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yande.re refine

Refining yande.re

当前为 2020-03-10 提交的版本，查看 最新版本。

// ==UserScript==
// @name           yande.re refine
// @namespace      https://greasyfork.org/scripts/397612-yande-re-refine
// @description    Refining yande.re
// @include        *://behoimi.org/*
// @include        *://www.behoimi.org/*
// @include        *://*.donmai.us/*
// @include        *://konachan.tld/*
// @include        *://yande.re/*
// @include        *://chan.sankakucomplex.com/*
// @version        2020.03.10b
// @grant          none
// ==/UserScript==

//If true, each added page retains its paginator.  If false, elements are smoothly joined together.
var pageBreak = false

//Minimum amount of window left to scroll, maintained by loading more pages.
var scrollBuffer = 600

//Time (in ms) the script will wait for a response from the next page before attempting to fetch the page again.  If the script gets trapped in a loop trying to load the next page, increase this value.
var timeToFailure = 15000

var previewLocked = false

//============================================================================
//=========================Script initialization==============================
//============================================================================

var nextPage, mainTable, mainParent, pending, timeout, iframe

let previewIframe, previewImage, previewImageDiv, previewDialog

let imagesList = []
let currentImage = 0

if (typeof customF != 'undefined') customF()

injectGlobalStyle()
initialize()

function initialize() {
  //Stop if inside an iframe
  if (window != window.top || scrollBuffer == 0) return

  //Stop if no "table"
  mainTable = getMainTable(document)
  if (!mainTable) return

  injectStyle()
  processItems()

  //Stop if no paginator
  var paginator = getPaginator(document)
  if (!paginator) return

  //Stop if no more pages
  nextPage = getNextPage(paginator)
  if (!nextPage) return

  //Hide the blacklist sidebar, since this script breaks the tag totals and post unhiding.
  var sidebar = document.getElementById('blacklisted-sidebar')
  if (sidebar) sidebar.style.display = 'none'

  //Other important variables:
  scrollBuffer += window.innerHeight
  mainParent = mainTable.parentNode
  pending = false

  iframe = document.createElement('iframe')
  iframe.width = iframe.height = 0
  iframe.style.visibility = 'hidden'
  document.body.appendChild(iframe)

  //Slight delay so that Danbooru's initialize_edit_links() has time to hide all the edit boxes on the Comment index
  iframe.addEventListener(
    'load',
    function(e) {
      setTimeout(appendNewContent, 100)
    },
    false,
  )

  //Stop if empty page
  if (
    /<p>(Nothing to display.|Nobody here but us chickens!)<.p>/.test(
      mainTable.innerHTML,
    )
  )
    return

  //Add copy of paginator to the top
  mainParent.insertBefore(paginator.cloneNode(true), mainParent.firstChild)

  if (!pageBreak) paginator.style.display = 'none'
  //Hide bottom paginator
  else {
    //Reposition bottom paginator and add horizontal break
    mainTable.parentNode.insertBefore(
      document.createElement('hr'),
      mainTable.nextSibling,
    )
    mainTable.parentNode.insertBefore(paginator, mainTable.nextSibling)
  }

  //Listen for scroll events
  window.addEventListener('scroll', testScrollPosition, false)
  testScrollPosition()
}

//============================================================================
//============================Script functions================================
//============================================================================

//Some pages match multiple "tables", so order is important.
function getMainTable(source) {
  //Special case: Sankaku post index with Auto Paging enabled
  if (
    /sankaku/.test(location.host) &&
    /auto_page=1/.test(document.cookie) &&
    /^(post(\/|\/index\/?)?|\/)$/.test(location.pathname)
  )
    return null

  var xpath = [
    ".//div[@id='c-favorites']//div[@id='posts']", // Danbooru (/favorites)
    ".//div[@id='posts']/div", // Danbooru; don't want to fall through to the wrong xpath if no posts ("<article>") on first page.
    ".//div[@id='c-pools']//section/article/..", // Danbooru (/pools/####)

    ".//div[@id='a-index']/table[not(contains(@class,'search'))]", // Danbooru (/forum_topics, ...), take care that this doesn't catch comments containing tables
    ".//div[@id='a-index']", // Danbooru (/comments, ...)

