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November 15, 2010
posted by Eric on 11.15.10 at 11:48 PM //Copyright 2010 Facebook, Inc. // //Licensed under the Apache License, Version 2.0 (the "License"); you may //not use this file except in compliance with the License. You may obtain //a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // //Unless required by applicable law or agreed to in writing, software //distributed under the License is distributed on an "AS IS" BASIS, WITHOUT //WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the //License for the specific language governing permissions and limitations //under the License. // ==UserScript== // @name Facebook Like // @namespace http://www.facebook.com // @description Like any page on the web! // @include * // ==/UserScript== //don't append the bar if it's an iframe if (window.top != window.self) { exit; } base_url = getBaseURL(); //don't display the bar on facebook.com if (base_url == 'http://www.facebook.com/' || base_url == '/') { exit; } //assigning event handlers need a timeout so they don't die setTimeout(assignClickHandler, 100); var base_url = getBaseURL(window.location); //define the HTML/CSS that needs to be prepended to the current page var output_markup = ''; output_markup = ' ' +
' ' +
'';
output = document.createElement('div');
output.innerHTML = output_markup;
//prepend the markup to the body
body = document.getElementsByTagName('body')[0];
body.appendChild(output);
//buffer the top of the page so the bar doesn't overlap any content on initial load
body.style.marginTop = '29px';
//toggle Recent Activity/Recommendations sidebar on and off
function showExtraInfo() {
obj = document.getElementById("extra-info");
if (obj.style.display == "none")
{
obj.style.display = "";
}
else {
obj.style.display = "none";
}
return false;
}
//track the click event on the plus ([+]) button in order to toggle showExtraInfo
function assignClickHandler() {
var clickDiv = document.getElementById('socialInfo');
clickDiv.addEventListener("click", showExtraInfo, true);
}
//get the base URL of the site the user is currently on
function getBaseURL () {
var url = location.href;
var baseURL = url.substring(0, url.indexOf('/', 14));
if (baseURL.indexOf('http://localhost') != -1) {
var url = location.href;
var pathname = location.pathname;
var index1 = url.indexOf(pathname);
var index2 = url.indexOf("/", index1 + 1);
var baseLocalUrl = url.substr(0, index2);
return baseLocalUrl + "/";
}
else {
return baseURL + "/";
}
}
' + document.title.substring(0,60) + '... |
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