Gelbooru/Rule34xxx Viewer/Downloader

A simple quick and dirty image viewer for gelbooru.com and rule34.xxx supports all formats from gif to webm.

À partir de 2017-04-29. Voir la dernière version.

Vous devrez installer une extension telle que Tampermonkey, Greasemonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Userscripts pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension de gestionnaire de script utilisateur pour installer ce script.

(J'ai déjà un gestionnaire de scripts utilisateur, laissez-moi l'installer !)

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

(J'ai déjà un gestionnaire de style utilisateur, laissez-moi l'installer!)

// ==UserScript==
// @name         Gelbooru/Rule34xxx Viewer/Downloader
// @version      1.0
// @description  A simple quick and dirty image viewer for gelbooru.com and rule34.xxx supports all formats from gif to webm.
// @author       PineappleLover69
// @include      https://gelbooru.com*
// @include      https://rule34.xxx*
// @include      http://gelbooru.com*
// @include      http://rule34.xxx*
// @namespace https://greasyfork.org/users/120106
// ==/UserScript==

(function() {
	
   var postTop = document.getElementsByClassName("content")[0];

   var yupStuff = document.getElementsByClassName("yup")[0];
   
   var posts = document.getElementById("post-list");
   //imgList = posts.childNodes[2].childNodes[0].childNodes;
   imgList = document.getElementsByClassName("thumb");
   
   var postSources = Array(imgList.length);    
   
   BatchApiCall();
   
   isRule34 = false;
   if(document.URL.includes("rule34.xxx")){
      imgList = posts.childNodes[2].childNodes[3].childNodes;
		isRule34 = true;
   }
   
	console.log(imgList);
	imgIndex = 0;
	var imgOpened = false;

	for(i = 0; i < imgList.length;){
		try{
			//console.log(imgList[i].getAttribute("id"));
			//console.log(imgList[i].childNodes[0].getAttribute("href"));
			imgList[i].setAttribute("openRef", imgList[i].childNodes[0].getAttribute("href"));
			imgList[i].childNodes[0].removeAttribute("href");
			imgList[i].childNodes[0].addEventListener("click", ImgClick);
			i++;
		}catch(ex){
			imgList[i].remove();
		}
	}

	function ImgClick(e){
		if(!imgOpened)
			ImgView();
		var child = e.target.parentNode.parentNode;
		var parent = child.parentNode;
		// The equivalent of parent.children.indexOf(child)
		imgIndex = Array.prototype.indexOf.call(parent.children, child);
		//console.log(imgIndex);
		SetImg();
		imgViewBtn.scrollIntoView();
	}

	imgViewBtn = document.createElement("button");
	imgViewBtn.innerHTML = "Image View";
	imgViewBtn.onclick = ImgView;
	var dlAllBtn = document.createElement("button");
	dlAllBtn.innerHTML = "Download All";
	dlAllBtn.onclick = dlAll;

	//imgViewBtn.setAttribute("class", "active");
	postTop.insertBefore(dlAllBtn, postTop.childNodes[0]);
	postTop.insertBefore(imgViewBtn, postTop.childNodes[0]);
	
	function ImgView(){
		if(imgOpened)
			return;
		
		holdDiv = document.createElement("div");
		holdDiv.setAttribute("align", "center");
		postTop.insertBefore(holdDiv, postTop.childNodes[2]);
		
		imgViewImg = document.createElement("img");
		imgViewImg.setAttribute("height", 650);
		holdDiv.appendChild(imgViewImg);
		videoImg = document.createElement("video");
		videoImg.setAttribute("height", 650);
		videoImg.setAttribute("autoplay", true);
		videoImg.setAttribute("controls", true);
		videoImg.setAttribute("loop", true);
		videoImg.setAttribute("hidden", true);
		holdDiv.appendChild(videoImg);
		
		preloadImg1 = document.createElement("img");
		preloadImg2 = document.createElement("img");
		preloadImg1.setAttribute("hidden", true); preloadImg2.setAttribute("hidden", true);
		holdDiv.appendChild(preloadImg1); holdDiv.appendChild(preloadImg2);
		
