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jquery.socialshareprivacy.js
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jquery.socialshareprivacy.js
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/*
* jquery.socialshareprivacy.js | 2 clicks for more Privacy
*
* http://www.heise.de/extras/socialshareprivacy/
* http://www.heise.de/ct/artikel/2-Klicks-fuer-mehr-Datenschutz-1333879.html
*
* Copyright (c) 2011 Hilko Holweg, Sebastian Hilbig, Nicolas Heiringhoff, Juergen Schmidt,
* Heise Zeitschriften Verlag GmbH & Co. KG, http://www.heise.de
* English Translation (c) 2012 James Michael DuPont http://www.flossk.org
*
* is released under the MIT License http://www.opensource.org/licenses/mit-license.php
*
* Spread the word, link to us if you can.
*/
(function ($) {
"use strict";
/*
* helper functions
*/
// abbreviate at last blank before length and add "\u2026" (horizontal ellipsis)
function abbreviateText(text, length) {
var abbreviated = decodeURIComponent(text);
if (abbreviated.length <= length) {
return text;
}
var lastWhitespaceIndex = abbreviated.substring(0, length - 1).lastIndexOf(' ');
abbreviated = encodeURIComponent(abbreviated.substring(0, lastWhitespaceIndex)) + "\u2026";
return abbreviated;
}
// returns content of <meta name="" content=""> tags or '' if empty/non existent
function getMeta(name) {
var metaContent = $('meta[name="' + name + '"]').attr('content');
return metaContent || '';
}
// create tweet text from content of <meta name="DC.title"> and <meta name="DC.creator">
// fallback to content of <title> tag
function getTweetText() {
var title = getMeta('DC.title');
var creator = getMeta('DC.creator');
if (title.length > 0 && creator.length > 0) {
title += ' - ' + creator;
} else {
title = $('title').text();
}
return encodeURIComponent(title);
}
// build URI from rel="canonical" or document.location
function getURI() {
var uri = document.location.href;
var canonical = $("link[rel=canonical]").attr("href");
if (canonical && canonical.length > 0) {
if (canonical.indexOf("http") < 0) {
canonical = document.location.protocol + "//" + document.location.host + canonical;
}
uri = canonical;
}
return uri;
}
function cookieSet(name, value, days, path, domain) {
var expires = new Date();
expires.setTime(expires.getTime() + (days * 24 * 60 * 60 * 1000));
document.cookie = name + '=' + value + '; expires=' + expires.toUTCString() + '; path=' + path + '; domain=' + domain;
}
function cookieDel(name, value, path, domain) {
var expires = new Date();
expires.setTime(expires.getTime() - 100);
document.cookie = name + '=' + value + '; expires=' + expires.toUTCString() + '; path=' + path + '; domain=' + domain;
}
// extend jQuery with our plug-in function
$.fn.socialSharePrivacy = function (settings) {
var defaults = {
'services' : {
'facebook' : {
'status' : 'on',
'dummy_img' : 'socialshareprivacy/images/dummy_facebook_en.png',
'txt_info' : '2 clicks for privacy: if you click here, you activate the facebook button and you can recommend this site. When the facebook button is activated, your personal data will be transmitted to third parties. See <em>i</em>.',
'txt_fb_off' : 'not connected with Facebook',
'txt_fb_on' : 'connected with Facebook',
'perma_option' : 'on',
'display_name' : 'Facebook',
'referrer_track' : '',
'language' : 'en_US',
'action' : 'recommend'
},
'twitter' : {
'status' : 'on',
'dummy_img' : 'socialshareprivacy/images/dummy_twitter.png',
'txt_info' : '2 clicks for privacy: if you click here, you activate the twitter button and you can share this site. When the twitter button is activated, your personal data will be transmitted to third parties. See <em>i</em>.',
'txt_twitter_off' : 'not connected with Twitter',
'txt_twitter_on' : 'connected with Twitter',
'perma_option' : 'on',
'display_name' : 'Twitter',
'referrer_track' : '',
'tweet_text' : getTweetText,
'language' : 'en'
},
'gplus' : {
'status' : 'on',
'dummy_img' : 'socialshareprivacy/images/dummy_gplus.png',
'txt_info' : '2 clicks for privacy: if you click here, you activate the Google+ button and you can share this site. When the Google+ button is activated, your personal data will be transmitted to third parties. See <em>i</em>.',
'txt_gplus_off' : 'not connected with Google+',
'txt_gplus_on' : 'connected with Google+',
'perma_option' : 'on',
'display_name' : 'Google+',
'referrer_track' : '',
'language' : 'de'
}
},
'info_link' : 'http://h4ck3rm1k3.github.com/socialshareprivacy/',
'txt_help' : 'If you activate the buttons here, your private information will be transmitted to Facebook, Twitter or Google in USA and may be saved there. For more information, click here <em>i</em>.',
'settings_perma' : 'Activate Permanently and agree to always transfer your personal information (uses cookies):',
'cookie_path' : '/',
'cookie_domain' : document.location.host,
'cookie_expires' : '365',
'css_path' : 'socialshareprivacy/socialshareprivacy.css',
'uri' : getURI
};
// Default values of the plug-in will be overwritten with the user options.
