text: /**
   * @licstart The following is the entire license notice for the
   * Javascript code in this page
   *
   * Copyright 2018 Mozilla Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * @licend The above is the entire license notice for the
   * Javascript code in this page
   */
  
  (function webpackUniversalModuleDefinition(root, factory) {
  	if(typeof exports === 'object' && typeof module === 'object')
  		module.exports = factory();
  	else if(typeof define === 'function' && define.amd)
  		define("pdfjs-dist/web/pdf_viewer", [], factory);
  	else if(typeof exports === 'object')
  		exports["pdfjs-dist/web/pdf_viewer"] = factory();
  	else
  		root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsViewer = factory();
  })(this, function() {
  return /******/ (function(modules) { // webpackBootstrap
  /******/ 	// The module cache
  /******/ 	var installedModules = {};
  /******/
  /******/ 	// The require function
  /******/ 	function __w_pdfjs_require__(moduleId) {
  /******/
  /******/ 		// Check if module is in cache
  /******/ 		if(installedModules[moduleId]) {
  /******/ 			return installedModules[moduleId].exports;
  /******/ 		}
  /******/ 		// Create a new module (and put it into the cache)
  /******/ 		var module = installedModules[moduleId] = {
  /******/ 			i: moduleId,
  /******/ 			l: false,
  /******/ 			exports: {}
  /******/ 		};
  /******/
  /******/ 		// Execute the module function
  /******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
  /******/
  /******/ 		// Flag the module as loaded
  /******/ 		module.l = true;
  /******/
  /******/ 		// Return the exports of the module
  /******/ 		return module.exports;
  /******/ 	}
  /******/
  /******/
  /******/ 	// expose the modules object (__webpack_modules__)
  /******/ 	__w_pdfjs_require__.m = modules;
  /******/
  /******/ 	// expose the module cache
  /******/ 	__w_pdfjs_require__.c = installedModules;
  /******/
  /******/ 	// define getter function for harmony exports
  /******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
  /******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
  /******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
  /******/ 		}
  /******/ 	};
  /******/
  /******/ 	// define __esModule on exports
  /******/ 	__w_pdfjs_require__.r = function(exports) {
  /******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
  /******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
  /******/ 		}
  /******/ 		Object.defineProperty(exports, '__esModule', { value: true });
  /******/ 	};
  /******/
  /******/ 	// create a fake namespace object
  /******/ 	// mode & 1: value is a module id, require it
  /******/ 	// mode & 2: merge all properties of value into the ns
  /******/ 	// mode & 4: return value when already ns object
  /******/ 	// mode & 8|1: behave like require
  /******/ 	__w_pdfjs_require__.t = function(value, mode) {
  /******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
  /******/ 		if(mode & 8) return value;
  /******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
  /******/ 		var ns = Object.create(null);
  /******/ 		__w_pdfjs_require__.r(ns);
  /******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
  /******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
  /******/ 		return ns;
  /******/ 	};
  /******/
  /******/ 	// getDefaultExport function for compatibility with non-harmony modules
  /******/ 	__w_pdfjs_require__.n = function(module) {
  /******/ 		var getter = module && module.__esModule ?
  /******/ 			function getDefault() { return module['default']; } :
  /******/ 			function getModuleExports() { return module; };
  /******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
  /******/ 		return getter;
  /******/ 	};
  /******/
  /******/ 	// Object.prototype.hasOwnProperty.call
  /******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
  /******/
  /******/ 	// __webpack_public_path__
  /******/ 	__w_pdfjs_require__.p = "";
  /******/
  /******/
  /******/ 	// Load entry module and return exports
  /******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
  /******/ })
  /************************************************************************/
  /******/ ([
  /* 0 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.NullL10n = exports.GenericL10n = exports.ProgressBar = exports.DownloadManager = exports.EventBus = exports.PDFFindController = exports.PDFHistory = exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = exports.DefaultTextLayerFactory = exports.TextLayerBuilder = exports.SimpleLinkService = exports.PDFLinkService = exports.PDFPageView = exports.PDFSinglePageViewer = exports.PDFViewer = undefined;
  
  var _annotation_layer_builder = __w_pdfjs_require__(1);
  
  var _text_layer_builder = __w_pdfjs_require__(10);
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _pdf_link_service = __w_pdfjs_require__(8);
  
  var _download_manager = __w_pdfjs_require__(11);
  
  var _genericl10n = __w_pdfjs_require__(12);
  
  var _pdf_find_controller = __w_pdfjs_require__(14);
  
  var _pdf_history = __w_pdfjs_require__(16);
  
  var _pdf_page_view = __w_pdfjs_require__(17);
  
  var _pdf_single_page_viewer = __w_pdfjs_require__(20);
  
  var _pdf_viewer = __w_pdfjs_require__(22);
  
  var pdfjsVersion = '2.0.943';
  var pdfjsBuild = 'dc98bf76';
  exports.PDFViewer = _pdf_viewer.PDFViewer;
  exports.PDFSinglePageViewer = _pdf_single_page_viewer.PDFSinglePageViewer;
  exports.PDFPageView = _pdf_page_view.PDFPageView;
  exports.PDFLinkService = _pdf_link_service.PDFLinkService;
  exports.SimpleLinkService = _pdf_link_service.SimpleLinkService;
  exports.TextLayerBuilder = _text_layer_builder.TextLayerBuilder;
  exports.DefaultTextLayerFactory = _text_layer_builder.DefaultTextLayerFactory;
  exports.AnnotationLayerBuilder = _annotation_layer_builder.AnnotationLayerBuilder;
  exports.DefaultAnnotationLayerFactory = _annotation_layer_builder.DefaultAnnotationLayerFactory;
  exports.PDFHistory = _pdf_history.PDFHistory;
  exports.PDFFindController = _pdf_find_controller.PDFFindController;
  exports.EventBus = _ui_utils.EventBus;
  exports.DownloadManager = _download_manager.DownloadManager;
  exports.ProgressBar = _ui_utils.ProgressBar;
  exports.GenericL10n = _genericl10n.GenericL10n;
  exports.NullL10n = _ui_utils.NullL10n;
  
  /***/ }),
  /* 1 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _pdf_link_service = __w_pdfjs_require__(8);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var AnnotationLayerBuilder = function () {
    function AnnotationLayerBuilder(_ref) {
      var pageDiv = _ref.pageDiv,
          pdfPage = _ref.pdfPage,
          linkService = _ref.linkService,
          downloadManager = _ref.downloadManager,
          _ref$imageResourcesPa = _ref.imageResourcesPath,
          imageResourcesPath = _ref$imageResourcesPa === undefined ? '' : _ref$imageResourcesPa,
          _ref$renderInteractiv = _ref.renderInteractiveForms,
          renderInteractiveForms = _ref$renderInteractiv === undefined ? false : _ref$renderInteractiv,
          _ref$l10n = _ref.l10n,
          l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;
  
      _classCallCheck(this, AnnotationLayerBuilder);
  
      this.pageDiv = pageDiv;
      this.pdfPage = pdfPage;
      this.linkService = linkService;
      this.downloadManager = downloadManager;
      this.imageResourcesPath = imageResourcesPath;
      this.renderInteractiveForms = renderInteractiveForms;
      this.l10n = l10n;
      this.div = null;
      this._cancelled = false;
    }
  
    _createClass(AnnotationLayerBuilder, [{
      key: 'render',
      value: function render(viewport) {
        var _this = this;
  
        var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'display';
  
        this.pdfPage.getAnnotations({ intent: intent }).then(function (annotations) {
          if (_this._cancelled) {
            return;
          }
          var parameters = {
            viewport: viewport.clone({ dontFlip: true }),
            div: _this.div,
            annotations: annotations,
            page: _this.pdfPage,
            imageResourcesPath: _this.imageResourcesPath,
            renderInteractiveForms: _this.renderInteractiveForms,
            linkService: _this.linkService,
            downloadManager: _this.downloadManager
          };
          if (_this.div) {
            _pdfjsLib.AnnotationLayer.update(parameters);
          } else {
            if (annotations.length === 0) {
              return;
            }
            _this.div = document.createElement('div');
            _this.div.className = 'annotationLayer';
            _this.pageDiv.appendChild(_this.div);
            parameters.div = _this.div;
            _pdfjsLib.AnnotationLayer.render(parameters);
            _this.l10n.translate(_this.div);
          }
        });
      }
    }, {
      key: 'cancel',
      value: function cancel() {
        this._cancelled = true;
      }
    }, {
      key: 'hide',
      value: function hide() {
        if (!this.div) {
          return;
        }
        this.div.setAttribute('hidden', 'true');
      }
    }]);
  
    return AnnotationLayerBuilder;
  }();
  
  var DefaultAnnotationLayerFactory = function () {
    function DefaultAnnotationLayerFactory() {
      _classCallCheck(this, DefaultAnnotationLayerFactory);
    }
  
    _createClass(DefaultAnnotationLayerFactory, [{
      key: 'createAnnotationLayerBuilder',
      value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
        var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
        var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
        var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;
  
        return new AnnotationLayerBuilder({
          pageDiv: pageDiv,
          pdfPage: pdfPage,
          imageResourcesPath: imageResourcesPath,
          renderInteractiveForms: renderInteractiveForms,
          linkService: new _pdf_link_service.SimpleLinkService(),
          l10n: l10n
        });
      }
    }]);
  
    return DefaultAnnotationLayerFactory;
  }();
  
  exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
  exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
  
  /***/ }),
  /* 2 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var pdfjsLib = void 0;
  if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
    pdfjsLib = window['pdfjs-dist/build/pdf'];
  } else {
    pdfjsLib = require('../build/pdf.js');
  }
  module.exports = pdfjsLib;
  
  /***/ }),
  /* 3 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.moveToEndOfArray = exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.backtrackBeforeAllVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.isPortraitOrientation = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
  
  var _regenerator = __w_pdfjs_require__(4);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  var CSS_UNITS = 96.0 / 72.0;
  var DEFAULT_SCALE_VALUE = 'auto';
  var DEFAULT_SCALE = 1.0;
  var MIN_SCALE = 0.10;
  var MAX_SCALE = 10.0;
  var UNKNOWN_SCALE = 0;
  var MAX_AUTO_SCALE = 1.25;
  var SCROLLBAR_PADDING = 40;
  var VERTICAL_PADDING = 5;
  var PresentationModeState = {
    UNKNOWN: 0,
    NORMAL: 1,
    CHANGING: 2,
    FULLSCREEN: 3
  };
  var RendererType = {
    CANVAS: 'canvas',
    SVG: 'svg'
  };
  var TextLayerMode = {
    DISABLE: 0,
    ENABLE: 1,
    ENABLE_ENHANCE: 2
  };
  function formatL10nValue(text, args) {
    if (!args) {
      return text;
    }
    return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
      return name in args ? args[name] : '{{' + name + '}}';
    });
  }
  var NullL10n = {
    getLanguage: function () {
      var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
        return _regenerator2.default.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                return _context.abrupt('return', 'en-us');
  
              case 1:
              case 'end':
                return _context.stop();
            }
          }
        }, _callee, this);
      }));
  
      function getLanguage() {
        return _ref.apply(this, arguments);
      }
  
      return getLanguage;
    }(),
    getDirection: function () {
      var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
        return _regenerator2.default.wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                return _context2.abrupt('return', 'ltr');
  
              case 1:
              case 'end':
                return _context2.stop();
            }
          }
        }, _callee2, this);
      }));
  
      function getDirection() {
        return _ref2.apply(this, arguments);
      }
  
      return getDirection;
    }(),
    get: function () {
      var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3(property, args, fallback) {
        return _regenerator2.default.wrap(function _callee3$(_context3) {
          while (1) {
            switch (_context3.prev = _context3.next) {
              case 0:
                return _context3.abrupt('return', formatL10nValue(fallback, args));
  
              case 1:
              case 'end':
                return _context3.stop();
            }
          }
        }, _callee3, this);
      }));
  
      function get(_x, _x2, _x3) {
        return _ref3.apply(this, arguments);
      }
  
      return get;
    }(),
    translate: function () {
      var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(element) {
        return _regenerator2.default.wrap(function _callee4$(_context4) {
          while (1) {
            switch (_context4.prev = _context4.next) {
              case 0:
              case 'end':
                return _context4.stop();
            }
          }
        }, _callee4, this);
      }));
  
      function translate(_x4) {
        return _ref4.apply(this, arguments);
      }
  
      return translate;
    }()
  };
  function getOutputScale(ctx) {
    var devicePixelRatio = window.devicePixelRatio || 1;
    var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
    var pixelRatio = devicePixelRatio / backingStoreRatio;
    return {
      sx: pixelRatio,
      sy: pixelRatio,
      scaled: pixelRatio !== 1
    };
  }
  function scrollIntoView(element, spot) {
    var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
    var parent = element.offsetParent;
    if (!parent) {
      console.error('offsetParent is not set -- cannot scroll');
      return;
    }
    var offsetY = element.offsetTop + element.clientTop;
    var offsetX = element.offsetLeft + element.clientLeft;
    while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
      if (parent.dataset._scaleY) {
        offsetY /= parent.dataset._scaleY;
        offsetX /= parent.dataset._scaleX;
      }
      offsetY += parent.offsetTop;
      offsetX += parent.offsetLeft;
      parent = parent.offsetParent;
      if (!parent) {
        return;
      }
    }
    if (spot) {
      if (spot.top !== undefined) {
        offsetY += spot.top;
      }
      if (spot.left !== undefined) {
        offsetX += spot.left;
        parent.scrollLeft = offsetX;
      }
    }
    parent.scrollTop = offsetY;
  }
  function watchScroll(viewAreaElement, callback) {
    var debounceScroll = function debounceScroll(evt) {
      if (rAF) {
        return;
      }
      rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
        rAF = null;
        var currentX = viewAreaElement.scrollLeft;
        var lastX = state.lastX;
        if (currentX !== lastX) {
          state.right = currentX > lastX;
        }
        state.lastX = currentX;
        var currentY = viewAreaElement.scrollTop;
        var lastY = state.lastY;
        if (currentY !== lastY) {
          state.down = currentY > lastY;
        }
        state.lastY = currentY;
        callback(state);
      });
    };
    var state = {
      right: true,
      down: true,
      lastX: viewAreaElement.scrollLeft,
      lastY: viewAreaElement.scrollTop,
      _eventHandler: debounceScroll
    };
    var rAF = null;
    viewAreaElement.addEventListener('scroll', debounceScroll, true);
    return state;
  }
  function parseQueryString(query) {
    var parts = query.split('&');
    var params = Object.create(null);
    for (var i = 0, ii = parts.length; i < ii; ++i) {
      var param = parts[i].split('=');
      var key = param[0].toLowerCase();
      var value = param.length > 1 ? param[1] : null;
      params[decodeURIComponent(key)] = decodeURIComponent(value);
    }
    return params;
  }
  function binarySearchFirstItem(items, condition) {
    var minIndex = 0;
    var maxIndex = items.length - 1;
    if (items.length === 0 || !condition(items[maxIndex])) {
      return items.length;
    }
    if (condition(items[minIndex])) {
      return minIndex;
    }
    while (minIndex < maxIndex) {
      var currentIndex = minIndex + maxIndex >> 1;
      var currentItem = items[currentIndex];
      if (condition(currentItem)) {
        maxIndex = currentIndex;
      } else {
        minIndex = currentIndex + 1;
      }
    }
    return minIndex;
  }
  function approximateFraction(x) {
    if (Math.floor(x) === x) {
      return [x, 1];
    }
    var xinv = 1 / x;
    var limit = 8;
    if (xinv > limit) {
      return [1, limit];
    } else if (Math.floor(xinv) === xinv) {
      return [1, xinv];
    }
    var x_ = x > 1 ? xinv : x;
    var a = 0,
        b = 1,
        c = 1,
        d = 1;
    while (true) {
      var p = a + c,
          q = b + d;
      if (q > limit) {
        break;
      }
      if (x_ <= p / q) {
        c = p;
        d = q;
      } else {
        a = p;
        b = q;
      }
    }
    var result = void 0;
    if (x_ - a / b < c / d - x_) {
      result = x_ === x ? [a, b] : [b, a];
    } else {
      result = x_ === x ? [c, d] : [d, c];
    }
    return result;
  }
  function roundToDivide(x, div) {
    var r = x % div;
    return r === 0 ? x : Math.round(x - r + div);
  }
  function getPageSizeInches(_ref5) {
    var view = _ref5.view,
        userUnit = _ref5.userUnit,
        rotate = _ref5.rotate;
  
    var _view = _slicedToArray(view, 4),
        x1 = _view[0],
        y1 = _view[1],
        x2 = _view[2],
        y2 = _view[3];
  
    var changeOrientation = rotate % 180 !== 0;
    var width = (x2 - x1) / 72 * userUnit;
    var height = (y2 - y1) / 72 * userUnit;
    return {
      width: changeOrientation ? height : width,
      height: changeOrientation ? width : height
    };
  }
  function backtrackBeforeAllVisibleElements(index, views, top) {
    if (index < 2) {
      return index;
    }
    var elt = views[index].div;
    var pageTop = elt.offsetTop + elt.clientTop;
    if (pageTop >= top) {
      elt = views[index - 1].div;
      pageTop = elt.offsetTop + elt.clientTop;
    }
    for (var i = index - 2; i >= 0; --i) {
      elt = views[i].div;
      if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
        break;
      }
      index = i;
    }
    return index;
  }
  function getVisibleElements(scrollEl, views) {
    var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    var horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
    var top = scrollEl.scrollTop,
        bottom = top + scrollEl.clientHeight;
    var left = scrollEl.scrollLeft,
        right = left + scrollEl.clientWidth;
    function isElementBottomAfterViewTop(view) {
      var element = view.div;
      var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
      return elementBottom > top;
    }
    function isElementRightAfterViewLeft(view) {
      var element = view.div;
      var elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
      return elementRight > left;
    }
    var visible = [],
        view = void 0,
        element = void 0;
    var currentHeight = void 0,
        viewHeight = void 0,
        viewBottom = void 0,
        hiddenHeight = void 0;
    var currentWidth = void 0,
        viewWidth = void 0,
        viewRight = void 0,
        hiddenWidth = void 0;
    var percentVisible = void 0;
    var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
    if (views.length > 0 && !horizontal) {
      firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
    }
    var lastEdge = horizontal ? right : -1;
    for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
      view = views[i];
      element = view.div;
      currentWidth = element.offsetLeft + element.clientLeft;
      currentHeight = element.offsetTop + element.clientTop;
      viewWidth = element.clientWidth;
      viewHeight = element.clientHeight;
      viewRight = currentWidth + viewWidth;
      viewBottom = currentHeight + viewHeight;
      if (lastEdge === -1) {
        if (viewBottom >= bottom) {
          lastEdge = viewBottom;
        }
      } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
        break;
      }
      if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
        continue;
      }
      hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
      hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
      percentVisible = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
      visible.push({
        id: view.id,
        x: currentWidth,
        y: currentHeight,
        view: view,
        percent: percentVisible
      });
    }
    var first = visible[0];
    var last = visible[visible.length - 1];
    if (sortByVisibility) {
      visible.sort(function (a, b) {
        var pc = a.percent - b.percent;
        if (Math.abs(pc) > 0.001) {
          return -pc;
        }
        return a.id - b.id;
      });
    }
    return {
      first: first,
      last: last,
      views: visible
    };
  }
  function noContextMenuHandler(evt) {
    evt.preventDefault();
  }
  function isDataSchema(url) {
    var i = 0,
        ii = url.length;
    while (i < ii && url[i].trim() === '') {
      i++;
    }
    return url.substring(i, i + 5).toLowerCase() === 'data:';
  }
  function getPDFFileNameFromURL(url) {
    var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf';
  
    if (typeof url !== 'string') {
      return defaultFilename;
    }
    if (isDataSchema(url)) {
      console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.');
      return defaultFilename;
    }
    var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
    var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
    var splitURI = reURI.exec(url);
    var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
    if (suggestedFilename) {
      suggestedFilename = suggestedFilename[0];
      if (suggestedFilename.includes('%')) {
        try {
          suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
        } catch (ex) {}
      }
    }
    return suggestedFilename || defaultFilename;
  }
  function normalizeWheelEventDelta(evt) {
    var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
    var angle = Math.atan2(evt.deltaY, evt.deltaX);
    if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
      delta = -delta;
    }
    var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
    var MOUSE_DOM_DELTA_LINE_MODE = 1;
    var MOUSE_PIXELS_PER_LINE = 30;
    var MOUSE_LINES_PER_PAGE = 30;
    if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
      delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
    } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
      delta /= MOUSE_LINES_PER_PAGE;
    }
    return delta;
  }
  function isValidRotation(angle) {
    return Number.isInteger(angle) && angle % 90 === 0;
  }
  function isPortraitOrientation(size) {
    return size.width <= size.height;
  }
  var WaitOnType = {
    EVENT: 'event',
    TIMEOUT: 'timeout'
  };
  function waitOnEventOrTimeout(_ref6) {
    var target = _ref6.target,
        name = _ref6.name,
        _ref6$delay = _ref6.delay,
        delay = _ref6$delay === undefined ? 0 : _ref6$delay;
  
    return new Promise(function (resolve, reject) {
      if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
        throw new Error('waitOnEventOrTimeout - invalid parameters.');
      }
      function handler(type) {
        if (target instanceof EventBus) {
          target.off(name, eventHandler);
        } else {
          target.removeEventListener(name, eventHandler);
        }
        if (timeout) {
          clearTimeout(timeout);
        }
        resolve(type);
      }
      var eventHandler = handler.bind(null, WaitOnType.EVENT);
      if (target instanceof EventBus) {
        target.on(name, eventHandler);
      } else {
        target.addEventListener(name, eventHandler);
      }
      var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
      var timeout = setTimeout(timeoutHandler, delay);
    });
  }
  var animationStarted = new Promise(function (resolve) {
    window.requestAnimationFrame(resolve);
  });
  
  var EventBus = function () {
    function EventBus() {
      var _ref7 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
          _ref7$dispatchToDOM = _ref7.dispatchToDOM,
          dispatchToDOM = _ref7$dispatchToDOM === undefined ? false : _ref7$dispatchToDOM;
  
