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baivong / Worldcosplay download

// ==UserScript==
// @name            Worldcosplay download
// @name:vi         Worldcosplay download
// @namespace       http://devs.forumvi.com/
// @description     Download photo(s) on WorldCosplay.
// @description:vi  Tải ảnh từ WorldCosplay.
// @version         3.1.6
// @icon            http://i.imgur.com/gJLjIzb.png
// @author          Zzbaivong
// @oujs:author     baivong
// @license         MIT; https://baivong.mit-license.org/license.txt
// @match           https://worldcosplay.net/*/photos*
// @match           https://worldcosplay.net/*/favorites*
// @match           https://worldcosplay.net/photo/*
// @match           https://worldcosplay.net/tag/*
// @match           https://worldcosplay.net/search/photos?*
// @match           https://worldcosplay.net/collections/*
// @match           https://worldcosplay.net/character/*
// @match           https://worldcosplay.net/title/*
// @match           https://worldcosplay.net/photos
// @match           https://worldcosplay.net/popular
// @match           https://worldcosplay.net/ranking/good*
// @match           https://worldcosplay.net/member/*/characters/*
// @match           https://worldcosplay.net/*/photo/*
// @match           https://worldcosplay.net/*/tag/*
// @match           https://worldcosplay.net/*/search/photos?*
// @match           https://worldcosplay.net/*/collections/*
// @match           https://worldcosplay.net/*/character/*
// @match           https://worldcosplay.net/*/title/*
// @match           https://worldcosplay.net/*/photos
// @match           https://worldcosplay.net/*/popular
// @match           https://worldcosplay.net/*/ranking/good*
// @match           https://worldcosplay.net/*/member/*/characters/*
// @require         https://code.jquery.com/jquery-3.3.1.slim.min.js
// @require         https://unpkg.com/file-saver@2.0.1/dist/FileSaver.min.js
// @require         https://greasyfork.org/scripts/6250-waitforkeyelements/code/waitForKeyElements.js?version=23756
// @require         https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?v=a834d46
// @noframes
// @connect         self
// @connect         sakurastorage.jp
// @supportURL      https://github.com/lelinhtinh/Userscript/issues
// @run-at          document-idle
// @grant           GM.xmlHttpRequest
// @grant           GM_xmlhttpRequest
// @grant           GM.openInTab
// @grant           GM_openInTab
// ==/UserScript==

/* global waitForKeyElements */
(function($, window) {
  'use strict';

  window.URL = window.URL || window.webkitURL;

  function downloadPhoto(el, url) {
    var photoName = url.replace(/.*\//g, ''),
      $icon = $(el).find('.fa');

    $icon.addClass('fa-spinner fa-spin');

    GM.xmlHttpRequest({
      method: 'GET',
      url: url,
      responseType: 'blob',
      onload: function(response) {
        var blob = response.response;

        $(el)
          .attr({
            href: window.URL.createObjectURL(blob),
            download: photoName,
          })
          .off('click');
        $icon.removeClass('fa-spinner fa-spin').addClass('fa-download');

        saveAs(blob, photoName);
      },
      onerror: function(err) {
        $icon.removeClass('fa-spinner fa-spin').addClass('fa-times');
        console.error(err);
      },
    });
  }

  function getImage3000(url) {
    var hasMax = url.match(/\/max-(\d+)\//);
    if (hasMax) return url.replace(/-[\dx]+\./, '-' + hasMax[1] + '.');

    return url.replace(/-[\dx]+\./, '-3000.');
  }

  if (/^(\/[a-z-]+)?\/photo\/\d+$/.test(location.pathname)) {
    var $btn = $('<a>', {
        href: '#download',
        class: 'download-this-photo',
        title: 'Click to download this image\nRight Click to open in new tab',
        html:
          '<div class="side_buttons" style="right: 250px;"><div class="like-this-photo button fave fa fa-download"><div class="effect-ripple"></div></div></div>',
      }),
      img = $('#photoContainer')
        .find('.img')
        .attr('src');
    $btn
      .on('click', function(e) {
        e.preventDefault();
        e.stopPropagation();
        downloadPhoto(this, getImage3000(img));
      })
      .on('contextmenu', function(e) {
        e.preventDefault();
        e.stopPropagation();
        GM.openInTab(getImage3000(img));
      });
    $btn.insertAfter('.side_buttons');
  } else {
    var addBtn = function() {
      $('.preview')
        .not('.added-download-btn')
        .each(function() {
          var $this = $(this),
            $btn = $('<a>', {
              href: '#download',
              class: 'download-this-photo',
              title: 'Click to download this image\nRight Click to open in new tab',
              html:
                '<div class="item likes" style="top: 50px;"><span class="like-this-photo"><i class="fa fa-download"></i><span class="effect-ripple"></span></span></div>',
            });
          $btn
            .on('click', function(e) {
              e.preventDefault();
              e.stopPropagation();
              downloadPhoto(
                this,
                getImage3000(
                  $this
                    .find('.photo_img')
                    .css('backgroundImage')
                    .slice(5, -2)
                )
              );
            })
            .on('contextmenu', function(e) {
              e.preventDefault();
              e.stopPropagation();
              GM.openInTab(
                getImage3000(
                  $this
                    .find('.photo_img')
                    .css('backgroundImage')
                    .slice(5, -2)
                )
              );
            });
          $this.find('.options').append($btn);
          $this.addClass('added-download-btn');
        });
    };
    addBtn();

    waitForKeyElements('.preview', addBtn);
  }
})(jQuery, window);