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Linkifies all images in the tumblr dashboard stream. The script also displays the time-stamp of each post in the upper right corner.
目前为
// ==UserScript==
// @name Tumblr Dashboard - clickable links to images and display time-stamps
// @namespace tumblr_dashboard_linkify
// @version 1.2.0
// @license GNU AGPLv3
// @description Linkifies all images in the tumblr dashboard stream. The script also displays the time-stamp of each post in the upper right corner.
// @author marp
// @homepageURL http://greasyfork.icu/en/users/204542-marp
// @include https://www.tumblr.com/dashboard
// @include https://www.tumblr.com/dashboard/*
// @include https://www.tumblr.com/likes
// @include https://www.tumblr.com/likes/*
// @run-at document-end
// ==/UserScript==
function createImageLinks(myDoc, myContext) {
//console.info("createImageLinks: ", myContext);
if (myDoc===null) myDoc= myContext;
if (myDoc===null) return;
if (myContext===null) myContext= myDoc;
var matches;
var tmpstr;
var parentnode;
// var newnode;
matches=myDoc.evaluate("//div[contains(@class,'post_content')]//img[contains(@class,'post_media_photo') and (contains(@src,'.jpg') or contains(@src,'.png') or contains(@src,'.gif'))] | " +
"//div[contains(@class,'post_content')]//figure[contains(@class,'tmblr-full')]/img[contains(@src,'.jpg') or contains(@src,'.png') or contains(@src,'.gif')] | " +
"//div[contains(@class,'post_content')]//a[contains(@class,'photoset_photo')]/img[contains(@src,'.jpg') or contains(@src,'.png') or contains(@src,'.gif')]",
myContext, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for(var i=0, el; (i<matches.snapshotLength); i++) {
el=matches.snapshotItem(i);
if (el) {
try {
// console.info("matched-element: ", el);
tmpstr=getHighResImageURL(el.getAttribute("src"), false);
// console.info("highresurl: ", tmpstr);
parentnode=el.parentNode;
// console.info("parentnode: ", parentnode);
if (parentnode.nodeName.toLowerCase() == "a") {
if (parentnode.hasAttribute("class") &&
(parentnode.getAttribute("class").indexOf("post_media_photo") >= 0 ||
parentnode.getAttribute("class").indexOf("photoset_photo") >= 0) ) {
// console.info("set parentnode href: ", tmpstr);
parentnode.setAttribute("href", tmpstr);
}
// if it is a link type but with other style classes -> do nothing
} else {
insertLinkElement(myDoc, el, tmpstr);
// newnode = myDoc.createElement("a");
// newnode.setAttribute("href", tmpstr);
// newnode.setAttribute("target", "_blank");
// console.info("newnode href: ", tmpstr);
// parentnode.replaceChild(newnode, el);
// newnode.appendChild(el);
// console.info("new child of this parent: ", parentnode);
}
} catch (e) { console.warn("error: ", e); }
}
}
}
function createImageLinksForBackground(myDoc, myContext) {
if (myDoc===null) myDoc= myContext;
if (myDoc===null) return;
if (myContext===null) myContext= myDoc;
var matches;
var tmpstr;
var parentnode;
var orglink;
matches=myDoc.evaluate("//div[contains(@class,'post_content')]//div[contains(@class,'post_media')]//a[contains(@class,'link-button') and contains(@class,'has-thumbnail')]/div[contains(@style,'background-image: url(') or contains(@style,'background-image:url(')]",
myContext, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for(var i=0, el; (i<matches.snapshotLength); i++) {
el=matches.snapshotItem(i);
if (el) {
try {
// console.info("matched-element: ", el);
tmpstr = el.style.backgroundImage;
if (!tmpstr.startsWith("url(")) continue;
// strip leading url(' / url(" and trailing ') / ")
tmpstr = tmpstr.substring(5, tmpstr.lastIndexOf(tmpstr.charAt(4)));
tmpstr=getHighResImageURL(tmpstr, false);
// console.info("highresurl: ", tmpstr);
parentnode=el.parentNode; // this is a link(a) element
orglink = parentnode.getAttribute("href");
parentnode.removeAttribute("href"); //removing the href causes the a element to act like a div element
insertLinkElement(myDoc, el, tmpstr); // linkify the div with the background image only (instead of the whole parent element)
//Now create links to the original URL - but from smaller areas that do NOT overlay the whole image
el = parentnode.querySelector("div.publisher-container");
if (el !== null) {
insertLinkElement(myDoc, el, orglink);
}
el = parentnode.querySelector("div.title");
if (el !== null) {
