8565 lines
208 KiB
JavaScript
8565 lines
208 KiB
JavaScript
/**
|
||
* @licstart The following is the entire license notice for the
|
||
* JavaScript code in this page
|
||
*
|
||
* Copyright 2022 Mozilla Foundation
|
||
*
|
||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
* you may not use this file except in compliance with the License.
|
||
* You may obtain a copy of the License at
|
||
*
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
*
|
||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
* See the License for the specific language governing permissions and
|
||
* limitations under the License.
|
||
*
|
||
* @licend The above is the entire license notice for the
|
||
* JavaScript code in this page
|
||
*/
|
||
|
||
(function webpackUniversalModuleDefinition(root, factory) {
|
||
if(typeof exports === 'object' && typeof module === 'object')
|
||
module.exports = factory();
|
||
else if(typeof define === 'function' && define.amd)
|
||
define("pdfjs-dist/web/pdf_viewer", [], factory);
|
||
else if(typeof exports === 'object')
|
||
exports["pdfjs-dist/web/pdf_viewer"] = factory();
|
||
else
|
||
root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsViewer = factory();
|
||
})(this, () => {
|
||
return /******/ (() => { // webpackBootstrap
|
||
/******/ "use strict";
|
||
/******/ var __webpack_modules__ = ([
|
||
/* 0 */,
|
||
/* 1 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.DefaultXfaLayerFactory = exports.DefaultTextLayerFactory = exports.DefaultStructTreeLayerFactory = exports.DefaultAnnotationLayerFactory = void 0;
|
||
|
||
var _annotation_layer_builder = __w_pdfjs_require__(2);
|
||
|
||
var _l10n_utils = __w_pdfjs_require__(4);
|
||
|
||
var _pdf_link_service = __w_pdfjs_require__(5);
|
||
|
||
var _struct_tree_layer_builder = __w_pdfjs_require__(7);
|
||
|
||
var _text_layer_builder = __w_pdfjs_require__(8);
|
||
|
||
var _xfa_layer_builder = __w_pdfjs_require__(9);
|
||
|
||
class DefaultAnnotationLayerFactory {
|
||
createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderForms = true, l10n = _l10n_utils.NullL10n, enableScripting = false, hasJSActionsPromise = null, mouseState = null, fieldObjectsPromise = null, annotationCanvasMap = null) {
|
||
return new _annotation_layer_builder.AnnotationLayerBuilder({
|
||
pageDiv,
|
||
pdfPage,
|
||
imageResourcesPath,
|
||
renderForms,
|
||
linkService: new _pdf_link_service.SimpleLinkService(),
|
||
l10n,
|
||
annotationStorage,
|
||
enableScripting,
|
||
hasJSActionsPromise,
|
||
fieldObjectsPromise,
|
||
mouseState,
|
||
annotationCanvasMap
|
||
});
|
||
}
|
||
|
||
}
|
||
|
||
exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
|
||
|
||
class DefaultStructTreeLayerFactory {
|
||
createStructTreeLayerBuilder(pdfPage) {
|
||
return new _struct_tree_layer_builder.StructTreeLayerBuilder({
|
||
pdfPage
|
||
});
|
||
}
|
||
|
||
}
|
||
|
||
exports.DefaultStructTreeLayerFactory = DefaultStructTreeLayerFactory;
|
||
|
||
class DefaultTextLayerFactory {
|
||
createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus, highlighter) {
|
||
return new _text_layer_builder.TextLayerBuilder({
|
||
textLayerDiv,
|
||
pageIndex,
|
||
viewport,
|
||
enhanceTextSelection,
|
||
eventBus,
|
||
highlighter
|
||
});
|
||
}
|
||
|
||
}
|
||
|
||
exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
|
||
|
||
class DefaultXfaLayerFactory {
|
||
createXfaLayerBuilder(pageDiv, pdfPage, annotationStorage = null, xfaHtml = null) {
|
||
return new _xfa_layer_builder.XfaLayerBuilder({
|
||
pageDiv,
|
||
pdfPage,
|
||
annotationStorage,
|
||
linkService: new _pdf_link_service.SimpleLinkService(),
|
||
xfaHtml
|
||
});
|
||
}
|
||
|
||
}
|
||
|
||
exports.DefaultXfaLayerFactory = DefaultXfaLayerFactory;
|
||
|
||
/***/ }),
|
||
/* 2 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.AnnotationLayerBuilder = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
var _l10n_utils = __w_pdfjs_require__(4);
|
||
|
||
class AnnotationLayerBuilder {
|
||
constructor({
|
||
pageDiv,
|
||
pdfPage,
|
||
linkService,
|
||
downloadManager,
|
||
annotationStorage = null,
|
||
imageResourcesPath = "",
|
||
renderForms = true,
|
||
l10n = _l10n_utils.NullL10n,
|
||
enableScripting = false,
|
||
hasJSActionsPromise = null,
|
||
fieldObjectsPromise = null,
|
||
mouseState = null,
|
||
annotationCanvasMap = null
|
||
}) {
|
||
this.pageDiv = pageDiv;
|
||
this.pdfPage = pdfPage;
|
||
this.linkService = linkService;
|
||
this.downloadManager = downloadManager;
|
||
this.imageResourcesPath = imageResourcesPath;
|
||
this.renderForms = renderForms;
|
||
this.l10n = l10n;
|
||
this.annotationStorage = annotationStorage;
|
||
this.enableScripting = enableScripting;
|
||
this._hasJSActionsPromise = hasJSActionsPromise;
|
||
this._fieldObjectsPromise = fieldObjectsPromise;
|
||
this._mouseState = mouseState;
|
||
this._annotationCanvasMap = annotationCanvasMap;
|
||
this.div = null;
|
||
this._cancelled = false;
|
||
}
|
||
|
||
async render(viewport, intent = "display") {
|
||
const [annotations, hasJSActions = false, fieldObjects = null] = await Promise.all([this.pdfPage.getAnnotations({
|
||
intent
|
||
}), this._hasJSActionsPromise, this._fieldObjectsPromise]);
|
||
|
||
if (this._cancelled || annotations.length === 0) {
|
||
return;
|
||
}
|
||
|
||
const parameters = {
|
||
viewport: viewport.clone({
|
||
dontFlip: true
|
||
}),
|
||
div: this.div,
|
||
annotations,
|
||
page: this.pdfPage,
|
||
imageResourcesPath: this.imageResourcesPath,
|
||
renderForms: this.renderForms,
|
||
linkService: this.linkService,
|
||
downloadManager: this.downloadManager,
|
||
annotationStorage: this.annotationStorage,
|
||
enableScripting: this.enableScripting,
|
||
hasJSActions,
|
||
fieldObjects,
|
||
mouseState: this._mouseState,
|
||
annotationCanvasMap: this._annotationCanvasMap
|
||
};
|
||
|
||
if (this.div) {
|
||
_pdfjsLib.AnnotationLayer.update(parameters);
|
||
} else {
|
||
this.div = document.createElement("div");
|
||
this.div.className = "annotationLayer";
|
||
this.pageDiv.appendChild(this.div);
|
||
parameters.div = this.div;
|
||
|
||
_pdfjsLib.AnnotationLayer.render(parameters);
|
||
|
||
this.l10n.translate(this.div);
|
||
}
|
||
}
|
||
|
||
cancel() {
|
||
this._cancelled = true;
|
||
}
|
||
|
||
hide() {
|
||
if (!this.div) {
|
||
return;
|
||
}
|
||
|
||
this.div.hidden = true;
|
||
}
|
||
|
||
}
|
||
|
||
exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
|
||
|
||
/***/ }),
|
||
/* 3 */
|
||
/***/ ((module) => {
|
||
|
||
|
||
|
||
let pdfjsLib;
|
||
|
||
if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
|
||
pdfjsLib = window["pdfjs-dist/build/pdf"];
|
||
} else {
|
||
pdfjsLib = require("../build/pdf.js");
|
||
}
|
||
|
||
module.exports = pdfjsLib;
|
||
|
||
/***/ }),
|
||
/* 4 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.NullL10n = void 0;
|
||
exports.fixupLangCode = fixupLangCode;
|
||
exports.getL10nFallback = getL10nFallback;
|
||
const DEFAULT_L10N_STRINGS = {
|
||
of_pages: "of {{pagesCount}}",
|
||
page_of_pages: "({{pageNumber}} of {{pagesCount}})",
|
||
document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
|
||
document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
|
||
document_properties_date_string: "{{date}}, {{time}}",
|
||
document_properties_page_size_unit_inches: "in",
|
||
document_properties_page_size_unit_millimeters: "mm",
|
||
document_properties_page_size_orientation_portrait: "portrait",
|
||
document_properties_page_size_orientation_landscape: "landscape",
|
||
document_properties_page_size_name_a3: "A3",
|
||
document_properties_page_size_name_a4: "A4",
|
||
document_properties_page_size_name_letter: "Letter",
|
||
document_properties_page_size_name_legal: "Legal",
|
||
document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})",
|
||
document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
|
||
document_properties_linearized_yes: "Yes",
|
||
document_properties_linearized_no: "No",
|
||
print_progress_percent: "{{progress}}%",
|
||
"toggle_sidebar.title": "Toggle Sidebar",
|
||
"toggle_sidebar_notification2.title": "Toggle Sidebar (document contains outline/attachments/layers)",
|
||
additional_layers: "Additional Layers",
|
||
page_landmark: "Page {{page}}",
|
||
thumb_page_title: "Page {{page}}",
|
||
thumb_page_canvas: "Thumbnail of Page {{page}}",
|
||
find_reached_top: "Reached top of document, continued from bottom",
|
||
find_reached_bottom: "Reached end of document, continued from top",
|
||
"find_match_count[one]": "{{current}} of {{total}} match",
|
||
"find_match_count[other]": "{{current}} of {{total}} matches",
|
||
"find_match_count_limit[one]": "More than {{limit}} match",
|
||
"find_match_count_limit[other]": "More than {{limit}} matches",
|
||
find_not_found: "Phrase not found",
|
||
error_version_info: "PDF.js v{{version}} (build: {{build}})",
|
||
error_message: "Message: {{message}}",
|
||
error_stack: "Stack: {{stack}}",
|
||
error_file: "File: {{file}}",
|
||
error_line: "Line: {{line}}",
|
||
rendering_error: "An error occurred while rendering the page.",
|
||
page_scale_width: "Page Width",
|
||
page_scale_fit: "Page Fit",
|
||
page_scale_auto: "Automatic Zoom",
|
||
page_scale_actual: "Actual Size",
|
||
page_scale_percent: "{{scale}}%",
|
||
loading: "Loading…",
|
||
loading_error: "An error occurred while loading the PDF.",
|
||
invalid_file_error: "Invalid or corrupted PDF file.",
|
||
missing_file_error: "Missing PDF file.",
|
||
unexpected_response_error: "Unexpected server response.",
|
||
printing_not_supported: "Warning: Printing is not fully supported by this browser.",
|
||
printing_not_ready: "Warning: The PDF is not fully loaded for printing.",
|
||
web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts."
|
||
};
|
||
|
||
function getL10nFallback(key, args) {
|
||
switch (key) {
|
||
case "find_match_count":
|
||
key = `find_match_count[${args.total === 1 ? "one" : "other"}]`;
|
||
break;
|
||
|
||
case "find_match_count_limit":
|
||
key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`;
|
||
break;
|
||
}
|
||
|
||
return DEFAULT_L10N_STRINGS[key] || "";
|
||
}
|
||
|
||
const PARTIAL_LANG_CODES = {
|
||
en: "en-US",
|
||
es: "es-ES",
|
||
fy: "fy-NL",
|
||
ga: "ga-IE",
|
||
gu: "gu-IN",
|
||
hi: "hi-IN",
|
||
hy: "hy-AM",
|
||
nb: "nb-NO",
|
||
ne: "ne-NP",
|
||
nn: "nn-NO",
|
||
pa: "pa-IN",
|
||
pt: "pt-PT",
|
||
sv: "sv-SE",
|
||
zh: "zh-CN"
|
||
};
|
||
|
||
function fixupLangCode(langCode) {
|
||
return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode;
|
||
}
|
||
|
||
function formatL10nValue(text, args) {
|
||
if (!args) {
|
||
return text;
|
||
}
|
||
|
||
return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
|
||
return name in args ? args[name] : "{{" + name + "}}";
|
||
});
|
||
}
|
||
|
||
const NullL10n = {
|
||
async getLanguage() {
|
||
return "en-us";
|
||
},
|
||
|
||
async getDirection() {
|
||
return "ltr";
|
||
},
|
||
|
||
async get(key, args = null, fallback = getL10nFallback(key, args)) {
|
||
return formatL10nValue(fallback, args);
|
||
},
|
||
|
||
async translate(element) {}
|
||
|
||
};
|
||
exports.NullL10n = NullL10n;
|
||
|
||
/***/ }),
|
||
/* 5 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.SimpleLinkService = exports.PDFLinkService = exports.LinkTarget = void 0;
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
|
||
const LinkTarget = {
|
||
NONE: 0,
|
||
SELF: 1,
|
||
BLANK: 2,
|
||
PARENT: 3,
|
||
TOP: 4
|
||
};
|
||
exports.LinkTarget = LinkTarget;
|
||
|
||
function addLinkAttributes(link, {
|
||
url,
|
||
target,
|
||
rel,
|
||
enabled = true
|
||
} = {}) {
|
||
if (!url || typeof url !== "string") {
|
||
throw new Error('A valid "url" parameter must provided.');
|
||
}
|
||
|
||
const urlNullRemoved = (0, _ui_utils.removeNullCharacters)(url);
|
||
|
||
if (enabled) {
|
||
link.href = link.title = urlNullRemoved;
|
||
} else {
|
||
link.href = "";
|
||
link.title = `Disabled: ${urlNullRemoved}`;
|
||
|
||
link.onclick = () => {
|
||
return false;
|
||
};
|
||
}
|
||
|
||
let targetStr = "";
|
||
|
||
switch (target) {
|
||
case LinkTarget.NONE:
|
||
break;
|
||
|
||
case LinkTarget.SELF:
|
||
targetStr = "_self";
|
||
break;
|
||
|
||
case LinkTarget.BLANK:
|
||
targetStr = "_blank";
|
||
break;
|
||
|
||
case LinkTarget.PARENT:
|
||
targetStr = "_parent";
|
||
break;
|
||
|
||
case LinkTarget.TOP:
|
||
targetStr = "_top";
|
||
break;
|
||
}
|
||
|
||
link.target = targetStr;
|
||
link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
|
||
}
|
||
|
||
class PDFLinkService {
|
||
#pagesRefCache = new Map();
|
||
|
||
constructor({
|
||
eventBus,
|
||
externalLinkTarget = null,
|
||
externalLinkRel = null,
|
||
ignoreDestinationZoom = false
|
||
} = {}) {
|
||
this.eventBus = eventBus;
|
||
this.externalLinkTarget = externalLinkTarget;
|
||
this.externalLinkRel = externalLinkRel;
|
||
this.externalLinkEnabled = true;
|
||
this._ignoreDestinationZoom = ignoreDestinationZoom;
|
||
this.baseUrl = null;
|
||
this.pdfDocument = null;
|
||
this.pdfViewer = null;
|
||
this.pdfHistory = null;
|
||
}
|
||
|
||
setDocument(pdfDocument, baseUrl = null) {
|
||
this.baseUrl = baseUrl;
|
||
this.pdfDocument = pdfDocument;
|
||
this.#pagesRefCache.clear();
|
||
}
|
||
|
||
setViewer(pdfViewer) {
|
||
this.pdfViewer = pdfViewer;
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
get rotation() {
|
||
return this.pdfViewer.pagesRotation;
|
||
}
|
||
|
||
set rotation(value) {
|
||
this.pdfViewer.pagesRotation = value;
|
||
}
|
||
|
||
#goToDestinationHelper(rawDest, namedDest = null, explicitDest) {
|
||
const destRef = explicitDest[0];
|
||
let pageNumber;
|
||
|
||
if (typeof destRef === "object" && destRef !== null) {
|
||
pageNumber = this._cachedPageNumber(destRef);
|
||
|
||
if (!pageNumber) {
|
||
this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
|
||
this.cachePageRef(pageIndex + 1, destRef);
|
||
this.#goToDestinationHelper(rawDest, namedDest, explicitDest);
|
||
}).catch(() => {
|
||
console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`);
|
||
});
|
||
return;
|
||
}
|
||
} else if (Number.isInteger(destRef)) {
|
||
pageNumber = destRef + 1;
|
||
} else {
|
||
console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`);
|
||
return;
|
||
}
|
||
|
||
if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
|
||
console.error(`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`);
|
||
return;
|
||
}
|
||
|
||
if (this.pdfHistory) {
|
||
this.pdfHistory.pushCurrentPosition();
|
||
this.pdfHistory.push({
|
||
namedDest,
|
||
explicitDest,
|
||
pageNumber
|
||
});
|
||
}
|
||
|
||
this.pdfViewer.scrollPageIntoView({
|
||
pageNumber,
|
||
destArray: explicitDest,
|
||
ignoreDestinationZoom: this._ignoreDestinationZoom
|
||
});
|
||
}
|
||
|
||
async goToDestination(dest) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
let namedDest, explicitDest;
|
||
|
||
if (typeof dest === "string") {
|
||
namedDest = dest;
|
||
explicitDest = await this.pdfDocument.getDestination(dest);
|
||
} else {
|
||
namedDest = null;
|
||
explicitDest = await dest;
|
||
}
|
||
|
||
if (!Array.isArray(explicitDest)) {
|
||
console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`);
|
||
return;
|
||
}
|
||
|
||
this.#goToDestinationHelper(dest, namedDest, explicitDest);
|
||
}
|
||
|
||
goToPage(val) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
|
||
|
||
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
|
||
console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
|
||
return;
|
||
}
|
||
|
||
if (this.pdfHistory) {
|
||
this.pdfHistory.pushCurrentPosition();
|
||
this.pdfHistory.pushPage(pageNumber);
|
||
}
|
||
|
||
this.pdfViewer.scrollPageIntoView({
|
||
pageNumber
|
||
});
|
||
}
|
||
|
||
addLinkAttributes(link, url, newWindow = false) {
|
||
addLinkAttributes(link, {
|
||
url,
|
||
target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
|
||
rel: this.externalLinkRel,
|
||
enabled: this.externalLinkEnabled
|
||
});
|
||
}
|
||
|
||
getDestinationHash(dest) {
|
||
if (typeof dest === "string") {
|
||
if (dest.length > 0) {
|
||
return this.getAnchorUrl("#" + escape(dest));
|
||
}
|
||
} else if (Array.isArray(dest)) {
|
||
const str = JSON.stringify(dest);
|
||
|
||
if (str.length > 0) {
|
||
return this.getAnchorUrl("#" + escape(str));
|
||
}
|
||
}
|
||
|
||
return this.getAnchorUrl("");
|
||
}
|
||
|
||
getAnchorUrl(anchor) {
|
||
return (this.baseUrl || "") + anchor;
|
||
}
|
||
|
||
setHash(hash) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
let pageNumber, dest;
|
||
|
||
if (hash.includes("=")) {
|
||
const params = (0, _ui_utils.parseQueryString)(hash);
|
||
|
||
if (params.has("search")) {
|
||
this.eventBus.dispatch("findfromurlhash", {
|
||
source: this,
|
||
query: params.get("search").replace(/"/g, ""),
|
||
phraseSearch: params.get("phrase") === "true"
|
||
});
|
||
}
|
||
|
||
if (params.has("page")) {
|
||
pageNumber = params.get("page") | 0 || 1;
|
||
}
|
||
|
||
if (params.has("zoom")) {
|
||
const zoomArgs = params.get("zoom").split(",");
|
||
const zoomArg = zoomArgs[0];
|
||
const zoomArgNumber = parseFloat(zoomArg);
|
||
|
||
if (!zoomArg.includes("Fit")) {
|
||
dest = [null, {
|
||
name: "XYZ"
|
||
}, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
|
||
} else {
|
||
if (zoomArg === "Fit" || zoomArg === "FitB") {
|
||
dest = [null, {
|
||
name: zoomArg
|
||
}];
|
||
} else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
|
||
dest = [null, {
|
||
name: zoomArg
|
||
}, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
|
||
} else if (zoomArg === "FitR") {
|
||
if (zoomArgs.length !== 5) {
|
||
console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
|
||
} else {
|
||
dest = [null, {
|
||
name: zoomArg
|
||
}, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
|
||
}
|
||
} else {
|
||
console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (dest) {
|
||
this.pdfViewer.scrollPageIntoView({
|
||
pageNumber: pageNumber || this.page,
|
||
destArray: dest,
|
||
allowNegativeOffset: true
|
||
});
|
||
} else if (pageNumber) {
|
||
this.page = pageNumber;
|
||
}
|
||
|
||
if (params.has("pagemode")) {
|
||
this.eventBus.dispatch("pagemode", {
|
||
source: this,
|
||
mode: params.get("pagemode")
|
||
});
|
||
}
|
||
|
||
if (params.has("nameddest")) {
|
||
this.goToDestination(params.get("nameddest"));
|
||
}
|
||
} else {
|
||
dest = unescape(hash);
|
||
|
||
try {
|
||
dest = JSON.parse(dest);
|
||
|
||
if (!Array.isArray(dest)) {
|
||
dest = dest.toString();
|
||
}
|
||
} catch (ex) {}
|
||
|
||
if (typeof dest === "string" || PDFLinkService.#isValidExplicitDestination(dest)) {
|
||
this.goToDestination(dest);
|
||
return;
|
||
}
|
||
|
||
console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`);
|
||
}
|
||
}
|
||
|
||
executeNamedAction(action) {
|
||
switch (action) {
|
||
case "GoBack":
|
||
this.pdfHistory?.back();
|
||
break;
|
||
|
||
case "GoForward":
|
||
this.pdfHistory?.forward();
|
||
break;
|
||
|
||
case "NextPage":
|
||
this.pdfViewer.nextPage();
|
||
break;
|
||
|
||
case "PrevPage":
|
||
this.pdfViewer.previousPage();
|
||
break;
|
||
|
||
case "LastPage":
|
||
this.page = this.pagesCount;
|
||
break;
|
||
|
||
case "FirstPage":
|
||
this.page = 1;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
this.eventBus.dispatch("namedaction", {
|
||
source: this,
|
||
action
|
||
});
|
||
}
|
||
|
||
cachePageRef(pageNum, pageRef) {
|
||
if (!pageRef) {
|
||
return;
|
||
}
|
||
|
||
const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
|
||
this.#pagesRefCache.set(refStr, pageNum);
|
||
}
|
||
|
||
_cachedPageNumber(pageRef) {
|
||
if (!pageRef) {
|
||
return null;
|
||
}
|
||
|
||
const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
|
||
return this.#pagesRefCache.get(refStr) || null;
|
||
}
|
||
|
||
isPageVisible(pageNumber) {
|
||
return this.pdfViewer.isPageVisible(pageNumber);
|
||
}
|
||
|
||
isPageCached(pageNumber) {
|
||
return this.pdfViewer.isPageCached(pageNumber);
|
||
}
|
||
|
||
static #isValidExplicitDestination(dest) {
|
||
if (!Array.isArray(dest)) {
|
||
return false;
|
||
}
|
||
|
||
const destLength = dest.length;
|
||
|
||
if (destLength < 2) {
|
||
return false;
|
||
}
|
||
|
||
const page = dest[0];
|
||
|
||
if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
|
||
return false;
|
||
}
|
||
|
||
const zoom = dest[1];
|
||
|
||
if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
|
||
return false;
|
||
}
|
||
|
||
let allowNull = true;
|
||
|
||
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 (let i = 2; i < destLength; i++) {
|
||
const param = dest[i];
|
||
|
||
if (!(typeof param === "number" || allowNull && param === null)) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFLinkService = PDFLinkService;
|
||
|
||
class SimpleLinkService {
|
||
constructor() {
|
||
this.externalLinkEnabled = true;
|
||
}
|
||
|
||
get pagesCount() {
|
||
return 0;
|
||
}
|
||
|
||
get page() {
|
||
return 0;
|
||
}
|
||
|
||
set page(value) {}
|
||
|
||
get rotation() {
|
||
return 0;
|
||
}
|
||
|
||
set rotation(value) {}
|
||
|
||
async goToDestination(dest) {}
|
||
|
||
goToPage(val) {}
|
||
|
||
addLinkAttributes(link, url, newWindow = false) {
|
||
addLinkAttributes(link, {
|
||
url,
|
||
enabled: this.externalLinkEnabled
|
||
});
|
||
}
|
||
|
||
getDestinationHash(dest) {
|
||
return "#";
|
||
}
|
||
|
||
getAnchorUrl(hash) {
|
||
return "#";
|
||
}
|
||
|
||
setHash(hash) {}
|
||
|
||
executeNamedAction(action) {}
|
||
|
||
cachePageRef(pageNum, pageRef) {}
|
||
|
||
isPageVisible(pageNumber) {
|
||
return true;
|
||
}
|
||
|
||
isPageCached(pageNumber) {
|
||
return true;
|
||
}
|
||
|
||
}
|
||
|
||
exports.SimpleLinkService = SimpleLinkService;
|
||
|
||
/***/ }),
|
||
/* 6 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.animationStarted = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RenderingStates = exports.RendererType = exports.ProgressBar = exports.PresentationModeState = exports.OutputScale = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE_DELTA = exports.DEFAULT_SCALE = exports.AutoPrintRegExp = void 0;
|
||
exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes;
|
||
exports.apiPageModeToSidebarView = apiPageModeToSidebarView;
|
||
exports.approximateFraction = approximateFraction;
|
||
exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
|
||
exports.binarySearchFirstItem = binarySearchFirstItem;
|
||
exports.getActiveOrFocusedElement = getActiveOrFocusedElement;
|
||
exports.getPageSizeInches = getPageSizeInches;
|
||
exports.getVisibleElements = getVisibleElements;
|
||
exports.isPortraitOrientation = isPortraitOrientation;
|
||
exports.isValidRotation = isValidRotation;
|
||
exports.isValidScrollMode = isValidScrollMode;
|
||
exports.isValidSpreadMode = isValidSpreadMode;
|
||
exports.noContextMenuHandler = noContextMenuHandler;
|
||
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
|
||
exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
|
||
exports.parseQueryString = parseQueryString;
|
||
exports.removeNullCharacters = removeNullCharacters;
|
||
exports.roundToDivide = roundToDivide;
|
||
exports.scrollIntoView = scrollIntoView;
|
||
exports.watchScroll = watchScroll;
|
||
const DEFAULT_SCALE_VALUE = "auto";
|
||
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
|
||
const DEFAULT_SCALE = 1.0;
|
||
exports.DEFAULT_SCALE = DEFAULT_SCALE;
|
||
const DEFAULT_SCALE_DELTA = 1.1;
|
||
exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA;
|
||
const MIN_SCALE = 0.1;
|
||
exports.MIN_SCALE = MIN_SCALE;
|
||
const MAX_SCALE = 10.0;
|
||
exports.MAX_SCALE = MAX_SCALE;
|
||
const UNKNOWN_SCALE = 0;
|
||
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
|
||
const MAX_AUTO_SCALE = 1.25;
|
||
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
|
||
const SCROLLBAR_PADDING = 40;
|
||
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
|
||
const VERTICAL_PADDING = 5;
|
||
exports.VERTICAL_PADDING = VERTICAL_PADDING;
|
||
const RenderingStates = {
|
||
INITIAL: 0,
|
||
RUNNING: 1,
|
||
PAUSED: 2,
|
||
FINISHED: 3
|
||
};
|
||
exports.RenderingStates = RenderingStates;
|
||
const PresentationModeState = {
|
||
UNKNOWN: 0,
|
||
NORMAL: 1,
|
||
CHANGING: 2,
|
||
FULLSCREEN: 3
|
||
};
|
||
exports.PresentationModeState = PresentationModeState;
|
||
const SidebarView = {
|
||
UNKNOWN: -1,
|
||
NONE: 0,
|
||
THUMBS: 1,
|
||
OUTLINE: 2,
|
||
ATTACHMENTS: 3,
|
||
LAYERS: 4
|
||
};
|
||
exports.SidebarView = SidebarView;
|
||
const RendererType = {
|
||
CANVAS: "canvas",
|
||
SVG: "svg"
|
||
};
|
||
exports.RendererType = RendererType;
|
||
const TextLayerMode = {
|
||
DISABLE: 0,
|
||
ENABLE: 1,
|
||
ENABLE_ENHANCE: 2
|
||
};
|
||
exports.TextLayerMode = TextLayerMode;
|
||
const ScrollMode = {
|
||
UNKNOWN: -1,
|
||
VERTICAL: 0,
|
||
HORIZONTAL: 1,
|
||
WRAPPED: 2,
|
||
PAGE: 3
|
||
};
|
||
exports.ScrollMode = ScrollMode;
|
||
const SpreadMode = {
|
||
UNKNOWN: -1,
|
||
NONE: 0,
|
||
ODD: 1,
|
||
EVEN: 2
|
||
};
|
||
exports.SpreadMode = SpreadMode;
|
||
const AutoPrintRegExp = /\bprint\s*\(/;
|
||
exports.AutoPrintRegExp = AutoPrintRegExp;
|
||
|
||
class OutputScale {
|
||
constructor() {
|
||
const pixelRatio = window.devicePixelRatio || 1;
|
||
this.sx = pixelRatio;
|
||
this.sy = pixelRatio;
|
||
}
|
||
|
||
get scaled() {
|
||
return this.sx !== 1 || this.sy !== 1;
|
||
}
|
||
|
||
}
|
||
|
||
exports.OutputScale = OutputScale;
|
||
|
||
function scrollIntoView(element, spot, scrollMatches = false) {
|
||
let parent = element.offsetParent;
|
||
|
||
if (!parent) {
|
||
console.error("offsetParent is not set -- cannot scroll");
|
||
return;
|
||
}
|
||
|
||
let offsetY = element.offsetTop + element.clientTop;
|
||
let offsetX = element.offsetLeft + element.clientLeft;
