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3499 lines
119 KiB
3499 lines
119 KiB
/* Copyright 2017 Mozilla Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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(function webpackUniversalModuleDefinition(root, factory) { |
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if(typeof exports === 'object' && typeof module === 'object') |
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module.exports = factory(); |
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else if(typeof define === 'function' && define.amd) |
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define("pdfjs-dist/web/pdf_viewer", [], factory); |
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else if(typeof exports === 'object') |
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exports["pdfjs-dist/web/pdf_viewer"] = factory(); |
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else |
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root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsDistWebPdfViewer = factory(); |
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})(this, function() { |
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return /******/ (function(modules) { // webpackBootstrap |
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/******/ // The module cache |
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/******/ var installedModules = {}; |
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/******/ |
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/******/ // The require function |
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/******/ function __w_pdfjs_require__(moduleId) { |
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/******/ |
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/******/ // Check if module is in cache |
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/******/ if(installedModules[moduleId]) { |
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/******/ return installedModules[moduleId].exports; |
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/******/ } |
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/******/ // Create a new module (and put it into the cache) |
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/******/ var module = installedModules[moduleId] = { |
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/******/ i: moduleId, |
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/******/ l: false, |
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/******/ exports: {} |
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/******/ }; |
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/******/ |
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/******/ // Execute the module function |
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/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__); |
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/******/ |
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/******/ // Flag the module as loaded |
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/******/ module.l = true; |
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/******/ |
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/******/ // Return the exports of the module |
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/******/ return module.exports; |
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/******/ } |
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/******/ |
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/******/ |
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/******/ // expose the modules object (__webpack_modules__) |
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/******/ __w_pdfjs_require__.m = modules; |
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/******/ |
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/******/ // expose the module cache |
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/******/ __w_pdfjs_require__.c = installedModules; |
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/******/ |
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/******/ // identity function for calling harmony imports with the correct context |
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/******/ __w_pdfjs_require__.i = function(value) { return value; }; |
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/******/ |
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/******/ // define getter function for harmony exports |
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/******/ __w_pdfjs_require__.d = function(exports, name, getter) { |
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/******/ if(!__w_pdfjs_require__.o(exports, name)) { |
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/******/ Object.defineProperty(exports, name, { |
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/******/ configurable: false, |
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/******/ enumerable: true, |
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/******/ get: getter |
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/******/ }); |
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/******/ } |
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/******/ }; |
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/******/ |
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/******/ // getDefaultExport function for compatibility with non-harmony modules |
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/******/ __w_pdfjs_require__.n = function(module) { |
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/******/ var getter = module && module.__esModule ? |
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/******/ function getDefault() { return module['default']; } : |
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/******/ function getModuleExports() { return module; }; |
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/******/ __w_pdfjs_require__.d(getter, 'a', getter); |
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/******/ return getter; |
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/******/ }; |
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/******/ |
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/******/ // Object.prototype.hasOwnProperty.call |
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/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; |
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/******/ |
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/******/ // __webpack_public_path__ |
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/******/ __w_pdfjs_require__.p = ""; |
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/******/ |
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/******/ // Load entry module and return exports |
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/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 12); |
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/******/ }) |
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/************************************************************************/ |
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/******/ ([ |
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/* 0 */ |
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/***/ (function(module, exports, __w_pdfjs_require__) { |
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"use strict"; |
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{ |
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var pdfjsLib; |
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if (typeof __pdfjsdev_webpack__ === 'undefined') { |
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if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) { |
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pdfjsLib = window['pdfjs-dist/build/pdf']; |
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} else if (typeof require === 'function') { |
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pdfjsLib = require('../build/pdf.js'); |
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} else { |
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throw new Error('Neither `require` nor `window` found'); |
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} |
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} |
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module.exports = pdfjsLib; |
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} |
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/***/ }), |
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/* 1 */ |
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/***/ (function(module, exports, __w_pdfjs_require__) { |
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"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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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.mozL10n = exports.RendererType = 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; |
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|
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var _pdfjs = __w_pdfjs_require__(0); |
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var CSS_UNITS = 96.0 / 72.0; |
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var DEFAULT_SCALE_VALUE = 'auto'; |
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var DEFAULT_SCALE = 1.0; |
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var MIN_SCALE = 0.25; |
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var MAX_SCALE = 10.0; |
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var UNKNOWN_SCALE = 0; |
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var MAX_AUTO_SCALE = 1.25; |
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var SCROLLBAR_PADDING = 40; |
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var VERTICAL_PADDING = 5; |
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var RendererType = { |
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CANVAS: 'canvas', |
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SVG: 'svg' |
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}; |
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var mozL10n = typeof document !== 'undefined' ? document.mozL10n || document.webL10n : undefined; |
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_pdfjs.PDFJS.disableFullscreen = _pdfjs.PDFJS.disableFullscreen === undefined ? false : _pdfjs.PDFJS.disableFullscreen; |
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_pdfjs.PDFJS.useOnlyCssZoom = _pdfjs.PDFJS.useOnlyCssZoom === undefined ? false : _pdfjs.PDFJS.useOnlyCssZoom; |
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_pdfjs.PDFJS.maxCanvasPixels = _pdfjs.PDFJS.maxCanvasPixels === undefined ? 16777216 : _pdfjs.PDFJS.maxCanvasPixels; |
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_pdfjs.PDFJS.disableHistory = _pdfjs.PDFJS.disableHistory === undefined ? false : _pdfjs.PDFJS.disableHistory; |
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_pdfjs.PDFJS.disableTextLayer = _pdfjs.PDFJS.disableTextLayer === undefined ? false : _pdfjs.PDFJS.disableTextLayer; |
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_pdfjs.PDFJS.ignoreCurrentPositionOnZoom = _pdfjs.PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : _pdfjs.PDFJS.ignoreCurrentPositionOnZoom; |
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{ |
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_pdfjs.PDFJS.locale = _pdfjs.PDFJS.locale === undefined && typeof navigator !== 'undefined' ? navigator.language : _pdfjs.PDFJS.locale; |
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} |
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function getOutputScale(ctx) { |
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var devicePixelRatio = window.devicePixelRatio || 1; |
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var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1; |
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var pixelRatio = devicePixelRatio / backingStoreRatio; |
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return { |
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sx: pixelRatio, |
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sy: pixelRatio, |
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scaled: pixelRatio !== 1 |
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}; |
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} |
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function scrollIntoView(element, spot, skipOverflowHiddenElements) { |
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var parent = element.offsetParent; |
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if (!parent) { |
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console.error('offsetParent is not set -- cannot scroll'); |
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return; |
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} |
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var checkOverflow = skipOverflowHiddenElements || false; |
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var offsetY = element.offsetTop + element.clientTop; |
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var offsetX = element.offsetLeft + element.clientLeft; |
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while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') { |
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if (parent.dataset._scaleY) { |
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offsetY /= parent.dataset._scaleY; |
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offsetX /= parent.dataset._scaleX; |
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} |
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offsetY += parent.offsetTop; |
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offsetX += parent.offsetLeft; |
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parent = parent.offsetParent; |
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if (!parent) { |
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return; |
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} |
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} |
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if (spot) { |
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if (spot.top !== undefined) { |
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offsetY += spot.top; |
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} |
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if (spot.left !== undefined) { |
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offsetX += spot.left; |
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parent.scrollLeft = offsetX; |
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} |
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} |
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parent.scrollTop = offsetY; |
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} |
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function watchScroll(viewAreaElement, callback) { |
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var debounceScroll = function debounceScroll(evt) { |
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if (rAF) { |
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return; |
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} |
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rAF = window.requestAnimationFrame(function viewAreaElementScrolled() { |
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rAF = null; |
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var currentY = viewAreaElement.scrollTop; |
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var lastY = state.lastY; |
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if (currentY !== lastY) { |
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state.down = currentY > lastY; |
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} |
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state.lastY = currentY; |
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callback(state); |
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}); |
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}; |
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var state = { |
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down: true, |
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lastY: viewAreaElement.scrollTop, |
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_eventHandler: debounceScroll |
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}; |
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var rAF = null; |
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viewAreaElement.addEventListener('scroll', debounceScroll, true); |
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return state; |
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} |
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function parseQueryString(query) { |
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var parts = query.split('&'); |
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var params = {}; |
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for (var i = 0, ii = parts.length; i < ii; ++i) { |
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var param = parts[i].split('='); |
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var key = param[0].toLowerCase(); |
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var value = param.length > 1 ? param[1] : null; |
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params[decodeURIComponent(key)] = decodeURIComponent(value); |
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} |
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return params; |
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} |
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function binarySearchFirstItem(items, condition) { |
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var minIndex = 0; |
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var maxIndex = items.length - 1; |
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if (items.length === 0 || !condition(items[maxIndex])) { |
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return items.length; |
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} |
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if (condition(items[minIndex])) { |
