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A simple quick and dirty image viewer for gelbooru.com and rule34.xxx supports all formats from gif to webm.
Versión del día
// ==UserScript==
// @name ImageBoard Viewer/Downloader
// @version 1.3
// @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://rule34.xxx*
// @namespace https://greasyfork.org/users/120106
// ==/UserScript==
(function () {
//Settings
var StartImageHeight = 650;
var AutoShowImageView = false;
var DisableImageLinks = true;
var siteInfo = {
hostName: window.location.hostname,
siteIndex_: "",
get siteIndex() {
if (!this.siteIndex_) {
if (this.hostName == "gelbooru.com" || this.hostName == "rule34.xxx") {
this.siteIndex_ = "gel+r34";
} else if (this.hostName == "chan.sankakucomplex.com") {
this.siteIndex_ = "sankaku";
}
}
return this.siteIndex_;
}
};
var siteObj, siteSwitchObj;
SetUpSiteSwitchObjs();
//this group of vars is to be set by SetVars() and depends on the current website
var buttonInsertionPoint, posts, imgList, tagEntry, tagTypeLookup, postsJson, tagArray, postSources;
var tagDictionary = {};
siteObj.SetVars();
BatchPostApiCall();
var imgIndex = 0;
var imgOpened = false;
if (DisableImageLinks) {
for (let i = 0; i < imgList.length;) {
try {
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 parentchildObj = {};
siteObj.ImgClickGetChildAndParent(parentchildObj, e);
// The equivalent of parent.children.indexOf(child)
imgIndex = Array.prototype.indexOf.call(parentchildObj.parent.children, parentchildObj.child);
SetImg();
imgViewBtn.scrollIntoView();
}
var 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");
buttonInsertionPoint.insertBefore(dlAllBtn, buttonInsertionPoint.childNodes[0]);
buttonInsertionPoint.insertBefore(imgViewBtn, buttonInsertionPoint.childNodes[0]);
var imgViewImg, videoImg, preloadImg1, preloadImg2, preloadImg3, preloadImg4;
function ImgView() {
if (imgOpened)
return;
var holdDiv = document.createElement("div");
holdDiv.setAttribute("align", "center");
buttonInsertionPoint.insertBefore(holdDiv, buttonInsertionPoint.childNodes[2]);
imgViewImg = document.createElement("img");
imgViewImg.setAttribute("height", StartImageHeight);
holdDiv.appendChild(imgViewImg);
videoImg = document.createElement("video");
videoImg.setAttribute("height", StartImageHeight);
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('mousedown', ImageMouseDown);
imgViewImg.addEventListener('mouseup', ImageMouseUp);
imgViewImg.addEventListener('mousemove', ImageMouseMove);
imgViewImg.addEventListener('mouseleave', ImageMouseLeave);
videoImg.addEventListener('mousedown', ImageMouseDown);
videoImg.addEventListener('mouseup', ImageMouseUp);
videoImg.addEventListener('mousemove', ImageMouseMove);
videoImg.addEventListener('mouseleave', ImageMouseLeave);
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;
let header = document.getElementById("header");
if (header)
header.remove();
header = document.getElementsByClassName("header")[0];
if (header)
header.remove();
document.addEventListener("keydown", keyInput);
SetImg();
}
if (AutoShowImageView)
ImgView();
function BatchPostApiCall() {
var apiCallObj = getJsonFromUrl();
siteObj.posts.PostApiSelector(apiCallObj);
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
postsJson = xmlToJson(this.responseXML);
siteObj.posts.PostSourcesSelector(apiCallObj);
CreateTagBase();
}
};
xhttp.open("GET", apiCallObj.request, true);
xhttp.send();
}
function CreateTagBase() {
var uniqueTagList = [];
siteObj.tags.GetSplitTagsPerPost(uniqueTagList);
uniqueTagList = mergeDedupe(uniqueTagList);
siteObj.tags.TagApiSelector(uniqueTagList);
}
function TagRequest(tagRequest) {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
var tagPageJson = xmlToJson(this.responseXML);
siteObj.tags.TagDictionarySetup(tagPageJson);
if (imgOpened)
SetNewTags();
}
};
xhttp.open("GET", tagRequest, true);
xhttp.send();
}
function OpenSrc() {
window.open(imgList[imgIndex].getAttribute("openRef"));
}
function SetCurrentSrc() {
currentSrc = GetSrcForImg(imgIndex);
}
function GetSrcForImg(getIndex) {
if (postSources[getIndex]) {
return postSources[getIndex];
} else {
return siteObj.posts.SinglePostSrc(getIndex);
}
}
function SetNewTags() {
if (!tagArray)
return;
siteObj.tags.RemoveTags();
siteObj.tags.AddTags();
siteObj.tags.RemoveEmptyTags();
}
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", "");
imgViewImg.removeAttribute("hidden");
videoImg.setAttribute("hidden", true);
videoImg.pause();
setTimeout(SetImageAfterTimeout, 1);
}
SetNewTags();
}
function SetImageAfterTimeout() {
imgViewImg.setAttribute("src", currentSrc);
}
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() {
SetCurrentSrc();
var dI = currentSrc.lastIndexOf(".");
var uI = currentSrc.lastIndexOf("/") + 5;
var fileExt = currentSrc.substring(dI);
var imgName = "tags-" + tagEntry.value + " ";
if (tagEntry.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;
for (imgIndex = 0; imgIndex < imgList.length;) {
try {
DownloadCurrent();
imgIndex++;
} catch (ex) {
console.log(ex);
imgIndex++;
//imgList[imgIndex].remove();
}
}
imgIndex = prevIndex;
}
function keyInput(e) {
if (document.activeElement != tagEntry) {
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;
}
}
}
function SetUpSiteSwitchObjs() {
///this is the object that controls what should be done for each individual website supported
siteSwitchObj = {
//the default here serves as a master obj so that code bits can be reused if certain websites
//use similar layouts in areas. it is based on the gelbooru design.
