/* 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
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