    ".//table[contains(@class,'highlight')]", // large number of pages
    ".//div[@id='content']/div/div/div/div/span[@class='author']/../../../..", // Sankaku: note search
    ".//div[contains(@id,'comment-list')]/div/..", // comment index
    ".//*[not(contains(@id,'popular'))]/span[contains(@class,'thumb')]/a/../..", // post/index, pool/show, note/index
    ".//li/div/a[contains(@class,'thumb')]/../../..", // post/index, note/index
    ".//div[@id='content']//table/tbody/tr[@class='even']/../..", // user/index, wiki/history
    ".//div[@id='content']/div/table", // 3dbooru user records
    ".//div[@id='forum']", // forum/show
  ]

  for (var i = 0; i < xpath.length; i++) {
    getMainTable = (function(query) {
      return function(source) {
        var mTable = new XPathEvaluator().evaluate(
          query,
          source,
          null,
          XPathResult.FIRST_ORDERED_NODE_TYPE,
          null,
        ).singleNodeValue
        if (!mTable || !pageBreak) return mTable

        //Special case: Danbooru's /favorites lacks the extra DIV that /posts has, which causes issues with the paginator/page break.
        var xDiv = document.createElement('div')
        xDiv.style.overflow = 'hidden'
        mTable.parentNode.insertBefore(xDiv, mTable)
        xDiv.appendChild(mTable)
        return xDiv
      }
    })(xpath[i])

    var result = getMainTable(source)
    if (result) {
      //alert("UPW main table query: "+xpath[i]+"\n\n"+location.pathname);
      return result
    }
  }

  return null
}

function getPaginator(source) {
  var pager = new XPathEvaluator().evaluate(
    "descendant-or-self::div[@id='paginator' or @class='paginator' or @id='paginater']",
    source,
    null,
    XPathResult.FIRST_ORDERED_NODE_TYPE,
    null,
  ).singleNodeValue

  // Need clear:none to prevent the 2nd page from being pushed to below the sidebar on the Post index... but we don't want this when viewing a specific pool,
  // because then the paginator is shoved to the right of the last images on a page.  Other sites have issues with clear:none as well, like //yande.re/post.
  if (
    pager &&
    location.host.indexOf('donmai.') >= 0 &&
    document.getElementById('sidebar')
  )
    pager.style.clear = 'none'

  return pager
}

function getNextPage(source) {
  let page = getPaginator(source)
  if (page)
    page = new XPathEvaluator().evaluate(
      ".//a[@alt='next' or @rel='next' or contains(text(),'>') or contains(text(),'Next')]",
      page,
      null,
      XPathResult.FIRST_ORDERED_NODE_TYPE,
      null,
    ).singleNodeValue

  return page && page.href
}

function testScrollPosition() {
  if (!nextPage) testScrollPosition = function() {}
  //Take the max of the two heights for browser compatibility
  else if (
    !pending &&
    window.pageYOffset + scrollBuffer >
      Math.max(
        document.documentElement.scrollHeight,
        document.documentElement.offsetHeight,
      )
  ) {
    pending = true
    timeout = setTimeout(function() {
      pending = false
      testScrollPosition()
    }, timeToFailure)
    iframe.contentDocument.location.replace(nextPage)
  }
}

function appendNewContent() {
  //Make sure page is correct.  Using 'indexOf' instead of '!=' because links like "https://danbooru.donmai.us/pools?page=2&search%5Border%5D=" become "https://danbooru.donmai.us/pools?page=2" in the iframe href.
  clearTimeout(timeout)
  if (nextPage.indexOf(iframe.contentDocument.location.href) < 0) {
    setTimeout(function() {
      pending = false
    }, 1000)
    return
  }

