ldsorg/browser.js

A JavaScript library for accessing LDS.org with Node.js or a browser

/*jshint -W054 */
;(function (exports) {
  'use strict';

  var LdsOrgBrowser = { init: function (LdsDir, ldsDirP) {

    var $ = exports.jQuery || require('jquery')(window)
      ;

    ldsDirP._signin = function (cb, auth) {
      // TODO POST form to iframe
      var //me = this
          signinWin
        //, url = "https://signin.lds.org/SSOSignIn/"
        , url = 'https://www.lds.org/directory/'
        , name = "WardMenuLdsOrgSignin"
        , opts = 'height=600,width=500,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no'
        ;

      function closeSigninWin() {
        if (!signinWin) {
          return;
        }

        try {
          signinWin.close();
        } catch(e) {
          // do nothing
          console.warn('Tried to close a closed window (the signin window, to be precise).');
        }
      }

      function openAuthWin(ev) {
        ev.preventDefault();
        ev.stopPropagation();

        closeSigninWin();
        signinWin = window.open(url, name, opts, false);
        setTimeout(getLoginStatus, 4000);
      }

      function getLoginStatus() {
        var $events = $('body')
          ;

        $.ajax(
          {
            //url: me._ludrsUserId
            url: 'https://www.lds.org/directory/'
          , success: function () {
              $('.js-login').hide();
              $events.off('click', '.js-signin-link', openAuthWin);
              closeSigninWin();
              console.log('finally authenticated');
              cb(null);
            }
          , error: function () {
              console.log('waiting for authentication...');
              if (!signinWin) {
                $('.js-login').show();
                $events.on('click', '.js-signin-link', openAuthWin);
              } else {
                setTimeout(getLoginStatus, 1000);
              }
            }
          }
        );
      }

      getLoginStatus();
    };
    ldsDirP._signout = function (cb) {
      $.get('https://www.lds.org/signinout/?lang=eng&signmeout').then(cb);
    };

    ldsDirP._makeRequest = function (cb, url) {
      $.ajax({
        url: url
      , dataType: "json"
      //, data: null
      //, success: success
      })
        .done(function (data) { cb(null, data); })
        .fail(function (jqXHR, textStatus, errorThrown) { cb(errorThrown, null); })
        ;
    };

    ldsDirP._getImageData = function (next, imgSrc) {
      if (!imgSrc) {
        next(new Error('no imgSrc'));
        return;
      }

      var img
        ;

      img = document.createElement('img');
      img.onload = function () {
        var c = document.createElement('canvas')
          , c2d = c.getContext('2d')
          ;

        c.height = this.height;
        c.width = this.width;
        c2d.drawImage(this, 0,0);

        next(null, c.toDataURL('image/jpeg'));
      };

      img.onerror = function(){
        next(new Error("Didn't load image"));
      };

      img.src = imgSrc;
    };
  }};

  exports.LdsOrgBrowser = LdsOrgBrowser.LdsOrgBrowser = LdsOrgBrowser;
}('undefined' !== typeof exports && exports || new Function('return this')()));