      _classCallCheck(this, EventBus);
  
      this._listeners = Object.create(null);
      this._dispatchToDOM = dispatchToDOM === true;
    }
  
    _createClass(EventBus, [{
      key: 'on',
      value: function on(eventName, listener) {
        var eventListeners = this._listeners[eventName];
        if (!eventListeners) {
          eventListeners = [];
          this._listeners[eventName] = eventListeners;
        }
        eventListeners.push(listener);
      }
    }, {
      key: 'off',
      value: function off(eventName, listener) {
        var eventListeners = this._listeners[eventName];
        var i = void 0;
        if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
          return;
        }
        eventListeners.splice(i, 1);
      }
    }, {
      key: 'dispatch',
      value: function dispatch(eventName) {
        var eventListeners = this._listeners[eventName];
        if (!eventListeners || eventListeners.length === 0) {
          if (this._dispatchToDOM) {
            var _args5 = Array.prototype.slice.call(arguments, 1);
            this._dispatchDOMEvent(eventName, _args5);
          }
          return;
        }
        var args = Array.prototype.slice.call(arguments, 1);
        eventListeners.slice(0).forEach(function (listener) {
          listener.apply(null, args);
        });
        if (this._dispatchToDOM) {
          this._dispatchDOMEvent(eventName, args);
        }
      }
    }, {
      key: '_dispatchDOMEvent',
      value: function _dispatchDOMEvent(eventName) {
        var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  
        if (!this._dispatchToDOM) {
          return;
        }
        var details = Object.create(null);
        if (args && args.length > 0) {
          var obj = args[0];
          for (var key in obj) {
            var value = obj[key];
            if (key === 'source') {
              if (value === window || value === document) {
                return;
              }
              continue;
            }
            details[key] = value;
          }
        }
        var event = document.createEvent('CustomEvent');
        event.initCustomEvent(eventName, true, true, details);
        document.dispatchEvent(event);
      }
    }]);
  
    return EventBus;
  }();
  
  function clamp(v, min, max) {
    return Math.min(Math.max(v, min), max);
  }
  
  var ProgressBar = function () {
    function ProgressBar(id) {
      var _ref8 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
          height = _ref8.height,
          width = _ref8.width,
          units = _ref8.units;
  
      _classCallCheck(this, ProgressBar);
  
      this.visible = true;
      this.div = document.querySelector(id + ' .progress');
      this.bar = this.div.parentNode;
      this.height = height || 100;
      this.width = width || 100;
      this.units = units || '%';
      this.div.style.height = this.height + this.units;
      this.percent = 0;
    }
  
    _createClass(ProgressBar, [{
      key: '_updateBar',
      value: function _updateBar() {
        if (this._indeterminate) {
          this.div.classList.add('indeterminate');
          this.div.style.width = this.width + this.units;
          return;
        }
        this.div.classList.remove('indeterminate');
        var progressSize = this.width * this._percent / 100;
        this.div.style.width = progressSize + this.units;
      }
    }, {
      key: 'setWidth',
      value: function setWidth(viewer) {
        if (!viewer) {
          return;
        }
        var container = viewer.parentNode;
        var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
        if (scrollbarWidth > 0) {
          this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
        }
      }
    }, {
      key: 'hide',
      value: function hide() {
        if (!this.visible) {
          return;
        }
        this.visible = false;
        this.bar.classList.add('hidden');
        document.body.classList.remove('loadingInProgress');
      }
    }, {
      key: 'show',
      value: function show() {
        if (this.visible) {
          return;
        }
        this.visible = true;
        document.body.classList.add('loadingInProgress');
        this.bar.classList.remove('hidden');
      }
    }, {
      key: 'percent',
      get: function get() {
        return this._percent;
      },
      set: function set(val) {
        this._indeterminate = isNaN(val);
        this._percent = clamp(val, 0, 100);
        this._updateBar();
      }
    }]);
  
    return ProgressBar;
  }();
  
  function moveToEndOfArray(arr, condition) {
    var moved = [],
        len = arr.length;
    var write = 0;
    for (var read = 0; read < len; ++read) {
      if (condition(arr[read])) {
        moved.push(arr[read]);
      } else {
        arr[write] = arr[read];
        ++write;
      }
    }
    for (var _read = 0; write < len; ++_read, ++write) {
      arr[write] = moved[_read];
    }
  }
  exports.CSS_UNITS = CSS_UNITS;
  exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
  exports.DEFAULT_SCALE = DEFAULT_SCALE;
  exports.MIN_SCALE = MIN_SCALE;
  exports.MAX_SCALE = MAX_SCALE;
  exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
  exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
  exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
  exports.VERTICAL_PADDING = VERTICAL_PADDING;
  exports.isValidRotation = isValidRotation;
  exports.isPortraitOrientation = isPortraitOrientation;
  exports.PresentationModeState = PresentationModeState;
  exports.RendererType = RendererType;
  exports.TextLayerMode = TextLayerMode;
  exports.NullL10n = NullL10n;
  exports.EventBus = EventBus;
  exports.ProgressBar = ProgressBar;
  exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
  exports.noContextMenuHandler = noContextMenuHandler;
  exports.parseQueryString = parseQueryString;
  exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
  exports.getVisibleElements = getVisibleElements;
  exports.roundToDivide = roundToDivide;
  exports.getPageSizeInches = getPageSizeInches;
  exports.approximateFraction = approximateFraction;
  exports.getOutputScale = getOutputScale;
  exports.scrollIntoView = scrollIntoView;
  exports.watchScroll = watchScroll;
  exports.binarySearchFirstItem = binarySearchFirstItem;
  exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
  exports.animationStarted = animationStarted;
  exports.WaitOnType = WaitOnType;
  exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
  exports.moveToEndOfArray = moveToEndOfArray;
  
  /***/ }),
  /* 4 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = __w_pdfjs_require__(5);
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var g = function () {
    return this;
  }() || Function("return this")();
  var hadRuntime = g.regeneratorRuntime && Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
  var oldRuntime = hadRuntime && g.regeneratorRuntime;
  g.regeneratorRuntime = undefined;
  module.exports = __w_pdfjs_require__(6);
  if (hadRuntime) {
    g.regeneratorRuntime = oldRuntime;
  } else {
    try {
      delete g.regeneratorRuntime;
    } catch (e) {
      g.regeneratorRuntime = undefined;
    }
  }
  
  /***/ }),
  /* 6 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  /* WEBPACK VAR INJECTION */(function(module) {
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  !function (global) {
    "use strict";
  
    var Op = Object.prototype;
    var hasOwn = Op.hasOwnProperty;
    var undefined;
    var $Symbol = typeof Symbol === "function" ? Symbol : {};
    var iteratorSymbol = $Symbol.iterator || "@@iterator";
    var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
    var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
    var inModule = ( false ? undefined : _typeof(module)) === "object";
    var runtime = global.regeneratorRuntime;
    if (runtime) {
      if (inModule) {
        module.exports = runtime;
      }
      return;
    }
    runtime = global.regeneratorRuntime = inModule ? module.exports : {};
    function wrap(innerFn, outerFn, self, tryLocsList) {
      var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
      var generator = Object.create(protoGenerator.prototype);
      var context = new Context(tryLocsList || []);
      generator._invoke = makeInvokeMethod(innerFn, self, context);
      return generator;
    }
    runtime.wrap = wrap;
    function tryCatch(fn, obj, arg) {
      try {
        return {
          type: "normal",
          arg: fn.call(obj, arg)
        };
      } catch (err) {
        return {
          type: "throw",
          arg: err
        };
      }
    }
    var GenStateSuspendedStart = "suspendedStart";
    var GenStateSuspendedYield = "suspendedYield";
    var GenStateExecuting = "executing";
    var GenStateCompleted = "completed";
    var ContinueSentinel = {};
    function Generator() {}
    function GeneratorFunction() {}
    function GeneratorFunctionPrototype() {}
    var IteratorPrototype = {};
    IteratorPrototype[iteratorSymbol] = function () {
      return this;
    };
    var getProto = Object.getPrototypeOf;
    var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
    if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
      IteratorPrototype = NativeIteratorPrototype;
    }
    var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
    GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
    GeneratorFunctionPrototype.constructor = GeneratorFunction;
    GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";
    function defineIteratorMethods(prototype) {
      ["next", "throw", "return"].forEach(function (method) {
        prototype[method] = function (arg) {
          return this._invoke(method, arg);
        };
      });
    }
    runtime.isGeneratorFunction = function (genFun) {
      var ctor = typeof genFun === "function" && genFun.constructor;
      return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
    };
    runtime.mark = function (genFun) {
      if (Object.setPrototypeOf) {
        Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
      } else {
        genFun.__proto__ = GeneratorFunctionPrototype;
        if (!(toStringTagSymbol in genFun)) {
          genFun[toStringTagSymbol] = "GeneratorFunction";
        }
      }
      genFun.prototype = Object.create(Gp);
      return genFun;
    };
    runtime.awrap = function (arg) {
      return { __await: arg };
    };
    function AsyncIterator(generator) {
      function invoke(method, arg, resolve, reject) {
        var record = tryCatch(generator[method], generator, arg);
        if (record.type === "throw") {
          reject(record.arg);
        } else {
          var result = record.arg;
          var value = result.value;
          if (value && (typeof value === "undefined" ? "undefined" : _typeof(value)) === "object" && hasOwn.call(value, "__await")) {
            return Promise.resolve(value.__await).then(function (value) {
              invoke("next", value, resolve, reject);
            }, function (err) {
              invoke("throw", err, resolve, reject);
            });
          }
          return Promise.resolve(value).then(function (unwrapped) {
            result.value = unwrapped;
            resolve(result);
          }, reject);
        }
      }
      var previousPromise;
      function enqueue(method, arg) {
        function callInvokeWithMethodAndArg() {
          return new Promise(function (resolve, reject) {
            invoke(method, arg, resolve, reject);
          });
        }
        return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
      }
      this._invoke = enqueue;
    }
    defineIteratorMethods(AsyncIterator.prototype);
    AsyncIterator.prototype[asyncIteratorSymbol] = function () {
      return this;
    };
    runtime.AsyncIterator = AsyncIterator;
    runtime.async = function (innerFn, outerFn, self, tryLocsList) {
      var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
      return runtime.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
        return result.done ? result.value : iter.next();
      });
    };
    function makeInvokeMethod(innerFn, self, context) {
      var state = GenStateSuspendedStart;
      return function invoke(method, arg) {
        if (state === GenStateExecuting) {
          throw new Error("Generator is already running");
        }
        if (state === GenStateCompleted) {
          if (method === "throw") {
            throw arg;
          }
          return doneResult();
        }
        context.method = method;
        context.arg = arg;
        while (true) {
          var delegate = context.delegate;
          if (delegate) {
            var delegateResult = maybeInvokeDelegate(delegate, context);
            if (delegateResult) {
              if (delegateResult === ContinueSentinel) continue;
              return delegateResult;
            }
          }
          if (context.method === "next") {
            context.sent = context._sent = context.arg;
          } else if (context.method === "throw") {
            if (state === GenStateSuspendedStart) {
              state = GenStateCompleted;
              throw context.arg;
            }
            context.dispatchException(context.arg);
          } else if (context.method === "return") {
            context.abrupt("return", context.arg);
          }
          state = GenStateExecuting;
          var record = tryCatch(innerFn, self, context);
          if (record.type === "normal") {
            state = context.done ? GenStateCompleted : GenStateSuspendedYield;
            if (record.arg === ContinueSentinel) {
              continue;
            }
            return {
              value: record.arg,
              done: context.done
            };
          } else if (record.type === "throw") {
            state = GenStateCompleted;
            context.method = "throw";
            context.arg = record.arg;
          }
        }
      };
    }
    function maybeInvokeDelegate(delegate, context) {
      var method = delegate.iterator[context.method];
      if (method === undefined) {
        context.delegate = null;
        if (context.method === "throw") {
          if (delegate.iterator.return) {
            context.method = "return";
            context.arg = undefined;
            maybeInvokeDelegate(delegate, context);
            if (context.method === "throw") {
              return ContinueSentinel;
            }
          }
          context.method = "throw";
          context.arg = new TypeError("The iterator does not provide a 'throw' method");
        }
        return ContinueSentinel;
      }
      var record = tryCatch(method, delegate.iterator, context.arg);
      if (record.type === "throw") {
        context.method = "throw";
        context.arg = record.arg;
        context.delegate = null;
        return ContinueSentinel;
      }
      var info = record.arg;
      if (!info) {
        context.method = "throw";
        context.arg = new TypeError("iterator result is not an object");
        context.delegate = null;
        return ContinueSentinel;
      }
      if (info.done) {
        context[delegate.resultName] = info.value;
        context.next = delegate.nextLoc;
        if (context.method !== "return") {
          context.method = "next";
          context.arg = undefined;
        }
      } else {
        return info;
      }
      context.delegate = null;
      return ContinueSentinel;
    }
    defineIteratorMethods(Gp);
    Gp[toStringTagSymbol] = "Generator";
    Gp[iteratorSymbol] = function () {
      return this;
    };
    Gp.toString = function () {
      return "[object Generator]";
    };
    function pushTryEntry(locs) {
      var entry = { tryLoc: locs[0] };
      if (1 in locs) {
        entry.catchLoc = locs[1];
      }
      if (2 in locs) {
        entry.finallyLoc = locs[2];
        entry.afterLoc = locs[3];
      }
      this.tryEntries.push(entry);
    }
    function resetTryEntry(entry) {
      var record = entry.completion || {};
      record.type = "normal";
      delete record.arg;
      entry.completion = record;
    }
    function Context(tryLocsList) {
      this.tryEntries = [{ tryLoc: "root" }];
      tryLocsList.forEach(pushTryEntry, this);
      this.reset(true);
    }
    runtime.keys = function (object) {
      var keys = [];
      for (var key in object) {
        keys.push(key);
      }
      keys.reverse();
      return function next() {
        while (keys.length) {
          var key = keys.pop();
          if (key in object) {
            next.value = key;
            next.done = false;
            return next;
          }
        }
        next.done = true;
        return next;
      };
    };
    function values(iterable) {
      if (iterable) {
        var iteratorMethod = iterable[iteratorSymbol];
        if (iteratorMethod) {
          return iteratorMethod.call(iterable);
        }
        if (typeof iterable.next === "function") {
          return iterable;
        }
        if (!isNaN(iterable.length)) {
          var i = -1,
              next = function next() {
            while (++i < iterable.length) {
              if (hasOwn.call(iterable, i)) {
                next.value = iterable[i];
                next.done = false;
                return next;
              }
            }
            next.value = undefined;
            next.done = true;
            return next;
          };
          return next.next = next;
        }
      }
      return { next: doneResult };
    }
    runtime.values = values;
    function doneResult() {
      return {
        value: undefined,
        done: true
      };
    }
    Context.prototype = {
      constructor: Context,
      reset: function reset(skipTempReset) {
        this.prev = 0;
        this.next = 0;
        this.sent = this._sent = undefined;
        this.done = false;
        this.delegate = null;
        this.method = "next";
        this.arg = undefined;
        this.tryEntries.forEach(resetTryEntry);
        if (!skipTempReset) {
          for (var name in this) {
            if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
              this[name] = undefined;
            }
          }
        }
      },
      stop: function stop() {
        this.done = true;
        var rootEntry = this.tryEntries[0];
        var rootRecord = rootEntry.completion;
        if (rootRecord.type === "throw") {
          throw rootRecord.arg;
        }
        return this.rval;
      },
      dispatchException: function dispatchException(exception) {
        if (this.done) {
          throw exception;
        }
        var context = this;
        function handle(loc, caught) {
          record.type = "throw";
          record.arg = exception;
          context.next = loc;
          if (caught) {
            context.method = "next";
            context.arg = undefined;
          }
          return !!caught;
        }
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          var record = entry.completion;
          if (entry.tryLoc === "root") {
            return handle("end");
          }
          if (entry.tryLoc <= this.prev) {
            var hasCatch = hasOwn.call(entry, "catchLoc");
            var hasFinally = hasOwn.call(entry, "finallyLoc");
            if (hasCatch && hasFinally) {
              if (this.prev < entry.catchLoc) {
                return handle(entry.catchLoc, true);
              } else if (this.prev < entry.finallyLoc) {
                return handle(entry.finallyLoc);
              }
            } else if (hasCatch) {
              if (this.prev < entry.catchLoc) {
                return handle(entry.catchLoc, true);
              }
            } else if (hasFinally) {
              if (this.prev < entry.finallyLoc) {
                return handle(entry.finallyLoc);
              }
            } else {
              throw new Error("try statement without catch or finally");
            }
          }
        }
      },
      abrupt: function abrupt(type, arg) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
            var finallyEntry = entry;
            break;
          }
        }
        if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
          finallyEntry = null;
        }
        var record = finallyEntry ? finallyEntry.completion : {};
        record.type = type;
        record.arg = arg;
        if (finallyEntry) {
          this.method = "next";
          this.next = finallyEntry.finallyLoc;
          return ContinueSentinel;
        }
        return this.complete(record);
      },
      complete: function complete(record, afterLoc) {
        if (record.type === "throw") {
          throw record.arg;
        }
        if (record.type === "break" || record.type === "continue") {
          this.next = record.arg;
        } else if (record.type === "return") {
          this.rval = this.arg = record.arg;
          this.method = "return";
          this.next = "end";
        } else if (record.type === "normal" && afterLoc) {
          this.next = afterLoc;
        }
        return ContinueSentinel;
      },
      finish: function finish(finallyLoc) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          if (entry.finallyLoc === finallyLoc) {
            this.complete(entry.completion, entry.afterLoc);
            resetTryEntry(entry);
            return ContinueSentinel;
          }
        }
      },
      "catch": function _catch(tryLoc) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          if (entry.tryLoc === tryLoc) {
            var record = entry.completion;
            if (record.type === "throw") {
              var thrown = record.arg;
              resetTryEntry(entry);
            }
            return thrown;
          }
        }
        throw new Error("illegal catch attempt");
      },
      delegateYield: function delegateYield(iterable, resultName, nextLoc) {
        this.delegate = {
          iterator: values(iterable),
          resultName: resultName,
          nextLoc: nextLoc
        };
        if (this.method === "next") {
          this.arg = undefined;
        }
        return ContinueSentinel;
      }
    };
  }(function () {
    return this;
  }() || Function("return this")());
  /* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(7)(module)))
  
  /***/ }),
  /* 7 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (module) {
    if (!module.webpackPolyfill) {
      module.deprecate = function () {};
      module.paths = [];
      if (!module.children) module.children = [];
      Object.defineProperty(module, "loaded", {
        enumerable: true,
        get: function get() {
          return module.l;
        }
      });
      Object.defineProperty(module, "id", {
        enumerable: true,
        get: function get() {
          return module.i;
        }
      });
      module.webpackPolyfill = 1;
    }
    return module;
  };
  
  /***/ }),
  /* 8 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SimpleLinkService = exports.PDFLinkService = undefined;
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _dom_events = __w_pdfjs_require__(9);
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var PDFLinkService = function () {
    function PDFLinkService() {
      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
          eventBus = _ref.eventBus,
          _ref$externalLinkTarg = _ref.externalLinkTarget,
          externalLinkTarget = _ref$externalLinkTarg === undefined ? null : _ref$externalLinkTarg,
          _ref$externalLinkRel = _ref.externalLinkRel,
          externalLinkRel = _ref$externalLinkRel === undefined ? null : _ref$externalLinkRel;
  
      _classCallCheck(this, PDFLinkService);
  
      this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
      this.externalLinkTarget = externalLinkTarget;
      this.externalLinkRel = externalLinkRel;
      this.baseUrl = null;
      this.pdfDocument = null;
      this.pdfViewer = null;
      this.pdfHistory = null;
      this._pagesRefCache = null;
    }
  
