// ==UserScript==
// @name         4chan X alpha
// @version      3.0.0
// @description  Adds various features.
// @copyright    2009-2011 James Campos <james.r.campos@gmail.com>
// @copyright    2012 Nicolas Stepien <stepien.nicolas@gmail.com>
// @license      MIT; http://en.wikipedia.org/wiki/Mit_license
// @match        *://boards.4chan.org/*
// @match        *://images.4chan.org/*
// @match        *://sys.4chan.org/*
// @run-at       document-start
// @updateURL    https://github.com/MayhemYDG/4chan-x/raw/stable/4chan_x.user.js
// @downloadURL  https://github.com/MayhemYDG/4chan-x/raw/stable/4chan_x.user.js
// @icon         http://mayhemydg.github.com/4chan-x/favicon.gif
// ==/UserScript==

/* LICENSE
 *
 * Copyright (c) 2009-2011 James Campos <james.r.campos@gmail.com>
 * Copyright (c) 2012 Nicolas Stepien <stepien.nicolas@gmail.com>
 * http://mayhemydg.github.com/4chan-x/
 * 4chan X 3.0.0
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * HACKING
 *
 * 4chan X is written in CoffeeScript[1], and developed on GitHub[2].
 *
 * [1]: http://coffeescript.org/
 * [2]: https://github.com/MayhemYDG/4chan-x
 *
 * CONTRIBUTORS
 *
 * noface - unique ID fixes
 * desuwa - Firefox filename upload fix
 * seaweed - bottom padding for image hover
 * e000 - cooldown sanity check
 * ahodesuka - scroll back when unexpanding images, file info formatting
 * Shou- - pentadactyl fixes
 * ferongr - new favicons
 * xat- - new favicons
 * Zixaphir - fix qr textarea - captcha-image gap
 * Ongpot - sfw favicon
 * thisisanon - nsfw + 404 favicons
 * Anonymous - empty favicon
 * Seiba - chrome quick reply focusing
 * herpaderpderp - recaptcha fixes
 * WakiMiko - recaptcha tab order http://userscripts.org/scripts/show/82657
 * btmcsweeney - allow users to specify text for sauce links
 *
 * All the people who've taken the time to write bug reports.
 *
 * Thank you.
 */

(function() {
  var $, $$, Conf, Config, UI, d, g, _base;