|
||
|
||
while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) {
|
||
offsetY += parent.offsetTop;
|
||
offsetX += parent.offsetLeft;
|
||
parent = parent.offsetParent;
|
||
|
||
if (!parent) {
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (spot) {
|
||
if (spot.top !== undefined) {
|
||
offsetY += spot.top;
|
||
}
|
||
|
||
if (spot.left !== undefined) {
|
||
offsetX += spot.left;
|
||
parent.scrollLeft = offsetX;
|
||
}
|
||
}
|
||
|
||
if (parent && parent.classList.contains('pdfViewer')) {
|
||
parent = parent.parentElement
|
||
}
|
||
|
||
parent.scrollTop = offsetY;
|
||
}
|
||
|
||
function watchScroll(viewAreaElement, callback) {
|
||
const debounceScroll = function (evt) {
|
||
if (rAF) {
|
||
return;
|
||
}
|
||
|
||
rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
|
||
rAF = null;
|
||
const currentX = viewAreaElement.scrollLeft;
|
||
const lastX = state.lastX;
|
||
|
||
if (currentX !== lastX) {
|
||
state.right = currentX > lastX;
|
||
}
|
||
|
||
state.lastX = currentX;
|
||
const currentY = viewAreaElement.scrollTop;
|
||
const lastY = state.lastY;
|
||
|
||
if (currentY !== lastY) {
|
||
state.down = currentY > lastY;
|
||
}
|
||
|
||
state.lastY = currentY;
|
||
callback(state);
|
||
});
|
||
};
|
||
|
||
const state = {
|
||
right: true,
|
||
down: true,
|
||
lastX: viewAreaElement.scrollLeft,
|
||
lastY: viewAreaElement.scrollTop,
|
||
_eventHandler: debounceScroll
|
||
};
|
||
let rAF = null;
|
||
viewAreaElement.addEventListener("scroll", debounceScroll, true);
|
||
return state;
|
||
}
|
||
|
||
function parseQueryString(query) {
|
||
const params = new Map();
|
||
|
||
for (const [key, value] of new URLSearchParams(query)) {
|
||
params.set(key.toLowerCase(), value);
|
||
}
|
||
|
||
return params;
|
||
}
|
||
|
||
const NullCharactersRegExp = /\x00/g;
|
||
const InvisibleCharactersRegExp = /[\x01-\x1F]/g;
|
||
|
||
function removeNullCharacters(str, replaceInvisible = false) {
|
||
if (typeof str !== "string") {
|
||
console.error(`The argument must be a string.`);
|
||
return str;
|
||
}
|
||
|
||
if (replaceInvisible) {
|
||
str = str.replace(InvisibleCharactersRegExp, " ");
|
||
}
|
||
|
||
return str.replace(NullCharactersRegExp, "");
|
||
}
|
||
|
||
function binarySearchFirstItem(items, condition, start = 0) {
|
||
let minIndex = start;
|
||
let maxIndex = items.length - 1;
|
||
|
||
if (maxIndex < 0 || !condition(items[maxIndex])) {
|
||
return items.length;
|
||
}
|
||
|
||
if (condition(items[minIndex])) {
|
||
return minIndex;
|
||
}
|
||
|
||
while (minIndex < maxIndex) {
|
||
const currentIndex = minIndex + maxIndex >> 1;
|
||
const currentItem = items[currentIndex];
|
||
|
||
if (condition(currentItem)) {
|
||
maxIndex = currentIndex;
|
||
} else {
|
||
minIndex = currentIndex + 1;
|
||
}
|
||
}
|
||
|
||
return minIndex;
|
||
}
|
||
|
||
function approximateFraction(x) {
|
||
if (Math.floor(x) === x) {
|
||
return [x, 1];
|
||
}
|
||
|
||
const xinv = 1 / x;
|
||
const limit = 8;
|
||
|
||
if (xinv > limit) {
|
||
return [1, limit];
|
||
} else if (Math.floor(xinv) === xinv) {
|
||
return [1, xinv];
|
||
}
|
||
|
||
const x_ = x > 1 ? xinv : x;
|
||
let a = 0,
|
||
b = 1,
|
||
c = 1,
|
||
d = 1;
|
||
|
||
while (true) {
|
||
const p = a + c,
|
||
q = b + d;
|
||
|
||
if (q > limit) {
|
||
break;
|
||
}
|
||
|
||
if (x_ <= p / q) {
|
||
c = p;
|
||
d = q;
|
||
} else {
|
||
a = p;
|
||
b = q;
|
||
}
|
||
}
|
||
|
||
let result;
|
||
|
||
if (x_ - a / b < c / d - x_) {
|
||
result = x_ === x ? [a, b] : [b, a];
|
||
} else {
|
||
result = x_ === x ? [c, d] : [d, c];
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
function roundToDivide(x, div) {
|
||
const r = x % div;
|
||
return r === 0 ? x : Math.round(x - r + div);
|
||
}
|
||
|
||
function getPageSizeInches({
|
||
view,
|
||
userUnit,
|
||
rotate
|
||
}) {
|
||
const [x1, y1, x2, y2] = view;
|
||
const changeOrientation = rotate % 180 !== 0;
|
||
const width = (x2 - x1) / 72 * userUnit;
|
||
const height = (y2 - y1) / 72 * userUnit;
|
||
return {
|
||
width: changeOrientation ? height : width,
|
||
height: changeOrientation ? width : height
|
||
};
|
||
}
|
||
|
||
function backtrackBeforeAllVisibleElements(index, views, top) {
|
||
if (index < 2) {
|
||
return index;
|
||
}
|
||
|
||
let elt = views[index].div;
|
||
let pageTop = elt.offsetTop + elt.clientTop;
|
||
|
||
if (pageTop >= top) {
|
||
elt = views[index - 1].div;
|
||
pageTop = elt.offsetTop + elt.clientTop;
|
||
}
|
||
|
||
for (let i = index - 2; i >= 0; --i) {
|
||
elt = views[i].div;
|
||
|
||
if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
|
||
break;
|
||
}
|
||
|
||
index = i;
|
||
}
|
||
|
||
return index;
|
||
}
|
||
|
||
function getVisibleElements({
|
||
scrollEl,
|
||
views,
|
||
sortByVisibility = false,
|
||
horizontal = false,
|
||
rtl = false
|
||
}) {
|
||
const top = scrollEl.scrollTop,
|
||
bottom = top + scrollEl.clientHeight;
|
||
const left = scrollEl.scrollLeft,
|
||
right = left + scrollEl.clientWidth;
|
||
|
||
function isElementBottomAfterViewTop(view) {
|
||
const element = view.div;
|
||
const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
|
||
return elementBottom > top;
|
||
}
|
||
|
||
function isElementNextAfterViewHorizontally(view) {
|
||
const element = view.div;
|
||
const elementLeft = element.offsetLeft + element.clientLeft;
|
||
const elementRight = elementLeft + element.clientWidth;
|
||
return rtl ? elementLeft < right : elementRight > left;
|
||
}
|
||
|
||
const visible = [],
|
||
ids = new Set(),
|
||
numViews = views.length;
|
||
let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
|
||
|
||
if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
|
||
firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
|
||
}
|
||
|
||
let lastEdge = horizontal ? right : -1;
|
||
|
||
for (let i = firstVisibleElementInd; i < numViews; i++) {
|
||
const view = views[i],
|
||
element = view.div;
|
||
const currentWidth = element.offsetLeft + element.clientLeft;
|
||
const currentHeight = element.offsetTop + element.clientTop;
|
||
const viewWidth = element.clientWidth,
|
||
viewHeight = element.clientHeight;
|
||
const viewRight = currentWidth + viewWidth;
|
||
const viewBottom = currentHeight + viewHeight;
|
||
|
||
if (lastEdge === -1) {
|
||
if (viewBottom >= bottom) {
|
||
lastEdge = viewBottom;
|
||
}
|
||
} else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
|
||
break;
|
||
}
|
||
|
||
if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
|
||
continue;
|
||
}
|
||
|
||
const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
|
||
const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
|
||
const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
|
||
fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
|
||
const percent = fractionHeight * fractionWidth * 100 | 0;
|
||
visible.push({
|
||
id: view.id,
|
||
x: currentWidth,
|
||
y: currentHeight,
|
||
view,
|
||
percent,
|
||
widthPercent: fractionWidth * 100 | 0
|
||
});
|
||
ids.add(view.id);
|
||
}
|
||
|
||
const first = visible[0],
|
||
last = visible[visible.length - 1];
|
||
|
||
if (sortByVisibility) {
|
||
visible.sort(function (a, b) {
|
||
const pc = a.percent - b.percent;
|
||
|
||
if (Math.abs(pc) > 0.001) {
|
||
return -pc;
|
||
}
|
||
|
||
return a.id - b.id;
|
||
});
|
||
}
|
||
|
||
return {
|
||
first,
|
||
last,
|
||
views: visible,
|
||
ids
|
||
};
|
||
}
|
||
|
||
function noContextMenuHandler(evt) {
|
||
evt.preventDefault();
|
||
}
|
||
|
||
function normalizeWheelEventDirection(evt) {
|
||
let delta = Math.hypot(evt.deltaX, evt.deltaY);
|
||
const angle = Math.atan2(evt.deltaY, evt.deltaX);
|
||
|
||
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
|
||
delta = -delta;
|
||
}
|
||
|
||
return delta;
|
||
}
|
||
|
||
function normalizeWheelEventDelta(evt) {
|
||
let delta = normalizeWheelEventDirection(evt);
|
||
const MOUSE_DOM_DELTA_PIXEL_MODE = 0;
|
||
const MOUSE_DOM_DELTA_LINE_MODE = 1;
|
||
const MOUSE_PIXELS_PER_LINE = 30;
|
||
const MOUSE_LINES_PER_PAGE = 30;
|
||
|
||
if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
|
||
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
|
||
} else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
|
||
delta /= MOUSE_LINES_PER_PAGE;
|
||
}
|
||
|
||
return delta;
|
||
}
|
||
|
||
function isValidRotation(angle) {
|
||
return Number.isInteger(angle) && angle % 90 === 0;
|
||
}
|
||
|
||
function isValidScrollMode(mode) {
|
||
return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
|
||
}
|
||
|
||
function isValidSpreadMode(mode) {
|
||
return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
|
||
}
|
||
|
||
function isPortraitOrientation(size) {
|
||
return size.width <= size.height;
|
||
}
|
||
|
||
const animationStarted = new Promise(function (resolve) {
|
||
window.requestAnimationFrame(resolve);
|
||
});
|
||
exports.animationStarted = animationStarted;
|
||
|
||
function clamp(v, min, max) {
|
||
return Math.min(Math.max(v, min), max);
|
||
}
|
||
|
||
class ProgressBar {
|
||
constructor(id) {
|
||
if (arguments.length > 1) {
|
||
throw new Error("ProgressBar no longer accepts any additional options, " + "please use CSS rules to modify its appearance instead.");
|
||
}
|
||
|
||
this.visible = true;
|
||
this.div = document.querySelector(id + " .progress");
|
||
this.bar = this.div.parentNode;
|
||
this.percent = 0;
|
||
}
|
||
|
||
#updateBar() {
|
||
if (this._indeterminate) {
|
||
this.div.classList.add("indeterminate");
|
||
return;
|
||
}
|
||
|
||
this.div.classList.remove("indeterminate");
|
||
const doc = document.documentElement;
|
||
doc.style.setProperty("--progressBar-percent", `${this._percent}%`);
|
||
}
|
||
|
||
get percent() {
|
||
return this._percent;
|
||
}
|
||
|
||
set percent(val) {
|
||
this._indeterminate = isNaN(val);
|
||
this._percent = clamp(val, 0, 100);
|
||
this.#updateBar();
|
||
}
|
||
|
||
setWidth(viewer) {
|
||
if (!viewer) {
|
||
return;
|
||
}
|
||
|
||
const container = viewer.parentNode;
|
||
const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
|
||
|
||
if (scrollbarWidth > 0) {
|
||
const doc = document.documentElement;
|
||
doc.style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`);
|
||
}
|
||
}
|
||
|
||
hide() {
|
||
if (!this.visible) {
|
||
return;
|
||
}
|
||
|
||
this.visible = false;
|
||
this.bar.classList.add("hidden");
|
||
}
|
||
|
||
show() {
|
||
if (this.visible) {
|
||
return;
|
||
}
|
||
|
||
this.visible = true;
|
||
this.bar.classList.remove("hidden");
|
||
}
|
||
|
||
}
|
||
|
||
exports.ProgressBar = ProgressBar;
|
||
|
||
function getActiveOrFocusedElement() {
|
||
let curRoot = document;
|
||
let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
|
||
|
||
while (curActiveOrFocused?.shadowRoot) {
|
||
curRoot = curActiveOrFocused.shadowRoot;
|
||
curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
|
||
}
|
||
|
||
return curActiveOrFocused;
|
||
}
|
||
|
||
function apiPageLayoutToViewerModes(layout) {
|
||
let scrollMode = ScrollMode.VERTICAL,
|
||
spreadMode = SpreadMode.NONE;
|
||
|
||
switch (layout) {
|
||
case "SinglePage":
|
||
scrollMode = ScrollMode.PAGE;
|
||
break;
|
||
|
||
case "OneColumn":
|
||
break;
|
||
|
||
case "TwoPageLeft":
|
||
scrollMode = ScrollMode.PAGE;
|
||
|
||
case "TwoColumnLeft":
|
||
spreadMode = SpreadMode.ODD;
|
||
break;
|
||
|
||
case "TwoPageRight":
|
||
scrollMode = ScrollMode.PAGE;
|
||
|
||
case "TwoColumnRight":
|
||
spreadMode = SpreadMode.EVEN;
|
||
break;
|
||
}
|
||
|
||
return {
|
||
scrollMode,
|
||
spreadMode
|
||
};
|
||
}
|
||
|
||
function apiPageModeToSidebarView(mode) {
|
||
switch (mode) {
|
||
case "UseNone":
|
||
return SidebarView.NONE;
|
||
|
||
case "UseThumbs":
|
||
return SidebarView.THUMBS;
|
||
|
||
case "UseOutlines":
|
||
return SidebarView.OUTLINE;
|
||
|
||
case "UseAttachments":
|
||
return SidebarView.ATTACHMENTS;
|
||
|
||
case "UseOC":
|
||
return SidebarView.LAYERS;
|
||
}
|
||
|
||
return SidebarView.NONE;
|
||
}
|
||
|
||
/***/ }),
|
||
/* 7 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.StructTreeLayerBuilder = void 0;
|
||
const PDF_ROLE_TO_HTML_ROLE = {
|
||
Document: null,
|
||
DocumentFragment: null,
|
||
Part: "group",
|
||
Sect: "group",
|
||
Div: "group",
|
||
Aside: "note",
|
||
NonStruct: "none",
|
||
P: null,
|
||
H: "heading",
|
||
Title: null,
|
||
FENote: "note",
|
||
Sub: "group",
|
||
Lbl: null,
|
||
Span: null,
|
||
Em: null,
|
||
Strong: null,
|
||
Link: "link",
|
||
Annot: "note",
|
||
Form: "form",
|
||
Ruby: null,
|
||
RB: null,
|
||
RT: null,
|
||
RP: null,
|
||
Warichu: null,
|
||
WT: null,
|
||
WP: null,
|
||
L: "list",
|
||
LI: "listitem",
|
||
LBody: null,
|
||
Table: "table",
|
||
TR: "row",
|
||
TH: "columnheader",
|
||
TD: "cell",
|
||
THead: "columnheader",
|
||
TBody: null,
|
||
TFoot: null,
|
||
Caption: null,
|
||
Figure: "figure",
|
||
Formula: null,
|
||
Artifact: null
|
||
};
|
||
const HEADING_PATTERN = /^H(\d+)$/;
|
||
|
||
class StructTreeLayerBuilder {
|
||
constructor({
|
||
pdfPage
|
||
}) {
|
||
this.pdfPage = pdfPage;
|
||
}
|
||
|
||
render(structTree) {
|
||
return this._walk(structTree);
|
||
}
|
||
|
||
_setAttributes(structElement, htmlElement) {
|
||
if (structElement.alt !== undefined) {
|
||
htmlElement.setAttribute("aria-label", structElement.alt);
|
||
}
|
||
|
||
if (structElement.id !== undefined) {
|
||
htmlElement.setAttribute("aria-owns", structElement.id);
|
||
}
|
||
|
||
if (structElement.lang !== undefined) {
|
||
htmlElement.setAttribute("lang", structElement.lang);
|
||
}
|
||
}
|
||
|
||
_walk(node) {
|
||
if (!node) {
|
||
return null;
|
||
}
|
||
|
||
const element = document.createElement("span");
|
||
|
||
if ("role" in node) {
|
||
const {
|
||
role
|
||
} = node;
|
||
const match = role.match(HEADING_PATTERN);
|
||
|
||
if (match) {
|
||
element.setAttribute("role", "heading");
|
||
element.setAttribute("aria-level", match[1]);
|
||
} else if (PDF_ROLE_TO_HTML_ROLE[role]) {
|
||
element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
|
||
}
|
||
}
|
||
|
||
this._setAttributes(node, element);
|
||
|
||
if (node.children) {
|
||
if (node.children.length === 1 && "id" in node.children[0]) {
|
||
this._setAttributes(node.children[0], element);
|
||
} else {
|
||
for (const kid of node.children) {
|
||
element.appendChild(this._walk(kid));
|
||
}
|
||
}
|
||
}
|
||
|
||
return element;
|
||
}
|
||
|
||
}
|
||
|
||
exports.StructTreeLayerBuilder = StructTreeLayerBuilder;
|
||
|
||
/***/ }),
|
||
/* 8 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.TextLayerBuilder = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
const EXPAND_DIVS_TIMEOUT = 300;
|
||
|
||
class TextLayerBuilder {
|
||
constructor({
|
||
textLayerDiv,
|
||
eventBus,
|
||
pageIndex,
|
||
viewport,
|
||
highlighter = null,
|
||
enhanceTextSelection = false
|
||
}) {
|
||
this.textLayerDiv = textLayerDiv;
|
||
this.eventBus = eventBus;
|
||
this.textContent = null;
|
||
this.textContentItemsStr = [];
|
||
this.textContentStream = null;
|
||
this.renderingDone = false;
|
||
this.pageNumber = pageIndex + 1;
|
||
this.viewport = viewport;
|
||
this.textDivs = [];
|
||
this.textLayerRenderTask = null;
|
||
this.highlighter = highlighter;
|
||
this.enhanceTextSelection = enhanceTextSelection;
|
||
|
||
this._bindMouse();
|
||
}
|
||
|
||
_finishRendering() {
|
||
this.renderingDone = true;
|
||
|
||
if (!this.enhanceTextSelection) {
|
||
const 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(timeout = 0) {
|
||
if (!(this.textContent || this.textContentStream) || this.renderingDone) {
|
||
return;
|
||
}
|
||
|
||
this.cancel();
|
||
this.textDivs.length = 0;
|
||
this.highlighter?.setTextMapping(this.textDivs, this.textContentItemsStr);
|
||
const textLayerFrag = document.createDocumentFragment();
|
||
this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
|
||
textContent: this.textContent,
|
||
textContentStream: this.textContentStream,
|
||
container: textLayerFrag,
|
||
viewport: this.viewport,
|
||
textDivs: this.textDivs,
|
||
textContentItemsStr: this.textContentItemsStr,
|
||
timeout,
|
||
enhanceTextSelection: this.enhanceTextSelection
|
||
});
|
||
this.textLayerRenderTask.promise.then(() => {
|
||
this.textLayerDiv.appendChild(textLayerFrag);
|
||
|
||
this._finishRendering();
|
||
|
||
this.highlighter?.enable();
|
||
}, function (reason) {});
|
||
}
|
||
|
||
cancel() {
|
||
if (this.textLayerRenderTask) {
|
||
this.textLayerRenderTask.cancel();
|
||
this.textLayerRenderTask = null;
|
||
}
|
||
|
||
this.highlighter?.disable();
|
||
}
|
||
|
||
setTextContentStream(readableStream) {
|
||
this.cancel();
|
||
this.textContentStream = readableStream;
|
||
}
|
||
|
||
setTextContent(textContent) {
|
||
this.cancel();
|
||
this.textContent = textContent;
|
||
}
|
||
|
||
_bindMouse() {
|
||
const div = this.textLayerDiv;
|
||
let expandDivsTimer = null;
|
||
div.addEventListener("mousedown", evt => {
|
||
if (this.enhanceTextSelection && this.textLayerRenderTask) {
|
||
this.textLayerRenderTask.expandTextDivs(true);
|
||
|
||
if (expandDivsTimer) {
|
||
clearTimeout(expandDivsTimer);
|
||
expandDivsTimer = null;
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
const end = div.querySelector(".endOfContent");
|
||
|
||
if (!end) {
|
||
return;
|
||
}
|
||
|
||
let adjustTop = evt.target !== div;
|
||
adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
|
||
|
||
if (adjustTop) {
|
||
const divBounds = div.getBoundingClientRect();
|
||
const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
|
||
end.style.top = (r * 100).toFixed(2) + "%";
|
||
}
|
||
|
||
end.classList.add("active");
|
||
});
|
||
div.addEventListener("mouseup", () => {
|
||
if (this.enhanceTextSelection && this.textLayerRenderTask) {
|
||
expandDivsTimer = setTimeout(() => {
|
||
if (this.textLayerRenderTask) {
|
||
this.textLayerRenderTask.expandTextDivs(false);
|
||
}
|
||
|
||
expandDivsTimer = null;
|
||
}, EXPAND_DIVS_TIMEOUT);
|
||
return;
|
||
}
|
||
|
||
const end = div.querySelector(".endOfContent");
|
||
|
||
if (!end) {
|
||
return;
|
||
}
|
||
|
||
end.style.top = "";
|
||
end.classList.remove("active");
|
||
});
|
||
}
|
||
|
||
}
|
||
|
||
exports.TextLayerBuilder = TextLayerBuilder;
|
||
|
||
/***/ }),
|
||
/* 9 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.XfaLayerBuilder = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
class XfaLayerBuilder {
|
||
constructor({
|
||
pageDiv,
|
||
pdfPage,
|
||
annotationStorage = null,
|
||
linkService,
|
||
xfaHtml = null
|
||
}) {
|
||
this.pageDiv = pageDiv;
|
||
this.pdfPage = pdfPage;
|
||
this.annotationStorage = annotationStorage;
|
||
this.linkService = linkService;
|
||
this.xfaHtml = xfaHtml;
|
||
this.div = null;
|
||
this._cancelled = false;
|
||
}
|
||
|
||
render(viewport, intent = "display") {
|
||
if (intent === "print") {
|
||
const parameters = {
|
||
viewport: viewport.clone({
|
||
dontFlip: true
|
||
}),
|
||
div: this.div,
|
||
xfaHtml: this.xfaHtml,
|
||
annotationStorage: this.annotationStorage,
|
||
linkService: this.linkService,
|
||
intent
|
||
};
|
||
const div = document.createElement("div");
|
||
this.pageDiv.appendChild(div);
|
||
parameters.div = div;
|
||
|
||
const result = _pdfjsLib.XfaLayer.render(parameters);
|
||
|
||
return Promise.resolve(result);
|
||
}
|
||
|
||
return this.pdfPage.getXfa().then(xfaHtml => {
|
||
if (this._cancelled || !xfaHtml) {
|
||
return {
|
||
textDivs: []
|
||
};
|
||
}
|
||
|
||
const parameters = {
|
||
viewport: viewport.clone({
|
||
dontFlip: true
|
||
}),
|
||
div: this.div,
|
||
xfaHtml,
|
||
annotationStorage: this.annotationStorage,
|
||
linkService: this.linkService,
|
||
intent
|
||
};
|
||
|
||
if (this.div) {
|
||
return _pdfjsLib.XfaLayer.update(parameters);
|
||
}
|
||
|
||
this.div = document.createElement("div");
|
||
this.pageDiv.appendChild(this.div);
|
||
parameters.div = this.div;
|
||
return _pdfjsLib.XfaLayer.render(parameters);
|
||
}).catch(error => {
|
||
console.error(error);
|
||
});
|
||
}
|
||
|
||
cancel() {
|
||
this._cancelled = true;
|
||
}
|
||
|
||
hide() {
|
||
if (!this.div) {
|
||
return;
|
||
}
|
||
|
||
this.div.hidden = true;
|
||
}
|
||
|
||
}
|
||
|
||
exports.XfaLayerBuilder = XfaLayerBuilder;
|
||
|
||
/***/ }),
|
||
/* 10 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PDFViewer = exports.PDFSinglePageViewer = void 0;
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _base_viewer = __w_pdfjs_require__(11);
|
||
|
||
class PDFViewer extends _base_viewer.BaseViewer {}
|
||
|
||
exports.PDFViewer = PDFViewer;
|
||
|
||
class PDFSinglePageViewer extends _base_viewer.BaseViewer {
|
||
_resetView() {
|
||
super._resetView();
|
||
|
||
this._scrollMode = _ui_utils.ScrollMode.PAGE;
|
||
this._spreadMode = _ui_utils.SpreadMode.NONE;
|
||
}
|
||
|
||
set scrollMode(mode) {}
|
||
|
||
_updateScrollMode() {}
|
||
|
||
set spreadMode(mode) {}
|
||
|
||
_updateSpreadMode() {}
|
||
|
||
}
|
||
|
||
exports.PDFSinglePageViewer = PDFSinglePageViewer;
|
||
|
||
/***/ }),
|
||
/* 11 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PagesCountLimit = exports.PDFPageViewBuffer = exports.BaseViewer = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _annotation_layer_builder = __w_pdfjs_require__(2);
|
||
|
||
var _l10n_utils = __w_pdfjs_require__(4);
|
||
|
||
var _pdf_page_view = __w_pdfjs_require__(12);
|
||
|
||
var _pdf_rendering_queue = __w_pdfjs_require__(14);
|
||
|
||
var _pdf_link_service = __w_pdfjs_require__(5);
|
||
|
||
var _struct_tree_layer_builder = __w_pdfjs_require__(7);
|
||
|
||
var _text_highlighter = __w_pdfjs_require__(15);
|
||
|
||
var _text_layer_builder = __w_pdfjs_require__(8);
|
||
|
||
var _xfa_layer_builder = __w_pdfjs_require__(9);
|
||
|
||
const DEFAULT_CACHE_SIZE = 10;
|
||
const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
|
||
const PagesCountLimit = {
|
||
FORCE_SCROLL_MODE_PAGE: 15000,
|
||
FORCE_LAZY_PAGE_INIT: 7500,
|
||
PAUSE_EAGER_PAGE_INIT: 250
|
||
};
|
||
exports.PagesCountLimit = PagesCountLimit;
|
||
|
||
class PDFPageViewBuffer {
|
||
#buf = new Set();
|
||
#size = 0;
|
||
|
||
constructor(size) {
|
||
this.#size = size;
|
||
}
|
||
|
||
push(view) {
|
||
const buf = this.#buf;
|
||
|
||
if (buf.has(view)) {
|
||
buf.delete(view);
|
||
}
|
||
|
||
buf.add(view);
|
||
|
||
if (buf.size > this.#size) {
|
||
this.#destroyFirstView();
|
||
}
|
||
}
|
||
|
||
resize(newSize, idsToKeep = null) {
|
||
this.#size = newSize;
|
||
const buf = this.#buf;
|
||
|
||
if (idsToKeep) {
|
||
const ii = buf.size;
|
||
let i = 1;
|
||
|
||
for (const view of buf) {
|
||
if (idsToKeep.has(view.id)) {
|
||
buf.delete(view);
|
||
buf.add(view);
|
||
}
|
||
|
||
if (++i > ii) {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
while (buf.size > this.#size) {
|
||
this.#destroyFirstView();
|
||
}
|
||
}
|
||
|
||
has(view) {
|
||
return this.#buf.has(view);
|
||
}
|
||
|
||
[Symbol.iterator]() {
|
||
return this.#buf.keys();
|
||
}
|
||
|
||
#destroyFirstView() {
|
||
const firstView = this.#buf.keys().next().value;
|
||
firstView?.destroy();
|
||
this.#buf.delete(firstView);
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFPageViewBuffer = PDFPageViewBuffer;
|
||
|
||
class BaseViewer {
|
||
#buffer = null;
|
||
#annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
|
||
#previousAnnotationMode = null;
|
||
#enablePermissions = false;
|
||
#previousContainerHeight = 0;
|
||
#scrollModePageState = null;
|
||
#onVisibilityChange = null;
|
||
|
||
constructor(options) {
|
||
if (this.constructor === BaseViewer) {
|
||
throw new Error("Cannot initialize BaseViewer.");
|
||
}
|
||
|
||
const viewerVersion = '2.14.305';
|
||
|
||
if (_pdfjsLib.version !== viewerVersion) {
|
||
throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`);
|
||
}
|
||
|
||
this.container = options.container;
|
||
this.viewer = options.viewer || options.container.firstElementChild;
|
||
|
||
if (!(this.container?.tagName.toUpperCase() === "DIV" && this.viewer?.tagName.toUpperCase() === "DIV")) {
|
||
throw new Error("Invalid `container` and/or `viewer` option.");
|
||
}
|
||
|
||
if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
|
||
throw new Error("The `container` must be absolutely positioned.");
|
||
}
|
||
|
||
this.eventBus = options.eventBus;
|
||
this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
|
||
this.downloadManager = options.downloadManager || null;
|
||
this.findController = options.findController || null;
|
||
this._scriptingManager = options.scriptingManager || null;
|
||
this.removePageBorders = options.removePageBorders || false;
|
||
this.textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
|
||
this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
|
||
this.imageResourcesPath = options.imageResourcesPath || "";
|
||
this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
|
||
this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
|
||
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
|
||
this.maxCanvasPixels = options.maxCanvasPixels;
|
||
this.l10n = options.l10n || _l10n_utils.NullL10n;
|
||
this.#enablePermissions = options.enablePermissions || false;
|
||
this.pageColors = options.pageColors || null;
|
||
|
||
if (options.pageColors && (!CSS.supports("color", options.pageColors.background) || !CSS.supports("color", options.pageColors.foreground))) {
|
||
if (options.pageColors.background || options.pageColors.foreground) {
|
||
console.warn("Ignoring `pageColors`-option, since the browser doesn't support the values used.");
|
||
}
|
||
|
||
this.pageColors = null;
|
||
}
|
||
|
||
this.defaultRenderingQueue = !options.renderingQueue;
|
||
|
||
if (this.defaultRenderingQueue) {
|
||
this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