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return minIndex; |
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} |
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while (minIndex < maxIndex) { |
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var currentIndex = minIndex + maxIndex >> 1; |
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var currentItem = items[currentIndex]; |
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if (condition(currentItem)) { |
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maxIndex = currentIndex; |
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} else { |
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minIndex = currentIndex + 1; |
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} |
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} |
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return minIndex; |
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} |
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function approximateFraction(x) { |
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if (Math.floor(x) === x) { |
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return [x, 1]; |
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} |
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var xinv = 1 / x; |
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var limit = 8; |
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if (xinv > limit) { |
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return [1, limit]; |
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} else if (Math.floor(xinv) === xinv) { |
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return [1, xinv]; |
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} |
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var x_ = x > 1 ? xinv : x; |
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var a = 0, |
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b = 1, |
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c = 1, |
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d = 1; |
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while (true) { |
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var p = a + c, |
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q = b + d; |
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if (q > limit) { |
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break; |
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} |
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if (x_ <= p / q) { |
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c = p; |
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d = q; |
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} else { |
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a = p; |
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b = q; |
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} |
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} |
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var result; |
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if (x_ - a / b < c / d - x_) { |
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result = x_ === x ? [a, b] : [b, a]; |
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} else { |
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result = x_ === x ? [c, d] : [d, c]; |
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} |
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return result; |
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} |
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function roundToDivide(x, div) { |
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var r = x % div; |
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return r === 0 ? x : Math.round(x - r + div); |
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} |
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function getVisibleElements(scrollEl, views, sortByVisibility) { |
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var top = scrollEl.scrollTop, |
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bottom = top + scrollEl.clientHeight; |
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var left = scrollEl.scrollLeft, |
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right = left + scrollEl.clientWidth; |
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function isElementBottomBelowViewTop(view) { |
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var element = view.div; |
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var elementBottom = element.offsetTop + element.clientTop + element.clientHeight; |
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return elementBottom > top; |
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} |
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var visible = [], |
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view, |
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element; |
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var currentHeight, viewHeight, hiddenHeight, percentHeight; |
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var currentWidth, viewWidth; |
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var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop); |
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for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) { |
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view = views[i]; |
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element = view.div; |
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currentHeight = element.offsetTop + element.clientTop; |
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viewHeight = element.clientHeight; |
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if (currentHeight > bottom) { |
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break; |
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} |
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currentWidth = element.offsetLeft + element.clientLeft; |
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viewWidth = element.clientWidth; |
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if (currentWidth + viewWidth < left || currentWidth > right) { |
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continue; |
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} |
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hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom); |
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percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0; |
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visible.push({ |
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id: view.id, |
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x: currentWidth, |
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y: currentHeight, |
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view: view, |
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percent: percentHeight |
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}); |
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} |
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var first = visible[0]; |
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var last = visible[visible.length - 1]; |
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if (sortByVisibility) { |
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visible.sort(function (a, b) { |
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var pc = a.percent - b.percent; |
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if (Math.abs(pc) > 0.001) { |
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return -pc; |
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} |
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return a.id - b.id; |
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}); |
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} |
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return { |
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first: first, |
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last: last, |
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views: visible |
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}; |
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} |
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function noContextMenuHandler(e) { |
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e.preventDefault(); |
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} |
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function isDataSchema(url) { |
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var i = 0, |
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ii = url.length; |
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while (i < ii && url[i].trim() === '') { |
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i++; |
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} |
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return url.substr(i, 5).toLowerCase() === 'data:'; |
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} |
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function getPDFFileNameFromURL(url) { |
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var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf'; |
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|
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if (isDataSchema(url)) { |
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console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.'); |
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return defaultFilename; |
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} |
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var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/; |
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var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i; |
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var splitURI = reURI.exec(url); |
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var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]); |
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if (suggestedFilename) { |
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suggestedFilename = suggestedFilename[0]; |
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if (suggestedFilename.indexOf('%') !== -1) { |
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try { |
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suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0]; |
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} catch (e) {} |
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} |
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} |
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return suggestedFilename || defaultFilename; |
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} |
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function normalizeWheelEventDelta(evt) { |
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var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY); |
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var angle = Math.atan2(evt.deltaY, evt.deltaX); |
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if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { |
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delta = -delta; |
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} |
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var MOUSE_DOM_DELTA_PIXEL_MODE = 0; |
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var MOUSE_DOM_DELTA_LINE_MODE = 1; |
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var MOUSE_PIXELS_PER_LINE = 30; |
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var MOUSE_LINES_PER_PAGE = 30; |
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if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) { |
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delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; |
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} else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) { |
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delta /= MOUSE_LINES_PER_PAGE; |
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} |
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return delta; |
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} |
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var animationStarted = new Promise(function (resolve) { |
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window.requestAnimationFrame(resolve); |
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}); |
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var localized = new Promise(function (resolve, reject) { |
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if (!mozL10n) { |
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resolve(); |
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return; |
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} |
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if (mozL10n.getReadyState() !== 'loading') { |
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resolve(); |
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return; |
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} |
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window.addEventListener('localized', function localized(evt) { |
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resolve(); |
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}); |
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}); |
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var EventBus = function EventBusClosure() { |
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function EventBus() { |
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this._listeners = Object.create(null); |
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} |
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EventBus.prototype = { |
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on: function EventBus_on(eventName, listener) { |
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var eventListeners = this._listeners[eventName]; |
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if (!eventListeners) { |
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eventListeners = []; |
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this._listeners[eventName] = eventListeners; |
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} |
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eventListeners.push(listener); |
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}, |
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off: function EventBus_on(eventName, listener) { |
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var eventListeners = this._listeners[eventName]; |
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var i; |
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if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) { |
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return; |
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} |
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eventListeners.splice(i, 1); |
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}, |
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dispatch: function EventBus_dispath(eventName) { |
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var eventListeners = this._listeners[eventName]; |
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if (!eventListeners || eventListeners.length === 0) { |
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return; |
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} |
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var args = Array.prototype.slice.call(arguments, 1); |
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eventListeners.slice(0).forEach(function (listener) { |
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listener.apply(null, args); |
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}); |
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} |
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}; |
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return EventBus; |
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}(); |
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var ProgressBar = function ProgressBarClosure() { |
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function clamp(v, min, max) { |
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return Math.min(Math.max(v, min), max); |
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} |
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function ProgressBar(id, opts) { |
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this.visible = true; |
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this.div = document.querySelector(id + ' .progress'); |
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this.bar = this.div.parentNode; |
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this.height = opts.height || 100; |
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this.width = opts.width || 100; |
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this.units = opts.units || '%'; |
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this.div.style.height = this.height + this.units; |
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this.percent = 0; |
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} |
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ProgressBar.prototype = { |
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updateBar: function ProgressBar_updateBar() { |
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if (this._indeterminate) { |
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this.div.classList.add('indeterminate'); |
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this.div.style.width = this.width + this.units; |
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return; |
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} |
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this.div.classList.remove('indeterminate'); |
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var progressSize = this.width * this._percent / 100; |
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this.div.style.width = progressSize + this.units; |
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}, |
