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3390 lines
104 KiB
3390 lines
104 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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|
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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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/******/ // 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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{ |
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module.exports = window['pdfjs-dist/build/pdf']; |
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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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|
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var pdfjsLib = __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 = document.mozL10n || document.webL10n; |
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var PDFJS = pdfjsLib.PDFJS; |
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PDFJS.disableFullscreen = PDFJS.disableFullscreen === undefined ? false : PDFJS.disableFullscreen; |
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PDFJS.useOnlyCssZoom = PDFJS.useOnlyCssZoom === undefined ? false : PDFJS.useOnlyCssZoom; |
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PDFJS.maxCanvasPixels = PDFJS.maxCanvasPixels === undefined ? 16777216 : PDFJS.maxCanvasPixels; |
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PDFJS.disableHistory = PDFJS.disableHistory === undefined ? false : PDFJS.disableHistory; |
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PDFJS.disableTextLayer = PDFJS.disableTextLayer === undefined ? false : PDFJS.disableTextLayer; |
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PDFJS.ignoreCurrentPositionOnZoom = PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : PDFJS.ignoreCurrentPositionOnZoom; |
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PDFJS.locale = PDFJS.locale === undefined ? navigator.language : PDFJS.locale; |
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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 [ |
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x, |
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1 |
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]; |
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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 [ |
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1, |
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limit |
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]; |
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} else if (Math.floor(xinv) === xinv) { |
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return [ |
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1, |
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xinv |
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]; |
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} |
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var x_ = x > 1 ? xinv : x; |
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var a = 0, b = 1, c = 1, d = 1; |
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while (true) { |
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var p = a + c, 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 ? [ |
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a, |
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b |
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] : [ |
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b, |
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a |
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]; |
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} else { |
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result = x_ === x ? [ |
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c, |
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d |
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] : [ |
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d, |
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c |
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]; |
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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, bottom = top + scrollEl.clientHeight; |
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var left = scrollEl.scrollLeft, 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 = [], view, 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 getPDFFileNameFromURL(url) { |
|
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]); |
|
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]; |
|
} catch (e) { |
|
} |
|
} |
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} |
|
return suggestedFilename || 'document.pdf'; |
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} |
|
function normalizeWheelEventDelta(evt) { |
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var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY); |
|
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; |
|
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; |
|
} |
|
var animationStarted = new Promise(function (resolve) { |
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window.requestAnimationFrame(resolve); |
|
}); |
|
var localized = new Promise(function (resolve, reject) { |
|
if (!mozL10n) { |
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resolve(); |
|
return; |
|
} |
|
if (mozL10n.getReadyState() !== 'loading') { |
|
resolve(); |
|
return; |
|
} |
|
window.addEventListener('localized', function localized(evt) { |
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resolve(); |
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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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}(); |
|
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(); |
|
}, |
|
setWidth: function ProgressBar_setWidth(viewer) { |
|
if (viewer) { |
|
var container = viewer.parentNode; |
|
var scrollbarWidth = container.offsetWidth - viewer.offsetWidth; |
|
if (scrollbarWidth > 0) { |
|
this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);'); |
|
} |
|
} |
|
}, |
|
hide: function ProgressBar_hide() { |
|
if (!this.visible) { |
|
return; |
|
} |
|
this.visible = false; |
|
this.bar.classList.add('hidden'); |
|
document.body.classList.remove('loadingInProgress'); |