  Config = {
    main: {
      Enhancing: {
        '404 Redirect': [true, 'Redirect dead threads and images'],
        'Keybinds': [true, 'Binds actions to keys'],
        'Time Formatting': [true, 'Arbitrarily formatted timestamps, using your local time'],
        'File Info Formatting': [true, 'Reformats the file information'],
        'Comment Expansion': [true, 'Expand too long comments'],
        'Thread Expansion': [true, 'View all replies'],
        'Index Navigation': [true, 'Navigate to previous / next thread'],
        'Reply Navigation': [false, 'Navigate to top / bottom of thread'],
        'Check for Updates': [true, 'Check for updated versions of 4chan X']
      },
      Filtering: {
        'Anonymize': [false, 'Make everybody anonymous'],
        'Filter': [true, 'Self-moderation placebo'],
        'Recursive Filtering': [true, 'Filter replies of filtered posts, recursively'],
        'Reply Hiding': [true, 'Hide single replies'],
        'Thread Hiding': [true, 'Hide entire threads'],
        'Show Stubs': [true, 'Of hidden threads / replies']
      },
      Imaging: {
        'Image Auto-Gif': [false, 'Animate gif thumbnails'],
        'Image Expansion': [true, 'Expand images'],
        'Image Hover': [false, 'Show full image on mouseover'],
        'Sauce': [true, 'Add sauce to images'],
        'Reveal Spoilers': [false, 'Replace spoiler thumbnails by the original thumbnail'],
        'Expand From Current': [false, 'Expand images from current position to thread end.']
      },
      Menu: {
        'Menu': [true, 'Add a drop-down menu in posts.'],
        'Report Link': [true, 'Add a report link to the menu.'],
        'Delete Link': [true, 'Add post and image deletion links to the menu.'],
        'Download Link': [true, 'Add a download with original filename link to the menu. Chrome-only currently.'],
        'Archive Link': [true, 'Add an archive link to the menu.']
      },
      Monitoring: {
        'Thread Updater': [true, 'Update threads. Has more options in its own dialog.'],
        'Unread Count': [true, 'Show unread post count in tab title'],
        'Unread Favicon': [true, 'Show a different favicon when there are unread posts'],
        'Post in Title': [true, 'Show the op\'s post in the tab title'],
        'Thread Stats': [true, 'Display reply and image count'],
        'Thread Watcher': [true, 'Bookmark threads'],
        'Auto Watch': [true, 'Automatically watch threads that you start'],
        'Auto Watch Reply': [false, 'Automatically watch threads that you reply to']
      },
      Posting: {
        'Quick Reply': [true, 'Reply without leaving the page.'],
        'Cooldown': [true, 'Prevent "flood detected" errors.'],
        'Persistent QR': [false, 'The Quick reply won\'t disappear after posting.'],
        'Auto Hide QR': [true, 'Automatically hide the quick reply when posting.'],
        'Open Reply in New Tab': [false, 'Open replies in a new tab that are made from the main board.'],
        'Remember QR size': [false, 'Remember the size of the Quick reply (Firefox only).'],
        'Remember Subject': [false, 'Remember the subject field, instead of resetting after posting.'],
        'Remember Spoiler': [false, 'Remember the spoiler state, instead of resetting after posting.'],
        'Hide Original Post Form': [true, 'Replace the normal post form with a shortcut to open the QR.']
      },
      Quoting: {
        'Quote Backlinks': [true, 'Add quote backlinks'],
        'OP Backlinks': [false, 'Add backlinks to the OP'],
        'Quote Highlighting': [true, 'Highlight the previewed post'],