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get percent() { |
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return this._percent; |
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}, |
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set percent(val) { |
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this._indeterminate = isNaN(val); |
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this._percent = clamp(val, 0, 100); |
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this.updateBar(); |
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}, |
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setWidth: function ProgressBar_setWidth(viewer) { |
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if (viewer) { |
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var container = viewer.parentNode; |
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var scrollbarWidth = container.offsetWidth - viewer.offsetWidth; |
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if (scrollbarWidth > 0) { |
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this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);'); |
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} |
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} |
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}, |
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hide: function ProgressBar_hide() { |
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if (!this.visible) { |
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return; |
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} |
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this.visible = false; |
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this.bar.classList.add('hidden'); |
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document.body.classList.remove('loadingInProgress'); |
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}, |
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show: function ProgressBar_show() { |
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if (this.visible) { |
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return; |
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} |
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this.visible = true; |
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document.body.classList.add('loadingInProgress'); |
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this.bar.classList.remove('hidden'); |
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} |
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}; |
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return ProgressBar; |
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}(); |
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exports.CSS_UNITS = CSS_UNITS; |
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exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE; |
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exports.DEFAULT_SCALE = DEFAULT_SCALE; |
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exports.MIN_SCALE = MIN_SCALE; |
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exports.MAX_SCALE = MAX_SCALE; |
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exports.UNKNOWN_SCALE = UNKNOWN_SCALE; |
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exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE; |
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exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING; |
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exports.VERTICAL_PADDING = VERTICAL_PADDING; |
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exports.RendererType = RendererType; |
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exports.mozL10n = mozL10n; |
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exports.EventBus = EventBus; |
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exports.ProgressBar = ProgressBar; |
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exports.getPDFFileNameFromURL = getPDFFileNameFromURL; |
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exports.noContextMenuHandler = noContextMenuHandler; |
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exports.parseQueryString = parseQueryString; |
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exports.getVisibleElements = getVisibleElements; |
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exports.roundToDivide = roundToDivide; |
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exports.approximateFraction = approximateFraction; |
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exports.getOutputScale = getOutputScale; |
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exports.scrollIntoView = scrollIntoView; |
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exports.watchScroll = watchScroll; |
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exports.binarySearchFirstItem = binarySearchFirstItem; |
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exports.normalizeWheelEventDelta = normalizeWheelEventDelta; |
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exports.animationStarted = animationStarted; |
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exports.localized = localized; |
|
|
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/***/ }), |
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/* 2 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
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|
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
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exports.getGlobalEventBus = exports.attachDOMEventsToEventBus = undefined; |
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|
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var _ui_utils = __w_pdfjs_require__(1); |
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function attachDOMEventsToEventBus(eventBus) { |
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eventBus.on('documentload', function () { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('documentload', true, true, {}); |
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window.dispatchEvent(event); |
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}); |
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eventBus.on('pagerendered', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('pagerendered', true, true, { |
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pageNumber: e.pageNumber, |
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cssTransform: e.cssTransform |
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}); |
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e.source.div.dispatchEvent(event); |
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}); |
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eventBus.on('textlayerrendered', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber }); |
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e.source.textLayerDiv.dispatchEvent(event); |
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}); |
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eventBus.on('pagechange', function (e) { |
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var event = document.createEvent('UIEvents'); |
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event.initUIEvent('pagechange', true, true, window, 0); |
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event.pageNumber = e.pageNumber; |
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e.source.container.dispatchEvent(event); |
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}); |
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eventBus.on('pagesinit', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('pagesinit', true, true, null); |
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e.source.container.dispatchEvent(event); |
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}); |
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eventBus.on('pagesloaded', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount }); |
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e.source.container.dispatchEvent(event); |
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}); |
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eventBus.on('scalechange', function (e) { |
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var event = document.createEvent('UIEvents'); |
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event.initUIEvent('scalechange', true, true, window, 0); |
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event.scale = e.scale; |
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event.presetValue = e.presetValue; |
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e.source.container.dispatchEvent(event); |
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}); |
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eventBus.on('updateviewarea', function (e) { |
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var event = document.createEvent('UIEvents'); |
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event.initUIEvent('updateviewarea', true, true, window, 0); |
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event.location = e.location; |
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e.source.container.dispatchEvent(event); |
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}); |
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eventBus.on('find', function (e) { |
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if (e.source === window) { |
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return; |
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} |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('find' + e.type, true, true, { |
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query: e.query, |
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phraseSearch: e.phraseSearch, |
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caseSensitive: e.caseSensitive, |
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highlightAll: e.highlightAll, |
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findPrevious: e.findPrevious |
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}); |
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window.dispatchEvent(event); |
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}); |
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eventBus.on('attachmentsloaded', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount }); |
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e.source.container.dispatchEvent(event); |
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}); |
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eventBus.on('sidebarviewchanged', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view }); |
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e.source.outerContainer.dispatchEvent(event); |
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}); |
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eventBus.on('pagemode', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('pagemode', true, true, { mode: e.mode }); |
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e.source.pdfViewer.container.dispatchEvent(event); |
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}); |
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eventBus.on('namedaction', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('namedaction', true, true, { action: e.action }); |
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e.source.pdfViewer.container.dispatchEvent(event); |
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}); |
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eventBus.on('presentationmodechanged', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('presentationmodechanged', true, true, { |
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active: e.active, |
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switchInProgress: e.switchInProgress |
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}); |
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window.dispatchEvent(event); |
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}); |
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eventBus.on('outlineloaded', function (e) { |
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var event = document.createEvent('CustomEvent'); |
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event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount }); |
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e.source.container.dispatchEvent(event); |
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}); |
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} |
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var globalEventBus = null; |
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function getGlobalEventBus() { |
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if (globalEventBus) { |
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return globalEventBus; |
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} |
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globalEventBus = new _ui_utils.EventBus(); |
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attachDOMEventsToEventBus(globalEventBus); |
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return globalEventBus; |
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} |
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exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus; |
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exports.getGlobalEventBus = getGlobalEventBus; |
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|
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/***/ }), |
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/* 3 */ |
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/***/ (function(module, exports, __w_pdfjs_require__) { |
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|
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"use strict"; |
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|
|
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Object.defineProperty(exports, "__esModule", { |
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value: true |
|
}); |
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exports.SimpleLinkService = exports.PDFLinkService = undefined; |
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|
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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; }; |
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|
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var _dom_events = __w_pdfjs_require__(2); |
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var _ui_utils = __w_pdfjs_require__(1); |
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|
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var PageNumberRegExp = /^\d+$/; |
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function isPageNumber(str) { |
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return PageNumberRegExp.test(str); |
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} |
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var PDFLinkService = function PDFLinkServiceClosure() { |
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function PDFLinkService(options) { |
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options = options || {}; |
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this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)(); |
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this.baseUrl = null; |
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this.pdfDocument = null; |
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this.pdfViewer = null; |
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this.pdfHistory = null; |
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this._pagesRefCache = null; |
|
} |
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PDFLinkService.prototype = { |
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setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) { |
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this.baseUrl = baseUrl; |
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this.pdfDocument = pdfDocument; |
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this._pagesRefCache = Object.create(null); |
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}, |
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setViewer: function PDFLinkService_setViewer(pdfViewer) { |
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this.pdfViewer = pdfViewer; |
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}, |
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setHistory: function PDFLinkService_setHistory(pdfHistory) { |
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this.pdfHistory = pdfHistory; |
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}, |
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get pagesCount() { |
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return this.pdfDocument ? this.pdfDocument.numPages : 0; |
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}, |
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get page() { |
|
return this.pdfViewer.currentPageNumber; |
|
}, |
|
set page(value) { |
|
this.pdfViewer.currentPageNumber = value; |
|
}, |
|
navigateTo: function PDFLinkService_navigateTo(dest) { |
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var destString = ''; |
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var self = this; |
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var goToDestination = function goToDestination(destRef) { |
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var pageNumber; |
|
if (destRef instanceof Object) { |
|
pageNumber = self._cachedPageNumber(destRef); |
|
} else if ((destRef | 0) === destRef) { |
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pageNumber = destRef + 1; |
|
} else { |
|
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.'); |
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return; |
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} |
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if (pageNumber) { |
|
if (pageNumber < 1 || pageNumber > self.pagesCount) { |
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console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.'); |