		preloadImg3 = document.createElement("img");
		preloadImg4 = document.createElement("img");
		preloadImg3.setAttribute("hidden", true); preloadImg4.setAttribute("hidden", true);
		holdDiv.appendChild(preloadImg3); holdDiv.appendChild(preloadImg4);
		
		imgViewImg.addEventListener('load', DoPreload);
		//imgViewImg.addEventListener("error", WasError);
		//videoImg.addEventListener("error", WasError);
		
		prevBtn = document.createElement("button");
		prevBtn.innerHTML = "Prev";    prevBtn.onclick = PrevImg;
		nextBtn = document.createElement("button");
		nextBtn.innerHTML = "Next";    nextBtn.onclick = NextImg;
		dlBtn = document.createElement("button");
		dlBtn.innerHTML = "Download";    dlBtn.onclick = DownloadCurrent;
		opBtn = document.createElement("button");
		opBtn.innerHTML = "Open Src";    opBtn.onclick = OpenSrc;
		spacer = document.createElement("img");
		spacer.setAttribute("width", 30);
		spacer2 = document.createElement("img");
		spacer2.setAttribute("width", 30);
		spacer3 = document.createElement("img");
		spacer3.setAttribute("width", 30);
		holdDiv.appendChild(document.createElement("br"));
		holdDiv.appendChild(prevBtn);
		holdDiv.appendChild(spacer);
		holdDiv.appendChild(dlBtn);
		holdDiv.appendChild(spacer2);
		holdDiv.appendChild(opBtn);
		holdDiv.appendChild(spacer3);
		holdDiv.appendChild(nextBtn);
		
		imgOpened = true;
		//console.log(isRule34);
		if(isRule34){
			document.getElementById("header").remove();
		}else{
			document.getElementsByClassName("header")[0].remove();
			document.getElementsByClassName("submenu")[0].remove();
		}
		document.addEventListener("keydown", keyInput);
		SetImg();
	}    
   function BatchApiCall(){
       var urlItems = getJsonFromUrl();        
       var pid = 0;
       if(urlItems.pid)
           pid = urlItems.pid / 42;
       
       var tags = document.getElementById("tags").value;        
       var limit = imgList.length;
       
       var request = "/index.php?page=dapi&s=post&q=index&limit=" + limit + "&tags=" + tags + "&pid=" + pid;
       
       var xhttp = new XMLHttpRequest();
       xhttp.onreadystatechange = function() {
           if (this.readyState == 4 && this.status == 200) {
              var response = xmlToJson(this.responseXML);
               
              for(var i = 0; i < limit; i++){
                  if(!response.posts.post[i])
                     break;
                  postSources[i] = response.posts.post[i]["@attributes"].file_url;
              }
           }
       };
       xhttp.open("GET", request, true);
       xhttp.send();
   }
   
	function getJsonFromUrl() {
   var query = location.search.substr(1);
   var result = {};
   query.split("&").forEach(function(part) {
		var item = part.split("=");
      result[item[0]] = decodeURIComponent(item[1]);
   });
  return result;
	}
   
   function OpenSrc(){
      window.open(imgList[imgIndex].getAttribute("openRef"));
   }
   
	function PrevImg(){
		imgIndex--;
		if(imgIndex < 0)
			imgIndex = imgList.length - 1;
		SetImg();
	}

	function NextImg(){
		imgIndex++;
		if(imgIndex >= imgList.length)
			imgIndex = 0;
		SetImg();
	}

	function SetCurrentSrc(){
		currentSrc = GetSrcForImg(imgIndex);
	}
   
	function GetSrcForImg(getIndex){
		if(postSources[getIndex]){
			return postSources[getIndex];
		} else {    
			var tmpSrc = imgList[getIndex].id;
			tmpSrc = tmpSrc.replace("s", "");
		
			var thing = JsonHttpRequest("/index.php?page=dapi&s=post&q=index&id=" + tmpSrc.toString());
			
			tmpSrc = thing.posts.post["@attributes"].file_url;
			postSources[getIndex] = tmpSrc;
			return tmpSrc;
		}
	}
   
	function JsonHttpRequest(urlRequest){
		var xhr = new XMLHttpRequest();
		xhr.open("GET", urlRequest, false);
		xhr.send();
		return xmlToJson(xhr.responseXML);
	}