        'Quote Inline': [true, 'Show quoted post inline on quote click'],
        'Quote Preview': [true, 'Show quote content on hover'],
        'Resurrect Quotes': [true, 'Linkify dead quotes to archives'],
        'Indicate OP quote': [true, 'Add \'(OP)\' to OP quotes'],
        'Indicate Cross-thread Quotes': [true, 'Add \'(Cross-thread)\' to cross-threads quotes'],
        'Forward Hiding': [true, 'Hide original posts of inlined backlinks']
      }
    },
    filter: {
      name: ['# Filter any namefags:', '#/^(?!Anonymous$)/'].join('\n'),
      uniqueid: ['# Filter a specific ID:', '#/Txhvk1Tl/'].join('\n'),
      tripcode: ['# Filter any tripfags', '#/^!/'].join('\n'),
      mod: ['# Set a custom class for mods:', '#/Mod$/;highlight:mod;op:yes', '# Set a custom class for moot:', '#/Admin$/;highlight:moot;op:yes'].join('\n'),
      email: ['# Filter any e-mails that are not `sage` on /a/ and /jp/:', '#/^(?!sage$)/;boards:a,jp'].join('\n'),
      subject: ['# Filter Generals on /v/:', '#/general/i;boards:v;op:only'].join('\n'),
      comment: ['# Filter Stallman copypasta on /g/:', '#/what you\'re refer+ing to as linux/i;boards:g'].join('\n'),
      country: [''].join('\n'),
      filename: [''].join('\n'),
      dimensions: ['# Highlight potential wallpapers:', '#/1920x1080/;op:yes;highlight;top:no;boards:w,wg'].join('\n'),
      filesize: [''].join('\n'),
      md5: [''].join('\n')
    },
    sauces: ['http://iqdb.org/?url=$1', 'http://www.google.com/searchbyimage?image_url=$1', '#http://tineye.com/search?url=$1', '#http://saucenao.com/search.php?db=999&url=$1', '#http://3d.iqdb.org/?url=$1', '#http://regex.info/exif.cgi?imgurl=$2', '# uploaders:', '#http://imgur.com/upload?url=$2;text:Upload to imgur', '#http://omploader.org/upload?url1=$2;text:Upload to omploader', '# "View Same" in archives:', '#http://archive.foolz.us/search/image/$3/;text:View same on foolz', '#http://archive.foolz.us/$4/search/image/$3/;text:View same on foolz /$4/', '#https://archive.installgentoo.net/$4/image/$3;text:View same on installgentoo /$4/'].join('\n'),
    time: '%m/%d/%y(%a)%H:%M',
    backlink: '>>%id',
    fileInfo: '%l (%p%s, %r)',
    favicon: 'ferongr',
    hotkeys: {
      openQR: ['i', 'Open QR with post number inserted'],
      openEmptyQR: ['I', 'Open QR without post number inserted'],
      openOptions: ['ctrl+o', 'Open Options'],
      close: ['Esc', 'Close Options or QR'],
      spoiler: ['ctrl+s', 'Quick spoiler tags'],
      code: ['alt+c', 'Quick code tags'],
      submit: ['alt+s', 'Submit post'],
      watch: ['w', 'Watch thread'],
      update: ['u', 'Update now'],
      unreadCountTo0: ['z', 'Reset unread status'],
      expandImage: ['m', 'Expand selected image'],
      expandAllImages: ['M', 'Expand all images'],
      zero: ['0', 'Jump to page 0'],
      nextPage: ['L', 'Jump to the next page'],
      previousPage: ['H', 'Jump to the previous page'],
      nextThread: ['n', 'See next thread'],
      previousThread: ['p', 'See previous thread'],
      expandThread: ['e', 'Expand thread'],
      openThreadTab: ['o', 'Open thread in current tab'],
      openThread: ['O', 'Open thread in new tab'],
      nextReply: ['J', 'Select next reply'],
      previousReply: ['K', 'Select previous reply'],
      hide: ['x', 'Hide thread']
    },
    updater: {
      checkbox: {
        'Scrolling': [false, 'Scroll updated posts into view. Only enabled at bottom of page.'],
        'Scroll BG': [false, 'Scroll background tabs'],
        'Verbose': [true, 'Show countdown timer, new post count'],
        'Auto Update': [true, 'Automatically fetch new posts']
      },
      'Interval': 30
    }
  };