var options = $.extend(true, defaults, settings);
var facebook_on = (options.services.facebook.status === 'on');
var twitter_on = (options.services.twitter.status === 'on');
var gplus_on = (options.services.gplus.status === 'on');
// check if at least one service is "on"
if (!facebook_on && !twitter_on && !gplus_on) {
return;
}
// insert stylesheet into document and pre pend target element
if (options.css_path.length > 0) {
// IE fix (needed for IE < 9 - will be done for all IEs)
if (document.createStyleSheet) {
document.createStyleSheet(options.css_path);
} else {
$('head').append('<link rel="stylesheet" type="text/css" href="' + options.css_path + '" />');
}
}
return this.each(function () {
$(this).prepend('<ul class="social_share_privacy_area"></ul>');
var context = $('.social_share_privacy_area', this);
// canonical uri that will be shared
var uri = options.uri;
if (typeof uri === 'function') {
uri = uri(context);
}
//
// Facebook
//
if (facebook_on) {
var fb_enc_uri = encodeURIComponent(uri + options.services.facebook.referrer_track);
var fb_code = '<iframe src="http://www.facebook.com/plugins/like.php?locale=' + options.services.facebook.language + '&href=' + fb_enc_uri + '&send=false&layout=button_count&width=120&show_faces=false&action=' + options.services.facebook.action + '&colorscheme=light&font&height=21" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:145px; height:21px;" allowTransparency="true"></iframe>';
var fb_dummy_btn = '<img src="' + options.services.facebook.dummy_img + '" alt="Facebook "Like"-Dummy" class="fb_like_privacy_dummy" />';
context.append('<li class="facebook help_info"><span class="info">' + options.services.facebook.txt_info + '</span><span class="switch off">' + options.services.facebook.txt_fb_off + '</span><div class="fb_like dummy_btn">' + fb_dummy_btn + '</div></li>');
var $container_fb = $('li.facebook', context);
$('li.facebook div.fb_like img.fb_like_privacy_dummy,li.facebook span.switch', context).live('click', function () {
if ($container_fb.find('span.switch').hasClass('off')) {
$container_fb.addClass('info_off');
$container_fb.find('span.switch').addClass('on').removeClass('off').html(options.services.facebook.txt_fb_on);
$container_fb.find('img.fb_like_privacy_dummy').replaceWith(fb_code);
} else {
$container_fb.removeClass('info_off');
$container_fb.find('span.switch').addClass('off').removeClass('on').html(options.services.facebook.txt_fb_off);
$container_fb.find('.fb_like').html(fb_dummy_btn);
}
});
}
//
// Twitter
//
if (twitter_on) {
var text = options.services.twitter.tweet_text;
if (typeof text === 'function') {
text = text();
}
// 120 is the max character count left after twitters automatic url shortening with t.co
text = abbreviateText(text, '120');
var twitter_enc_uri = encodeURIComponent(uri + options.services.twitter.referrer_track);
var twitter_count_url = encodeURIComponent(uri);
var twitter_code = '<iframe allowtransparency="true" frameborder="0" scrolling="no" src="http://platform.twitter.com/widgets/tweet_button.html?url=' + twitter_enc_uri + '&counturl=' + twitter_count_url + '&text=' + text + '&count=horizontal&lang=' + options.services.twitter.language + '" style="width:130px; height:25px;"></iframe>';
var twitter_dummy_btn = '<img src="' + options.services.twitter.dummy_img + '" alt=""Tweet this"-Dummy" class="tweet_this_dummy" />';
context.append('<li class="twitter help_info"><span class="info">' + options.services.twitter.txt_info + '</span><span class="switch off">' + options.services.twitter.txt_twitter_off + '</span><div class="tweet dummy_btn">' + twitter_dummy_btn + '</div></li>');
var $container_tw = $('li.twitter', context);
$('li.twitter div.tweet img,li.twitter span.switch', context).live('click', function () {
if ($container_tw.find('span.switch').hasClass('off')) {
$container_tw.addClass('info_off');