    _createClass(PDFLinkService, [{
      key: 'setDocument',
      value: function setDocument(pdfDocument) {
        var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  
        this.baseUrl = baseUrl;
        this.pdfDocument = pdfDocument;
        this._pagesRefCache = Object.create(null);
      }
    }, {
      key: 'setViewer',
      value: function setViewer(pdfViewer) {
        this.pdfViewer = pdfViewer;
      }
    }, {
      key: 'setHistory',
      value: function setHistory(pdfHistory) {
        this.pdfHistory = pdfHistory;
      }
    }, {
      key: 'navigateTo',
      value: function navigateTo(dest) {
        var _this = this;
  
        var goToDestination = function goToDestination(_ref2) {
          var namedDest = _ref2.namedDest,
              explicitDest = _ref2.explicitDest;
  
          var destRef = explicitDest[0],
              pageNumber = void 0;
          if (destRef instanceof Object) {
            pageNumber = _this._cachedPageNumber(destRef);
            if (pageNumber === null) {
              _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
                _this.cachePageRef(pageIndex + 1, destRef);
                goToDestination({
                  namedDest: namedDest,
                  explicitDest: explicitDest
                });
              }).catch(function () {
                console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid page reference, for dest="' + dest + '".'));
              });
              return;
            }
          } else if (Number.isInteger(destRef)) {
            pageNumber = destRef + 1;
          } else {
            console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid destination reference, for dest="' + dest + '".'));
            return;
          }
          if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
            console.error('PDFLinkService.navigateTo: "' + pageNumber + '" is not ' + ('a valid page number, for dest="' + dest + '".'));
            return;
          }
          if (_this.pdfHistory) {
            _this.pdfHistory.pushCurrentPosition();
            _this.pdfHistory.push({
              namedDest: namedDest,
              explicitDest: explicitDest,
              pageNumber: pageNumber
            });
          }
          _this.pdfViewer.scrollPageIntoView({
            pageNumber: pageNumber,
            destArray: explicitDest
          });
        };
        new Promise(function (resolve, reject) {
          if (typeof dest === 'string') {
            _this.pdfDocument.getDestination(dest).then(function (destArray) {
              resolve({
                namedDest: dest,
                explicitDest: destArray
              });
            });
            return;
          }
          resolve({
            namedDest: '',
            explicitDest: dest
          });
        }).then(function (data) {
          if (!Array.isArray(data.explicitDest)) {
            console.error('PDFLinkService.navigateTo: "' + data.explicitDest + '" is' + (' not a valid destination array, for dest="' + dest + '".'));
            return;
          }
          goToDestination(data);
        });
      }
    }, {
      key: 'getDestinationHash',
      value: function getDestinationHash(dest) {
        if (typeof dest === 'string') {
          return this.getAnchorUrl('#' + escape(dest));
        }
        if (Array.isArray(dest)) {
          var str = JSON.stringify(dest);
          return this.getAnchorUrl('#' + escape(str));
        }
        return this.getAnchorUrl('');
      }
    }, {
      key: 'getAnchorUrl',
      value: function getAnchorUrl(anchor) {
        return (this.baseUrl || '') + anchor;
      }
    }, {
      key: 'setHash',
      value: function setHash(hash) {
        var pageNumber = void 0,
            dest = void 0;
        if (hash.includes('=')) {
          var params = (0, _ui_utils.parseQueryString)(hash);
          if ('search' in params) {
            this.eventBus.dispatch('findfromurlhash', {
              source: this,
              query: params['search'].replace(/"/g, ''),
              phraseSearch: params['phrase'] === 'true'
            });
          }
          if ('nameddest' in params) {
            this.navigateTo(params.nameddest);
            return;
          }
          if ('page' in params) {
            pageNumber = params.page | 0 || 1;
          }
          if ('zoom' in params) {
            var zoomArgs = params.zoom.split(',');
            var zoomArg = zoomArgs[0];
            var zoomArgNumber = parseFloat(zoomArg);
            if (!zoomArg.includes('Fit')) {
              dest = [null, { name: 'XYZ' }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
            } else {
              if (zoomArg === 'Fit' || zoomArg === 'FitB') {
                dest = [null, { name: zoomArg }];
              } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
                dest = [null, { name: zoomArg }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
              } else if (zoomArg === 'FitR') {
                if (zoomArgs.length !== 5) {
                  console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
                } else {
                  dest = [null, { name: zoomArg }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
                }
              } else {
                console.error('PDFLinkService.setHash: "' + zoomArg + '" is not ' + 'a valid zoom value.');
              }
            }
          }
          if (dest) {
            this.pdfViewer.scrollPageIntoView({
              pageNumber: pageNumber || this.page,
              destArray: dest,
              allowNegativeOffset: true
            });
          } else if (pageNumber) {
            this.page = pageNumber;
          }
          if ('pagemode' in params) {
            this.eventBus.dispatch('pagemode', {
              source: this,
              mode: params.pagemode
            });
          }
        } else {
          dest = unescape(hash);
          try {
            dest = JSON.parse(dest);
            if (!Array.isArray(dest)) {
              dest = dest.toString();
            }
          } catch (ex) {}
          if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
            this.navigateTo(dest);
            return;
          }
          console.error('PDFLinkService.setHash: "' + unescape(hash) + '" is not ' + 'a valid destination.');
        }
      }
    }, {
      key: 'executeNamedAction',
      value: function executeNamedAction(action) {
        switch (action) {
          case 'GoBack':
            if (this.pdfHistory) {
              this.pdfHistory.back();
            }
            break;
          case 'GoForward':
            if (this.pdfHistory) {
              this.pdfHistory.forward();
            }
            break;
          case 'NextPage':
            if (this.page < this.pagesCount) {
              this.page++;
            }
            break;
          case 'PrevPage':
            if (this.page > 1) {
              this.page--;
            }
            break;
          case 'LastPage':
            this.page = this.pagesCount;
            break;
          case 'FirstPage':
            this.page = 1;
            break;
          default:
            break;
        }
        this.eventBus.dispatch('namedaction', {
          source: this,
          action: action
        });
      }
    }, {
      key: 'cachePageRef',
      value: function cachePageRef(pageNum, pageRef) {
        if (!pageRef) {
          return;
        }
        var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
        this._pagesRefCache[refStr] = pageNum;
      }
    }, {
      key: '_cachedPageNumber',
      value: function _cachedPageNumber(pageRef) {
        var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
        return this._pagesRefCache && this._pagesRefCache[refStr] || null;
      }
    }, {
      key: 'pagesCount',
      get: function get() {
        return this.pdfDocument ? this.pdfDocument.numPages : 0;
      }
    }, {
      key: 'page',
      get: function get() {
        return this.pdfViewer.currentPageNumber;
      },
      set: function set(value) {
        this.pdfViewer.currentPageNumber = value;
      }
    }, {
      key: 'rotation',
      get: function get() {
        return this.pdfViewer.pagesRotation;
      },
      set: function set(value) {
        this.pdfViewer.pagesRotation = value;
      }
    }]);
  
    return PDFLinkService;
  }();
  
  function isValidExplicitDestination(dest) {
    if (!Array.isArray(dest)) {
      return false;
    }
    var destLength = dest.length,
        allowNull = true;
    if (destLength < 2) {
      return false;
    }
    var page = dest[0];
    if (!((typeof page === 'undefined' ? 'undefined' : _typeof(page)) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
      return false;
    }
    var zoom = dest[1];
    if (!((typeof zoom === 'undefined' ? 'undefined' : _typeof(zoom)) === 'object' && typeof zoom.name === 'string')) {
      return false;
    }
    switch (zoom.name) {
      case 'XYZ':
        if (destLength !== 5) {
          return false;
        }
        break;
      case 'Fit':
      case 'FitB':
        return destLength === 2;
      case 'FitH':
      case 'FitBH':
      case 'FitV':
      case 'FitBV':
        if (destLength !== 3) {
          return false;
        }
        break;
      case 'FitR':
        if (destLength !== 6) {
          return false;
        }
        allowNull = false;
        break;
      default:
        return false;
    }
    for (var i = 2; i < destLength; i++) {
      var param = dest[i];
      if (!(typeof param === 'number' || allowNull && param === null)) {
        return false;
      }
    }
    return true;
  }
  
  var SimpleLinkService = function () {
    function SimpleLinkService() {
      _classCallCheck(this, SimpleLinkService);
  
      this.externalLinkTarget = null;
      this.externalLinkRel = null;
    }
  
    _createClass(SimpleLinkService, [{
      key: 'navigateTo',
      value: function navigateTo(dest) {}
    }, {
      key: 'getDestinationHash',
      value: function getDestinationHash(dest) {
        return '#';
      }
    }, {
      key: 'getAnchorUrl',
      value: function getAnchorUrl(hash) {
        return '#';
      }
    }, {
      key: 'setHash',
      value: function setHash(hash) {}
    }, {
      key: 'executeNamedAction',
      value: function executeNamedAction(action) {}
    }, {
      key: 'cachePageRef',
      value: function cachePageRef(pageNum, pageRef) {}
    }, {
      key: 'pagesCount',
      get: function get() {
        return 0;
      }
    }, {
      key: 'page',
      get: function get() {
        return 0;
      },
      set: function set(value) {}
    }, {
      key: 'rotation',
      get: function get() {
        return 0;
      },
      set: function set(value) {}
    }]);
  
    return SimpleLinkService;
  }();
  
  exports.PDFLinkService = PDFLinkService;
  exports.SimpleLinkService = SimpleLinkService;
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getGlobalEventBus = exports.attachDOMEventsToEventBus = undefined;
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  function attachDOMEventsToEventBus(eventBus) {
    eventBus.on('documentload', function () {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('documentload', true, true, {});
      window.dispatchEvent(event);
    });
    eventBus.on('pagerendered', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('pagerendered', true, true, {
        pageNumber: evt.pageNumber,
        cssTransform: evt.cssTransform
      });
      evt.source.div.dispatchEvent(event);
    });
    eventBus.on('textlayerrendered', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('textlayerrendered', true, true, { pageNumber: evt.pageNumber });
      evt.source.textLayerDiv.dispatchEvent(event);
    });
    eventBus.on('pagechange', function (evt) {
      var event = document.createEvent('UIEvents');
      event.initUIEvent('pagechange', true, true, window, 0);
      event.pageNumber = evt.pageNumber;
      evt.source.container.dispatchEvent(event);
    });
    eventBus.on('pagesinit', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('pagesinit', true, true, null);
      evt.source.container.dispatchEvent(event);
    });
    eventBus.on('pagesloaded', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('pagesloaded', true, true, { pagesCount: evt.pagesCount });
      evt.source.container.dispatchEvent(event);
    });
    eventBus.on('scalechange', function (evt) {
      var event = document.createEvent('UIEvents');
      event.initUIEvent('scalechange', true, true, window, 0);
      event.scale = evt.scale;
      event.presetValue = evt.presetValue;
      evt.source.container.dispatchEvent(event);
    });
    eventBus.on('updateviewarea', function (evt) {
      var event = document.createEvent('UIEvents');
      event.initUIEvent('updateviewarea', true, true, window, 0);
      event.location = evt.location;
      evt.source.container.dispatchEvent(event);
    });
    eventBus.on('find', function (evt) {
      if (evt.source === window) {
        return;
      }
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('find' + evt.type, true, true, {
        query: evt.query,
        phraseSearch: evt.phraseSearch,
        caseSensitive: evt.caseSensitive,
        highlightAll: evt.highlightAll,
        findPrevious: evt.findPrevious
      });
      window.dispatchEvent(event);
    });
    eventBus.on('attachmentsloaded', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: evt.attachmentsCount });
      evt.source.container.dispatchEvent(event);
    });
    eventBus.on('sidebarviewchanged', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('sidebarviewchanged', true, true, { view: evt.view });
      evt.source.outerContainer.dispatchEvent(event);
    });
    eventBus.on('pagemode', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('pagemode', true, true, { mode: evt.mode });
      evt.source.pdfViewer.container.dispatchEvent(event);
    });
    eventBus.on('namedaction', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('namedaction', true, true, { action: evt.action });
      evt.source.pdfViewer.container.dispatchEvent(event);
    });
    eventBus.on('presentationmodechanged', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('presentationmodechanged', true, true, {
        active: evt.active,
        switchInProgress: evt.switchInProgress
      });
      window.dispatchEvent(event);
    });
    eventBus.on('outlineloaded', function (evt) {
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('outlineloaded', true, true, { outlineCount: evt.outlineCount });
      evt.source.container.dispatchEvent(event);
    });
  }
  var globalEventBus = null;
  function getGlobalEventBus() {
    var dispatchToDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
    if (!globalEventBus) {
      globalEventBus = new _ui_utils.EventBus({ dispatchToDOM: dispatchToDOM });
      if (!dispatchToDOM) {
        attachDOMEventsToEventBus(globalEventBus);
      }
    }
    return globalEventBus;
  }
  exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
  exports.getGlobalEventBus = getGlobalEventBus;
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DefaultTextLayerFactory = exports.TextLayerBuilder = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _dom_events = __w_pdfjs_require__(9);
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var EXPAND_DIVS_TIMEOUT = 300;
  var MATCH_SCROLL_OFFSET_TOP = -50;
  var MATCH_SCROLL_OFFSET_LEFT = -400;
  
  var TextLayerBuilder = function () {
    function TextLayerBuilder(_ref) {
      var textLayerDiv = _ref.textLayerDiv,
          eventBus = _ref.eventBus,
          pageIndex = _ref.pageIndex,
          viewport = _ref.viewport,
          _ref$findController = _ref.findController,
          findController = _ref$findController === undefined ? null : _ref$findController,
          _ref$enhanceTextSelec = _ref.enhanceTextSelection,
          enhanceTextSelection = _ref$enhanceTextSelec === undefined ? false : _ref$enhanceTextSelec;
  
      _classCallCheck(this, TextLayerBuilder);
  
      this.textLayerDiv = textLayerDiv;
      this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
      this.textContent = null;
      this.textContentItemsStr = [];
      this.textContentStream = null;
      this.renderingDone = false;
      this.pageIdx = pageIndex;
      this.pageNumber = this.pageIdx + 1;
      this.matches = [];
      this.viewport = viewport;
      this.textDivs = [];
      this.findController = findController;
      this.textLayerRenderTask = null;
      this.enhanceTextSelection = enhanceTextSelection;
      this._boundEvents = Object.create(null);
      this._bindEvents();
      this._bindMouse();
    }
  
    _createClass(TextLayerBuilder, [{
      key: '_finishRendering',
      value: function _finishRendering() {
        this.renderingDone = true;
        if (!this.enhanceTextSelection) {
          var endOfContent = document.createElement('div');
          endOfContent.className = 'endOfContent';
          this.textLayerDiv.appendChild(endOfContent);
        }
        this.eventBus.dispatch('textlayerrendered', {
          source: this,
          pageNumber: this.pageNumber,
          numTextDivs: this.textDivs.length
        });
      }
    }, {
      key: 'render',
      value: function render() {
        var _this = this;
  
        var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  
        if (!(this.textContent || this.textContentStream) || this.renderingDone) {
          return;
        }
        this.cancel();
        this.textDivs = [];
        var textLayerFrag = document.createDocumentFragment();
        this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
          textContent: this.textContent,
          textContentStream: this.textContentStream,
          container: textLayerFrag,
          viewport: this.viewport,
          textDivs: this.textDivs,
          textContentItemsStr: this.textContentItemsStr,
          timeout: timeout,
          enhanceTextSelection: this.enhanceTextSelection
        });
        this.textLayerRenderTask.promise.then(function () {
          _this.textLayerDiv.appendChild(textLayerFrag);
          _this._finishRendering();
          _this.updateMatches();
        }, function (reason) {});
      }
    }, {
      key: 'cancel',
      value: function cancel() {
        if (this.textLayerRenderTask) {
          this.textLayerRenderTask.cancel();
          this.textLayerRenderTask = null;
        }
      }
    }, {
      key: 'setTextContentStream',
      value: function setTextContentStream(readableStream) {
        this.cancel();
        this.textContentStream = readableStream;
      }
    }, {
      key: 'setTextContent',
      value: function setTextContent(textContent) {
        this.cancel();
        this.textContent = textContent;
      }
    }, {
      key: 'convertMatches',
      value: function convertMatches(matches, matchesLength) {
        var i = 0;
        var iIndex = 0;
        var textContentItemsStr = this.textContentItemsStr;
        var end = textContentItemsStr.length - 1;
        var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
        var ret = [];
        if (!matches) {
          return ret;
        }
        for (var m = 0, len = matches.length; m < len; m++) {
          var matchIdx = matches[m];
          while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
            iIndex += textContentItemsStr[i].length;
            i++;
          }
          if (i === textContentItemsStr.length) {
            console.error('Could not find a matching mapping');
          }
          var match = {
            begin: {
              divIdx: i,
              offset: matchIdx - iIndex
            }
          };
          if (matchesLength) {
            matchIdx += matchesLength[m];
          } else {
            matchIdx += queryLen;
          }
          while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
            iIndex += textContentItemsStr[i].length;
            i++;
          }
          match.end = {
            divIdx: i,
            offset: matchIdx - iIndex
          };
          ret.push(match);
        }
        return ret;
      }
    }, {
      key: 'renderMatches',
      value: function renderMatches(matches) {
        if (matches.length === 0) {
          return;
        }
        var textContentItemsStr = this.textContentItemsStr;
        var textDivs = this.textDivs;
        var prevEnd = null;
        var pageIdx = this.pageIdx;
        var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
        var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
        var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
        var infinity = {
          divIdx: -1,
          offset: undefined
        };
        function beginText(begin, className) {
          var divIdx = begin.divIdx;
          textDivs[divIdx].textContent = '';
          appendTextToDiv(divIdx, 0, begin.offset, className);
        }
        function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
          var div = textDivs[divIdx];
          var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
          var node = document.createTextNode(content);
          if (className) {
            var span = document.createElement('span');
            span.className = className;
            span.appendChild(node);
            div.appendChild(span);
            return;
          }
          div.appendChild(node);
        }
        var i0 = selectedMatchIdx,
            i1 = i0 + 1;
        if (highlightAll) {
          i0 = 0;
          i1 = matches.length;
        } else if (!isSelectedPage) {
          return;
        }
        for (var i = i0; i < i1; i++) {
          var match = matches[i];
          var begin = match.begin;
          var end = match.end;
          var isSelected = isSelectedPage && i === selectedMatchIdx;
          var highlightSuffix = isSelected ? ' selected' : '';
          if (this.findController) {
            if (this.findController.selected.matchIdx === i && this.findController.selected.pageIdx === pageIdx) {
              var spot = {
                top: MATCH_SCROLL_OFFSET_TOP,
                left: MATCH_SCROLL_OFFSET_LEFT
              };
              (0, _ui_utils.scrollIntoView)(textDivs[begin.divIdx], spot, true);
            }
          }
          if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
            if (prevEnd !== null) {
              appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
            }
            beginText(begin);
          } else {
            appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
          }
          if (begin.divIdx === end.divIdx) {
            appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
          } else {
            appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
            for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
              textDivs[n0].className = 'highlight middle' + highlightSuffix;
            }
            beginText(end, 'highlight end' + highlightSuffix);
          }
          prevEnd = end;
        }
        if (prevEnd) {
          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
        }
      }
    }, {
      key: 'updateMatches',
      value: function updateMatches() {
        if (!this.renderingDone) {
          return;
        }
        var matches = this.matches;
        var textDivs = this.textDivs;
        var textContentItemsStr = this.textContentItemsStr;
        var clearedUntilDivIdx = -1;
        for (var i = 0, len = matches.length; i < len; i++) {
          var match = matches[i];
          var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
          for (var n = begin, end = match.end.divIdx; n <= end; n++) {
            var div = textDivs[n];
            div.textContent = textContentItemsStr[n];
            div.className = '';
          }
          clearedUntilDivIdx = match.end.divIdx + 1;
        }
        if (!this.findController || !this.findController.highlightMatches) {
          return;
        }
        var pageMatches = void 0,
            pageMatchesLength = void 0;
        if (this.findController !== null) {
          pageMatches = this.findController.pageMatches[this.pageIdx] || null;
          pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
        }
        this.matches = this.convertMatches(pageMatches, pageMatchesLength);
        this.renderMatches(this.matches);
      }
    }, {
      key: '_bindEvents',
      value: function _bindEvents() {
        var _this2 = this;
  
        var eventBus = this.eventBus,
            _boundEvents = this._boundEvents;
  