	function SetImg(){
		SetCurrentSrc();
		var dI = currentSrc.lastIndexOf(".");
		var fileExt = currentSrc.substring(dI + 1);
		
		if(fileExt.toLowerCase() == "webm"){
			videoImg.setAttribute("src", currentSrc);
			videoImg.removeAttribute("hidden");
			videoImg.play();
			imgViewImg.setAttribute("hidden", true);
			setTimeout(DoPreload, 200);
		}else{
			imgViewImg.setAttribute("src", currentSrc);
			imgViewImg.removeAttribute("hidden");
			videoImg.setAttribute("hidden", true);
			videoImg.pause();
		}
	}
   
	function DoPreload(){
		var preIndex = imgIndex + 1;
		if(preIndex >= imgList.length)
			preIndex = 0;
		preloadImg1.src = GetSrcForImg(preIndex);
		
		//preIndex++;
		//if(preIndex >= imgList.length)
		//    preIndex = 0;
		//preloadImg2.src = GetSrcForImg(preIndex);
		
		preIndex = imgIndex - 1;
		if(preIndex < 0)
			preIndex = imgList.length - 1;
		preloadImg3.src = GetSrcForImg(preIndex);
		
		//preIndex--;
		//if(preIndex < 0)
		//    preIndex = imgList.length - 1;
		//preloadImg4.src = GetSrcForImg(preIndex);
	}

	function DownloadCurrent(){
		if(!isRule34)
			SetCurrentSrc();
		var dI = currentSrc.lastIndexOf(".");
		var uI = currentSrc.lastIndexOf("/") + 5;
		var fileExt = currentSrc.substring(dI);
		var imgName = "tags-" + document.getElementById("tags").value + " ";
		if(document.getElementById("tags").value === ""){
			imgName = currentSrc.substring(uI, dI);
		}else{
			imgName += currentSrc.substring(uI, dI);
		}
		imgName += " id-" + imgList[imgIndex].childNodes[0].getAttribute("id");
		imgName += fileExt;
		//console.log(imgName);
		var dl = document.createElement("a");
			dl.setAttribute("href", currentSrc);
			dl.setAttribute("download", imgName);
			dl.click(); dl.remove();
		
		document.body.focus();
	}
	
	function dlAll(){
		var prevIndex = imgIndex;
		if(isRule34){
			
		}else{
			for(imgIndex = 0; imgIndex < imgList.length;){
					try{
						DownloadCurrent();
						imgIndex++;
					}catch(ex){
						console.log(ex);
						imgIndex++;
						//imgList[imgIndex].remove();
					}
			}
		}
		imgIndex = prevIndex;
	}
	
	var tagE = document.getElementById("tags");
	function keyInput(e){
		if(document.activeElement != tagE){			
			if(e.keyCode === 32){
				e.preventDefault();
				return false;
			}
			if(e.keyCode === 37){
				e.preventDefault();
				PrevImg();
				return false;
			}
			if(e.keyCode === 39){
				e.preventDefault();
				NextImg();
				return false;
			}
			if(e.keyCode === 40){
				e.preventDefault();
				DownloadCurrent();
				return false;
			}
		}
	}
})();


// Changes XML to JSON
function xmlToJson(xml) {
	
	// Create the return object
	var obj = {};

	if (xml.nodeType == 1) { // element
		// do attributes
		if (xml.attributes.length > 0) {
		obj["@attributes"] = {};
			for (var j = 0; j < xml.attributes.length; j++) {
				var attribute = xml.attributes.item(j);
				obj["@attributes"][attribute.nodeName] = attribute.nodeValue;
			}
		}
	} else if (xml.nodeType == 3) { // text
		obj = xml.nodeValue;
	}

	// do children
	if (xml.hasChildNodes()) {
		for(var i = 0; i < xml.childNodes.length; i++) {
			var item = xml.childNodes.item(i);
			var nodeName = item.nodeName;
			if (typeof(obj[nodeName]) == "undefined") {
				obj[nodeName] = xmlToJson(item);
			} else {
				if (typeof(obj[nodeName].push) == "undefined") {
					var old = obj[nodeName];
					obj[nodeName] = [];
					obj[nodeName].push(old);
				}
				obj[nodeName].push(xmlToJson(item));
			}
		}
	}
	return obj;
}