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File: assets/js/pdf_viewer.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: PHP Thesis Proposal Hub
Store and publish research thesis documents
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Date: 6 years ago
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/* Copyright 2017 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. */ (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.pdfjsDistWebPdfViewer = 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, { /******/ configurable: false, /******/ enumerable: true, /******/ get: getter /******/ }); /******/ } /******/ }; /******/ /******/ // 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 = 9); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ (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; /***/ }), /* 1 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.waitOnEventOrTimeout = exports.WaitOnType = exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.PresentationModeState = exports.cloneObj = 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 _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 _pdfjsLib = __w_pdfjs_require__(0); function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var CSS_UNITS = 96.0 / 72.0; var DEFAULT_SCALE_VALUE = 'auto'; var DEFAULT_SCALE = 1.0; var MIN_SCALE = 0.25; 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' }; 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 = { getDirection: function getDirection() { return Promise.resolve('ltr'); }, get: function get(property, args, fallback) { return Promise.resolve(formatL10nValue(fallback, args)); }, translate: function translate(element) { return Promise.resolve(); } }; _pdfjsLib.PDFJS.disableFullscreen = _pdfjsLib.PDFJS.disableFullscreen === undefined ? false : _pdfjsLib.PDFJS.disableFullscreen; _pdfjsLib.PDFJS.useOnlyCssZoom = _pdfjsLib.PDFJS.useOnlyCssZoom === undefined ? false : _pdfjsLib.PDFJS.useOnlyCssZoom; _pdfjsLib.PDFJS.maxCanvasPixels = _pdfjsLib.PDFJS.maxCanvasPixels === undefined ? 16777216 : _pdfjsLib.PDFJS.maxCanvasPixels; _pdfjsLib.PDFJS.disableHistory = _pdfjsLib.PDFJS.disableHistory === undefined ? false : _pdfjsLib.PDFJS.disableHistory; _pdfjsLib.PDFJS.disableTextLayer = _pdfjsLib.PDFJS.disableTextLayer === undefined ? false : _pdfjsLib.PDFJS.disableTextLayer; _pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom = _pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : _pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom; { _pdfjsLib.PDFJS.locale = _pdfjsLib.PDFJS.locale === undefined && typeof navigator !== 'undefined' ? navigator.language : _pdfjsLib.PDFJS.locale; } 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 || 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 currentY = viewAreaElement.scrollTop; var lastY = state.lastY; if (currentY !== lastY) { state.down = currentY > lastY; } state.lastY = currentY; callback(state); }); }; var state = { down: true, 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 getVisibleElements(scrollEl, views) { var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight; var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth; function isElementBottomBelowViewTop(view) { var element = view.div; var elementBottom = element.offsetTop + element.clientTop + element.clientHeight; return elementBottom > top; } var visible = [], view = void 0, element = void 0; var currentHeight = void 0, viewHeight = void 0, hiddenHeight = void 0, percentHeight = void 0; var currentWidth = void 0, viewWidth = void 0; var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop); for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) { view = views[i]; element = view.div; currentHeight = element.offsetTop + element.clientTop; viewHeight = element.clientHeight; if (currentHeight > bottom) { break; } currentWidth = element.offsetLeft + element.clientLeft; viewWidth = element.clientWidth; if (currentWidth + viewWidth < left || currentWidth > right) { continue; } hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom); percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0; visible.push({ id: view.id, x: currentWidth, y: currentHeight, view: view, percent: percentHeight }); } 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.substr(i, 5).toLowerCase() === 'data:'; } function getPDFFileNameFromURL(url) { var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf'; if (isDataSchema(url)) { console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.'); return defaultFilename; } var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/; var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i; var splitURI = reURI.exec(url); var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]); if (suggestedFilename) { suggestedFilename = suggestedFilename[0]; if (suggestedFilename.indexOf('%') !