MediaWiki:Common.js: Difference between revisions

From Noisebridge
Jump to navigation Jump to search
m (hide the top censorship bar underneath the full screen blackout box)
(remove sopa blackout and censorship)
Line 1: Line 1:
/* Any JavaScript here will be loaded for all users on every page load. */


// from https://github.com/dougmartin/Stop-Censorship
//
// stopcensorship.js
//
// Author: Doug Martin (@dougmartin or http://dougmart.in/)
//
// Usage: Add to head or body of any page to automatically censor the content to protest censorship of the Internet
//
// Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
//
// NOTE: PLEASE DON'T HOTLINK THIS SCRIPT!
//
(function () {
var walker, node, root, bar;
function removeBar() {
// set the no-censor cookie for this session
document.cookie = "__REMOVE_STOP_CENSORSHIP__=1;path=/";
// and reload the page
window.location.reload();
return false;
}
function addBar() {
var baseStyles, linkStyles, stopLink, removeLink;
function createStyledNode(type, text, nodeStyles) {
var i, node, e;
function applyStyles(styles) {
if (styles) {
for (i in styles) {
if (styles.hasOwnProperty(i)) {
try {
node.style[i] = styles[i];
}
catch (e) {
}
}
}
}
}
node = document.createElement(type);
node.innerHTML = text;
applyStyles(baseStyles);
applyStyles(nodeStyles);
return node;
}
// create the base styles
baseStyles = {
"background": "#000 none repeat scroll 0% 0%",
"borderCollapse": "separate",
"borderSpacing": "0",
"border": "medium none #000",
"bottom": "auto",
"captionSide": "top",
"clear": "none",
"clip": "auto",
"color": "#fff",
"cursor": "auto",
"direction": "ltr",
"display": "inline",
"emptyCells": "show",
"float": "none",
"fontStyle": "normal",
"fontVariant": "normal",
"fontWeight": "bold",
"fontSize": "12px",
"fontFamily": "verdana,helvetica,arial,sans-serif",
"height": "auto",
"left": "auto",
"letterSpacing": "normal",
"lineHeight": "normal",
"listStyle": "disc outside none",
"margin": "0",
"maxHeight": "none",
"maxWidth": "none",
"minHeight": "0",
"minWidth": "0",
"orphans": "2",
"outline": "invert none medium",
"overflow": "visible",
"padding": "0",
"pageBreakAfter": "auto",
"pageBreakBefore": "auto",
"pageBreakInside": "auto",
"position": "static",
"right": "auto",
"tableLayout": "auto",
"textAlign": "left",
"textDecoration": "none",
"textIndent": "0",
"textTransform": "none",
"top": "auto",
"unicodeBidi": "normal",
"verticalAlign": "baseline",
"visibility": "visible",
"whiteSpace": "normal",
"widows": "2",
"width": "auto",
"wordSpacing": "normal",
"zIndex": "auto"
};
// and the link styles
linkStyles = {
"textDecoration": "underline",
"cursor": "pointer"
};
// add bar to top of page with link to anti-censor site and link to set cookie
bar = createStyledNode("div", "", {
"position": "absolute",
"top": "0",
"left": "0",
"textAlign": "center",
"margin": "0",
"padding": "5px 0",
"width": "100%",
"borderTop": "2px solid #fff",
"borderBottom": "2px solid #fff",
"zIndex": 2147483645
});
stopLink = createStyledNode("a", "STOP CENSORSHIP", linkStyles);
stopLink.href = "http://americancensorship.org/";
removeLink = createStyledNode("a", "Remove this", linkStyles);
removeLink.href = "#";
removeLink.onclick = removeBar;
bar.appendChild(stopLink);
bar.appendChild(createStyledNode("span", "|", {
"padding": "0 10px"
}));
bar.appendChild(removeLink);
document.body.appendChild(bar);
}
function run() {
var blackout, blackoutArray;
function censorNode(node) {
var words, i, j;
// split contents on whitespace
words = node.nodeValue.split(/\s/);
// randomly replace words with black bars
for (i = 0, j = words.length; i < j; i++) {
if (Math.random() < 0.5) {
words[i] = blackoutArray.slice(0, words[i].length).join("");
}
}
// and rejoin using just space
node.nodeValue = words.join(" ");
}
// create a big blackout array string to pull from
blackout = String.fromCharCode(0x2588);
blackoutArray = [];
while (blackoutArray.length < 1024) {
blackoutArray.push(blackout);
}
// process all the text
if (document.createTreeWalker) {
walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, null, false);
while (walker.nextNode()) {
censorNode(walker.currentNode);
}
}
else {
// do depth first traveral from "Iterative Tree Traversal" at
// http://stackoverflow.com/questions/2579666/getelementsbytagname-equivalent-for-textnodes
root = document.body;
node = root.childNodes[0];
while (node != null) {
if (node.nodeType == 3) {
censorNode(node);
}
if (node.hasChildNodes()) {
node = node.firstChild;
}
else {
while (node.nextSibling == null && node != root) {
node = node.parentNode;
}
node = node.nextSibling;
}
}
}
addBar();
}
// adapted from jQuery
function onReady(callback) {
var isReady = false;
function ready() {
if (isReady) {
return;
}
if (!document.body) {
return setTimeout(ready, 1);
}
isReady = true;
callback();
}
function domContentLoaded() {
if (document.addEventListener) {
document.removeEventListener("DOMContentLoaded", domContentLoaded, false);
ready();
}
else if (document.attachEvent && (document.readyState === "complete")) {