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return; |
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} |
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self.pdfViewer.scrollPageIntoView({ |
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pageNumber: pageNumber, |
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destArray: dest |
|
}); |
|
if (self.pdfHistory) { |
|
self.pdfHistory.push({ |
|
dest: dest, |
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hash: destString, |
|
page: pageNumber |
|
}); |
|
} |
|
} else { |
|
self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) { |
|
self.cachePageRef(pageIndex + 1, destRef); |
|
goToDestination(destRef); |
|
}).catch(function () { |
|
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid page reference.'); |
|
}); |
|
} |
|
}; |
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var destinationPromise; |
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if (typeof dest === 'string') { |
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destString = dest; |
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destinationPromise = this.pdfDocument.getDestination(dest); |
|
} else { |
|
destinationPromise = Promise.resolve(dest); |
|
} |
|
destinationPromise.then(function (destination) { |
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dest = destination; |
|
if (!(destination instanceof Array)) { |
|
console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.'); |
|
return; |
|
} |
|
goToDestination(destination[0]); |
|
}); |
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}, |
|
getDestinationHash: function PDFLinkService_getDestinationHash(dest) { |
|
if (typeof dest === 'string') { |
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return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest)); |
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} |
|
if (dest instanceof Array) { |
|
var str = JSON.stringify(dest); |
|
return this.getAnchorUrl('#' + escape(str)); |
|
} |
|
return this.getAnchorUrl(''); |
|
}, |
|
getAnchorUrl: function PDFLinkService_getAnchorUrl(anchor) { |
|
return (this.baseUrl || '') + anchor; |
|
}, |
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setHash: function PDFLinkService_setHash(hash) { |
|
var pageNumber, dest; |
|
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) { |
|
if (this.pdfHistory) { |
|
this.pdfHistory.updateNextHashParam(params.nameddest); |
|
} |
|
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 { |
|
if (isPageNumber(hash) && hash <= this.pagesCount) { |
|
console.warn('PDFLinkService_setHash: specifying a page number ' + 'directly after the hash symbol (#) is deprecated, ' + 'please use the "#page=' + hash + '" form instead.'); |
|
this.page = hash | 0; |
|
} |
|
dest = unescape(hash); |
|
try { |
|
dest = JSON.parse(dest); |
|
if (!(dest instanceof Array)) { |
|
dest = dest.toString(); |
|
} |
|
} catch (ex) {} |
|
if (typeof dest === 'string' || isValidExplicitDestination(dest)) { |
|
if (this.pdfHistory) { |
|
this.pdfHistory.updateNextHashParam(dest); |
|
} |
|
this.navigateTo(dest); |
|
return; |
|
} |
|
console.error('PDFLinkService_setHash: \'' + unescape(hash) + '\' is not a valid destination.'); |
|
} |
|
}, |
|
executeNamedAction: function PDFLinkService_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 |
|
}); |
|
}, |
|
onFileAttachmentAnnotation: function onFileAttachmentAnnotation() { |
|
var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; |
|
|
|
this.eventBus.dispatch('fileattachmentannotation', { |
|
source: this, |
|
id: params.id, |
|
filename: params.filename, |
|
content: params.content |
|
}); |
|
}, |
|
|
|
cachePageRef: function PDFLinkService_cachePageRef(pageNum, pageRef) { |
|
var refStr = pageRef.num + ' ' + pageRef.gen + ' R'; |
|
this._pagesRefCache[refStr] = pageNum; |
|
}, |
|
_cachedPageNumber: function PDFLinkService_cachedPageNumber(pageRef) { |
|
var refStr = pageRef.num + ' ' + pageRef.gen + ' R'; |
|
return this._pagesRefCache && this._pagesRefCache[refStr] || null; |
|
} |
|
}; |
|
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' && typeof page.num === 'number' && (page.num | 0) === page.num && typeof page.gen === 'number' && (page.gen | 0) === page.gen) && !(typeof page === 'number' && (page | 0) === 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; |
|
} |
|
return PDFLinkService; |
|
}(); |
|
var SimpleLinkService = function SimpleLinkServiceClosure() { |
|
function SimpleLinkService() {} |
|
SimpleLinkService.prototype = { |
|
get page() { |
|
return 0; |
|
}, |
|
set page(value) {}, |
|
navigateTo: function navigateTo(dest) {}, |
|
getDestinationHash: function getDestinationHash(dest) { |
|
return '#'; |
|
}, |
|
getAnchorUrl: function getAnchorUrl(hash) { |
|
return '#'; |
|
}, |
|
setHash: function setHash(hash) {}, |
|
executeNamedAction: function executeNamedAction(action) {}, |
|
onFileAttachmentAnnotation: function onFileAttachmentAnnotation(params) {}, |
|
cachePageRef: function cachePageRef(pageNum, pageRef) {} |
|
}; |
|
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 _pdfjs = __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(options) { |
|
_classCallCheck(this, AnnotationLayerBuilder); |
|
|
|
this.pageDiv = options.pageDiv; |
|
this.pdfPage = options.pdfPage; |
|
this.renderInteractiveForms = options.renderInteractiveForms; |
|
this.linkService = options.linkService; |
|
this.downloadManager = options.downloadManager; |
|
this.div = null; |
|
} |
|
|
|
_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) { |
|
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) { |
|
_pdfjs.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; |
|
_pdfjs.AnnotationLayer.render(parameters); |
|
if (typeof _ui_utils.mozL10n !== 'undefined') { |
|
_ui_utils.mozL10n.translate(_this.div); |
|
} |
|
} |
|
}); |
|
} |
|
}, { |
|
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; |
|
|
|
return new AnnotationLayerBuilder({ |
|
pageDiv: pageDiv, |
|
pdfPage: pdfPage, |
|
renderInteractiveForms: renderInteractiveForms, |
|
linkService: new _pdf_link_service.SimpleLinkService() |
|
}); |
|
} |
|
}]); |
|
|
|
return DefaultAnnotationLayerFactory; |
|
}(); |
|
|
|
exports.AnnotationLayerBuilder = AnnotationLayerBuilder; |
|
exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory; |
|
|
|
/***/ }), |
|
/* 5 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.PDFPageView = undefined; |
|
|
|
var _ui_utils = __w_pdfjs_require__(1); |
|
|
|
var _pdfjs = __w_pdfjs_require__(0); |
|
|
|
var _dom_events = __w_pdfjs_require__(2); |
|
|
|
var _pdf_rendering_queue = __w_pdfjs_require__(7); |
|
|
|
var TEXT_LAYER_RENDER_DELAY = 200; |
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var PDFPageView = function PDFPageViewClosure() { |
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function PDFPageView(options) { |
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var container = options.container; |
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var id = options.id; |
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var scale = options.scale; |
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var defaultViewport = options.defaultViewport; |
|
var renderingQueue = options.renderingQueue; |
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var textLayerFactory = options.textLayerFactory; |
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var annotationLayerFactory = options.annotationLayerFactory; |
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var enhanceTextSelection = options.enhanceTextSelection || false; |
|
var renderInteractiveForms = options.renderInteractiveForms || false; |
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this.id = id; |
|
this.renderingId = 'page' + id; |
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this.pageLabel = null; |
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this.rotation = 0; |
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this.scale = scale || _ui_utils.DEFAULT_SCALE; |
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this.viewport = defaultViewport; |
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this.pdfPageRotate = defaultViewport.rotation; |
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this.hasRestrictedScaling = false; |
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this.enhanceTextSelection = enhanceTextSelection; |
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this.renderInteractiveForms = renderInteractiveForms; |
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this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)(); |
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this.renderingQueue = renderingQueue; |
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this.textLayerFactory = textLayerFactory; |
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this.annotationLayerFactory = annotationLayerFactory; |
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this.renderer = options.renderer || _ui_utils.RendererType.CANVAS; |
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this.paintTask = null; |
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this.paintedViewportMap = new WeakMap(); |
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this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL; |
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this.resume = null; |
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this.error = null; |
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this.onBeforeDraw = null; |
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this.onAfterDraw = null; |
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this.textLayer = null; |
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this.zoomLayer = null; |
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this.annotationLayer = null; |
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var div = document.createElement('div'); |
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div.className = 'page'; |
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div.style.width = Math.floor(this.viewport.width) + 'px'; |
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div.style.height = Math.floor(this.viewport.height) + 'px'; |
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div.setAttribute('data-page-number', this.id); |
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this.div = div; |
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container.appendChild(div); |
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} |
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PDFPageView.prototype = { |
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setPdfPage: function PDFPageView_setPdfPage(pdfPage) { |
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this.pdfPage = pdfPage; |
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this.pdfPageRotate = pdfPage.rotate; |
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var totalRotation = (this.rotation + this.pdfPageRotate) % 360; |
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this.viewport = pdfPage.getViewport(this.scale * _ui_utils.CSS_UNITS, totalRotation); |
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this.stats = pdfPage.stats; |
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this.reset(); |
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}, |
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destroy: function PDFPageView_destroy() { |
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this.reset(); |
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if (this.pdfPage) { |
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this.pdfPage.cleanup(); |
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} |
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}, |
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_resetZoomLayer: function _resetZoomLayer() { |
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var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; |
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|
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if (!this.zoomLayer) { |
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return; |
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} |
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var zoomLayerCanvas = this.zoomLayer.firstChild; |
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this.paintedViewportMap.delete(zoomLayerCanvas); |
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zoomLayerCanvas.width = 0; |
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zoomLayerCanvas.height = 0; |
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if (removeFromDOM) { |
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this.zoomLayer.remove(); |
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} |
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this.zoomLayer = null; |
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}, |
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|
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reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) { |
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this.cancelRendering(); |
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var div = this.div; |
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div.style.width = Math.floor(this.viewport.width) + 'px'; |
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div.style.height = Math.floor(this.viewport.height) + 'px'; |
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var childNodes = div.childNodes; |
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var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null; |
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var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null; |
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for (var i = childNodes.length - 1; i >= 0; i--) { |
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var node = childNodes[i]; |
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if (currentZoomLayerNode === node || currentAnnotationNode === node) { |
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continue; |
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} |
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div.removeChild(node); |
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} |
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div.removeAttribute('data-loaded'); |
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if (currentAnnotationNode) { |
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this.annotationLayer.hide(); |
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} else { |
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this.annotationLayer = null; |
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} |
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if (!currentZoomLayerNode) { |
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if (this.canvas) { |
|
this.paintedViewportMap.delete(this.canvas); |
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this.canvas.width = 0; |
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this.canvas.height = 0; |
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delete this.canvas; |
|
} |
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this._resetZoomLayer(); |
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} |
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if (this.svg) { |
|
this.paintedViewportMap.delete(this.svg); |
|
delete this.svg; |
|
} |
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this.loadingIconDiv = document.createElement('div'); |
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this.loadingIconDiv.className = 'loadingIcon'; |
|
div.appendChild(this.loadingIconDiv); |
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}, |
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update: function PDFPageView_update(scale, rotation) { |
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this.scale = scale || this.scale; |
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if (typeof rotation !== 'undefined') { |
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this.rotation = rotation; |
|
} |
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var totalRotation = (this.rotation + this.pdfPageRotate) % 360; |
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this.viewport = this.viewport.clone({ |
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scale: this.scale * _ui_utils.CSS_UNITS, |
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rotation: totalRotation |
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}); |
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if (this.svg) { |
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this.cssTransform(this.svg, true); |
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this.eventBus.dispatch('pagerendered', { |
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source: this, |
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pageNumber: this.id, |
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cssTransform: true |
|
}); |
|
return; |
|
} |
|
var isScalingRestricted = false; |
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if (this.canvas && _pdfjs.PDFJS.maxCanvasPixels > 0) { |
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var outputScale = this.outputScale; |
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if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > _pdfjs.PDFJS.maxCanvasPixels) { |
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isScalingRestricted = true; |
|
} |
|
} |
|
if (this.canvas) { |
|
if (_pdfjs.PDFJS.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) { |
|
this.cssTransform(this.canvas, true); |
|
this.eventBus.dispatch('pagerendered', { |
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source: this, |
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pageNumber: this.id, |
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cssTransform: true |
|
}); |
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return; |
|
} |
|
if (!this.zoomLayer) { |
|
this.zoomLayer = this.canvas.parentNode; |
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this.zoomLayer.style.position = 'absolute'; |
|
} |
|
} |
|
if (this.zoomLayer) { |
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this.cssTransform(this.zoomLayer.firstChild); |
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} |
