.imgInfo.name}
          右键打开设置菜单 | Right Click this button to open settings menu`
  document.body.appendChild(btn)

  //当光标移动到下载按钮上时立即更新图片下载信息
  btn.onmouseover = function () {
    // 注意:点击了前一天或后一天按钮后 需要刷新图片的下载地址
    getImgInfo(info.imgInfo)
    //将处理后的图片的url和name写入到下载按钮的属性中
    this.href = info.imgInfo.url
    this.download = info.imgInfo.name
  }

  //在下载按钮上右键可打开设置菜单
  btn.oncontextmenu = function (e) {
    e.preventDefault()
    document.getElementById(info.menuInfo.menuWrapId).style.display = 'block'
  }
}

//-----添加设置菜单
function addMenu(info) {
  const menuInfo = info.menuInfo

  //先前已经存储的图像分辨率设置信息
  const savedImgResolution = info.imgInfo.resolution
  //先前已经存储的图像规则信息
  const savedImgNameRule = info.imgInfo['name-rule']

  const menuContent = `
  <fieldset id="btn-settings">
    <legend>settings</legend>
    <div class="settings-content">
      <ul class="img-infos">
        <header>
          Image Info
        </header>
        <li>
          <header>
            Image Name contains:
          </header>
          <div>
            <label>Base-Name</label>
            <input class="img-info" type="checkbox" name="name-rule" checked data-img-name-rule="baseName" />
          </div>
          <div>
            <label>NO.</label>
            <input class="img-info" type="checkbox" name="name-rule" data-img-name-rule="imgNO"
              ${savedImgNameRule.imgNO ? 'checked' : ''} />
          </div>
          <div>
            <label>Resolution</label>
            <input class="img-info" type="checkbox" name="name-rule" data-img-name-rule="imgResolution"
              ${savedImgNameRule.imgResolution ? 'checked' : ''} />
          </div>
          <div>
            <label>Description</label>
            <input class="img-info" type="checkbox" name="name-rule" data-img-name-rule="description"
              ${savedImgNameRule.description ? 'checked' : ''} />
          </div>
          <div>
            <label>CopyRight</label>
            <input class="img-info" type="checkbox" name="name-rule" data-img-name-rule="copyright"
              ${savedImgNameRule.copyright ? 'checked' : ''} />
          </div>
          <div>
            <label>Date-Info</label>
            <input class="img-info" type="checkbox" name="name-rule" data-img-name-rule="dateInfo"
              ${savedImgNameRule.dateInfo ? 'checked' : ''} />
          </div>
        </li>
        <li>
          <header>
            Image Resolution
          </header>
          <div>
            <label>UHD</label>
            <input class="img-info" type="radio" name="resolution" data-img-resolution="UHD"
              ${savedImgResolution === 'UHD' ? 'checked' : ''} />
          </div>
          <div>
            <label>1920x1080</label>
            <input class="img-info" type="radio" name="resolution" data-img-resolution="1920x1080"
              ${savedImgResolution === '1920x1080' ? 'checked' : ''} />
          </div>
          <div>
            <label>1366x768</label>
            <input class="img-info" type="radio" name="resolution" data-img-resolution="1366x768"
              ${savedImgResolution === '1366x768' ? 'checked' : ''} />
          </div>
          <div>
            <label>1280x720</label>
            <input class="img-info" type="radio" name="resolution" data-img-resolution="1280x720"
              ${savedImgResolution === '1280x720' ? 'checked' : ''} />
          </div>
          <div>
            <label>Default</label>
            <input class="img-info" type="radio" name="resolution" data-img-resolution="" ${savedImgResolution === ''
      ? 'checked' : ''} />
          </div>
        </li>
      </ul>
      <div class="about">
        About:
        <a href="${info.about.github}">GitHub</a>
        <a href="${info.about.greasyfork}">GreasyFork</a>
      </div>
    </div>
    <footer>
      <button id="${menuInfo.resetBtnId}" class="reset-btn">reset</button>
      <button id="${menuInfo.saveBtnId}" class="${menuInfo.closeBtnClass}">save</button>
      <button class="${menuInfo.closeBtnClass}">cancel</button>
    </footer>
  </fieldset>
  <style>
    #btn-settings {
      width: 300px;
      border: 1px dashed gainsboro;
      border-radius: 8px;
      box-shadow: 0 0 10px gainsboro;
      background-color: aliceblue;
    }