document.detachEvent("onreadystatechange", domContentLoaded);
ready();
}
}
function doScrollCheck() {
if (isReady) {
return;
}
try {
document.documentElement.doScroll("left");
} catch (e) {
setTimeout(doScrollCheck, 1);
return;
}
ready();
}
if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", domContentLoaded, false);
window.addEventListener("load", ready, false);
}
else if (document.attachEvent) {
document.attachEvent("onreadystatechange", domContentLoaded);
window.attachEvent("onload", ready);
try {
if ((window.frameElement === null) && document.documentElement.doScroll) {
doScrollCheck();
}
} catch (e) {
}
}
}
// if undo-censor cookie set, return
if (/__REMOVE_STOP_CENSORSHIP__=1/.test(document.cookie)) {
return;
}
// wait for document load and then run
if (!document.body) {
onReady(run);
}
else {
run();
}
}());
//
// from http://js.sopablackout.org/sopablackout.js
(function (){
var root = this;
var SopaBlackout = function(){};
var addEvent = function(obj, type, fn, ref_obj){
if (obj.addEventListener){
obj.addEventListener(type, fn, false);
}else if (obj.attachEvent){
obj["e"+type+fn] = fn;
obj[type+fn] = function(){
obj["e"+type+fn](window.event,ref_obj);
};
obj.attachEvent("on"+type, obj[type+fn]);
}
};
// Thanks http://javascript.nwbox.com/IEContentLoaded/
// for this
var IEContentLoaded = function(w, fn) {
var d = w.document, done = false,
init = function () {
if (!done) {
done = true;
fn();
}
};
(function () {
try {
d.documentElement.doScroll('left');
} catch (e) {
setTimeout(arguments.callee, 50);
return;
}
init();
})();
d.onreadystatechange = function() {
if (d.readyState == 'complete') {
d.onreadystatechange = null;
init();
}
};
}
var onDomReady = function(fn){
if (document.addEventListener){
document.addEventListener('DOMContentLoaded', fn, false);
}else{
IEContentLoaded(window, fn);
}
};
var getStyle = function(e, prop){
if (e.currentStyle){
return e.currentStyle[prop];
}else if (document.defaultView && document.defaultView.getComputedStyle){
return document.defaultView.getComputedStyle(e, "")[prop];
}else{
return e.style[prop];
}
};
var findPos = function(obj){
var curleft = 0;
var curtop = 0;
if (obj.offsetParent){
do{
curleft += obj.offsetLeft;
curtop += obj.offsetTop;
}while(obj = obj.offsetParent);
}
return [curleft, curtop];
};
var txt = function(s){
return document.createTextNode(s);
};
var create = function(e, props){
var elem = document.createElement(e);
var props = props !== null ? props : {};
for (var key in props){
if (key == 'href'){
elem.href = props[key];
}else{
elem.style[key] = props[key];
}
}
l = arguments.length;
for (var i=2; i<l; i++){
elem.appendChild(arguments[i]);
}
return elem;
};
var getOpts = function(){
var ret = {};
for (var key in SopaBlackout.DEFAULTS){
var k = 'sopablackout_' + key;
ret[key] = (typeof window[k] === 'undefined') ? SopaBlackout.DEFAULTS[key] : window[k];
}
return ret;
};
var dateMatches = function(spec){
spec.push(false); spec.push(false); spec.push(false);
var today = new Date();
if ((spec[0] !== false && today.getFullYear() !== spec[0]) ||
(spec[1] !== false && today.getMonth() + 1 !== spec[1]) ||
(spec[2] !== false && today.getDate() !== spec[2])){
return false;
}
return true;
};
SopaBlackout.VERSION = '0.2.0';
SopaBlackout.MIN_HEIGHT = 100;
SopaBlackout.HEADER_TEXT = "This is what the web could look like under the Stop Online Piracy Act.";
SopaBlackout.CONTINUE_TEXT = "(click anywhere to continue)";
SopaBlackout.ZINDEX = Math.pow(2, 31) - 2;
SopaBlackout.DEFAULTS = {
'id': false,
'srsbzns': false,
'on': false
};
SopaBlackout.blackout = function(opts){
var obj;
var body = document.body;
if (opts['id'] === false){
obj = body;
height = "100%";
}else{
obj = document.getElementById(opts['id']);
var height = parseInt(getStyle(obj, 'height'), 10);
height = height > SopaBlackout.MIN_HEIGHT ? height : SopaBlackout.MIN_HEIGHT;
}
var offsets = findPos(obj);
var blackout = create('div', {
position: 'absolute',
top: offsets[1],
width: '100%',
backgroundColor: 'black',
textAlign: 'center',
paddingTop: '10px',
zIndex: SopaBlackout.ZINDEX,
height: height,
color: '#999'},
create('h1', {color: '#999'}, txt(SopaBlackout.HEADER_TEXT)),
create('p', null,
txt("Keep the web open. "),
create('a', {href: "https://wfc2.wiredforchange.com/o/9042/p/dia/action/public/?action_KEY=8173"}, txt("Contact your representatives")),
txt(" or "),
create('a', {href: "http://sopablackout.org/learnmore"}, txt("find out more")))
);
if (opts['srsbzns'] !== true){
blackout.appendChild(create('p', {paddingTop: '250px', color: '#333'}, txt(SopaBlackout.CONTINUE_TEXT)));
addEvent(blackout, 'click', function(e){
body.removeChild(blackout);
});
}
body.appendChild(blackout);
};
SopaBlackout.go = function(){
var opts = getOpts();
if (opts['on'] !== false && !dateMatches(opts['on'])){
return;
}
SopaBlackout.blackout(opts);
};
onDomReady(SopaBlackout.go);
}).call(this);

Revision as of 01:29, 19 January 2012
Retrieved from "https://replica-wiki.extremist.software/index.php?title=MediaWiki:Common.js&oldid=22756"