  if (!/^(boards|images|sys)\.4chan\.org$/.test(location.hostname)) {
    return;
  }

  Conf = {};

  d = document;

  g = {};

  UI = {
    dialog: function(id, position, html) {
      var el;
      el = d.createElement('div');
      el.className = 'reply dialog';
      el.innerHTML = html;
      el.id = id;
      el.style.cssText = localStorage.getItem("" + Main.namespace + id + ".position") || position;
      el.querySelector('.move').addEventListener('mousedown', UI.dragstart, false);
      return el;
    },
    dragstart: function(e) {
      var el, rect;
      e.preventDefault();
      UI.el = el = this.parentNode;
      d.addEventListener('mousemove', UI.drag, false);
      d.addEventListener('mouseup', UI.dragend, false);
      rect = el.getBoundingClientRect();
      UI.dx = e.clientX - rect.left;
      UI.dy = e.clientY - rect.top;
      UI.width = d.documentElement.clientWidth - rect.width;
      return UI.height = d.documentElement.clientHeight - rect.height;
    },
    drag: function(e) {
      var left, style, top;
      left = e.clientX - UI.dx;
      top = e.clientY - UI.dy;
      left = left < 10 ? '0px' : UI.width - left < 10 ? null : left + 'px';
      top = top < 10 ? '0px' : UI.height - top < 10 ? null : top + 'px';
      style = UI.el.style;
      style.left = left;
      style.top = top;
      style.right = left === null ? '0px' : null;
      return style.bottom = top === null ? '0px' : null;
    },
    dragend: function() {
      localStorage.setItem("" + Main.namespace + UI.el.id + ".position", UI.el.style.cssText);
      d.removeEventListener('mousemove', UI.drag, false);
      d.removeEventListener('mouseup', UI.dragend, false);
      return delete UI.el;
    },
    hover: function(e) {
      var clientHeight, clientWidth, clientX, clientY, height, style, top, _ref;
      clientX = e.clientX, clientY = e.clientY;
      style = UI.el.style;
      _ref = d.documentElement, clientHeight = _ref.clientHeight, clientWidth = _ref.clientWidth;
      height = UI.el.offsetHeight;
      top = clientY - 120;
      style.top = clientHeight <= height || top <= 0 ? '0px' : top + height >= clientHeight ? clientHeight - height + 'px' : top + 'px';
      if (clientX <= clientWidth - 400) {
        style.left = clientX + 45 + 'px';
        return style.right = null;
      } else {
        style.left = null;
        return style.right = clientWidth - clientX + 45 + 'px';
      }
    },
    hoverend: function() {
      $.rm(UI.el);
      return delete UI.el;
    }
  };