|
}, |
|
show: function ProgressBar_show() { |
|
if (this.visible) { |
|
return; |
|
} |
|
this.visible = true; |
|
document.body.classList.add('loadingInProgress'); |
|
this.bar.classList.remove('hidden'); |
|
} |
|
}; |
|
return ProgressBar; |
|
}(); |
|
exports.CSS_UNITS = CSS_UNITS; |
|
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE; |
|
exports.DEFAULT_SCALE = DEFAULT_SCALE; |
|
exports.MIN_SCALE = MIN_SCALE; |
|
exports.MAX_SCALE = MAX_SCALE; |
|
exports.UNKNOWN_SCALE = UNKNOWN_SCALE; |
|
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE; |
|
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING; |
|
exports.VERTICAL_PADDING = VERTICAL_PADDING; |
|
exports.RendererType = RendererType; |
|
exports.mozL10n = mozL10n; |
|
exports.EventBus = EventBus; |
|
exports.ProgressBar = ProgressBar; |
|
exports.getPDFFileNameFromURL = getPDFFileNameFromURL; |
|
exports.noContextMenuHandler = noContextMenuHandler; |
|
exports.parseQueryString = parseQueryString; |
|
exports.getVisibleElements = getVisibleElements; |
|
exports.roundToDivide = roundToDivide; |
|
exports.approximateFraction = approximateFraction; |
|
exports.getOutputScale = getOutputScale; |
|
exports.scrollIntoView = scrollIntoView; |
|
exports.watchScroll = watchScroll; |
|
exports.binarySearchFirstItem = binarySearchFirstItem; |
|
exports.normalizeWheelEventDelta = normalizeWheelEventDelta; |
|
exports.animationStarted = animationStarted; |
|
exports.localized = localized; |
|
|
|
/***/ }), |
|
/* 2 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
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"use strict"; |
|
|
|
var uiUtils = __w_pdfjs_require__(1); |
|
var EventBus = uiUtils.EventBus; |
|
function attachDOMEventsToEventBus(eventBus) { |
|
eventBus.on('documentload', function () { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('documentload', true, true, {}); |
|
window.dispatchEvent(event); |
|
}); |
|
eventBus.on('pagerendered', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('pagerendered', true, true, { |
|
pageNumber: e.pageNumber, |
|
cssTransform: e.cssTransform |
|
}); |
|
e.source.div.dispatchEvent(event); |
|
}); |
|
eventBus.on('textlayerrendered', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber }); |
|
e.source.textLayerDiv.dispatchEvent(event); |
|
}); |
|
eventBus.on('pagechange', function (e) { |
|
var event = document.createEvent('UIEvents'); |
|
event.initUIEvent('pagechange', true, true, window, 0); |
|
event.pageNumber = e.pageNumber; |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('pagesinit', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('pagesinit', true, true, null); |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('pagesloaded', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount }); |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('scalechange', function (e) { |
|
var event = document.createEvent('UIEvents'); |
|
event.initUIEvent('scalechange', true, true, window, 0); |
|
event.scale = e.scale; |
|
event.presetValue = e.presetValue; |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('updateviewarea', function (e) { |
|
var event = document.createEvent('UIEvents'); |
|
event.initUIEvent('updateviewarea', true, true, window, 0); |
|
event.location = e.location; |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('find', function (e) { |
|
if (e.source === window) { |
|
return; |
|
} |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('find' + e.type, true, true, { |
|
query: e.query, |
|
phraseSearch: e.phraseSearch, |
|
caseSensitive: e.caseSensitive, |
|
highlightAll: e.highlightAll, |
|
findPrevious: e.findPrevious |
|
}); |
|
window.dispatchEvent(event); |
|
}); |
|
eventBus.on('attachmentsloaded', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount }); |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('sidebarviewchanged', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view }); |
|
e.source.outerContainer.dispatchEvent(event); |
|
}); |
|
eventBus.on('pagemode', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('pagemode', true, true, { mode: e.mode }); |
|
e.source.pdfViewer.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('namedaction', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('namedaction', true, true, { action: e.action }); |
|
e.source.pdfViewer.container.dispatchEvent(event); |
|
}); |
|
eventBus.on('presentationmodechanged', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('presentationmodechanged', true, true, { |
|
active: e.active, |
|
switchInProgress: e.switchInProgress |
|
}); |
|
window.dispatchEvent(event); |
|
}); |
|
eventBus.on('outlineloaded', function (e) { |
|
var event = document.createEvent('CustomEvent'); |
|
event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount }); |
|
e.source.container.dispatchEvent(event); |
|
}); |
|
} |
|
var globalEventBus = null; |
|
function getGlobalEventBus() { |
|
if (globalEventBus) { |
|
return globalEventBus; |
|
} |
|
globalEventBus = new EventBus(); |
|
attachDOMEventsToEventBus(globalEventBus); |
|
return globalEventBus; |
|
} |
|
exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus; |
|
exports.getGlobalEventBus = getGlobalEventBus; |
|
|
|
/***/ }), |
|
/* 3 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
var uiUtils = __w_pdfjs_require__(1); |
|
var domEvents = __w_pdfjs_require__(2); |
|
var parseQueryString = uiUtils.parseQueryString; |
|
var PageNumberRegExp = /^\d+$/; |
|
function isPageNumber(str) { |
|
return PageNumberRegExp.test(str); |
|
} |
|
var PDFLinkService = function PDFLinkServiceClosure() { |
|
function PDFLinkService(options) { |
|
options = options || {}; |
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); |
|
this.baseUrl = null; |
|
this.pdfDocument = null; |
|
this.pdfViewer = null; |
|
this.pdfHistory = null; |
|
this._pagesRefCache = null; |
|
} |
|
PDFLinkService.prototype = { |
|
setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) { |
|
this.baseUrl = baseUrl; |
|
this.pdfDocument = pdfDocument; |
|
this._pagesRefCache = Object.create(null); |
|
}, |
|
setViewer: function PDFLinkService_setViewer(pdfViewer) { |
|
this.pdfViewer = pdfViewer; |
|
}, |
|
setHistory: function PDFLinkService_setHistory(pdfHistory) { |
|
this.pdfHistory = pdfHistory; |
|
}, |
|
get pagesCount() { |
|
return this.pdfDocument ? this.pdfDocument.numPages : 0; |
|
}, |
|
get page() { |
|
return this.pdfViewer.currentPageNumber; |
|
}, |