|
||
this.renderingQueue.setViewer(this);
|
||
} else {
|
||
this.renderingQueue = options.renderingQueue;
|
||
}
|
||
|
||
this._doc = document.documentElement;
|
||
this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
|
||
this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
|
||
this._onBeforeDraw = this._onAfterDraw = null;
|
||
|
||
this._resetView();
|
||
|
||
if (this.removePageBorders) {
|
||
this.viewer.classList.add("removePageBorders");
|
||
}
|
||
|
||
this.updateContainerHeightCss();
|
||
Promise.resolve().then(() => {
|
||
this.eventBus.dispatch("baseviewerinit", {
|
||
source: this
|
||
});
|
||
});
|
||
}
|
||
|
||
get pagesCount() {
|
||
return this._pages.length;
|
||
}
|
||
|
||
getPageView(index) {
|
||
return this._pages[index];
|
||
}
|
||
|
||
get pageViewsReady() {
|
||
if (!this._pagesCapability.settled) {
|
||
return false;
|
||
}
|
||
|
||
return this._pages.every(function (pageView) {
|
||
return pageView?.pdfPage;
|
||
});
|
||
}
|
||
|
||
get renderForms() {
|
||
return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS;
|
||
}
|
||
|
||
get enableScripting() {
|
||
return !!this._scriptingManager;
|
||
}
|
||
|
||
get currentPageNumber() {
|
||
return this._currentPageNumber;
|
||
}
|
||
|
||
set currentPageNumber(val) {
|
||
if (!Number.isInteger(val)) {
|
||
throw new Error("Invalid page number.");
|
||
}
|
||
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
if (!this._setCurrentPageNumber(val, true)) {
|
||
console.error(`currentPageNumber: "${val}" is not a valid page.`);
|
||
}
|
||
}
|
||
|
||
_setCurrentPageNumber(val, resetCurrentPageView = false) {
|
||
if (this._currentPageNumber === val) {
|
||
if (resetCurrentPageView) {
|
||
this.#resetCurrentPageView();
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
if (!(0 < val && val <= this.pagesCount)) {
|
||
return false;
|
||
}
|
||
|
||
const previous = this._currentPageNumber;
|
||
this._currentPageNumber = val;
|
||
this.eventBus.dispatch("pagechanging", {
|
||
source: this,
|
||
pageNumber: val,
|
||
pageLabel: this._pageLabels?.[val - 1] ?? null,
|
||
previous
|
||
});
|
||
|
||
if (resetCurrentPageView) {
|
||
this.#resetCurrentPageView();
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
get currentPageLabel() {
|
||
return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
|
||
}
|
||
|
||
set currentPageLabel(val) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
let page = val | 0;
|
||
|
||
if (this._pageLabels) {
|
||
const i = this._pageLabels.indexOf(val);
|
||
|
||
if (i >= 0) {
|
||
page = i + 1;
|
||
}
|
||
}
|
||
|
||
if (!this._setCurrentPageNumber(page, true)) {
|
||
console.error(`currentPageLabel: "${val}" is not a valid page.`);
|
||
}
|
||
}
|
||
|
||
get currentScale() {
|
||
return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
|
||
}
|
||
|
||
set currentScale(val) {
|
||
if (isNaN(val)) {
|
||
throw new Error("Invalid numeric scale.");
|
||
}
|
||
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
this._setScale(val, false);
|
||
}
|
||
|
||
get currentScaleValue() {
|
||
return this._currentScaleValue;
|
||
}
|
||
|
||
set currentScaleValue(val) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
this._setScale(val, false);
|
||
}
|
||
|
||
get pagesRotation() {
|
||
return this._pagesRotation;
|
||
}
|
||
|
||
set pagesRotation(rotation) {
|
||
if (!(0, _ui_utils.isValidRotation)(rotation)) {
|
||
throw new Error("Invalid pages rotation angle.");
|
||
}
|
||
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
rotation %= 360;
|
||
|
||
if (rotation < 0) {
|
||
rotation += 360;
|
||
}
|
||
|
||
if (this._pagesRotation === rotation) {
|
||
return;
|
||
}
|
||
|
||
this._pagesRotation = rotation;
|
||
const pageNumber = this._currentPageNumber;
|
||
const updateArgs = {
|
||
rotation
|
||
};
|
||
|
||
for (const pageView of this._pages) {
|
||
pageView.update(updateArgs);
|
||
}
|
||
|
||
if (this._currentScaleValue) {
|
||
this._setScale(this._currentScaleValue, true);
|
||
}
|
||
|
||
this.eventBus.dispatch("rotationchanging", {
|
||
source: this,
|
||
pagesRotation: rotation,
|
||
pageNumber
|
||
});
|
||
|
||
if (this.defaultRenderingQueue) {
|
||
this.update();
|
||
}
|
||
}
|
||
|
||
get firstPagePromise() {
|
||
return this.pdfDocument ? this._firstPageCapability.promise : null;
|
||
}
|
||
|
||
get onePageRendered() {
|
||
return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
|
||
}
|
||
|
||
get pagesPromise() {
|
||
return this.pdfDocument ? this._pagesCapability.promise : null;
|
||
}
|
||
|
||
#initializePermissions(permissions) {
|
||
if (!permissions) {
|
||
return;
|
||
}
|
||
|
||
if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
|
||
this.viewer.classList.add(ENABLE_PERMISSIONS_CLASS);
|
||
}
|
||
|
||
if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS)) {
|
||
if (this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS) {
|
||
this.#previousAnnotationMode = this.#annotationMode;
|
||
this.#annotationMode = _pdfjsLib.AnnotationMode.ENABLE;
|
||
}
|
||
}
|
||
}
|
||
|
||
#onePageRenderedOrForceFetch() {
|
||
if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) {
|
||
return Promise.resolve();
|
||
}
|
||
|
||
const visibilityChangePromise = new Promise(resolve => {
|
||
this.#onVisibilityChange = () => {
|
||
if (document.visibilityState !== "hidden") {
|
||
return;
|
||
}
|
||
|
||
resolve();
|
||
document.removeEventListener("visibilitychange", this.#onVisibilityChange);
|
||
this.#onVisibilityChange = null;
|
||
};
|
||
|
||
document.addEventListener("visibilitychange", this.#onVisibilityChange);
|
||
});
|
||
return Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]);
|
||
}
|
||
|
||
setDocument(pdfDocument) {
|
||
if (this.pdfDocument) {
|
||
this.eventBus.dispatch("pagesdestroy", {
|
||
source: this
|
||
});
|
||
|
||
this._cancelRendering();
|
||
|
||
this._resetView();
|
||
|
||
if (this.findController) {
|
||
this.findController.setDocument(null);
|
||
}
|
||
|
||
if (this._scriptingManager) {
|
||
this._scriptingManager.setDocument(null);
|
||
}
|
||
}
|
||
|
||
this.pdfDocument = pdfDocument;
|
||
|
||
if (!pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
const isPureXfa = pdfDocument.isPureXfa;
|
||
const pagesCount = pdfDocument.numPages;
|
||
const firstPagePromise = pdfDocument.getPage(1);
|
||
const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
|
||
const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve();
|
||
|
||
if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
|
||
console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document.");
|
||
const mode = this._scrollMode = _ui_utils.ScrollMode.PAGE;
|
||
this.eventBus.dispatch("scrollmodechanged", {
|
||
source: this,
|
||
mode
|
||
});
|
||
}
|
||
|
||
this._pagesCapability.promise.then(() => {
|
||
this.eventBus.dispatch("pagesloaded", {
|
||
source: this,
|
||
pagesCount
|
||
});
|
||
}, () => {});
|
||
|
||
this._onBeforeDraw = evt => {
|
||
const pageView = this._pages[evt.pageNumber - 1];
|
||
|
||
if (!pageView) {
|
||
return;
|
||
}
|
||
|
||
this.#buffer.push(pageView);
|
||
};
|
||
|
||
this.eventBus._on("pagerender", this._onBeforeDraw);
|
||
|
||
this._onAfterDraw = evt => {
|
||
if (evt.cssTransform || this._onePageRenderedCapability.settled) {
|
||
return;
|
||
}
|
||
|
||
this._onePageRenderedCapability.resolve({
|
||
timestamp: evt.timestamp
|
||
});
|
||
|
||
this.eventBus._off("pagerendered", this._onAfterDraw);
|
||
|
||
this._onAfterDraw = null;
|
||
|
||
if (this.#onVisibilityChange) {
|
||
document.removeEventListener("visibilitychange", this.#onVisibilityChange);
|
||
this.#onVisibilityChange = null;
|
||
}
|
||
};
|
||
|
||
this.eventBus._on("pagerendered", this._onAfterDraw);
|
||
|
||
Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => {
|
||
if (pdfDocument !== this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
this._firstPageCapability.resolve(firstPdfPage);
|
||
|
||
this._optionalContentConfigPromise = optionalContentConfigPromise;
|
||
this.#initializePermissions(permissions);
|
||
const viewerElement = this._scrollMode === _ui_utils.ScrollMode.PAGE ? null : this.viewer;
|
||
const scale = this.currentScale;
|
||
const viewport = firstPdfPage.getViewport({
|
||
scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
|
||
});
|
||
const textLayerFactory = this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && !isPureXfa ? this : null;
|
||
const annotationLayerFactory = this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE ? this : null;
|
||
const xfaLayerFactory = isPureXfa ? this : null;
|
||
|
||
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
|
||
const pageView = new _pdf_page_view.PDFPageView({
|
||
container: viewerElement,
|
||
eventBus: this.eventBus,
|
||
id: pageNum,
|
||
scale,
|
||
defaultViewport: viewport.clone(),
|
||
optionalContentConfigPromise,
|
||
renderingQueue: this.renderingQueue,
|
||
textLayerFactory,
|
||
textLayerMode: this.textLayerMode,
|
||
annotationLayerFactory,
|
||
annotationMode: this.#annotationMode,
|
||
xfaLayerFactory,
|
||
textHighlighterFactory: this,
|
||
structTreeLayerFactory: this,
|
||
imageResourcesPath: this.imageResourcesPath,
|
||
renderer: this.renderer,
|
||
useOnlyCssZoom: this.useOnlyCssZoom,
|
||
maxCanvasPixels: this.maxCanvasPixels,
|
||
pageColors: this.pageColors,
|
||
l10n: this.l10n
|
||
});
|
||
|
||
this._pages.push(pageView);
|
||
}
|
||
|
||
const firstPageView = this._pages[0];
|
||
|
||
if (firstPageView) {
|
||
firstPageView.setPdfPage(firstPdfPage);
|
||
this.linkService.cachePageRef(1, firstPdfPage.ref);
|
||
}
|
||
|
||
if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
|
||
this.#ensurePageViewVisible();
|
||
} else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
|
||
this._updateSpreadMode();
|
||
}
|
||
|
||
this.#onePageRenderedOrForceFetch().then(async () => {
|
||
if (this.findController) {
|
||
this.findController.setDocument(pdfDocument);
|
||
}
|
||
|
||
if (this._scriptingManager) {
|
||
this._scriptingManager.setDocument(pdfDocument);
|
||
}
|
||
|
||
if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) {
|
||
this._pagesCapability.resolve();
|
||
|
||
return;
|
||
}
|
||
|
||
let getPagesLeft = pagesCount - 1;
|
||
|
||
if (getPagesLeft <= 0) {
|
||
this._pagesCapability.resolve();
|
||
|
||
return;
|
||
}
|
||
|
||
for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
|
||
const promise = pdfDocument.getPage(pageNum).then(pdfPage => {
|
||
const pageView = this._pages[pageNum - 1];
|
||
|
||
if (!pageView.pdfPage) {
|
||
pageView.setPdfPage(pdfPage);
|
||
}
|
||
|
||
this.linkService.cachePageRef(pageNum, pdfPage.ref);
|
||
|
||
if (--getPagesLeft === 0) {
|
||
this._pagesCapability.resolve();
|
||
}
|
||
}, reason => {
|
||
console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
|
||
|
||
if (--getPagesLeft === 0) {
|
||
this._pagesCapability.resolve();
|
||
}
|
||
});
|
||
|
||
if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
|
||
await promise;
|
||
}
|
||
}
|
||
});
|
||
this.eventBus.dispatch("pagesinit", {
|
||
source: this
|
||
});
|
||
pdfDocument.getMetadata().then(({
|
||
info
|
||
}) => {
|
||
if (pdfDocument !== this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
if (info.Language) {
|
||
this.viewer.lang = info.Language;
|
||
}
|
||
});
|
||
|
||
if (this.defaultRenderingQueue) {
|
||
this.update();
|
||
}
|
||
}).catch(reason => {
|
||
console.error("Unable to initialize viewer", reason);
|
||
|
||
this._pagesCapability.reject(reason);
|
||
});
|
||
}
|
||
|
||
setPageLabels(labels) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
if (!labels) {
|
||
this._pageLabels = null;
|
||
} else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
|
||
this._pageLabels = null;
|
||
console.error(`setPageLabels: Invalid page labels.`);
|
||
} else {
|
||
this._pageLabels = labels;
|
||
}
|
||
|
||
for (let i = 0, ii = this._pages.length; i < ii; i++) {
|
||
this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
|
||
}
|
||
}
|
||
|
||
_resetView() {
|
||
this._pages = [];
|
||
this._currentPageNumber = 1;
|
||
this._currentScale = _ui_utils.UNKNOWN_SCALE;
|
||
this._currentScaleValue = null;
|
||
this._pageLabels = null;
|
||
this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
|
||
this._location = null;
|
||
this._pagesRotation = 0;
|
||
this._optionalContentConfigPromise = null;
|
||
this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
|
||
this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN;
|
||
this._spreadMode = _ui_utils.SpreadMode.NONE;
|
||
this.#scrollModePageState = {
|
||
previousPageNumber: 1,
|
||
scrollDown: true,
|
||
pages: []
|
||
};
|
||
|
||
if (this._onBeforeDraw) {
|
||
this.eventBus._off("pagerender", this._onBeforeDraw);
|
||
|
||
this._onBeforeDraw = null;
|
||
}
|
||
|
||
if (this._onAfterDraw) {
|
||
this.eventBus._off("pagerendered", this._onAfterDraw);
|
||
|
||
this._onAfterDraw = null;
|
||
}
|
||
|
||
if (this.#onVisibilityChange) {
|
||
document.removeEventListener("visibilitychange", this.#onVisibilityChange);
|
||
this.#onVisibilityChange = null;
|
||
}
|
||
|
||
this.viewer.textContent = "";
|
||
|
||
this._updateScrollMode();
|
||
|
||
this.viewer.removeAttribute("lang");
|
||
this.viewer.classList.remove(ENABLE_PERMISSIONS_CLASS);
|
||
|
||
if (this.#previousAnnotationMode !== null) {
|
||
this.#annotationMode = this.#previousAnnotationMode;
|
||
this.#previousAnnotationMode = null;
|
||
}
|
||
}
|
||
|
||
#ensurePageViewVisible() {
|
||
if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) {
|
||
throw new Error("#ensurePageViewVisible: Invalid scrollMode value.");
|
||
}
|
||
|
||
const pageNumber = this._currentPageNumber,
|
||
state = this.#scrollModePageState,
|
||
viewer = this.viewer;
|
||
viewer.textContent = "";
|
||
state.pages.length = 0;
|
||
|
||
if (this._spreadMode === _ui_utils.SpreadMode.NONE && !this.isInPresentationMode) {
|
||
const pageView = this._pages[pageNumber - 1];
|
||
viewer.appendChild(pageView.div);
|
||
state.pages.push(pageView);
|
||
} else {
|
||
const pageIndexSet = new Set(),
|
||
parity = this._spreadMode - 1;
|
||
|
||
if (parity === -1) {
|
||
pageIndexSet.add(pageNumber - 1);
|
||
} else if (pageNumber % 2 !== parity) {
|
||
pageIndexSet.add(pageNumber - 1);
|
||
pageIndexSet.add(pageNumber);
|
||
} else {
|
||
pageIndexSet.add(pageNumber - 2);
|
||
pageIndexSet.add(pageNumber - 1);
|
||
}
|
||
|
||
const spread = document.createElement("div");
|
||
spread.className = "spread";
|
||
|
||
if (this.isInPresentationMode) {
|
||
const dummyPage = document.createElement("div");
|
||
dummyPage.className = "dummyPage";
|
||
spread.appendChild(dummyPage);
|
||
}
|
||
|
||
for (const i of pageIndexSet) {
|
||
const pageView = this._pages[i];
|
||
|
||
if (!pageView) {
|
||
continue;
|
||
}
|
||
|
||
spread.appendChild(pageView.div);
|
||
state.pages.push(pageView);
|
||
}
|
||
|
||
viewer.appendChild(spread);
|
||
}
|
||
|
||
state.scrollDown = pageNumber >= state.previousPageNumber;
|
||
state.previousPageNumber = pageNumber;
|
||
}
|
||
|
||
_scrollUpdate() {
|
||
if (this.pagesCount === 0) {
|
||
return;
|
||
}
|
||
|
||
this.update();
|
||
}
|
||
|
||
#scrollIntoView(pageView, pageSpot = null) {
|
||
const {
|
||
div,
|
||
id
|
||
} = pageView;
|
||
|
||
if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
|
||
this._setCurrentPageNumber(id);
|
||
|
||
this.#ensurePageViewVisible();
|
||
this.update();
|
||
}
|
||
|
||
if (!pageSpot && !this.isInPresentationMode) {
|
||
const left = div.offsetLeft + div.clientLeft,
|
||
right = left + div.clientWidth;
|
||
const {
|
||
scrollLeft,
|
||
clientWidth
|
||
} = this.container;
|
||
|
||
if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
|
||
pageSpot = {
|
||
left: 0,
|
||
top: 0
|
||
};
|
||
}
|
||
}
|
||
|
||
(0, _ui_utils.scrollIntoView)(div, pageSpot);
|
||
}
|
||
|
||
#isSameScale(newScale) {
|
||
return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15;
|
||
}
|
||
|
||
_setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
|
||
this._currentScaleValue = newValue.toString();
|
||
|
||
if (this.#isSameScale(newScale)) {
|
||
if (preset) {
|
||
this.eventBus.dispatch("scalechanging", {
|
||
source: this,
|
||
scale: newScale,
|
||
presetValue: newValue
|
||
});
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
this._doc.style.setProperty("--zoom-factor", newScale);
|
||
|
||
const updateArgs = {
|
||
scale: newScale
|
||
};
|
||
|
||
for (const pageView of this._pages) {
|
||
pageView.update(updateArgs);
|
||
}
|
||
|
||
this._currentScale = newScale;
|
||
|
||
if (!noScroll) {
|
||
let page = this._currentPageNumber,
|
||
dest;
|
||
|
||
if (this._location && !(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.eventBus.dispatch("scalechanging", {
|
||
source: this,
|
||
scale: newScale,
|
||
presetValue: preset ? newValue : undefined
|
||
});
|
||
|
||
if (this.defaultRenderingQueue) {
|
||
this.update();
|
||
}
|
||
|
||
this.updateContainerHeightCss();
|
||
}
|
||
|
||
get _pageWidthScaleFactor() {
|
||
if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL) {
|
||
return 2;
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
_setScale(value, noScroll = false) {
|
||
let scale = parseFloat(value);
|
||
|
||
if (scale > 0) {
|
||
this._setScaleUpdatePages(scale, value, noScroll, false);
|
||
} else {
|
||
const currentPage = this._pages[this._currentPageNumber - 1];
|
||
|
||
if (!currentPage) {
|
||
return;
|
||
}
|
||
|
||
let hPadding = _ui_utils.SCROLLBAR_PADDING,
|
||
vPadding = _ui_utils.VERTICAL_PADDING;
|
||
|
||
if (this.isInPresentationMode) {
|
||
hPadding = vPadding = 4;
|
||
} else if (this.removePageBorders) {
|
||
hPadding = vPadding = 0;
|
||
} else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) {
|
||
[hPadding, vPadding] = [vPadding, hPadding];
|
||
}
|
||
|
||
const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this._pageWidthScaleFactor;
|
||
const 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":
|
||
const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
|
||
scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
|
||
break;
|
||
|
||
default:
|
||
console.error(`_setScale: "${value}" is an unknown zoom value.`);
|
||
return;
|
||
}
|
||
|
||
this._setScaleUpdatePages(scale, value, noScroll, true);
|
||
}
|
||
}
|
||
|
||
#resetCurrentPageView() {
|
||
const pageView = this._pages[this._currentPageNumber - 1];
|
||
|
||
if (this.isInPresentationMode) {
|
||
this._setScale(this._currentScaleValue, true);
|
||
}
|
||
|
||
this.#scrollIntoView(pageView);
|
||
}
|
||
|
||
pageLabelToPageNumber(label) {
|
||
if (!this._pageLabels) {
|
||
return null;
|
||
}
|
||
|
||
const i = this._pageLabels.indexOf(label);
|
||
|
||
if (i < 0) {
|
||
return null;
|
||
}
|
||
|
||
return i + 1;
|
||
}
|
||
|
||
scrollPageIntoView({
|
||
pageNumber,
|
||
destArray = null,
|
||
allowNegativeOffset = false,
|
||
ignoreDestinationZoom = false
|
||
}) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
|
||
|
||
if (!pageView) {
|
||
console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`);
|
||
return;
|
||
}
|
||
|
||
if (this.isInPresentationMode || !destArray) {
|
||
this._setCurrentPageNumber(pageNumber, true);
|
||
|
||
return;
|
||
}
|
||
|
||
let x = 0,
|
||
y = 0;
|
||
let width = 0,
|
||
height = 0,
|
||
widthScale,
|
||
heightScale;
|
||
const changeOrientation = pageView.rotation % 180 !== 0;
|
||
const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
|
||
const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
|
||
let scale = 0;
|
||
|
||
switch (destArray[1].name) {
|
||
case "XYZ":
|
||
x = destArray[2];
|
||
y = destArray[3];
|
||
scale = destArray[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 = destArray[2];
|
||
scale = "page-width";
|
||
|
||
if (y === null && this._location) {
|
||
x = this._location.left;
|
||
y = this._location.top;
|
||
} else if (typeof y !== "number" || y < 0) {
|
||
y = pageHeight;
|
||
}
|
||
|
||
break;
|
||
|
||
case "FitV":
|
||
case "FitBV":
|
||
x = destArray[2];
|
||
width = pageWidth;
|
||
height = pageHeight;
|
||
scale = "page-height";
|
||
break;
|
||
|
||
case "FitR":
|
||
x = destArray[2];
|
||
y = destArray[3];
|
||
width = destArray[4] - x;
|
||
height = destArray[5] - y;
|
||
const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
|
||
const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
|
||
widthScale = (this.container.clientWidth - hPadding) / width / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
|
||
heightScale = (this.container.clientHeight - vPadding) / height / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
|
||
scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
|
||
break;
|
||
|
||
default:
|
||
console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`);
|
||
return;
|
||
}
|
||
|
||
if (!ignoreDestinationZoom) {
|
||
if (scale && scale !== this._currentScale) {
|
||
this.currentScaleValue = scale;
|
||
} else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
|
||
this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
|
||
}
|
||
}
|
||
|
||
if (scale === "page-fit" && !destArray[4]) {
|
||
this.#scrollIntoView(pageView);
|
||
return;
|
||
}
|
||
|
||
const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
|
||
let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
|
||
let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
|
||
|
||
if (!allowNegativeOffset) {
|
||
left = Math.max(left, 0);
|
||
top = Math.max(top, 0);
|
||
}
|
||
|
||
this.#scrollIntoView(pageView, {
|
||
left,
|
||
top
|
||
});
|
||
}
|
||
|
||
_updateLocation(firstPage) {
|
||
const currentScale = this._currentScale;
|
||
const currentScaleValue = this._currentScaleValue;
|
||
const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
|
||
const pageNumber = firstPage.id;
|
||
const currentPageView = this._pages[pageNumber - 1];
|
||
const container = this.container;
|
||
const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
|
||
const intLeft = Math.round(topLeft[0]);
|
||
const intTop = Math.round(topLeft[1]);
|
||
let pdfOpenParams = `#page=${pageNumber}`;
|
||
|
||
if (!this.isInPresentationMode) {
|
||
pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
|
||
}
|
||
|
||
this._location = {
|
||
pageNumber,
|
||
scale: normalizedScaleValue,
|
||
top: intTop,
|
||
left: intLeft,
|
||
rotation: this._pagesRotation,
|
||
pdfOpenParams
|
||
};
|
||
}
|
||
|
||
update() {
|
||
const visible = this._getVisiblePages();
|
||
|
||
const visiblePages = visible.views,
|
||
numVisiblePages = visiblePages.length;
|
||
|
||
if (numVisiblePages === 0) {
|
||
return;
|
||
}
|
||
|
||
const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
|
||
this.#buffer.resize(newCacheSize, visible.ids);
|
||
this.renderingQueue.renderHighestPriority(visible);
|
||
const isSimpleLayout = this._spreadMode === _ui_utils.SpreadMode.NONE && (this._scrollMode === _ui_utils.ScrollMode.PAGE || this._scrollMode === _ui_utils.ScrollMode.VERTICAL);
|
||
const currentId = this._currentPageNumber;
|
||
let stillFullyVisible = false;
|
||
|
||
for (const page of visiblePages) {
|
||
if (page.percent < 100) {
|
||
break;
|
||
}
|
||
|
||
if (page.id === currentId && isSimpleLayout) {
|
||
stillFullyVisible = true;
|
||
break;
|
||
}
|
||
}
|
||
|
||
this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id);
|
||
|
||
this._updateLocation(visible.first);
|
||
|
||
this.eventBus.dispatch("updateviewarea", {
|
||
source: this,
|
||
location: this._location
|
||
});
|
||
}
|
||
|
||
containsElement(element) {
|
||
return this.container.contains(element);
|
||
}
|
||
|
||
focus() {
|
||
this.container.focus();
|
||
}
|
||
|
||
get _isContainerRtl() {
|
||
return getComputedStyle(this.container).direction === "rtl";
|
||
}
|
||
|
||
get isInPresentationMode() {
|
||
return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
|
||
}
|
||
|
||
get isChangingPresentationMode() {
|
||
return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
|
||
}
|
||
|
||
get isHorizontalScrollbarEnabled() {
|
||
return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
|
||
}
|
||
|
||
get isVerticalScrollbarEnabled() {
|
||
return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
|
||
}
|
||
|
||
_getVisiblePages() {
|
||
const views = this._scrollMode === _ui_utils.ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages,
|
||
horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL,
|
||
rtl = horizontal && this._isContainerRtl;
|
||
return (0, _ui_utils.getVisibleElements)({
|
||
scrollEl: this.container,
|
||
views,
|
||
sortByVisibility: true,
|
||
horizontal,
|
||
rtl
|
||
});
|
||
}
|
||
|
||
isPageVisible(pageNumber) {
|
||
if (!this.pdfDocument) {
|
||
return false;
|
||
}
|
||
|
||
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
|
||
console.error(`isPageVisible: "${pageNumber}" is not a valid page.`);
|
||
return false;
|
||
}
|
||
|
||
return this._getVisiblePages().ids.has(pageNumber);
|
||
}
|
||
|
||
isPageCached(pageNumber) {
|
||
if (!this.pdfDocument) {
|
||
return false;
|
||
}
|
||
|
||
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
|
||
console.error(`isPageCached: "${pageNumber}" is not a valid page.`);
|
||
return false;
|
||
}
|
||
|
||
const pageView = this._pages[pageNumber - 1];
|
||
return this.#buffer.has(pageView);
|
||
}
|
||
|
||
cleanup() {
|
||
for (const pageView of this._pages) {
|
||
if (pageView.renderingState !== _ui_utils.RenderingStates.FINISHED) {
|
||
pageView.reset();
|
||
}
|
||
}
|
||
}
|
||
|
||
_cancelRendering() {
|
||
for (const pageView of this._pages) {
|
||
pageView.cancelRendering();
|
||
}
|
||
}
|
||
|
||
async #ensurePdfPageLoaded(pageView) {
|
||
if (pageView.pdfPage) {