$container_tw.find('span.switch').addClass('on').removeClass('off').html(options.services.twitter.txt_twitter_on);
$container_tw.find('img.tweet_this_dummy').replaceWith(twitter_code);
} else {
$container_tw.removeClass('info_off');
$container_tw.find('span.switch').addClass('off').removeClass('on').html(options.services.twitter.txt_twitter_off);
$container_tw.find('.tweet').html(twitter_dummy_btn);
}
});
}
//
// Google+
//
if (gplus_on) {
// for G+ the URL will not be encoded, because it causes problems
var gplus_uri = uri + options.services.gplus.referrer_track;
// we use the Google+ "asynchronous" code, standard code is flaky if inserted into Dom after load
var gplus_code = '<div class="g-plusone" data-size="medium" data-href="' + gplus_uri + '"></div><script type="text/javascript">window.___gcfg = {lang: "' + options.services.gplus.language + '"}; (function() { var po = document.createElement("script"); po.type = "text/javascript"; po.async = true; po.src = "https://apis.google.com/js/plusone.js"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(po, s); })(); </script>';
var gplus_dummy_btn = '<img src="' + options.services.gplus.dummy_img + '" alt=""Google+1"-Dummy" class="gplus_one_dummy" />';
context.append('<li class="gplus help_info"><span class="info">' + options.services.gplus.txt_info + '</span><span class="switch off">' + options.services.gplus.txt_gplus_off + '</span><div class="gplusone dummy_btn">' + gplus_dummy_btn + '</div></li>');
var $container_gplus = $('li.gplus', context);
$('li.gplus div.gplusone img,li.gplus span.switch', context).live('click', function () {
if ($container_gplus.find('span.switch').hasClass('off')) {
$container_gplus.addClass('info_off');
$container_gplus.find('span.switch').addClass('on').removeClass('off').html(options.services.gplus.txt_gplus_on);
$container_gplus.find('img.gplus_one_dummy').replaceWith(gplus_code);
} else {
$container_gplus.removeClass('info_off');
$container_gplus.find('span.switch').addClass('off').removeClass('on').html(options.services.gplus.txt_gplus_off);
$container_gplus.find('.gplusone').html(gplus_dummy_btn);
}
});
}
//
// the Info/Settings-area will be added in
//
context.append('<li class="settings_info"><div class="settings_info_menu off perma_option_off"><a href="' + options.info_link + '"><span class="help_info icon"><span class="info">' + options.txt_help + '</span></span></a></div></li>');
// write out the Info-Overlays with a small delay
$('.help_info:not(.info_off)', context).live('mouseenter', function () {
var $info_wrapper = $(this);
var timeout_id = window.setTimeout(function () { $($info_wrapper).addClass('display'); }, 500);
$(this).data('timeout_id', timeout_id);
});
$('.help_info', context).live('mouseleave', function () {
var timeout_id = $(this).data('timeout_id');
window.clearTimeout(timeout_id);
if ($(this).hasClass('display')) {
$(this).removeClass('display');
}
});
var facebook_perma = (options.services.facebook.perma_option === 'on');
var twitter_perma = (options.services.twitter.perma_option === 'on');
var gplus_perma = (options.services.gplus.perma_option === 'on');
// write out the menus for permanent settings of the services via cookie
// IE7 is handled separately because it cannot handle JSON cookies
if (((facebook_on && facebook_perma)
|| (twitter_on && twitter_perma)
|| (gplus_on && gplus_perma))
&& (!$.browser.msie || ($.browser.msie && $.browser.version > 7.0))) {
// Cookies will be loaded
var cookie_list = document.cookie.split(';');
var cookies = '{';
var i = 0;
for (; i < cookie_list.length; i += 1) {
var foo = cookie_list[i].split('=');
cookies += '"' + $.trim(foo[0]) + '":"' + $.trim(foo[1]) + '"';
if (i < cookie_list.length - 1) {
cookies += ',';
}
}
cookies += '}';
cookies = JSON.parse(cookies);
// define containers
var $container_settings_info = $('li.settings_info', context);
// remove the classes that format the i-Icon because the Permanent Options are turned on.