|
set page(value) { |
|
this.pdfViewer.currentPageNumber = value; |
|
}, |
|
navigateTo: function PDFLinkService_navigateTo(dest) { |
|
var destString = ''; |
|
var self = this; |
|
var goToDestination = function (destRef) { |
|
var pageNumber; |
|
if (destRef instanceof Object) { |
|
pageNumber = self._cachedPageNumber(destRef); |
|
} else if ((destRef | 0) === destRef) { |
|
pageNumber = destRef + 1; |
|
} else { |
|
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.'); |
|
return; |
|
} |
|
if (pageNumber) { |
|
if (pageNumber < 1 || pageNumber > self.pagesCount) { |
|
console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.'); |
|
return; |
|
} |
|
self.pdfViewer.scrollPageIntoView({ |
|
pageNumber: pageNumber, |
|
destArray: dest |
|
}); |
|
if (self.pdfHistory) { |
|
self.pdfHistory.push({ |
|
dest: dest, |
|
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.'); |
|
}); |
|
} |
|
}; |
|
var destinationPromise; |
|
if (typeof dest === 'string') { |
|
destString = dest; |
|
destinationPromise = this.pdfDocument.getDestination(dest); |
|
} else { |
|
destinationPromise = Promise.resolve(dest); |
|
} |
|
destinationPromise.then(function (destination) { |
|
dest = destination; |
|
if (!(destination instanceof Array)) { |
|
console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.'); |
|
return; |
|
} |
|
goToDestination(destination[0]); |
|
}); |
|
}, |
|
getDestinationHash: function PDFLinkService_getDestinationHash(dest) { |
|
if (typeof dest === 'string') { |
|
return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest)); |
|
} |
|
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; |
|
}, |
|
setHash: function PDFLinkService_setHash(hash) { |
|
var pageNumber, dest; |
|
if (hash.indexOf('=') >= 0) { |
|
var params = 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 (params) { |
|
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 === '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 === '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 (dest) { |
|
}, |
|
getDestinationHash: function (dest) { |
|
return '#'; |
|
}, |
|
getAnchorUrl: function (hash) { |
|
return '#'; |
|
}, |
|
setHash: function (hash) { |
|
}, |
|
executeNamedAction: function (action) { |
|
}, |
|
onFileAttachmentAnnotation: function (params) { |
|
}, |
|
cachePageRef: function (pageNum, pageRef) { |
|
} |
|
}; |
|
return SimpleLinkService; |
|
}(); |
|
exports.PDFLinkService = PDFLinkService; |
|
exports.SimpleLinkService = SimpleLinkService; |
|
|
|
/***/ }), |
|
/* 4 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
var uiUtils = __w_pdfjs_require__(1); |
|
var pdfLinkService = __w_pdfjs_require__(3); |
|
var pdfjsLib = __w_pdfjs_require__(0); |
|
var mozL10n = uiUtils.mozL10n; |
|
var SimpleLinkService = pdfLinkService.SimpleLinkService; |
|
var AnnotationLayerBuilder = function AnnotationLayerBuilderClosure() { |
|
function AnnotationLayerBuilder(options) { |
|
this.pageDiv = options.pageDiv; |
|
this.pdfPage = options.pdfPage; |
|
this.renderInteractiveForms = options.renderInteractiveForms; |
|
this.linkService = options.linkService; |
|
this.downloadManager = options.downloadManager; |
|
this.div = null; |
|
} |
|
AnnotationLayerBuilder.prototype = { |
|
render: function AnnotationLayerBuilder_render(viewport, intent) { |
|
var self = this; |
|
var parameters = { intent: intent === undefined ? 'display' : intent }; |
|
this.pdfPage.getAnnotations(parameters).then(function (annotations) { |
|
viewport = viewport.clone({ dontFlip: true }); |
|
parameters = { |
|
viewport: viewport, |
|
div: self.div, |
|
annotations: annotations, |
|
page: self.pdfPage, |
|
renderInteractiveForms: self.renderInteractiveForms, |
|
linkService: self.linkService, |
|
downloadManager: self.downloadManager |
|
}; |
|
if (self.div) { |
|
pdfjsLib.AnnotationLayer.update(parameters); |
|
} else { |
|
if (annotations.length === 0) { |
|
return; |
|
} |
|
self.div = document.createElement('div'); |
|
self.div.className = 'annotationLayer'; |
|
self.pageDiv.appendChild(self.div); |
|
parameters.div = self.div; |
|
pdfjsLib.AnnotationLayer.render(parameters); |
|
if (typeof mozL10n !== 'undefined') { |
|
mozL10n.translate(self.div); |
|
} |
|
} |
|
}); |
|
}, |
|
hide: function AnnotationLayerBuilder_hide() { |
|
if (!this.div) { |
|
return; |
|
} |
|
this.div.setAttribute('hidden', 'true'); |
|
} |
|
}; |
|
return AnnotationLayerBuilder; |
|
}(); |
|
function DefaultAnnotationLayerFactory() { |
|
} |
|
DefaultAnnotationLayerFactory.prototype = { |
|
createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) { |
|
return new AnnotationLayerBuilder({ |
|
pageDiv: pageDiv, |
|
pdfPage: pdfPage, |
|
renderInteractiveForms: renderInteractiveForms, |
|
linkService: new SimpleLinkService() |
|
}); |
|
} |
|
}; |
|
exports.AnnotationLayerBuilder = AnnotationLayerBuilder; |
|
exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory; |
|
|
|
/***/ }), |
|
/* 5 */ |
|
/***/ (function(module, exports, __w_pdfjs_require__) { |
|
|
|
"use strict"; |
|
|
|
var uiUtils = __w_pdfjs_require__(1); |
|
var pdfRenderingQueue = __w_pdfjs_require__(7); |
|
var domEvents = __w_pdfjs_require__(2); |
|
var pdfjsLib = __w_pdfjs_require__(0); |
|
var CSS_UNITS = uiUtils.CSS_UNITS; |
|
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE; |
|
var getOutputScale = uiUtils.getOutputScale; |
|
var approximateFraction = uiUtils.approximateFraction; |
|
var roundToDivide = uiUtils.roundToDivide; |
|
var RendererType = uiUtils.RendererType; |
|
var RenderingStates = pdfRenderingQueue.RenderingStates; |
|
var TEXT_LAYER_RENDER_DELAY = 200; |
|
var PDFPageView = function PDFPageViewClosure() { |
|
function PDFPageView(options) { |
|
var container = options.container; |
|
var id = options.id; |
|
var scale = options.scale; |
|
var defaultViewport = options.defaultViewport; |
|
var renderingQueue = options.renderingQueue; |
|
var textLayerFactory = options.textLayerFactory; |
|
var annotationLayerFactory = options.annotationLayerFactory; |
|
var enhanceTextSelection = options.enhanceTextSelection || false; |
|
var renderInteractiveForms = options.renderInteractiveForms || false; |
|
this.id = id; |
|
this.renderingId = 'page' + id; |
|
this.pageLabel = null; |
|
this.rotation = 0; |
|
this.scale = scale || DEFAULT_SCALE; |
|
this.viewport = defaultViewport; |
|
this.pdfPageRotate = defaultViewport.rotation; |
|
this.hasRestrictedScaling = false; |
|
this.enhanceTextSelection = enhanceTextSelection; |