== -1) { try { suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0]; } catch (ex) {} } } return suggestedFilename || defaultFilename; } function normalizeWheelEventDelta(evt) { var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY); var angle = Math.atan2(evt.deltaY, evt.deltaX); if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { delta = -delta; } var MOUSE_DOM_DELTA_PIXEL_MODE = 0; var MOUSE_DOM_DELTA_LINE_MODE = 1; var MOUSE_PIXELS_PER_LINE = 30; var MOUSE_LINES_PER_PAGE = 30; if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) { delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) { delta /= MOUSE_LINES_PER_PAGE; } return delta; } function isValidRotation(angle) { return Number.isInteger(angle) && angle % 90 === 0; } function cloneObj(obj) { var result = Object.create(null); for (var i in obj) { if (Object.prototype.hasOwnProperty.call(obj, i)) { result[i] = obj[i]; } } return result; } var WaitOnType = { EVENT: 'event', TIMEOUT: 'timeout' }; function waitOnEventOrTimeout(_ref) { var target = _ref.target, name = _ref.name, _ref$delay = _ref.delay, delay = _ref$delay === undefined ? 0 : _ref$delay; if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) { return Promise.reject(new Error('waitOnEventOrTimeout - invalid paramaters.')); } var capability = (0, _pdfjsLib.createPromiseCapability)(); function handler(type) { if (target instanceof EventBus) { target.off(name, eventHandler); } else { target.removeEventListener(name, eventHandler); } if (timeout) { clearTimeout(timeout); } capability.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); return capability.promise; } var animationStarted = new Promise(function (resolve) { window.requestAnimationFrame(resolve); }); var mozL10n = void 0; var localized = Promise.resolve(); var EventBus = function () { function EventBus() { _classCallCheck(this, EventBus); this._listeners = Object.create(null); } _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) { return; } var args = Array.prototype.slice.call(arguments, 1); eventListeners.slice(0).forEach(function (listener) { listener.apply(null, args); }); } }]); return EventBus; }(); function clamp(v, min, max) { return Math.min(Math.max(v, min), max); } var ProgressBar = function () { function ProgressBar(id) { var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, height = _ref2.height, width = _ref2.width, units = _ref2.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; }(); 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.cloneObj = cloneObj; exports.PresentationModeState = PresentationModeState; exports.RendererType = RendererType; exports.mozL10n = mozL10n; exports.NullL10n = NullL10n; exports.EventBus = EventBus; exports.ProgressBar = ProgressBar; exports.getPDFFileNameFromURL = getPDFFileNameFromURL; exports.noContextMenuHandler = noContextMenuHandler; exports.parseQueryString = parseQueryString; exports.getVisibleElements = getVisibleElements; exports.roundToDivide = roundToDivide; exports.approximateFraction = approximateFraction; exports.getOutputScale = getOutputScale; exports.scrollIntoView = scrollIntoView; exports.watchScroll = watchScroll; exports.binarySearchFirstItem = binarySearchFirstItem; exports.normalizeWheelEventDelta = normalizeWheelEventDelta; exports.animationStarted = animationStarted; exports.localized = localized; exports.WaitOnType = WaitOnType; exports.waitOnEventOrTimeout = waitOnEventOrTimeout; /***/ }), /* 2 */ /***/ (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__(1); 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() { if (globalEventBus) { return globalEventBus; } globalEventBus = new _ui_utils.EventBus(); attachDOMEventsToEventBus(globalEventBus); return globalEventBus; } exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus; exports.getGlobalEventBus = getGlobalEventBus; /***/ }), /* 3 */ /***/ (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__(2); var _ui_utils = __w_pdfjs_require__(1); 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; _classCallCheck(this, PDFLinkService); this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)(); this.baseUrl = null; this.pdfDocument = null; this.pdfViewer = null; this.pdfHistory = null; this._pagesRefCache = null; } _createClass(PDFLinkService, [{ key: 'setDocument', value: function setDocument(pdfDocument, baseUrl) { 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 (!