r34app gallery

Gallery view for results in https://r34.app
As of 2023-04-16. See the latest version.
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// ==UserScript==
// @name     r34app gallery
// @description Gallery view for results in https://r34.app
// @locale en
// @namespace r34app-gallery
// @version  1.1.1
// @require https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/magnific-popup.js/1.1.0/jquery.magnific-popup.min.js
// @include https://r34.app/*
// ==/UserScript==

const styles = `
.mfp-bg{top:0;left:0;width:100%;height:100%;z-index:1042;overflow:hidden;position:fixed;background:#0b0b0b;opacity:.8}.mfp-wrap{top:0;left:0;width:100%;height:100%;z-index:1043;position:fixed;outline:none !important;-webkit-backface-visibility:hidden}.mfp-container{text-align:center;position:absolute;width:100%;height:100%;left:0;top:0;padding:0 8px;box-sizing:border-box}.mfp-container:before{content:'';display:inline-block;height:100%;vertical-align:middle}.mfp-align-top .mfp-container:before{display:none}.mfp-content{position:relative;display:inline-block;vertical-align:middle;margin:0 auto;text-align:left;z-index:1045}.mfp-inline-holder .mfp-content,.mfp-ajax-holder .mfp-content{width:100%;cursor:auto}.mfp-ajax-cur{cursor:progress}.mfp-zoom-out-cur,.mfp-zoom-out-cur .mfp-image-holder .mfp-close{cursor:-moz-zoom-out;cursor:-webkit-zoom-out;cursor:zoom-out}.mfp-zoom{cursor:pointer;cursor:-webkit-zoom-in;cursor:-moz-zoom-in;cursor:zoom-in}.mfp-auto-cursor .mfp-content{cursor:auto}.mfp-close,.mfp-arrow,.mfp-preloader,.mfp-counter{-webkit-user-select:none;-moz-user-select:none;user-select:none}.mfp-loading.mfp-figure{display:none}.mfp-hide{display:none !important}.mfp-preloader{color:#CCC;position:absolute;top:50%;width:auto;text-align:center;margin-top:-0.8em;left:8px;right:8px;z-index:1044}.mfp-preloader a{color:#CCC}.mfp-preloader a:hover{color:#FFF}.mfp-s-ready .mfp-preloader{display:none}.mfp-s-error .mfp-content{display:none}button.mfp-close,button.mfp-arrow{overflow:visible;cursor:pointer;background:transparent;border:0;-webkit-appearance:none;display:block;outline:0;padding:0;z-index:1046;box-shadow:none;touch-action:manipulation}button::-moz-focus-inner{padding:0;border:0}.mfp-close{width:44px;height:44px;line-height:44px;position:absolute;right:0;top:0;text-decoration:none;text-align:center;opacity:.65;padding:0 0 18px 10px;color:#FFF;font-style:normal;font-size:28px;font-family:Arial,Baskerville,monospace}.mfp-close:hover,.mfp-close:focus{opacity:1}.mfp-close:active{top:1px}.mfp-close-btn-in .mfp-close{color:#333}.mfp-image-holder .mfp-close,.mfp-iframe-holder .mfp-close{color:#FFF;right:-6px;text-align:right;padding-right:6px;width:100%}.mfp-counter{position:absolute;top:0;right:0;color:#CCC;font-size:12px;line-height:18px;white-space:nowrap}.mfp-arrow{position:absolute;opacity:.65;margin:0;top:50%;margin-top:-55px;padding:0;width:90px;height:110px;-webkit-tap-highlight-color:transparent}.mfp-arrow:active{margin-top:-54px}.mfp-arrow:hover,.mfp-arrow:focus{opacity:1}.mfp-arrow:before,.mfp-arrow:after{content:'';display:block;width:0;height:0;position:absolute;left:0;top:0;margin-top:35px;margin-left:35px;border:medium inset transparent}.mfp-arrow:after{border-top-width:13px;border-bottom-width:13px;top:8px}.mfp-arrow:before{border-top-width:21px;border-bottom-width:21px;opacity:.7}.mfp-arrow-left{left:0}.mfp-arrow-left:after{border-right:17px solid #FFF;margin-left:31px}.mfp-arrow-left:before{margin-left:25px;border-right:27px solid #3f3f3f}.mfp-arrow-right{right:0}.mfp-arrow-right:after{border-left:17px solid #FFF;margin-left:39px}.mfp-arrow-right:before{border-left:27px solid #3f3f3f}.mfp-iframe-holder{padding-top:40px;padding-bottom:40px}.mfp-iframe-holder .mfp-content{line-height:0;width:100%;max-width:900px}.mfp-iframe-holder .mfp-close{top:-40px}.mfp-iframe-scaler{width:100%;height:0;overflow:hidden;padding-top:56.25%}.mfp-iframe-scaler iframe{position:absolute;display:block;top:0;left:0;width:100%;height:100%;box-shadow:0 0 8px rgba(0,0,0,0.6);background:#000}img.mfp-img{width:auto;max-width:100%;height:auto;display:block;line-height:0;box-sizing:border-box;padding:40px 0 40px;margin:0 auto}.mfp-figure{line-height:0}.mfp-figure:after{content:'';position:absolute;left:0;top:40px;bottom:40px;display:block;right:0;width:auto;height:auto;z-index:-1;box-shadow:0 0 8px rgba(0,0,0,0.6);background:#444}.mfp-figure small{color:#bdbdbd;display:block;font-size:12px;line-height:14px}.mfp-figure figure{margin:0}.mfp-bottom-bar{margin-top:-36px;position:absolute;top:100%;left:0;width:100%;cursor:auto}.mfp-title{text-align:left;line-height:18px;color:#f3f3f3;word-wrap:break-word;padding-right:36px}.mfp-image-holder .mfp-content{max-width:100%}.mfp-gallery .mfp-image-holder .mfp-figure{cursor:pointer}@media screen and (max-width:800px) and (orientation:landscape),screen and (max-height:300px){.mfp-img-mobile .mfp-image-holder{padding-left:0;padding-right:0}.mfp-img-mobile img.mfp-img{padding:0}.mfp-img-mobile .mfp-figure:after{top:0;bottom:0}.mfp-img-mobile .mfp-figure small{display:inline;margin-left:5px}.mfp-img-mobile .mfp-bottom-bar{background:rgba(0,0,0,0.6);bottom:0;margin:0;top:auto;padding:3px 5px;position:fixed;box-sizing:border-box}.mfp-img-mobile .mfp-bottom-bar:empty{padding:0}.mfp-img-mobile .mfp-counter{right:5px;top:3px}.mfp-img-mobile .mfp-close{top:0;right:0;width:35px;height:35px;line-height:35px;background:rgba(0,0,0,0.6);position:fixed;text-align:center;padding:0}}@media all and (max-width:900px){.mfp-arrow{-webkit-transform:scale(0.75);transform:scale(0.75)}.mfp-arrow-left{-webkit-transform-origin:0 0;transform-origin:0 0}.mfp-arrow-right{-webkit-transform-origin:100%;transform-origin:100%}.mfp-container{padding-left:6px;padding-right:6px}}
`