|
this.renderInteractiveForms = renderInteractiveForms; |
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); |
|
this.renderingQueue = renderingQueue; |
|
this.textLayerFactory = textLayerFactory; |
|
this.annotationLayerFactory = annotationLayerFactory; |
|
this.renderer = options.renderer || RendererType.CANVAS; |
|
this.paintTask = null; |
|
this.paintedViewportMap = new WeakMap(); |
|
this.renderingState = RenderingStates.INITIAL; |
|
this.resume = null; |
|
this.error = null; |
|
this.onBeforeDraw = null; |
|
this.onAfterDraw = null; |
|
this.textLayer = null; |
|
this.zoomLayer = null; |
|
this.annotationLayer = null; |
|
var div = document.createElement('div'); |
|
div.className = 'page'; |
|
div.style.width = Math.floor(this.viewport.width) + 'px'; |
|
div.style.height = Math.floor(this.viewport.height) + 'px'; |
|
div.setAttribute('data-page-number', this.id); |
|
this.div = div; |
|
container.appendChild(div); |
|
} |
|
PDFPageView.prototype = { |
|
setPdfPage: function PDFPageView_setPdfPage(pdfPage) { |
|
this.pdfPage = pdfPage; |
|
this.pdfPageRotate = pdfPage.rotate; |
|
var totalRotation = (this.rotation + this.pdfPageRotate) % 360; |
|
this.viewport = pdfPage.getViewport(this.scale * CSS_UNITS, totalRotation); |
|
this.stats = pdfPage.stats; |
|
this.reset(); |
|
}, |
|
destroy: function PDFPageView_destroy() { |
|
this.zoomLayer = null; |
|
this.reset(); |
|
if (this.pdfPage) { |
|
this.pdfPage.cleanup(); |
|
} |
|
}, |
|
reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) { |
|
this.cancelRendering(); |
|
var div = this.div; |
|
div.style.width = Math.floor(this.viewport.width) + 'px'; |
|
div.style.height = Math.floor(this.viewport.height) + 'px'; |
|
var childNodes = div.childNodes; |
|
var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null; |
|
var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null; |
|
for (var i = childNodes.length - 1; i >= 0; i--) { |
|
var node = childNodes[i]; |
|
if (currentZoomLayerNode === node || currentAnnotationNode === node) { |
|
continue; |
|
} |
|
div.removeChild(node); |
|
} |
|
div.removeAttribute('data-loaded'); |
|
if (currentAnnotationNode) { |
|
this.annotationLayer.hide(); |
|
} else { |
|
this.annotationLayer = null; |
|
} |
|
if (this.canvas && !currentZoomLayerNode) { |
|
this.paintedViewportMap.delete(this.canvas); |
|
this.canvas.width = 0; |
|
this.canvas.height = 0; |
|
delete this.canvas; |
|
} |
|
if (this.svg) { |
|
this.paintedViewportMap.delete(this.svg); |
|
delete this.svg; |
|
} |
|
this.loadingIconDiv = document.createElement('div'); |
|
this.loadingIconDiv.className = 'loadingIcon'; |
|
div.appendChild(this.loadingIconDiv); |
|
}, |
|
update: function PDFPageView_update(scale, rotation) { |
|
this.scale = scale || this.scale; |
|
if (typeof rotation !== 'undefined') { |
|
this.rotation = rotation; |
|
} |
|
var totalRotation = (this.rotation + this.pdfPageRotate) % 360; |
|
this.viewport = this.viewport.clone({ |
|
scale: this.scale * CSS_UNITS, |
|
rotation: totalRotation |
|
}); |
|
if (this.svg) { |
|
this.cssTransform(this.svg, true); |
|
this.eventBus.dispatch('pagerendered', { |
|
source: this, |
|
pageNumber: this.id, |
|
cssTransform: true |
|
}); |
|
return; |
|
} |
|
var isScalingRestricted = false; |
|
if (this.canvas && pdfjsLib.PDFJS.maxCanvasPixels > 0) { |
|
var outputScale = this.outputScale; |
|
if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > pdfjsLib.PDFJS.maxCanvasPixels) { |
|
isScalingRestricted = true; |
|
} |
|
} |
|
if (this.canvas) { |
|
if (pdfjsLib.PDFJS.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) { |
|
this.cssTransform(this.canvas, true); |
|
this.eventBus.dispatch('pagerendered', { |
|
source: this, |
|
pageNumber: this.id, |
|
cssTransform: true |
|
}); |
|
return; |
|
} |
|
if (!this.zoomLayer) { |
|
this.zoomLayer = this.canvas.parentNode; |
|
this.zoomLayer.style.position = 'absolute'; |
|
} |
|
} |
|
if (this.zoomLayer) { |
|
this.cssTransform(this.zoomLayer.firstChild); |
|
} |
|
this.reset(true, true); |
|
}, |
|
cancelRendering: function PDFPageView_cancelRendering() { |
|
if (this.paintTask) { |
|
this.paintTask.cancel(); |
|
this.paintTask = null; |
|
} |
|
this.renderingState = RenderingStates.INITIAL; |
|
this.resume = null; |
|
if (this.textLayer) { |
|
this.textLayer.cancel(); |
|
this.textLayer = null; |
|
} |
|
}, |
|
updatePosition: function PDFPageView_updatePosition() { |
|
if (this.textLayer) { |
|
this.textLayer.render(TEXT_LAYER_RENDER_DELAY); |
|
} |
|
}, |
|
cssTransform: function PDFPageView_transform(target, redrawAnnotations) { |
|
var CustomStyle = pdfjsLib.CustomStyle; |
|
var width = this.viewport.width; |
|
var height = this.viewport.height; |
|
var div = this.div; |
|
target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px'; |
|
target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px'; |
|
var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation; |
|
var absRotation = Math.abs(relativeRotation); |
|
var scaleX = 1, scaleY = 1; |
|
if (absRotation === 90 || absRotation === 270) { |
|
scaleX = height / width; |
|
scaleY = width / height; |
|
} |
|
var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')'; |
|
CustomStyle.setProp('transform', target, cssTransform); |
|
if (this.textLayer) { |
|
var textLayerViewport = this.textLayer.viewport; |
|
var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation; |
|
var textAbsRotation = Math.abs(textRelativeRotation); |
|
var scale = width / textLayerViewport.width; |
|
if (textAbsRotation === 90 || textAbsRotation === 270) { |
|
scale = width / textLayerViewport.height; |
|
} |
|
var textLayerDiv = this.textLayer.textLayerDiv; |
|
var transX, 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; |
|
} |
|
CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')'); |
|
CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%'); |
|
} |
|
if (redrawAnnotations && this.annotationLayer) { |
|
this.annotationLayer.render(this.viewport, 'display'); |
|
} |
|
}, |
|
get width() { |
|
return this.viewport.width; |
|
}, |
|
get height() { |
|
return this.viewport.height; |
|
}, |
|
getPagePoint: function PDFPageView_getPagePoint(x, y) { |
|
return this.viewport.convertToPdfPoint(x, y); |
|
}, |
|
draw: function PDFPageView_draw() { |
|
if (this.renderingState !== RenderingStates.INITIAL) { |
|
console.error('Must be in new state before drawing'); |
|
this.reset(); |
|
} |
|
this.renderingState = RenderingStates.RUNNING; |
