There are 4 previous versions of this script.
// ==UserScript==
// @name Flickr No Awards
// @namespace http://www.moremonks.com
// @description Removes any award comments and group invitations from flickr photos
// @include http://www.flickr.com/photos/*
// @include http://flickr.com/photos/*
// @version 1.1
// @author Justin Locsei
// ==/UserScript==
//
// Script written by Justin Locsei
// http://www.moremonks.com
(function() {
var almostLoaded = false, awardComments = [], awardsHidden, flickrColors, newLayout, toggleLink, versionXPaths;
// Standard colors used by flickr
flickrColors = {
blue: "#0063DC",
gray: "#C3BEBD",
pink: "#FF0084",
silver: "#F3F3F3"
};
// Different XPath expressions for different versions of the photo page
versionXPaths = {
awardComments: "//a[contains(@href, '/groups/') and not(starts-with(text(), 'Seen')) and not(contains(text(), '?'))]/ancestor::*[contains(@class,'comment-block')]",
commentContent: {
newer: "div[contains(@class,'comment-content')]/p[contains(@class,'comment-head')]",
older: "div[contains(@class,'comment-content')]/h4"
},
commentHeader: {
newer: "//div[@id='comments']/h3[starts-with(text(), 'Comments')]",
older: "//div[@id='DiscussPhoto']/h3[starts-with(text(), 'Comments')]"
},
styleComment: {
newer: "div[contains(@class, 'comment-content')]",
older: "."
}
};
// Helper for XPath queries
function doXPath(query, searchIn) {
return document.evaluate(query, searchIn, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
}
// Helper to return the proper XPath query for the photo page layout version
function versionXPath(xPathName) {
var xPath = versionXPaths[xPathName];
if (typeof xPath == "object") {
return newLayout ? xPath["newer"] : xPath["older"];
} else {
return xPath;
}
}
// Toggle the visibility of any award comments and update the status text
function toggleAwards() {
var commentDisplay = awardsHidden ? "block" : "none";
for (i=0; i < awardComments.length; i++) {
awardComments[i].style.display = commentDisplay;
}
awardsHidden = !awardsHidden;
toggleLink.innerHTML = awardsHidden ? "hiding" : "showing";
}
// Searches for awards when the comments page is changed using the new layout's
// JavaScript-based pagination controls. This works by watching an element that
// flickr uses to darken the screen during loading. While a new page is
// loading, this element has a "loading" class, and, when loading is finished,
// is assigned a "loaded" class.
function processNewPage(e) {
if (e.attrName == "class" && e.newValue == "loaded") {
almostLoaded = true;
processAwards();
}
}
// This is called by a listener on the comments container that watches for node
// insertion events, and specifically looks for the comment form to be added,
// after the processNewPage function has flagged that a new page is being
// loaded. If, once this event occurs, the page looks like the No Awards script
// has yet to be invoked, this function processes the award comments.
//
// This seems necessary in order to prevent award comments from not being
// processed on the first page, which seems to reload the comments area after
// it has already been loaded and inserted into the document.
function processFirstPage(e) {
if (almostLoaded) {
var newObjectClass = e.target.className || "";
if (newObjectClass.indexOf("add-comment-form") >= 0) {
if (! document.getElementById('NA-statusText')) {
almostLoaded = false;
processAwards();
}
}
}
}
// Does the heavy lifting of hiding award comments and modifying the document
function processAwards() {
var awardComment, awardsXPath, commentContent, commentCount, commentHeader, i, flagText, statusText, styleComment;
awardComments = [];
awardsHidden = false;
// Get all apparent award comments, as determined by the presence of a link to
// a group in the body of the comment Since this sometimes filters out comments
// with a "seen in..." signature, try to filter out comments that have a "(?)"
// link to the group or the post that started this style of comment signing.
awardsXPath = doXPath(versionXPath("awardComments"), document);
// Only proceed if award comments were found
if (awardsXPath.snapshotLength) {
// Alter the display of each award comment
for (i=0; i < awardsXPath.snapshotLength; i++) {
// Get each award comment and store it for later use
awardComment = awardsXPath.snapshotItem(i);
styleComment = doXPath(versionXPath("styleComment"), awardComment).snapshotItem(0);
styleComment.className += " NA-award";
awardComments.push(awardComment);
// Add text to each comment
commentContent = doXPath(versionXPath("commentContent"), awardComment).snapshotItem(0);
flagText = document.createElement("p");
flagText.className = "NA-awardFlag";
flagText.innerHTML = "award comment";
commentContent.parentNode.insertBefore(flagText, commentContent);
}
// Create container for status text
statusText = document.createElement("p");
statusText.id = "NA-statusText";
// Create the award comment count text
commentCount = document.createElement("span");
commentCount.innerHTML = " <strong>" + awardComments.length + "</strong> award comments";
// Create visibility toggle link
toggleLink = document.createElement("strong");
toggleLink.id = "NA-toggleLink";
toggleLink.addEventListener("click", toggleAwards, true);
// Add the status text and toggle links to the right of the comments header
commentHeader = doXPath(versionXPath("commentHeader"), document).snapshotItem(0);
commentHeader.parentNode.insertBefore(statusText, commentHeader);
statusText.appendChild(toggleLink);
statusText.appendChild(commentCount);
// Hide the award comments
toggleAwards();
}
}
// Determine which version of the photo page layout the user has activated
newLayout = doXPath("//div[@id='comments']", document).snapshotLength > 0;
// Create styles for our custom elements
GM_addStyle([
".NA-award {background: " + flickrColors.silver + "; border: 1px solid " + flickrColors.gray + "; border-left: 3px double " + flickrColors.gray + "; margin-bottom: 1em; padding: 1em;}",
".NA-awardFlag {color: " + flickrColors.pink + "; float: right; font-weight: bold; margin: 0 !important;}",
"#NA-statusText {color: " + flickrColors.pink + "; float: right; margin: 0; padding: 0.25em 0 0.25em 0;}",
"#NA-toggleLink {color: " + flickrColors.blue + "; cursor: pointer; font-weight: bold; }"
].join(""));
// If using the new photo page layout, listen for class changes in elements
// used during loading, in order to determine when a new comment page is ready.
if (newLayout) {
document.getElementById("global-dialog-background").addEventListener('DOMAttrModified', processNewPage, false);
document.getElementById("comments").addEventListener('DOMNodeInserted', processFirstPage, false);
}
// Hide any award comments
processAwards();
})();
