Merge pull request #1817 from hypothesis/update-annotator

Update PDF plugin

h/static/scripts/vendor/annotator.pdf.js

 // Generated by CoffeeScript 1.6.3
 /*
-** Annotator 1.2.6-dev-bee2b25
+** Annotator 1.2.6-dev-4627466
 ** https://github.com/okfn/annotator/
 **
 ** Copyright 2012 Aron Carroll, Rufus Pollock, and Nick Stenning.
 ** Dual licensed under the MIT and GPLv3 licenses.
 ** https://github.com/okfn/annotator/blob/master/LICENSE
 **
-** Built at: 2014-12-11 02:43:05Z
+** Built at: 2014-12-18 11:08:27Z
 */
 
 
@@ -18,11 +18,31 @@
 
 // Generated by CoffeeScript 1.6.3
 (function() {
-  var _ref,
+  var compareVersions, detectedPDFjsVersion, _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; };
 
+  detectedPDFjsVersion = typeof PDFJS !== "undefined" && PDFJS !== null ? PDFJS.version.split(".").map(parseFloat) : void 0;
+
+  compareVersions = function(v1, v2) {
+    var i, _i, _ref;
+    if (!(Array.isArray(v1) && Array.isArray(v2))) {
+      throw new Error("Expecting arrays, in the form of [1, 0, 123]");
+    }
+    if (v1.length !== v2.length) {
+      throw new Error("Can't compare versions in different formats.");
+    }
+    for (i = _i = 0, _ref = v1.length; 0 <= _ref ? _i < _ref : _i > _ref; i = 0 <= _ref ? ++_i : --_i) {
+      if (v1[i] < v2[i]) {
+        return -1;
+      } else if (v1[i] > v2[i]) {
+        return 1;
+      }
+    }
+    return 0;
+  };
+
   window.PDFTextMapper = (function(_super) {
     __extends(PDFTextMapper, _super);
 
@@ -88,6 +108,9 @@
         };
       }
       this.setEvents();
+      if (compareVersions(detectedPDFjsVersion, [1, 0, 822]) >= 0) {
+        this._viewer.container.className += " has-transparent-text-layer";
+      }
     }
 
     PDFTextMapper.prototype.setEvents = function() {