default: {
SetVars: function () {
buttonInsertionPoint = document.getElementsByClassName("content")[0];
posts = document.getElementById("post-list");
imgList = document.getElementsByClassName("thumb");
tagEntry = document.getElementById("tags");
postSources = Array(imgList.length);
tagTypeLookup = {
0: "tag-type-general",
1: "tag-type-artist",
2: "tag-type-copyright",
3: "tag-type-copyright",
4: "tag-type-character"
};
},
ImgClickGetChildAndParent: function (obj, e) {
obj.child = e.target.parentNode.parentNode;
obj.parent = obj.child.parentNode;
},
posts: {
PostApiSelector: function (apiObj) {
var pid = 0;
if (apiObj.pid)
pid = apiObj.pid / 42;
apiObj.postLimit = imgList.length;
var tags = encodeURIComponent(tagEntry.value);
apiObj.request = "/index.php?page=dapi&s=post&q=index&limit=" + apiObj.postLimit + "&tags=" + tags + "&pid=" + pid;
},
PostSourcesSelector: function (apiObj) {
for (var i = 0; i < apiObj.postLimit; i++) {
if (!postsJson.posts.post[i])
break;
postSources[i] = postsJson.posts.post[i]["@attributes"].file_url;
}
},
SinglePostSrc: function (getIndex) {
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;
}
},
tags: {
GetSplitTagsPerPost: function (uniqueTagList) {
for (var i = 0; i < imgList.length; i++) {
var currentPost = postsJson.posts.post[i];
var tags = currentPost["@attributes"].tags.toLowerCase();
var splitTags = tags.split(' ');
uniqueTagList.push(splitTags);
}
},
TagApiSelector: function (uniqueTagList) {
var uniqueTagString = "";
var uniqueStringArray = [];
var usCount = 0;
for (i = 0; i < uniqueTagList.length; i++) {
if (usCount === 0) {
uniqueTagString += uniqueTagList[i];
} else {
uniqueTagString += " " + uniqueTagList[i];
}
usCount++;
if (usCount > 99 || i == uniqueTagList.length - 1) {
usCount = 0;
uniqueStringArray.push(uniqueTagString);
uniqueTagString = "";
}
}
for (i = 0; i < uniqueStringArray.length; i++) {
var request = "/index.php?page=dapi&s=tag&q=index&names=" + encodeURIComponent(uniqueStringArray[i]);
TagRequest(request);
}
},
TagDictionarySetup: function (tagPageJson) {
let tmpArray = tagPageJson.tags.tag;
if (!tagArray)
tagArray = tmpArray;
else {
tagArray = tagArray.concat(tmpArray);
}
for (i = 0; i < tmpArray.length; i++) {
tagDictionary[tmpArray[i]["@attributes"].name.toLowerCase()] = tmpArray[i]["@attributes"];
}
},
AddTag: function (tagName, tagParent, tagToClone, stringToReplace) {
try {
var clonedTag = tagToClone.cloneNode(true);
tagParent.appendChild(clonedTag);
clonedTag.innerHTML = clonedTag.innerHTML.replaceAll(stringToReplace, encodeURIComponent(tagName));
clonedTag.childNodes[7].innerHTML = tagName.replace(/_/g, " ");
var jsonTag = tagDictionary[tagName];
var tagType = jsonTag.type;
clonedTag.setAttribute("class", tagTypeLookup[tagType]);
clonedTag.childNodes[9].innerHTML = jsonTag.count;
} catch (ex) {
console.log("Failed tag: " + tagName);
console.log(ex);
console.log(tagDictionary);
}
},
AddTags: function () {
var currentPost = postsJson.posts.post[imgIndex];
var tags = currentPost["@attributes"].tags;
var splitTags = tags.split(' ');
var tagBar = document.getElementById("tag-sidebar");
var firstTag = tagBar.childNodes[0];
var stringToReplace = firstTag.innerHTML.substring(firstTag.innerHTML.indexOf("search=") + 7, firstTag.innerHTML.indexOf('" title="Wiki"'));
for (var i = 1; i < splitTags.length; i++) {
this.AddTag(splitTags[i], tagBar, firstTag, stringToReplace)
}
firstTag.remove();
},