    #btn-settings legend {
      font-weight: bold;
      text-shadow: 0 0 2px gray;
      color: steelblue;
    }

    #btn-settings ul {
      padding: 0;
    }

    #btn-settings ul>header {
      width: 100%;
      border-bottom: 3px groove gainsboro;
      font-weight: bold;
      color: slategrey;
      text-shadow: 0 0 5px gainsboro;
      margin-bottom: 0.5em;
    }

    #btn-settings li {
      list-style-type: none;
      border-bottom: 1px dashed gainsboro;
      padding-bottom: 0.5em;
    }

    .img-infos li header {
      color: sienna;
      margin-bottom: 0.25em;
    }

    .img-infos li label {
      width: 80%;
      display: inline-block;
    }

    .img-infos .img-info {
      vertical-align:middle;
    }

    #btn-settings .about {
      text-align: right;
      margin-bottom: 1em;
    }

    #btn-settings .about a {
      margin-right: 1em;
    }

    #btn-settings footer {
      text-align: right;
    }

    #btn-settings footer button {
      width: 88px;
      cursor: pointer;
      font-size: 1.2em;
      font-weight: bold;
      line-height: 1.25;
      text-align: center;
      padding: 0;
      color: teal;
    }

    #btn-settings footer .reset-btn {
      margin-right: 25px;
      color: tomato;
    }
  </style>
          `

  const menu = document.createElement('div')
  menu.innerHTML = menuContent
  menu.id = info.menuInfo.menuWrapId
  let cssText = ''

  //设置菜单样式
  for (const style in menuInfo.menuWrapStyles) {
    cssText += `${style}: ${menuInfo.menuWrapStyles[style]}; `
  }
  menu.style.cssText = cssText
  document.body.appendChild(menu)

  //菜单的事件绑定:保存 重置 和 取消
  menu.onclick = function (e) {
    if (e.target.classList.contains(menuInfo.closeBtnClass)) {
      //如果点击的保存或取消按钮 关闭设置菜单
      menu.style.display = 'none'

      //如果点击的是保存按钮 存储设置的信息
      if (e.target.id === menuInfo.saveBtnId) {
        localStorage.setItem(info.localStoreKey, JSON.stringify(getUserSettings(info)))
        getSavedSettings(info)
        getImgInfo(info.imgInfo) //刷新图片相关信息
      }
    }

    //如果点击的是重置按钮 清空设置
    if (e.target.id === menuInfo.resetBtnId) {
      localStorage.removeItem(info.localStoreKey)
      getSavedSettings(info)
      getImgInfo(info.imgInfo) //刷新图片相关信息
    }

  }
}

//从本地存储获取已经保存的设置信息
function getUserSettings() {
  //btn-styles
  const btnStyles = {}

  for (const item of document.querySelectorAll('.btn-style')) {
    let value = item.value
    //未设置的属性 以及position设置中未选择的属性 忽略
    if (item.value === "" || item.previousElementSibling.type === 'radio' && item.previousElementSibling.checked === false) {
      continue
    }
    const property = item.getAttribute('data-property')
    btnStyles[property] = value
  }


  //img-info
  const imgInfo = {
    'name-rule': {}
  }

  for (const item of document.querySelectorAll('.img-info')) {
    switch (item.name) {
      //图片命名规则
      case 'name-rule':
        imgInfo['name-rule'][item.getAttribute('data-img-name-rule')] = item.checked
        break
      //分辨率
      case 'resolution':
        if (item.checked) {
          imgInfo.resolution = item.getAttribute('data-img-resolution')
        }
        break
      default:
        break
    }
  }
  return { btnStyles, imgInfo }
}


//+++++++++ 打开页面后的初始化 +++++++++
//从本地存储读取设置信息
getSavedSettings(bingDownloadBtnConfig)
//设置图片信息
getImgInfo(bingDownloadBtnConfig.imgInfo)
//添加下载按钮
addBtn(bingDownloadBtnConfig)
//添加设置菜单
addMenu(bingDownloadBtnConfig)