|
||
return pageView.pdfPage;
|
||
}
|
||
|
||
try {
|
||
const pdfPage = await this.pdfDocument.getPage(pageView.id);
|
||
|
||
if (!pageView.pdfPage) {
|
||
pageView.setPdfPage(pdfPage);
|
||
}
|
||
|
||
if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) {
|
||
this.linkService.cachePageRef(pageView.id, pdfPage.ref);
|
||
}
|
||
|
||
return pdfPage;
|
||
} catch (reason) {
|
||
console.error("Unable to get page for page view", reason);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
#getScrollAhead(visible) {
|
||
if (visible.first?.id === 1) {
|
||
return true;
|
||
} else if (visible.last?.id === this.pagesCount) {
|
||
return false;
|
||
}
|
||
|
||
switch (this._scrollMode) {
|
||
case _ui_utils.ScrollMode.PAGE:
|
||
return this.#scrollModePageState.scrollDown;
|
||
|
||
case _ui_utils.ScrollMode.HORIZONTAL:
|
||
return this.scroll.right;
|
||
}
|
||
|
||
return this.scroll.down;
|
||
}
|
||
|
||
#toggleLoadingIconSpinner(visibleIds) {
|
||
for (const id of visibleIds) {
|
||
const pageView = this._pages[id - 1];
|
||
pageView?.toggleLoadingIconSpinner(true);
|
||
}
|
||
|
||
for (const pageView of this.#buffer) {
|
||
if (visibleIds.has(pageView.id)) {
|
||
continue;
|
||
}
|
||
|
||
pageView.toggleLoadingIconSpinner(false);
|
||
}
|
||
}
|
||
|
||
forceRendering(currentlyVisiblePages) {
|
||
const visiblePages = currentlyVisiblePages || this._getVisiblePages();
|
||
|
||
const scrollAhead = this.#getScrollAhead(visiblePages);
|
||
const preRenderExtra = this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL;
|
||
const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra);
|
||
this.#toggleLoadingIconSpinner(visiblePages.ids);
|
||
|
||
if (pageView) {
|
||
this.#ensurePdfPageLoaded(pageView).then(() => {
|
||
this.renderingQueue.renderView(pageView);
|
||
});
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus, highlighter) {
|
||
return new _text_layer_builder.TextLayerBuilder({
|
||
textLayerDiv,
|
||
eventBus,
|
||
pageIndex,
|
||
viewport,
|
||
enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection,
|
||
highlighter
|
||
});
|
||
}
|
||
|
||
createTextHighlighter(pageIndex, eventBus) {
|
||
return new _text_highlighter.TextHighlighter({
|
||
eventBus,
|
||
pageIndex,
|
||
findController: this.isInPresentationMode ? null : this.findController
|
||
});
|
||
}
|
||
|
||
createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderForms = true, l10n = _l10n_utils.NullL10n, enableScripting = null, hasJSActionsPromise = null, mouseState = null, fieldObjectsPromise = null, annotationCanvasMap = null) {
|
||
return new _annotation_layer_builder.AnnotationLayerBuilder({
|
||
pageDiv,
|
||
pdfPage,
|
||
annotationStorage: annotationStorage || this.pdfDocument?.annotationStorage,
|
||
imageResourcesPath,
|
||
renderForms,
|
||
linkService: this.linkService,
|
||
downloadManager: this.downloadManager,
|
||
l10n,
|
||
enableScripting: enableScripting ?? this.enableScripting,
|
||
hasJSActionsPromise: hasJSActionsPromise || this.pdfDocument?.hasJSActions(),
|
||
fieldObjectsPromise: fieldObjectsPromise || this.pdfDocument?.getFieldObjects(),
|
||
mouseState: mouseState || this._scriptingManager?.mouseState,
|
||
annotationCanvasMap
|
||
});
|
||
}
|
||
|
||
createXfaLayerBuilder(pageDiv, pdfPage, annotationStorage = null) {
|
||
return new _xfa_layer_builder.XfaLayerBuilder({
|
||
pageDiv,
|
||
pdfPage,
|
||
annotationStorage: annotationStorage || this.pdfDocument?.annotationStorage,
|
||
linkService: this.linkService
|
||
});
|
||
}
|
||
|
||
createStructTreeLayerBuilder(pdfPage) {
|
||
return new _struct_tree_layer_builder.StructTreeLayerBuilder({
|
||
pdfPage
|
||
});
|
||
}
|
||
|
||
get hasEqualPageSizes() {
|
||
const firstPageView = this._pages[0];
|
||
|
||
for (let i = 1, ii = this._pages.length; i < ii; ++i) {
|
||
const pageView = this._pages[i];
|
||
|
||
if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
getPagesOverview() {
|
||
return this._pages.map(pageView => {
|
||
const viewport = pageView.pdfPage.getViewport({
|
||
scale: 1
|
||
});
|
||
|
||
if (!this.enablePrintAutoRotate || (0, _ui_utils.isPortraitOrientation)(viewport)) {
|
||
return {
|
||
width: viewport.width,
|
||
height: viewport.height,
|
||
rotation: viewport.rotation
|
||
};
|
||
}
|
||
|
||
return {
|
||
width: viewport.height,
|
||
height: viewport.width,
|
||
rotation: (viewport.rotation - 90) % 360
|
||
};
|
||
});
|
||
}
|
||
|
||
get optionalContentConfigPromise() {
|
||
if (!this.pdfDocument) {
|
||
return Promise.resolve(null);
|
||
}
|
||
|
||
if (!this._optionalContentConfigPromise) {
|
||
return this.pdfDocument.getOptionalContentConfig();
|
||
}
|
||
|
||
return this._optionalContentConfigPromise;
|
||
}
|
||
|
||
set optionalContentConfigPromise(promise) {
|
||
if (!(promise instanceof Promise)) {
|
||
throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
|
||
}
|
||
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
if (!this._optionalContentConfigPromise) {
|
||
return;
|
||
}
|
||
|
||
this._optionalContentConfigPromise = promise;
|
||
const updateArgs = {
|
||
optionalContentConfigPromise: promise
|
||
};
|
||
|
||
for (const pageView of this._pages) {
|
||
pageView.update(updateArgs);
|
||
}
|
||
|
||
this.update();
|
||
this.eventBus.dispatch("optionalcontentconfigchanged", {
|
||
source: this,
|
||
promise
|
||
});
|
||
}
|
||
|
||
get scrollMode() {
|
||
return this._scrollMode;
|
||
}
|
||
|
||
set scrollMode(mode) {
|
||
if (this._scrollMode === mode) {
|
||
return;
|
||
}
|
||
|
||
if (!(0, _ui_utils.isValidScrollMode)(mode)) {
|
||
throw new Error(`Invalid scroll mode: ${mode}`);
|
||
}
|
||
|
||
if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
|
||
return;
|
||
}
|
||
|
||
this._previousScrollMode = this._scrollMode;
|
||
this._scrollMode = mode;
|
||
this.eventBus.dispatch("scrollmodechanged", {
|
||
source: this,
|
||
mode
|
||
});
|
||
|
||
this._updateScrollMode(this._currentPageNumber);
|
||
}
|
||
|
||
_updateScrollMode(pageNumber = null) {
|
||
const scrollMode = this._scrollMode,
|
||
viewer = this.viewer;
|
||
viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
|
||
viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
|
||
|
||
if (!this.pdfDocument || !pageNumber) {
|
||
return;
|
||
}
|
||
|
||
if (scrollMode === _ui_utils.ScrollMode.PAGE) {
|
||
this.#ensurePageViewVisible();
|
||
} else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) {
|
||
this._updateSpreadMode();
|
||
}
|
||
|
||
if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
|
||
this._setScale(this._currentScaleValue, true);
|
||
}
|
||
|
||
this._setCurrentPageNumber(pageNumber, true);
|
||
|
||
this.update();
|
||
}
|
||
|
||
get spreadMode() {
|
||
return this._spreadMode;
|
||
}
|
||
|
||
set spreadMode(mode) {
|
||
if (this._spreadMode === mode) {
|
||
return;
|
||
}
|
||
|
||
if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
|
||
throw new Error(`Invalid spread mode: ${mode}`);
|
||
}
|
||
|
||
this._spreadMode = mode;
|
||
this.eventBus.dispatch("spreadmodechanged", {
|
||
source: this,
|
||
mode
|
||
});
|
||
|
||
this._updateSpreadMode(this._currentPageNumber);
|
||
}
|
||
|
||
_updateSpreadMode(pageNumber = null) {
|
||
if (!this.pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
const viewer = this.viewer,
|
||
pages = this._pages;
|
||
|
||
if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
|
||
this.#ensurePageViewVisible();
|
||
} else {
|
||
viewer.textContent = "";
|
||
|
||
if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
|
||
for (const pageView of this._pages) {
|
||
viewer.appendChild(pageView.div);
|
||
}
|
||
} else {
|
||
const parity = this._spreadMode - 1;
|
||
let spread = null;
|
||
|
||
for (let i = 0, ii = pages.length; i < ii; ++i) {
|
||
if (spread === null) {
|
||
spread = document.createElement("div");
|
||
spread.className = "spread";
|
||
viewer.appendChild(spread);
|
||
} else if (i % 2 === parity) {
|
||
spread = spread.cloneNode(false);
|
||
viewer.appendChild(spread);
|
||
}
|
||
|
||
spread.appendChild(pages[i].div);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!pageNumber) {
|
||
return;
|
||
}
|
||
|
||
if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
|
||
this._setScale(this._currentScaleValue, true);
|
||
}
|
||
|
||
this._setCurrentPageNumber(pageNumber, true);
|
||
|
||
this.update();
|
||
}
|
||
|
||
_getPageAdvance(currentPageNumber, previous = false) {
|
||
switch (this._scrollMode) {
|
||
case _ui_utils.ScrollMode.WRAPPED:
|
||
{
|
||
const {
|
||
views
|
||
} = this._getVisiblePages(),
|
||
pageLayout = new Map();
|
||
|
||
for (const {
|
||
id,
|
||
y,
|
||
percent,
|
||
widthPercent
|
||
} of views) {
|
||
if (percent === 0 || widthPercent < 100) {
|
||
continue;
|
||
}
|
||
|
||
let yArray = pageLayout.get(y);
|
||
|
||
if (!yArray) {
|
||
pageLayout.set(y, yArray ||= []);
|
||
}
|
||
|
||
yArray.push(id);
|
||
}
|
||
|
||
for (const yArray of pageLayout.values()) {
|
||
const currentIndex = yArray.indexOf(currentPageNumber);
|
||
|
||
if (currentIndex === -1) {
|
||
continue;
|
||
}
|
||
|
||
const numPages = yArray.length;
|
||
|
||
if (numPages === 1) {
|
||
break;
|
||
}
|
||
|
||
if (previous) {
|
||
for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
|
||
const currentId = yArray[i],
|
||
expectedId = yArray[i + 1] - 1;
|
||
|
||
if (currentId < expectedId) {
|
||
return currentPageNumber - expectedId;
|
||
}
|
||
}
|
||
} else {
|
||
for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
|
||
const currentId = yArray[i],
|
||
expectedId = yArray[i - 1] + 1;
|
||
|
||
if (currentId > expectedId) {
|
||
return expectedId - currentPageNumber;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (previous) {
|
||
const firstId = yArray[0];
|
||
|
||
if (firstId < currentPageNumber) {
|
||
return currentPageNumber - firstId + 1;
|
||
}
|
||
} else {
|
||
const lastId = yArray[numPages - 1];
|
||
|
||
if (lastId > currentPageNumber) {
|
||
return lastId - currentPageNumber + 1;
|
||
}
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
case _ui_utils.ScrollMode.HORIZONTAL:
|
||
{
|
||
break;
|
||
}
|
||
|
||
case _ui_utils.ScrollMode.PAGE:
|
||
case _ui_utils.ScrollMode.VERTICAL:
|
||
{
|
||
if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
|
||
break;
|
||
}
|
||
|
||
const parity = this._spreadMode - 1;
|
||
|
||
if (previous && currentPageNumber % 2 !== parity) {
|
||
break;
|
||
} else if (!previous && currentPageNumber % 2 === parity) {
|
||
break;
|
||
}
|
||
|
||
const {
|
||
views
|
||
} = this._getVisiblePages(),
|
||
expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
|
||
|
||
for (const {
|
||
id,
|
||
percent,
|
||
widthPercent
|
||
} of views) {
|
||
if (id !== expectedId) {
|
||
continue;
|
||
}
|
||
|
||
if (percent > 0 && widthPercent === 100) {
|
||
return 2;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
break;
|
||
}
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
nextPage() {
|
||
const currentPageNumber = this._currentPageNumber,
|
||
pagesCount = this.pagesCount;
|
||
|
||
if (currentPageNumber >= pagesCount) {
|
||
return false;
|
||
}
|
||
|
||
const advance = this._getPageAdvance(currentPageNumber, false) || 1;
|
||
this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
|
||
return true;
|
||
}
|
||
|
||
previousPage() {
|
||
const currentPageNumber = this._currentPageNumber;
|
||
|
||
if (currentPageNumber <= 1) {
|
||
return false;
|
||
}
|
||
|
||
const advance = this._getPageAdvance(currentPageNumber, true) || 1;
|
||
this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
|
||
return true;
|
||
}
|
||
|
||
increaseScale(steps = 1) {
|
||
let newScale = this._currentScale;
|
||
|
||
do {
|
||
newScale = (newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
|
||
newScale = Math.ceil(newScale * 10) / 10;
|
||
newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
|
||
} while (--steps > 0 && newScale < _ui_utils.MAX_SCALE);
|
||
|
||
this.currentScaleValue = newScale;
|
||
}
|
||
|
||
decreaseScale(steps = 1) {
|
||
let newScale = this._currentScale;
|
||
|
||
do {
|
||
newScale = (newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
|
||
newScale = Math.floor(newScale * 10) / 10;
|
||
newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
|
||
} while (--steps > 0 && newScale > _ui_utils.MIN_SCALE);
|
||
|
||
this.currentScaleValue = newScale;
|
||
}
|
||
|
||
updateContainerHeightCss() {
|
||
const height = this.container.clientHeight;
|
||
|
||
if (height !== this.#previousContainerHeight) {
|
||
this.#previousContainerHeight = height;
|
||
|
||
this._doc.style.setProperty("--viewer-container-height", `${height}px`);
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
exports.BaseViewer = BaseViewer;
|
||
|
||
/***/ }),
|
||
/* 12 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PDFPageView = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _app_options = __w_pdfjs_require__(13);
|
||
|
||
var _l10n_utils = __w_pdfjs_require__(4);
|
||
|
||
const MAX_CANVAS_PIXELS = _app_options.compatibilityParams.maxCanvasPixels || 16777216;
|
||
|
||
class PDFPageView {
|
||
#annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
|
||
|
||
constructor(options) {
|
||
const container = options.container;
|
||
const defaultViewport = options.defaultViewport;
|
||
this.id = options.id;
|
||
this.renderingId = "page" + this.id;
|
||
this.pdfPage = null;
|
||
this.pageLabel = null;
|
||
this.rotation = 0;
|
||
this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
|
||
this.viewport = defaultViewport;
|
||
this.pdfPageRotate = defaultViewport.rotation;
|
||
this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
|
||
this.hasRestrictedScaling = false;
|
||
this.textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
|
||
this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
|
||
this.imageResourcesPath = options.imageResourcesPath || "";
|
||
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
|
||
this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
|
||
this.pageColors = options.pageColors || null;
|
||
this.eventBus = options.eventBus;
|
||
this.renderingQueue = options.renderingQueue;
|
||
this.textLayerFactory = options.textLayerFactory;
|
||
this.annotationLayerFactory = options.annotationLayerFactory;
|
||
this.xfaLayerFactory = options.xfaLayerFactory;
|
||
this.textHighlighter = options.textHighlighterFactory?.createTextHighlighter(this.id - 1, this.eventBus);
|
||
this.structTreeLayerFactory = options.structTreeLayerFactory;
|
||
this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
|
||
this.l10n = options.l10n || _l10n_utils.NullL10n;
|
||
this.paintTask = null;
|
||
this.paintedViewportMap = new WeakMap();
|
||
this.renderingState = _ui_utils.RenderingStates.INITIAL;
|
||
this.resume = null;
|
||
this._renderError = null;
|
||
this._isStandalone = !this.renderingQueue?.hasViewer();
|
||
this._annotationCanvasMap = null;
|
||
this.annotationLayer = null;
|
||
this.textLayer = null;
|
||
this.zoomLayer = null;
|
||
this.xfaLayer = null;
|
||
this.structTreeLayer = null;
|
||
const 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);
|
||
div.setAttribute("role", "region");
|
||
this.l10n.get("page_landmark", {
|
||
page: this.id
|
||
}).then(msg => {
|
||
div.setAttribute("aria-label", msg);
|
||
});
|
||
this.div = div;
|
||
container?.appendChild(div);
|
||
}
|
||
|
||
setPdfPage(pdfPage) {
|
||
this.pdfPage = pdfPage;
|
||
this.pdfPageRotate = pdfPage.rotate;
|
||
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||
this.viewport = pdfPage.getViewport({
|
||
scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
|
||
rotation: totalRotation
|
||
});
|
||
this.reset();
|
||
}
|
||
|
||
destroy() {
|
||
this.reset();
|
||
|
||
if (this.pdfPage) {
|
||
this.pdfPage.cleanup();
|
||
}
|
||
}
|
||
|
||
async _renderAnnotationLayer() {
|
||
let error = null;
|
||
|
||
try {
|
||
await this.annotationLayer.render(this.viewport, "display");
|
||
} catch (ex) {
|
||
error = ex;
|
||
} finally {
|
||
this.eventBus.dispatch("annotationlayerrendered", {
|
||
source: this,
|
||
pageNumber: this.id,
|
||
error
|
||
});
|
||
}
|
||
}
|
||
|
||
async _renderXfaLayer() {
|
||
let error = null;
|
||
|
||
try {
|
||
const result = await this.xfaLayer.render(this.viewport, "display");
|
||
|
||
if (this.textHighlighter) {
|
||
this._buildXfaTextContentItems(result.textDivs);
|
||
}
|
||
} catch (ex) {
|
||
error = ex;
|
||
} finally {
|
||
this.eventBus.dispatch("xfalayerrendered", {
|
||
source: this,
|
||
pageNumber: this.id,
|
||
error
|
||
});
|
||
}
|
||
}
|
||
|
||
async _buildXfaTextContentItems(textDivs) {
|
||
const text = await this.pdfPage.getTextContent();
|
||
const items = [];
|
||
|
||
for (const item of text.items) {
|
||
items.push(item.str);
|
||
}
|
||
|
||
this.textHighlighter.setTextMapping(textDivs, items);
|
||
this.textHighlighter.enable();
|
||
}
|
||
|
||
_resetZoomLayer(removeFromDOM = false) {
|
||
if (!this.zoomLayer) {
|
||
return;
|
||
}
|
||
|
||
const zoomLayerCanvas = this.zoomLayer.firstChild;
|
||
this.paintedViewportMap.delete(zoomLayerCanvas);
|
||
zoomLayerCanvas.width = 0;
|
||
zoomLayerCanvas.height = 0;
|
||
|
||
if (removeFromDOM) {
|
||
this.zoomLayer.remove();
|
||
}
|
||
|
||
this.zoomLayer = null;
|
||
}
|
||
|
||
reset({
|
||
keepZoomLayer = false,
|
||
keepAnnotationLayer = false,
|
||
keepXfaLayer = false
|
||
} = {}) {
|
||
this.cancelRendering({
|
||
keepAnnotationLayer,
|
||
keepXfaLayer
|
||
});
|
||
this.renderingState = _ui_utils.RenderingStates.INITIAL;
|
||
const div = this.div;
|
||
div.style.width = Math.floor(this.viewport.width) + "px";
|
||
div.style.height = Math.floor(this.viewport.height) + "px";
|
||
const childNodes = div.childNodes,
|
||
zoomLayerNode = keepZoomLayer && this.zoomLayer || null,
|
||
annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null,
|
||
xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null;
|
||
|
||
for (let i = childNodes.length - 1; i >= 0; i--) {
|
||
const node = childNodes[i];
|
||
|
||
switch (node) {
|
||
case zoomLayerNode:
|
||
case annotationLayerNode:
|
||
case xfaLayerNode:
|
||
continue;
|
||
}
|
||
|
||
node.remove();
|
||
}
|
||
|
||
div.removeAttribute("data-loaded");
|
||
|
||
if (annotationLayerNode) {
|
||
this.annotationLayer.hide();
|
||
}
|
||
|
||
if (xfaLayerNode) {
|
||
this.xfaLayer.hide();
|
||
}
|
||
|
||
if (!zoomLayerNode) {
|
||
if (this.canvas) {
|
||
this.paintedViewportMap.delete(this.canvas);
|
||
this.canvas.width = 0;
|
||
this.canvas.height = 0;
|
||
delete this.canvas;
|
||
}
|
||
|
||
this._resetZoomLayer();
|
||
}
|
||
|
||
if (this.svg) {
|
||
this.paintedViewportMap.delete(this.svg);
|
||
delete this.svg;
|
||
}
|
||
|
||
this.loadingIconDiv = document.createElement("div");
|
||
this.loadingIconDiv.className = "loadingIcon notVisible";
|
||
|
||
if (this._isStandalone) {
|
||
this.toggleLoadingIconSpinner(true);
|
||
}
|
||
|
||
this.loadingIconDiv.setAttribute("role", "img");
|
||
this.l10n.get("loading").then(msg => {
|
||
this.loadingIconDiv?.setAttribute("aria-label", msg);
|
||
});
|
||
div.appendChild(this.loadingIconDiv);
|
||
}
|
||
|
||
update({
|
||
scale = 0,
|
||
rotation = null,
|
||
optionalContentConfigPromise = null
|
||
}) {
|
||
this.scale = scale || this.scale;
|
||
|
||
if (typeof rotation === "number") {
|
||
this.rotation = rotation;
|
||
}
|
||
|
||
if (optionalContentConfigPromise instanceof Promise) {
|
||
this._optionalContentConfigPromise = optionalContentConfigPromise;
|
||
}
|
||
|
||
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||
this.viewport = this.viewport.clone({
|
||
scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
|
||
rotation: totalRotation
|
||
});
|
||
|
||
if (this._isStandalone) {
|
||
const {
|
||
style
|
||
} = document.documentElement;
|
||
style.setProperty("--zoom-factor", this.scale);
|
||
}
|
||
|
||
if (this.svg) {
|
||
this.cssTransform({
|
||
target: this.svg,
|
||
redrawAnnotationLayer: true,
|
||
redrawXfaLayer: true
|
||
});
|
||
this.eventBus.dispatch("pagerendered", {
|
||
source: this,
|
||
pageNumber: this.id,
|
||
cssTransform: true,
|
||
timestamp: performance.now(),
|
||
error: this._renderError
|
||
});
|
||
return;
|
||
}
|
||
|
||
let isScalingRestricted = false;
|
||
|
||
if (this.canvas && this.maxCanvasPixels > 0) {
|
||
const outputScale = this.outputScale;
|
||
|
||
if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
|
||
isScalingRestricted = true;
|
||
}
|
||
}
|
||
|
||
if (this.canvas) {
|
||
if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
|
||
this.cssTransform({
|
||
target: this.canvas,
|
||
redrawAnnotationLayer: true,
|
||
redrawXfaLayer: true
|
||
});
|
||
this.eventBus.dispatch("pagerendered", {
|
||
source: this,
|
||
pageNumber: this.id,
|
||
cssTransform: true,
|
||
timestamp: performance.now(),
|
||
error: this._renderError
|
||
});
|
||
return;
|
||
}
|
||
|
||
if (!this.zoomLayer && !this.canvas.hidden) {
|
||
this.zoomLayer = this.canvas.parentNode;
|
||
this.zoomLayer.style.position = "absolute";
|
||
}
|
||
}
|
||
|
||
if (this.zoomLayer) {
|
||
this.cssTransform({
|
||
target: this.zoomLayer.firstChild
|
||
});
|
||
}
|
||
|
||
this.reset({
|
||
keepZoomLayer: true,
|
||
keepAnnotationLayer: true,
|
||
keepXfaLayer: true
|
||
});
|
||
}
|
||
|
||
cancelRendering({
|
||
keepAnnotationLayer = false,
|
||
keepXfaLayer = false
|
||
} = {}) {
|
||
if (this.paintTask) {
|
||
this.paintTask.cancel();
|
||
this.paintTask = null;
|
||
}
|
||
|
||
this.resume = null;
|
||
|
||
if (this.textLayer) {
|
||
this.textLayer.cancel();
|
||
this.textLayer = null;
|
||
}
|
||
|
||
if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) {
|
||
this.annotationLayer.cancel();
|
||
this.annotationLayer = null;
|
||
this._annotationCanvasMap = null;
|
||
}
|
||
|
||
if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
|
||
this.xfaLayer.cancel();
|
||
this.xfaLayer = null;
|
||
this.textHighlighter?.disable();
|
||
}
|
||
|
||
if (this._onTextLayerRendered) {
|
||
this.eventBus._off("textlayerrendered", this._onTextLayerRendered);
|
||
|
||
this._onTextLayerRendered = null;
|
||
}
|
||
}
|
||
|
||
cssTransform({
|
||
target,
|
||
redrawAnnotationLayer = false,
|
||
redrawXfaLayer = false
|
||
}) {
|
||
const width = this.viewport.width;
|
||
const height = this.viewport.height;
|
||
const 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";
|
||
const relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
|
||
const absRotation = Math.abs(relativeRotation);
|
||
let scaleX = 1,
|
||
scaleY = 1;
|
||
|
||
if (absRotation === 90 || absRotation === 270) {
|
||
scaleX = height / width;
|
||
scaleY = width / height;
|
||
}
|
||
|
||
target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`;
|
||
|
||
if (this.textLayer) {
|
||
const textLayerViewport = this.textLayer.viewport;
|
||
const textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
|
||
const textAbsRotation = Math.abs(textRelativeRotation);
|
||
let scale = width / textLayerViewport.width;
|
||
|
||
if (textAbsRotation === 90 || textAbsRotation === 270) {
|
||
scale = width / textLayerViewport.height;
|
||
}
|
||
|
||
const textLayerDiv = this.textLayer.textLayerDiv;
|
||
let transX, transY;
|
||
|
||
switch (textAbsRotation) {
|
||
case 0:
|
||
transX = transY = 0;
|
||
break;
|
||
|
||
case 90:
|
||
transX = 0;
|
||
transY = "-" + textLayerDiv.style.height;
|
||
break;
|
||
|
||
case 180:
|
||
transX = "-" + textLayerDiv.style.width;
|
||
transY = "-" + textLayerDiv.style.height;
|
||
break;
|
||
|
||
case 270:
|
||
transX = "-" + textLayerDiv.style.width;
|
||
transY = 0;
|
||
break;
|
||
|
||
default:
|
||
console.error("Bad rotation value.");
|
||
break;
|
||
}
|
||
|
||
textLayerDiv.style.transform = `rotate(${textAbsRotation}deg) ` + `scale(${scale}) ` + `translate(${transX}, ${transY})`;
|
||
textLayerDiv.style.transformOrigin = "0% 0%";
|
||
}
|
||
|
||
if (redrawAnnotationLayer && this.annotationLayer) {
|
||
this._renderAnnotationLayer();
|
||
}
|
||
|
||
if (redrawXfaLayer && this.xfaLayer) {
|
||
this._renderXfaLayer();
|
||
}
|
||
}
|
||
|
||
get width() {
|
||
return this.viewport.width;
|
||
}
|
||
|
||
get height() {
|
||
return this.viewport.height;
|
||
}
|
||
|
||
getPagePoint(x, y) {
|
||
return this.viewport.convertToPdfPoint(x, y);
|
||
}
|
||
|
||
toggleLoadingIconSpinner(viewVisible = false) {
|
||
this.loadingIconDiv?.classList.toggle("notVisible", !viewVisible);
|
||
}
|
||
|
||
draw() {
|
||
if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
|
||
console.error("Must be in new state before drawing");
|
||
this.reset();
|
||
}
|
||
|
||
const {
|
||
div,
|
||
pdfPage
|
||
} = this;
|
||
|
||
if (!pdfPage) {
|
||
this.renderingState = _ui_utils.RenderingStates.FINISHED;
|
||
|
||
if (this.loadingIconDiv) {
|
||
this.loadingIconDiv.remove();
|
||
delete this.loadingIconDiv;
|
||
}
|
||
|
||
return Promise.reject(new Error("pdfPage is not loaded"));
|
||
}
|
||
|
||
this.renderingState = _ui_utils.RenderingStates.RUNNING;
|
||
const canvasWrapper = document.createElement("div");
|
||
canvasWrapper.style.width = div.style.width;
|
||
canvasWrapper.style.height = div.style.height;
|
||
canvasWrapper.classList.add("canvasWrapper");
|
||
|
||
if (this.annotationLayer?.div) {
|
||
div.insertBefore(canvasWrapper, this.annotationLayer.div);
|
||
} else {
|
||
div.appendChild(canvasWrapper);
|
||
}
|
||
|
||
let textLayer = null;
|
||
|
||
if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
|
||
const textLayerDiv = document.createElement("div");
|
||
textLayerDiv.className = "textLayer";
|
||
textLayerDiv.style.width = canvasWrapper.style.width;
|
||
textLayerDiv.style.height = canvasWrapper.style.height;
|
||
|