(data.explicitDest instanceof Array)) { 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 (dest instanceof Array) { 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.indexOf('=') >= 0) { 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.indexOf('Fit') === -1) { 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 (!(dest instanceof Array)) { 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: 'onFileAttachmentAnnotation', value: function onFileAttachmentAnnotation(_ref3) { var id = _ref3.id, filename = _ref3.filename, content = _ref3.content; this.eventBus.dispatch('fileattachmentannotation', { source: this, id: id, filename: filename, content: content }); } }, { key: 'cachePageRef', value: function cachePageRef(pageNum, pageRef) { 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 (!(dest instanceof Array)) { 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); } _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: 'onFileAttachmentAnnotation', value: function onFileAttachmentAnnotation(_ref4) { var id = _ref4.id, filename = _ref4.filename, content = _ref4.content; } }, { key: 'cachePageRef', value: function cachePageRef(pageNum, pageRef) {} }, { 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; /***/ }), /* 4 */ /***/ (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__(0); var _ui_utils = __w_pdfjs_require__(1); var _pdf_link_service = __w_pdfjs_require__(3); 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$renderInteractiv = _ref.renderInteractiveForms, renderInteractiveForms = _ref$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.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, 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 renderInteractiveForms = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n; return new AnnotationLayerBuilder({ pageDiv: pageDiv, pdfPage: pdfPage, renderInteractiveForms: renderInteractiveForms, linkService: new _pdf_link_service.SimpleLinkService(), l10n: l10n }); } }]); return DefaultAnnotationLayerFactory; }(); exports.AnnotationLayerBuilder = AnnotationLayerBuilder; exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory; /***/ }), /* 5 */ /***/ (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__(2); var _pdfjsLib = __w_pdfjs_require__(0); function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var EXPAND_DIVS_TIMEOUT = 300; 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._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) { this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx); } 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 === null || !this.findController.active) { 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: '_bindMouse', value: function _bindMouse() { var _this2 = this; var div = this.textLayerDiv; var expandDivsTimer = null; div.addEventListener('mousedown', function (evt) { if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) { _this2.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 (_this2.enhanceTextSelection && _this2.textLayerRenderTask) { expandDivsTimer = setTimeout(function () { if (_this2.textLayerRenderTask) { _this2.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; /***/ }), /* 6 */ /***/ (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__(1); var _pdfjsLib = __w_pdfjs_require__(0); var _dom_events = __w_pdfjs_require__(2); var _pdf_rendering_queue = __w_pdfjs_require__(7); function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 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.enhanceTextSelection = options.enhanceTextSelection || false; this.renderInteractiveForms = options.renderInteractiveForms || false; 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.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 && _pdfjsLib.PDFJS.maxCanvasPixels > 0) { var outputScale = this.outputScale; if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > _pdfjsLib.PDFJS.maxCanvasPixels) { isScalingRestricted = true; } } if (this.canvas) { if (_pdfjsLib.PDFJS.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; 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; } } }, { 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 + ')'; _pdfjsLib.CustomStyle.setProp('transform', target, 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; } _pdfjsLib.CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')'); _pdfjsLib.CustomStyle.setProp('transformOrigin', textLayerDiv, '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.