        _boundEvents.pageCancelled = function (evt) {
          if (evt.pageNumber !== _this2.pageNumber) {
            return;
          }
          if (_this2.textLayerRenderTask) {
            console.error('TextLayerBuilder._bindEvents: `this.cancel()` should ' + 'have been called when the page was reset, or rendering cancelled.');
            return;
          }
          for (var name in _boundEvents) {
            eventBus.off(name.toLowerCase(), _boundEvents[name]);
            delete _boundEvents[name];
          }
        };
        _boundEvents.updateTextLayerMatches = function (evt) {
          if (evt.pageIndex !== _this2.pageIdx && evt.pageIndex !== -1) {
            return;
          }
          _this2.updateMatches();
        };
        eventBus.on('pagecancelled', _boundEvents.pageCancelled);
        eventBus.on('updatetextlayermatches', _boundEvents.updateTextLayerMatches);
      }
    }, {
      key: '_bindMouse',
      value: function _bindMouse() {
        var _this3 = this;
  
        var div = this.textLayerDiv;
        var expandDivsTimer = null;
        div.addEventListener('mousedown', function (evt) {
          if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
            _this3.textLayerRenderTask.expandTextDivs(true);
            if (expandDivsTimer) {
              clearTimeout(expandDivsTimer);
              expandDivsTimer = null;
            }
            return;
          }
          var end = div.querySelector('.endOfContent');
          if (!end) {
            return;
          }
          var adjustTop = evt.target !== div;
          adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
          if (adjustTop) {
            var divBounds = div.getBoundingClientRect();
            var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
            end.style.top = (r * 100).toFixed(2) + '%';
          }
          end.classList.add('active');
        });
        div.addEventListener('mouseup', function () {
          if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
            expandDivsTimer = setTimeout(function () {
              if (_this3.textLayerRenderTask) {
                _this3.textLayerRenderTask.expandTextDivs(false);
              }
              expandDivsTimer = null;
            }, EXPAND_DIVS_TIMEOUT);
            return;
          }
          var end = div.querySelector('.endOfContent');
          if (!end) {
            return;
          }
          end.style.top = '';
          end.classList.remove('active');
        });
      }
    }]);
  
    return TextLayerBuilder;
  }();
  
  var DefaultTextLayerFactory = function () {
    function DefaultTextLayerFactory() {
      _classCallCheck(this, DefaultTextLayerFactory);
    }
  
    _createClass(DefaultTextLayerFactory, [{
      key: 'createTextLayerBuilder',
      value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
        var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
        return new TextLayerBuilder({
          textLayerDiv: textLayerDiv,
          pageIndex: pageIndex,
          viewport: viewport,
          enhanceTextSelection: enhanceTextSelection
        });
      }
    }]);
  
    return DefaultTextLayerFactory;
  }();
  
  exports.TextLayerBuilder = TextLayerBuilder;
  exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
  
  /***/ }),
  /* 11 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DownloadManager = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  ;
  var DISABLE_CREATE_OBJECT_URL = _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false;
  function _download(blobUrl, filename) {
    var a = document.createElement('a');
    if (!a.click) {
      throw new Error('DownloadManager: "a.click()" is not supported.');
    }
    a.href = blobUrl;
    a.target = '_parent';
    if ('download' in a) {
      a.download = filename;
    }
    (document.body || document.documentElement).appendChild(a);
    a.click();
    a.remove();
  }
  
  var DownloadManager = function () {
    function DownloadManager(_ref) {
      var _ref$disableCreateObj = _ref.disableCreateObjectURL,
          disableCreateObjectURL = _ref$disableCreateObj === undefined ? DISABLE_CREATE_OBJECT_URL : _ref$disableCreateObj;
  
      _classCallCheck(this, DownloadManager);
  
      this.disableCreateObjectURL = disableCreateObjectURL;
    }
  
    _createClass(DownloadManager, [{
      key: 'downloadUrl',
      value: function downloadUrl(url, filename) {
        if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) {
          return;
        }
        _download(url + '#pdfjs.action=download', filename);
      }
    }, {
      key: 'downloadData',
      value: function downloadData(data, filename, contentType) {
        if (navigator.msSaveBlob) {
          return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);
        }
        var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, this.disableCreateObjectURL);
        _download(blobUrl, filename);
      }
    }, {
      key: 'download',
      value: function download(blob, url, filename) {
        if (navigator.msSaveBlob) {
          if (!navigator.msSaveBlob(blob, filename)) {
            this.downloadUrl(url, filename);
          }
          return;
        }
        if (this.disableCreateObjectURL) {
          this.downloadUrl(url, filename);
          return;
        }
        var blobUrl = _pdfjsLib.URL.createObjectURL(blob);
        _download(blobUrl, filename);
      }
    }]);
  
    return DownloadManager;
  }();
  
  exports.DownloadManager = DownloadManager;
  
  /***/ }),
  /* 12 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.GenericL10n = undefined;
  
  var _regenerator = __w_pdfjs_require__(4);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  __w_pdfjs_require__(13);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var webL10n = document.webL10n;
  
  var GenericL10n = function () {
    function GenericL10n(lang) {
      _classCallCheck(this, GenericL10n);
  
      this._lang = lang;
      this._ready = new Promise(function (resolve, reject) {
        webL10n.setLanguage(lang, function () {
          resolve(webL10n);
        });
      });
    }
  
    _createClass(GenericL10n, [{
      key: 'getLanguage',
      value: function () {
        var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
          var l10n;
          return _regenerator2.default.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  _context.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context.sent;
                  return _context.abrupt('return', l10n.getLanguage());
  
                case 4:
                case 'end':
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function getLanguage() {
          return _ref.apply(this, arguments);
        }
  
        return getLanguage;
      }()
    }, {
      key: 'getDirection',
      value: function () {
        var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
          var l10n;
          return _regenerator2.default.wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  _context2.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context2.sent;
                  return _context2.abrupt('return', l10n.getDirection());
  
                case 4:
                case 'end':
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function getDirection() {
          return _ref2.apply(this, arguments);
        }
  
        return getDirection;
      }()
    }, {
      key: 'get',
      value: function () {
        var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3(property, args, fallback) {
          var l10n;
          return _regenerator2.default.wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context3.sent;
                  return _context3.abrupt('return', l10n.get(property, args, fallback));
  
                case 4:
                case 'end':
                  return _context3.stop();
              }
            }
          }, _callee3, this);
        }));
  
        function get(_x, _x2, _x3) {
          return _ref3.apply(this, arguments);
        }
  
        return get;
      }()
    }, {
      key: 'translate',
      value: function () {
        var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(element) {
          var l10n;
          return _regenerator2.default.wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context4.sent;
                  return _context4.abrupt('return', l10n.translate(element));
  
                case 4:
                case 'end':
                  return _context4.stop();
              }
            }
          }, _callee4, this);
        }));
  
        function translate(_x4) {
          return _ref4.apply(this, arguments);
        }
  
        return translate;
      }()
    }]);
  
    return GenericL10n;
  }();
  
  exports.GenericL10n = GenericL10n;
  
  /***/ }),
  /* 13 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  document.webL10n = function (window, document, undefined) {
    var gL10nData = {};
    var gTextData = '';
    var gTextProp = 'textContent';
    var gLanguage = '';
    var gMacros = {};
    var gReadyState = 'loading';
    var gAsyncResourceLoading = true;
    function getL10nResourceLinks() {
      return document.querySelectorAll('link[type="application/l10n"]');
    }
    function getL10nDictionary() {
      var script = document.querySelector('script[type="application/l10n"]');
      return script ? JSON.parse(script.innerHTML) : null;
    }
    function getTranslatableChildren(element) {
      return element ? element.querySelectorAll('*[data-l10n-id]') : [];
    }
    function getL10nAttributes(element) {
      if (!element) return {};
      var l10nId = element.getAttribute('data-l10n-id');
      var l10nArgs = element.getAttribute('data-l10n-args');
      var args = {};
      if (l10nArgs) {
        try {
          args = JSON.parse(l10nArgs);
        } catch (e) {
          console.warn('could not parse arguments for #' + l10nId);
        }
      }
      return {
        id: l10nId,
        args: args
      };
    }
    function fireL10nReadyEvent(lang) {
      var evtObject = document.createEvent('Event');
      evtObject.initEvent('localized', true, false);
      evtObject.language = lang;
      document.dispatchEvent(evtObject);
    }
    function xhrLoadText(url, onSuccess, onFailure) {
      onSuccess = onSuccess || function _onSuccess(data) {};
      onFailure = onFailure || function _onFailure() {};
      var xhr = new XMLHttpRequest();
      xhr.open('GET', url, gAsyncResourceLoading);
      if (xhr.overrideMimeType) {
        xhr.overrideMimeType('text/plain; charset=utf-8');
      }
      xhr.onreadystatechange = function () {
        if (xhr.readyState == 4) {
          if (xhr.status == 200 || xhr.status === 0) {
            onSuccess(xhr.responseText);
          } else {
            onFailure();
          }
        }
      };
      xhr.onerror = onFailure;
      xhr.ontimeout = onFailure;
      try {
        xhr.send(null);
      } catch (e) {
        onFailure();
      }
    }
    function parseResource(href, lang, successCallback, failureCallback) {
      var baseURL = href.replace(/[^\/]*$/, '') || './';
      function evalString(text) {
        if (text.lastIndexOf('\\') < 0) return text;
        return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
      }
      function parseProperties(text, parsedPropertiesCallback) {
        var dictionary = {};
        var reBlank = /^\s*|\s*$/;
        var reComment = /^\s*#|^\s*$/;
        var reSection = /^\s*\[(.*)\]\s*$/;
        var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
        var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
        function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
          var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
          var currentLang = '*';
          var genericLang = lang.split('-', 1)[0];
          var skipLang = false;
          var match = '';
          function nextEntry() {
            while (true) {
              if (!entries.length) {
                parsedRawLinesCallback();
                return;
              }
              var line = entries.shift();
              if (reComment.test(line)) continue;
              if (extendedSyntax) {
                match = reSection.exec(line);
                if (match) {
                  currentLang = match[1].toLowerCase();
                  skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
                  continue;
                } else if (skipLang) {
                  continue;
                }
                match = reImport.exec(line);
                if (match) {
                  loadImport(baseURL + match[1], nextEntry);
                  return;
                }
              }
              var tmp = line.match(reSplit);
              if (tmp && tmp.length == 3) {
                dictionary[tmp[1]] = evalString(tmp[2]);
              }
            }
          }
          nextEntry();
        }
        function loadImport(url, callback) {
          xhrLoadText(url, function (content) {
            parseRawLines(content, false, callback);
          }, function () {
            console.warn(url + ' not found.');
            callback();
          });
        }
        parseRawLines(text, true, function () {
          parsedPropertiesCallback(dictionary);
        });
      }
      xhrLoadText(href, function (response) {
        gTextData += response;
        parseProperties(response, function (data) {
          for (var key in data) {
            var id,
                prop,
                index = key.lastIndexOf('.');
            if (index > 0) {
              id = key.substring(0, index);
              prop = key.substring(index + 1);
            } else {
              id = key;
              prop = gTextProp;
            }
            if (!gL10nData[id]) {
              gL10nData[id] = {};
            }
            gL10nData[id][prop] = data[key];
          }
          if (successCallback) {
            successCallback();
          }
        });
      }, failureCallback);
    }
    function loadLocale(lang, callback) {
      if (lang) {
        lang = lang.toLowerCase();
      }
      callback = callback || function _callback() {};
      clear();
      gLanguage = lang;
      var langLinks = getL10nResourceLinks();
      var langCount = langLinks.length;
      if (langCount === 0) {
        var dict = getL10nDictionary();
        if (dict && dict.locales && dict.default_locale) {
          console.log('using the embedded JSON directory, early way out');
          gL10nData = dict.locales[lang];
          if (!gL10nData) {
            var defaultLocale = dict.default_locale.toLowerCase();
            for (var anyCaseLang in dict.locales) {
              anyCaseLang = anyCaseLang.toLowerCase();
              if (anyCaseLang === lang) {
                gL10nData = dict.locales[lang];
                break;
              } else if (anyCaseLang === defaultLocale) {
                gL10nData = dict.locales[defaultLocale];
              }
            }
          }
          callback();
        } else {
          console.log('no resource to load, early way out');
        }
        fireL10nReadyEvent(lang);
        gReadyState = 'complete';
        return;
      }
      var onResourceLoaded = null;
      var gResourceCount = 0;
      onResourceLoaded = function onResourceLoaded() {
        gResourceCount++;
        if (gResourceCount >= langCount) {
          callback();
          fireL10nReadyEvent(lang);
          gReadyState = 'complete';
        }
      };
      function L10nResourceLink(link) {
        var href = link.href;
        this.load = function (lang, callback) {
          parseResource(href, lang, callback, function () {
            console.warn(href + ' not found.');
            console.warn('"' + lang + '" resource not found');
            gLanguage = '';
            callback();
          });
        };
      }
      for (var i = 0; i < langCount; i++) {
        var resource = new L10nResourceLink(langLinks[i]);
        resource.load(lang, onResourceLoaded);
      }
    }
    function clear() {
      gL10nData = {};
      gTextData = '';
      gLanguage = '';
    }
    function getPluralRules(lang) {
      var locales2rules = {
        'af': 3,
        'ak': 4,
        'am': 4,
        'ar': 1,
        'asa': 3,
        'az': 0,
        'be': 11,
        'bem': 3,
        'bez': 3,
        'bg': 3,
        'bh': 4,
        'bm': 0,
        'bn': 3,
        'bo': 0,
        'br': 20,
        'brx': 3,
        'bs': 11,
        'ca': 3,
        'cgg': 3,
        'chr': 3,
        'cs': 12,
        'cy': 17,
        'da': 3,
        'de': 3,
        'dv': 3,
        'dz': 0,
        'ee': 3,
        'el': 3,
        'en': 3,
        'eo': 3,
        'es': 3,
        'et': 3,
        'eu': 3,
        'fa': 0,
        'ff': 5,
        'fi': 3,
        'fil': 4,
        'fo': 3,
        'fr': 5,
        'fur': 3,
        'fy': 3,
        'ga': 8,
        'gd': 24,
        'gl': 3,
        'gsw': 3,
        'gu': 3,
        'guw': 4,
        'gv': 23,
        'ha': 3,
        'haw': 3,
        'he': 2,
        'hi': 4,
        'hr': 11,
        'hu': 0,
        'id': 0,
        'ig': 0,
        'ii': 0,
        'is': 3,
        'it': 3,
        'iu': 7,
        'ja': 0,
        'jmc': 3,
        'jv': 0,
        'ka': 0,
        'kab': 5,
        'kaj': 3,
        'kcg': 3,
        'kde': 0,
        'kea': 0,
        'kk': 3,
        'kl': 3,
        'km': 0,
        'kn': 0,
        'ko': 0,
        'ksb': 3,
        'ksh': 21,
        'ku': 3,
        'kw': 7,
        'lag': 18,
        'lb': 3,
        'lg': 3,
        'ln': 4,
        'lo': 0,
        'lt': 10,
        'lv': 6,
        'mas': 3,
        'mg': 4,
        'mk': 16,
        'ml': 3,
        'mn': 3,
        'mo': 9,
        'mr': 3,
        'ms': 0,
        'mt': 15,
        'my': 0,
        'nah': 3,
        'naq': 7,
        'nb': 3,
        'nd': 3,
        'ne': 3,
        'nl': 3,
        'nn': 3,
        'no': 3,
        'nr': 3,
        'nso': 4,
        'ny': 3,
        'nyn': 3,
        'om': 3,
        'or': 3,
        'pa': 3,
        'pap': 3,
        'pl': 13,
        'ps': 3,
        'pt': 3,
        'rm': 3,
        'ro': 9,
        'rof': 3,
        'ru': 11,
        'rwk': 3,
        'sah': 0,
        'saq': 3,
        'se': 7,
        'seh': 3,
        'ses': 0,
        'sg': 0,
        'sh': 11,
        'shi': 19,
        'sk': 12,
        'sl': 14,
        'sma': 7,
        'smi': 7,
        'smj': 7,
        'smn': 7,
        'sms': 7,
        'sn': 3,
        'so': 3,
        'sq': 3,
        'sr': 11,
        'ss': 3,
        'ssy': 3,
        'st': 3,
        'sv': 3,
        'sw': 3,
        'syr': 3,
        'ta': 3,
        'te': 3,
        'teo': 3,
        'th': 0,
        'ti': 4,
        'tig': 3,
        'tk': 3,
        'tl': 4,
        'tn': 3,
        'to': 0,
        'tr': 0,
        'ts': 3,
        'tzm': 22,
        'uk': 11,
        'ur': 3,
        've': 3,
        'vi': 0,
        'vun': 3,
        'wa': 4,
        'wae': 3,
        'wo': 0,
        'xh': 3,
        'xog': 3,
        'yo': 0,
        'zh': 0,
        'zu': 3
      };
      function isIn(n, list) {
        return list.indexOf(n) !== -1;
      }
      function isBetween(n, start, end) {
        return start <= n && n <= end;
      }
      var pluralRules = {
        '0': function _(n) {
          return 'other';
        },
        '1': function _(n) {
          if (isBetween(n % 100, 3, 10)) return 'few';
          if (n === 0) return 'zero';
          if (isBetween(n % 100, 11, 99)) return 'many';
          if (n == 2) return 'two';
          if (n == 1) return 'one';
          return 'other';
        },
        '2': function _(n) {
          if (n !== 0 && n % 10 === 0) return 'many';
          if (n == 2) return 'two';
          if (n == 1) return 'one';
          return 'other';
        },
        '3': function _(n) {
          if (n == 1) return 'one';
          return 'other';
        },
        '4': function _(n) {
          if (isBetween(n, 0, 1)) return 'one';
          return 'other';
        },
        '5': function _(n) {
          if (isBetween(n, 0, 2) && n != 2) return 'one';
          return 'other';
        },
        '6': function _(n) {
          if (n === 0) return 'zero';
          if (n % 10 == 1 && n % 100 != 11) return 'one';
          return 'other';
        },
        '7': function _(n) {
          if (n == 2) return 'two';
          if (n == 1) return 'one';
          return 'other';
        },
        '8': function _(n) {
          if (isBetween(n, 3, 6)) return 'few';
          if (isBetween(n, 7, 10)) return 'many';
          if (n == 2) return 'two';
          if (n == 1) return 'one';
          return 'other';
        },
        '9': function _(n) {
          if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
          if (n == 1) return 'one';
          return 'other';
        },
        '10': function _(n) {
          if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
          if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
          return 'other';
        },
        '11': function _(n) {
          if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
          if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
          if (n % 10 == 1 && n % 100 != 11) return 'one';
          return 'other';
        },
        '12': function _(n) {
          if (isBetween(n, 2, 4)) return 'few';
          if (n == 1) return 'one';
          return 'other';
        },
        '13': function _(n) {
          if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
          if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
          if (n == 1) return 'one';
          return 'other';
        },
        '14': function _(n) {
          if (isBetween(n % 100, 3, 4)) return 'few';
          if (n % 100 == 2) return 'two';
          if (n % 100 == 1) return 'one';
          return 'other';
        },
        '15': function _(n) {
          if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
          if (isBetween(n % 100, 11, 19)) return 'many';
          if (n == 1) return 'one';
          return 'other';
        },
        '16': function _(n) {
          if (n % 10 == 1 && n != 11) return 'one';
          return 'other';
        },
        '17': function _(n) {
          if (n == 3) return 'few';
          if (n === 0) return 'zero';
          if (n == 6) return 'many';
          if (n == 2) return 'two';
          if (n == 1) return 'one';
          return 'other';
        },
        '18': function _(n) {
          if (n === 0) return 'zero';
          if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
          return 'other';
        },
        '19': function _(n) {
          if (isBetween(n, 2, 10)) return 'few';
          if (isBetween(n, 0, 1)) return 'one';
          return 'other';
        },
        '20': function _(n) {
          if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
          if (n % 1000000 === 0 && n !== 0) return 'many';
          if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
          if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
          return 'other';
        },
        '21': function _(n) {
          if (n === 0) return 'zero';
          if (n == 1) return 'one';
          return 'other';
        },
        '22': function _(n) {
          if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
          return 'other';
        },
        '23': function _(n) {
          if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
          return 'other';
        },
        '24': function _(n) {
          if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
          if (isIn(n, [2, 12])) return 'two';
          if (isIn(n, [1, 11])) return 'one';
          return 'other';
        }
      };
      var index = locales2rules[lang.replace(/-.*$/, '')];
      if (!(index in pluralRules)) {
        console.warn('plural form unknown for [' + lang + ']');
        return function () {
          return 'other';
        };
      }
      return pluralRules[index];
    }
    gMacros.plural = function (str, param, key, prop) {
      var n = parseFloat(param);
      if (isNaN(n)) return str;
      if (prop != gTextProp) return str;
      if (!gMacros._pluralRules) {
        gMacros._pluralRules = getPluralRules(gLanguage);
      }
      var index = '[' + gMacros._pluralRules(n) + ']';
      if (n === 0 && key + '[zero]' in gL10nData) {
        str = gL10nData[key + '[zero]'][prop];
      } else if (n == 1 && key + '[one]' in gL10nData) {
        str = gL10nData[key + '[one]'][prop];
      } else if (n == 2 && key + '[two]' in gL10nData) {
        str = gL10nData[key + '[two]'][prop];
      } else if (key + index in gL10nData) {
        str = gL10nData[key + index][prop];
      } else if (key + '[other]' in gL10nData) {
        str = gL10nData[key + '[other]'][prop];
      }
      return str;
    };
    function getL10nData(key, args, fallback) {
      var data = gL10nData[key];
      if (!data) {
        console.warn('#' + key + ' is undefined.');
        if (!fallback) {
          return null;
        }
        data = fallback;
      }
      var rv = {};
      for (var prop in data) {
        var str = data[prop];
        str = substIndexes(str, args, key, prop);
        str = substArguments(str, args, key);
        rv[prop] = str;
      }
      return rv;
    }
    function substIndexes(str, args, key, prop) {
      var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
      var reMatch = reIndex.exec(str);
      if (!reMatch || !reMatch.length) return str;
      var macroName = reMatch[1];
      var paramName = reMatch[2];
      var param;
      if (args && paramName in args) {
        param = args[paramName];
      } else if (paramName in gL10nData) {
        param = gL10nData[paramName];
      }
      if (macroName in gMacros) {
        var macro = gMacros[macroName];
        str = macro(str, param, key, prop);
      }
      return str;
    }
    function substArguments(str, args, key) {
      var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
      return str.replace(reArgs, function (matched_text, arg) {
        if (args && arg in args) {
          return args[arg];
        }
        if (arg in gL10nData) {
          return gL10nData[arg];
        }
        console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
        return matched_text;
      });
    }
    function translateElement(element) {
      var l10n = getL10nAttributes(element);
      if (!l10n.id) return;
      var data = getL10nData(l10n.id, l10n.args);
      if (!data) {
        console.warn('#' + l10n.id + ' is undefined.');
        return;
      }
      if (data[gTextProp]) {
        if (getChildElementCount(element) === 0) {
          element[gTextProp] = data[gTextProp];
        } else {
          var children = element.childNodes;
          var found = false;
          for (var i = 0, l = children.length; i < l; i++) {
            if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
              if (found) {
                children[i].nodeValue = '';
              } else {
                children[i].nodeValue = data[gTextProp];
                found = true;
              }
            }
          }
          if (!found) {
            var textNode = document.createTextNode(data[gTextProp]);
            element.insertBefore(textNode, element.firstChild);
          }
        }
        delete data[gTextProp];
      }
      for (var k in data) {
        element[k] = data[k];
      }
    }
    function getChildElementCount(element) {
      if (element.children) {
        return element.children.length;
      }
      if (typeof element.childElementCount !== 'undefined') {
        return element.childElementCount;
      }
      var count = 0;
      for (var i = 0; i < element.childNodes.length; i++) {
        count += element.nodeType === 1 ? 1 : 0;
      }
      return count;
    }
    function translateFragment(element) {
      element = element || document.documentElement;
      var children = getTranslatableChildren(element);
      var elementCount = children.length;
      for (var i = 0; i < elementCount; i++) {
        translateElement(children[i]);
      }
      translateElement(element);
    }
    return {
      get: function get(key, args, fallbackString) {
        var index = key.lastIndexOf('.');
        var prop = gTextProp;
        if (index > 0) {
          prop = key.substring(index + 1);
          key = key.substring(0, index);
        }
        var fallback;
        if (fallbackString) {
          fallback = {};
          fallback[prop] = fallbackString;
        }
        var data = getL10nData(key, args, fallback);
        if (data && prop in data) {
          return data[prop];
        }
        return '{{' + key + '}}';
      },
      getData: function getData() {
        return gL10nData;
      },
      getText: function getText() {
        return gTextData;
      },
      getLanguage: function getLanguage() {
        return gLanguage;
      },
      setLanguage: function setLanguage(lang, callback) {
        loadLocale(lang, function () {
          if (callback) callback();
        });
      },
      getDirection: function getDirection() {
        var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
        var shortCode = gLanguage.split('-', 1)[0];
        return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
      },
      translate: translateFragment,
      getReadyState: function getReadyState() {
        return gReadyState;
      },
      ready: function ready(callback) {
        if (!callback) {
          return;
        } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
          window.setTimeout(function () {
            callback();
          });
        } else if (document.addEventListener) {
          document.addEventListener('localized', function once() {
            document.removeEventListener('localized', once);
            callback();
          });
        }
      }
    };
  }(window, document);
  