|
var self = this; |
|
var pdfPage = this.pdfPage; |
|
var div = this.div; |
|
var canvasWrapper = document.createElement('div'); |
|
canvasWrapper.style.width = div.style.width; |
|
canvasWrapper.style.height = div.style.height; |
|
canvasWrapper.classList.add('canvasWrapper'); |
|
if (this.annotationLayer && this.annotationLayer.div) { |
|
div.insertBefore(canvasWrapper, this.annotationLayer.div); |
|
} else { |
|
div.appendChild(canvasWrapper); |
|
} |
|
var 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 = RenderingStates.PAUSED; |
|
self.resume = function resumeCallback() { |
|
self.renderingState = RenderingStates.RUNNING; |
|
cont(); |
|
}; |
|
return; |
|
} |
|
cont(); |
|
}; |
|
} |
|
var finishPaintTask = function finishPaintTask(error) { |
|
if (paintTask === self.paintTask) { |
|
self.paintTask = null; |
|
} |
|
if (error === 'cancelled') { |
|
self.error = null; |
|
return Promise.resolve(undefined); |
|
} |
|
self.renderingState = RenderingStates.FINISHED; |
|
if (self.loadingIconDiv) { |
|
div.removeChild(self.loadingIconDiv); |
|
delete self.loadingIconDiv; |
|
} |
|
if (self.zoomLayer) { |
|
var zoomLayerCanvas = self.zoomLayer.firstChild; |
|
self.paintedViewportMap.delete(zoomLayerCanvas); |
|
zoomLayerCanvas.width = 0; |
|
zoomLayerCanvas.height = 0; |
|
if (div.contains(self.zoomLayer)) { |
|
div.removeChild(self.zoomLayer); |
|
} |
|
self.zoomLayer = null; |
|
} |
|
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 === 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 (canvasWrapper) { |
|
var resolveRenderPromise, rejectRenderPromise; |
|
var promise = new Promise(function (resolve, reject) { |
|
resolveRenderPromise = resolve; |
|
rejectRenderPromise = reject; |
|
}); |
|
var result = { |
|
promise: promise, |
|
onRenderContinue: function (cont) { |
|
cont(); |
|
}, |
|
cancel: function () { |
|
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 () { |
|
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 = getOutputScale(ctx); |
|
this.outputScale = outputScale; |
|
if (pdfjsLib.PDFJS.useOnlyCssZoom) { |
|
var actualSizeViewport = viewport.clone({ scale: CSS_UNITS }); |
|
outputScale.sx *= actualSizeViewport.width / viewport.width; |
|
outputScale.sy *= actualSizeViewport.height / viewport.height; |
|
outputScale.scaled = true; |
|
} |
|
if (pdfjsLib.PDFJS.maxCanvasPixels > 0) { |
|
var pixelsInViewport = viewport.width * viewport.height; |
|
var maxScale = Math.sqrt(pdfjsLib.PDFJS.maxCanvasPixels / pixelsInViewport); |
|
if (outputScale.sx > maxScale || outputScale.sy > maxScale) { |
|
outputScale.sx = maxScale; |
|
outputScale.sy = maxScale; |
|
outputScale.scaled = true; |
|
this.hasRestrictedScaling = true; |
|
} else { |
|
this.hasRestrictedScaling = false; |
|
} |
|
} |
|
var sfx = approximateFraction(outputScale.sx); |
|
var sfy = approximateFraction(outputScale.sy); |
|
canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]); |
|
canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]); |
|
canvas.style.width = roundToDivide(viewport.width, sfx[1]) + 'px'; |
|
canvas.style.height = 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(); |
|
resolveRenderPromise(undefined); |
|
}, function pdfPageRenderError(error) { |
|
showCanvas(); |
|
rejectRenderPromise(error); |
|
}); |
|
return result; |
|
}, |
|
paintOnSvg: function PDFPageView_paintOnSvg(wrapper) { |
|
var cancelled = false; |
|
var ensureNotCancelled = function () { |
|
if (cancelled) { |
|
throw 'cancelled'; |
|
} |
|
}; |
|
var self = this; |
|
var pdfPage = this.pdfPage; |
|
var SVGGraphics = pdfjsLib.SVGGraphics; |
|
var actualSizeViewport = this.viewport.clone({ scale: CSS_UNITS }); |
|
var promise = pdfPage.getOperatorList().then(function (opList) { |
|
ensureNotCancelled(); |
|
var svgGfx = new 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 = RenderingStates.FINISHED; |
|
wrapper.appendChild(svg); |
|
}); |
|
}); |
|
return { |
|
promise: promise, |
|
onRenderContinue: function (cont) { |
|
cont(); |
|
}, |
|
cancel: function () { |
|
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"; |
|
|
|
var domEvents = __w_pdfjs_require__(2); |
|
var pdfjsLib = __w_pdfjs_require__(0); |
|
var EXPAND_DIVS_TIMEOUT = 300; |
|
var TextLayerBuilder = function TextLayerBuilderClosure() { |
|
function TextLayerBuilder(options) { |
|
this.textLayerDiv = options.textLayerDiv; |
|
this.eventBus = options.eventBus || domEvents.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 = pdfjsLib.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 (textLayerDiv, pageIndex, viewport, enhanceTextSelection) { |
|
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"; |
|
|
|
var CLEANUP_TIMEOUT = 30000; |
|
var RenderingStates = { |
|
INITIAL: 0, |
|
RUNNING: 1, |
|
PAUSED: 2, |
|
FINISHED: 3 |
|
}; |
|
var PDFRenderingQueue = function PDFRenderingQueueClosure() { |
|
function PDFRenderingQueue() { |
|
this.pdfViewer = null; |
|
this.pdfThumbnailViewer = null; |
|
this.onIdle = null; |
|
this.highestPriorityPage = null; |
|
this.idleTimeout = null; |
|
this.printing = false; |
|
this.isThumbnailViewEnabled = false; |
|
} |
|
PDFRenderingQueue.prototype = { |
|
setViewer: function PDFRenderingQueue_setViewer(pdfViewer) { |
|
this.pdfViewer = pdfViewer; |
|
}, |
|
setThumbnailViewer: function PDFRenderingQueue_setThumbnailViewer(pdfThumbnailViewer) { |
|
this.pdfThumbnailViewer = pdfThumbnailViewer; |
|
}, |
|
isHighestPriority: function PDFRenderingQueue_isHighestPriority(view) { |
|
return this.highestPriorityPage === view.renderingId; |
|
}, |
|
renderHighestPriority: function PDFRenderingQueue_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); |
|
} |
|
}, |
|
getHighestPriority: function PDFRenderingQueue_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; |
|
}, |
|
isViewFinished: function PDFRenderingQueue_isViewFinished(view) { |
|
return view.renderingState === RenderingStates.FINISHED; |
|
}, |
|
renderView: function PDFRenderingQueue_renderView(view) { |
|
var state = view.renderingState; |
|
switch (state) { |
|
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 () { |
|
this.renderHighestPriority(); |
|
}.bind(this); |
|
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"; |
|
|
|
var pdfjsLib = __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 (!pdfjsLib.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 = pdfjsLib.createObjectURL(data, contentType, pdfjsLib.PDFJS.disableCreateObjectURL); |