||
if (this.annotationLayer?.div) {
|
||
div.insertBefore(textLayerDiv, this.annotationLayer.div);
|
||
} else {
|
||
div.appendChild(textLayerDiv);
|
||
}
|
||
|
||
textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus, this.textHighlighter);
|
||
}
|
||
|
||
this.textLayer = textLayer;
|
||
|
||
if (this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE && this.annotationLayerFactory) {
|
||
this._annotationCanvasMap ||= new Map();
|
||
this.annotationLayer ||= this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, null, this.imageResourcesPath, this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS, this.l10n, null, null, null, null, this._annotationCanvasMap);
|
||
}
|
||
|
||
if (this.xfaLayer?.div) {
|
||
div.appendChild(this.xfaLayer.div);
|
||
}
|
||
|
||
let renderContinueCallback = null;
|
||
|
||
if (this.renderingQueue) {
|
||
renderContinueCallback = cont => {
|
||
if (!this.renderingQueue.isHighestPriority(this)) {
|
||
this.renderingState = _ui_utils.RenderingStates.PAUSED;
|
||
|
||
this.resume = () => {
|
||
this.renderingState = _ui_utils.RenderingStates.RUNNING;
|
||
cont();
|
||
};
|
||
|
||
return;
|
||
}
|
||
|
||
cont();
|
||
};
|
||
}
|
||
|
||
const finishPaintTask = async (error = null) => {
|
||
if (paintTask === this.paintTask) {
|
||
this.paintTask = null;
|
||
}
|
||
|
||
if (error instanceof _pdfjsLib.RenderingCancelledException) {
|
||
this._renderError = null;
|
||
return;
|
||
}
|
||
|
||
this._renderError = error;
|
||
this.renderingState = _ui_utils.RenderingStates.FINISHED;
|
||
|
||
if (this.loadingIconDiv) {
|
||
this.loadingIconDiv.remove();
|
||
delete this.loadingIconDiv;
|
||
}
|
||
|
||
this._resetZoomLayer(true);
|
||
|
||
this.eventBus.dispatch("pagerendered", {
|
||
source: this,
|
||
pageNumber: this.id,
|
||
cssTransform: false,
|
||
timestamp: performance.now(),
|
||
error: this._renderError
|
||
});
|
||
|
||
if (error) {
|
||
throw error;
|
||
}
|
||
};
|
||
|
||
const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
|
||
paintTask.onRenderContinue = renderContinueCallback;
|
||
this.paintTask = paintTask;
|
||
const resultPromise = paintTask.promise.then(() => {
|
||
return finishPaintTask(null).then(() => {
|
||
if (textLayer) {
|
||
const readableStream = pdfPage.streamTextContent({
|
||
includeMarkedContent: true
|
||
});
|
||
textLayer.setTextContentStream(readableStream);
|
||
textLayer.render();
|
||
}
|
||
|
||
if (this.annotationLayer) {
|
||
this._renderAnnotationLayer();
|
||
}
|
||
});
|
||
}, function (reason) {
|
||
return finishPaintTask(reason);
|
||
});
|
||
|
||
if (this.xfaLayerFactory) {
|
||
if (!this.xfaLayer) {
|
||
this.xfaLayer = this.xfaLayerFactory.createXfaLayerBuilder(div, pdfPage, null);
|
||
}
|
||
|
||
this._renderXfaLayer();
|
||
}
|
||
|
||
if (this.structTreeLayerFactory && this.textLayer && this.canvas) {
|
||
this._onTextLayerRendered = event => {
|
||
if (event.pageNumber !== this.id) {
|
||
return;
|
||
}
|
||
|
||
this.eventBus._off("textlayerrendered", this._onTextLayerRendered);
|
||
|
||
this._onTextLayerRendered = null;
|
||
|
||
if (!this.canvas) {
|
||
return;
|
||
}
|
||
|
||
this.pdfPage.getStructTree().then(tree => {
|
||
if (!tree) {
|
||
return;
|
||
}
|
||
|
||
if (!this.canvas) {
|
||
return;
|
||
}
|
||
|
||
const treeDom = this.structTreeLayer.render(tree);
|
||
treeDom.classList.add("structTree");
|
||
this.canvas.appendChild(treeDom);
|
||
});
|
||
};
|
||
|
||
this.eventBus._on("textlayerrendered", this._onTextLayerRendered);
|
||
|
||
this.structTreeLayer = this.structTreeLayerFactory.createStructTreeLayerBuilder(pdfPage);
|
||
}
|
||
|
||
div.setAttribute("data-loaded", true);
|
||
this.eventBus.dispatch("pagerender", {
|
||
source: this,
|
||
pageNumber: this.id
|
||
});
|
||
return resultPromise;
|
||
}
|
||
|
||
paintOnCanvas(canvasWrapper) {
|
||
const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
const result = {
|
||
promise: renderCapability.promise,
|
||
|
||
onRenderContinue(cont) {
|
||
cont();
|
||
},
|
||
|
||
cancel() {
|
||
renderTask.cancel();
|
||
}
|
||
|
||
};
|
||
const viewport = this.viewport;
|
||
const canvas = document.createElement("canvas");
|
||
canvas.hidden = true;
|
||
let isCanvasHidden = true;
|
||
|
||
const showCanvas = function () {
|
||
if (isCanvasHidden) {
|
||
canvas.hidden = false;
|
||
isCanvasHidden = false;
|
||
}
|
||
};
|
||
|
||
canvasWrapper.appendChild(canvas);
|
||
this.canvas = canvas;
|
||
const ctx = canvas.getContext("2d", {
|
||
alpha: false
|
||
});
|
||
const outputScale = this.outputScale = new _ui_utils.OutputScale();
|
||
|
||
if (this.useOnlyCssZoom) {
|
||
const actualSizeViewport = viewport.clone({
|
||
scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
|
||
});
|
||
outputScale.sx *= actualSizeViewport.width / viewport.width;
|
||
outputScale.sy *= actualSizeViewport.height / viewport.height;
|
||
}
|
||
|
||
if (this.maxCanvasPixels > 0) {
|
||
const pixelsInViewport = viewport.width * viewport.height;
|
||
const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
|
||
|
||
if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
|
||
outputScale.sx = maxScale;
|
||
outputScale.sy = maxScale;
|
||
this.hasRestrictedScaling = true;
|
||
} else {
|
||
this.hasRestrictedScaling = false;
|
||
}
|
||
}
|
||
|
||
const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
|
||
const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
|
||
canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
|
||
canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
|
||
canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
|
||
canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
|
||
this.paintedViewportMap.set(canvas, viewport);
|
||
const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
|
||
const renderContext = {
|
||
canvasContext: ctx,
|
||
transform,
|
||
viewport: this.viewport,
|
||
annotationMode: this.#annotationMode,
|
||
optionalContentConfigPromise: this._optionalContentConfigPromise,
|
||
annotationCanvasMap: this._annotationCanvasMap,
|
||
pageColors: this.pageColors
|
||
};
|
||
const renderTask = this.pdfPage.render(renderContext);
|
||
|
||
renderTask.onContinue = function (cont) {
|
||
showCanvas();
|
||
|
||
if (result.onRenderContinue) {
|
||
result.onRenderContinue(cont);
|
||
} else {
|
||
cont();
|
||
}
|
||
};
|
||
|
||
renderTask.promise.then(function () {
|
||
showCanvas();
|
||
renderCapability.resolve();
|
||
}, function (error) {
|
||
showCanvas();
|
||
renderCapability.reject(error);
|
||
});
|
||
return result;
|
||
}
|
||
|
||
paintOnSvg(wrapper) {
|
||
let cancelled = false;
|
||
|
||
const ensureNotCancelled = () => {
|
||
if (cancelled) {
|
||
throw new _pdfjsLib.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
|
||
}
|
||
};
|
||
|
||
const pdfPage = this.pdfPage;
|
||
const actualSizeViewport = this.viewport.clone({
|
||
scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
|
||
});
|
||
const promise = pdfPage.getOperatorList({
|
||
annotationMode: this.#annotationMode
|
||
}).then(opList => {
|
||
ensureNotCancelled();
|
||
const svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
|
||
return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
|
||
ensureNotCancelled();
|
||
this.svg = svg;
|
||
this.paintedViewportMap.set(svg, actualSizeViewport);
|
||
svg.style.width = wrapper.style.width;
|
||
svg.style.height = wrapper.style.height;
|
||
this.renderingState = _ui_utils.RenderingStates.FINISHED;
|
||
wrapper.appendChild(svg);
|
||
});
|
||
});
|
||
return {
|
||
promise,
|
||
|
||
onRenderContinue(cont) {
|
||
cont();
|
||
},
|
||
|
||
cancel() {
|
||
cancelled = true;
|
||
}
|
||
|
||
};
|
||
}
|
||
|
||
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");
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFPageView = PDFPageView;
|
||
|
||
/***/ }),
|
||
/* 13 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.compatibilityParams = exports.OptionKind = exports.AppOptions = void 0;
|
||
const compatibilityParams = Object.create(null);
|
||
exports.compatibilityParams = compatibilityParams;
|
||
{
|
||
const userAgent = navigator.userAgent || "";
|
||
const platform = navigator.platform || "";
|
||
const maxTouchPoints = navigator.maxTouchPoints || 1;
|
||
const isAndroid = /Android/.test(userAgent);
|
||
const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
|
||
|
||
(function checkCanvasSizeLimitation() {
|
||
if (isIOS || isAndroid) {
|
||
compatibilityParams.maxCanvasPixels = 5242880;
|
||
}
|
||
})();
|
||
}
|
||
const OptionKind = {
|
||
VIEWER: 0x02,
|
||
API: 0x04,
|
||
WORKER: 0x08,
|
||
PREFERENCE: 0x80
|
||
};
|
||
exports.OptionKind = OptionKind;
|
||
const defaultOptions = {
|
||
annotationMode: {
|
||
value: 2,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
cursorToolOnLoad: {
|
||
value: 0,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
defaultUrl: {
|
||
value: "compressed.tracemonkey-pldi-09.pdf",
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
defaultZoomValue: {
|
||
value: "",
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
disableHistory: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
disablePageLabels: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
enablePermissions: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
enablePrintAutoRotate: {
|
||
value: true,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
enableScripting: {
|
||
value: true,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
externalLinkRel: {
|
||
value: "noopener noreferrer nofollow",
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
externalLinkTarget: {
|
||
value: 0,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
historyUpdateUrl: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
ignoreDestinationZoom: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
imageResourcesPath: {
|
||
value: "./images/",
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
maxCanvasPixels: {
|
||
value: 16777216,
|
||
compatibility: compatibilityParams.maxCanvasPixels,
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
pageColorsBackground: {
|
||
value: "Canvas",
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
pageColorsForeground: {
|
||
value: "CanvasText",
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
pdfBugEnabled: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
printResolution: {
|
||
value: 150,
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
renderer: {
|
||
value: "canvas",
|
||
kind: OptionKind.VIEWER
|
||
},
|
||
sidebarViewOnLoad: {
|
||
value: -1,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
scrollModeOnLoad: {
|
||
value: -1,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
spreadModeOnLoad: {
|
||
value: -1,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
textLayerMode: {
|
||
value: 1,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
useOnlyCssZoom: {
|
||
value: false,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
viewerCssTheme: {
|
||
value: 0,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
viewOnLoad: {
|
||
value: 0,
|
||
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
|
||
},
|
||
cMapPacked: {
|
||
value: true,
|
||
kind: OptionKind.API
|
||
},
|
||
cMapUrl: {
|
||
value: "../web/cmaps/",
|
||
kind: OptionKind.API
|
||
},
|
||
disableAutoFetch: {
|
||
value: false,
|
||
kind: OptionKind.API + OptionKind.PREFERENCE
|
||
},
|
||
disableFontFace: {
|
||
value: false,
|
||
kind: OptionKind.API + OptionKind.PREFERENCE
|
||
},
|
||
disableRange: {
|
||
value: false,
|
||
kind: OptionKind.API + OptionKind.PREFERENCE
|
||
},
|
||
disableStream: {
|
||
value: false,
|
||
kind: OptionKind.API + OptionKind.PREFERENCE
|
||
},
|
||
docBaseUrl: {
|
||
value: "",
|
||
kind: OptionKind.API
|
||
},
|
||
enableXfa: {
|
||
value: true,
|
||
kind: OptionKind.API + OptionKind.PREFERENCE
|
||
},
|
||
fontExtraProperties: {
|
||
value: false,
|
||
kind: OptionKind.API
|
||
},
|
||
isEvalSupported: {
|
||
value: true,
|
||
kind: OptionKind.API
|
||
},
|
||
maxImageSize: {
|
||
value: -1,
|
||
kind: OptionKind.API
|
||
},
|
||
pdfBug: {
|
||
value: false,
|
||
kind: OptionKind.API
|
||
},
|
||
standardFontDataUrl: {
|
||
value: "../web/standard_fonts/",
|
||
kind: OptionKind.API
|
||
},
|
||
verbosity: {
|
||
value: 1,
|
||
kind: OptionKind.API
|
||
},
|
||
workerPort: {
|
||
value: null,
|
||
kind: OptionKind.WORKER
|
||
},
|
||
workerSrc: {
|
||
value: "../build/pdf.worker.js",
|
||
kind: OptionKind.WORKER
|
||
}
|
||
};
|
||
{
|
||
defaultOptions.disablePreferences = {
|
||
value: false,
|
||
kind: OptionKind.VIEWER
|
||
};
|
||
defaultOptions.locale = {
|
||
value: navigator.language || "en-US",
|
||
kind: OptionKind.VIEWER
|
||
};
|
||
defaultOptions.sandboxBundleSrc = {
|
||
value: "../build/pdf.sandbox.js",
|
||
kind: OptionKind.VIEWER
|
||
};
|
||
defaultOptions.renderer.kind += OptionKind.PREFERENCE;
|
||
}
|
||
const userOptions = Object.create(null);
|
||
|
||
class AppOptions {
|
||
constructor() {
|
||
throw new Error("Cannot initialize AppOptions.");
|
||
}
|
||
|
||
static get(name) {
|
||
const userOption = userOptions[name];
|
||
|
||
if (userOption !== undefined) {
|
||
return userOption;
|
||
}
|
||
|
||
const defaultOption = defaultOptions[name];
|
||
|
||
if (defaultOption !== undefined) {
|
||
return defaultOption.compatibility ?? defaultOption.value;
|
||
}
|
||
|
||
return undefined;
|
||
}
|
||
|
||
static getAll(kind = null) {
|
||
const options = Object.create(null);
|
||
|
||
for (const name in defaultOptions) {
|
||
const defaultOption = defaultOptions[name];
|
||
|
||
if (kind) {
|
||
if ((kind & defaultOption.kind) === 0) {
|
||
continue;
|
||
}
|
||
|
||
if (kind === OptionKind.PREFERENCE) {
|
||
const value = defaultOption.value,
|
||
valueType = typeof value;
|
||
|
||
if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) {
|
||
options[name] = value;
|
||
continue;
|
||
}
|
||
|
||
throw new Error(`Invalid type for preference: ${name}`);
|
||
}
|
||
}
|
||
|
||
const userOption = userOptions[name];
|
||
options[name] = userOption !== undefined ? userOption : defaultOption.compatibility ?? defaultOption.value;
|
||
}
|
||
|
||
return options;
|
||
}
|
||
|
||
static set(name, value) {
|
||
userOptions[name] = value;
|
||
}
|
||
|
||
static setAll(options) {
|
||
for (const name in options) {
|
||
userOptions[name] = options[name];
|
||
}
|
||
}
|
||
|
||
static remove(name) {
|
||
delete userOptions[name];
|
||
}
|
||
|
||
static _hasUserOptions() {
|
||
return Object.keys(userOptions).length > 0;
|
||
}
|
||
|
||
}
|
||
|
||
exports.AppOptions = AppOptions;
|
||
|
||
/***/ }),
|
||
/* 14 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PDFRenderingQueue = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
const CLEANUP_TIMEOUT = 30000;
|
||
|
||
class PDFRenderingQueue {
|
||
constructor() {
|
||
this.pdfViewer = null;
|
||
this.pdfThumbnailViewer = null;
|
||
this.onIdle = null;
|
||
this.highestPriorityPage = null;
|
||
this.idleTimeout = null;
|
||
this.printing = false;
|
||
this.isThumbnailViewEnabled = false;
|
||
}
|
||
|
||
setViewer(pdfViewer) {
|
||
this.pdfViewer = pdfViewer;
|
||
}
|
||
|
||
setThumbnailViewer(pdfThumbnailViewer) {
|
||
this.pdfThumbnailViewer = pdfThumbnailViewer;
|
||
}
|
||
|
||
isHighestPriority(view) {
|
||
return this.highestPriorityPage === view.renderingId;
|
||
}
|
||
|
||
hasViewer() {
|
||
return !!this.pdfViewer;
|
||
}
|
||
|
||
renderHighestPriority(currentlyVisiblePages) {
|
||
if (this.idleTimeout) {
|
||
clearTimeout(this.idleTimeout);
|
||
this.idleTimeout = null;
|
||
}
|
||
|
||
if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
|
||
return;
|
||
}
|
||
|
||
if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) {
|
||
return;
|
||
}
|
||
|
||
if (this.printing) {
|
||
return;
|
||
}
|
||
|
||
if (this.onIdle) {
|
||
this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
|
||
}
|
||
}
|
||
|
||
getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) {
|
||
const visibleViews = visible.views,
|
||
numVisible = visibleViews.length;
|
||
|
||
if (numVisible === 0) {
|
||
return null;
|
||
}
|
||
|
||
for (let i = 0; i < numVisible; i++) {
|
||
const view = visibleViews[i].view;
|
||
|
||
if (!this.isViewFinished(view)) {
|
||
return view;
|
||
}
|
||
}
|
||
|
||
const firstId = visible.first.id,
|
||
lastId = visible.last.id;
|
||
|
||
if (lastId - firstId + 1 > numVisible) {
|
||
const visibleIds = visible.ids;
|
||
|
||
for (let i = 1, ii = lastId - firstId; i < ii; i++) {
|
||
const holeId = scrolledDown ? firstId + i : lastId - i;
|
||
|
||
if (visibleIds.has(holeId)) {
|
||
continue;
|
||
}
|
||
|
||
const holeView = views[holeId - 1];
|
||
|
||
if (!this.isViewFinished(holeView)) {
|
||
return holeView;
|
||
}
|
||
}
|
||
}
|
||
|
||
let preRenderIndex = scrolledDown ? lastId : firstId - 2;
|
||
let preRenderView = views[preRenderIndex];
|
||
|
||
if (preRenderView && !this.isViewFinished(preRenderView)) {
|
||
return preRenderView;
|
||
}
|
||
|
||
if (preRenderExtra) {
|
||
preRenderIndex += scrolledDown ? 1 : -1;
|
||
preRenderView = views[preRenderIndex];
|
||
|
||
if (preRenderView && !this.isViewFinished(preRenderView)) {
|
||
return preRenderView;
|
||
}
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
isViewFinished(view) {
|
||
return view.renderingState === _ui_utils.RenderingStates.FINISHED;
|
||
}
|
||
|
||
renderView(view) {
|
||
switch (view.renderingState) {
|
||
case _ui_utils.RenderingStates.FINISHED:
|
||
return false;
|
||
|
||
case _ui_utils.RenderingStates.PAUSED:
|
||
this.highestPriorityPage = view.renderingId;
|
||
view.resume();
|
||
break;
|
||
|
||
case _ui_utils.RenderingStates.RUNNING:
|
||
this.highestPriorityPage = view.renderingId;
|
||
break;
|
||
|
||
case _ui_utils.RenderingStates.INITIAL:
|
||
this.highestPriorityPage = view.renderingId;
|
||
view.draw().finally(() => {
|
||
this.renderHighestPriority();
|
||
}).catch(reason => {
|
||
if (reason instanceof _pdfjsLib.RenderingCancelledException) {
|
||
return;
|
||
}
|
||
|
||
console.error(`renderView: "${reason}"`);
|
||
});
|
||
break;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFRenderingQueue = PDFRenderingQueue;
|
||
|
||
/***/ }),
|
||
/* 15 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.TextHighlighter = void 0;
|
||
|
||
class TextHighlighter {
|
||
constructor({
|
||
findController,
|
||
eventBus,
|
||
pageIndex
|
||
}) {
|
||
this.findController = findController;
|
||
this.matches = [];
|
||
this.eventBus = eventBus;
|
||
this.pageIdx = pageIndex;
|
||
this._onUpdateTextLayerMatches = null;
|
||
this.textDivs = null;
|
||
this.textContentItemsStr = null;
|
||
this.enabled = false;
|
||
}
|
||
|
||
setTextMapping(divs, texts) {
|
||
this.textDivs = divs;
|
||
this.textContentItemsStr = texts;
|
||
}
|
||
|
||
enable() {
|
||
if (!this.textDivs || !this.textContentItemsStr) {
|
||
throw new Error("Text divs and strings have not been set.");
|
||
}
|
||
|
||
if (this.enabled) {
|
||
throw new Error("TextHighlighter is already enabled.");
|
||
}
|
||
|
||
this.enabled = true;
|
||
|
||
if (!this._onUpdateTextLayerMatches) {
|
||
this._onUpdateTextLayerMatches = evt => {
|
||
if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
|
||
this._updateMatches();
|
||
}
|
||
};
|
||
|
||
this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
|
||
}
|
||
|
||
this._updateMatches();
|
||
}
|
||
|
||
disable() {
|
||
if (!this.enabled) {
|
||
return;
|
||
}
|
||
|
||
this.enabled = false;
|
||
|
||
if (this._onUpdateTextLayerMatches) {
|
||
this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
|
||
|
||
this._onUpdateTextLayerMatches = null;
|
||
}
|
||
}
|
||
|
||
_convertMatches(matches, matchesLength) {
|
||
if (!matches) {
|
||
return [];
|
||
}
|
||
|
||
const {
|
||
textContentItemsStr
|
||
} = this;
|
||
let i = 0,
|
||
iIndex = 0;
|
||
const end = textContentItemsStr.length - 1;
|
||
const result = [];
|
||
|
||
for (let m = 0, mm = matches.length; m < mm; m++) {
|
||
let matchIdx = matches[m];
|
||
|
||
while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
|
||
iIndex += textContentItemsStr[i].length;
|
||
i++;
|
||
}
|
||
|
||
if (i === textContentItemsStr.length) {
|
||
console.error("Could not find a matching mapping");
|
||
}
|
||
|
||
const match = {
|
||
begin: {
|
||
divIdx: i,
|
||
offset: matchIdx - iIndex
|
||
}
|
||
};
|
||
matchIdx += matchesLength[m];
|
||
|
||
while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
|
||
iIndex += textContentItemsStr[i].length;
|
||
i++;
|
||
}
|
||
|
||
match.end = {
|
||
divIdx: i,
|
||
offset: matchIdx - iIndex
|
||
};
|
||
result.push(match);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
_renderMatches(matches) {
|
||
if (matches.length === 0) {
|
||
return;
|
||
}
|
||
|
||
const {
|
||
findController,
|
||
pageIdx
|
||
} = this;
|
||
const {
|
||
textContentItemsStr,
|
||
textDivs
|
||
} = this;
|
||
const isSelectedPage = pageIdx === findController.selected.pageIdx;
|
||
const selectedMatchIdx = findController.selected.matchIdx;
|
||
const highlightAll = findController.state.highlightAll;
|
||
let prevEnd = null;
|
||
const infinity = {
|
||
divIdx: -1,
|
||
offset: undefined
|
||
};
|
||
|
||
function beginText(begin, className) {
|
||
const divIdx = begin.divIdx;
|
||
textDivs[divIdx].textContent = "";
|
||
return appendTextToDiv(divIdx, 0, begin.offset, className);
|
||
}
|
||
|
||
function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
|
||
let div = textDivs[divIdx];
|
||
|
||
if (div.nodeType === Node.TEXT_NODE) {
|
||
const span = document.createElement("span");
|
||
div.parentNode.insertBefore(span, div);
|
||
span.appendChild(div);
|
||
textDivs[divIdx] = span;
|
||
div = span;
|
||
}
|
||
|
||
const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
|
||
const node = document.createTextNode(content);
|
||
|
||
if (className) {
|
||
const span = document.createElement("span");
|
||
span.className = `${className} appended`;
|
||
span.appendChild(node);
|
||
div.appendChild(span);
|
||
return className.includes("selected") ? span.offsetLeft : 0;
|
||
}
|
||
|
||
div.appendChild(node);
|
||
return 0;
|
||
}
|
||
|
||
let i0 = selectedMatchIdx,
|
||
i1 = i0 + 1;
|
||
|
||
if (highlightAll) {
|
||
i0 = 0;
|
||
i1 = matches.length;
|
||
} else if (!isSelectedPage) {
|
||
return;
|
||
}
|
||
|
||
for (let i = i0; i < i1; i++) {
|
||
const match = matches[i];
|
||
const begin = match.begin;
|
||
const end = match.end;
|
||
const isSelected = isSelectedPage && i === selectedMatchIdx;
|
||
const highlightSuffix = isSelected ? " selected" : "";
|
||
let selectedLeft = 0;
|
||
|
||
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) {
|
||
selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
|
||
} else {
|
||
selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
|
||
|
||
for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
|
||
textDivs[n0].className = "highlight middle" + highlightSuffix;
|
||
}
|
||
|
||
beginText(end, "highlight end" + highlightSuffix);
|
||
}
|
||
|
||
prevEnd = end;
|
||
|
||
if (isSelected) {
|
||
findController.scrollMatchIntoView({
|
||
element: textDivs[begin.divIdx],
|
||
selectedLeft,
|
||
pageIndex: pageIdx,
|
||
matchIndex: selectedMatchIdx
|
||
});
|
||
}
|
||
}
|
||
|
||
if (prevEnd) {
|
||
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
|
||
}
|
||
}
|
||
|
||
_updateMatches() {
|
||
if (!this.enabled) {
|
||
return;
|
||
}
|
||
|
||
const {
|
||
findController,
|
||
matches,
|
||
pageIdx
|
||
} = this;
|
||
const {
|
||
textContentItemsStr,
|
||
textDivs
|
||
} = this;
|
||
let clearedUntilDivIdx = -1;
|
||
|
||
for (let i = 0, ii = matches.length; i < ii; i++) {
|
||
const match = matches[i];
|
||
const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
|
||
|
||
for (let n = begin, end = match.end.divIdx; n <= end; n++) {
|
||
const div = textDivs[n];
|
||
div.textContent = textContentItemsStr[n];
|
||
div.className = "";
|
||
}
|
||
|
||
clearedUntilDivIdx = match.end.divIdx + 1;
|
||
}
|
||
|
||
if (!findController?.highlightMatches) {
|
||
return;
|
||
}
|
||
|
||
const pageMatches = findController.pageMatches[pageIdx] || null;
|
||
const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
|
||
this.matches = this._convertMatches(pageMatches, pageMatchesLength);
|
||
|
||
this._renderMatches(this.matches);
|
||
}
|
||
|
||
}
|
||
|
||
exports.TextHighlighter = TextHighlighter;
|
||
|
||
/***/ }),
|
||
/* 16 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.DownloadManager = void 0;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
;
|
||
|
||
function download(blobUrl, filename) {
|
||
const a = document.createElement("a");
|
||
|
||
if (!a.click) {
|
||
throw new Error('DownloadManager: "a.click()" is not supported.');
|
||
}
|
||
|
||
a.href = blobUrl;
|
||
a.target = "_parent";
|
||
|
||
if ("download" in a) {
|
||
a.download = filename;
|
||
}
|
||
|
||
(document.body || document.documentElement).appendChild(a);
|
||
a.click();
|
||
a.remove();
|
||
}
|
||
|
||
class DownloadManager {
|
||
constructor() {
|
||
this._openBlobUrls = new WeakMap();
|
||
}
|
||
|
||
downloadUrl(url, filename) {
|
||
if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
|
||
console.error(`downloadUrl - not a valid URL: ${url}`);
|
||
return;
|
||
}
|
||
|
||
download(url + "#pdfjs.action=download", filename);
|
||
}
|
||
|
||
downloadData(data, filename, contentType) {
|
||
const blobUrl = URL.createObjectURL(new Blob([data], {
|
||
type: contentType
|
||
}));
|
||
download(blobUrl, filename);
|
||
}
|
||
|
||
openOrDownloadData(element, data, filename) {
|
||
const isPdfData = (0, _pdfjsLib.isPdfFile)(filename);
|
||
const contentType = isPdfData ? "application/pdf" : "";