insertLinkElement(myDoc, el, orglink);
}
el = parentnode.querySelector("div.excerpt");
if (el !== null) {
insertLinkElement(myDoc, el, orglink);
}
} catch (e) { console.warn("error: ", e); }
}
}
}
function displayDateTime(myDoc, myContext) {
if (myDoc===null) myDoc= myContext;
if (myDoc===null) return;
if (myContext===null) myContext= myDoc;
var matches;
var tmpstr;
var elements;
var headernode;
var linknode;
var pos;
var newnode;
var newnode2;
matches=myDoc.evaluate("//div[contains(@class,'post_wrapper')]",
myContext, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for(var i=0, el; (i<matches.snapshotLength); i++) {
el=matches.snapshotItem(i);
if (el) {
try {
// console.info("matched-element: ", el);
elements = el.getElementsByClassName("post_header");
if (elements.length <= 0) continue;
headernode = elements[0];
elements = el.getElementsByClassName("post_permalink");
if (elements.length <= 0) continue;
linknode = elements[0];
if (!linknode.hasAttribute("title")) continue;
tmpstr = linknode.getAttribute("title");
pos = tmpstr.indexOf(" - ");
if (pos >= 0) {
tmpstr = tmpstr.substr(pos+3);
}
newnode = myDoc.createElement("div");
newnode.setAttribute("class", "post_source");
newnode2 = myDoc.createElement("div");
// newnode2.setAttribute("class", "post_source_app");
newnode2.setAttribute("style", "float: right; text-overflow: ellipsis; overflow: hidden;");
newnode2.textContent = tmpstr;
newnode.appendChild(newnode2);
elements = headernode.getElementsByClassName("post_source");
if (elements.length <= 0) {
headernode.appendChild(newnode);
} else {
headernode.replaceChild(newnode, elements[0]);
}
} catch (e) { console.warn("error: ", e) }
}
}
}
function insertLinkElement(myDoc, wrapElement, linkTarget) {
var newnode;
var parentnode;
newnode = myDoc.createElement("a");
newnode.setAttribute("href", linkTarget);
newnode.setAttribute("target", "_blank");
parentnode = wrapElement.parentNode;
parentnode.replaceChild(newnode, wrapElement);
newnode.appendChild(wrapElement);
}
// 2018-08-09 - RAW (original upload) images do not seem to be working anymore
function getHighResImageURL(imageurl, isgetraw) {
var result = imageurl;
var tmplen = imageurl.length;
var pos;
if ((imageurl.toLowerCase().lastIndexOf(".jpg") == tmplen-4) ||
(imageurl.toLowerCase().lastIndexOf(".png") == tmplen-4)) {
if (isgetraw) {
result = "https://s3.amazonaws.com/data" +
imageurl.slice(imageurl.indexOf(".tumblr.com/"), imageurl.lastIndexOf("_")) +
"_raw" +
imageurl.substring(imageurl.lastIndexOf("."));
} else {
result = imageurl.replace("_250.","_1280.").replace("_400.","_1280.").replace("_500.","_1280.").replace("_540.","_1280.").replace("_640.","_1280.");
}
}
else if ((imageurl.toLowerCase().lastIndexOf(".gif") == tmplen-4)) {
if (isgetraw) {
result = "https://s3.amazonaws.com/data" +
imageurl.slice(imageurl.indexOf(".tumblr.com/"), imageurl.lastIndexOf("_")) +
"_raw" +
imageurl.substring(imageurl.lastIndexOf("."));
} else {
result = imageurl.replace("_250.","_540.").replace("_400.","_540.").replace("_500.","_540.");
}
}
return result;
}
// create an observer instance and iterate through each individual new node
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
mutation.addedNodes.forEach(function(addedNode) {
createImageLinks(mutation.target.ownerDocument, addedNode);
createImageLinksForBackground(mutation.target.ownerDocument, addedNode);
displayDateTime(mutation.target.ownerDocument, addedNode);
});
});
});
// configuration of the observer
// NOTE: subtree is false as the wanted nodes are direct children of <ol id="posts"> -> notable performance improvement
var config = { attributes: false, childList: true, characterData: false, subtree: false };
// pass in the target node (<ol> element contains all dashboard posts), as well as the observer options
var postsmatch = document.evaluate("//ol[@id='posts']", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
//console.info("postsmatch: ", postsmatch);
var postsnode = postsmatch.singleNodeValue;
//console.info("postsnode: ", postsnode);
//process already loaded nodes (the initial posts before scrolling down for the first time)
createImageLinks(document, postsnode);
createImageLinksForBackground(document, postsnode);
displayDateTime(document, postsnode);
//start the observer for new nodes
observer.observe(postsnode, config);