|
download(blobUrl, filename); |
|
}, |
|
download: function DownloadManager_download(blob, url, filename) { |
|
if (!URL) { |
|
this.downloadUrl(url, filename); |
|
return; |
|
} |
|
if (navigator.msSaveBlob) { |
|
if (!navigator.msSaveBlob(blob, filename)) { |
|
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"; |
|
|
|
var uiUtils = __w_pdfjs_require__(1); |
|
var scrollIntoView = uiUtils.scrollIntoView; |
|
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': '"', |
|
'\u00BC': '1/4', |
|
'\u00BD': '1/2', |
|
'\u00BE': '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() { |
|
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; |
|
}.bind(this)); |
|
}, |
|
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 |
|
}; |
|
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"; |
|
|
|
var domEvents = __w_pdfjs_require__(2); |
|
function PDFHistory(options) { |
|
this.linkService = options.linkService; |
|
this.eventBus = options.eventBus || domEvents.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"; |
|
|
|
var uiUtils = __w_pdfjs_require__(1); |
|
var pdfPageView = __w_pdfjs_require__(5); |
|
var pdfRenderingQueue = __w_pdfjs_require__(7); |
|
var textLayerBuilder = __w_pdfjs_require__(6); |
|
var annotationLayerBuilder = __w_pdfjs_require__(4); |
|
var pdfLinkService = __w_pdfjs_require__(3); |
|
var domEvents = __w_pdfjs_require__(2); |
|
var pdfjsLib = __w_pdfjs_require__(0); |
|
var UNKNOWN_SCALE = uiUtils.UNKNOWN_SCALE; |
|
var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING; |
|
var VERTICAL_PADDING = uiUtils.VERTICAL_PADDING; |
|
var MAX_AUTO_SCALE = uiUtils.MAX_AUTO_SCALE; |
|
var CSS_UNITS = uiUtils.CSS_UNITS; |
|
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE; |
|
var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE; |
|
var RendererType = uiUtils.RendererType; |
|
var scrollIntoView = uiUtils.scrollIntoView; |
|
var watchScroll = uiUtils.watchScroll; |
|
var getVisibleElements = uiUtils.getVisibleElements; |
|
var PDFPageView = pdfPageView.PDFPageView; |
|
var RenderingStates = pdfRenderingQueue.RenderingStates; |
|
var PDFRenderingQueue = pdfRenderingQueue.PDFRenderingQueue; |
|
var TextLayerBuilder = textLayerBuilder.TextLayerBuilder; |
|
var AnnotationLayerBuilder = annotationLayerBuilder.AnnotationLayerBuilder; |
|
var SimpleLinkService = pdfLinkService.SimpleLinkService; |
|
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; |
|
this.viewer = options.viewer || options.container.firstElementChild; |
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); |
|
this.linkService = options.linkService || new SimpleLinkService(); |
|
this.downloadManager = options.downloadManager || null; |
|
this.removePageBorders = options.removePageBorders || false; |
|
this.enhanceTextSelection = options.enhanceTextSelection || false; |
|
this.renderInteractiveForms = options.renderInteractiveForms || false; |
|
this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; |
|
this.renderer = options.renderer || RendererType.CANVAS; |
|
this.defaultRenderingQueue = !options.renderingQueue; |
|
if (this.defaultRenderingQueue) { |
|
this.renderingQueue = new PDFRenderingQueue(); |
|
this.renderingQueue.setViewer(this); |
|
} else { |
|
this.renderingQueue = options.renderingQueue; |
|
} |
|
this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this)); |
|
this.presentationModeState = PresentationModeState.UNKNOWN; |
|
this._resetView(); |
|
if (this.removePageBorders) { |
|
this.viewer.classList.add('removePageBorders'); |
|
} |
|
} |
|
PDFViewer.prototype = { |
|
get pagesCount() { |
|
return this._pages.length; |
|
}, |
|
getPageView: function (index) { |
|
return this._pages[index]; |
|
}, |
|
get pageViewsReady() { |
|
return this._pageViewsReady; |
|
}, |
|
get currentPageNumber() { |
|
return this._currentPageNumber; |
|
}, |
|
set currentPageNumber(val) { |
|
if ((val | 0) !== val) { |
|
throw new Error('Invalid page number.'); |
|
} |
|
if (!this.pdfDocument) { |
|
this._currentPageNumber = val; |
|
return; |
|
} |
|
this._setCurrentPageNumber(val, true); |
|
}, |
|
_setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) { |
|
if (this._currentPageNumber === val) { |
|
if (resetCurrentPageView) { |
|
this._resetCurrentPageView(); |
|
} |
|
return; |
|
} |
|
if (!(0 < val && val <= this.pagesCount)) { |
|
console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.'); |
|
return; |
|
} |
|
var arg = { |
|
source: this, |
|
pageNumber: val, |
|
pageLabel: this._pageLabels && this._pageLabels[val - 1] |
|
}; |
|
this._currentPageNumber = val; |
|
this.eventBus.dispatch('pagechanging', arg); |
|
this.eventBus.dispatch('pagechange', arg); |
|
if (resetCurrentPageView) { |
|
this._resetCurrentPageView(); |
|
} |
|
}, |
|
get currentPageLabel() { |
|
return this._pageLabels && this._pageLabels[this._currentPageNumber - 1]; |
|
}, |
|
set currentPageLabel(val) { |
|
var pageNumber = val | 0; |
|
if (this._pageLabels) { |
|
var i = this._pageLabels.indexOf(val); |
|
if (i >= 0) { |
|
pageNumber = i + 1; |
|
} |
|
} |
|
this.currentPageNumber = pageNumber; |
|
}, |
|
get currentScale() { |
|
return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE; |
|
}, |
|
set currentScale(val) { |
|
if (isNaN(val)) { |
|
throw new Error('Invalid numeric scale'); |
|
} |
|
if (!this.pdfDocument) { |
|
this._currentScale = val; |
|
this._currentScaleValue = val !== UNKNOWN_SCALE ? val.toString() : null; |
|
return; |
|
} |
|
this._setScale(val, false); |
|
}, |
|
get currentScaleValue() { |
|
return this._currentScaleValue; |
|
}, |
|
set currentScaleValue(val) { |
|
if (!this.pdfDocument) { |
|
this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val; |
|
this._currentScaleValue = val.toString(); |
|
return; |
|
} |
|
this._setScale(val, false); |
|
}, |
|
get pagesRotation() { |
|
return this._pagesRotation; |
|
}, |
|
set pagesRotation(rotation) { |
|
if (!(typeof rotation === 'number' && rotation % 90 === 0)) { |
|
throw new Error('Invalid pages rotation angle.'); |
|
} |
|
this._pagesRotation = rotation; |
|
if (!this.pdfDocument) { |
|
return; |
|
} |
|
for (var i = 0, l = this._pages.length; i < l; i++) { |
|
var pageView = this._pages[i]; |
|
pageView.update(pageView.scale, rotation); |
|
} |
|
this._setScale(this._currentScaleValue, true); |
|
if (this.defaultRenderingQueue) { |
|
this.update(); |
|
} |
|
}, |
|
setDocument: function (pdfDocument) { |
|
if (this.pdfDocument) { |
|
this._cancelRendering(); |