  /***/ }),
  /* 14 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFFindController = exports.FindState = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  var _pdf_find_utils = __w_pdfjs_require__(15);
  
  var _dom_events = __w_pdfjs_require__(9);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var FindState = {
    FOUND: 0,
    NOT_FOUND: 1,
    WRAPPED: 2,
    PENDING: 3
  };
  var FIND_TIMEOUT = 250;
  var CHARACTERS_TO_NORMALIZE = {
    '\u2018': '\'',
    '\u2019': '\'',
    '\u201A': '\'',
    '\u201B': '\'',
    '\u201C': '"',
    '\u201D': '"',
    '\u201E': '"',
    '\u201F': '"',
    '\xBC': '1/4',
    '\xBD': '1/2',
    '\xBE': '3/4'
  };
  
  var PDFFindController = function () {
    function PDFFindController(_ref) {
      var linkService = _ref.linkService,
          _ref$eventBus = _ref.eventBus,
          eventBus = _ref$eventBus === undefined ? (0, _dom_events.getGlobalEventBus)() : _ref$eventBus;
  
      _classCallCheck(this, PDFFindController);
  
      this._linkService = linkService;
      this._eventBus = eventBus;
      this._reset();
      eventBus.on('findbarclose', this._onFindBarClose.bind(this));
      var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
      this._normalizationRegex = new RegExp('[' + replace + ']', 'g');
    }
  
    _createClass(PDFFindController, [{
      key: 'setDocument',
      value: function setDocument(pdfDocument) {
        if (this._pdfDocument) {
          this._reset();
        }
        if (!pdfDocument) {
          return;
        }
        this._pdfDocument = pdfDocument;
        this._firstPageCapability.resolve();
      }
    }, {
      key: 'executeCommand',
      value: function executeCommand(cmd, state) {
        var _this = this;
  
        var pdfDocument = this._pdfDocument;
        if (this._state === null || cmd !== 'findagain') {
          this._dirtyMatch = true;
        }
        this._state = state;
        this._updateUIState(FindState.PENDING);
        this._firstPageCapability.promise.then(function () {
          if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
            return;
          }
          _this._extractText();
          if (_this._findTimeout) {
            clearTimeout(_this._findTimeout);
            _this._findTimeout = null;
          }
          if (cmd === 'find') {
            _this._findTimeout = setTimeout(function () {
              _this._nextMatch();
              _this._findTimeout = null;
            }, FIND_TIMEOUT);
          } else {
            _this._nextMatch();
          }
        });
      }
    }, {
      key: '_reset',
      value: function _reset() {
        this._highlightMatches = false;
        this._pdfDocument = null;
        this._pageMatches = [];
        this._pageMatchesLength = null;
        this._state = null;
        this._selected = {
          pageIdx: -1,
          matchIdx: -1
        };
        this._offset = {
          pageIdx: null,
          matchIdx: null
        };
        this._extractTextPromises = [];
        this._pageContents = [];
        this._matchesCountTotal = 0;
        this._pagesToSearch = null;
        this._pendingFindMatches = Object.create(null);
        this._resumePageIdx = null;
        this._dirtyMatch = false;
        clearTimeout(this._findTimeout);
        this._findTimeout = null;
        this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
      }
    }, {
      key: '_normalize',
      value: function _normalize(text) {
        return text.replace(this._normalizationRegex, function (ch) {
          return CHARACTERS_TO_NORMALIZE[ch];
        });
      }
    }, {
      key: '_prepareMatches',
      value: function _prepareMatches(matchesWithLength, matches, matchesLength) {
        function isSubTerm(matchesWithLength, currentIndex) {
          var currentElem = matchesWithLength[currentIndex];
          var nextElem = matchesWithLength[currentIndex + 1];
          if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
            currentElem.skipped = true;
            return true;
          }
          for (var i = currentIndex - 1; i >= 0; i--) {
            var prevElem = matchesWithLength[i];
            if (prevElem.skipped) {
              continue;
            }
            if (prevElem.match + prevElem.matchLength < currentElem.match) {
              break;
            }
            if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
              currentElem.skipped = true;
              return true;
            }
          }
          return false;
        }
        matchesWithLength.sort(function (a, b) {
          return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
        });
        for (var i = 0, len = matchesWithLength.length; i < len; i++) {
          if (isSubTerm(matchesWithLength, i)) {
            continue;
          }
          matches.push(matchesWithLength[i].match);
          matchesLength.push(matchesWithLength[i].matchLength);
        }
      }
    }, {
      key: '_isEntireWord',
      value: function _isEntireWord(content, startIdx, length) {
        if (startIdx > 0) {
          var first = content.charCodeAt(startIdx);
          var limit = content.charCodeAt(startIdx - 1);
          if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
            return false;
          }
        }
        var endIdx = startIdx + length - 1;
        if (endIdx < content.length - 1) {
          var last = content.charCodeAt(endIdx);
          var _limit = content.charCodeAt(endIdx + 1);
          if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
            return false;
          }
        }
        return true;
      }
    }, {
      key: '_calculatePhraseMatch',
      value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
        var matches = [];
        var queryLen = query.length;
        var matchIdx = -queryLen;
        while (true) {
          matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
          if (matchIdx === -1) {
            break;
          }
          if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
            continue;
          }
          matches.push(matchIdx);
        }
        this._pageMatches[pageIndex] = matches;
      }
    }, {
      key: '_calculateWordMatch',
      value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
        var matchesWithLength = [];
        var queryArray = query.match(/\S+/g);
        for (var i = 0, len = queryArray.length; i < len; i++) {
          var subquery = queryArray[i];
          var subqueryLen = subquery.length;
          var matchIdx = -subqueryLen;
          while (true) {
            matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
            if (matchIdx === -1) {
              break;
            }
            if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
              continue;
            }
            matchesWithLength.push({
              match: matchIdx,
              matchLength: subqueryLen,
              skipped: false
            });
          }
        }
        if (!this._pageMatchesLength) {
          this._pageMatchesLength = [];
        }
        this._pageMatchesLength[pageIndex] = [];
        this._pageMatches[pageIndex] = [];
        this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
      }
    }, {
      key: '_calculateMatch',
      value: function _calculateMatch(pageIndex) {
        var pageContent = this._normalize(this._pageContents[pageIndex]);
        var query = this._normalize(this._state.query);
        var _state = this._state,
            caseSensitive = _state.caseSensitive,
            entireWord = _state.entireWord,
            phraseSearch = _state.phraseSearch;
  
        if (query.length === 0) {
          return;
        }
        if (!caseSensitive) {
          pageContent = pageContent.toLowerCase();
          query = query.toLowerCase();
        }
        if (phraseSearch) {
          this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
        } else {
          this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
        }
        this._updatePage(pageIndex);
        if (this._resumePageIdx === pageIndex) {
          this._resumePageIdx = null;
          this._nextPageMatch();
        }
        var pageMatchesCount = this._pageMatches[pageIndex].length;
        if (pageMatchesCount > 0) {
          this._matchesCountTotal += pageMatchesCount;
          this._updateUIResultsCount();
        }
      }
    }, {
      key: '_extractText',
      value: function _extractText() {
        var _this2 = this;
  
        if (this._extractTextPromises.length > 0) {
          return;
        }
        var promise = Promise.resolve();
  
        var _loop = function _loop(i, ii) {
          var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
          _this2._extractTextPromises[i] = extractTextCapability.promise;
          promise = promise.then(function () {
            return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
              return pdfPage.getTextContent({ normalizeWhitespace: true });
            }).then(function (textContent) {
              var textItems = textContent.items;
              var strBuf = [];
              for (var j = 0, jj = textItems.length; j < jj; j++) {
                strBuf.push(textItems[j].str);
              }
              _this2._pageContents[i] = strBuf.join('');
              extractTextCapability.resolve(i);
            }, function (reason) {
              console.error('Unable to get text content for page ' + (i + 1), reason);
              _this2._pageContents[i] = '';
              extractTextCapability.resolve(i);
            });
          });
        };
  
        for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
          _loop(i, ii);
        }
      }
    }, {
      key: '_updatePage',
      value: function _updatePage(index) {
        if (this._selected.pageIdx === index) {
          this._linkService.page = index + 1;
        }
        this._eventBus.dispatch('updatetextlayermatches', {
          source: this,
          pageIndex: index
        });
      }
    }, {
      key: '_nextMatch',
      value: function _nextMatch() {
        var _this3 = this;
  
        var previous = this._state.findPrevious;
        var currentPageIndex = this._linkService.page - 1;
        var numPages = this._linkService.pagesCount;
        this._highlightMatches = true;
        if (this._dirtyMatch) {
          this._dirtyMatch = false;
          this._selected.pageIdx = this._selected.matchIdx = -1;
          this._offset.pageIdx = currentPageIndex;
          this._offset.matchIdx = null;
          this._resumePageIdx = null;
          this._pageMatches.length = 0;
          this._pageMatchesLength = null;
          this._matchesCountTotal = 0;
          for (var i = 0; i < numPages; i++) {
            this._updatePage(i);
            if (!(i in this._pendingFindMatches)) {
              this._pendingFindMatches[i] = true;
              this._extractTextPromises[i].then(function (pageIdx) {
                delete _this3._pendingFindMatches[pageIdx];
                _this3._calculateMatch(pageIdx);
              });
            }
          }
        }
        if (this._state.query === '') {
          this._updateUIState(FindState.FOUND);
          return;
        }
        if (this._resumePageIdx) {
          return;
        }
        var offset = this._offset;
        this._pagesToSearch = numPages;
        if (offset.matchIdx !== null) {
          var numPageMatches = this._pageMatches[offset.pageIdx].length;
          if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
            offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
            this._updateMatch(true);
            return;
          }
          this._advanceOffsetPage(previous);
        }
        this._nextPageMatch();
      }
    }, {
      key: '_matchesReady',
      value: function _matchesReady(matches) {
        var offset = this._offset;
        var numMatches = matches.length;
        var previous = this._state.findPrevious;
        if (numMatches) {
          offset.matchIdx = previous ? numMatches - 1 : 0;
          this._updateMatch(true);
          return true;
        }
        this._advanceOffsetPage(previous);
        if (offset.wrapped) {
          offset.matchIdx = null;
          if (this._pagesToSearch < 0) {
            this._updateMatch(false);
            return true;
          }
        }
        return false;
      }
    }, {
      key: '_nextPageMatch',
      value: function _nextPageMatch() {
        if (this._resumePageIdx !== null) {
          console.error('There can only be one pending page.');
        }
        var matches = null;
        do {
          var pageIdx = this._offset.pageIdx;
          matches = this._pageMatches[pageIdx];
          if (!matches) {
            this._resumePageIdx = pageIdx;
            break;
          }
        } while (!this._matchesReady(matches));
      }
    }, {
      key: '_advanceOffsetPage',
      value: function _advanceOffsetPage(previous) {
        var offset = this._offset;
        var numPages = this._linkService.pagesCount;
        offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
        offset.matchIdx = null;
        this._pagesToSearch--;
        if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
          offset.pageIdx = previous ? numPages - 1 : 0;
          offset.wrapped = true;
        }
      }
    }, {
      key: '_updateMatch',
      value: function _updateMatch() {
        var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        var state = FindState.NOT_FOUND;
        var wrapped = this._offset.wrapped;
        this._offset.wrapped = false;
        if (found) {
          var previousPage = this._selected.pageIdx;
          this._selected.pageIdx = this._offset.pageIdx;
          this._selected.matchIdx = this._offset.matchIdx;
          state = wrapped ? FindState.WRAPPED : FindState.FOUND;
          if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
            this._updatePage(previousPage);
          }
        }
        this._updateUIState(state, this._state.findPrevious);
        if (this._selected.pageIdx !== -1) {
          this._updatePage(this._selected.pageIdx);
        }
      }
    }, {
      key: '_onFindBarClose',
      value: function _onFindBarClose(evt) {
        var _this4 = this;
  
        var pdfDocument = this._pdfDocument;
        this._firstPageCapability.promise.then(function () {
          if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
            return;
          }
          if (_this4._findTimeout) {
            clearTimeout(_this4._findTimeout);
            _this4._findTimeout = null;
            _this4._updateUIState(FindState.FOUND);
          }
          _this4._highlightMatches = false;
          _this4._eventBus.dispatch('updatetextlayermatches', {
            source: _this4,
            pageIndex: -1
          });
        });
      }
    }, {
      key: '_requestMatchesCount',
      value: function _requestMatchesCount() {
        var _selected = this._selected,
            pageIdx = _selected.pageIdx,
            matchIdx = _selected.matchIdx;
  
        var current = 0,
            total = this._matchesCountTotal;
        if (matchIdx !== -1) {
          for (var i = 0; i < pageIdx; i++) {
            current += this._pageMatches[i] && this._pageMatches[i].length || 0;
          }
          current += matchIdx + 1;
        }
        if (current < 1 || current > total) {
          current = total = 0;
        }
        return {
          current: current,
          total: total
        };
      }
    }, {
      key: '_updateUIResultsCount',
      value: function _updateUIResultsCount() {
        this._eventBus.dispatch('updatefindmatchescount', {
          source: this,
          matchesCount: this._requestMatchesCount()
        });
      }
    }, {
      key: '_updateUIState',
      value: function _updateUIState(state, previous) {
        this._eventBus.dispatch('updatefindcontrolstate', {
          source: this,
          state: state,
          previous: previous,
          matchesCount: this._requestMatchesCount()
        });
      }
    }, {
      key: 'highlightMatches',
      get: function get() {
        return this._highlightMatches;
      }
    }, {
      key: 'pageMatches',
      get: function get() {
        return this._pageMatches;
      }
    }, {
      key: 'pageMatchesLength',
      get: function get() {
        return this._pageMatchesLength;
      }
    }, {
      key: 'selected',
      get: function get() {
        return this._selected;
      }
    }, {
      key: 'state',
      get: function get() {
        return this._state;
      }
    }]);
  
    return PDFFindController;
  }();
  
  exports.FindState = FindState;
  exports.PDFFindController = PDFFindController;
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  var CharacterType = {
    SPACE: 0,
    ALPHA_LETTER: 1,
    PUNCT: 2,
    HAN_LETTER: 3,
    KATAKANA_LETTER: 4,
    HIRAGANA_LETTER: 5,
    HALFWIDTH_KATAKANA_LETTER: 6,
    THAI_LETTER: 7
  };
  function isAlphabeticalScript(charCode) {
    return charCode < 0x2E80;
  }
  function isAscii(charCode) {
    return (charCode & 0xFF80) === 0;
  }
  function isAsciiAlpha(charCode) {
    return charCode >= 0x61 && charCode <= 0x7A || charCode >= 0x41 && charCode <= 0x5A;
  }
  function isAsciiDigit(charCode) {
    return charCode >= 0x30 && charCode <= 0x39;
  }
  function isAsciiSpace(charCode) {
    return charCode === 0x20 || charCode === 0x09 || charCode === 0x0D || charCode === 0x0A;
  }
  function isHan(charCode) {
    return charCode >= 0x3400 && charCode <= 0x9FFF || charCode >= 0xF900 && charCode <= 0xFAFF;
  }
  function isKatakana(charCode) {
    return charCode >= 0x30A0 && charCode <= 0x30FF;
  }
  function isHiragana(charCode) {
    return charCode >= 0x3040 && charCode <= 0x309F;
  }
  function isHalfwidthKatakana(charCode) {
    return charCode >= 0xFF60 && charCode <= 0xFF9F;
  }
  function isThai(charCode) {
    return (charCode & 0xFF80) === 0x0E00;
  }
  function getCharacterType(charCode) {
    if (isAlphabeticalScript(charCode)) {
      if (isAscii(charCode)) {
        if (isAsciiSpace(charCode)) {
          return CharacterType.SPACE;
        } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5F) {
          return CharacterType.ALPHA_LETTER;
        }
        return CharacterType.PUNCT;
      } else if (isThai(charCode)) {
        return CharacterType.THAI_LETTER;
      } else if (charCode === 0xA0) {
        return CharacterType.SPACE;
      }
      return CharacterType.ALPHA_LETTER;
    }
    if (isHan(charCode)) {
      return CharacterType.HAN_LETTER;
    } else if (isKatakana(charCode)) {
      return CharacterType.KATAKANA_LETTER;
    } else if (isHiragana(charCode)) {
      return CharacterType.HIRAGANA_LETTER;
    } else if (isHalfwidthKatakana(charCode)) {
      return CharacterType.HALFWIDTH_KATAKANA_LETTER;
    }
    return CharacterType.ALPHA_LETTER;
  }
  exports.CharacterType = CharacterType;
  exports.getCharacterType = getCharacterType;
  