RemoveTags: function () {
var tagBar = document.getElementById("tag-sidebar");
for (var i = tagBar.childNodes.length - 1; i >= 1; i--) {
tagBar.childNodes[i].remove();
}
},
RemoveEmptyTags: function () {
var tagBar = document.getElementById("tag-sidebar");
for (var i = tagBar.childNodes.length - 1; i >= 0; i--) {
let tAg = tagBar.childNodes[i];
if (tAg.childNodes[7].innerHTML === "") {
tAg.remove();
}
}
}
}
},
//this setup for gelbooru and r34 uses all the default calls
"gel+r34": {
SetVars: function () {
siteSwitchObj.default.SetVars();
},
ImgClickGetChildAndParent: function (obj, e) {
siteSwitchObj.default.ImgClickGetChildAndParent(obj, e);
},
posts: {
PostApiSelector: function (apiObj) {
siteSwitchObj.default.posts.PostApiSelector(apiObj);
},
PostSourcesSelector: function (apiObj) {
siteSwitchObj.default.posts.PostSourcesSelector(apiObj);
},
SinglePostSrc: function (getIndex) {
return siteSwitchObj.default.posts.SinglePostSrc(getIndex);
}
},
tags: {
GetSplitTagsPerPost: function (uniqueTagList) {
siteSwitchObj.default.tags.GetSplitTagsPerPost(uniqueTagList);
},
TagApiSelector: function (uniqueTagList) {
siteSwitchObj.default.tags.TagApiSelector(uniqueTagList);
},
TagDictionarySetup: function (tagPageJson) {
siteSwitchObj.default.tags.TagDictionarySetup(tagPageJson);
},
RemoveTags: function () {
siteSwitchObj.default.tags.RemoveTags();
},
AddTag: function (tagName, tagParent, tagToClone, stringToReplace) {
siteSwitchObj.default.tags.AddTag(tagName, tagParent, tagToClone, stringToReplace);
},
AddTags: function () {
siteSwitchObj.default.tags.AddTags();
},
RemoveEmptyTags: function () {
siteSwitchObj.default.tags.RemoveEmptyTags();
}
}
},
"sankaku": {}
};
siteObj = siteSwitchObj[siteInfo.siteIndex];
}
//----------everything below here is either utility or is pretty set in stone-------------------
Element.prototype.remove = function () {
if (this)
this.parentElement.removeChild(this);
};
//String.prototype.replaceAll = function (search, replacement) {
// var target = this;
// return target.replace(new RegExp(search, 'g'), replacement);
//};
String.prototype.replaceAll = function (search, replacement) {
var target = this;
return target.split(search).join(replacement);
};
function mergeDedupe(arr) {
return [...new Set([].concat(...arr))];
}
function PrevImg() {
imgIndex--;
if (imgIndex < 0)
imgIndex = imgList.length - 1;
SetImg();
}
function NextImg() {
imgIndex++;
if (imgIndex >= imgList.length)
imgIndex = 0;
SetImg();
}
var imgMouseDown = false;
var imgDownPosX, imgDownPosY, imgDownHeight = 0;
function ImageMouseDown(e) {
e.preventDefault();
imgMouseDown = true;
imgDownPosX = e.screenX;
imgDownPosY = e.screenY;
imgDownHeight = Number(imgViewImg.getAttribute("height"));
return false;
}
function ImageMouseUp(e) {
e.preventDefault();
imgMouseDown = false;
return false;
}
function ImageMouseMove(e) {
if (imgMouseDown) {
e.preventDefault();
var moveDist = e.screenY - Number(imgDownPosY);
imgViewImg.setAttribute("height", imgDownHeight + moveDist * 2);
videoImg.setAttribute("height", imgDownHeight + moveDist * 2);
return false;
}
}
function ImageMouseLeave(e) {
e.preventDefault();
imgMouseDown = false;
return false;
}
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 JsonHttpRequest(urlRequest) {
var xhr = new XMLHttpRequest();
xhr.open("GET", urlRequest, false);
xhr.send();
return xmlToJson(xhr.responseXML);
}
// 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;
}
})
();