|
this._resetView(); |
|
} |
|
this.pdfDocument = pdfDocument; |
|
if (!pdfDocument) { |
|
return; |
|
} |
|
var pagesCount = pdfDocument.numPages; |
|
var self = this; |
|
var resolvePagesPromise; |
|
var pagesPromise = new Promise(function (resolve) { |
|
resolvePagesPromise = resolve; |
|
}); |
|
this.pagesPromise = pagesPromise; |
|
pagesPromise.then(function () { |
|
self._pageViewsReady = true; |
|
self.eventBus.dispatch('pagesloaded', { |
|
source: self, |
|
pagesCount: pagesCount |
|
}); |
|
}); |
|
var isOnePageRenderedResolved = false; |
|
var resolveOnePageRendered = null; |
|
var onePageRendered = new Promise(function (resolve) { |
|
resolveOnePageRendered = resolve; |
|
}); |
|
this.onePageRendered = onePageRendered; |
|
var bindOnAfterAndBeforeDraw = function (pageView) { |
|
pageView.onBeforeDraw = function pdfViewLoadOnBeforeDraw() { |
|
self._buffer.push(this); |
|
}; |
|
pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() { |
|
if (!isOnePageRenderedResolved) { |
|
isOnePageRenderedResolved = true; |
|
resolveOnePageRendered(); |
|
} |
|
}; |
|
}; |
|
var firstPagePromise = pdfDocument.getPage(1); |
|
this.firstPagePromise = firstPagePromise; |
|
return firstPagePromise.then(function (pdfPage) { |
|
var scale = this.currentScale; |
|
var viewport = pdfPage.getViewport(scale * CSS_UNITS); |
|
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { |
|
var textLayerFactory = null; |
|
if (!pdfjsLib.PDFJS.disableTextLayer) { |
|
textLayerFactory = this; |
|
} |
|
var pageView = new PDFPageView({ |
|
container: this.viewer, |
|
eventBus: this.eventBus, |
|
id: pageNum, |
|
scale: scale, |
|
defaultViewport: viewport.clone(), |
|
renderingQueue: this.renderingQueue, |
|
textLayerFactory: textLayerFactory, |
|
annotationLayerFactory: this, |
|
enhanceTextSelection: this.enhanceTextSelection, |
|
renderInteractiveForms: this.renderInteractiveForms, |
|
renderer: this.renderer |
|
}); |
|
bindOnAfterAndBeforeDraw(pageView); |
|
this._pages.push(pageView); |
|
} |
|
var linkService = this.linkService; |
|
onePageRendered.then(function () { |
|
if (!pdfjsLib.PDFJS.disableAutoFetch) { |
|
var getPagesLeft = pagesCount; |
|
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { |
|
pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) { |
|
var pageView = self._pages[pageNum - 1]; |
|
if (!pageView.pdfPage) { |
|
pageView.setPdfPage(pdfPage); |
|
} |
|
linkService.cachePageRef(pageNum, pdfPage.ref); |
|
getPagesLeft--; |
|
if (!getPagesLeft) { |
|
resolvePagesPromise(); |
|
} |
|
}.bind(null, pageNum)); |
|
} |
|
} else { |
|
resolvePagesPromise(); |
|
} |
|
}); |
|
self.eventBus.dispatch('pagesinit', { source: self }); |
|
if (this.defaultRenderingQueue) { |
|
this.update(); |
|
} |
|
if (this.findController) { |
|
this.findController.resolveFirstPage(); |
|
} |
|
}.bind(this)); |
|
}, |
|
setPageLabels: function PDFViewer_setPageLabels(labels) { |
|
if (!this.pdfDocument) { |
|
return; |
|
} |
|
if (!labels) { |
|
this._pageLabels = null; |
|
} else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) { |
|
this._pageLabels = null; |
|
console.error('PDFViewer_setPageLabels: Invalid page labels.'); |
|
} else { |
|
this._pageLabels = labels; |
|
} |
|
for (var i = 0, ii = this._pages.length; i < ii; i++) { |
|
var pageView = this._pages[i]; |
|
var label = this._pageLabels && this._pageLabels[i]; |
|
pageView.setPageLabel(label); |
|
} |
|
}, |
|
_resetView: function () { |
|
this._pages = []; |
|
this._currentPageNumber = 1; |
|
this._currentScale = UNKNOWN_SCALE; |
|
this._currentScaleValue = null; |
|
this._pageLabels = null; |
|
this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); |
|
this._location = null; |
|
this._pagesRotation = 0; |
|
this._pagesRequests = []; |
|
this._pageViewsReady = false; |
|
this.viewer.textContent = ''; |
|
}, |
|
_scrollUpdate: function PDFViewer_scrollUpdate() { |
|
if (this.pagesCount === 0) { |
|
return; |
|
} |
|
this.update(); |
|
for (var i = 0, ii = this._pages.length; i < ii; i++) { |
|
this._pages[i].updatePosition(); |
|
} |
|
}, |
|
_setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) { |
|
var arg = { |
|
source: this, |
|
scale: newScale, |
|
presetValue: preset ? newValue : undefined |
|
}; |
|
this.eventBus.dispatch('scalechanging', arg); |
|
this.eventBus.dispatch('scalechange', arg); |
|
}, |
|
_setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) { |
|
this._currentScaleValue = newValue.toString(); |
|
if (isSameScale(this._currentScale, newScale)) { |
|
if (preset) { |
|
this._setScaleDispatchEvent(newScale, newValue, true); |
|
} |
|
return; |
|
} |
|
for (var i = 0, ii = this._pages.length; i < ii; i++) { |
|
this._pages[i].update(newScale); |
|
} |
|
this._currentScale = newScale; |
|
if (!noScroll) { |
|
var page = this._currentPageNumber, dest; |
|
if (this._location && !pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) { |
|
page = this._location.pageNumber; |
|
dest = [ |
|
null, |
|
{ name: 'XYZ' }, |
|
this._location.left, |
|
this._location.top, |
|
null |
|
]; |
|
} |
|
this.scrollPageIntoView({ |
|
pageNumber: page, |
|
destArray: dest, |
|
allowNegativeOffset: true |
|
}); |
|
} |
|
this._setScaleDispatchEvent(newScale, newValue, preset); |
|
if (this.defaultRenderingQueue) { |
|
this.update(); |
|
} |
|
}, |
|
_setScale: function PDFViewer_setScale(value, noScroll) { |
|
var scale = parseFloat(value); |
|
if (scale > 0) { |
|
this._setScaleUpdatePages(scale, value, noScroll, false); |
|
} else { |
|
var currentPage = this._pages[this._currentPageNumber - 1]; |
|
if (!currentPage) { |
|
return; |
|
} |
|
var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : SCROLLBAR_PADDING; |
|
var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : VERTICAL_PADDING; |
|
var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale; |
|
var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale; |
|
switch (value) { |
|
case 'page-actual': |
|
scale = 1; |
|
break; |
|
case 'page-width': |
|
scale = pageWidthScale; |
|
break; |
|
case 'page-height': |
|
scale = pageHeightScale; |
|
break; |
|
case 'page-fit': |
|
scale = Math.min(pageWidthScale, pageHeightScale); |
|
break; |
|
case 'auto': |
|
var isLandscape = currentPage.width > currentPage.height; |
|
var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale; |
|
scale = Math.min(MAX_AUTO_SCALE, horizontalScale); |
|
break; |
|
default: |
|
console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.'); |