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this.reset(true, true); |
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}, |
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cancelRendering: function PDFPageView_cancelRendering() { |
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if (this.paintTask) { |
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this.paintTask.cancel(); |
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this.paintTask = null; |
|
} |
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this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL; |
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this.resume = null; |
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if (this.textLayer) { |
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this.textLayer.cancel(); |
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this.textLayer = null; |
|
} |
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}, |
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updatePosition: function PDFPageView_updatePosition() { |
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if (this.textLayer) { |
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this.textLayer.render(TEXT_LAYER_RENDER_DELAY); |
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} |
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}, |
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cssTransform: function PDFPageView_transform(target, redrawAnnotations) { |
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var width = this.viewport.width; |
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var height = this.viewport.height; |
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var div = this.div; |
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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'; |
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var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation; |
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var absRotation = Math.abs(relativeRotation); |
|
var scaleX = 1, |
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scaleY = 1; |
|
if (absRotation === 90 || absRotation === 270) { |
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scaleX = height / width; |
|
scaleY = width / height; |
|
} |
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var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')'; |
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_pdfjs.CustomStyle.setProp('transform', target, cssTransform); |
|
if (this.textLayer) { |
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var textLayerViewport = this.textLayer.viewport; |
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var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation; |
|
var textAbsRotation = Math.abs(textRelativeRotation); |
|
var scale = width / textLayerViewport.width; |
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if (textAbsRotation === 90 || textAbsRotation === 270) { |
|
scale = width / textLayerViewport.height; |
|
} |
|
var textLayerDiv = this.textLayer.textLayerDiv; |
|
var transX, transY; |
|
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; |
|
} |
|
_pdfjs.CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')'); |
|
_pdfjs.CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%'); |
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} |
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if (redrawAnnotations && this.annotationLayer) { |
|
this.annotationLayer.render(this.viewport, 'display'); |
|
} |
|
}, |
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get width() { |
|
return this.viewport.width; |
|
}, |
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get height() { |
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return this.viewport.height; |
|
}, |
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getPagePoint: function PDFPageView_getPagePoint(x, y) { |
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return this.viewport.convertToPdfPoint(x, y); |
|
}, |
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draw: function PDFPageView_draw() { |
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if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) { |
|
console.error('Must be in new state before drawing'); |
|
this.reset(); |
|
} |
|
this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING; |
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var self = this; |
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var pdfPage = this.pdfPage; |
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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'); |
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if (this.annotationLayer && this.annotationLayer.div) { |
|
div.insertBefore(canvasWrapper, this.annotationLayer.div); |
|
} else { |
|
div.appendChild(canvasWrapper); |
|
} |
|
var textLayerDiv = null; |
|
var textLayer = null; |
|
if (this.textLayerFactory) { |
|
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 (!self.renderingQueue.isHighestPriority(self)) { |
|
self.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED; |
|
self.resume = function resumeCallback() { |
|
self.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING; |
|
cont(); |
|
}; |
|
return; |
|
} |
|
cont(); |
|
}; |
|
} |
|
var finishPaintTask = function finishPaintTask(error) { |
|
if (paintTask === self.paintTask) { |
|
self.paintTask = null; |
|
} |
|
if (error === 'cancelled' || error instanceof _pdfjs.RenderingCancelledException) { |
|
self.error = null; |
|
return Promise.resolve(undefined); |
|
} |
|
self.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED; |
|
if (self.loadingIconDiv) { |
|
div.removeChild(self.loadingIconDiv); |
|
delete self.loadingIconDiv; |
|
} |
|
self._resetZoomLayer(true); |
|
self.error = error; |
|
self.stats = pdfPage.stats; |
|
if (self.onAfterDraw) { |
|
self.onAfterDraw(); |
|
} |
|
self.eventBus.dispatch('pagerendered', { |
|
source: self, |
|
pageNumber: self.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) { |
|
pdfPage.getTextContent({ normalizeWhitespace: true }).then(function textContentResolved(textContent) { |
|
textLayer.setTextContent(textContent); |
|
textLayer.render(TEXT_LAYER_RENDER_DELAY); |
|
}); |
|
} |
|
}); |
|
}, function (reason) { |
|
return finishPaintTask(reason); |
|
}); |
|
if (this.annotationLayerFactory) { |
|
if (!this.annotationLayer) { |
|
this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.renderInteractiveForms); |
|
} |
|
this.annotationLayer.render(this.viewport, 'display'); |
|
} |
|
div.setAttribute('data-loaded', true); |
|
if (this.onBeforeDraw) { |
|
this.onBeforeDraw(); |
|
} |
|
return resultPromise; |
|
}, |
|
paintOnCanvas: function paintOnCanvas(canvasWrapper) { |
|
var renderCapability = (0, _pdfjs.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 = 'page' + this.id; |
|
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 (_pdfjs.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 (_pdfjs.PDFJS.maxCanvasPixels > 0) { |
|
var pixelsInViewport = viewport.width * viewport.height; |
|
var maxScale = Math.sqrt(_pdfjs.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 pdfPageRenderCallback() { |
|
showCanvas(); |
|
renderCapability.resolve(undefined); |
|
}, function pdfPageRenderError(error) { |
|
showCanvas(); |
|
renderCapability.reject(error); |
|
}); |
|
return result; |
|
}, |
|
|
|
paintOnSvg: function PDFPageView_paintOnSvg(wrapper) { |
|
var cancelled = false; |
|
var ensureNotCancelled = function ensureNotCancelled() { |
|
if (cancelled) { |
|
if (_pdfjs.PDFJS.pdfjsNext) { |
|
throw new _pdfjs.RenderingCancelledException('Rendering cancelled, page ' + self.id, 'svg'); |
|
} else { |
|
throw 'cancelled'; |
|
} |
|
} |
|
}; |
|
var self = this; |
|
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 _pdfjs.SVGGraphics(pdfPage.commonObjs, pdfPage.objs); |
|
return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) { |
|
ensureNotCancelled(); |
|
self.svg = svg; |
|
self.paintedViewportMap.set(svg, actualSizeViewport); |
|
svg.style.width = wrapper.style.width; |
|
svg.style.height = wrapper.style.height; |
|
self.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED; |
|
wrapper.appendChild(svg); |
|
}); |
|
}); |
|
return { |
|
promise: promise, |
|
onRenderContinue: function onRenderContinue(cont) { |
|
cont(); |
|
}, |
|
cancel: function cancel() { |
|
cancelled = true; |
|
} |
|
}; |
|
}, |
|
setPageLabel: function PDFView_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'); |
|
} |
|
} |
|
}; |
|
return PDFPageView; |
|
}(); |
|
exports.PDFPageView = PDFPageView; |
|
|
|
/***/ }), |
|
/* 6 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.DefaultTextLayerFactory = exports.TextLayerBuilder = undefined; |
|
|
|
var _dom_events = __w_pdfjs_require__(2); |
|
|
|
var _pdfjs = __w_pdfjs_require__(0); |
|
|
|
var EXPAND_DIVS_TIMEOUT = 300; |
|
var TextLayerBuilder = function TextLayerBuilderClosure() { |
|
function TextLayerBuilder(options) { |
|
this.textLayerDiv = options.textLayerDiv; |
|
this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)(); |
|
this.textContent = null; |
|
this.renderingDone = false; |
|
this.pageIdx = options.pageIndex; |
|
this.pageNumber = this.pageIdx + 1; |
|
this.matches = []; |
|
this.viewport = options.viewport; |
|
this.textDivs = []; |
|
this.findController = options.findController || null; |
|
this.textLayerRenderTask = null; |
|
this.enhanceTextSelection = options.enhanceTextSelection; |
|
this._bindMouse(); |
|
} |
|
TextLayerBuilder.prototype = { |
|
_finishRendering: function TextLayerBuilder_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 |
|
}); |
|
}, |
|
render: function TextLayerBuilder_render(timeout) { |
|
if (!this.textContent || this.renderingDone) { |
|
return; |
|
} |
|
this.cancel(); |
|
this.textDivs = []; |
|
var textLayerFrag = document.createDocumentFragment(); |
|
this.textLayerRenderTask = (0, _pdfjs.renderTextLayer)({ |
|
textContent: this.textContent, |
|
container: textLayerFrag, |
|
viewport: this.viewport, |
|
textDivs: this.textDivs, |
|
timeout: timeout, |
|
enhanceTextSelection: this.enhanceTextSelection |
|
}); |
|
this.textLayerRenderTask.promise.then(function () { |
|
this.textLayerDiv.appendChild(textLayerFrag); |
|
this._finishRendering(); |
|
this.updateMatches(); |
|
}.bind(this), function (reason) {}); |
|
}, |
|
cancel: function TextLayerBuilder_cancel() { |
|
if (this.textLayerRenderTask) { |
|
this.textLayerRenderTask.cancel(); |
|
this.textLayerRenderTask = null; |
|
} |
|
}, |
|
setTextContent: function TextLayerBuilder_setTextContent(textContent) { |
|
this.cancel(); |
|
this.textContent = textContent; |
|
}, |
|
convertMatches: function TextLayerBuilder_convertMatches(matches, matchesLength) { |
|
var i = 0; |
|
var iIndex = 0; |
|
var bidiTexts = this.textContent.items; |
|
var end = bidiTexts.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 + bidiTexts[i].str.length) { |
|
iIndex += bidiTexts[i].str.length; |
|
i++; |
|
} |
|
if (i === bidiTexts.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 + bidiTexts[i].str.length) { |
|
iIndex += bidiTexts[i].str.length; |
|
i++; |
|
} |
|
match.end = { |
|
divIdx: i, |
|
offset: matchIdx - iIndex |
|
}; |
|
ret.push(match); |
|
} |
|
return ret; |
|
}, |
|
renderMatches: function TextLayerBuilder_renderMatches(matches) { |
|
if (matches.length === 0) { |
|
return; |
|
} |
|
var bidiTexts = this.textContent.items; |
|
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 = bidiTexts[divIdx].str.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); |
|
} |
|
}, |
|
updateMatches: function TextLayerBuilder_updateMatches() { |
|
if (!this.renderingDone) { |
|
return; |
|
} |
|
var matches = this.matches; |
|
var textDivs = this.textDivs; |
|
var bidiTexts = this.textContent.items; |
|
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 = bidiTexts[n].str; |
|
div.className = ''; |
|
} |
|
clearedUntilDivIdx = match.end.divIdx + 1; |
|
} |
|
if (this.findController === null || !this.findController.active) { |
|
return; |
|
} |
|
var pageMatches, pageMatchesLength; |
|
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); |
|
}, |
|
_bindMouse: function TextLayerBuilder_bindMouse() { |
|
var div = this.textLayerDiv; |
|
var self = this; |
|
var expandDivsTimer = null; |
|
div.addEventListener('mousedown', function (e) { |
|
if (self.enhanceTextSelection && self.textLayerRenderTask) { |
|
self.textLayerRenderTask.expandTextDivs(true); |
|
if (expandDivsTimer) { |
|
clearTimeout(expandDivsTimer); |
|
expandDivsTimer = null; |
|
} |
|
return; |
|
} |
|
var end = div.querySelector('.endOfContent'); |
|
if (!end) { |
|
return; |
|
} |
|
var adjustTop = e.target !== div; |
|
adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none'; |
|
if (adjustTop) { |
|
var divBounds = div.getBoundingClientRect(); |
|
var r = Math.max(0, (e.pageY - divBounds.top) / divBounds.height); |
|
end.style.top = (r * 100).toFixed(2) + '%'; |
|
} |
|
end.classList.add('active'); |
|
}); |
|
div.addEventListener('mouseup', function (e) { |
|
if (self.enhanceTextSelection && self.textLayerRenderTask) { |
|
expandDivsTimer = setTimeout(function () { |
|
if (self.textLayerRenderTask) { |
|
self.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; |
|
}(); |
|
function DefaultTextLayerFactory() {} |
|
DefaultTextLayerFactory.prototype = { |
|
createTextLayerBuilder: 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 |
|
}); |
|
} |
|
}; |
|
exports.TextLayerBuilder = TextLayerBuilder; |
|
exports.DefaultTextLayerFactory = DefaultTextLayerFactory; |
|
|
|
/***/ }), |
|
/* 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.DownloadManager = undefined; |
|
|
|
var _pdfjs = __w_pdfjs_require__(0); |
|
|
|
; |
|
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'); |
|
} |
|
} |
|
function DownloadManager() {} |
|
DownloadManager.prototype = { |
|
downloadUrl: function DownloadManager_downloadUrl(url, filename) { |
|
if (!(0, _pdfjs.createValidAbsoluteUrl)(url, 'http://example.com')) { |
|
return; |
|
} |
|
download(url + '#pdfjs.action=download', filename); |
|
}, |
|
downloadData: function DownloadManager_downloadData(data, filename, contentType) { |
|
if (navigator.msSaveBlob) { |
|
return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename); |
|
} |
|
var blobUrl = (0, _pdfjs.createObjectURL)(data, contentType, _pdfjs.PDFJS.disableCreateObjectURL); |
|
download(blobUrl, filename); |
|
}, |
|
download: function DownloadManager_download(blob, url, filename) { |
|
if (navigator.msSaveBlob) { |
|
if (!navigator.msSaveBlob(blob, filename)) { |
|
this.downloadUrl(url, filename); |
|
} |
|
return; |
|
} |
|
if (_pdfjs.PDFJS.disableCreateObjectURL) { |
|
this.downloadUrl(url, filename); |
|
return; |
|
} |
|
var blobUrl = URL.createObjectURL(blob); |
|
download(blobUrl, filename); |
|
} |
|
}; |
|
exports.DownloadManager = DownloadManager; |
|
|
|
/***/ }), |
|
/* 9 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.PDFFindController = exports.FindStates = undefined; |
|
|
|
var _ui_utils = __w_pdfjs_require__(1); |
|
|
|
var FindStates = { |
|
FIND_FOUND: 0, |
|
FIND_NOTFOUND: 1, |
|
FIND_WRAPPED: 2, |
|
FIND_PENDING: 3 |
|
}; |
|
var FIND_SCROLL_OFFSET_TOP = -50; |
|
var FIND_SCROLL_OFFSET_LEFT = -400; |
|
var CHARACTERS_TO_NORMALIZE = { |
|
'\u2018': '\'', |
|
'\u2019': '\'', |
|
'\u201A': '\'', |
|
'\u201B': '\'', |
|
'\u201C': '"', |
|
'\u201D': '"', |
|
'\u201E': '"', |
|
'\u201F': '"', |
|
'\xBC': '1/4', |
|
'\xBD': '1/2', |
|
'\xBE': '3/4' |
|
}; |
|
var PDFFindController = function PDFFindControllerClosure() { |
|
function PDFFindController(options) { |
|
this.pdfViewer = options.pdfViewer || null; |
|
this.onUpdateResultsCount = null; |
|
this.onUpdateState = null; |
|
this.reset(); |
|
var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(''); |
|
this.normalizationRegex = new RegExp('[' + replace + ']', 'g'); |
|
} |
|
PDFFindController.prototype = { |
|
reset: function PDFFindController_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; |
|
}); |
|
}, |
|
normalize: function PDFFindController_normalize(text) { |
|
return text.replace(this.normalizationRegex, function (ch) { |
|
return CHARACTERS_TO_NORMALIZE[ch]; |
|
}); |
|
}, |
|
_prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) { |
|
function isSubTerm(matchesWithLength, currentIndex) { |
|
var currentElem, prevElem, nextElem; |
|
currentElem = matchesWithLength[currentIndex]; |
|
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--) { |
|
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; |
|
} |
|
var i, len; |
|
matchesWithLength.sort(function (a, b) { |
|
return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match; |
|
}); |
|
for (i = 0, len = matchesWithLength.length; i < len; i++) { |
|
if (isSubTerm(matchesWithLength, i)) { |
|
continue; |
|
} |
|
matches.push(matchesWithLength[i].match); |
|
matchesLength.push(matchesWithLength[i].matchLength); |
|
} |
|
}, |
|
calcFindPhraseMatch: function PDFFindController_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; |
|
}, |
|
calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) { |
|
var matchesWithLength = []; |
|
var queryArray = query.match(/\S+/g); |
|
var subquery, subqueryLen, matchIdx; |
|
for (var i = 0, len = queryArray.length; i < len; i++) { |
|
subquery = queryArray[i]; |
|
subqueryLen = subquery.length; |
|
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]); |
|
}, |
|
calcFindMatch: function PDFFindController_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(); |
|
} |
|
}, |
|
extractText: function PDFFindController_extractText() { |
|
if (this.startedTextExtraction) { |
|
return; |
|
} |
|
this.startedTextExtraction = true; |
|
this.pageContents = []; |
|
var extractTextPromisesResolves = []; |
|
var numPages = this.pdfViewer.pagesCount; |
|
for (var i = 0; i < numPages; i++) { |
|
this.extractTextPromises.push(new Promise(function (resolve) { |
|
extractTextPromisesResolves.push(resolve); |
|
})); |
|
} |
|
var self = this; |
|
function extractPageText(pageIndex) { |
|
self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) { |
|
var textItems = textContent.items; |
|
var str = []; |
|
for (var i = 0, len = textItems.length; i < len; i++) { |
|
str.push(textItems[i].str); |
|
} |
|
self.pageContents.push(str.join('')); |
|
extractTextPromisesResolves[pageIndex](pageIndex); |
|
if (pageIndex + 1 < self.pdfViewer.pagesCount) { |
|
extractPageText(pageIndex + 1); |
|
} |
|
}); |
|
} |
|
extractPageText(0); |
|
}, |
|
executeCommand: function PDFFindController_executeCommand(cmd, state) { |
