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pdf_viewer.js
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pdf_viewer.js
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/**
* @licstart The following is the entire license notice for the
* Javascript code in this page
*
* 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.
*
* @licend The above is the entire license notice for the
* Javascript code in this page
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define("pdfjs-dist/web/pdf_viewer", [], factory);
else if(typeof exports === 'object')
exports["pdfjs-dist/web/pdf_viewer"] = factory();
else
root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsViewer = factory();
})(typeof self !== 'undefined' ? self : 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";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.cloneObj = exports.isFileSchema = exports.isPortraitOrientation = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
var _pdfjsLib = __w_pdfjs_require__(1);
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 = 0.10;
var MAX_SCALE = 10.0;
var UNKNOWN_SCALE = 0;
var MAX_AUTO_SCALE = 1.25;
var SCROLLBAR_PADDING = 40;
var VERTICAL_PADDING = 5;
var PresentationModeState = {
UNKNOWN: 0,
NORMAL: 1,
CHANGING: 2,
FULLSCREEN: 3
};
var RendererType = {
CANVAS: 'canvas',
SVG: 'svg'
};
var TextLayerMode = {
DISABLE: 0,
ENABLE: 1,
ENABLE_ENHANCE: 2
};
function formatL10nValue(text, args) {
if (!args) {
return text;
}
return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
return name in args ? args[name] : '{{' + name + '}}';
});
}
var NullL10n = {
getLanguage: function getLanguage() {
return Promise.resolve('en-us');
},
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();
}
};
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 getPageSizeInches(_ref) {
var view = _ref.view,
userUnit = _ref.userUnit,
rotate = _ref.rotate;
var _view = _slicedToArray(view, 4),
x1 = _view[0],
y1 = _view[1],
x2 = _view[2],
y2 = _view[3];
var changeOrientation = rotate % 180 !== 0;
var width = (x2 - x1) / 72 * userUnit;
var height = (y2 - y1) / 72 * userUnit;
return {
width: changeOrientation ? height : width,
height: changeOrientation ? width : height
};
}
function 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 isFileSchema(url) {
var i = 0,
ii = url.length;
while (i < ii && url[i].trim() === '') {
i++;
}
return url.substr(i, 7).toLowerCase() === 'file://';
}
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 = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
var splitURI = reURI.exec(url);
var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
if (suggestedFilename) {
suggestedFilename = suggestedFilename[0];
if (suggestedFilename.includes('%')) {
try {
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
} catch (ex) {}
}
}
return suggestedFilename || defaultFilename;
}
function normalizeWheelEventDelta(evt) {
var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
var angle = Math.atan2(evt.deltaY, evt.deltaX);
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
delta = -delta;
}
var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
var MOUSE_DOM_DELTA_LINE_MODE = 1;
var MOUSE_PIXELS_PER_LINE = 30;
var MOUSE_LINES_PER_PAGE = 30;
if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
} else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
delta /= MOUSE_LINES_PER_PAGE;
}
return delta;
}
function isValidRotation(angle) {
return Number.isInteger(angle) && angle % 90 === 0;
}
function isPortraitOrientation(size) {
return size.width <= size.height;
}
function cloneObj(obj) {
var result = Object.create(null);
for (var i in obj) {
if (Object.prototype.hasOwnProperty.call(obj, i)) {
result[i] = obj[i];
}
}
return result;
}
var WaitOnType = {
EVENT: 'event',
TIMEOUT: 'timeout'
};
function waitOnEventOrTimeout(_ref2) {
var target = _ref2.target,
name = _ref2.name,
_ref2$delay = _ref2.delay,
delay = _ref2$delay === undefined ? 0 : _ref2$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 parameters.'));
}
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 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 _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
height = _ref3.height,
width = _ref3.width,
units = _ref3.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.isPortraitOrientation = isPortraitOrientation;
exports.isFileSchema = isFileSchema;
exports.cloneObj = cloneObj;
exports.PresentationModeState = PresentationModeState;
exports.RendererType = RendererType;
exports.TextLayerMode = TextLayerMode;
exports.NullL10n = NullL10n;
exports.EventBus = EventBus;
exports.ProgressBar = ProgressBar;
exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
exports.noContextMenuHandler = noContextMenuHandler;
exports.parseQueryString = parseQueryString;
exports.getVisibleElements = getVisibleElements;
exports.roundToDivide = roundToDivide;
exports.getPageSizeInches = getPageSizeInches;
exports.approximateFraction = approximateFraction;
exports.getOutputScale = getOutputScale;
exports.scrollIntoView = scrollIntoView;
exports.watchScroll = watchScroll;
exports.binarySearchFirstItem = binarySearchFirstItem;
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
exports.animationStarted = animationStarted;
exports.WaitOnType = WaitOnType;
exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
/***/ }),
/* 1 */
/***/ (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;
/***/ }),
/* 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__(0);
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__(0);
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var PDFLinkService = function () {
function PDFLinkService() {
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
eventBus = _ref.eventBus,
_ref$externalLinkTarg = _ref.externalLinkTarget,
externalLinkTarget = _ref$externalLinkTarg === undefined ? null : _ref$externalLinkTarg,
_ref$externalLinkRel = _ref.externalLinkRel,
externalLinkRel = _ref$externalLinkRel === undefined ? null : _ref$externalLinkRel;
_classCallCheck(this, PDFLinkService);
this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
this.externalLinkTarget = externalLinkTarget;
this.externalLinkRel = externalLinkRel;
this.baseUrl = null;
this.pdfDocument = null;
this.pdfViewer = null;
this.pdfHistory = null;
this._pagesRefCache = null;
}
_createClass(PDFLinkService, [{
key: 'setDocument',
value: function setDocument(pdfDocument, 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.includes('=')) {
var params = (0, _ui_utils.parseQueryString)(hash);
if ('search' in params) {
this.eventBus.dispatch('findfromurlhash', {
source: this,
query: params['search'].replace(/"/g, ''),
phraseSearch: params['phrase'] === 'true'
});
}
if ('nameddest' in params) {
this.navigateTo(params.nameddest);
return;
}
if ('page' in params) {
pageNumber = params.page | 0 || 1;
}
if ('zoom' in params) {
var zoomArgs = params.zoom.split(',');
var zoomArg = zoomArgs[0];
var zoomArgNumber = parseFloat(zoomArg);
if (!zoomArg.includes('Fit')) {
dest = [null, { name: 'XYZ' }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
} else {
if (zoomArg === 'Fit' || zoomArg === 'FitB') {
dest = [null, { name: zoomArg }];
} else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
dest = [null, { name: zoomArg }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
} else if (zoomArg === 'FitR') {
if (zoomArgs.length !== 5) {
console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
} else {
dest = [null, { name: zoomArg }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
}
} else {
console.error('PDFLinkService.setHash: "' + zoomArg + '" is not ' + 'a valid zoom value.');
}
}
}
if (dest) {
this.pdfViewer.scrollPageIntoView({
pageNumber: pageNumber || this.page,
destArray: dest,
allowNegativeOffset: true
});
} else if (pageNumber) {
this.page = pageNumber;
}
if ('pagemode' in params) {
this.eventBus.dispatch('pagemode', {
source: this,
mode: params.pagemode
});