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.enhanceTextSelection); } 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.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 (_pdfjsLib.PDFJS.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 (_pdfjsLib.PDFJS.maxCanvasPixels > 0) { var pixelsInViewport = viewport.width * viewport.height; var maxScale = Math.sqrt(_pdfjsLib.PDFJS.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, 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; /***/ }), /* 7 */ /***/ (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; /***/ }), /* 8 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); 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 _pdfjsLib = __w_pdfjs_require__(0); var _ui_utils = __w_pdfjs_require__(1); var _pdf_rendering_queue = __w_pdfjs_require__(7); var _annotation_layer_builder = __w_pdfjs_require__(4); var _dom_events = __w_pdfjs_require__(2); var _pdf_page_view = __w_pdfjs_require__(6); var _pdf_link_service = __w_pdfjs_require__(3); var _text_layer_builder = __w_pdfjs_require__(5); function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var DEFAULT_CACHE_SIZE = 10; 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) { size = newSize; 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; } function isPortraitOrientation(size) { return size.width <= size.height; } var BaseViewer = function () { function BaseViewer(options) { _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.removePageBorders = options.removePageBorders || false; this.enhanceTextSelection = options.enhanceTextSelection || false; this.renderInteractiveForms = options.renderInteractiveForms || false; this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; this.renderer = options.renderer || _ui_utils.RendererType.CANVAS; 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'); } } _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 _this = this; if (this.pdfDocument) { this._cancelRendering(); this._resetView(); } this.pdfDocument = pdfDocument; if (!pdfDocument) { return; } var pagesCount = pdfDocument.numPages; var pagesCapability = (0, _pdfjsLib.createPromiseCapability)(); this.pagesPromise = pagesCapability.promise; pagesCapability.promise.then(function () { _this._pageViewsReady = true; _this.eventBus.dispatch('pagesloaded', { source: _this, pagesCount: pagesCount }); }); var isOnePageRenderedResolved = false; var onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)(); this.onePageRendered = onePageRenderedCapability.promise; var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) { pageView.onBeforeDraw = function () { _this._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 = _this.currentScale; var viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS); for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { var textLayerFactory = null; if (!_pdfjsLib.PDFJS.disableTextLayer) { textLayerFactory = _this; } var pageView = new _pdf_page_view.PDFPageView({ container: _this._setDocumentViewerElement, eventBus: _this.eventBus, id: pageNum, scale: scale, defaultViewport: viewport.clone(), renderingQueue: _this.renderingQueue, textLayerFactory: textLayerFactory, annotationLayerFactory: _this, enhanceTextSelection: _this.enhanceTextSelection, renderInteractiveForms: _this.renderInteractiveForms, renderer: _this.renderer, l10n: _this.l10n }); bindOnAfterAndBeforeDraw(pageView); _this._pages.push(pageView); } onePageRenderedCapability.promise.then(function () { if (_pdfjsLib.PDFJS.disableAutoFetch) { pagesCapability.resolve(); return; } var getPagesLeft = pagesCount; var _loop = function _loop(_pageNum) { pdfDocument.getPage(_pageNum).then(function (pdfPage) { var pageView = _this._pages[_pageNum - 1]; if (!pageView.pdfPage) { pageView.setPdfPage(pdfPage); } _this.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); } }); _this.eventBus.dispatch('pagesinit', { source: _this }); if (_this.defaultRenderingQueue) { _this.update(); } if (_this.findController) { _this.findController.resolveFirstPage(); } }).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 (!(labels instanceof Array && 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.viewer.textContent = ''; } }, { 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 && !_pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(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 hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING; var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING; 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 isLandscape = currentPage.width > currentPage.height; var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : 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) { var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1); this._buffer.resize(suggestedCacheSize); } }, { 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 _this2 = 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); } _this2._pagesRequests[pageNumber] = null; return pdfPage; }).catch(function (reason) { console.error('Unable to get page for page view', reason); _this2._pagesRequests[pageNumber] = null; }); this._pagesRequests[pageNumber] = promise; return promise; } }, { key: 'forceRendering', value: function forceRendering(currentlyVisiblePages) { var _this3 = this; var visiblePages = currentlyVisiblePages || this._getVisiblePages(); var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down); if (pageView) { this._ensurePdfPageLoaded(pageView).then(function () { _this3.renderingQueue.renderView(pageView); }); return true; } return false; } }, { key: 'getPageTextContent', value: function getPageTextContent(pageIndex) { return this.pdfDocument.getPage(pageIndex + 1).then(function (page) { return page.getTextContent({ normalizeWhitespace: true }); }); } }, { 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 renderInteractiveForms = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n; return new _annotation_layer_builder.AnnotationLayerBuilder({ pageDiv: pageDiv, pdfPage: pdfPage, renderInteractiveForms: renderInteractiveForms, linkService: this.linkService, downloadManager: this.downloadManager, l10n: l10n }); } }, { key: 'setFindController', value: function setFindController(findController) { this.findController = findController; } }, { 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 = isPortraitOrientation(pagesOverview[0]); return pagesOverview.map(function (size) { if (isFirstPagePortrait === isPortraitOrientation(size)) { return size; } return { width: size.height, height: size.width, rotation: (size.rotation + 90) % 360 }; }); } }, { 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: '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: '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; } }]); return BaseViewer; }(); exports.BaseViewer = BaseViewer; /***/ }), /* 9 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.PDFJS = undefined; var _annotation_layer_builder = __w_pdfjs_require__(4); var _text_layer_builder = __w_pdfjs_require__(5); var _ui_utils = __w_pdfjs_require__(1); var _pdf_link_service = __w_pdfjs_require__(3); var _download_manager = __w_pdfjs_require__(10); var _genericl10n = __w_pdfjs_require__(11); var _pdf_find_controller = __w_pdfjs_require__(13); var _pdf_history = __w_pdfjs_require__(14); var _pdfjs = __w_pdfjs_require__(0); var _pdfjs2 = _interopRequireDefault(_pdfjs); var _pdf_page_view = __w_pdfjs_require__(6); var _pdf_single_page_viewer = __w_pdfjs_require__(15); var _pdf_viewer = __w_pdfjs_require__(16); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var PDFJS = _pdfjs2.default.PDFJS; PDFJS.PDFViewer = _pdf_viewer.PDFViewer; PDFJS.PDFSinglePageViewer = _pdf_single_page_viewer.PDFSinglePageViewer; PDFJS.PDFPageView = _pdf_page_view.PDFPageView; PDFJS.PDFLinkService = _pdf_link_service.PDFLinkService; PDFJS.SimpleLinkService = _pdf_link_service.SimpleLinkService; PDFJS.TextLayerBuilder = _text_layer_builder.TextLayerBuilder; PDFJS.DefaultTextLayerFactory = _text_layer_builder.DefaultTextLayerFactory; PDFJS.AnnotationLayerBuilder = _annotation_layer_builder.AnnotationLayerBuilder; PDFJS.DefaultAnnotationLayerFactory = _annotation_layer_builder.DefaultAnnotationLayerFactory; PDFJS.PDFHistory = _pdf_history.PDFHistory; PDFJS.PDFFindController = _pdf_find_controller.PDFFindController; PDFJS.EventBus = _ui_utils.EventBus; PDFJS.DownloadManager = _download_manager.DownloadManager; PDFJS.ProgressBar = _ui_utils.ProgressBar; PDFJS.GenericL10n = _genericl10n.GenericL10n; PDFJS.NullL10n = _ui_utils.NullL10n; exports.PDFJS = PDFJS; /***/ }), /* 10 */ /***/ (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__(0); function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } ; function _download(blobUrl, filename) { var a = document.createElement('a'); if (a.click) { a.href = blobUrl; a.target = '_parent'; if ('download' in a) { a.download = filename; } (document.body || document.documentElement).appendChild(a); a.click(); a.parentNode.removeChild(a); } else { if (window.top === window && blobUrl.split('#')[0] === window.location.href.split('#')[0]) { var padCharacter = blobUrl.indexOf('?') === -1 ? '?' : '&'; blobUrl = blobUrl.replace(/#|$/, padCharacter + '$&'); } window.open(blobUrl, '_parent'); } } var DownloadManager = function () { function DownloadManager() { _classCallCheck(this, DownloadManager); } _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, _pdfjsLib.PDFJS.