|
if (this.state === null || cmd !== 'findagain') { |
|
this.dirtyMatch = true; |
|
} |
|
this.state = state; |
|
this.updateUIState(FindStates.FIND_PENDING); |
|
this._firstPagePromise.then(function () { |
|
this.extractText(); |
|
clearTimeout(this.findTimeout); |
|
if (cmd === 'find') { |
|
this.findTimeout = setTimeout(this.nextMatch.bind(this), 250); |
|
} else { |
|
this.nextMatch(); |
|
} |
|
}.bind(this)); |
|
}, |
|
updatePage: function PDFFindController_updatePage(index) { |
|
if (this.selected.pageIdx === index) { |
|
this.pdfViewer.currentPageNumber = index + 1; |
|
} |
|
var page = this.pdfViewer.getPageView(index); |
|
if (page.textLayer) { |
|
page.textLayer.updateMatches(); |
|
} |
|
}, |
|
nextMatch: function PDFFindController_nextMatch() { |
|
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; |
|
var self = this; |
|
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 self.pendingFindMatches[pageIdx]; |
|
self.calcFindMatch(pageIdx); |
|
}); |
|
} |
|
} |
|
} |
|
if (this.state.query === '') { |
|
this.updateUIState(FindStates.FIND_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(); |
|
}, |
|
matchesReady: function PDFFindController_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; |
|
}, |
|
updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) { |
|
if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) { |
|
var spot = { |
|
top: FIND_SCROLL_OFFSET_TOP, |
|
left: FIND_SCROLL_OFFSET_LEFT |
|
}; |
|
(0, _ui_utils.scrollIntoView)(elements[beginIdx], spot, true); |
|
} |
|
}, |
|
nextPageMatch: function PDFFindController_nextPageMatch() { |
|
if (this.resumePageIdx !== null) { |
|
console.error('There can only be one pending page.'); |
|
} |
|
do { |
|
var pageIdx = this.offset.pageIdx; |
|
var matches = this.pageMatches[pageIdx]; |
|
if (!matches) { |
|
this.resumePageIdx = pageIdx; |
|
break; |
|
} |
|
} while (!this.matchesReady(matches)); |
|
}, |
|
advanceOffsetPage: function PDFFindController_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; |
|
} |
|
}, |
|
updateMatch: function PDFFindController_updateMatch(found) { |
|
var state = FindStates.FIND_NOTFOUND; |
|
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 ? FindStates.FIND_WRAPPED : FindStates.FIND_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); |
|
} |
|
}, |
|
updateUIResultsCount: function PDFFindController_updateUIResultsCount() { |
|
if (this.onUpdateResultsCount) { |
|
this.onUpdateResultsCount(this.matchCount); |
|
} |
|
}, |
|
updateUIState: function PDFFindController_updateUIState(state, previous) { |
|
if (this.onUpdateState) { |
|
this.onUpdateState(state, previous, this.matchCount); |
|
} |
|
} |
|
}; |
|
return PDFFindController; |
|
}(); |
|
exports.FindStates = FindStates; |
|
exports.PDFFindController = PDFFindController; |
|
|
|
/***/ }), |
|
/* 10 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.PDFHistory = undefined; |
|
|
|
var _dom_events = __w_pdfjs_require__(2); |
|
|
|
function PDFHistory(options) { |
|
this.linkService = options.linkService; |
|
this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)(); |
|
this.initialized = false; |
|
this.initialDestination = null; |
|
this.initialBookmark = null; |
|
} |
|
PDFHistory.prototype = { |
|
initialize: function pdfHistoryInitialize(fingerprint) { |
|
this.initialized = true; |
|
this.reInitialized = false; |
|
this.allowHashChange = true; |
|
this.historyUnlocked = true; |
|
this.isViewerInPresentationMode = false; |
|
this.previousHash = window.location.hash.substring(1); |
|
this.currentBookmark = ''; |
|
this.currentPage = 0; |
|
this.updatePreviousBookmark = false; |
|
this.previousBookmark = ''; |
|
this.previousPage = 0; |
|
this.nextHashParam = ''; |
|
this.fingerprint = fingerprint; |
|
this.currentUid = this.uid = 0; |
|
this.current = {}; |
|
var state = window.history.state; |
|
if (this._isStateObjectDefined(state)) { |
|
if (state.target.dest) { |
|
this.initialDestination = state.target.dest; |
|
} else { |
|
this.initialBookmark = state.target.hash; |
|
} |
|
this.currentUid = state.uid; |
|
this.uid = state.uid + 1; |
|
this.current = state.target; |
|
} else { |
|
if (state && state.fingerprint && this.fingerprint !== state.fingerprint) { |
|
this.reInitialized = true; |
|
} |
|
this._pushOrReplaceState({ fingerprint: this.fingerprint }, true); |
|
} |
|
var self = this; |
|
window.addEventListener('popstate', function pdfHistoryPopstate(evt) { |
|
if (!self.historyUnlocked) { |
|
return; |
|
} |
|
if (evt.state) { |
|
self._goTo(evt.state); |
|
return; |
|
} |
|
if (self.uid === 0) { |
|
var previousParams = self.previousHash && self.currentBookmark && self.previousHash !== self.currentBookmark ? { |
|
hash: self.currentBookmark, |
|
page: self.currentPage |
|
} : { page: 1 }; |
|
replacePreviousHistoryState(previousParams, function () { |
|
updateHistoryWithCurrentHash(); |
|
}); |
|
} else { |
|
updateHistoryWithCurrentHash(); |
|
} |
|
}); |
|
function updateHistoryWithCurrentHash() { |
|
self.previousHash = window.location.hash.slice(1); |
|
self._pushToHistory({ hash: self.previousHash }, false, true); |
|
self._updatePreviousBookmark(); |
|
} |
|
function replacePreviousHistoryState(params, callback) { |
|
self.historyUnlocked = false; |
|
self.allowHashChange = false; |
|
window.addEventListener('popstate', rewriteHistoryAfterBack); |
|
history.back(); |
|
function rewriteHistoryAfterBack() { |
|
window.removeEventListener('popstate', rewriteHistoryAfterBack); |
|
window.addEventListener('popstate', rewriteHistoryAfterForward); |
|
self._pushToHistory(params, false, true); |
|
history.forward(); |
|
} |
|
function rewriteHistoryAfterForward() { |
|
window.removeEventListener('popstate', rewriteHistoryAfterForward); |
|
self.allowHashChange = true; |
|
self.historyUnlocked = true; |
|
callback(); |
|
} |
|
} |
|
function pdfHistoryBeforeUnload() { |
|
var previousParams = self._getPreviousParams(null, true); |
|
if (previousParams) { |
|
var replacePrevious = !self.current.dest && self.current.hash !== self.previousHash; |
|
self._pushToHistory(previousParams, false, replacePrevious); |
|
self._updatePreviousBookmark(); |
|
} |
|
window.removeEventListener('beforeunload', pdfHistoryBeforeUnload); |
|
} |
|
window.addEventListener('beforeunload', pdfHistoryBeforeUnload); |
|
window.addEventListener('pageshow', function pdfHistoryPageShow(evt) { |
|
window.addEventListener('beforeunload', pdfHistoryBeforeUnload); |
|
}); |
|
self.eventBus.on('presentationmodechanged', function (e) { |
|
self.isViewerInPresentationMode = e.active; |
|
}); |
|
}, |
|
clearHistoryState: function pdfHistory_clearHistoryState() { |
|
this._pushOrReplaceState(null, true); |
|
}, |
|
_isStateObjectDefined: function pdfHistory_isStateObjectDefined(state) { |
|
return state && state.uid >= 0 && state.fingerprint && this.fingerprint === state.fingerprint && state.target && state.target.hash ? true : false; |
|
}, |
|
_pushOrReplaceState: function pdfHistory_pushOrReplaceState(stateObj, replace) { |
|
if (replace) { |
|
window.history.replaceState(stateObj, '', document.URL); |
|
} else { |
|
window.history.pushState(stateObj, '', document.URL); |
|
} |
|
}, |
|
get isHashChangeUnlocked() { |
|
if (!this.initialized) { |
|
return true; |
|
} |
|
return this.allowHashChange; |
|
}, |
|
_updatePreviousBookmark: function pdfHistory_updatePreviousBookmark() { |
|
if (this.updatePreviousBookmark && this.currentBookmark && this.currentPage) { |
|
this.previousBookmark = this.currentBookmark; |
|
this.previousPage = this.currentPage; |
|
this.updatePreviousBookmark = false; |
|
} |
|
}, |
|
updateCurrentBookmark: function pdfHistoryUpdateCurrentBookmark(bookmark, pageNum) { |
|
if (this.initialized) { |
|
this.currentBookmark = bookmark.substring(1); |
|
this.currentPage = pageNum | 0; |
|
this._updatePreviousBookmark(); |
|
} |
|
}, |
|
updateNextHashParam: function pdfHistoryUpdateNextHashParam(param) { |
|
if (this.initialized) { |
|
this.nextHashParam = param; |
|
} |
|
}, |
|
push: function pdfHistoryPush(params, isInitialBookmark) { |
|
if (!(this.initialized && this.historyUnlocked)) { |
|
return; |
|
} |
|
if (params.dest && !params.hash) { |
|
params.hash = this.current.hash && this.current.dest && this.current.dest === params.dest ? this.current.hash : this.linkService.getDestinationHash(params.dest).split('#')[1]; |
|
} |
|
if (params.page) { |
|
params.page |= 0; |
|
} |
|
if (isInitialBookmark) { |
|
var target = window.history.state.target; |
|
if (!target) { |
|
this._pushToHistory(params, false); |
|
this.previousHash = window.location.hash.substring(1); |
|
} |
|
this.updatePreviousBookmark = this.nextHashParam ? false : true; |
|
if (target) { |
|
this._updatePreviousBookmark(); |
|
} |
|
return; |
|
} |
|
if (this.nextHashParam) { |
|
if (this.nextHashParam === params.hash) { |
|
this.nextHashParam = null; |
|
this.updatePreviousBookmark = true; |
|
return; |
|
} |
|
this.nextHashParam = null; |
|
} |
|
if (params.hash) { |
|
if (this.current.hash) { |
|
if (this.current.hash !== params.hash) { |
|
this._pushToHistory(params, true); |
|
} else { |
|
if (!this.current.page && params.page) { |
|
this._pushToHistory(params, false, true); |
|
} |
|
this.updatePreviousBookmark = true; |
|
} |
|
} else { |
|
this._pushToHistory(params, true); |
|
} |
|
} else if (this.current.page && params.page && this.current.page !== params.page) { |
|
this._pushToHistory(params, true); |
|
} |
|
}, |
|
_getPreviousParams: function pdfHistory_getPreviousParams(onlyCheckPage, beforeUnload) { |
|
if (!(this.currentBookmark && this.currentPage)) { |
|
return null; |
|
} else if (this.updatePreviousBookmark) { |
|
this.updatePreviousBookmark = false; |
|
} |
|
if (this.uid > 0 && !(this.previousBookmark && this.previousPage)) { |
|
return null; |
|
} |
|
if (!this.current.dest && !onlyCheckPage || beforeUnload) { |
|
if (this.previousBookmark === this.currentBookmark) { |
|
return null; |
|
} |
|
} else if (this.current.page || onlyCheckPage) { |
|
if (this.previousPage === this.currentPage) { |
|
return null; |
|
} |
|
} else { |
|
return null; |
|
} |
|
var params = { |
|
hash: this.currentBookmark, |
|
page: this.currentPage |
|
}; |
|
if (this.isViewerInPresentationMode) { |
|
params.hash = null; |
|
} |
|
return params; |
|
}, |
|
_stateObj: function pdfHistory_stateObj(params) { |
|
return { |
|
fingerprint: this.fingerprint, |
|
uid: this.uid, |
|
target: params |
|
}; |
|
}, |
|
_pushToHistory: function pdfHistory_pushToHistory(params, addPrevious, overwrite) { |
|
if (!this.initialized) { |
|
return; |
|
} |
|
if (!params.hash && params.page) { |
|
params.hash = 'page=' + params.page; |
|
} |
|
if (addPrevious && !overwrite) { |
|
var previousParams = this._getPreviousParams(); |
|
if (previousParams) { |
|
var replacePrevious = !this.current.dest && this.current.hash !== this.previousHash; |
|
this._pushToHistory(previousParams, false, replacePrevious); |
|
} |
|
} |
|
this._pushOrReplaceState(this._stateObj(params), overwrite || this.uid === 0); |
|
this.currentUid = this.uid++; |
|
this.current = params; |
|
this.updatePreviousBookmark = true; |
|
}, |
|
_goTo: function pdfHistory_goTo(state) { |
|
if (!(this.initialized && this.historyUnlocked && this._isStateObjectDefined(state))) { |
|
return; |
|
} |
|
if (!this.reInitialized && state.uid < this.currentUid) { |
|
var previousParams = this._getPreviousParams(true); |
|
if (previousParams) { |
|
this._pushToHistory(this.current, false); |
|
this._pushToHistory(previousParams, false); |
|
this.currentUid = state.uid; |
|
window.history.back(); |
|
return; |
|
} |
|
} |
|
this.historyUnlocked = false; |
|
if (state.target.dest) { |
|
this.linkService.navigateTo(state.target.dest); |
|
} else { |
|
this.linkService.setHash(state.target.hash); |
|
} |
|
this.currentUid = state.uid; |
|
if (state.uid > this.uid) { |
|
this.uid = state.uid; |
|
} |
|
this.current = state.target; |
|
this.updatePreviousBookmark = true; |
|
var currentHash = window.location.hash.substring(1); |
|
if (this.previousHash !== currentHash) { |
|
this.allowHashChange = false; |
|
} |
|
this.previousHash = currentHash; |
|
this.historyUnlocked = true; |
|
}, |
|
back: function pdfHistoryBack() { |
|
this.go(-1); |
|
}, |
|
forward: function pdfHistoryForward() { |
|
this.go(1); |
|
}, |
|
go: function pdfHistoryGo(direction) { |
|
if (this.initialized && this.historyUnlocked) { |
|
var state = window.history.state; |
|
if (direction === -1 && state && state.uid > 0) { |
|
window.history.back(); |
|
} else if (direction === 1 && state && state.uid < this.uid - 1) { |
|
window.history.forward(); |
|
} |
|
} |
|
} |
|
}; |
|
exports.PDFHistory = PDFHistory; |
|
|
|
/***/ }), |
|
/* 11 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.PDFViewer = exports.PresentationModeState = undefined; |
|
|
|
var _pdfjs = __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__(5); |
|
|
|
var _pdf_link_service = __w_pdfjs_require__(3); |
|
|
|
var _text_layer_builder = __w_pdfjs_require__(6); |
|
|
|
var PresentationModeState = { |
|
UNKNOWN: 0, |
|
NORMAL: 1, |
|
CHANGING: 2, |
|
FULLSCREEN: 3 |
|
}; |
|
var DEFAULT_CACHE_SIZE = 10; |
|
var PDFViewer = function pdfViewer() { |
|
function PDFPageViewBuffer(size) { |
|
var data = []; |
|
this.push = function cachePush(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; |
|
} |
|
function PDFViewer(options) { |
|
this.container = options.container; |
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this.viewer = options.viewer || options.container.firstElementChild; |
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this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)(); |
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this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService(); |
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this.downloadManager = options.downloadManager || null; |
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this.removePageBorders = options.removePageBorders || false; |
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this.enhanceTextSelection = options.enhanceTextSelection || false; |
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this.renderInteractiveForms = options.renderInteractiveForms || false; |
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this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; |
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this.renderer = options.renderer || _ui_utils.RendererType.CANVAS; |
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this.defaultRenderingQueue = !options.renderingQueue; |
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if (this.defaultRenderingQueue) { |
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this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); |
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this.renderingQueue.setViewer(this); |
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} else { |
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this.renderingQueue = options.renderingQueue; |
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} |
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this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this)); |
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this.presentationModeState = PresentationModeState.UNKNOWN; |
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this._resetView(); |
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if (this.removePageBorders) { |
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this.viewer.classList.add('removePageBorders'); |
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} |
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} |
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PDFViewer.prototype = { |
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get pagesCount() { |
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return this._pages.length; |
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}, |
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getPageView: function getPageView(index) { |
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return this._pages[index]; |
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}, |
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|
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get pageViewsReady() { |
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return this._pageViewsReady; |
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}, |
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get currentPageNumber() { |
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return this._currentPageNumber; |
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}, |
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set currentPageNumber(val) { |
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if ((val | 0) !== val) { |
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throw new Error('Invalid page number.'); |
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} |
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if (!this.pdfDocument) { |
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this._currentPageNumber = val; |
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return; |
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} |
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this._setCurrentPageNumber(val, true); |
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}, |
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_setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) { |
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if (this._currentPageNumber === val) { |
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if (resetCurrentPageView) { |
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this._resetCurrentPageView(); |
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} |
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return; |
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} |
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if (!(0 < val && val <= this.pagesCount)) { |
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console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.'); |
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return; |
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} |
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var arg = { |
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source: this, |
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pageNumber: val, |