|
||
|
||
if (isPdfData) {
|
||
let blobUrl = this._openBlobUrls.get(element);
|
||
|
||
if (!blobUrl) {
|
||
blobUrl = URL.createObjectURL(new Blob([data], {
|
||
type: contentType
|
||
}));
|
||
|
||
this._openBlobUrls.set(element, blobUrl);
|
||
}
|
||
|
||
let viewerUrl;
|
||
viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
|
||
|
||
try {
|
||
window.open(viewerUrl);
|
||
return true;
|
||
} catch (ex) {
|
||
console.error(`openOrDownloadData: ${ex}`);
|
||
URL.revokeObjectURL(blobUrl);
|
||
|
||
this._openBlobUrls.delete(element);
|
||
}
|
||
}
|
||
|
||
this.downloadData(data, filename, contentType);
|
||
return false;
|
||
}
|
||
|
||
download(blob, url, filename, sourceEventType = "download") {
|
||
const blobUrl = URL.createObjectURL(blob);
|
||
download(blobUrl, filename);
|
||
}
|
||
|
||
}
|
||
|
||
exports.DownloadManager = DownloadManager;
|
||
|
||
/***/ }),
|
||
/* 17 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.WaitOnType = exports.EventBus = exports.AutomationEventBus = void 0;
|
||
exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
|
||
const WaitOnType = {
|
||
EVENT: "event",
|
||
TIMEOUT: "timeout"
|
||
};
|
||
exports.WaitOnType = WaitOnType;
|
||
|
||
function waitOnEventOrTimeout({
|
||
target,
|
||
name,
|
||
delay = 0
|
||
}) {
|
||
return new Promise(function (resolve, reject) {
|
||
if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
|
||
throw new Error("waitOnEventOrTimeout - invalid parameters.");
|
||
}
|
||
|
||
function handler(type) {
|
||
if (target instanceof EventBus) {
|
||
target._off(name, eventHandler);
|
||
} else {
|
||
target.removeEventListener(name, eventHandler);
|
||
}
|
||
|
||
if (timeout) {
|
||
clearTimeout(timeout);
|
||
}
|
||
|
||
resolve(type);
|
||
}
|
||
|
||
const eventHandler = handler.bind(null, WaitOnType.EVENT);
|
||
|
||
if (target instanceof EventBus) {
|
||
target._on(name, eventHandler);
|
||
} else {
|
||
target.addEventListener(name, eventHandler);
|
||
}
|
||
|
||
const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
|
||
const timeout = setTimeout(timeoutHandler, delay);
|
||
});
|
||
}
|
||
|
||
class EventBus {
|
||
constructor() {
|
||
this._listeners = Object.create(null);
|
||
}
|
||
|
||
on(eventName, listener, options = null) {
|
||
this._on(eventName, listener, {
|
||
external: true,
|
||
once: options?.once
|
||
});
|
||
}
|
||
|
||
off(eventName, listener, options = null) {
|
||
this._off(eventName, listener, {
|
||
external: true,
|
||
once: options?.once
|
||
});
|
||
}
|
||
|
||
dispatch(eventName, data) {
|
||
const eventListeners = this._listeners[eventName];
|
||
|
||
if (!eventListeners || eventListeners.length === 0) {
|
||
return;
|
||
}
|
||
|
||
let externalListeners;
|
||
|
||
for (const {
|
||
listener,
|
||
external,
|
||
once
|
||
} of eventListeners.slice(0)) {
|
||
if (once) {
|
||
this._off(eventName, listener);
|
||
}
|
||
|
||
if (external) {
|
||
(externalListeners ||= []).push(listener);
|
||
continue;
|
||
}
|
||
|
||
listener(data);
|
||
}
|
||
|
||
if (externalListeners) {
|
||
for (const listener of externalListeners) {
|
||
listener(data);
|
||
}
|
||
|
||
externalListeners = null;
|
||
}
|
||
}
|
||
|
||
_on(eventName, listener, options = null) {
|
||
const eventListeners = this._listeners[eventName] ||= [];
|
||
eventListeners.push({
|
||
listener,
|
||
external: options?.external === true,
|
||
once: options?.once === true
|
||
});
|
||
}
|
||
|
||
_off(eventName, listener, options = null) {
|
||
const eventListeners = this._listeners[eventName];
|
||
|
||
if (!eventListeners) {
|
||
return;
|
||
}
|
||
|
||
for (let i = 0, ii = eventListeners.length; i < ii; i++) {
|
||
if (eventListeners[i].listener === listener) {
|
||
eventListeners.splice(i, 1);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
exports.EventBus = EventBus;
|
||
|
||
class AutomationEventBus extends EventBus {
|
||
dispatch(eventName, data) {
|
||
throw new Error("Not implemented: AutomationEventBus.dispatch");
|
||
}
|
||
|
||
}
|
||
|
||
exports.AutomationEventBus = AutomationEventBus;
|
||
|
||
/***/ }),
|
||
/* 18 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.GenericL10n = void 0;
|
||
|
||
__w_pdfjs_require__(19);
|
||
|
||
var _l10n_utils = __w_pdfjs_require__(4);
|
||
|
||
const webL10n = document.webL10n;
|
||
|
||
class GenericL10n {
|
||
constructor(lang) {
|
||
this._lang = lang;
|
||
this._ready = new Promise((resolve, reject) => {
|
||
webL10n.setLanguage((0, _l10n_utils.fixupLangCode)(lang), () => {
|
||
resolve(webL10n);
|
||
});
|
||
});
|
||
}
|
||
|
||
async getLanguage() {
|
||
const l10n = await this._ready;
|
||
return l10n.getLanguage();
|
||
}
|
||
|
||
async getDirection() {
|
||
const l10n = await this._ready;
|
||
return l10n.getDirection();
|
||
}
|
||
|
||
async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) {
|
||
const l10n = await this._ready;
|
||
return l10n.get(key, args, fallback);
|
||
}
|
||
|
||
async translate(element) {
|
||
const l10n = await this._ready;
|
||
return l10n.translate(element);
|
||
}
|
||
|
||
}
|
||
|
||
exports.GenericL10n = GenericL10n;
|
||
|
||
/***/ }),
|
||
/* 19 */
|
||
/***/ (() => {
|
||
|
||
|
||
|
||
document.webL10n = function (window, document, undefined) {
|
||
var gL10nData = {};
|
||
var gTextData = '';
|
||
var gTextProp = 'textContent';
|
||
var gLanguage = '';
|
||
var gMacros = {};
|
||
var gReadyState = 'loading';
|
||
var gAsyncResourceLoading = true;
|
||
|
||
function getL10nResourceLinks() {
|
||
return document.querySelectorAll('link[type="application/l10n"]');
|
||
}
|
||
|
||
function getL10nDictionary() {
|
||
var script = document.querySelector('script[type="application/l10n"]');
|
||
return script ? JSON.parse(script.innerHTML) : null;
|
||
}
|
||
|
||
function getTranslatableChildren(element) {
|
||
return element ? element.querySelectorAll('*[data-l10n-id]') : [];
|
||
}
|
||
|
||
function getL10nAttributes(element) {
|
||
if (!element) return {};
|
||
var l10nId = element.getAttribute('data-l10n-id');
|
||
var l10nArgs = element.getAttribute('data-l10n-args');
|
||
var args = {};
|
||
|
||
if (l10nArgs) {
|
||
try {
|
||
args = JSON.parse(l10nArgs);
|
||
} catch (e) {
|
||
console.warn('could not parse arguments for #' + l10nId);
|
||
}
|
||
}
|
||
|
||
return {
|
||
id: l10nId,
|
||
args: args
|
||
};
|
||
}
|
||
|
||
function xhrLoadText(url, onSuccess, onFailure) {
|
||
onSuccess = onSuccess || function _onSuccess(data) {};
|
||
|
||
onFailure = onFailure || function _onFailure() {};
|
||
|
||
var xhr = new XMLHttpRequest();
|
||
xhr.open('GET', url, gAsyncResourceLoading);
|
||
|
||
if (xhr.overrideMimeType) {
|
||
xhr.overrideMimeType('text/plain; charset=utf-8');
|
||
}
|
||
|
||
xhr.onreadystatechange = function () {
|
||
if (xhr.readyState == 4) {
|
||
if (xhr.status == 200 || xhr.status === 0) {
|
||
onSuccess(xhr.responseText);
|
||
} else {
|
||
onFailure();
|
||
}
|
||
}
|
||
};
|
||
|
||
xhr.onerror = onFailure;
|
||
xhr.ontimeout = onFailure;
|
||
|
||
try {
|
||
xhr.send(null);
|
||
} catch (e) {
|
||
onFailure();
|
||
}
|
||
}
|
||
|
||
function parseResource(href, lang, successCallback, failureCallback) {
|
||
var baseURL = href.replace(/[^\/]*$/, '') || './';
|
||
|
||
function evalString(text) {
|
||
if (text.lastIndexOf('\\') < 0) return text;
|
||
return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
|
||
}
|
||
|
||
function parseProperties(text, parsedPropertiesCallback) {
|
||
var dictionary = {};
|
||
var reBlank = /^\s*|\s*$/;
|
||
var reComment = /^\s*#|^\s*$/;
|
||
var reSection = /^\s*\[(.*)\]\s*$/;
|
||
var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
|
||
var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
|
||
|
||
function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
|
||
var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
|
||
var currentLang = '*';
|
||
var genericLang = lang.split('-', 1)[0];
|
||
var skipLang = false;
|
||
var match = '';
|
||
|
||
function nextEntry() {
|
||
while (true) {
|
||
if (!entries.length) {
|
||
parsedRawLinesCallback();
|
||
return;
|
||
}
|
||
|
||
var line = entries.shift();
|
||
if (reComment.test(line)) continue;
|
||
|
||
if (extendedSyntax) {
|
||
match = reSection.exec(line);
|
||
|
||
if (match) {
|
||
currentLang = match[1].toLowerCase();
|
||
skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
|
||
continue;
|
||
} else if (skipLang) {
|
||
continue;
|
||
}
|
||
|
||
match = reImport.exec(line);
|
||
|
||
if (match) {
|
||
loadImport(baseURL + match[1], nextEntry);
|
||
return;
|
||
}
|
||
}
|
||
|
||
var tmp = line.match(reSplit);
|
||
|
||
if (tmp && tmp.length == 3) {
|
||
dictionary[tmp[1]] = evalString(tmp[2]);
|
||
}
|
||
}
|
||
}
|
||
|
||
nextEntry();
|
||
}
|
||
|
||
function loadImport(url, callback) {
|
||
xhrLoadText(url, function (content) {
|
||
parseRawLines(content, false, callback);
|
||
}, function () {
|
||
console.warn(url + ' not found.');
|
||
callback();
|
||
});
|
||
}
|
||
|
||
parseRawLines(text, true, function () {
|
||
parsedPropertiesCallback(dictionary);
|
||
});
|
||
}
|
||
|
||
xhrLoadText(href, function (response) {
|
||
gTextData += response;
|
||
parseProperties(response, function (data) {
|
||
for (var key in data) {
|
||
var id,
|
||
prop,
|
||
index = key.lastIndexOf('.');
|
||
|
||
if (index > 0) {
|
||
id = key.substring(0, index);
|
||
prop = key.substring(index + 1);
|
||
} else {
|
||
id = key;
|
||
prop = gTextProp;
|
||
}
|
||
|
||
if (!gL10nData[id]) {
|
||
gL10nData[id] = {};
|
||
}
|
||
|
||
gL10nData[id][prop] = data[key];
|
||
}
|
||
|
||
if (successCallback) {
|
||
successCallback();
|
||
}
|
||
});
|
||
}, failureCallback);
|
||
}
|
||
|
||
function loadLocale(lang, callback) {
|
||
if (lang) {
|
||
lang = lang.toLowerCase();
|
||
}
|
||
|
||
callback = callback || function _callback() {};
|
||
|
||
clear();
|
||
gLanguage = lang;
|
||
var langLinks = getL10nResourceLinks();
|
||
var langCount = langLinks.length;
|
||
|
||
if (langCount === 0) {
|
||
var dict = getL10nDictionary();
|
||
|
||
if (dict && dict.locales && dict.default_locale) {
|
||
console.log('using the embedded JSON directory, early way out');
|
||
gL10nData = dict.locales[lang];
|
||
|
||
if (!gL10nData) {
|
||
var defaultLocale = dict.default_locale.toLowerCase();
|
||
|
||
for (var anyCaseLang in dict.locales) {
|
||
anyCaseLang = anyCaseLang.toLowerCase();
|
||
|
||
if (anyCaseLang === lang) {
|
||
gL10nData = dict.locales[lang];
|
||
break;
|
||
} else if (anyCaseLang === defaultLocale) {
|
||
gL10nData = dict.locales[defaultLocale];
|
||
}
|
||
}
|
||
}
|
||
|
||
callback();
|
||
} else {
|
||
console.log('no resource to load, early way out');
|
||
}
|
||
|
||
gReadyState = 'complete';
|
||
return;
|
||
}
|
||
|
||
var onResourceLoaded = null;
|
||
var gResourceCount = 0;
|
||
|
||
onResourceLoaded = function () {
|
||
gResourceCount++;
|
||
|
||
if (gResourceCount >= langCount) {
|
||
callback();
|
||
gReadyState = 'complete';
|
||
}
|
||
};
|
||
|
||
function L10nResourceLink(link) {
|
||
var href = link.href;
|
||
|
||
this.load = function (lang, callback) {
|
||
parseResource(href, lang, callback, function () {
|
||
console.warn(href + ' not found.');
|
||
console.warn('"' + lang + '" resource not found');
|
||
gLanguage = '';
|
||
callback();
|
||
});
|
||
};
|
||
}
|
||
|
||
for (var i = 0; i < langCount; i++) {
|
||
var resource = new L10nResourceLink(langLinks[i]);
|
||
resource.load(lang, onResourceLoaded);
|
||
}
|
||
}
|
||
|
||
function clear() {
|
||
gL10nData = {};
|
||
gTextData = '';
|
||
gLanguage = '';
|
||
}
|
||
|
||
function getPluralRules(lang) {
|
||
var locales2rules = {
|
||
'af': 3,
|
||
'ak': 4,
|
||
'am': 4,
|
||
'ar': 1,
|
||
'asa': 3,
|
||
'az': 0,
|
||
'be': 11,
|
||
'bem': 3,
|
||
'bez': 3,
|
||
'bg': 3,
|
||
'bh': 4,
|
||
'bm': 0,
|
||
'bn': 3,
|
||
'bo': 0,
|
||
'br': 20,
|
||
'brx': 3,
|
||
'bs': 11,
|
||
'ca': 3,
|
||
'cgg': 3,
|
||
'chr': 3,
|
||
'cs': 12,
|
||
'cy': 17,
|
||
'da': 3,
|
||
'de': 3,
|
||
'dv': 3,
|
||
'dz': 0,
|
||
'ee': 3,
|
||
'el': 3,
|
||
'en': 3,
|
||
'eo': 3,
|
||
'es': 3,
|
||
'et': 3,
|
||
'eu': 3,
|
||
'fa': 0,
|
||
'ff': 5,
|
||
'fi': 3,
|
||
'fil': 4,
|
||
'fo': 3,
|
||
'fr': 5,
|
||
'fur': 3,
|
||
'fy': 3,
|
||
'ga': 8,
|
||
'gd': 24,
|
||
'gl': 3,
|
||
'gsw': 3,
|
||
'gu': 3,
|
||
'guw': 4,
|
||
'gv': 23,
|
||
'ha': 3,
|
||
'haw': 3,
|
||
'he': 2,
|
||
'hi': 4,
|
||
'hr': 11,
|
||
'hu': 0,
|
||
'id': 0,
|
||
'ig': 0,
|
||
'ii': 0,
|
||
'is': 3,
|
||
'it': 3,
|
||
'iu': 7,
|
||
'ja': 0,
|
||
'jmc': 3,
|
||
'jv': 0,
|
||
'ka': 0,
|
||
'kab': 5,
|
||
'kaj': 3,
|
||
'kcg': 3,
|
||
'kde': 0,
|
||
'kea': 0,
|
||
'kk': 3,
|
||
'kl': 3,
|
||
'km': 0,
|
||
'kn': 0,
|
||
'ko': 0,
|
||
'ksb': 3,
|
||
'ksh': 21,
|
||
'ku': 3,
|
||
'kw': 7,
|
||
'lag': 18,
|
||
'lb': 3,
|
||
'lg': 3,
|
||
'ln': 4,
|
||
'lo': 0,
|
||
'lt': 10,
|
||
'lv': 6,
|
||
'mas': 3,
|
||
'mg': 4,
|
||
'mk': 16,
|
||
'ml': 3,
|
||
'mn': 3,
|
||
'mo': 9,
|
||
'mr': 3,
|
||
'ms': 0,
|
||
'mt': 15,
|
||
'my': 0,
|
||
'nah': 3,
|
||
'naq': 7,
|
||
'nb': 3,
|
||
'nd': 3,
|
||
'ne': 3,
|
||
'nl': 3,
|
||
'nn': 3,
|
||
'no': 3,
|
||
'nr': 3,
|
||
'nso': 4,
|
||
'ny': 3,
|
||
'nyn': 3,
|
||
'om': 3,
|
||
'or': 3,
|
||
'pa': 3,
|
||
'pap': 3,
|
||
'pl': 13,
|
||
'ps': 3,
|
||
'pt': 3,
|
||
'rm': 3,
|
||
'ro': 9,
|
||
'rof': 3,
|
||
'ru': 11,
|
||
'rwk': 3,
|
||
'sah': 0,
|
||
'saq': 3,
|
||
'se': 7,
|
||
'seh': 3,
|
||
'ses': 0,
|
||
'sg': 0,
|
||
'sh': 11,
|
||
'shi': 19,
|
||
'sk': 12,
|
||
'sl': 14,
|
||
'sma': 7,
|
||
'smi': 7,
|
||
'smj': 7,
|
||
'smn': 7,
|
||
'sms': 7,
|
||
'sn': 3,
|
||
'so': 3,
|
||
'sq': 3,
|
||
'sr': 11,
|
||
'ss': 3,
|
||
'ssy': 3,
|
||
'st': 3,
|
||
'sv': 3,
|
||
'sw': 3,
|
||
'syr': 3,
|
||
'ta': 3,
|
||
'te': 3,
|
||
'teo': 3,
|
||
'th': 0,
|
||
'ti': 4,
|
||
'tig': 3,
|
||
'tk': 3,
|
||
'tl': 4,
|
||
'tn': 3,
|
||
'to': 0,
|
||
'tr': 0,
|
||
'ts': 3,
|
||
'tzm': 22,
|
||
'uk': 11,
|
||
'ur': 3,
|
||
've': 3,
|
||
'vi': 0,
|
||
'vun': 3,
|
||
'wa': 4,
|
||
'wae': 3,
|
||
'wo': 0,
|
||
'xh': 3,
|
||
'xog': 3,
|
||
'yo': 0,
|
||
'zh': 0,
|
||
'zu': 3
|
||
};
|
||
|
||
function isIn(n, list) {
|
||
return list.indexOf(n) !== -1;
|
||
}
|
||
|
||
function isBetween(n, start, end) {
|
||
return start <= n && n <= end;
|
||
}
|
||
|
||
var pluralRules = {
|
||
'0': function (n) {
|
||
return 'other';
|
||
},
|
||
'1': function (n) {
|
||
if (isBetween(n % 100, 3, 10)) return 'few';
|
||
if (n === 0) return 'zero';
|
||
if (isBetween(n % 100, 11, 99)) return 'many';
|
||
if (n == 2) return 'two';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'2': function (n) {
|
||
if (n !== 0 && n % 10 === 0) return 'many';
|
||
if (n == 2) return 'two';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'3': function (n) {
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'4': function (n) {
|
||
if (isBetween(n, 0, 1)) return 'one';
|
||
return 'other';
|
||
},
|
||
'5': function (n) {
|
||
if (isBetween(n, 0, 2) && n != 2) return 'one';
|
||
return 'other';
|
||
},
|
||
'6': function (n) {
|
||
if (n === 0) return 'zero';
|
||
if (n % 10 == 1 && n % 100 != 11) return 'one';
|
||
return 'other';
|
||
},
|
||
'7': function (n) {
|
||
if (n == 2) return 'two';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'8': function (n) {
|
||
if (isBetween(n, 3, 6)) return 'few';
|
||
if (isBetween(n, 7, 10)) return 'many';
|
||
if (n == 2) return 'two';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'9': function (n) {
|
||
if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'10': function (n) {
|
||
if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
|
||
if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
|
||
return 'other';
|
||
},
|
||
'11': function (n) {
|
||
if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
|
||
if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
|
||
if (n % 10 == 1 && n % 100 != 11) return 'one';
|
||
return 'other';
|
||
},
|
||
'12': function (n) {
|
||
if (isBetween(n, 2, 4)) return 'few';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'13': function (n) {
|
||
if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
|
||
if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'14': function (n) {
|
||
if (isBetween(n % 100, 3, 4)) return 'few';
|
||
if (n % 100 == 2) return 'two';
|
||
if (n % 100 == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'15': function (n) {
|
||
if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
|
||
if (isBetween(n % 100, 11, 19)) return 'many';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'16': function (n) {
|
||
if (n % 10 == 1 && n != 11) return 'one';
|
||
return 'other';
|
||
},
|
||
'17': function (n) {
|
||
if (n == 3) return 'few';
|
||
if (n === 0) return 'zero';
|
||
if (n == 6) return 'many';
|
||
if (n == 2) return 'two';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'18': function (n) {
|
||
if (n === 0) return 'zero';
|
||
if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
|
||
return 'other';
|
||
},
|
||
'19': function (n) {
|
||
if (isBetween(n, 2, 10)) return 'few';
|
||
if (isBetween(n, 0, 1)) return 'one';
|
||
return 'other';
|
||
},
|
||
'20': function (n) {
|
||
if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
|
||
if (n % 1000000 === 0 && n !== 0) return 'many';
|
||
if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
|
||
if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
|
||
return 'other';
|
||
},
|
||
'21': function (n) {
|
||
if (n === 0) return 'zero';
|
||
if (n == 1) return 'one';
|
||
return 'other';
|
||
},
|
||
'22': function (n) {
|
||
if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
|
||
return 'other';
|
||
},
|
||
'23': function (n) {
|
||
if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
|
||
return 'other';
|
||
},
|
||
'24': function (n) {
|
||
if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
|
||
if (isIn(n, [2, 12])) return 'two';
|
||
if (isIn(n, [1, 11])) return 'one';
|
||
return 'other';
|
||
}
|
||
};
|
||
var index = locales2rules[lang.replace(/-.*$/, '')];
|
||
|
||
if (!(index in pluralRules)) {
|
||
console.warn('plural form unknown for [' + lang + ']');
|
||
return function () {
|
||
return 'other';
|
||
};
|
||
}
|
||
|
||
return pluralRules[index];
|
||
}
|
||
|
||
gMacros.plural = function (str, param, key, prop) {
|
||
var n = parseFloat(param);
|
||
if (isNaN(n)) return str;
|
||
if (prop != gTextProp) return str;
|
||
|
||
if (!gMacros._pluralRules) {
|
||
gMacros._pluralRules = getPluralRules(gLanguage);
|
||
}
|
||
|
||
var index = '[' + gMacros._pluralRules(n) + ']';
|
||
|
||
if (n === 0 && key + '[zero]' in gL10nData) {
|
||
str = gL10nData[key + '[zero]'][prop];
|
||
} else if (n == 1 && key + '[one]' in gL10nData) {
|
||
str = gL10nData[key + '[one]'][prop];
|
||
} else if (n == 2 && key + '[two]' in gL10nData) {
|
||
str = gL10nData[key + '[two]'][prop];
|
||
} else if (key + index in gL10nData) {
|
||
str = gL10nData[key + index][prop];
|
||
} else if (key + '[other]' in gL10nData) {
|
||
str = gL10nData[key + '[other]'][prop];
|
||
}
|
||
|
||
return str;
|
||
};
|
||
|
||
function getL10nData(key, args, fallback) {
|
||
var data = gL10nData[key];
|
||
|
||
if (!data) {
|
||
console.warn('#' + key + ' is undefined.');
|
||
|
||
if (!fallback) {
|
||
return null;
|
||
}
|
||
|
||
data = fallback;
|
||
}
|
||
|
||
var rv = {};
|
||
|
||
for (var prop in data) {
|
||
var str = data[prop];
|
||
str = substIndexes(str, args, key, prop);
|
||
str = substArguments(str, args, key);
|
||
rv[prop] = str;
|
||
}
|
||
|
||
return rv;
|
||
}
|
||
|
||
function substIndexes(str, args, key, prop) {
|
||
var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
|
||
var reMatch = reIndex.exec(str);
|
||
if (!reMatch || !reMatch.length) return str;
|
||
var macroName = reMatch[1];
|
||
var paramName = reMatch[2];
|
||
var param;
|
||
|
||
if (args && paramName in args) {
|
||
param = args[paramName];
|
||
} else if (paramName in gL10nData) {
|
||
param = gL10nData[paramName];
|
||
}
|
||
|
||
if (macroName in gMacros) {
|
||
var macro = gMacros[macroName];
|
||
str = macro(str, param, key, prop);
|
||
}
|
||
|
||
return str;
|
||
}
|
||
|
||
function substArguments(str, args, key) {
|
||
var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
|
||
return str.replace(reArgs, function (matched_text, arg) {
|
||
if (args && arg in args) {
|
||
return args[arg];
|
||
}
|
||
|
||
if (arg in gL10nData) {
|
||
return gL10nData[arg];
|
||
}
|
||
|
||
console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
|
||
return matched_text;
|
||
});
|
||
}
|
||
|
||
function translateElement(element) {
|
||
var l10n = getL10nAttributes(element);
|
||
if (!l10n.id) return;
|
||
var data = getL10nData(l10n.id, l10n.args);
|
||
|
||
if (!data) {
|
||
console.warn('#' + l10n.id + ' is undefined.');
|
||
return;
|
||
}
|
||
|
||
if (data[gTextProp]) {
|
||
if (getChildElementCount(element) === 0) {
|
||
element[gTextProp] = data[gTextProp];
|
||
} else {
|
||
var children = element.childNodes;
|
||
var found = false;
|
||
|
||
for (var i = 0, l = children.length; i < l; i++) {
|
||
if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
|
||
if (found) {
|
||
children[i].nodeValue = '';
|
||
} else {
|
||
children[i].nodeValue = data[gTextProp];
|
||
found = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!found) {
|
||
var textNode = document.createTextNode(data[gTextProp]);
|
||
element.insertBefore(textNode, element.firstChild);
|
||
}
|
||
}
|
||
|
||
delete data[gTextProp];
|
||
}
|
||
|
||
for (var k in data) {
|
||
element[k] = data[k];
|
||
}
|
||
}
|
||
|
||
function getChildElementCount(element) {
|
||
if (element.children) {
|
||
return element.children.length;
|
||
}
|
||
|
||
if (typeof element.childElementCount !== 'undefined') {
|
||
return element.childElementCount;
|
||
}
|
||
|
||
var count = 0;
|
||
|
||
for (var i = 0; i < element.childNodes.length; i++) {
|
||
count += element.nodeType === 1 ? 1 : 0;
|
||
}
|
||
|
||
return count;
|
||
}
|
||
|
||
function translateFragment(element) {
|
||
element = element || document.documentElement;
|
||
var children = getTranslatableChildren(element);
|
||
var elementCount = children.length;
|
||
|
||
for (var i = 0; i < elementCount; i++) {
|
||
translateElement(children[i]);
|
||
}
|
||
|
||
translateElement(element);
|
||
}
|
||
|
||
return {
|
||
get: function (key, args, fallbackString) {
|
||
var index = key.lastIndexOf('.');
|
||
var prop = gTextProp;
|
||
|
||
if (index > 0) {
|
||
prop = key.substring(index + 1);
|
||
key = key.substring(0, index);
|
||
}
|
||
|
||
var fallback;
|
||
|
||
if (fallbackString) {
|
||
fallback = {};
|
||
fallback[prop] = fallbackString;
|
||
}
|
||
|
||
var data = getL10nData(key, args, fallback);
|
||
|
||
if (data && prop in data) {
|
||
return data[prop];
|
||
}
|
||
|
||
return '{{' + key + '}}';
|
||
},
|
||
getData: function () {
|
||
return gL10nData;
|
||
},
|
||
getText: function () {
|
||
return gTextData;
|
||
},
|
||
getLanguage: function () {
|
||
return gLanguage;
|
||
},
|
||
setLanguage: function (lang, callback) {
|
||
loadLocale(lang, function () {
|
||
if (callback) callback();
|
||
});
|
||
},
|
||
getDirection: function () {
|
||
var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
|
||
var shortCode = gLanguage.split('-', 1)[0];
|
||
return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
|
||
},
|
||
translate: translateFragment,
|
||
getReadyState: function () {
|
||
return gReadyState;
|
||
},
|
||
ready: function (callback) {
|
||
if (!callback) {
|
||
return;
|
||
} else if (gReadyState == 'complete' || gReadyState == 'interactive') {
|
||
window.setTimeout(function () {
|
||
callback();
|
||
});
|
||
} else if (document.addEventListener) {
|
||
document.addEventListener('localized', function once() {
|
||
document.removeEventListener('localized', once);
|
||
callback();
|
||
});
|
||
}
|
||
}
|
||
};
|
||
}(window, document);
|
||
|
||
/***/ }),
|
||
/* 20 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PDFFindController = exports.FindState = void 0;
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
var _pdf_find_utils = __w_pdfjs_require__(21);
|
||
|
||
const FindState = {
|
||
FOUND: 0,
|
||
NOT_FOUND: 1,
|
||
WRAPPED: 2,
|
||
PENDING: 3
|
||
};
|
||
exports.FindState = FindState;
|
||
const FIND_TIMEOUT = 250;
|
||
const MATCH_SCROLL_OFFSET_TOP = -200;
|
||
const MATCH_SCROLL_OFFSET_LEFT = -400;
|
||
const CHARACTERS_TO_NORMALIZE = {
|
||
"\u2010": "-",
|
||
"\u2018": "'",
|
||
"\u2019": "'",
|
||
"\u201A": "'",
|
||
"\u201B": "'",
|
||
"\u201C": '"',
|
||
"\u201D": '"',
|
||
"\u201E": '"',
|
||
"\u201F": '"',
|
||
"\u00BC": "1/4",
|
||
"\u00BD": "1/2",
|
||
"\u00BE": "3/4"
|
||
};
|
||
const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]);
|
||
const DIACRITICS_EXCEPTION_STR = [...DIACRITICS_EXCEPTION.values()].map(x => String.fromCharCode(x)).join("");
|
||
const DIACRITICS_REG_EXP = /\p{M}+/gu;
|
||
const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
|
||
const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
|
||
const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
|
||
let normalizationRegex = null;
|
||
|
||
function normalize(text) {
|
||
if (!normalizationRegex) {
|
||
const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
|
||
normalizationRegex = new RegExp(`([${replace}])|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(\\n)`, "gum");
|
||
}
|
||
|
||
const rawDiacriticsPositions = [];
|
||
let m;
|
||
|
||
while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
|
||
rawDiacriticsPositions.push([m[0].length, m.index]);
|
||
}
|
||
|
||
let normalized = text.normalize("NFD");
|
||
const positions = [[0, 0]];
