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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        2020.03.11.a
// @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, timeout, iframe
const SUGGEST_WIDTH = 300
let previewIframe, previewImage, previewImageDiv, previewDialog
let imagesList = []
let currentImage = 0
let pending = ref(false, (v) => document.getElementById('loader').classList.toggle('hidden', !v))

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()
  initDOM()
  addImages(getImages())

  //Stop if no more pages
  nextPage = getNextPage(document)
  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:
  mainParent = mainTable.parentNode
  pending.value = 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,
  )

  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 getNextPage(doc = document) {
  return (doc.querySelector('a.next_page') || {}).href
}

function testScrollPosition() {
  if (!nextPage)
     return

  //Take the max of the two heights for browser compatibility
  if (
    !pending.value &&
    window.pageYOffset + window.innerHeight + scrollBuffer >
      Math.max(
        document.documentElement.scrollHeight,
        document.documentElement.offsetHeight,
      )
  ) {
    console.log('loading ' + nextPage)
    pending.value = true
    timeout = setTimeout(function() {
      pending.value = 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.value = false
    }, 1000)
    return
  }

  let images = getImages(iframe.contentDocument)
  addImages(images)


  if (!images.length)
    nextPage = null
  else {
    nextPage = getNextPage(iframe.contentDocument)
  }

  if (nextPage) {
      history.pushState({}, iframe.contentDocument, nextPage)
  }
  else {
    // TODO: end of pages
    console.log('End of pages')
  }


  pending.value = 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; z-index: 2; width: 200px !important; transform: translate(-200px, calc(-100vh + 30px)); border-bottom-right-radius: 30px; 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; float: none }
div.footer { clear: both !important; }
`
  document.body.appendChild(s)
}

function injectStyle() {
  const s = document.createElement('style')
  s.innerHTML = `
#gallery .row { width: 100vw; white-space: nowrap; height: var(--image-height); --image-height: 300px; }
#gallery .row .thumb { position: relative; display: inline-block; transition: .2s ease-out; overflow: hidden; }
#gallery .row .thumb.liked::after { position: absolute; top: 10px; right: 10px; content: url('https://api.iconify.design/mdi:cards-heart.svg?color=%23f37e92&height=24'); vertical-align: -0.125em; }
#gallery .row .thumb:first-child { transform-origin: left; }
#gallery .row .thumb:last-child { transform-origin: right; }
#gallery .row .thumb img { height: var(--image-height); }
#gallery .row:hover { z-index: 1; }
#gallery .row .thumb:hover { transform: scale(1.3); z-index: 1; opacity: 1; box-shadow: 8px 8px 100px 10px rgba(0, 0, 0, 0.8); border-radius: 5px;  }

#loader { padding: 10px; text-align: center; }

.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 img.loading { filter: blur(3px); height: 100vh; }
.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 ref(v, handler) {
    let value = v
  return new Proxy({}, {
     get(obj, prop) {
         return value
     },
     set(obj, prop, v){
         if (value !== v) {
             value = v
             handler(value)
         }
     }
  })
}

function getImages(doc = document) {
    const result = Array.from(doc
    .querySelectorAll('ul#post-list-posts > li'))
    .map(li => {
        const page = (li.querySelector('a.thumb') || {}).href
        const thumb = (li.querySelector('a.thumb img') || {}).src
        const large = (li.querySelector('a.largeimg') || {}).href
        const id = page.split('/').slice(-1)[0]
        const resText = (li.querySelector('.directlink-res') || {}).innerText
        let res = undefined
        if (resText && resText.includes('x')) {
            let [height, width] = resText.split(' x ').map(i=>+i)
            res = { height, width, radio: width / height }
        }
        let liked = false

        return { page, thumb, large, id, res, liked }
    })
    doc.getElementById('post-list-posts').remove()
    return result
}

function initDOM() {
    const list = document.getElementById('post-list')
    const gallery = document.createElement('div')
    gallery.id = 'gallery'
    list.appendChild(gallery)
    const loader = document.createElement('div')
    loader.id = 'loader'
    loader.innerText = 'Loading...'
    list.appendChild(loader)
}


function addImages(images) {
    const gallery = document.getElementById('gallery')
    const RADIO = Math.round(window.innerWidth / SUGGEST_WIDTH)
    images.forEach((info, i) => {
        let idx = imagesList.length + i
        let row = gallery.querySelector('.row:last-child:not(.full)')
        if (!row) {
            row = document.createElement('div')
            row.className = 'row'
            gallery.appendChild(row)
        }
        row.dataset.width = +(row.dataset.width || 0) + (1/info.res.radio)

        if (+row.dataset.width >= RADIO) {
            row.classList.toggle('full', true)
            row.style = `--image-height: calc(100vw / ${row.dataset.width})`
        }

        const thumb = document.createElement('div')
        thumb.className = 'thumb'
        row.appendChild(thumb)

        const img = document.createElement('img')
        img.src = info.thumb
        thumb.appendChild(img)
        info.dom = thumb

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

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

function openImage(idx, type = 'image') {
  currentImage = idx
  const img = imagesList[idx]
  const { page, large, id, thumb } = img
  if (!previewIframe) initPreviewIframe()

  if (!large) type = 'page'

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

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