  /*
  loosely follows the jquery api:
  http://api.jquery.com/
  not chainable
  */


  $ = function(selector, root) {
    if (root == null) {
      root = d.body;
    }
    return root.querySelector(selector);
  };

  $.extend = function(object, properties) {
    var key, val;
    for (key in properties) {
      val = properties[key];
      object[key] = val;
    }
  };

  $.extend($, {
    SECOND: 1000,
    MINUTE: 1000 * 60,
    HOUR: 1000 * 60 * 60,
    DAY: 1000 * 60 * 60 * 24,
    log: typeof (_base = console.log).bind === "function" ? _base.bind(console) : void 0,
    engine: /WebKit|Presto|Gecko/.exec(navigator.userAgent)[0].toLowerCase(),
    ready: function(fc) {
      var cb;
      if (/interactive|complete/.test(d.readyState)) {
        return setTimeout(fc);
      }
      cb = function() {
        $.off(d, 'DOMContentLoaded', cb);
        return fc();
      };
      return $.on(d, 'DOMContentLoaded', cb);
    },
    sync: function(key, cb) {
      return $.on(window, 'storage', function(e) {
        if (e.key === ("" + Main.namespace + key)) {
          return cb(JSON.parse(e.newValue));
        }
      });
    },
    id: function(id) {
      return d.getElementById(id);
    },
    formData: function(arg) {
      var fd, key, val;
      if (arg instanceof HTMLFormElement) {
        fd = new FormData(arg);
      } else {
        fd = new FormData();
        for (key in arg) {
          val = arg[key];
          if (val) {
            fd.append(key, val);
          }
        }
      }
      return fd;
    },
    ajax: function(url, callbacks, opts) {
      var form, headers, key, r, type, upCallbacks, val;
      if (opts == null) {
        opts = {};
      }
      type = opts.type, headers = opts.headers, upCallbacks = opts.upCallbacks, form = opts.form;
      r = new XMLHttpRequest();
      type || (type = form && 'post' || 'get');
      r.open(type, url, true);
      for (key in headers) {
        val = headers[key];
        r.setRequestHeader(key, val);
      }
      $.extend(r, callbacks);
      $.extend(r.upload, upCallbacks);
      r.send(form);
      return r;
    },
    cache: function(url, cb) {
      var req;
      if (req = $.cache.requests[url]) {
        if (req.readyState === 4) {
          return cb.call(req);
        } else {
          return req.callbacks.push(cb);
        }
      } else {
        req = $.ajax(url, {
          onload: function() {
            var _i, _len, _ref, _results;
            _ref = this.callbacks;
            _results = [];
            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
              cb = _ref[_i];
              _results.push(cb.call(this));
            }
            return _results;
          },
          onabort: function() {
            return delete $.cache.requests[url];
          },
          onerror: function() {
            return delete $.cache.requests[url];
          }
        });
        req.callbacks = [cb];
        return $.cache.requests[url] = req;
      }
    },
    cb: {
      checked: function() {
        $.set(this.name, this.checked);
        return Conf[this.name] = this.checked;
      },
      value: function() {
        $.set(this.name, this.value.trim());
        return Conf[this.name] = this.value;
      }
    },
    addStyle: function(css) {
      var style;
      style = $.el('style', {
        textContent: css
      });
      $.add(d.head, style);
      return style;
    },
    x: function(path, root) {
      if (root == null) {
        root = d.body;
      }
      return d.evaluate(path, root, null, 8, null).singleNodeValue;
    },
    addClass: function(el, className) {
      return el.classList.add(className);
    },
    rmClass: function(el, className) {
      return el.classList.remove(className);
    },
    rm: function(el) {
      return el.parentNode.removeChild(el);
    },
    tn: function(s) {
      return d.createTextNode(s);
    },
    nodes: function(nodes) {
      var frag, node, _i, _len;
      if (!(nodes instanceof Array)) {
        return nodes;
      }
      frag = d.createDocumentFragment();
      for (_i = 0, _len = nodes.length; _i < _len; _i++) {
        node = nodes[_i];
        frag.appendChild(node);
      }
      return frag;
    },
    add: function(parent, children) {
      return parent.appendChild($.nodes(children));
    },
    prepend: function(parent, children) {
      return parent.insertBefore($.nodes(children), parent.firstChild);
    },
    after: function(root, el) {
      return root.parentNode.insertBefore($.nodes(el), root.nextSibling);
    },
    before: function(root, el) {
      return root.parentNode.insertBefore($.nodes(el), root);
    },
    replace: function(root, el) {
      return root.parentNode.replaceChild($.nodes(el), root);
    },
    el: function(tag, properties) {
      var el;
      el = d.createElement(tag);
      if (properties) {
        $.extend(el, properties);
      }
      return el;
    },
    on: function(el, events, handler) {
      var event, _i, _len, _ref;
      _ref = events.split(' ');
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        event = _ref[_i];
        el.addEventListener(event, handler, false);
      }
    },
    off: function(el, events, handler) {
      var event, _i, _len, _ref;
      _ref = events.split(' ');
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        event = _ref[_i];
        el.removeEventListener(event, handler, false);
      }
    },
    open: function(url) {
      return (GM_openInTab || window.open)(location.protocol + url, '_blank');
    },
    event: function(el, e) {
      return el.dispatchEvent(e);
    },
    globalEval: function(code) {
      var script;
      script = $.el('script', {
        textContent: code
      });
      $.add(d.head, script);
      return $.rm(script);
    },
    bytesToString: function(size) {
      var unit;
      unit = 0;
      while (size >= 1024) {
        size /= 1024;
        unit++;
      }
      size = unit > 1 ? Math.round(size * 100) / 100 : Math.round(size);
      return "" + size + " " + ['B', 'KB', 'MB', 'GB'][unit];
    }
  });

  $.cache.requests = {};

  $.extend($, typeof GM_deleteValue !== "undefined" && GM_deleteValue !== null ? {
    "delete": function(name) {
      name = Main.namespace + name;
      return GM_deleteValue(name);
    },
    get: function(name, defaultValue) {
      var value;
      name = Main.namespace + name;
      if (value = GM_getValue(name)) {
        return JSON.parse(value);
      } else {
        return defaultValue;
      }
    },
    set: function(name, value) {
      name = Main.namespace + name;
      localStorage.setItem(name, JSON.stringify(value));
      return GM_setValue(name, JSON.stringify(value));
    }
  } : {
    "delete": function(name) {
      return localStorage.removeItem(Main.namespace + name);
    },
    get: function(name, defaultValue) {
      var value;
      if (value = localStorage.getItem(Main.namespace + name)) {
        return JSON.parse(value);
      } else {
        return defaultValue;
      }
    },
    set: function(name, value) {
      return localStorage.setItem(Main.namespace + name, JSON.stringify(value));
    }
  });

  $$ = function(selector, root) {
    if (root == null) {
      root = d.body;
    }
    return Array.prototype.slice.call(root.querySelectorAll(selector));
  };

}).call(this);