epub.js/libs/annotator/lib/plugin/document.js

// Generated by CoffeeScript 1.6.3
var _ref,
  __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

Annotator.Plugin.Document = (function(_super) {
  var $;

  __extends(Document, _super);

  function Document() {
    this._getFavicon = __bind(this._getFavicon, this);
    this._getLinks = __bind(this._getLinks, this);
    this._getTitle = __bind(this._getTitle, this);
    this._getMetaTags = __bind(this._getMetaTags, this);
    this._getEprints = __bind(this._getEprints, this);
    this._getPrism = __bind(this._getPrism, this);
    this._getDublinCore = __bind(this._getDublinCore, this);
    this._getTwitter = __bind(this._getTwitter, this);
    this._getFacebook = __bind(this._getFacebook, this);
    this._getHighwire = __bind(this._getHighwire, this);
    this.getDocumentMetadata = __bind(this.getDocumentMetadata, this);
    this.beforeAnnotationCreated = __bind(this.beforeAnnotationCreated, this);
    this.uris = __bind(this.uris, this);
    this.uri = __bind(this.uri, this);
    _ref = Document.__super__.constructor.apply(this, arguments);
    return _ref;
  }

  $ = Annotator.$;

  Document.prototype.events = {
    'beforeAnnotationCreated': 'beforeAnnotationCreated'
  };

  Document.prototype.pluginInit = function() {
    return this.getDocumentMetadata();
  };

  Document.prototype.uri = function() {
    var link, uri, _i, _len, _ref1;
    uri = decodeURIComponent(document.location.href);
    _ref1 = this.metadata;
    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
      link = _ref1[_i];
      if (link.rel === "canonical") {
        uri = link.href;
      }
    }
    return uri;
  };

  Document.prototype.uris = function() {
    var href, link, uniqueUrls, _i, _len, _ref1;
    uniqueUrls = {};
    _ref1 = this.metadata.link;
    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
      link = _ref1[_i];
      if (link.href) {
        uniqueUrls[link.href] = true;
      }
    }
    return (function() {
      var _results;
      _results = [];
      for (href in uniqueUrls) {
        _results.push(href);
      }
      return _results;
    })();
  };

  Document.prototype.beforeAnnotationCreated = function(annotation) {
    return annotation.document = this.metadata;
  };

  Document.prototype.getDocumentMetadata = function() {
    this.metadata = {};
    this._getHighwire();
    this._getDublinCore();
    this._getFacebook();
    this._getEprints();
    this._getPrism();
    this._getTwitter();
    this._getFavicon();
    this._getTitle();
    this._getLinks();
    return this.metadata;
  };

  Document.prototype._getHighwire = function() {
    return this.metadata.highwire = this._getMetaTags("citation", "name", "_");
  };

  Document.prototype._getFacebook = function() {
    return this.metadata.facebook = this._getMetaTags("og", "property", ":");
  };

  Document.prototype._getTwitter = function() {
    return this.metadata.twitter = this._getMetaTags("twitter", "name", ":");
  };

  Document.prototype._getDublinCore = function() {
    return this.metadata.dc = this._getMetaTags("dc", "name", ".");
  };

  Document.prototype._getPrism = function() {
    return this.metadata.prism = this._getMetaTags("prism", "name", ".");
  };

  Document.prototype._getEprints = function() {
    return this.metadata.eprints = this._getMetaTags("eprints", "name", ".");
  };

  Document.prototype._getMetaTags = function(prefix, attribute, delimiter) {
    var content, match, meta, n, name, tags, _i, _len, _ref1;
    tags = {};
    _ref1 = $("meta");
    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
      meta = _ref1[_i];
      name = $(meta).attr(attribute);
      content = $(meta).prop("content");
      if (name) {
        match = name.match(RegExp("^" + prefix + delimiter + "(.+)$", "i"));
        if (match) {
          n = match[1];
          if (tags[n]) {
            tags[n].push(content);
          } else {
            tags[n] = [content];
          }
        }
      }
    }
    return tags;
  };

  Document.prototype._getTitle = function() {
    if (this.metadata.highwire.title) {
      return this.metadata.title = this.metadata.highwire.title[0];
    } else if (this.metadata.eprints.title) {
      return this.metadata.title = this.metadata.eprints.title;
    } else if (this.metadata.prism.title) {
      return this.metadata.title = this.metadata.prism.title;
    } else if (this.metadata.facebook.title) {
      return this.metadata.title = this.metadata.facebook.title;
    } else if (this.metadata.twitter.title) {
      return this.metadata.title = this.metadata.twitter.title;
    } else if (this.metadata.dc.title) {
      return this.metadata.title = this.metadata.dc.title;
    } else {
      return this.metadata.title = $("head title").text();
    }
  };

  Document.prototype._getLinks = function() {
    var doi, href, id, l, link, name, rel, type, url, values, _i, _j, _k, _len, _len1, _len2, _ref1, _ref2, _ref3, _results;
    this.metadata.link = [
      {
        href: document.location.href
      }
    ];
    _ref1 = $("link");
    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
      link = _ref1[_i];
      l = $(link);
      href = this._absoluteUrl(l.prop('href'));
      rel = l.prop('rel');
      type = l.prop('type');
      if ((rel === "alternate" || rel === "canonical" || rel === "bookmark") && (type !== "application/rss+xml" && type !== "application/atom+xml")) {
        this.metadata.link.push({
          href: href,
          rel: rel,
          type: type
        });
      }
    }
    _ref2 = this.metadata.highwire;
    for (name in _ref2) {
      values = _ref2[name];
      if (name === "pdf_url") {
        for (_j = 0, _len1 = values.length; _j < _len1; _j++) {
          url = values[_j];
          this.metadata.link.push({
            href: this._absoluteUrl(url),
            type: "application/pdf"
          });
        }
      }
      if (name === "doi") {
        for (_k = 0, _len2 = values.length; _k < _len2; _k++) {
          doi = values[_k];
          if (doi.slice(0, 4) !== "doi:") {
            doi = "doi:" + doi;
          }
          this.metadata.link.push({
            href: doi
          });
        }
      }
    }
    _ref3 = this.metadata.dc;
    _results = [];
    for (name in _ref3) {
      values = _ref3[name];
      if (name === "identifier") {
        _results.push((function() {
          var _l, _len3, _results1;
          _results1 = [];
          for (_l = 0, _len3 = values.length; _l < _len3; _l++) {
            id = values[_l];
            if (id.slice(0, 4) === "doi:") {
              _results1.push(this.metadata.link.push({
                href: id
              }));
            } else {
              _results1.push(void 0);
            }
          }
          return _results1;
        }).call(this));
      } else {
        _results.push(void 0);
      }
    }
    return _results;
  };

  Document.prototype._getFavicon = function() {
    var link, _i, _len, _ref1, _ref2, _results;
    _ref1 = $("link");
    _results = [];
    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
      link = _ref1[_i];
      if ((_ref2 = $(link).prop("rel")) === "shortcut icon" || _ref2 === "icon") {
        _results.push(this.metadata["favicon"] = this._absoluteUrl(link.href));
      } else {
        _results.push(void 0);
      }
    }
    return _results;
  };

  Document.prototype._absoluteUrl = function(url) {
    var img;
    img = $("<img src='" + url + "'>");
    url = img.prop('src');
    img.prop('src', null);
    return url;
  };

  return Document;

})(Annotator.Plugin);

/*
//@ sourceMappingURL=document.map
*/