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 (_pdfjsLib.PDFJS.disableCreateObjectURL) { this.downloadUrl(url, filename); return; } var blobUrl = URL.createObjectURL(blob); _download(blobUrl, filename); } }]); return DownloadManager; }(); exports.DownloadManager = DownloadManager; /***/ }), /* 11 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.GenericL10n = 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; }; }(); __w_pdfjs_require__(12); 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: 'getDirection', value: function getDirection() { return this._ready.then(function (l10n) { return l10n.getDirection(); }); } }, { key: 'get', value: function get(property, args, fallback) { return this._ready.then(function (l10n) { return l10n.get(property, args, fallback); }); } }, { key: 'translate', value: function translate(element) { return this._ready.then(function (l10n) { return l10n.translate(element); }); } }]); return GenericL10n; }(); exports.GenericL10n = GenericL10n; /***/ }), /* 12 */ /***/ (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.substr(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.substr(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); /***/ }), /* 13 */ /***/ (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__(0); var _ui_utils = __w_pdfjs_require__(1); 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_SCROLL_OFFSET_TOP = -50; var FIND_SCROLL_OFFSET_LEFT = -400; 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 pdfViewer = _ref.pdfViewer; _classCallCheck(this, PDFFindController); this.pdfViewer = pdfViewer; this.onUpdateResultsCount = null; this.onUpdateState = null; this.reset(); var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(''); this.normalizationRegex = new RegExp('[' + replace + ']', 'g'); } _createClass(PDFFindController, [{ key: 'reset', value: function reset() { var _this = this; this.startedTextExtraction = false; this.extractTextPromises = []; this.pendingFindMatches = Object.create(null); this.active = false; this.pageContents = []; this.pageMatches = []; this.pageMatchesLength = null; this.matchCount = 0; this.selected = { pageIdx: -1, matchIdx: -1 }; this.offset = { pageIdx: null, matchIdx: null }; this.pagesToSearch = null; this.resumePageIdx = null; this.state = null; this.dirtyMatch = false; this.findTimeout = null; this._firstPagePromise = new Promise(function (resolve) { _this.resolveFirstPage = resolve; }); } }, { 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: 'calcFindPhraseMatch', value: function calcFindPhraseMatch(query, pageIndex, pageContent) { var matches = []; var queryLen = query.length; var matchIdx = -queryLen; while (true) { matchIdx = pageContent.indexOf(query, matchIdx + queryLen); if (matchIdx === -1) { break; } matches.push(matchIdx); } this.pageMatches[pageIndex] = matches; } }, { key: 'calcFindWordMatch', value: function calcFindWordMatch(query, pageIndex, pageContent) { 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; } 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: 'calcFindMatch', value: function calcFindMatch(pageIndex) { var pageContent = this.normalize(this.pageContents[pageIndex]); var query = this.normalize(this.state.query); var caseSensitive = this.state.caseSensitive; var phraseSearch = this.state.phraseSearch; var queryLen = query.length; if (queryLen === 0) { return; } if (!caseSensitive) { pageContent = pageContent.toLowerCase(); query = query.toLowerCase(); } if (phraseSearch) { this.calcFindPhraseMatch(query, pageIndex, pageContent); } else { this.calcFindWordMatch(query, pageIndex, pageContent); } this.updatePage(pageIndex); if (this.resumePageIdx === pageIndex) { this.resumePageIdx = null; this.nextPageMatch(); } if (this.pageMatches[pageIndex].length > 0) { this.matchCount += this.pageMatches[pageIndex].length; this.updateUIResultsCount(); } } }, { key: 'extractText', value: function extractText() { var _this2 = this; if (this.startedTextExtraction) { return; } this.startedTextExtraction = true; this.pageContents.length = 0; 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.pdfViewer.getPageTextContent(i).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 page ' + (i + 1) + ' text content', reason); _this2.pageContents[i] = ''; extractTextCapability.resolve(i); }); }); }; for (var i = 0, ii = this.pdfViewer.pagesCount; i < ii; i++) { _loop(i, ii); } } }, { key: 'executeCommand', value: function executeCommand(cmd, state) { var _this3 = this; if (this.state === null || cmd !