|
return; |
|
} |
|
this._setScaleUpdatePages(scale, value, noScroll, true); |
|
} |
|
}, |
|
_resetCurrentPageView: function () { |
|
if (this.isInPresentationMode) { |
|
this._setScale(this._currentScaleValue, true); |
|
} |
|
var pageView = this._pages[this._currentPageNumber - 1]; |
|
scrollIntoView(pageView.div); |
|
}, |
|
scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) { |
|
if (!this.pdfDocument) { |
|
return; |
|
} |
|
if (arguments.length > 1 || typeof params === 'number') { |
|
console.warn('Call of scrollPageIntoView() with obsolete signature.'); |
|
var paramObj = {}; |
|
if (typeof params === 'number') { |
|
paramObj.pageNumber = params; |
|
} |
|
if (arguments[1] instanceof Array) { |
|
paramObj.destArray = arguments[1]; |
|
} |
|
params = paramObj; |
|
} |
|
var pageNumber = params.pageNumber || 0; |
|
var dest = params.destArray || null; |
|
var allowNegativeOffset = params.allowNegativeOffset || false; |
|
if (this.isInPresentationMode || !dest) { |
|
this._setCurrentPageNumber(pageNumber, true); |
|
return; |
|
} |
|
var pageView = this._pages[pageNumber - 1]; |
|
if (!pageView) { |
|
console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.'); |
|
return; |
|
} |
|
var x = 0, y = 0; |
|
var width = 0, height = 0, widthScale, heightScale; |
|
var changeOrientation = pageView.rotation % 180 === 0 ? false : true; |
|
var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / CSS_UNITS; |
|
var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / CSS_UNITS; |
|
var scale = 0; |
|
switch (dest[1].name) { |
|
case 'XYZ': |
|
x = dest[2]; |
|
y = dest[3]; |
|
scale = dest[4]; |
|
x = x !== null ? x : 0; |
|
y = y !== null ? y : pageHeight; |
|
break; |
|
case 'Fit': |
|
case 'FitB': |
|
scale = 'page-fit'; |
|
break; |
|
case 'FitH': |
|
case 'FitBH': |
|
y = dest[2]; |
|
scale = 'page-width'; |
|
if (y === null && this._location) { |
|
x = this._location.left; |
|
y = this._location.top; |
|
} |
|
break; |
|
case 'FitV': |
|
case 'FitBV': |
|
x = dest[2]; |
|
width = pageWidth; |
|
height = pageHeight; |
|
scale = 'page-height'; |
|
break; |
|
case 'FitR': |
|
x = dest[2]; |
|
y = dest[3]; |
|
width = dest[4] - x; |
|
height = dest[5] - y; |
|
var hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING; |
|
var vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING; |
|
widthScale = (this.container.clientWidth - hPadding) / width / CSS_UNITS; |
|
heightScale = (this.container.clientHeight - vPadding) / height / CSS_UNITS; |
|
scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); |
|
break; |
|
default: |
|
console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.'); |
|
return; |
|
} |
|
if (scale && scale !== this._currentScale) { |
|
this.currentScaleValue = scale; |
|
} else if (this._currentScale === UNKNOWN_SCALE) { |
|
this.currentScaleValue = DEFAULT_SCALE_VALUE; |
|
} |
|
if (scale === 'page-fit' && !dest[4]) { |
|
scrollIntoView(pageView.div); |
|
return; |
|
} |
|
var boundingRect = [ |
|
pageView.viewport.convertToViewportPoint(x, y), |
|
pageView.viewport.convertToViewportPoint(x + width, y + height) |
|
]; |
|
var left = Math.min(boundingRect[0][0], boundingRect[1][0]); |
|
var top = Math.min(boundingRect[0][1], boundingRect[1][1]); |
|
if (!allowNegativeOffset) { |
|
left = Math.max(left, 0); |
|
top = Math.max(top, 0); |
|
} |
|
scrollIntoView(pageView.div, { |
|
left: left, |
|
top: top |
|
}); |
|
}, |
|
_updateLocation: function (firstPage) { |
|
var currentScale = this._currentScale; |
|
var currentScaleValue = this._currentScaleValue; |
|
var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; |
|
var pageNumber = firstPage.id; |
|
var pdfOpenParams = '#page=' + pageNumber; |
|
pdfOpenParams += '&zoom=' + normalizedScaleValue; |
|
var currentPageView = this._pages[pageNumber - 1]; |
|
var container = this.container; |
|
var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y); |
|
var intLeft = Math.round(topLeft[0]); |
|
var intTop = Math.round(topLeft[1]); |
|
pdfOpenParams += ',' + intLeft + ',' + intTop; |
|
this._location = { |
|
pageNumber: pageNumber, |
|
scale: normalizedScaleValue, |
|
top: intTop, |
|
left: intLeft, |
|
pdfOpenParams: pdfOpenParams |
|
}; |
|
}, |
|
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 (element) { |
|
return this.container.contains(element); |
|
}, |
|
focus: function () { |
|
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 () { |
|
if (!this.isInPresentationMode) { |
|
return 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 () { |
|
for (var i = 0, ii = this._pages.length; i < ii; i++) { |
|
if (this._pages[i] && this._pages[i].renderingState !== 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 (pageView) { |
|
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) { |
|
pageView.setPdfPage(pdfPage); |
|
this._pagesRequests[pageNumber] = null; |
|
return pdfPage; |
|
}.bind(this)); |
|
this._pagesRequests[pageNumber] = promise; |
|
return promise; |
|
}, |
|
forceRendering: function (currentlyVisiblePages) { |
|
var visiblePages = currentlyVisiblePages || this._getVisiblePages(); |
|
var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down); |
|
if (pageView) { |
|
this._ensurePdfPageLoaded(pageView).then(function () { |
|
this.renderingQueue.renderView(pageView); |
|
}.bind(this)); |
|
return true; |
|
} |
|
return false; |
|
}, |
|
getPageTextContent: function (pageIndex) { |
|
return this.pdfDocument.getPage(pageIndex + 1).then(function (page) { |
|
return page.getTextContent({ normalizeWhitespace: true }); |
|
}); |
|
}, |
|
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) { |
|
return new TextLayerBuilder({ |
|
textLayerDiv: textLayerDiv, |
|
eventBus: this.eventBus, |
|
pageIndex: pageIndex, |
|
viewport: viewport, |
|
findController: this.isInPresentationMode ? null : this.findController, |
|
enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection |
|
}); |
|
}, |
|
createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) { |
|
return new AnnotationLayerBuilder({ |
|
pageDiv: pageDiv, |
|
pdfPage: pdfPage, |
|
renderInteractiveForms: renderInteractiveForms, |
|
linkService: this.linkService, |
|
downloadManager: this.downloadManager |
|
}); |
|
}, |
|
setFindController: function (findController) { |
|
this.findController = findController; |
|
}, |
|
getPagesOverview: function () { |
|
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; |
|
|
|
/***/ }) |
|
/******/ ]); |
|
}); |