|
||
let k = 0;
|
||
let shift = 0;
|
||
let shiftOrigin = 0;
|
||
let eol = 0;
|
||
let hasDiacritics = false;
|
||
normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, i) => {
|
||
i -= shiftOrigin;
|
||
|
||
if (p1) {
|
||
const replacement = CHARACTERS_TO_NORMALIZE[match];
|
||
const jj = replacement.length;
|
||
|
||
for (let j = 1; j < jj; j++) {
|
||
positions.push([i - shift + j, shift - j]);
|
||
}
|
||
|
||
shift -= jj - 1;
|
||
return replacement;
|
||
}
|
||
|
||
if (p2) {
|
||
const hasTrailingDashEOL = p2.endsWith("\n");
|
||
const len = hasTrailingDashEOL ? p2.length - 2 : p2.length;
|
||
hasDiacritics = true;
|
||
let jj = len;
|
||
|
||
if (i + eol === rawDiacriticsPositions[k]?.[1]) {
|
||
jj -= rawDiacriticsPositions[k][0];
|
||
++k;
|
||
}
|
||
|
||
for (let j = 1; j < jj + 1; j++) {
|
||
positions.push([i - 1 - shift + j, shift - j]);
|
||
}
|
||
|
||
shift -= jj;
|
||
shiftOrigin += jj;
|
||
|
||
if (hasTrailingDashEOL) {
|
||
i += len - 1;
|
||
positions.push([i - shift + 1, 1 + shift]);
|
||
shift += 1;
|
||
shiftOrigin += 1;
|
||
eol += 1;
|
||
return p2.slice(0, len);
|
||
}
|
||
|
||
return p2;
|
||
}
|
||
|
||
if (p3) {
|
||
positions.push([i - shift + 1, 1 + shift]);
|
||
shift += 1;
|
||
shiftOrigin += 1;
|
||
eol += 1;
|
||
return p3.charAt(0);
|
||
}
|
||
|
||
positions.push([i - shift + 1, shift - 1]);
|
||
shift -= 1;
|
||
shiftOrigin += 1;
|
||
eol += 1;
|
||
return " ";
|
||
});
|
||
positions.push([normalized.length, shift]);
|
||
return [normalized, positions, hasDiacritics];
|
||
}
|
||
|
||
function getOriginalIndex(diffs, pos, len) {
|
||
if (!diffs) {
|
||
return [pos, len];
|
||
}
|
||
|
||
const start = pos;
|
||
const end = pos + len;
|
||
let i = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= start);
|
||
|
||
if (diffs[i][0] > start) {
|
||
--i;
|
||
}
|
||
|
||
let j = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= end, i);
|
||
|
||
if (diffs[j][0] > end) {
|
||
--j;
|
||
}
|
||
|
||
return [start + diffs[i][1], len + diffs[j][1] - diffs[i][1]];
|
||
}
|
||
|
||
class PDFFindController {
|
||
constructor({
|
||
linkService,
|
||
eventBus
|
||
}) {
|
||
this._linkService = linkService;
|
||
this._eventBus = eventBus;
|
||
this.#reset();
|
||
|
||
eventBus._on("find", this.#onFind.bind(this));
|
||
|
||
eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
|
||
}
|
||
|
||
get highlightMatches() {
|
||
return this._highlightMatches;
|
||
}
|
||
|
||
get pageMatches() {
|
||
return this._pageMatches;
|
||
}
|
||
|
||
get pageMatchesLength() {
|
||
return this._pageMatchesLength;
|
||
}
|
||
|
||
get selected() {
|
||
return this._selected;
|
||
}
|
||
|
||
get state() {
|
||
return this._state;
|
||
}
|
||
|
||
setDocument(pdfDocument) {
|
||
if (this._pdfDocument) {
|
||
this.#reset();
|
||
}
|
||
|
||
if (!pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
this._pdfDocument = pdfDocument;
|
||
|
||
this._firstPageCapability.resolve();
|
||
}
|
||
|
||
#onFind(state) {
|
||
if (!state) {
|
||
return;
|
||
}
|
||
|
||
const pdfDocument = this._pdfDocument;
|
||
const {
|
||
type
|
||
} = state;
|
||
|
||
if (this._state === null || this.#shouldDirtyMatch(state)) {
|
||
this._dirtyMatch = true;
|
||
}
|
||
|
||
this._state = state;
|
||
|
||
if (type !== "highlightallchange") {
|
||
this.#updateUIState(FindState.PENDING);
|
||
}
|
||
|
||
this._firstPageCapability.promise.then(() => {
|
||
if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
this.#extractText();
|
||
const findbarClosed = !this._highlightMatches;
|
||
const pendingTimeout = !!this._findTimeout;
|
||
|
||
if (this._findTimeout) {
|
||
clearTimeout(this._findTimeout);
|
||
this._findTimeout = null;
|
||
}
|
||
|
||
if (!type) {
|
||
this._findTimeout = setTimeout(() => {
|
||
this.#nextMatch();
|
||
this._findTimeout = null;
|
||
}, FIND_TIMEOUT);
|
||
} else if (this._dirtyMatch) {
|
||
this.#nextMatch();
|
||
} else if (type === "again") {
|
||
this.#nextMatch();
|
||
|
||
if (findbarClosed && this._state.highlightAll) {
|
||
this.#updateAllPages();
|
||
}
|
||
} else if (type === "highlightallchange") {
|
||
if (pendingTimeout) {
|
||
this.#nextMatch();
|
||
} else {
|
||
this._highlightMatches = true;
|
||
}
|
||
|
||
this.#updateAllPages();
|
||
} else {
|
||
this.#nextMatch();
|
||
}
|
||
});
|
||
}
|
||
|
||
scrollMatchIntoView({
|
||
element = null,
|
||
selectedLeft = 0,
|
||
pageIndex = -1,
|
||
matchIndex = -1
|
||
}) {
|
||
if (!this._scrollMatches || !element) {
|
||
return;
|
||
} else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
|
||
return;
|
||
} else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
|
||
return;
|
||
}
|
||
|
||
this._scrollMatches = false;
|
||
const spot = {
|
||
top: MATCH_SCROLL_OFFSET_TOP,
|
||
left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT
|
||
};
|
||
(0, _ui_utils.scrollIntoView)(element, spot, true);
|
||
}
|
||
|
||
#reset() {
|
||
this._highlightMatches = false;
|
||
this._scrollMatches = false;
|
||
this._pdfDocument = null;
|
||
this._pageMatches = [];
|
||
this._pageMatchesLength = [];
|
||
this._state = null;
|
||
this._selected = {
|
||
pageIdx: -1,
|
||
matchIdx: -1
|
||
};
|
||
this._offset = {
|
||
pageIdx: null,
|
||
matchIdx: null,
|
||
wrapped: false
|
||
};
|
||
this._extractTextPromises = [];
|
||
this._pageContents = [];
|
||
this._pageDiffs = [];
|
||
this._hasDiacritics = [];
|
||
this._matchesCountTotal = 0;
|
||
this._pagesToSearch = null;
|
||
this._pendingFindMatches = new Set();
|
||
this._resumePageIdx = null;
|
||
this._dirtyMatch = false;
|
||
clearTimeout(this._findTimeout);
|
||
this._findTimeout = null;
|
||
this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
}
|
||
|
||
get #query() {
|
||
if (this._state.query !== this._rawQuery) {
|
||
this._rawQuery = this._state.query;
|
||
[this._normalizedQuery] = normalize(this._state.query);
|
||
}
|
||
|
||
return this._normalizedQuery;
|
||
}
|
||
|
||
#shouldDirtyMatch(state) {
|
||
if (state.query !== this._state.query) {
|
||
return true;
|
||
}
|
||
|
||
switch (state.type) {
|
||
case "again":
|
||
const pageNumber = this._selected.pageIdx + 1;
|
||
const linkService = this._linkService;
|
||
|
||
if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
|
||
case "highlightallchange":
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
#isEntireWord(content, startIdx, length) {
|
||
let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP);
|
||
|
||
if (match) {
|
||
const first = content.charCodeAt(startIdx);
|
||
const limit = match[1].charCodeAt(0);
|
||
|
||
if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP);
|
||
|
||
if (match) {
|
||
const last = content.charCodeAt(startIdx + length - 1);
|
||
const limit = match[1].charCodeAt(0);
|
||
|
||
if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
#calculateRegExpMatch(query, entireWord, pageIndex, pageContent) {
|
||
const matches = [],
|
||
matchesLength = [];
|
||
const diffs = this._pageDiffs[pageIndex];
|
||
let match;
|
||
|
||
while ((match = query.exec(pageContent)) !== null) {
|
||
if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) {
|
||
continue;
|
||
}
|
||
|
||
const [matchPos, matchLen] = getOriginalIndex(diffs, match.index, match[0].length);
|
||
|
||
if (matchLen) {
|
||
matches.push(matchPos);
|
||
matchesLength.push(matchLen);
|
||
}
|
||
}
|
||
|
||
this._pageMatches[pageIndex] = matches;
|
||
this._pageMatchesLength[pageIndex] = matchesLength;
|
||
}
|
||
|
||
#convertToRegExpString(query, hasDiacritics) {
|
||
const {
|
||
matchDiacritics
|
||
} = this._state;
|
||
let isUnicode = false;
|
||
query = query.replace(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => {
|
||
if (p1) {
|
||
return `[ ]*\\${p1}[ ]*`;
|
||
}
|
||
|
||
if (p2) {
|
||
return `[ ]*${p2}[ ]*`;
|
||
}
|
||
|
||
if (p3) {
|
||
return "[ ]+";
|
||
}
|
||
|
||
if (matchDiacritics) {
|
||
return p4 || p5;
|
||
}
|
||
|
||
if (p4) {
|
||
return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
|
||
}
|
||
|
||
if (hasDiacritics) {
|
||
isUnicode = true;
|
||
return `${p5}\\p{M}*`;
|
||
}
|
||
|
||
return p5;
|
||
});
|
||
const trailingSpaces = "[ ]*";
|
||
|
||
if (query.endsWith(trailingSpaces)) {
|
||
query = query.slice(0, query.length - trailingSpaces.length);
|
||
}
|
||
|
||
if (matchDiacritics) {
|
||
if (hasDiacritics) {
|
||
isUnicode = true;
|
||
query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
|
||
}
|
||
}
|
||
|
||
return [isUnicode, query];
|
||
}
|
||
|
||
#calculateMatch(pageIndex) {
|
||
let query = this.#query;
|
||
|
||
if (query.length === 0) {
|
||
return;
|
||
}
|
||
|
||
const {
|
||
caseSensitive,
|
||
entireWord,
|
||
phraseSearch
|
||
} = this._state;
|
||
const pageContent = this._pageContents[pageIndex];
|
||
const hasDiacritics = this._hasDiacritics[pageIndex];
|
||
let isUnicode = false;
|
||
|
||
if (phraseSearch) {
|
||
[isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics);
|
||
} else {
|
||
const match = query.match(/\S+/g);
|
||
|
||
if (match) {
|
||
query = match.sort().reverse().map(q => {
|
||
const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics);
|
||
isUnicode ||= isUnicodePart;
|
||
return `(${queryPart})`;
|
||
}).join("|");
|
||
}
|
||
}
|
||
|
||
const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
|
||
query = new RegExp(query, flags);
|
||
this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent);
|
||
|
||
if (this._state.highlightAll) {
|
||
this.#updatePage(pageIndex);
|
||
}
|
||
|
||
if (this._resumePageIdx === pageIndex) {
|
||
this._resumePageIdx = null;
|
||
this.#nextPageMatch();
|
||
}
|
||
|
||
const pageMatchesCount = this._pageMatches[pageIndex].length;
|
||
|
||
if (pageMatchesCount > 0) {
|
||
this._matchesCountTotal += pageMatchesCount;
|
||
this.#updateUIResultsCount();
|
||
}
|
||
}
|
||
|
||
#extractText() {
|
||
if (this._extractTextPromises.length > 0) {
|
||
return;
|
||
}
|
||
|
||
let promise = Promise.resolve();
|
||
|
||
for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
|
||
const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
this._extractTextPromises[i] = extractTextCapability.promise;
|
||
promise = promise.then(() => {
|
||
return this._pdfDocument.getPage(i + 1).then(pdfPage => {
|
||
return pdfPage.getTextContent();
|
||
}).then(textContent => {
|
||
const strBuf = [];
|
||
|
||
for (const textItem of textContent.items) {
|
||
strBuf.push(textItem.str);
|
||
|
||
if (textItem.hasEOL) {
|
||
strBuf.push("\n");
|
||
}
|
||
}
|
||
|
||
[this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join(""));
|
||
extractTextCapability.resolve();
|
||
}, reason => {
|
||
console.error(`Unable to get text content for page ${i + 1}`, reason);
|
||
this._pageContents[i] = "";
|
||
this._pageDiffs[i] = null;
|
||
this._hasDiacritics[i] = false;
|
||
extractTextCapability.resolve();
|
||
});
|
||
});
|
||
}
|
||
}
|
||
|
||
#updatePage(index) {
|
||
if (this._scrollMatches && this._selected.pageIdx === index) {
|
||
this._linkService.page = index + 1;
|
||
}
|
||
|
||
this._eventBus.dispatch("updatetextlayermatches", {
|
||
source: this,
|
||
pageIndex: index
|
||
});
|
||
}
|
||
|
||
#updateAllPages() {
|
||
this._eventBus.dispatch("updatetextlayermatches", {
|
||
source: this,
|
||
pageIndex: -1
|
||
});
|
||
}
|
||
|
||
#nextMatch() {
|
||
const previous = this._state.findPrevious;
|
||
const currentPageIndex = this._linkService.page - 1;
|
||
const numPages = this._linkService.pagesCount;
|
||
this._highlightMatches = true;
|
||
|
||
if (this._dirtyMatch) {
|
||
this._dirtyMatch = false;
|
||
this._selected.pageIdx = this._selected.matchIdx = -1;
|
||
this._offset.pageIdx = currentPageIndex;
|
||
this._offset.matchIdx = null;
|
||
this._offset.wrapped = false;
|
||
this._resumePageIdx = null;
|
||
this._pageMatches.length = 0;
|
||
this._pageMatchesLength.length = 0;
|
||
this._matchesCountTotal = 0;
|
||
this.#updateAllPages();
|
||
|
||
for (let i = 0; i < numPages; i++) {
|
||
if (this._pendingFindMatches.has(i)) {
|
||
continue;
|
||
}
|
||
|
||
this._pendingFindMatches.add(i);
|
||
|
||
this._extractTextPromises[i].then(() => {
|
||
this._pendingFindMatches.delete(i);
|
||
|
||
this.#calculateMatch(i);
|
||
});
|
||
}
|
||
}
|
||
|
||
if (this.#query === "") {
|
||
this.#updateUIState(FindState.FOUND);
|
||
return;
|
||
}
|
||
|
||
if (this._resumePageIdx) {
|
||
return;
|
||
}
|
||
|
||
const offset = this._offset;
|
||
this._pagesToSearch = numPages;
|
||
|
||
if (offset.matchIdx !== null) {
|
||
const numPageMatches = this._pageMatches[offset.pageIdx].length;
|
||
|
||
if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
|
||
offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
|
||
this.#updateMatch(true);
|
||
return;
|
||
}
|
||
|
||
this.#advanceOffsetPage(previous);
|
||
}
|
||
|
||
this.#nextPageMatch();
|
||
}
|
||
|
||
#matchesReady(matches) {
|
||
const offset = this._offset;
|
||
const numMatches = matches.length;
|
||
const previous = this._state.findPrevious;
|
||
|
||
if (numMatches) {
|
||
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;
|
||
}
|
||
|
||
#nextPageMatch() {
|
||
if (this._resumePageIdx !== null) {
|
||
console.error("There can only be one pending page.");
|
||
}
|
||
|
||
let matches = null;
|
||
|
||
do {
|
||
const pageIdx = this._offset.pageIdx;
|
||
matches = this._pageMatches[pageIdx];
|
||
|
||
if (!matches) {
|
||
this._resumePageIdx = pageIdx;
|
||
break;
|
||
}
|
||
} while (!this.#matchesReady(matches));
|
||
}
|
||
|
||
#advanceOffsetPage(previous) {
|
||
const offset = this._offset;
|
||
const numPages = this._linkService.pagesCount;
|
||
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(found = false) {
|
||
let state = FindState.NOT_FOUND;
|
||
const wrapped = this._offset.wrapped;
|
||
this._offset.wrapped = false;
|
||
|
||
if (found) {
|
||
const previousPage = this._selected.pageIdx;
|
||
this._selected.pageIdx = this._offset.pageIdx;
|
||
this._selected.matchIdx = this._offset.matchIdx;
|
||
state = wrapped ? FindState.WRAPPED : FindState.FOUND;
|
||
|
||
if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
|
||
this.#updatePage(previousPage);
|
||
}
|
||
}
|
||
|
||
this.#updateUIState(state, this._state.findPrevious);
|
||
|
||
if (this._selected.pageIdx !== -1) {
|
||
this._scrollMatches = true;
|
||
this.#updatePage(this._selected.pageIdx);
|
||
}
|
||
}
|
||
|
||
#onFindBarClose(evt) {
|
||
const pdfDocument = this._pdfDocument;
|
||
|
||
this._firstPageCapability.promise.then(() => {
|
||
if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
if (this._findTimeout) {
|
||
clearTimeout(this._findTimeout);
|
||
this._findTimeout = null;
|
||
}
|
||
|
||
if (this._resumePageIdx) {
|
||
this._resumePageIdx = null;
|
||
this._dirtyMatch = true;
|
||
}
|
||
|
||
this.#updateUIState(FindState.FOUND);
|
||
this._highlightMatches = false;
|
||
this.#updateAllPages();
|
||
});
|
||
}
|
||
|
||
#requestMatchesCount() {
|
||
const {
|
||
pageIdx,
|
||
matchIdx
|
||
} = this._selected;
|
||
let current = 0,
|
||
total = this._matchesCountTotal;
|
||
|
||
if (matchIdx !== -1) {
|
||
for (let i = 0; i < pageIdx; i++) {
|
||
current += this._pageMatches[i]?.length || 0;
|
||
}
|
||
|
||
current += matchIdx + 1;
|
||
}
|
||
|
||
if (current < 1 || current > total) {
|
||
current = total = 0;
|
||
}
|
||
|
||
return {
|
||
current,
|
||
total
|
||
};
|
||
}
|
||
|
||
#updateUIResultsCount() {
|
||
this._eventBus.dispatch("updatefindmatchescount", {
|
||
source: this,
|
||
matchesCount: this.#requestMatchesCount()
|
||
});
|
||
}
|
||
|
||
#updateUIState(state, previous = false) {
|
||
this._eventBus.dispatch("updatefindcontrolstate", {
|
||
source: this,
|
||
state,
|
||
previous,
|
||
matchesCount: this.#requestMatchesCount(),
|
||
rawQuery: this._state?.query ?? null
|
||
});
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFFindController = PDFFindController;
|
||
|
||
/***/ }),
|
||
/* 21 */
|
||
/***/ ((__unused_webpack_module, exports) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.CharacterType = void 0;
|
||
exports.getCharacterType = getCharacterType;
|
||
const CharacterType = {
|
||
SPACE: 0,
|
||
ALPHA_LETTER: 1,
|
||
PUNCT: 2,
|
||
HAN_LETTER: 3,
|
||
KATAKANA_LETTER: 4,
|
||
HIRAGANA_LETTER: 5,
|
||
HALFWIDTH_KATAKANA_LETTER: 6,
|
||
THAI_LETTER: 7
|
||
};
|
||
exports.CharacterType = CharacterType;
|
||
|
||
function isAlphabeticalScript(charCode) {
|
||
return charCode < 0x2e80;
|
||
}
|
||
|
||
function isAscii(charCode) {
|
||
return (charCode & 0xff80) === 0;
|
||
}
|
||
|
||
function isAsciiAlpha(charCode) {
|
||
return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
|
||
}
|
||
|
||
function isAsciiDigit(charCode) {
|
||
return charCode >= 0x30 && charCode <= 0x39;
|
||
}
|
||
|
||
function isAsciiSpace(charCode) {
|
||
return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
|
||
}
|
||
|
||
function isHan(charCode) {
|
||
return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
|
||
}
|
||
|
||
function isKatakana(charCode) {
|
||
return charCode >= 0x30a0 && charCode <= 0x30ff;
|
||
}
|
||
|
||
function isHiragana(charCode) {
|
||
return charCode >= 0x3040 && charCode <= 0x309f;
|
||
}
|
||
|
||
function isHalfwidthKatakana(charCode) {
|
||
return charCode >= 0xff60 && charCode <= 0xff9f;
|
||
}
|
||
|
||
function isThai(charCode) {
|
||
return (charCode & 0xff80) === 0x0e00;
|
||
}
|
||
|
||
function getCharacterType(charCode) {
|
||
if (isAlphabeticalScript(charCode)) {
|
||
if (isAscii(charCode)) {
|
||
if (isAsciiSpace(charCode)) {
|
||
return CharacterType.SPACE;
|
||
} else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
|
||
return CharacterType.ALPHA_LETTER;
|
||
}
|
||
|
||
return CharacterType.PUNCT;
|
||
} else if (isThai(charCode)) {
|
||
return CharacterType.THAI_LETTER;
|
||
} else if (charCode === 0xa0) {
|
||
return CharacterType.SPACE;
|
||
}
|
||
|
||
return CharacterType.ALPHA_LETTER;
|
||
}
|
||
|
||
if (isHan(charCode)) {
|
||
return CharacterType.HAN_LETTER;
|
||
} else if (isKatakana(charCode)) {
|
||
return CharacterType.KATAKANA_LETTER;
|
||
} else if (isHiragana(charCode)) {
|
||
return CharacterType.HIRAGANA_LETTER;
|
||
} else if (isHalfwidthKatakana(charCode)) {
|
||
return CharacterType.HALFWIDTH_KATAKANA_LETTER;
|
||
}
|
||
|
||
return CharacterType.ALPHA_LETTER;
|
||
}
|
||
|
||
/***/ }),
|
||
/* 22 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PDFHistory = void 0;
|
||
exports.isDestArraysEqual = isDestArraysEqual;
|
||
exports.isDestHashesEqual = isDestHashesEqual;
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _event_utils = __w_pdfjs_require__(17);
|
||
|
||
const HASH_CHANGE_TIMEOUT = 1000;
|
||
const POSITION_UPDATED_THRESHOLD = 50;
|
||
const UPDATE_VIEWAREA_TIMEOUT = 1000;
|
||
|
||
function getCurrentHash() {
|
||
return document.location.hash;
|
||
}
|
||
|
||
class PDFHistory {
|
||
constructor({
|
||
linkService,
|
||
eventBus
|
||
}) {
|
||
this.linkService = linkService;
|
||
this.eventBus = eventBus;
|
||
this._initialized = false;
|
||
this._fingerprint = "";
|
||
this.reset();
|
||
this._boundEvents = null;
|
||
|
||
this.eventBus._on("pagesinit", () => {
|
||
this._isPagesLoaded = false;
|
||
|
||
this.eventBus._on("pagesloaded", evt => {
|
||
this._isPagesLoaded = !!evt.pagesCount;
|
||
}, {
|
||
once: true
|
||
});
|
||
});
|
||
}
|
||
|
||
initialize({
|
||
fingerprint,
|
||
resetHistory = false,
|
||
updateUrl = false
|
||
}) {
|
||
if (!fingerprint || typeof fingerprint !== "string") {
|
||
console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
|
||
return;
|
||
}
|
||
|
||
if (this._initialized) {
|
||
this.reset();
|
||
}
|
||
|
||
const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
|
||
this._fingerprint = fingerprint;
|
||
this._updateUrl = updateUrl === true;
|
||
this._initialized = true;
|
||
|
||
this._bindEvents();
|
||
|
||
const state = window.history.state;
|
||
this._popStateInProgress = false;
|
||
this._blockHashChange = 0;
|
||
this._currentHash = getCurrentHash();
|
||
this._numPositionUpdates = 0;
|
||
this._uid = this._maxUid = 0;
|
||
this._destination = null;
|
||
this._position = null;
|
||
|
||
if (!this._isValidState(state, true) || resetHistory) {
|
||
const {
|
||
hash,
|
||
page,
|
||
rotation
|
||
} = this._parseCurrentHash(true);
|
||
|
||
if (!hash || reInitialized || resetHistory) {
|
||
this._pushOrReplaceState(null, true);
|
||
|
||
return;
|
||
}
|
||
|
||
this._pushOrReplaceState({
|
||
hash,
|
||
page,
|
||
rotation
|
||
}, true);
|
||
|
||
return;
|
||
}
|
||
|
||
const destination = state.destination;
|
||
|
||
this._updateInternalState(destination, state.uid, true);
|
||
|
||
if (destination.rotation !== undefined) {
|
||
this._initialRotation = destination.rotation;
|
||
}
|
||
|
||
if (destination.dest) {
|
||
this._initialBookmark = JSON.stringify(destination.dest);
|
||
this._destination.page = null;
|
||
} else if (destination.hash) {
|
||
this._initialBookmark = destination.hash;
|
||
} else if (destination.page) {
|
||
this._initialBookmark = `page=${destination.page}`;
|
||
}
|
||
}
|
||
|
||
reset() {
|
||
if (this._initialized) {
|
||
this._pageHide();
|
||
|
||
this._initialized = false;
|
||
|
||
this._unbindEvents();
|
||
}
|
||
|
||
if (this._updateViewareaTimeout) {
|
||
clearTimeout(this._updateViewareaTimeout);
|
||
this._updateViewareaTimeout = null;
|
||
}
|
||
|
||
this._initialBookmark = null;
|
||
this._initialRotation = null;
|
||
}
|
||
|
||
push({
|
||
namedDest = null,
|
||
explicitDest,
|
||
pageNumber
|
||
}) {
|
||
if (!this._initialized) {
|
||
return;
|
||
}
|
||
|
||
if (namedDest && typeof namedDest !== "string") {
|
||
console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
|
||
return;
|
||
} else if (!Array.isArray(explicitDest)) {
|
||
console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
|
||
return;
|
||
} else if (!this._isValidPage(pageNumber)) {
|
||
if (pageNumber !== null || this._destination) {
|
||
console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
|
||
return;
|
||
}
|
||
}
|
||
|
||
const hash = namedDest || JSON.stringify(explicitDest);
|
||
|
||
if (!hash) {
|
||
return;
|
||
}
|
||
|
||
let forceReplace = false;
|
||
|
||
if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
|
||
if (this._destination.page) {
|
||
return;
|
||
}
|
||
|
||
forceReplace = true;
|
||
}
|
||
|
||
if (this._popStateInProgress && !forceReplace) {
|
||
return;
|
||
}
|
||
|
||
this._pushOrReplaceState({
|
||
dest: explicitDest,
|
||
hash,
|
||
page: pageNumber,
|
||
rotation: this.linkService.rotation
|
||
}, forceReplace);
|
||
|
||
if (!this._popStateInProgress) {
|
||
this._popStateInProgress = true;
|
||
Promise.resolve().then(() => {
|
||
this._popStateInProgress = false;
|
||
});
|
||
}
|
||
}
|
||
|
||
pushPage(pageNumber) {
|
||
if (!this._initialized) {
|
||
return;
|
||
}
|
||
|
||
if (!this._isValidPage(pageNumber)) {
|
||
console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
|
||
return;
|
||
}
|
||
|
||
if (this._destination?.page === pageNumber) {
|
||
return;
|
||
}
|
||
|
||
if (this._popStateInProgress) {
|
||
return;
|
||
}
|
||
|
||
this._pushOrReplaceState({
|
||
dest: null,
|
||
hash: `page=${pageNumber}`,
|
||
page: pageNumber,
|
||
rotation: this.linkService.rotation
|
||
});
|
||
|
||
if (!this._popStateInProgress) {
|
||
this._popStateInProgress = true;
|
||
Promise.resolve().then(() => {
|
||
this._popStateInProgress = false;
|
||
});
|
||
}
|
||
}
|
||
|
||
pushCurrentPosition() {
|
||
if (!this._initialized || this._popStateInProgress) {
|
||
return;
|
||
}
|
||
|
||
this._tryPushCurrentPosition();
|
||
}
|
||
|
||
back() {
|
||
if (!this._initialized || this._popStateInProgress) {
|
||
return;
|
||
}
|
||
|
||
const state = window.history.state;
|
||
|
||
if (this._isValidState(state) && state.uid > 0) {
|
||
window.history.back();
|
||
}
|
||
}
|
||
|
||
forward() {
|
||
if (!this._initialized || this._popStateInProgress) {
|
||
return;
|
||
}
|
||
|
||
const state = window.history.state;
|
||
|
||
if (this._isValidState(state) && state.uid < this._maxUid) {
|
||
window.history.forward();
|
||
}
|
||
}
|
||
|
||
get popStateInProgress() {
|
||
return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
|
||
}
|
||
|
||
get initialBookmark() {
|
||
return this._initialized ? this._initialBookmark : null;
|
||
}
|
||
|
||
get initialRotation() {
|
||
return this._initialized ? this._initialRotation : null;
|
||
}
|
||
|
||
_pushOrReplaceState(destination, forceReplace = false) {
|
||
const shouldReplace = forceReplace || !this._destination;
|
||
const newState = {
|
||
fingerprint: this._fingerprint,
|
||
uid: shouldReplace ? this._uid : this._uid + 1,
|
||
destination
|
||
};
|
||
|
||
this._updateInternalState(destination, newState.uid);
|
||
|
||
let newUrl;
|
||
|
||
if (this._updateUrl && destination?.hash) {
|
||
const baseUrl = document.location.href.split("#")[0];
|
||
|
||
if (!baseUrl.startsWith("file://")) {
|
||
newUrl = `${baseUrl}#${destination.hash}`;
|
||
}
|
||
}
|
||
|
||
if (shouldReplace) {
|
||
window.history.replaceState(newState, "", newUrl);
|
||
} else {
|
||
window.history.pushState(newState, "", newUrl);
|
||
}
|
||
}
|
||
|
||
_tryPushCurrentPosition(temporary = false) {
|
||
if (!this._position) {
|
||
return;
|
||
}
|
||
|
||
let position = this._position;
|
||
|
||
if (temporary) {
|
||
position = Object.assign(Object.create(null), this._position);
|
||
position.temporary = true;
|
||
}
|
||
|
||
if (!this._destination) {
|
||
this._pushOrReplaceState(position);
|
||
|
||
return;
|
||
}
|
||
|
||
if (this._destination.temporary) {
|
||
this._pushOrReplaceState(position, true);
|
||
|
||
return;
|
||
}
|
||
|
||
if (this._destination.hash === position.hash) {