  /***/ }),
  /* 16 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.isDestArraysEqual = exports.isDestHashesEqual = exports.PDFHistory = undefined;
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _dom_events = __w_pdfjs_require__(9);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var HASH_CHANGE_TIMEOUT = 1000;
  var POSITION_UPDATED_THRESHOLD = 50;
  var UPDATE_VIEWAREA_TIMEOUT = 1000;
  function getCurrentHash() {
    return document.location.hash;
  }
  function parseCurrentHash(linkService) {
    var hash = unescape(getCurrentHash()).substring(1);
    var params = (0, _ui_utils.parseQueryString)(hash);
    var page = params.page | 0;
    if (!(Number.isInteger(page) && page > 0 && page <= linkService.pagesCount)) {
      page = null;
    }
    return {
      hash: hash,
      page: page,
      rotation: linkService.rotation
    };
  }
  
  var PDFHistory = function () {
    function PDFHistory(_ref) {
      var _this = this;
  
      var linkService = _ref.linkService,
          eventBus = _ref.eventBus;
  
      _classCallCheck(this, PDFHistory);
  
      this.linkService = linkService;
      this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
      this.initialized = false;
      this.initialBookmark = null;
      this.initialRotation = null;
      this._boundEvents = Object.create(null);
      this._isViewerInPresentationMode = false;
      this._isPagesLoaded = false;
      this.eventBus.on('presentationmodechanged', function (evt) {
        _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
      });
      this.eventBus.on('pagesloaded', function (evt) {
        _this._isPagesLoaded = !!evt.pagesCount;
      });
    }
  
    _createClass(PDFHistory, [{
      key: 'initialize',
      value: function initialize(fingerprint) {
        var resetHistory = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        if (!fingerprint || typeof fingerprint !== 'string') {
          console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
          return;
        }
        var reInitialized = this.initialized && this.fingerprint !== fingerprint;
        this.fingerprint = fingerprint;
        if (!this.initialized) {
          this._bindEvents();
        }
        var state = window.history.state;
        this.initialized = true;
        this.initialBookmark = null;
        this.initialRotation = null;
        this._popStateInProgress = false;
        this._blockHashChange = 0;
        this._currentHash = getCurrentHash();
        this._numPositionUpdates = 0;
        this._uid = this._maxUid = 0;
        this._destination = null;
        this._position = null;
        if (!this._isValidState(state) || resetHistory) {
          var _parseCurrentHash = parseCurrentHash(this.linkService),
              hash = _parseCurrentHash.hash,
              page = _parseCurrentHash.page,
              rotation = _parseCurrentHash.rotation;
  
          if (!hash || reInitialized || resetHistory) {
            this._pushOrReplaceState(null, true);
            return;
          }
          this._pushOrReplaceState({
            hash: hash,
            page: page,
            rotation: rotation
          }, true);
          return;
        }
        var destination = state.destination;
        this._updateInternalState(destination, state.uid, true);
        if (this._uid > this._maxUid) {
          this._maxUid = this._uid;
        }
        if (destination.rotation !== undefined) {
          this.initialRotation = destination.rotation;
        }
        if (destination.dest) {
          this.initialBookmark = JSON.stringify(destination.dest);
          this._destination.page = null;
        } else if (destination.hash) {
          this.initialBookmark = destination.hash;
        } else if (destination.page) {
          this.initialBookmark = 'page=' + destination.page;
        }
      }
    }, {
      key: 'push',
      value: function push(_ref2) {
        var _this2 = this;
  
        var namedDest = _ref2.namedDest,
            explicitDest = _ref2.explicitDest,
            pageNumber = _ref2.pageNumber;
  
        if (!this.initialized) {
          return;
        }
        if (namedDest && typeof namedDest !== 'string' || !Array.isArray(explicitDest) || !(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
          console.error('PDFHistory.push: Invalid parameters.');
          return;
        }
        var hash = namedDest || JSON.stringify(explicitDest);
        if (!hash) {
          return;
        }
        var forceReplace = false;
        if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
          if (this._destination.page) {
            return;
          }
          forceReplace = true;
        }
        if (this._popStateInProgress && !forceReplace) {
          return;
        }
        this._pushOrReplaceState({
          dest: explicitDest,
          hash: hash,
          page: pageNumber,
          rotation: this.linkService.rotation
        }, forceReplace);
        if (!this._popStateInProgress) {
          this._popStateInProgress = true;
          Promise.resolve().then(function () {
            _this2._popStateInProgress = false;
          });
        }
      }
    }, {
      key: 'pushCurrentPosition',
      value: function pushCurrentPosition() {
        if (!this.initialized || this._popStateInProgress) {
          return;
        }
        this._tryPushCurrentPosition();
      }
    }, {
      key: 'back',
      value: function back() {
        if (!this.initialized || this._popStateInProgress) {
          return;
        }
        var state = window.history.state;
        if (this._isValidState(state) && state.uid > 0) {
          window.history.back();
        }
      }
    }, {
      key: 'forward',
      value: function forward() {
        if (!this.initialized || this._popStateInProgress) {
          return;
        }
        var state = window.history.state;
        if (this._isValidState(state) && state.uid < this._maxUid) {
          window.history.forward();
        }
      }
    }, {
      key: '_pushOrReplaceState',
      value: function _pushOrReplaceState(destination) {
        var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        var shouldReplace = forceReplace || !this._destination;
        var newState = {
          fingerprint: this.fingerprint,
          uid: shouldReplace ? this._uid : this._uid + 1,
          destination: destination
        };
        this._updateInternalState(destination, newState.uid);
        if (shouldReplace) {
          window.history.replaceState(newState, '');
        } else {
          this._maxUid = this._uid;
          window.history.pushState(newState, '');
        }
      }
    }, {
      key: '_tryPushCurrentPosition',
      value: function _tryPushCurrentPosition() {
        var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        if (!this._position) {
          return;
        }
        var position = this._position;
        if (temporary) {
          position = Object.assign(Object.create(null), this._position);
          position.temporary = true;
        }
        if (!this._destination) {
          this._pushOrReplaceState(position);
          return;
        }
        if (this._destination.temporary) {
          this._pushOrReplaceState(position, true);
          return;
        }
        if (this._destination.hash === position.hash) {
          return;
        }
        if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
          return;
        }
        var forceReplace = false;
        if (this._destination.page === position.first || this._destination.page === position.page) {
          if (this._destination.dest || !this._destination.first) {
            return;
          }
          forceReplace = true;
        }
        this._pushOrReplaceState(position, forceReplace);
      }
    }, {
      key: '_isValidState',
      value: function _isValidState(state) {
        if (!state) {
          return false;
        }
        if (state.fingerprint !== this.fingerprint) {
          return false;
        }
        if (!Number.isInteger(state.uid) || state.uid < 0) {
          return false;
        }
        if (state.destination === null || _typeof(state.destination) !== 'object') {
          return false;
        }
        return true;
      }
    }, {
      key: '_updateInternalState',
      value: function _updateInternalState(destination, uid) {
        var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
        if (this._updateViewareaTimeout) {
          clearTimeout(this._updateViewareaTimeout);
          this._updateViewareaTimeout = null;
        }
        if (removeTemporary && destination && destination.temporary) {
          delete destination.temporary;
        }
        this._destination = destination;
        this._uid = uid;
        this._numPositionUpdates = 0;
      }
    }, {
      key: '_updateViewarea',
      value: function _updateViewarea(_ref3) {
        var _this3 = this;
  
        var location = _ref3.location;
  
        if (this._updateViewareaTimeout) {
          clearTimeout(this._updateViewareaTimeout);
          this._updateViewareaTimeout = null;
        }
        this._position = {
          hash: this._isViewerInPresentationMode ? 'page=' + location.pageNumber : location.pdfOpenParams.substring(1),
          page: this.linkService.page,
          first: location.pageNumber,
          rotation: location.rotation
        };
        if (this._popStateInProgress) {
          return;
        }
        if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
          this._numPositionUpdates++;
        }
        if (UPDATE_VIEWAREA_TIMEOUT > 0) {
          this._updateViewareaTimeout = setTimeout(function () {
            if (!_this3._popStateInProgress) {
              _this3._tryPushCurrentPosition(true);
            }
            _this3._updateViewareaTimeout = null;
          }, UPDATE_VIEWAREA_TIMEOUT);
        }
      }
    }, {
      key: '_popState',
      value: function _popState(_ref4) {
        var _this4 = this;
  
        var state = _ref4.state;
  
        var newHash = getCurrentHash(),
            hashChanged = this._currentHash !== newHash;
        this._currentHash = newHash;
        if (!state || false) {
          this._uid++;
  
          var _parseCurrentHash2 = parseCurrentHash(this.linkService),
              hash = _parseCurrentHash2.hash,
              page = _parseCurrentHash2.page,
              rotation = _parseCurrentHash2.rotation;
  
          this._pushOrReplaceState({
            hash: hash,
            page: page,
            rotation: rotation
          }, true);
          return;
        }
        if (!this._isValidState(state)) {
          return;
        }
        this._popStateInProgress = true;
        if (hashChanged) {
          this._blockHashChange++;
          (0, _ui_utils.waitOnEventOrTimeout)({
            target: window,
            name: 'hashchange',
            delay: HASH_CHANGE_TIMEOUT
          }).then(function () {
            _this4._blockHashChange--;
          });
        }
        var destination = state.destination;
        this._updateInternalState(destination, state.uid, true);
        if (this._uid > this._maxUid) {
          this._maxUid = this._uid;
        }
        if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
          this.linkService.rotation = destination.rotation;
        }
        if (destination.dest) {
          this.linkService.navigateTo(destination.dest);
        } else if (destination.hash) {
          this.linkService.setHash(destination.hash);
        } else if (destination.page) {
          this.linkService.page = destination.page;
        }
        Promise.resolve().then(function () {
          _this4._popStateInProgress = false;
        });
      }
    }, {
      key: '_bindEvents',
      value: function _bindEvents() {
        var _this5 = this;
  
        var _boundEvents = this._boundEvents,
            eventBus = this.eventBus;
  
        _boundEvents.updateViewarea = this._updateViewarea.bind(this);
        _boundEvents.popState = this._popState.bind(this);
        _boundEvents.pageHide = function (evt) {
          if (!_this5._destination || _this5._destination.temporary) {
            _this5._tryPushCurrentPosition();
          }
        };
        eventBus.on('updateviewarea', _boundEvents.updateViewarea);
        window.addEventListener('popstate', _boundEvents.popState);
        window.addEventListener('pagehide', _boundEvents.pageHide);
      }
    }, {
      key: 'popStateInProgress',
      get: function get() {
        return this.initialized && (this._popStateInProgress || this._blockHashChange > 0);
      }
    }]);
  
    return PDFHistory;
  }();
  
  function isDestHashesEqual(destHash, pushHash) {
    if (typeof destHash !== 'string' || typeof pushHash !== 'string') {
      return false;
    }
    if (destHash === pushHash) {
      return true;
    }
  
    var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash),
        nameddest = _parseQueryString.nameddest;
  
    if (nameddest === pushHash) {
      return true;
    }
    return false;
  }
  function isDestArraysEqual(firstDest, secondDest) {
    function isEntryEqual(first, second) {
      if ((typeof first === 'undefined' ? 'undefined' : _typeof(first)) !== (typeof second === 'undefined' ? 'undefined' : _typeof(second))) {
        return false;
      }
      if (Array.isArray(first) || Array.isArray(second)) {
        return false;
      }
      if (first !== null && (typeof first === 'undefined' ? 'undefined' : _typeof(first)) === 'object' && second !== null) {
        if (Object.keys(first).length !== Object.keys(second).length) {
          return false;
        }
        for (var key in first) {
          if (!isEntryEqual(first[key], second[key])) {
            return false;
          }
        }
        return true;
      }
      return first === second || Number.isNaN(first) && Number.isNaN(second);
    }
    if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
      return false;
    }
    if (firstDest.length !== secondDest.length) {
      return false;
    }
    for (var i = 0, ii = firstDest.length; i < ii; i++) {
      if (!isEntryEqual(firstDest[i], secondDest[i])) {
        return false;
      }
    }
    return true;
  }
  exports.PDFHistory = PDFHistory;
  exports.isDestHashesEqual = isDestHashesEqual;
  exports.isDestArraysEqual = isDestArraysEqual;
  
  /***/ }),
  /* 17 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFPageView = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  var _dom_events = __w_pdfjs_require__(9);
  
  var _pdf_rendering_queue = __w_pdfjs_require__(18);
  
  var _viewer_compatibility = __w_pdfjs_require__(19);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
  
  var PDFPageView = function () {
    function PDFPageView(options) {
      _classCallCheck(this, PDFPageView);
  
      var container = options.container;
      var defaultViewport = options.defaultViewport;
      this.id = options.id;
      this.renderingId = 'page' + this.id;
      this.pdfPage = null;
      this.pageLabel = null;
      this.rotation = 0;
      this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
      this.viewport = defaultViewport;
      this.pdfPageRotate = defaultViewport.rotation;
      this.hasRestrictedScaling = false;
      this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
      this.imageResourcesPath = options.imageResourcesPath || '';
      this.renderInteractiveForms = options.renderInteractiveForms || false;
      this.useOnlyCssZoom = options.useOnlyCssZoom || false;
      this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
      this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
      this.renderingQueue = options.renderingQueue;
      this.textLayerFactory = options.textLayerFactory;
      this.annotationLayerFactory = options.annotationLayerFactory;
      this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
      this.enableWebGL = options.enableWebGL || false;
      this.l10n = options.l10n || _ui_utils.NullL10n;
      this.paintTask = null;
      this.paintedViewportMap = new WeakMap();
      this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
      this.resume = null;
      this.error = null;
      this.onBeforeDraw = null;
      this.onAfterDraw = null;
      this.annotationLayer = null;
      this.textLayer = null;
      this.zoomLayer = null;
      var div = document.createElement('div');
      div.className = 'page';
      div.style.width = Math.floor(this.viewport.width) + 'px';
      div.style.height = Math.floor(this.viewport.height) + 'px';
      div.setAttribute('data-page-number', this.id);
      this.div = div;
      container.appendChild(div);
    }
  
    _createClass(PDFPageView, [{
      key: 'setPdfPage',
      value: function setPdfPage(pdfPage) {
        this.pdfPage = pdfPage;
        this.pdfPageRotate = pdfPage.rotate;
        var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
        this.viewport = pdfPage.getViewport(this.scale * _ui_utils.CSS_UNITS, totalRotation);
        this.stats = pdfPage.stats;
        this.reset();
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        this.reset();
        if (this.pdfPage) {
          this.pdfPage.cleanup();
        }
      }
    }, {
      key: '_resetZoomLayer',
      value: function _resetZoomLayer() {
        var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        if (!this.zoomLayer) {
          return;
        }
        var zoomLayerCanvas = this.zoomLayer.firstChild;
        this.paintedViewportMap.delete(zoomLayerCanvas);
        zoomLayerCanvas.width = 0;
        zoomLayerCanvas.height = 0;
        if (removeFromDOM) {
          this.zoomLayer.remove();
        }
        this.zoomLayer = null;
      }
    }, {
      key: 'reset',
      value: function reset() {
        var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
        var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        this.cancelRendering(keepAnnotations);
        var div = this.div;
        div.style.width = Math.floor(this.viewport.width) + 'px';
        div.style.height = Math.floor(this.viewport.height) + 'px';
        var childNodes = div.childNodes;
        var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
        var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
        for (var i = childNodes.length - 1; i >= 0; i--) {
          var node = childNodes[i];
          if (currentZoomLayerNode === node || currentAnnotationNode === node) {
            continue;
          }
          div.removeChild(node);
        }
        div.removeAttribute('data-loaded');
        if (currentAnnotationNode) {
          this.annotationLayer.hide();
        } else if (this.annotationLayer) {
          this.annotationLayer.cancel();
          this.annotationLayer = null;
        }
        if (!currentZoomLayerNode) {
          if (this.canvas) {
            this.paintedViewportMap.delete(this.canvas);
            this.canvas.width = 0;
            this.canvas.height = 0;
            delete this.canvas;
          }
          this._resetZoomLayer();
        }
        if (this.svg) {
          this.paintedViewportMap.delete(this.svg);
          delete this.svg;
        }
        this.loadingIconDiv = document.createElement('div');
        this.loadingIconDiv.className = 'loadingIcon';
        div.appendChild(this.loadingIconDiv);
      }
    }, {
      key: 'update',
      value: function update(scale, rotation) {
        this.scale = scale || this.scale;
        if (typeof rotation !== 'undefined') {
          this.rotation = rotation;
        }
        var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
        this.viewport = this.viewport.clone({
          scale: this.scale * _ui_utils.CSS_UNITS,
          rotation: totalRotation
        });
        if (this.svg) {
          this.cssTransform(this.svg, true);
          this.eventBus.dispatch('pagerendered', {
            source: this,
            pageNumber: this.id,
            cssTransform: true
          });
          return;
        }
        var isScalingRestricted = false;
        if (this.canvas && this.maxCanvasPixels > 0) {
          var outputScale = this.outputScale;
          if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
            isScalingRestricted = true;
          }
        }
        if (this.canvas) {
          if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
            this.cssTransform(this.canvas, true);
            this.eventBus.dispatch('pagerendered', {
              source: this,
              pageNumber: this.id,
              cssTransform: true
            });
            return;
          }
          if (!this.zoomLayer && !this.canvas.hasAttribute('hidden')) {
            this.zoomLayer = this.canvas.parentNode;
            this.zoomLayer.style.position = 'absolute';
          }
        }
        if (this.zoomLayer) {
          this.cssTransform(this.zoomLayer.firstChild);
        }
        this.reset(true, true);
      }
    }, {
      key: 'cancelRendering',
      value: function cancelRendering() {
        var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        var renderingState = this.renderingState;
        if (this.paintTask) {
          this.paintTask.cancel();
          this.paintTask = null;
        }
        this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
        this.resume = null;
        if (this.textLayer) {
          this.textLayer.cancel();
          this.textLayer = null;
        }
        if (!keepAnnotations && this.annotationLayer) {
          this.annotationLayer.cancel();
          this.annotationLayer = null;
        }
        if (renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
          this.eventBus.dispatch('pagecancelled', {
            source: this,
            pageNumber: this.id,
            renderingState: renderingState
          });
        }
      }
    }, {
      key: 'cssTransform',
      value: function cssTransform(target) {
        var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        var width = this.viewport.width;
        var height = this.viewport.height;
        var div = this.div;
        target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
        target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
        var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
        var absRotation = Math.abs(relativeRotation);
        var scaleX = 1,
            scaleY = 1;
        if (absRotation === 90 || absRotation === 270) {
          scaleX = height / width;
          scaleY = width / height;
        }
        var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
        target.style.transform = cssTransform;
        if (this.textLayer) {
          var textLayerViewport = this.textLayer.viewport;
          var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
          var textAbsRotation = Math.abs(textRelativeRotation);
          var scale = width / textLayerViewport.width;
          if (textAbsRotation === 90 || textAbsRotation === 270) {
            scale = width / textLayerViewport.height;
          }
          var textLayerDiv = this.textLayer.textLayerDiv;
          var transX = void 0,
              transY = void 0;
          switch (textAbsRotation) {
            case 0:
              transX = transY = 0;
              break;
            case 90:
              transX = 0;
              transY = '-' + textLayerDiv.style.height;
              break;
            case 180:
              transX = '-' + textLayerDiv.style.width;
              transY = '-' + textLayerDiv.style.height;
              break;
            case 270:
              transX = '-' + textLayerDiv.style.width;
              transY = 0;
              break;
            default:
              console.error('Bad rotation value.');
              break;
          }
          textLayerDiv.style.transform = 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')';
          textLayerDiv.style.transformOrigin = '0% 0%';
        }
        if (redrawAnnotations && this.annotationLayer) {
          this.annotationLayer.render(this.viewport, 'display');
        }
      }
    }, {
      key: 'getPagePoint',
      value: function getPagePoint(x, y) {
        return this.viewport.convertToPdfPoint(x, y);
      }
    }, {
      key: 'draw',
      value: function draw() {
        var _this = this;
  