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pageLabel: this._pageLabels && this._pageLabels[val - 1] |
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}; |
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this._currentPageNumber = val; |
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this.eventBus.dispatch('pagechanging', arg); |
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this.eventBus.dispatch('pagechange', arg); |
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if (resetCurrentPageView) { |
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this._resetCurrentPageView(); |
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} |
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}, |
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get currentPageLabel() { |
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return this._pageLabels && this._pageLabels[this._currentPageNumber - 1]; |
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}, |
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set currentPageLabel(val) { |
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var pageNumber = val | 0; |
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if (this._pageLabels) { |
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var i = this._pageLabels.indexOf(val); |
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if (i >= 0) { |
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pageNumber = i + 1; |
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} |
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} |
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this.currentPageNumber = pageNumber; |
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}, |
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get currentScale() { |
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return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE; |
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}, |
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set currentScale(val) { |
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if (isNaN(val)) { |
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throw new Error('Invalid numeric scale'); |
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} |
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if (!this.pdfDocument) { |
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this._currentScale = val; |
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this._currentScaleValue = val !== _ui_utils.UNKNOWN_SCALE ? val.toString() : null; |
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return; |
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} |
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this._setScale(val, false); |
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}, |
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get currentScaleValue() { |
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return this._currentScaleValue; |
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}, |
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set currentScaleValue(val) { |
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if (!this.pdfDocument) { |
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this._currentScale = isNaN(val) ? _ui_utils.UNKNOWN_SCALE : val; |
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this._currentScaleValue = val.toString(); |
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return; |
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} |
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this._setScale(val, false); |
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}, |
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get pagesRotation() { |
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return this._pagesRotation; |
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}, |
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set pagesRotation(rotation) { |
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if (!(typeof rotation === 'number' && rotation % 90 === 0)) { |
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throw new Error('Invalid pages rotation angle.'); |
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} |
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this._pagesRotation = rotation; |
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if (!this.pdfDocument) { |
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return; |
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} |
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for (var i = 0, l = this._pages.length; i < l; i++) { |
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var pageView = this._pages[i]; |
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pageView.update(pageView.scale, rotation); |
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} |
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this._setScale(this._currentScaleValue, true); |
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if (this.defaultRenderingQueue) { |
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this.update(); |
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} |
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}, |
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setDocument: function setDocument(pdfDocument) { |
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var _this = this; |
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|
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if (this.pdfDocument) { |
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this._cancelRendering(); |
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this._resetView(); |
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} |
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this.pdfDocument = pdfDocument; |
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if (!pdfDocument) { |
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return; |
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} |
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var pagesCount = pdfDocument.numPages; |
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var pagesCapability = (0, _pdfjs.createPromiseCapability)(); |
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this.pagesPromise = pagesCapability.promise; |
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pagesCapability.promise.then(function () { |
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_this._pageViewsReady = true; |
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_this.eventBus.dispatch('pagesloaded', { |
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source: _this, |
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pagesCount: pagesCount |
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}); |
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}); |
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var isOnePageRenderedResolved = false; |
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var onePageRenderedCapability = (0, _pdfjs.createPromiseCapability)(); |
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this.onePageRendered = onePageRenderedCapability.promise; |
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var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) { |
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pageView.onBeforeDraw = function () { |
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_this._buffer.push(pageView); |
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}; |
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pageView.onAfterDraw = function () { |
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if (!isOnePageRenderedResolved) { |
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isOnePageRenderedResolved = true; |
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onePageRenderedCapability.resolve(); |
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} |
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}; |
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}; |
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var firstPagePromise = pdfDocument.getPage(1); |
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this.firstPagePromise = firstPagePromise; |
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return firstPagePromise.then(function (pdfPage) { |
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var scale = _this.currentScale; |
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var viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS); |
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for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { |
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var textLayerFactory = null; |
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if (!_pdfjs.PDFJS.disableTextLayer) { |
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textLayerFactory = _this; |
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} |
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var pageView = new _pdf_page_view.PDFPageView({ |
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container: _this.viewer, |
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eventBus: _this.eventBus, |
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id: pageNum, |
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scale: scale, |
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defaultViewport: viewport.clone(), |
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renderingQueue: _this.renderingQueue, |
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textLayerFactory: textLayerFactory, |
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annotationLayerFactory: _this, |
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enhanceTextSelection: _this.enhanceTextSelection, |
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renderInteractiveForms: _this.renderInteractiveForms, |
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renderer: _this.renderer |
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}); |
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bindOnAfterAndBeforeDraw(pageView); |
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_this._pages.push(pageView); |
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} |
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onePageRenderedCapability.promise.then(function () { |
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if (_pdfjs.PDFJS.disableAutoFetch) { |
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pagesCapability.resolve(); |
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return; |
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} |
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var getPagesLeft = pagesCount; |
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for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { |
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pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) { |
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var pageView = this._pages[pageNum - 1]; |
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if (!pageView.pdfPage) { |
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pageView.setPdfPage(pdfPage); |
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} |
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this.linkService.cachePageRef(pageNum, pdfPage.ref); |
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if (--getPagesLeft === 0) { |
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pagesCapability.resolve(); |
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} |
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}.bind(_this, pageNum)); |
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} |
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}); |
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_this.eventBus.dispatch('pagesinit', { source: _this }); |
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if (_this.defaultRenderingQueue) { |
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_this.update(); |
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} |
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if (_this.findController) { |
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_this.findController.resolveFirstPage(); |
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} |
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}); |
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}, |
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|
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setPageLabels: function PDFViewer_setPageLabels(labels) { |
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if (!this.pdfDocument) { |
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return; |
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} |
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if (!labels) { |
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this._pageLabels = null; |
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} else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) { |
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this._pageLabels = null; |
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console.error('PDFViewer_setPageLabels: Invalid page labels.'); |
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} else { |
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this._pageLabels = labels; |
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} |
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for (var i = 0, ii = this._pages.length; i < ii; i++) { |
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var pageView = this._pages[i]; |
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var label = this._pageLabels && this._pageLabels[i]; |
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pageView.setPageLabel(label); |
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} |
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}, |
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_resetView: function _resetView() { |
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this._pages = []; |
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this._currentPageNumber = 1; |
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this._currentScale = _ui_utils.UNKNOWN_SCALE; |
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this._currentScaleValue = null; |
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this._pageLabels = null; |
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this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); |
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this._location = null; |
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this._pagesRotation = 0; |
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this._pagesRequests = []; |
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this._pageViewsReady = false; |
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this.viewer.textContent = ''; |
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}, |
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|
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_scrollUpdate: function PDFViewer_scrollUpdate() { |
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if (this.pagesCount === 0) { |
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return; |
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} |
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this.update(); |
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for (var i = 0, ii = this._pages.length; i < ii; i++) { |
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this._pages[i].updatePosition(); |
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} |
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}, |
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_setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) { |
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var arg = { |
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source: this, |
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scale: newScale, |
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presetValue: preset ? newValue : undefined |
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}; |
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this.eventBus.dispatch('scalechanging', arg); |
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this.eventBus.dispatch('scalechange', arg); |
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}, |
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_setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) { |
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this._currentScaleValue = newValue.toString(); |
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if (isSameScale(this._currentScale, newScale)) { |
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if (preset) { |
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this._setScaleDispatchEvent(newScale, newValue, true); |
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} |
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return; |
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} |
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for (var i = 0, ii = this._pages.length; i < ii; i++) { |
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this._pages[i].update(newScale); |
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} |
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this._currentScale = newScale; |
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if (!noScroll) { |
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var page = this._currentPageNumber, |
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dest; |
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if (this._location && !_pdfjs.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) { |
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page = this._location.pageNumber; |
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dest = [null, { name: 'XYZ' }, this._location.left, this._location.top, null]; |
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} |
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this.scrollPageIntoView({ |
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pageNumber: page, |
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destArray: dest, |