|
||
return;
|
||
}
|
||
|
||
if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
|
||
return;
|
||
}
|
||
|
||
let forceReplace = false;
|
||
|
||
if (this._destination.page >= position.first && this._destination.page <= position.page) {
|
||
if (this._destination.dest !== undefined || !this._destination.first) {
|
||
return;
|
||
}
|
||
|
||
forceReplace = true;
|
||
}
|
||
|
||
this._pushOrReplaceState(position, forceReplace);
|
||
}
|
||
|
||
_isValidPage(val) {
|
||
return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
|
||
}
|
||
|
||
_isValidState(state, checkReload = false) {
|
||
if (!state) {
|
||
return false;
|
||
}
|
||
|
||
if (state.fingerprint !== this._fingerprint) {
|
||
if (checkReload) {
|
||
if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
|
||
return false;
|
||
}
|
||
|
||
const [perfEntry] = performance.getEntriesByType("navigation");
|
||
|
||
if (perfEntry?.type !== "reload") {
|
||
return false;
|
||
}
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!Number.isInteger(state.uid) || state.uid < 0) {
|
||
return false;
|
||
}
|
||
|
||
if (state.destination === null || typeof state.destination !== "object") {
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
_updateInternalState(destination, uid, removeTemporary = false) {
|
||
if (this._updateViewareaTimeout) {
|
||
clearTimeout(this._updateViewareaTimeout);
|
||
this._updateViewareaTimeout = null;
|
||
}
|
||
|
||
if (removeTemporary && destination?.temporary) {
|
||
delete destination.temporary;
|
||
}
|
||
|
||
this._destination = destination;
|
||
this._uid = uid;
|
||
this._maxUid = Math.max(this._maxUid, uid);
|
||
this._numPositionUpdates = 0;
|
||
}
|
||
|
||
_parseCurrentHash(checkNameddest = false) {
|
||
const hash = unescape(getCurrentHash()).substring(1);
|
||
const params = (0, _ui_utils.parseQueryString)(hash);
|
||
const nameddest = params.get("nameddest") || "";
|
||
let page = params.get("page") | 0;
|
||
|
||
if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) {
|
||
page = null;
|
||
}
|
||
|
||
return {
|
||
hash,
|
||
page,
|
||
rotation: this.linkService.rotation
|
||
};
|
||
}
|
||
|
||
_updateViewarea({
|
||
location
|
||
}) {
|
||
if (this._updateViewareaTimeout) {
|
||
clearTimeout(this._updateViewareaTimeout);
|
||
this._updateViewareaTimeout = null;
|
||
}
|
||
|
||
this._position = {
|
||
hash: location.pdfOpenParams.substring(1),
|
||
page: this.linkService.page,
|
||
first: location.pageNumber,
|
||
rotation: location.rotation
|
||
};
|
||
|
||
if (this._popStateInProgress) {
|
||
return;
|
||
}
|
||
|
||
if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
|
||
this._numPositionUpdates++;
|
||
}
|
||
|
||
if (UPDATE_VIEWAREA_TIMEOUT > 0) {
|
||
this._updateViewareaTimeout = setTimeout(() => {
|
||
if (!this._popStateInProgress) {
|
||
this._tryPushCurrentPosition(true);
|
||
}
|
||
|
||
this._updateViewareaTimeout = null;
|
||
}, UPDATE_VIEWAREA_TIMEOUT);
|
||
}
|
||
}
|
||
|
||
_popState({
|
||
state
|
||
}) {
|
||
const newHash = getCurrentHash(),
|
||
hashChanged = this._currentHash !== newHash;
|
||
this._currentHash = newHash;
|
||
|
||
if (!state) {
|
||
this._uid++;
|
||
|
||
const {
|
||
hash,
|
||
page,
|
||
rotation
|
||
} = this._parseCurrentHash();
|
||
|
||
this._pushOrReplaceState({
|
||
hash,
|
||
page,
|
||
rotation
|
||
}, true);
|
||
|
||
return;
|
||
}
|
||
|
||
if (!this._isValidState(state)) {
|
||
return;
|
||
}
|
||
|
||
this._popStateInProgress = true;
|
||
|
||
if (hashChanged) {
|
||
this._blockHashChange++;
|
||
(0, _event_utils.waitOnEventOrTimeout)({
|
||
target: window,
|
||
name: "hashchange",
|
||
delay: HASH_CHANGE_TIMEOUT
|
||
}).then(() => {
|
||
this._blockHashChange--;
|
||
});
|
||
}
|
||
|
||
const destination = state.destination;
|
||
|
||
this._updateInternalState(destination, state.uid, true);
|
||
|
||
if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
|
||
this.linkService.rotation = destination.rotation;
|
||
}
|
||
|
||
if (destination.dest) {
|
||
this.linkService.goToDestination(destination.dest);
|
||
} else if (destination.hash) {
|
||
this.linkService.setHash(destination.hash);
|
||
} else if (destination.page) {
|
||
this.linkService.page = destination.page;
|
||
}
|
||
|
||
Promise.resolve().then(() => {
|
||
this._popStateInProgress = false;
|
||
});
|
||
}
|
||
|
||
_pageHide() {
|
||
if (!this._destination || this._destination.temporary) {
|
||
this._tryPushCurrentPosition();
|
||
}
|
||
}
|
||
|
||
_bindEvents() {
|
||
if (this._boundEvents) {
|
||
return;
|
||
}
|
||
|
||
this._boundEvents = {
|
||
updateViewarea: this._updateViewarea.bind(this),
|
||
popState: this._popState.bind(this),
|
||
pageHide: this._pageHide.bind(this)
|
||
};
|
||
|
||
this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
|
||
|
||
window.addEventListener("popstate", this._boundEvents.popState);
|
||
window.addEventListener("pagehide", this._boundEvents.pageHide);
|
||
}
|
||
|
||
_unbindEvents() {
|
||
if (!this._boundEvents) {
|
||
return;
|
||
}
|
||
|
||
this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
|
||
|
||
window.removeEventListener("popstate", this._boundEvents.popState);
|
||
window.removeEventListener("pagehide", this._boundEvents.pageHide);
|
||
this._boundEvents = null;
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFHistory = PDFHistory;
|
||
|
||
function isDestHashesEqual(destHash, pushHash) {
|
||
if (typeof destHash !== "string" || typeof pushHash !== "string") {
|
||
return false;
|
||
}
|
||
|
||
if (destHash === pushHash) {
|
||
return true;
|
||
}
|
||
|
||
const nameddest = (0, _ui_utils.parseQueryString)(destHash).get("nameddest");
|
||
|
||
if (nameddest === pushHash) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
function isDestArraysEqual(firstDest, secondDest) {
|
||
function isEntryEqual(first, second) {
|
||
if (typeof first !== typeof second) {
|
||
return false;
|
||
}
|
||
|
||
if (Array.isArray(first) || Array.isArray(second)) {
|
||
return false;
|
||
}
|
||
|
||
if (first !== null && typeof first === "object" && second !== null) {
|
||
if (Object.keys(first).length !== Object.keys(second).length) {
|
||
return false;
|
||
}
|
||
|
||
for (const key in first) {
|
||
if (!isEntryEqual(first[key], second[key])) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
return first === second || Number.isNaN(first) && Number.isNaN(second);
|
||
}
|
||
|
||
if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
|
||
return false;
|
||
}
|
||
|
||
if (firstDest.length !== secondDest.length) {
|
||
return false;
|
||
}
|
||
|
||
for (let i = 0, ii = firstDest.length; i < ii; i++) {
|
||
if (!isEntryEqual(firstDest[i], secondDest[i])) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/***/ }),
|
||
/* 23 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.PDFScriptingManager = void 0;
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
class PDFScriptingManager {
|
||
constructor({
|
||
eventBus,
|
||
sandboxBundleSrc = null,
|
||
scriptingFactory = null,
|
||
docPropertiesLookup = null
|
||
}) {
|
||
this._pdfDocument = null;
|
||
this._pdfViewer = null;
|
||
this._closeCapability = null;
|
||
this._destroyCapability = null;
|
||
this._scripting = null;
|
||
this._mouseState = Object.create(null);
|
||
this._ready = false;
|
||
this._eventBus = eventBus;
|
||
this._sandboxBundleSrc = sandboxBundleSrc;
|
||
this._scriptingFactory = scriptingFactory;
|
||
this._docPropertiesLookup = docPropertiesLookup;
|
||
|
||
if (!this._scriptingFactory) {
|
||
window.addEventListener("updatefromsandbox", event => {
|
||
this._eventBus.dispatch("updatefromsandbox", {
|
||
source: window,
|
||
detail: event.detail
|
||
});
|
||
});
|
||
}
|
||
}
|
||
|
||
setViewer(pdfViewer) {
|
||
this._pdfViewer = pdfViewer;
|
||
}
|
||
|
||
async setDocument(pdfDocument) {
|
||
if (this._pdfDocument) {
|
||
await this._destroyScripting();
|
||
}
|
||
|
||
this._pdfDocument = pdfDocument;
|
||
|
||
if (!pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
|
||
|
||
if (!objects && !docActions) {
|
||
await this._destroyScripting();
|
||
return;
|
||
}
|
||
|
||
if (pdfDocument !== this._pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
try {
|
||
this._scripting = this._createScripting();
|
||
} catch (error) {
|
||
console.error(`PDFScriptingManager.setDocument: "${error?.message}".`);
|
||
await this._destroyScripting();
|
||
return;
|
||
}
|
||
|
||
this._internalEvents.set("updatefromsandbox", event => {
|
||
if (event?.source !== window) {
|
||
return;
|
||
}
|
||
|
||
this._updateFromSandbox(event.detail);
|
||
});
|
||
|
||
this._internalEvents.set("dispatcheventinsandbox", event => {
|
||
this._scripting?.dispatchEventInSandbox(event.detail);
|
||
});
|
||
|
||
this._internalEvents.set("pagechanging", ({
|
||
pageNumber,
|
||
previous
|
||
}) => {
|
||
if (pageNumber === previous) {
|
||
return;
|
||
}
|
||
|
||
this._dispatchPageClose(previous);
|
||
|
||
this._dispatchPageOpen(pageNumber);
|
||
});
|
||
|
||
this._internalEvents.set("pagerendered", ({
|
||
pageNumber
|
||
}) => {
|
||
if (!this._pageOpenPending.has(pageNumber)) {
|
||
return;
|
||
}
|
||
|
||
if (pageNumber !== this._pdfViewer.currentPageNumber) {
|
||
return;
|
||
}
|
||
|
||
this._dispatchPageOpen(pageNumber);
|
||
});
|
||
|
||
this._internalEvents.set("pagesdestroy", async event => {
|
||
await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
|
||
await this._scripting?.dispatchEventInSandbox({
|
||
id: "doc",
|
||
name: "WillClose"
|
||
});
|
||
this._closeCapability?.resolve();
|
||
});
|
||
|
||
this._domEvents.set("mousedown", event => {
|
||
this._mouseState.isDown = true;
|
||
});
|
||
|
||
this._domEvents.set("mouseup", event => {
|
||
this._mouseState.isDown = false;
|
||
});
|
||
|
||
for (const [name, listener] of this._internalEvents) {
|
||
this._eventBus._on(name, listener);
|
||
}
|
||
|
||
for (const [name, listener] of this._domEvents) {
|
||
window.addEventListener(name, listener, true);
|
||
}
|
||
|
||
try {
|
||
const docProperties = await this._getDocProperties();
|
||
|
||
if (pdfDocument !== this._pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
await this._scripting.createSandbox({
|
||
objects,
|
||
calculationOrder,
|
||
appInfo: {
|
||
platform: navigator.platform,
|
||
language: navigator.language
|
||
},
|
||
docInfo: { ...docProperties,
|
||
actions: docActions
|
||
}
|
||
});
|
||
|
||
this._eventBus.dispatch("sandboxcreated", {
|
||
source: this
|
||
});
|
||
} catch (error) {
|
||
console.error(`PDFScriptingManager.setDocument: "${error?.message}".`);
|
||
await this._destroyScripting();
|
||
return;
|
||
}
|
||
|
||
await this._scripting?.dispatchEventInSandbox({
|
||
id: "doc",
|
||
name: "Open"
|
||
});
|
||
await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
|
||
Promise.resolve().then(() => {
|
||
if (pdfDocument === this._pdfDocument) {
|
||
this._ready = true;
|
||
}
|
||
});
|
||
}
|
||
|
||
async dispatchWillSave(detail) {
|
||
return this._scripting?.dispatchEventInSandbox({
|
||
id: "doc",
|
||
name: "WillSave"
|
||
});
|
||
}
|
||
|
||
async dispatchDidSave(detail) {
|
||
return this._scripting?.dispatchEventInSandbox({
|
||
id: "doc",
|
||
name: "DidSave"
|
||
});
|
||
}
|
||
|
||
async dispatchWillPrint(detail) {
|
||
return this._scripting?.dispatchEventInSandbox({
|
||
id: "doc",
|
||
name: "WillPrint"
|
||
});
|
||
}
|
||
|
||
async dispatchDidPrint(detail) {
|
||
return this._scripting?.dispatchEventInSandbox({
|
||
id: "doc",
|
||
name: "DidPrint"
|
||
});
|
||
}
|
||
|
||
get mouseState() {
|
||
return this._mouseState;
|
||
}
|
||
|
||
get destroyPromise() {
|
||
return this._destroyCapability?.promise || null;
|
||
}
|
||
|
||
get ready() {
|
||
return this._ready;
|
||
}
|
||
|
||
get _internalEvents() {
|
||
return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
|
||
}
|
||
|
||
get _domEvents() {
|
||
return (0, _pdfjsLib.shadow)(this, "_domEvents", new Map());
|
||
}
|
||
|
||
get _pageOpenPending() {
|
||
return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
|
||
}
|
||
|
||
get _visitedPages() {
|
||
return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
|
||
}
|
||
|
||
async _updateFromSandbox(detail) {
|
||
const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._pdfViewer.isChangingPresentationMode;
|
||
const {
|
||
id,
|
||
siblings,
|
||
command,
|
||
value
|
||
} = detail;
|
||
|
||
if (!id) {
|
||
switch (command) {
|
||
case "clear":
|
||
console.clear();
|
||
break;
|
||
|
||
case "error":
|
||
console.error(value);
|
||
break;
|
||
|
||
case "layout":
|
||
if (isInPresentationMode) {
|
||
return;
|
||
}
|
||
|
||
const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value);
|
||
this._pdfViewer.spreadMode = modes.spreadMode;
|
||
break;
|
||
|
||
case "page-num":
|
||
this._pdfViewer.currentPageNumber = value + 1;
|
||
break;
|
||
|
||
case "print":
|
||
await this._pdfViewer.pagesPromise;
|
||
|
||
this._eventBus.dispatch("print", {
|
||
source: this
|
||
});
|
||
|
||
break;
|
||
|
||
case "println":
|
||
console.log(value);
|
||
break;
|
||
|
||
case "zoom":
|
||
if (isInPresentationMode) {
|
||
return;
|
||
}
|
||
|
||
this._pdfViewer.currentScaleValue = value;
|
||
break;
|
||
|
||
case "SaveAs":
|
||
this._eventBus.dispatch("save", {
|
||
source: this
|
||
});
|
||
|
||
break;
|
||
|
||
case "FirstPage":
|
||
this._pdfViewer.currentPageNumber = 1;
|
||
break;
|
||
|
||
case "LastPage":
|
||
this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount;
|
||
break;
|
||
|
||
case "NextPage":
|
||
this._pdfViewer.nextPage();
|
||
|
||
break;
|
||
|
||
case "PrevPage":
|
||
this._pdfViewer.previousPage();
|
||
|
||
break;
|
||
|
||
case "ZoomViewIn":
|
||
if (isInPresentationMode) {
|
||
return;
|
||
}
|
||
|
||
this._pdfViewer.increaseScale();
|
||
|
||
break;
|
||
|
||
case "ZoomViewOut":
|
||
if (isInPresentationMode) {
|
||
return;
|
||
}
|
||
|
||
this._pdfViewer.decreaseScale();
|
||
|
||
break;
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
if (isInPresentationMode) {
|
||
if (detail.focus) {
|
||
return;
|
||
}
|
||
}
|
||
|
||
delete detail.id;
|
||
delete detail.siblings;
|
||
const ids = siblings ? [id, ...siblings] : [id];
|
||
|
||
for (const elementId of ids) {
|
||
const element = document.getElementById(elementId);
|
||
|
||
if (element) {
|
||
element.dispatchEvent(new CustomEvent("updatefromsandbox", {
|
||
detail
|
||
}));
|
||
} else {
|
||
this._pdfDocument?.annotationStorage.setValue(elementId, detail);
|
||
}
|
||
}
|
||
}
|
||
|
||
async _dispatchPageOpen(pageNumber, initialize = false) {
|
||
const pdfDocument = this._pdfDocument,
|
||
visitedPages = this._visitedPages;
|
||
|
||
if (initialize) {
|
||
this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
}
|
||
|
||
if (!this._closeCapability) {
|
||
return;
|
||
}
|
||
|
||
const pageView = this._pdfViewer.getPageView(pageNumber - 1);
|
||
|
||
if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) {
|
||
this._pageOpenPending.add(pageNumber);
|
||
|
||
return;
|
||
}
|
||
|
||
this._pageOpenPending.delete(pageNumber);
|
||
|
||
const actionsPromise = (async () => {
|
||
const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
|
||
|
||
if (pdfDocument !== this._pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
await this._scripting?.dispatchEventInSandbox({
|
||
id: "page",
|
||
name: "PageOpen",
|
||
pageNumber,
|
||
actions
|
||
});
|
||
})();
|
||
|
||
visitedPages.set(pageNumber, actionsPromise);
|
||
}
|
||
|
||
async _dispatchPageClose(pageNumber) {
|
||
const pdfDocument = this._pdfDocument,
|
||
visitedPages = this._visitedPages;
|
||
|
||
if (!this._closeCapability) {
|
||
return;
|
||
}
|
||
|
||
if (this._pageOpenPending.has(pageNumber)) {
|
||
return;
|
||
}
|
||
|
||
const actionsPromise = visitedPages.get(pageNumber);
|
||
|
||
if (!actionsPromise) {
|
||
return;
|
||
}
|
||
|
||
visitedPages.set(pageNumber, null);
|
||
await actionsPromise;
|
||
|
||
if (pdfDocument !== this._pdfDocument) {
|
||
return;
|
||
}
|
||
|
||
await this._scripting?.dispatchEventInSandbox({
|
||
id: "page",
|
||
name: "PageClose",
|
||
pageNumber
|
||
});
|
||
}
|
||
|
||
async _getDocProperties() {
|
||
if (this._docPropertiesLookup) {
|
||
return this._docPropertiesLookup(this._pdfDocument);
|
||
}
|
||
|
||
const {
|
||
docPropertiesLookup
|
||
} = __w_pdfjs_require__(24);
|
||
|
||
return docPropertiesLookup(this._pdfDocument);
|
||
}
|
||
|
||
_createScripting() {
|
||
this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();
|
||
|
||
if (this._scripting) {
|
||
throw new Error("_createScripting: Scripting already exists.");
|
||
}
|
||
|
||
if (this._scriptingFactory) {
|
||
return this._scriptingFactory.createScripting({
|
||
sandboxBundleSrc: this._sandboxBundleSrc
|
||
});
|
||
}
|
||
|
||
const {
|
||
GenericScripting
|
||
} = __w_pdfjs_require__(24);
|
||
|
||
return new GenericScripting(this._sandboxBundleSrc);
|
||
}
|
||
|
||
async _destroyScripting() {
|
||
if (!this._scripting) {
|
||
this._pdfDocument = null;
|
||
this._destroyCapability?.resolve();
|
||
return;
|
||
}
|
||
|
||
if (this._closeCapability) {
|
||
await Promise.race([this._closeCapability.promise, new Promise(resolve => {
|
||
setTimeout(resolve, 1000);
|
||
})]).catch(reason => {});
|
||
this._closeCapability = null;
|
||
}
|
||
|
||
this._pdfDocument = null;
|
||
|
||
try {
|
||
await this._scripting.destroySandbox();
|
||
} catch (ex) {}
|
||
|
||
for (const [name, listener] of this._internalEvents) {
|
||
this._eventBus._off(name, listener);
|
||
}
|
||
|
||
this._internalEvents.clear();
|
||
|
||
for (const [name, listener] of this._domEvents) {
|
||
window.removeEventListener(name, listener, true);
|
||
}
|
||
|
||
this._domEvents.clear();
|
||
|
||
this._pageOpenPending.clear();
|
||
|
||
this._visitedPages.clear();
|
||
|
||
this._scripting = null;
|
||
delete this._mouseState.isDown;
|
||
this._ready = false;
|
||
this._destroyCapability?.resolve();
|
||
}
|
||
|
||
}
|
||
|
||
exports.PDFScriptingManager = PDFScriptingManager;
|
||
|
||
/***/ }),
|
||
/* 24 */
|
||
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
||
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
exports.GenericScripting = void 0;
|
||
exports.docPropertiesLookup = docPropertiesLookup;
|
||
|
||
var _pdfjsLib = __w_pdfjs_require__(3);
|
||
|
||
async function docPropertiesLookup(pdfDocument) {
|
||
const url = "",
|
||
baseUrl = url.split("#")[0];
|
||
let {
|
||
info,
|
||
metadata,
|
||
contentDispositionFilename,
|
||
contentLength
|
||
} = await pdfDocument.getMetadata();
|
||
|
||
if (!contentLength) {
|
||
const {
|
||
length
|
||
} = await pdfDocument.getDownloadInfo();
|
||
contentLength = length;
|
||
}
|
||
|
||
return { ...info,
|
||
baseURL: baseUrl,
|
||
filesize: contentLength,
|
||
filename: contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(url),
|
||
metadata: metadata?.getRaw(),
|
||
authors: metadata?.get("dc:creator"),
|
||
numPages: pdfDocument.numPages,
|
||
URL: url
|
||
};
|
||
}
|
||
|
||
class GenericScripting {
|
||
constructor(sandboxBundleSrc) {
|
||
this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(() => {
|
||
return window.pdfjsSandbox.QuickJSSandbox();
|
||
});
|
||
}
|
||
|
||
async createSandbox(data) {
|
||
const sandbox = await this._ready;
|
||
sandbox.create(data);
|
||
}
|
||
|
||
async dispatchEventInSandbox(event) {
|
||
const sandbox = await this._ready;
|
||
setTimeout(() => sandbox.dispatchEvent(event), 0);
|
||
}
|
||
|
||
async destroySandbox() {
|
||
const sandbox = await this._ready;
|
||
sandbox.nukeSandbox();
|
||
}
|
||
|
||
}
|
||
|
||
exports.GenericScripting = GenericScripting;
|
||
|
||
/***/ })
|
||
/******/ ]);
|
||
/************************************************************************/
|
||
/******/ // The module cache
|
||
/******/ var __webpack_module_cache__ = {};
|
||
/******/
|
||
/******/ // The require function
|
||
/******/ function __w_pdfjs_require__(moduleId) {
|
||
/******/ // Check if module is in cache
|
||
/******/ var cachedModule = __webpack_module_cache__[moduleId];
|
||
/******/ if (cachedModule !== undefined) {
|
||
/******/ return cachedModule.exports;
|
||
/******/ }
|
||
/******/ // Create a new module (and put it into the cache)
|
||
/******/ var module = __webpack_module_cache__[moduleId] = {
|
||
/******/ // no module.id needed
|
||
/******/ // no module.loaded needed
|
||
/******/ exports: {}
|
||
/******/ };
|
||
/******/
|
||
/******/ // Execute the module function
|
||
/******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
|
||
/******/
|
||
/******/ // Return the exports of the module
|
||
/******/ return module.exports;
|
||
/******/ }
|
||
/******/
|
||
/************************************************************************/
|
||
var __webpack_exports__ = {};
|
||
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
|
||
(() => {
|
||
var exports = __webpack_exports__;
|
||
|
||
|
||
Object.defineProperty(exports, "__esModule", ({
|
||
value: true
|
||
}));
|
||
Object.defineProperty(exports, "AnnotationLayerBuilder", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _annotation_layer_builder.AnnotationLayerBuilder;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "DefaultAnnotationLayerFactory", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _default_factory.DefaultAnnotationLayerFactory;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "DefaultStructTreeLayerFactory", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _default_factory.DefaultStructTreeLayerFactory;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "DefaultTextLayerFactory", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _default_factory.DefaultTextLayerFactory;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "DefaultXfaLayerFactory", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _default_factory.DefaultXfaLayerFactory;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "DownloadManager", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _download_manager.DownloadManager;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "EventBus", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _event_utils.EventBus;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "GenericL10n", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _genericl10n.GenericL10n;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "LinkTarget", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_link_service.LinkTarget;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "NullL10n", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _l10n_utils.NullL10n;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFFindController", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_find_controller.PDFFindController;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFHistory", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_history.PDFHistory;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFLinkService", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_link_service.PDFLinkService;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFPageView", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_page_view.PDFPageView;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFScriptingManager", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_scripting_manager.PDFScriptingManager;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFSinglePageViewer", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_viewer.PDFSinglePageViewer;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "PDFViewer", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_viewer.PDFViewer;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "ProgressBar", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _ui_utils.ProgressBar;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "SimpleLinkService", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _pdf_link_service.SimpleLinkService;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "StructTreeLayerBuilder", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _struct_tree_layer_builder.StructTreeLayerBuilder;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "TextLayerBuilder", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _text_layer_builder.TextLayerBuilder;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "XfaLayerBuilder", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _xfa_layer_builder.XfaLayerBuilder;
|
||
}
|
||
}));
|
||
Object.defineProperty(exports, "parseQueryString", ({
|
||
enumerable: true,
|
||
get: function () {
|
||
return _ui_utils.parseQueryString;
|
||
}
|
||
}));
|
||
|
||
var _default_factory = __w_pdfjs_require__(1);
|
||
|
||
var _pdf_link_service = __w_pdfjs_require__(5);
|
||
|
||
var _ui_utils = __w_pdfjs_require__(6);
|
||
|
||
var _pdf_viewer = __w_pdfjs_require__(10);
|
||
|
||
var _annotation_layer_builder = __w_pdfjs_require__(2);
|
||
|
||
var _download_manager = __w_pdfjs_require__(16);
|
||
|
||
var _event_utils = __w_pdfjs_require__(17);
|
||
|
||
var _genericl10n = __w_pdfjs_require__(18);
|
||
|
||
var _l10n_utils = __w_pdfjs_require__(4);
|
||
|
||
var _pdf_find_controller = __w_pdfjs_require__(20);
|
||
|
||
var _pdf_history = __w_pdfjs_require__(22);
|
||
|
||
var _pdf_page_view = __w_pdfjs_require__(12);
|
||
|
||
var _pdf_scripting_manager = __w_pdfjs_require__(23);
|
||
|
||
var _struct_tree_layer_builder = __w_pdfjs_require__(7);
|
||
|
||
var _text_layer_builder = __w_pdfjs_require__(8);
|
||
|
||
var _xfa_layer_builder = __w_pdfjs_require__(9);
|
||
|
||
const pdfjsVersion = '2.14.305';
|
||
const pdfjsBuild = 'eaaa8b4ad';
|
||
})();
|
||
|
||
/******/ return __webpack_exports__;
|
||
/******/ })()
|
||
;
|
||
}); |