$container_settings_info.find('.settings_info_menu').removeClass('perma_option_off');
// Permanent Options Icon (.settings) and Forms (hidden) are loaded
$container_settings_info.find('.settings_info_menu').append('<span class="settings">Settings</span><form><fieldset><legend>' + options.settings_perma + '</legend></fieldset></form>');
// write out the the services with <input> and <label>, and the checked-Status based on the cookie
var checked = ' checked="checked"';
if (facebook_on && facebook_perma) {
var perma_status_facebook = cookies.socialSharePrivacy_facebook === 'perma_on' ? checked : '';
$container_settings_info.find('form fieldset').append(
'<input type="checkbox" name="perma_status_facebook" id="perma_status_facebook"'
+ perma_status_facebook + ' /><label for="perma_status_facebook">'
+ options.services.facebook.display_name + '</label>'
);
}
if (twitter_on && twitter_perma) {
var perma_status_twitter = cookies.socialSharePrivacy_twitter === 'perma_on' ? checked : '';
$container_settings_info.find('form fieldset').append(
'<input type="checkbox" name="perma_status_twitter" id="perma_status_twitter"'
+ perma_status_twitter + ' /><label for="perma_status_twitter">'
+ options.services.twitter.display_name + '</label>'
);
}
if (gplus_on && gplus_perma) {
var perma_status_gplus = cookies.socialSharePrivacy_gplus === 'perma_on' ? checked : '';
$container_settings_info.find('form fieldset').append(
'<input type="checkbox" name="perma_status_gplus" id="perma_status_gplus"'
+ perma_status_gplus + ' /><label for="perma_status_gplus">'
+ options.services.gplus.display_name + '</label>'
);
}
// change the Cursor to Pointer for the settings gear
$container_settings_info.find('span.settings').css('cursor', 'pointer');
// turn the settings menu on and off on mouseover
$($container_settings_info.find('span.settings'), context).live('mouseenter', function () {
var timeout_id = window.setTimeout(function () { $container_settings_info.find('.settings_info_menu').removeClass('off').addClass('on'); }, 500);
$(this).data('timeout_id', timeout_id);
});
$($container_settings_info, context).live('mouseleave', function () {
var timeout_id = $(this).data('timeout_id');
window.clearTimeout(timeout_id);
$container_settings_info.find('.settings_info_menu').removeClass('on').addClass('off');
});
// turn on the permanent click-handlers for the service <input>, set the cookies
$($container_settings_info.find('fieldset input')).live('click', function (event) {
var click = event.target.id;
var service = click.substr(click.lastIndexOf('_') + 1, click.length);
var cookie_name = 'socialSharePrivacy_' + service;
if ($('#' + event.target.id + ':checked').length) {
cookieSet(cookie_name, 'perma_on', options.cookie_expires, options.cookie_path, options.cookie_domain);
$('form fieldset label[for=' + click + ']', context).addClass('checked');
} else {
cookieDel(cookie_name, 'perma_on', options.cookie_path, options.cookie_domain);
$('form fieldset label[for=' + click + ']', context).removeClass('checked');
}
});
// if the cookies are set, turn the services on and off
if (facebook_on && facebook_perma && cookies.socialSharePrivacy_facebook === 'perma_on') {
$('li.facebook span.switch', context).click();
}
if (twitter_on && twitter_perma && cookies.socialSharePrivacy_twitter === 'perma_on') {
$('li.twitter span.switch', context).click();
}
if (gplus_on && gplus_perma && cookies.socialSharePrivacy_gplus === 'perma_on') {
$('li.gplus span.switch', context).click();
}
}
}); // this.each(function ()
}; // $.fn.socialSharePrivacy = function (settings) {
}(jQuery));