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allowNegativeOffset: true |
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}); |
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} |
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this._setScaleDispatchEvent(newScale, newValue, preset); |
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if (this.defaultRenderingQueue) { |
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this.update(); |
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} |
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}, |
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_setScale: function PDFViewer_setScale(value, noScroll) { |
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var scale = parseFloat(value); |
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if (scale > 0) { |
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this._setScaleUpdatePages(scale, value, noScroll, false); |
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} else { |
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var currentPage = this._pages[this._currentPageNumber - 1]; |
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if (!currentPage) { |
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return; |
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} |
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var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING; |
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var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING; |
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var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale; |
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var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale; |
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switch (value) { |
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case 'page-actual': |
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scale = 1; |
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break; |
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case 'page-width': |
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scale = pageWidthScale; |
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break; |
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case 'page-height': |
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scale = pageHeightScale; |
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break; |
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case 'page-fit': |
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scale = Math.min(pageWidthScale, pageHeightScale); |
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break; |
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case 'auto': |
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var isLandscape = currentPage.width > currentPage.height; |
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var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale; |
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scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale); |
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break; |
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default: |
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console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.'); |
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return; |
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} |
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this._setScaleUpdatePages(scale, value, noScroll, true); |
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} |
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}, |
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_resetCurrentPageView: function _resetCurrentPageView() { |
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if (this.isInPresentationMode) { |
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this._setScale(this._currentScaleValue, true); |
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} |
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var pageView = this._pages[this._currentPageNumber - 1]; |
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(0, _ui_utils.scrollIntoView)(pageView.div); |
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}, |
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|
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scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) { |
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if (!this.pdfDocument) { |
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return; |
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} |
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if (arguments.length > 1 || typeof params === 'number') { |
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console.warn('Call of scrollPageIntoView() with obsolete signature.'); |
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var paramObj = {}; |
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if (typeof params === 'number') { |
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paramObj.pageNumber = params; |
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} |
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if (arguments[1] instanceof Array) { |
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paramObj.destArray = arguments[1]; |
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} |
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params = paramObj; |
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} |
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var pageNumber = params.pageNumber || 0; |
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var dest = params.destArray || null; |
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var allowNegativeOffset = params.allowNegativeOffset || false; |
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if (this.isInPresentationMode || !dest) { |
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this._setCurrentPageNumber(pageNumber, true); |
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return; |
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} |
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var pageView = this._pages[pageNumber - 1]; |
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if (!pageView) { |
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console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.'); |
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return; |
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} |
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var x = 0, |
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y = 0; |
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var width = 0, |
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height = 0, |
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widthScale, |
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heightScale; |
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var changeOrientation = pageView.rotation % 180 === 0 ? false : true; |
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var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS; |
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var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS; |
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var scale = 0; |
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switch (dest[1].name) { |
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case 'XYZ': |
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x = dest[2]; |
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y = dest[3]; |
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scale = dest[4]; |
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x = x !== null ? x : 0; |
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y = y !== null ? y : pageHeight; |
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break; |
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case 'Fit': |
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case 'FitB': |
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scale = 'page-fit'; |
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break; |
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case 'FitH': |
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case 'FitBH': |
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y = dest[2]; |
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scale = 'page-width'; |
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if (y === null && this._location) { |
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x = this._location.left; |
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y = this._location.top; |
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} |
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break; |
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case 'FitV': |
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case 'FitBV': |
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x = dest[2]; |
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width = pageWidth; |
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height = pageHeight; |
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scale = 'page-height'; |
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break; |
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case 'FitR': |
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x = dest[2]; |
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y = dest[3]; |
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width = dest[4] - x; |
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height = dest[5] - y; |
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var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING; |
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var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING; |
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widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS; |
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heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS; |
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scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); |
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break; |
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default: |
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console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.'); |
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return; |
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} |
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if (scale && scale !== this._currentScale) { |
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this.currentScaleValue = scale; |
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} else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) { |
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this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; |
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} |
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if (scale === 'page-fit' && !dest[4]) { |
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(0, _ui_utils.scrollIntoView)(pageView.div); |
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return; |
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} |
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var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)]; |
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var left = Math.min(boundingRect[0][0], boundingRect[1][0]); |
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var top = Math.min(boundingRect[0][1], boundingRect[1][1]); |
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if (!allowNegativeOffset) { |
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left = Math.max(left, 0); |
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top = Math.max(top, 0); |
|
} |
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(0, _ui_utils.scrollIntoView)(pageView.div, { |
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left: left, |
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top: top |
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}); |
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}, |
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_updateLocation: function _updateLocation(firstPage) { |
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var currentScale = this._currentScale; |
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var currentScaleValue = this._currentScaleValue; |
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var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; |
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var pageNumber = firstPage.id; |
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var pdfOpenParams = '#page=' + pageNumber; |
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pdfOpenParams += '&zoom=' + normalizedScaleValue; |
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var currentPageView = this._pages[pageNumber - 1]; |
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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]); |
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pdfOpenParams += ',' + intLeft + ',' + intTop; |
|
this._location = { |
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pageNumber: pageNumber, |
|
scale: normalizedScaleValue, |
|
top: intTop, |
|
left: intLeft, |
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pdfOpenParams: pdfOpenParams |
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}; |
|
}, |
|
|
|
update: function PDFViewer_update() { |
|
var visible = this._getVisiblePages(); |
|
var visiblePages = visible.views; |
|
if (visiblePages.length === 0) { |
|
return; |
|
} |
|
var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1); |
|
this._buffer.resize(suggestedCacheSize); |
|
this.renderingQueue.renderHighestPriority(visible); |
|
var currentId = this._currentPageNumber; |
|
var firstPage = visible.first; |
|
for (var i = 0, ii = visiblePages.length, stillFullyVisible = false; i < ii; ++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(firstPage); |
|
this.eventBus.dispatch('updateviewarea', { |
|
source: this, |
|
location: this._location |
|
}); |
|
}, |
|
containsElement: function containsElement(element) { |
|
return this.container.contains(element); |
|
}, |
|
focus: function focus() { |
|
this.container.focus(); |
|
}, |
|
|
|
get isInPresentationMode() { |
|
return this.presentationModeState === PresentationModeState.FULLSCREEN; |
|
}, |
|
get isChangingPresentationMode() { |
|
return this.presentationModeState === PresentationModeState.CHANGING; |
|
}, |
|
get isHorizontalScrollbarEnabled() { |
|
return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth; |
|
}, |
|
_getVisiblePages: function _getVisiblePages() { |
|
if (!this.isInPresentationMode) { |
|
return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true); |
|
} |
|
var visible = []; |
|
var currentPage = this._pages[this._currentPageNumber - 1]; |
|
visible.push({ |
|
id: currentPage.id, |
|
view: currentPage |
|
}); |
|
return { |
|
first: currentPage, |
|
last: currentPage, |
|
views: visible |
|
}; |
|
}, |
|
cleanup: 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(); |
|
} |
|
} |
|
}, |
|
|
|
_cancelRendering: function PDFViewer_cancelRendering() { |
|
for (var i = 0, ii = this._pages.length; i < ii; i++) { |
|
if (this._pages[i]) { |
|
this._pages[i].cancelRendering(); |
|
} |
|
} |
|
}, |
|
_ensurePdfPageLoaded: 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; |
|
}); |
|
this._pagesRequests[pageNumber] = promise; |
|
return promise; |
|
}, |
|
forceRendering: 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; |
|
}, |
|
getPageTextContent: function getPageTextContent(pageIndex) { |
|
return this.pdfDocument.getPage(pageIndex + 1).then(function (page) { |
|
return page.getTextContent({ normalizeWhitespace: true }); |
|
}); |
|
}, |
|
createTextLayerBuilder: 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 |
|
}); |
|
}, |
|
createAnnotationLayerBuilder: function createAnnotationLayerBuilder(pageDiv, pdfPage) { |
|
var renderInteractiveForms = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; |
|
|
|
return new _annotation_layer_builder.AnnotationLayerBuilder({ |
|
pageDiv: pageDiv, |
|
pdfPage: pdfPage, |
|
renderInteractiveForms: renderInteractiveForms, |
|
linkService: this.linkService, |
|
downloadManager: this.downloadManager |
|
}); |
|
}, |
|
setFindController: function setFindController(findController) { |
|
this.findController = findController; |
|
}, |
|
getPagesOverview: 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 |
|
}; |
|
}); |
|
} |
|
}; |
|
return PDFViewer; |
|
}(); |
|
exports.PresentationModeState = PresentationModeState; |
|
exports.PDFViewer = PDFViewer; |
|
|
|
/***/ }), |
|
/* 12 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
|
|
var pdfjsLib = __w_pdfjs_require__(0); |
|
var pdfjsWebPDFViewer = __w_pdfjs_require__(11); |
|
var pdfjsWebPDFPageView = __w_pdfjs_require__(5); |
|
var pdfjsWebPDFLinkService = __w_pdfjs_require__(3); |
|
var pdfjsWebTextLayerBuilder = __w_pdfjs_require__(6); |
|
var pdfjsWebAnnotationLayerBuilder = __w_pdfjs_require__(4); |
|
var pdfjsWebPDFHistory = __w_pdfjs_require__(10); |
|
var pdfjsWebPDFFindController = __w_pdfjs_require__(9); |
|
var pdfjsWebUIUtils = __w_pdfjs_require__(1); |
|
var pdfjsWebDownloadManager = __w_pdfjs_require__(8); |
|
var PDFJS = pdfjsLib.PDFJS; |
|
PDFJS.PDFViewer = pdfjsWebPDFViewer.PDFViewer; |
|
PDFJS.PDFPageView = pdfjsWebPDFPageView.PDFPageView; |
|
PDFJS.PDFLinkService = pdfjsWebPDFLinkService.PDFLinkService; |
|
PDFJS.TextLayerBuilder = pdfjsWebTextLayerBuilder.TextLayerBuilder; |
|
PDFJS.DefaultTextLayerFactory = pdfjsWebTextLayerBuilder.DefaultTextLayerFactory; |
|
PDFJS.AnnotationLayerBuilder = pdfjsWebAnnotationLayerBuilder.AnnotationLayerBuilder; |
|
PDFJS.DefaultAnnotationLayerFactory = pdfjsWebAnnotationLayerBuilder.DefaultAnnotationLayerFactory; |
|
PDFJS.PDFHistory = pdfjsWebPDFHistory.PDFHistory; |
|
PDFJS.PDFFindController = pdfjsWebPDFFindController.PDFFindController; |
|
PDFJS.EventBus = pdfjsWebUIUtils.EventBus; |
|
PDFJS.DownloadManager = pdfjsWebDownloadManager.DownloadManager; |
|
PDFJS.ProgressBar = pdfjsWebUIUtils.ProgressBar; |
|
exports.PDFJS = PDFJS; |
|
|
|
/***/ }) |
|
/******/ ]); |
|
}); |