  //Copy content from retrived page to current page, but leave off certain headers, labels, etc...
  var sourcePaginator = document.adoptNode(getPaginator(iframe.contentDocument))
  var nextElem,
    deleteMe,
    source = document.adoptNode(getMainTable(iframe.contentDocument))

  if (
    /<p>(Nothing to display.|Nobody here but us chickens!)<.p>/.test(
      source.innerHTML,
    )
  )
    nextPage = null
  else {
    nextPage = getNextPage(sourcePaginator)

    if (pageBreak) mainParent.appendChild(source)
    else {
      //Hide elements separating one table from the next (h1 is used for user names on comment index)
      var rems = source.querySelectorAll('h2, h3, h4, thead, tfood')
      for (var i = 0; i < rems.length; i++) rems[i].style.display = 'none'

      //Move contents of next table into current one
      var fragment = document.createDocumentFragment()
      while ((nextElem = source.firstChild)) fragment.appendChild(nextElem)
      mainTable.appendChild(fragment)
    }
  }

  //Add the paginator at the bottom if needed.
  if (!nextPage || pageBreak) mainParent.appendChild(sourcePaginator)
  if (pageBreak && nextPage)
    mainParent.appendChild(document.createElement('hr'))

  //Clear the pending request marker and check position again
  processItems()
  pending = false
  testScrollPosition()
}

function injectGlobalStyle() {
  const s = document.createElement('style')
  s.innerHTML = `
body { padding: 0; }
#title { display: none !important; }
#header { margin: 0 !important; text-align: center; }
#header ul { float: none !important; display: inline-block;}
#content > div:first-child > div.sidebar { position: fixed; left: 0; top: 0; bottom: 0; overflow: auto !important; width: 200px !important; transform: translateX(-210px); background: #171717dd; transition: all .2s ease-out; float: none !important; padding: 15px; }
#content > div:first-child > div.sidebar:hover { transform: translateX(0); }
div.content { width: 100vw; text-align: center; }
`
  document.body.appendChild(s)
}

function injectStyle() {
  const s = document.createElement('style')
  s.innerHTML = `
a.directlink { display: none !important; }
ul#post-list-posts { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; }
ul#post-list-posts li { width: auto !important; margin: auto; padding: 5px; transition: .3s ease-out; overflow: visible; }
ul#post-list-posts li img, ul#post-list-posts li .inner { width: auto !important; height: auto !important; }
ul#post-list-posts li img { border-radius: 5px; }
ul#post-list-posts li a { transition: .3s ease-out; }
ul#post-list-posts li a.liked img { border: 2px solid pink; }
ul#post-list-posts li:hover { transform: scale(1.3); z-index: 1;  }
ul#post-list-posts li:hover a { opacity: 1; box-shadow: 6px 6px 20px 0px rgba(50, 50, 50, 0.75); }
.hidden { display: none !important; }
.preivew-dialog { position: fixed; top: 0; left: 0; height: 100vh; width: 100vw; background: rgba(0,0,0,0.7); z-index: 100; }
.preivew-dialog iframe { position: absolute; height: 90vh; width: 80vw; top: 50%; left: 50%; transform: translate(-50%, -50%); background: grey; border: none; border-radius: 5px; overflow: hidden; }
.preivew-dialog .image-host { position: fixed; top: 0; left: 0; height: 100vh; width: 100vw; overflow: auto; text-align: center; }
.preivew-dialog .image-host img { margin: auto; }
.preivew-dialog .image-host.full { overflow: hidden }
.preivew-dialog .image-host.full img { max-width: 100vw; max-height: 100vh; }
`
  document.body.appendChild(s)
}