        if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
          console.error('Must be in new state before drawing');
          this.reset();
        }
        if (!this.pdfPage) {
          this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
          return Promise.reject(new Error('Page is not loaded'));
        }
        this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
        var pdfPage = this.pdfPage;
        var div = this.div;
        var canvasWrapper = document.createElement('div');
        canvasWrapper.style.width = div.style.width;
        canvasWrapper.style.height = div.style.height;
        canvasWrapper.classList.add('canvasWrapper');
        if (this.annotationLayer && this.annotationLayer.div) {
          div.insertBefore(canvasWrapper, this.annotationLayer.div);
        } else {
          div.appendChild(canvasWrapper);
        }
        var textLayer = null;
        if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
          var textLayerDiv = document.createElement('div');
          textLayerDiv.className = 'textLayer';
          textLayerDiv.style.width = canvasWrapper.style.width;
          textLayerDiv.style.height = canvasWrapper.style.height;
          if (this.annotationLayer && this.annotationLayer.div) {
            div.insertBefore(textLayerDiv, this.annotationLayer.div);
          } else {
            div.appendChild(textLayerDiv);
          }
          textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE);
        }
        this.textLayer = textLayer;
        var renderContinueCallback = null;
        if (this.renderingQueue) {
          renderContinueCallback = function renderContinueCallback(cont) {
            if (!_this.renderingQueue.isHighestPriority(_this)) {
              _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
              _this.resume = function () {
                _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                cont();
              };
              return;
            }
            cont();
          };
        }
        var finishPaintTask = function finishPaintTask(error) {
          if (paintTask === _this.paintTask) {
            _this.paintTask = null;
          }
          if (error instanceof _pdfjsLib.RenderingCancelledException) {
            _this.error = null;
            return Promise.resolve(undefined);
          }
          _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
          if (_this.loadingIconDiv) {
            div.removeChild(_this.loadingIconDiv);
            delete _this.loadingIconDiv;
          }
          _this._resetZoomLayer(true);
          _this.error = error;
          _this.stats = pdfPage.stats;
          if (_this.onAfterDraw) {
            _this.onAfterDraw();
          }
          _this.eventBus.dispatch('pagerendered', {
            source: _this,
            pageNumber: _this.id,
            cssTransform: false
          });
          if (error) {
            return Promise.reject(error);
          }
          return Promise.resolve(undefined);
        };
        var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
        paintTask.onRenderContinue = renderContinueCallback;
        this.paintTask = paintTask;
        var resultPromise = paintTask.promise.then(function () {
          return finishPaintTask(null).then(function () {
            if (textLayer) {
              var readableStream = pdfPage.streamTextContent({ normalizeWhitespace: true });
              textLayer.setTextContentStream(readableStream);
              textLayer.render();
            }
          });
        }, function (reason) {
          return finishPaintTask(reason);
        });
        if (this.annotationLayerFactory) {
          if (!this.annotationLayer) {
            this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
          }
          this.annotationLayer.render(this.viewport, 'display');
        }
        div.setAttribute('data-loaded', true);
        if (this.onBeforeDraw) {
          this.onBeforeDraw();
        }
        return resultPromise;
      }
    }, {
      key: 'paintOnCanvas',
      value: function paintOnCanvas(canvasWrapper) {
        var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
        var result = {
          promise: renderCapability.promise,
          onRenderContinue: function onRenderContinue(cont) {
            cont();
          },
          cancel: function cancel() {
            renderTask.cancel();
          }
        };
        var viewport = this.viewport;
        var canvas = document.createElement('canvas');
        canvas.id = this.renderingId;
        canvas.setAttribute('hidden', 'hidden');
        var isCanvasHidden = true;
        var showCanvas = function showCanvas() {
          if (isCanvasHidden) {
            canvas.removeAttribute('hidden');
            isCanvasHidden = false;
          }
        };
        canvasWrapper.appendChild(canvas);
        this.canvas = canvas;
        canvas.mozOpaque = true;
        var ctx = canvas.getContext('2d', { alpha: false });
        var outputScale = (0, _ui_utils.getOutputScale)(ctx);
        this.outputScale = outputScale;
        if (this.useOnlyCssZoom) {
          var actualSizeViewport = viewport.clone({ scale: _ui_utils.CSS_UNITS });
          outputScale.sx *= actualSizeViewport.width / viewport.width;
          outputScale.sy *= actualSizeViewport.height / viewport.height;
          outputScale.scaled = true;
        }
        if (this.maxCanvasPixels > 0) {
          var pixelsInViewport = viewport.width * viewport.height;
          var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
          if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
            outputScale.sx = maxScale;
            outputScale.sy = maxScale;
            outputScale.scaled = true;
            this.hasRestrictedScaling = true;
          } else {
            this.hasRestrictedScaling = false;
          }
        }
        var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
        var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
        canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
        canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
        canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + 'px';
        canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + 'px';
        this.paintedViewportMap.set(canvas, viewport);
        var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
        var renderContext = {
          canvasContext: ctx,
          transform: transform,
          viewport: this.viewport,
          enableWebGL: this.enableWebGL,
          renderInteractiveForms: this.renderInteractiveForms
        };
        var renderTask = this.pdfPage.render(renderContext);
        renderTask.onContinue = function (cont) {
          showCanvas();
          if (result.onRenderContinue) {
            result.onRenderContinue(cont);
          } else {
            cont();
          }
        };
        renderTask.promise.then(function () {
          showCanvas();
          renderCapability.resolve(undefined);
        }, function (error) {
          showCanvas();
          renderCapability.reject(error);
        });
        return result;
      }
    }, {
      key: 'paintOnSvg',
      value: function paintOnSvg(wrapper) {
        var _this2 = this;
  
        var cancelled = false;
        var ensureNotCancelled = function ensureNotCancelled() {
          if (cancelled) {
            throw new _pdfjsLib.RenderingCancelledException('Rendering cancelled, page ' + _this2.id, 'svg');
          }
        };
        var pdfPage = this.pdfPage;
        var actualSizeViewport = this.viewport.clone({ scale: _ui_utils.CSS_UNITS });
        var promise = pdfPage.getOperatorList().then(function (opList) {
          ensureNotCancelled();
          var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
          return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
            ensureNotCancelled();
            _this2.svg = svg;
            _this2.paintedViewportMap.set(svg, actualSizeViewport);
            svg.style.width = wrapper.style.width;
            svg.style.height = wrapper.style.height;
            _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
            wrapper.appendChild(svg);
          });
        });
        return {
          promise: promise,
          onRenderContinue: function onRenderContinue(cont) {
            cont();
          },
          cancel: function cancel() {
            cancelled = true;
          }
        };
      }
    }, {
      key: 'setPageLabel',
      value: function setPageLabel(label) {
        this.pageLabel = typeof label === 'string' ? label : null;
        if (this.pageLabel !== null) {
          this.div.setAttribute('data-page-label', this.pageLabel);
        } else {
          this.div.removeAttribute('data-page-label');
        }
      }
    }, {
      key: 'width',
      get: function get() {
        return this.viewport.width;
      }
    }, {
      key: 'height',
      get: function get() {
        return this.viewport.height;
      }
    }]);
  
    return PDFPageView;
  }();
  
  exports.PDFPageView = PDFPageView;
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var CLEANUP_TIMEOUT = 30000;
  var RenderingStates = {
    INITIAL: 0,
    RUNNING: 1,
    PAUSED: 2,
    FINISHED: 3
  };
  
  var PDFRenderingQueue = function () {
    function PDFRenderingQueue() {
      _classCallCheck(this, PDFRenderingQueue);
  
      this.pdfViewer = null;
      this.pdfThumbnailViewer = null;
      this.onIdle = null;
      this.highestPriorityPage = null;
      this.idleTimeout = null;
      this.printing = false;
      this.isThumbnailViewEnabled = false;
    }
  
    _createClass(PDFRenderingQueue, [{
      key: "setViewer",
      value: function setViewer(pdfViewer) {
        this.pdfViewer = pdfViewer;
      }
    }, {
      key: "setThumbnailViewer",
      value: function setThumbnailViewer(pdfThumbnailViewer) {
        this.pdfThumbnailViewer = pdfThumbnailViewer;
      }
    }, {
      key: "isHighestPriority",
      value: function isHighestPriority(view) {
        return this.highestPriorityPage === view.renderingId;
      }
    }, {
      key: "renderHighestPriority",
      value: function renderHighestPriority(currentlyVisiblePages) {
        if (this.idleTimeout) {
          clearTimeout(this.idleTimeout);
          this.idleTimeout = null;
        }
        if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
          return;
        }
        if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
          if (this.pdfThumbnailViewer.forceRendering()) {
            return;
          }
        }
        if (this.printing) {
          return;
        }
        if (this.onIdle) {
          this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
        }
      }
    }, {
      key: "getHighestPriority",
      value: function getHighestPriority(visible, views, scrolledDown) {
        var visibleViews = visible.views;
        var numVisible = visibleViews.length;
        if (numVisible === 0) {
          return false;
        }
        for (var i = 0; i < numVisible; ++i) {
          var view = visibleViews[i].view;
          if (!this.isViewFinished(view)) {
            return view;
          }
        }
        if (scrolledDown) {
          var nextPageIndex = visible.last.id;
          if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
            return views[nextPageIndex];
          }
        } else {
          var previousPageIndex = visible.first.id - 2;
          if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
            return views[previousPageIndex];
          }
        }
        return null;
      }
    }, {
      key: "isViewFinished",
      value: function isViewFinished(view) {
        return view.renderingState === RenderingStates.FINISHED;
      }
    }, {
      key: "renderView",
      value: function renderView(view) {
        var _this = this;
  
        switch (view.renderingState) {
          case RenderingStates.FINISHED:
            return false;
          case RenderingStates.PAUSED:
            this.highestPriorityPage = view.renderingId;
            view.resume();
            break;
          case RenderingStates.RUNNING:
            this.highestPriorityPage = view.renderingId;
            break;
          case RenderingStates.INITIAL:
            this.highestPriorityPage = view.renderingId;
            var continueRendering = function continueRendering() {
              _this.renderHighestPriority();
            };
            view.draw().then(continueRendering, continueRendering);
            break;
        }
        return true;
      }
    }]);
  
    return PDFRenderingQueue;
  }();
  
  exports.RenderingStates = RenderingStates;
  exports.PDFRenderingQueue = PDFRenderingQueue;
  
  /***/ }),
  /* 19 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var compatibilityParams = Object.create(null);
  {
    var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
    var isAndroid = /Android/.test(userAgent);
    var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
    (function checkCanvasSizeLimitation() {
      if (isIOS || isAndroid) {
        compatibilityParams.maxCanvasPixels = 5242880;
      }
    })();
  }
  exports.viewerCompatibilityParams = Object.freeze(compatibilityParams);
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFSinglePageViewer = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };
  
  var _base_viewer = __w_pdfjs_require__(21);
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  var PDFSinglePageViewer = function (_BaseViewer) {
    _inherits(PDFSinglePageViewer, _BaseViewer);
  
    function PDFSinglePageViewer(options) {
      _classCallCheck(this, PDFSinglePageViewer);
  
      var _this = _possibleConstructorReturn(this, (PDFSinglePageViewer.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer)).call(this, options));
  
      _this.eventBus.on('pagesinit', function (evt) {
        _this._ensurePageViewVisible();
      });
      return _this;
    }
  
    _createClass(PDFSinglePageViewer, [{
      key: '_resetView',
      value: function _resetView() {
        _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_resetView', this).call(this);
        this._previousPageNumber = 1;
        this._shadowViewer = document.createDocumentFragment();
      }
    }, {
      key: '_ensurePageViewVisible',
      value: function _ensurePageViewVisible() {
        var pageView = this._pages[this._currentPageNumber - 1];
        var previousPageView = this._pages[this._previousPageNumber - 1];
        var viewerNodes = this.viewer.childNodes;
        switch (viewerNodes.length) {
          case 0:
            this.viewer.appendChild(pageView.div);
            break;
          case 1:
            if (viewerNodes[0] !== previousPageView.div) {
              throw new Error('_ensurePageViewVisible: Unexpected previously visible page.');
            }
            if (pageView === previousPageView) {
              break;
            }
            this._shadowViewer.appendChild(previousPageView.div);
            this.viewer.appendChild(pageView.div);
            this.container.scrollTop = 0;
            break;
          default:
            throw new Error('_ensurePageViewVisible: Only one page should be visible at a time.');
        }
        this._previousPageNumber = this._currentPageNumber;
      }
    }, {
      key: '_scrollUpdate',
      value: function _scrollUpdate() {
        if (this._updateScrollDown) {
          this._updateScrollDown();
        }
        _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_scrollUpdate', this).call(this);
      }
    }, {
      key: '_scrollIntoView',
      value: function _scrollIntoView(_ref) {
        var _this2 = this;
  
        var pageDiv = _ref.pageDiv,
            _ref$pageSpot = _ref.pageSpot,
            pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot,
            _ref$pageNumber = _ref.pageNumber,
            pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;
  
        if (pageNumber) {
          this._setCurrentPageNumber(pageNumber);
        }
        var scrolledDown = this._currentPageNumber >= this._previousPageNumber;
        var previousLocation = this._location;
        this._ensurePageViewVisible();
        (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
        this._updateScrollDown = function () {
          _this2.scroll.down = scrolledDown;
          delete _this2._updateScrollDown;
        };
        setTimeout(function () {
          if (_this2._location === previousLocation) {
            if (_this2._updateScrollDown) {
              _this2._updateScrollDown();
            }
            _this2.update();
          }
        }, 0);
      }
    }, {
      key: '_getVisiblePages',
      value: function _getVisiblePages() {
        if (!this.pagesCount) {
          return { views: [] };
        }
        var pageView = this._pages[this._currentPageNumber - 1];
        var element = pageView.div;
        var view = {
          id: pageView.id,
          x: element.offsetLeft + element.clientLeft,
          y: element.offsetTop + element.clientTop,
          view: pageView
        };
        return {
          first: view,
          last: view,
          views: [view]
        };
      }
    }, {
      key: 'update',
      value: function update() {
        var visible = this._getVisiblePages();
        var visiblePages = visible.views,
            numVisiblePages = visiblePages.length;
        if (numVisiblePages === 0) {
          return;
        }
        this._resizeBuffer(numVisiblePages);
        this.renderingQueue.renderHighestPriority(visible);
        this._updateLocation(visible.first);
        this.eventBus.dispatch('updateviewarea', {
          source: this,
          location: this._location
        });
      }
    }, {
      key: '_updateScrollMode',
      value: function _updateScrollMode() {}
    }, {
      key: '_updateSpreadMode',
      value: function _updateSpreadMode() {}
    }, {
      key: '_setDocumentViewerElement',
      get: function get() {
        return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this._shadowViewer);
      }
    }, {
      key: '_isScrollModeHorizontal',
      get: function get() {
        return (0, _pdfjsLib.shadow)(this, '_isScrollModeHorizontal', false);
      }
    }]);
  
    return PDFSinglePageViewer;
  }(_base_viewer.BaseViewer);
  
  exports.PDFSinglePageViewer = PDFSinglePageViewer;
  
  /***/ }),
  /* 21 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SpreadMode = exports.ScrollMode = exports.BaseViewer = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _pdf_rendering_queue = __w_pdfjs_require__(18);
  
  var _annotation_layer_builder = __w_pdfjs_require__(1);
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  var _dom_events = __w_pdfjs_require__(9);
  
  var _pdf_page_view = __w_pdfjs_require__(17);
  
  var _pdf_link_service = __w_pdfjs_require__(8);
  
  var _text_layer_builder = __w_pdfjs_require__(10);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var DEFAULT_CACHE_SIZE = 10;
  var ScrollMode = {
    VERTICAL: 0,
    HORIZONTAL: 1,
    WRAPPED: 2
  };
  var SpreadMode = {
    NONE: 0,
    ODD: 1,
    EVEN: 2
  };
  function PDFPageViewBuffer(size) {
    var data = [];
    this.push = function (view) {
      var i = data.indexOf(view);
      if (i >= 0) {
        data.splice(i, 1);
      }
      data.push(view);
      if (data.length > size) {
        data.shift().destroy();
      }
    };
    this.resize = function (newSize, pagesToKeep) {
      size = newSize;
      if (pagesToKeep) {
        var pageIdsToKeep = new Set();
        for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
          pageIdsToKeep.add(pagesToKeep[i].id);
        }
        (0, _ui_utils.moveToEndOfArray)(data, function (page) {
          return pageIdsToKeep.has(page.id);
        });
      }
      while (data.length > size) {
        data.shift().destroy();
      }
    };
  }
  function isSameScale(oldScale, newScale) {
    if (newScale === oldScale) {
      return true;
    }
    if (Math.abs(newScale - oldScale) < 1e-15) {
      return true;
    }
    return false;
  }
  
  var BaseViewer = function () {
    function BaseViewer(options) {
      var _this = this;
  
      _classCallCheck(this, BaseViewer);
  
      if (this.constructor === BaseViewer) {
        throw new Error('Cannot initialize BaseViewer.');
      }
      this._name = this.constructor.name;
      this.container = options.container;
      this.viewer = options.viewer || options.container.firstElementChild;
      this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
      this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
      this.downloadManager = options.downloadManager || null;
      this.findController = options.findController || null;
      this.removePageBorders = options.removePageBorders || false;
      this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
      this.imageResourcesPath = options.imageResourcesPath || '';
      this.renderInteractiveForms = options.renderInteractiveForms || false;
      this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
      this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
      this.enableWebGL = options.enableWebGL || false;
      this.useOnlyCssZoom = options.useOnlyCssZoom || false;
      this.maxCanvasPixels = options.maxCanvasPixels;
      this.l10n = options.l10n || _ui_utils.NullL10n;
      this.defaultRenderingQueue = !options.renderingQueue;
      if (this.defaultRenderingQueue) {
        this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
        this.renderingQueue.setViewer(this);
      } else {
        this.renderingQueue = options.renderingQueue;
      }
      this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
      this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
      this._resetView();
      if (this.removePageBorders) {
        this.viewer.classList.add('removePageBorders');
      }
      Promise.resolve().then(function () {
        _this.eventBus.dispatch('baseviewerinit', { source: _this });
      });
    }
  
    _createClass(BaseViewer, [{
      key: 'getPageView',
      value: function getPageView(index) {
        return this._pages[index];
      }
    }, {
      key: '_setCurrentPageNumber',
      value: function _setCurrentPageNumber(val) {
        var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        if (this._currentPageNumber === val) {
          if (resetCurrentPageView) {
            this._resetCurrentPageView();
          }
          return;
        }
        if (!(0 < val && val <= this.pagesCount)) {
          console.error(this._name + '._setCurrentPageNumber: "' + val + '" is out of bounds.');
          return;
        }
        var arg = {
          source: this,
          pageNumber: val,
          pageLabel: this._pageLabels && this._pageLabels[val - 1]
        };
        this._currentPageNumber = val;
        this.eventBus.dispatch('pagechanging', arg);
        this.eventBus.dispatch('pagechange', arg);
        if (resetCurrentPageView) {
          this._resetCurrentPageView();
        }
      }
    }, {
      key: 'setDocument',
      value: function setDocument(pdfDocument) {
        var _this2 = this;
  
        if (this.pdfDocument) {
          this._cancelRendering();
          this._resetView();
          if (this.findController) {
            this.findController.setDocument(null);
          }
        }
        this.pdfDocument = pdfDocument;
        if (!pdfDocument) {
          return;
        }
        var pagesCount = pdfDocument.numPages;
        var pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
        this.pagesPromise = pagesCapability.promise;
        pagesCapability.promise.then(function () {
          _this2._pageViewsReady = true;
          _this2.eventBus.dispatch('pagesloaded', {
            source: _this2,
            pagesCount: pagesCount
          });
        });
        var isOnePageRenderedResolved = false;
        var onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
        this.onePageRendered = onePageRenderedCapability.promise;
        var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
          pageView.onBeforeDraw = function () {
            _this2._buffer.push(pageView);
          };
          pageView.onAfterDraw = function () {
            if (!isOnePageRenderedResolved) {
              isOnePageRenderedResolved = true;
              onePageRenderedCapability.resolve();
            }
          };
        };
        var firstPagePromise = pdfDocument.getPage(1);
        this.firstPagePromise = firstPagePromise;
        firstPagePromise.then(function (pdfPage) {
          var scale = _this2.currentScale;
          var viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS);
          for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
            var textLayerFactory = null;
            if (_this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE) {
              textLayerFactory = _this2;
            }
            var pageView = new _pdf_page_view.PDFPageView({
              container: _this2._setDocumentViewerElement,
              eventBus: _this2.eventBus,
              id: pageNum,
              scale: scale,
              defaultViewport: viewport.clone(),
              renderingQueue: _this2.renderingQueue,
              textLayerFactory: textLayerFactory,
              textLayerMode: _this2.textLayerMode,
              annotationLayerFactory: _this2,
              imageResourcesPath: _this2.imageResourcesPath,
              renderInteractiveForms: _this2.renderInteractiveForms,
              renderer: _this2.renderer,
              enableWebGL: _this2.enableWebGL,
              useOnlyCssZoom: _this2.useOnlyCssZoom,
              maxCanvasPixels: _this2.maxCanvasPixels,
              l10n: _this2.l10n
            });
            bindOnAfterAndBeforeDraw(pageView);
            _this2._pages.push(pageView);
          }
          if (_this2._spreadMode !== SpreadMode.NONE) {
            _this2._updateSpreadMode();
          }
          onePageRenderedCapability.promise.then(function () {
            if (pdfDocument.loadingParams['disableAutoFetch']) {
              pagesCapability.resolve();
              return;
            }
            var getPagesLeft = pagesCount;
  