== 'findagain') { this.dirtyMatch = true; } this.state = state; this.updateUIState(FindState.PENDING); this._firstPagePromise.then(function () { _this3.extractText(); clearTimeout(_this3.findTimeout); if (cmd === 'find') { _this3.findTimeout = setTimeout(_this3.nextMatch.bind(_this3), FIND_TIMEOUT); } else { _this3.nextMatch(); } }); } }, { key: 'updatePage', value: function updatePage(index) { if (this.selected.pageIdx === index) { this.pdfViewer.currentPageNumber = index + 1; } var page = this.pdfViewer.getPageView(index); if (page.textLayer) { page.textLayer.updateMatches(); } } }, { key: 'nextMatch', value: function nextMatch() { var _this4 = this; var previous = this.state.findPrevious; var currentPageIndex = this.pdfViewer.currentPageNumber - 1; var numPages = this.pdfViewer.pagesCount; this.active = true; if (this.dirtyMatch) { this.dirtyMatch = false; this.selected.pageIdx = this.selected.matchIdx = -1; this.offset.pageIdx = currentPageIndex; this.offset.matchIdx = null; this.hadMatch = false; this.resumePageIdx = null; this.pageMatches = []; this.matchCount = 0; this.pageMatchesLength = null; 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 _this4.pendingFindMatches[pageIdx]; _this4.calcFindMatch(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) { this.hadMatch = true; 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) { this.hadMatch = true; 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: 'updateMatchPosition', value: function updateMatchPosition(pageIndex, matchIndex, elements, beginIdx) { if (this.selected.matchIdx === matchIndex && this.selected.pageIdx === pageIndex) { var spot = { top: FIND_SCROLL_OFFSET_TOP, left: FIND_SCROLL_OFFSET_LEFT }; (0, _ui_utils.scrollIntoView)(elements[beginIdx], spot, true); } } }, { 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.extractTextPromises.length; 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: 'updateUIResultsCount', value: function updateUIResultsCount() { if (this.onUpdateResultsCount) { this.onUpdateResultsCount(this.matchCount); } } }, { key: 'updateUIState', value: function updateUIState(state, previous) { if (this.onUpdateState) { this.onUpdateState(state, previous, this.matchCount); } } }]); return PDFFindController; }(); exports.FindState = FindState; exports.PDFFindController = PDFFindController; /***/ }), /* 14 */ /***/ (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__(1); var _dom_events = __w_pdfjs_require__(2); 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 (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' || !(explicitDest instanceof Array) || !(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, '', document.URL); } else { this._maxUid = this._uid; window.history.pushState(newState, '', document.URL); } } }, { 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 = (0, _ui_utils.cloneObj)(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 ((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._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 (first instanceof Array || second instanceof Array) { 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 (!(firstDest instanceof Array && secondDest instanceof Array)) { 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; /***/ }), /* 15 */ /***/ (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__(8); var _ui_utils = __w_pdfjs_require__(1); var _pdfjsLib = __w_pdfjs_require__(0); 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: '_setDocumentViewerElement', get: function get() { return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this._shadowViewer); } }]); return PDFSinglePageViewer; }(_base_viewer.BaseViewer); exports.PDFSinglePageViewer = PDFSinglePageViewer; /***/ }), /* 16 */ /***/ (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 _ui_utils = __w_pdfjs_require__(1); var _base_viewer = __w_pdfjs_require__(8); var _pdfjsLib = __w_pdfjs_require__(0); 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; (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot); } }, { key: '_getVisiblePages', value: function _getVisiblePages() { if (!this.isInPresentationMode) { return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true); } 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); 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); } }]); return PDFViewer; }(_base_viewer.BaseViewer); exports.PDFViewer = PDFViewer; /***/ }) /******/ ]); }); //# sourceMappingURL=pdf_viewer.js.map