function initPreviewIframe() {
  previewDialog = document.createElement('div')
  previewDialog.addClassName('preivew-dialog hidden')
  previewDialog.onclick = (e) => {
    if (e.target === previewDialog)
      previewDialog.classList.toggle('hidden', true)
  }
  window.onkeydown = (e) => {
    console.log(e)
    if (!previewDialog.classList.contains('hidden')) {
      if (e.key === 'ArrowLeft') {
        currentImage = Math.max(0, currentImage - 1)
        openImage(currentImage)
        e.preventDefault()
      }
      if (e.key === 'ArrowRight') {
        currentImage = Math.min(imagesList.length - 1, currentImage + 1)
        openImage(currentImage)
        e.preventDefault()
      }
      if (e.key === 'Escape') {
        previewDialog.classList.toggle('hidden', true)
        e.preventDefault()
      }
      if (e.key === 'Tab') {
        openImage(currentImage, 'page')
        e.preventDefault()
      }
      if (e.code === 'Space') {
        previewImageDiv.classList.toggle('full')
        e.preventDefault()
      }
      if (e.code === 'KeyL') {
        like(currentImage, 3)
        e.preventDefault()
      }
      if (e.code === 'KeyU') {
        unlike(currentImage, 2)
        e.preventDefault()
      }
    }
  }

  previewIframe = document.createElement('iframe')
  previewImageDiv = document.createElement('div')
  previewImageDiv.className = 'image-host full'
  previewImage = document.createElement('img')

  previewImage.onclick = (e) => {
    previewDialog.classList.toggle('hidden', true)
  }

  previewDialog.appendChild(previewIframe)
  previewImageDiv.appendChild(previewImage)
  previewDialog.appendChild(previewImageDiv)
  document.body.appendChild(previewDialog)
}

function processItems() {
  document
    .querySelectorAll(
      'ul#post-list-posts li:not([_init]), ul#post-list-posts li:not([_init])',
    )
    .forEach((li) => {
      li.setAttribute('_init', true)
      const a = li.querySelector('a.thumb')
      const url = a.href
      a.href = 'javascript:;'

      if (!url) return

      const large = (li.querySelector('a.largeimg') || {}).href
      const id = url.split('/').slice(-1)[0]
      const image = { url, large, id, a }

      let index = imagesList.length
      imagesList.push(image)

      let lastClicked = -Infinity
      let timer = null
      a.onclick = (e) => {
        e.preventDefault()
        // double click
        if (Date.now() - lastClicked < 300) {
          if (image.liked) unlike(index)
          else like(index)

          clearTimeout(timer)
          // click
        } else {
          lastClicked = +Date.now()
          timer = setTimeout(() => openImage(index), 400)
        }
        return false
      }
    })
}

function openImage(idx, type = 'image') {
  currentImage = idx
  const { url, large, id } = imagesList[idx]
  console.log({ url, large, id })
  if (!previewIframe) initPreviewIframe()

  if (!large) type = 'page'

  if (type === 'image') {
    previewImage.src = large
    previewIframe.classList.toggle('hidden', true)
    previewImageDiv.classList.toggle('hidden', false)
  } else {
    previewIframe.onload = () => {
      if (previewIframe.contentWindow.location.href !== url) {
        location.href = previewIframe.contentWindow.location.href
        previewDialog.classList.toggle('hidden', true)
        previewIframe.onload = null
      }
    }
    previewIframe.src = url
    previewIframe.classList.toggle('hidden', false)
    previewImageDiv.classList.toggle('hidden', true)
  }
  previewDialog.classList.toggle('hidden', false)
}

async function vote(id, score) {
  let body = new FormData()
  body.append('id', id)
  body.append('score', score)
  const rawResponse = await fetch('https://yande.re/post/vote.json', {
    method: 'POST',
    headers: {
      'X-CSRF-Token': document.querySelector('meta[name=csrf-token]').attributes
        .content.value,
    },
    body,
  })
  const content = await rawResponse.json()

  console.log(content)
}

function like(idx) {
  let image = imagesList[idx]
  vote(image.id, 3)
  image.liked = true
  image.a.classList.toggle('liked', image.liked)
}

function unlike(idx) {
  let image = imagesList[idx]
  vote(image.id, 2)
  image.liked = false
  image.a.classList.toggle('liked', image.liked)
}