var styleSheet = document.createElement("style")
styleSheet.innerText = styles
document.head.appendChild(styleSheet)

var open = false;

function toggle() {
   if (open) {
   	 $.magnificPopup.close();
     open = false;
     return
   }
  
   var images = $('main li .material-container img.w-full, main li .material-container video');
   var items = [];
 
   images.each(function() {
     var image = $(this);

     if (image.is('img')) {
       if (image.attr('alt') !== 'Advertisement') {
        const src = image.data('src');
        items.push({
          src: src,
          type: 'image'
        });
       }
     } else {
      items.push({
        src: image.find('source').data('src'),
        type: 'iframe'
      });
     }
   })

   $.magnificPopup.open({
     items: items,
     gallery:{
       enabled:true
     }
   }, 0);
  
   open = true;
}

function download(url, filename) {
  fetch(url)
    .then(response => response.blob())
    .then(blob => {
      const link = document.createElement("a");
      link.href = URL.createObjectURL(blob);
      link.download = filename;
      link.click();
  })
  .catch(console.error);
}

function getImgUrl() {
	return $.magnificPopup.instance.currItem.src;
}

setTimeout(function(){
    $(document).keypress(function(e) {      
      if (e.which == 53) {
        toggle();
      } 
      
      if (!open) return;
        
      if (e.which == 52) {
      	$.magnificPopup.instance.prev();
      } else if (e.which == 54) {
      	$.magnificPopup.instance.next();
      } else if (e.which == 50) {
         const url = getImgUrl();
         download(url, url.substring(url.lastIndexOf('/')+1));
      }
    });
}, 1000)