            var _loop = function _loop(_pageNum) {
              pdfDocument.getPage(_pageNum).then(function (pdfPage) {
                var pageView = _this2._pages[_pageNum - 1];
                if (!pageView.pdfPage) {
                  pageView.setPdfPage(pdfPage);
                }
                _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);
                if (--getPagesLeft === 0) {
                  pagesCapability.resolve();
                }
              }, function (reason) {
                console.error('Unable to get page ' + _pageNum + ' to initialize viewer', reason);
                if (--getPagesLeft === 0) {
                  pagesCapability.resolve();
                }
              });
            };
  
            for (var _pageNum = 1; _pageNum <= pagesCount; ++_pageNum) {
              _loop(_pageNum);
            }
          });
          _this2.eventBus.dispatch('pagesinit', { source: _this2 });
          if (_this2.findController) {
            _this2.findController.setDocument(pdfDocument);
          }
          if (_this2.defaultRenderingQueue) {
            _this2.update();
          }
        }).catch(function (reason) {
          console.error('Unable to initialize viewer', reason);
        });
      }
    }, {
      key: 'setPageLabels',
      value: function setPageLabels(labels) {
        if (!this.pdfDocument) {
          return;
        }
        if (!labels) {
          this._pageLabels = null;
        } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
          this._pageLabels = null;
          console.error(this._name + '.setPageLabels: Invalid page labels.');
        } else {
          this._pageLabels = labels;
        }
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
          var pageView = this._pages[i];
          var label = this._pageLabels && this._pageLabels[i];
          pageView.setPageLabel(label);
        }
      }
    }, {
      key: '_resetView',
      value: function _resetView() {
        this._pages = [];
        this._currentPageNumber = 1;
        this._currentScale = _ui_utils.UNKNOWN_SCALE;
        this._currentScaleValue = null;
        this._pageLabels = null;
        this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
        this._location = null;
        this._pagesRotation = 0;
        this._pagesRequests = [];
        this._pageViewsReady = false;
        this._scrollMode = ScrollMode.VERTICAL;
        this._spreadMode = SpreadMode.NONE;
        this.viewer.textContent = '';
        this._updateScrollMode();
      }
    }, {
      key: '_scrollUpdate',
      value: function _scrollUpdate() {
        if (this.pagesCount === 0) {
          return;
        }
        this.update();
      }
    }, {
      key: '_scrollIntoView',
      value: function _scrollIntoView(_ref) {
        var pageDiv = _ref.pageDiv,
            _ref$pageSpot = _ref.pageSpot,
            pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot,
            _ref$pageNumber = _ref.pageNumber,
            pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;
  
        throw new Error('Not implemented: _scrollIntoView');
      }
    }, {
      key: '_setScaleDispatchEvent',
      value: function _setScaleDispatchEvent(newScale, newValue) {
        var preset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
        var arg = {
          source: this,
          scale: newScale,
          presetValue: preset ? newValue : undefined
        };
        this.eventBus.dispatch('scalechanging', arg);
        this.eventBus.dispatch('scalechange', arg);
      }
    }, {
      key: '_setScaleUpdatePages',
      value: function _setScaleUpdatePages(newScale, newValue) {
        var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
        var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
        this._currentScaleValue = newValue.toString();
        if (isSameScale(this._currentScale, newScale)) {
          if (preset) {
            this._setScaleDispatchEvent(newScale, newValue, true);
          }
          return;
        }
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
          this._pages[i].update(newScale);
        }
        this._currentScale = newScale;
        if (!noScroll) {
          var page = this._currentPageNumber,
              dest = void 0;
          if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
            page = this._location.pageNumber;
            dest = [null, { name: 'XYZ' }, this._location.left, this._location.top, null];
          }
          this.scrollPageIntoView({
            pageNumber: page,
            destArray: dest,
            allowNegativeOffset: true
          });
        }
        this._setScaleDispatchEvent(newScale, newValue, preset);
        if (this.defaultRenderingQueue) {
          this.update();
        }
      }
    }, {
      key: '_setScale',
      value: function _setScale(value) {
        var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        var scale = parseFloat(value);
        if (scale > 0) {
          this._setScaleUpdatePages(scale, value, noScroll, false);
        } else {
          var currentPage = this._pages[this._currentPageNumber - 1];
          if (!currentPage) {
            return;
          }
          var noPadding = this.isInPresentationMode || this.removePageBorders;
          var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
          var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
          if (!noPadding && this._isScrollModeHorizontal) {
            var _ref2 = [vPadding, hPadding];
            hPadding = _ref2[0];
            vPadding = _ref2[1];
          }
          var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
          var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
          switch (value) {
            case 'page-actual':
              scale = 1;
              break;
            case 'page-width':
              scale = pageWidthScale;
              break;
            case 'page-height':
              scale = pageHeightScale;
              break;
            case 'page-fit':
              scale = Math.min(pageWidthScale, pageHeightScale);
              break;
            case 'auto':
              var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
              scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
              break;
            default:
              console.error(this._name + '._setScale: "' + value + '" is an unknown zoom value.');
              return;
          }
          this._setScaleUpdatePages(scale, value, noScroll, true);
        }
      }
    }, {
      key: '_resetCurrentPageView',
      value: function _resetCurrentPageView() {
        if (this.isInPresentationMode) {
          this._setScale(this._currentScaleValue, true);
        }
        var pageView = this._pages[this._currentPageNumber - 1];
        this._scrollIntoView({ pageDiv: pageView.div });
      }
    }, {
      key: 'scrollPageIntoView',
      value: function scrollPageIntoView(params) {
        if (!this.pdfDocument) {
          return;
        }
        var pageNumber = params.pageNumber || 0;
        var dest = params.destArray || null;
        var allowNegativeOffset = params.allowNegativeOffset || false;
        if (this.isInPresentationMode || !dest) {
          this._setCurrentPageNumber(pageNumber, true);
          return;
        }
        var pageView = this._pages[pageNumber - 1];
        if (!pageView) {
          console.error(this._name + '.scrollPageIntoView: Invalid "pageNumber" parameter.');
          return;
        }
        var x = 0,
            y = 0;
        var width = 0,
            height = 0,
            widthScale = void 0,
            heightScale = void 0;
        var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
        var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
        var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
        var scale = 0;
        switch (dest[1].name) {
          case 'XYZ':
            x = dest[2];
            y = dest[3];
            scale = dest[4];
            x = x !== null ? x : 0;
            y = y !== null ? y : pageHeight;
            break;
          case 'Fit':
          case 'FitB':
            scale = 'page-fit';
            break;
          case 'FitH':
          case 'FitBH':
            y = dest[2];
            scale = 'page-width';
            if (y === null && this._location) {
              x = this._location.left;
              y = this._location.top;
            }
            break;
          case 'FitV':
          case 'FitBV':
            x = dest[2];
            width = pageWidth;
            height = pageHeight;
            scale = 'page-height';
            break;
          case 'FitR':
            x = dest[2];
            y = dest[3];
            width = dest[4] - x;
            height = dest[5] - y;
            var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
            var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
            widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
            heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
            scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
            break;
          default:
            console.error(this._name + '.scrollPageIntoView: "' + dest[1].name + '" ' + 'is not a valid destination type.');
            return;
        }
        if (scale && scale !== this._currentScale) {
          this.currentScaleValue = scale;
        } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
          this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
        }
        if (scale === 'page-fit' && !dest[4]) {
          this._scrollIntoView({
            pageDiv: pageView.div,
            pageNumber: pageNumber
          });
          return;
        }
        var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
        var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
        var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
        if (!allowNegativeOffset) {
          left = Math.max(left, 0);
          top = Math.max(top, 0);
        }
        this._scrollIntoView({
          pageDiv: pageView.div,
          pageSpot: {
            left: left,
            top: top
          },
          pageNumber: pageNumber
        });
      }
    }, {
      key: '_resizeBuffer',
      value: function _resizeBuffer(numVisiblePages, visiblePages) {
        var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
        this._buffer.resize(suggestedCacheSize, visiblePages);
      }
    }, {
      key: '_updateLocation',
      value: function _updateLocation(firstPage) {
        var currentScale = this._currentScale;
        var currentScaleValue = this._currentScaleValue;
        var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
        var pageNumber = firstPage.id;
        var pdfOpenParams = '#page=' + pageNumber;
        pdfOpenParams += '&zoom=' + normalizedScaleValue;
        var currentPageView = this._pages[pageNumber - 1];
        var container = this.container;
        var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
        var intLeft = Math.round(topLeft[0]);
        var intTop = Math.round(topLeft[1]);
        pdfOpenParams += ',' + intLeft + ',' + intTop;
        this._location = {
          pageNumber: pageNumber,
          scale: normalizedScaleValue,
          top: intTop,
          left: intLeft,
          rotation: this._pagesRotation,
          pdfOpenParams: pdfOpenParams
        };
      }
    }, {
      key: 'update',
      value: function update() {
        throw new Error('Not implemented: update');
      }
    }, {
      key: 'containsElement',
      value: function containsElement(element) {
        return this.container.contains(element);
      }
    }, {
      key: 'focus',
      value: function focus() {
        this.container.focus();
      }
    }, {
      key: '_getVisiblePages',
      value: function _getVisiblePages() {
        throw new Error('Not implemented: _getVisiblePages');
      }
    }, {
      key: 'cleanup',
      value: function cleanup() {
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
          if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
            this._pages[i].reset();
          }
        }
      }
    }, {
      key: '_cancelRendering',
      value: function _cancelRendering() {
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
          if (this._pages[i]) {
            this._pages[i].cancelRendering();
          }
        }
      }
    }, {
      key: '_ensurePdfPageLoaded',
      value: function _ensurePdfPageLoaded(pageView) {
        var _this3 = this;
  
        if (pageView.pdfPage) {
          return Promise.resolve(pageView.pdfPage);
        }
        var pageNumber = pageView.id;
        if (this._pagesRequests[pageNumber]) {
          return this._pagesRequests[pageNumber];
        }
        var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
          if (!pageView.pdfPage) {
            pageView.setPdfPage(pdfPage);
          }
          _this3._pagesRequests[pageNumber] = null;
          return pdfPage;
        }).catch(function (reason) {
          console.error('Unable to get page for page view', reason);
          _this3._pagesRequests[pageNumber] = null;
        });
        this._pagesRequests[pageNumber] = promise;
        return promise;
      }
    }, {
      key: 'forceRendering',
      value: function forceRendering(currentlyVisiblePages) {
        var _this4 = this;
  
        var visiblePages = currentlyVisiblePages || this._getVisiblePages();
        var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
        var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
        if (pageView) {
          this._ensurePdfPageLoaded(pageView).then(function () {
            _this4.renderingQueue.renderView(pageView);
          });
          return true;
        }
        return false;
      }
    }, {
      key: 'createTextLayerBuilder',
      value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
        var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
        return new _text_layer_builder.TextLayerBuilder({
          textLayerDiv: textLayerDiv,
          eventBus: this.eventBus,
          pageIndex: pageIndex,
          viewport: viewport,
          findController: this.isInPresentationMode ? null : this.findController,
          enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
        });
      }
    }, {
      key: 'createAnnotationLayerBuilder',
      value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
        var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
        var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
        var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;
  
        return new _annotation_layer_builder.AnnotationLayerBuilder({
          pageDiv: pageDiv,
          pdfPage: pdfPage,
          imageResourcesPath: imageResourcesPath,
          renderInteractiveForms: renderInteractiveForms,
          linkService: this.linkService,
          downloadManager: this.downloadManager,
          l10n: l10n
        });
      }
    }, {
      key: 'getPagesOverview',
      value: function getPagesOverview() {
        var pagesOverview = this._pages.map(function (pageView) {
          var viewport = pageView.pdfPage.getViewport(1);
          return {
            width: viewport.width,
            height: viewport.height,
            rotation: viewport.rotation
          };
        });
        if (!this.enablePrintAutoRotate) {
          return pagesOverview;
        }
        var isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
        return pagesOverview.map(function (size) {
          if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
            return size;
          }
          return {
            width: size.height,
            height: size.width,
            rotation: (size.rotation + 90) % 360
          };
        });
      }
    }, {
      key: '_updateScrollMode',
      value: function _updateScrollMode() {
        var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
  
        var scrollMode = this._scrollMode,
            viewer = this.viewer;
        viewer.classList.toggle('scrollHorizontal', scrollMode === ScrollMode.HORIZONTAL);
        viewer.classList.toggle('scrollWrapped', scrollMode === ScrollMode.WRAPPED);
        if (!this.pdfDocument || !pageNumber) {
          return;
        }
        if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
          this._setScale(this._currentScaleValue, true);
        }
        this.scrollPageIntoView({ pageNumber: pageNumber });
        this.update();
      }
    }, {
      key: '_updateSpreadMode',
      value: function _updateSpreadMode() {
        var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
  
        if (!this.pdfDocument) {
          return;
        }
        var viewer = this.viewer,
            pages = this._pages;
        viewer.textContent = '';
        if (this._spreadMode === SpreadMode.NONE) {
          for (var i = 0, iMax = pages.length; i < iMax; ++i) {
            viewer.appendChild(pages[i].div);
          }
        } else {
          var parity = this._spreadMode - 1;
          var spread = null;
          for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
            if (spread === null) {
              spread = document.createElement('div');
              spread.className = 'spread';
              viewer.appendChild(spread);
            } else if (_i % 2 === parity) {
              spread = spread.cloneNode(false);
              viewer.appendChild(spread);
            }
            spread.appendChild(pages[_i].div);
          }
        }
        if (!pageNumber) {
          return;
        }
        this.scrollPageIntoView({ pageNumber: pageNumber });
        this.update();
      }
    }, {
      key: 'pagesCount',
      get: function get() {
        return this._pages.length;
      }
    }, {
      key: 'pageViewsReady',
      get: function get() {
        return this._pageViewsReady;
      }
    }, {
      key: 'currentPageNumber',
      get: function get() {
        return this._currentPageNumber;
      },
      set: function set(val) {
        if (!Number.isInteger(val)) {
          throw new Error('Invalid page number.');
        }
        if (!this.pdfDocument) {
          return;
        }
        this._setCurrentPageNumber(val, true);
      }
    }, {
      key: 'currentPageLabel',
      get: function get() {
        return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
      },
      set: function set(val) {
        var pageNumber = val | 0;
        if (this._pageLabels) {
          var i = this._pageLabels.indexOf(val);
          if (i >= 0) {
            pageNumber = i + 1;
          }
        }
        this.currentPageNumber = pageNumber;
      }
    }, {
      key: 'currentScale',
      get: function get() {
        return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
      },
      set: function set(val) {
        if (isNaN(val)) {
          throw new Error('Invalid numeric scale');
        }
        if (!this.pdfDocument) {
          return;
        }
        this._setScale(val, false);
      }
    }, {
      key: 'currentScaleValue',
      get: function get() {
        return this._currentScaleValue;
      },
      set: function set(val) {
        if (!this.pdfDocument) {
          return;
        }
        this._setScale(val, false);
      }
    }, {
      key: 'pagesRotation',
      get: function get() {
        return this._pagesRotation;
      },
      set: function set(rotation) {
        if (!(0, _ui_utils.isValidRotation)(rotation)) {
          throw new Error('Invalid pages rotation angle.');
        }
        if (!this.pdfDocument) {
          return;
        }
        if (this._pagesRotation === rotation) {
          return;
        }
        this._pagesRotation = rotation;
        var pageNumber = this._currentPageNumber;
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
          var pageView = this._pages[i];
          pageView.update(pageView.scale, rotation);
        }
        if (this._currentScaleValue) {
          this._setScale(this._currentScaleValue, true);
        }
        this.eventBus.dispatch('rotationchanging', {
          source: this,
          pagesRotation: rotation,
          pageNumber: pageNumber
        });
        if (this.defaultRenderingQueue) {
          this.update();
        }
      }
    }, {
      key: '_setDocumentViewerElement',
      get: function get() {
        throw new Error('Not implemented: _setDocumentViewerElement');
      }
    }, {
      key: '_isScrollModeHorizontal',
      get: function get() {
        throw new Error('Not implemented: _isScrollModeHorizontal');
      }
    }, {
      key: 'isInPresentationMode',
      get: function get() {
        return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
      }
    }, {
      key: 'isChangingPresentationMode',
      get: function get() {
        return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
      }
    }, {
      key: 'isHorizontalScrollbarEnabled',
      get: function get() {
        return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
      }
    }, {
      key: 'isVerticalScrollbarEnabled',
      get: function get() {
        return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
      }
    }, {
      key: 'hasEqualPageSizes',
      get: function get() {
        var firstPageView = this._pages[0];
        for (var i = 1, ii = this._pages.length; i < ii; ++i) {
          var pageView = this._pages[i];
          if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
            return false;
          }
        }
        return true;
      }
    }, {
      key: 'scrollMode',
      get: function get() {
        return this._scrollMode;
      },
      set: function set(mode) {
        if (this._scrollMode === mode) {
          return;
        }
        if (!Number.isInteger(mode) || !Object.values(ScrollMode).includes(mode)) {
          throw new Error('Invalid scroll mode: ' + mode);
        }
        this._scrollMode = mode;
        this.eventBus.dispatch('scrollmodechanged', {
          source: this,
          mode: mode
        });
        this._updateScrollMode(this._currentPageNumber);
      }
    }, {
      key: 'spreadMode',
      get: function get() {
        return this._spreadMode;
      },
      set: function set(mode) {
        if (this._spreadMode === mode) {
          return;
        }
        if (!Number.isInteger(mode) || !Object.values(SpreadMode).includes(mode)) {
          throw new Error('Invalid spread mode: ' + mode);
        }
        this._spreadMode = mode;
        this.eventBus.dispatch('spreadmodechanged', {
          source: this,
          mode: mode
        });
        this._updateSpreadMode(this._currentPageNumber);
      }
    }]);
  
    return BaseViewer;
  }();
  
  exports.BaseViewer = BaseViewer;
  exports.ScrollMode = ScrollMode;
  exports.SpreadMode = SpreadMode;
  
  /***/ }),
  /* 22 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFViewer = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _base_viewer = __w_pdfjs_require__(21);
  
  var _ui_utils = __w_pdfjs_require__(3);
  
  var _pdfjsLib = __w_pdfjs_require__(2);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  var PDFViewer = function (_BaseViewer) {
    _inherits(PDFViewer, _BaseViewer);
  
    function PDFViewer() {
      _classCallCheck(this, PDFViewer);
  
      return _possibleConstructorReturn(this, (PDFViewer.__proto__ || Object.getPrototypeOf(PDFViewer)).apply(this, arguments));
    }
  
    _createClass(PDFViewer, [{
      key: '_scrollIntoView',
      value: function _scrollIntoView(_ref) {
        var pageDiv = _ref.pageDiv,
            _ref$pageSpot = _ref.pageSpot,
            pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;
  
        if (!pageSpot && !this.isInPresentationMode) {
          var left = pageDiv.offsetLeft + pageDiv.clientLeft;
          var right = left + pageDiv.clientWidth;
          var _container = this.container,
              scrollLeft = _container.scrollLeft,
              clientWidth = _container.clientWidth;
  
          if (this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
            pageSpot = {
              left: 0,
              top: 0
            };
          }
        }
        (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
      }
    }, {
      key: '_getVisiblePages',
      value: function _getVisiblePages() {
        if (!this.isInPresentationMode) {
          return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL);
        }
        var currentPage = this._pages[this._currentPageNumber - 1];
        var visible = [{
          id: currentPage.id,
          view: currentPage
        }];
        return {
          first: currentPage,
          last: currentPage,
          views: visible
        };
      }
    }, {
      key: 'update',
      value: function update() {
        var visible = this._getVisiblePages();
        var visiblePages = visible.views,
            numVisiblePages = visiblePages.length;
        if (numVisiblePages === 0) {
          return;
        }
        this._resizeBuffer(numVisiblePages, visiblePages);
        this.renderingQueue.renderHighestPriority(visible);
        var currentId = this._currentPageNumber;
        var stillFullyVisible = false;
        for (var i = 0; i < numVisiblePages; ++i) {
          var page = visiblePages[i];
          if (page.percent < 100) {
            break;
          }
          if (page.id === currentId) {
            stillFullyVisible = true;
            break;
          }
        }
        if (!stillFullyVisible) {
          currentId = visiblePages[0].id;
        }
        if (!this.isInPresentationMode) {
          this._setCurrentPageNumber(currentId);
        }
        this._updateLocation(visible.first);
        this.eventBus.dispatch('updateviewarea', {
          source: this,
          location: this._location
        });
      }
    }, {
      key: '_setDocumentViewerElement',
      get: function get() {
        return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this.viewer);
      }
    }, {
      key: '_isScrollModeHorizontal',
      get: function get() {
        return this.isInPresentationMode ? false : this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL;
      }
    }]);
  
    return PDFViewer;
  }(_base_viewer.BaseViewer);
  
  exports.PDFViewer = PDFViewer;
  
  /***/ })
  /******/ ]);
  });
  //# sourceMappingURL=pdf_viewer.js.map