pdf.js/web/viewer.js

232 lines
10 KiB
JavaScript

/* Copyright 2016 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.
*/
import "web-com";
import "web-print_service";
import { RenderingStates, ScrollMode, SpreadMode } from "./ui_utils.js";
import { AppOptions } from "./app_options.js";
import { LinkTarget } from "./pdf_link_service.js";
import { PDFViewerApplication } from "./app.js";
/* eslint-disable-next-line no-unused-vars */
const pdfjsVersion =
typeof PDFJSDev !== "undefined" ? PDFJSDev.eval("BUNDLE_VERSION") : void 0;
/* eslint-disable-next-line no-unused-vars */
const pdfjsBuild =
typeof PDFJSDev !== "undefined" ? PDFJSDev.eval("BUNDLE_BUILD") : void 0;
const AppConstants =
typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
? { LinkTarget, RenderingStates, ScrollMode, SpreadMode }
: null;
window.PDFViewerApplication = PDFViewerApplication;
window.PDFViewerApplicationConstants = AppConstants;
window.PDFViewerApplicationOptions = AppOptions;
function getViewerConfiguration() {
return {
appContainer: document.body,
mainContainer: document.getElementById("viewerContainer"),
viewerContainer: document.getElementById("viewer"),
toolbar: {
container: document.getElementById("toolbarViewer"),
numPages: document.getElementById("numPages"),
pageNumber: document.getElementById("pageNumber"),
scaleSelect: document.getElementById("scaleSelect"),
customScaleOption: document.getElementById("customScaleOption"),
previous: document.getElementById("previous"),
next: document.getElementById("next"),
zoomIn: document.getElementById("zoomIn"),
zoomOut: document.getElementById("zoomOut"),
viewFind: document.getElementById("viewFind"),
openFile:
typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
? document.getElementById("openFile")
: null,
print: document.getElementById("print"),
editorFreeTextButton: document.getElementById("editorFreeText"),
editorFreeTextParamsToolbar: document.getElementById(
"editorFreeTextParamsToolbar"
),
editorInkButton: document.getElementById("editorInk"),
editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"),
editorStampButton: document.getElementById("editorStamp"),
editorStampParamsToolbar: document.getElementById(
"editorStampParamsToolbar"
),
download: document.getElementById("download"),
},
secondaryToolbar: {
toolbar: document.getElementById("secondaryToolbar"),
toggleButton: document.getElementById("secondaryToolbarToggle"),
presentationModeButton: document.getElementById("presentationMode"),
openFileButton:
typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
? document.getElementById("secondaryOpenFile")
: null,
printButton: document.getElementById("secondaryPrint"),
downloadButton: document.getElementById("secondaryDownload"),
viewBookmarkButton: document.getElementById("viewBookmark"),
firstPageButton: document.getElementById("firstPage"),
lastPageButton: document.getElementById("lastPage"),
pageRotateCwButton: document.getElementById("pageRotateCw"),
pageRotateCcwButton: document.getElementById("pageRotateCcw"),
cursorSelectToolButton: document.getElementById("cursorSelectTool"),
cursorHandToolButton: document.getElementById("cursorHandTool"),
scrollPageButton: document.getElementById("scrollPage"),
scrollVerticalButton: document.getElementById("scrollVertical"),
scrollHorizontalButton: document.getElementById("scrollHorizontal"),
scrollWrappedButton: document.getElementById("scrollWrapped"),
spreadNoneButton: document.getElementById("spreadNone"),
spreadOddButton: document.getElementById("spreadOdd"),
spreadEvenButton: document.getElementById("spreadEven"),
documentPropertiesButton: document.getElementById("documentProperties"),
},
sidebar: {
// Divs (and sidebar button)
outerContainer: document.getElementById("outerContainer"),
sidebarContainer: document.getElementById("sidebarContainer"),
toggleButton: document.getElementById("sidebarToggle"),
resizer: document.getElementById("sidebarResizer"),
// Buttons
thumbnailButton: document.getElementById("viewThumbnail"),
outlineButton: document.getElementById("viewOutline"),
attachmentsButton: document.getElementById("viewAttachments"),
layersButton: document.getElementById("viewLayers"),
// Views
thumbnailView: document.getElementById("thumbnailView"),
outlineView: document.getElementById("outlineView"),
attachmentsView: document.getElementById("attachmentsView"),
layersView: document.getElementById("layersView"),
// View-specific options
outlineOptionsContainer: document.getElementById(
"outlineOptionsContainer"
),
currentOutlineItemButton: document.getElementById("currentOutlineItem"),
},
findBar: {
bar: document.getElementById("findbar"),
toggleButton: document.getElementById("viewFind"),
findField: document.getElementById("findInput"),
highlightAllCheckbox: document.getElementById("findHighlightAll"),
caseSensitiveCheckbox: document.getElementById("findMatchCase"),
matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"),
entireWordCheckbox: document.getElementById("findEntireWord"),
findMsg: document.getElementById("findMsg"),
findResultsCount: document.getElementById("findResultsCount"),
findPreviousButton: document.getElementById("findPrevious"),
findNextButton: document.getElementById("findNext"),
},
passwordOverlay: {
dialog: document.getElementById("passwordDialog"),
label: document.getElementById("passwordText"),
input: document.getElementById("password"),
submitButton: document.getElementById("passwordSubmit"),
cancelButton: document.getElementById("passwordCancel"),
},
documentProperties: {
dialog: document.getElementById("documentPropertiesDialog"),
closeButton: document.getElementById("documentPropertiesClose"),
fields: {
fileName: document.getElementById("fileNameField"),
fileSize: document.getElementById("fileSizeField"),
title: document.getElementById("titleField"),
author: document.getElementById("authorField"),
subject: document.getElementById("subjectField"),
keywords: document.getElementById("keywordsField"),
creationDate: document.getElementById("creationDateField"),
modificationDate: document.getElementById("modificationDateField"),
creator: document.getElementById("creatorField"),
producer: document.getElementById("producerField"),
version: document.getElementById("versionField"),
pageCount: document.getElementById("pageCountField"),
pageSize: document.getElementById("pageSizeField"),
linearized: document.getElementById("linearizedField"),
},
},
altTextDialog: {
dialog: document.getElementById("altTextDialog"),
optionDescription: document.getElementById("descriptionButton"),
optionDecorative: document.getElementById("decorativeButton"),
textarea: document.getElementById("descriptionTextarea"),
cancelButton: document.getElementById("altTextCancel"),
saveButton: document.getElementById("altTextSave"),
},
annotationEditorParams: {
editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"),
editorFreeTextColor: document.getElementById("editorFreeTextColor"),
editorInkColor: document.getElementById("editorInkColor"),
editorInkThickness: document.getElementById("editorInkThickness"),
editorInkOpacity: document.getElementById("editorInkOpacity"),
editorStampAddImage: document.getElementById("editorStampAddImage"),
},
printContainer: document.getElementById("printContainer"),
openFileInput:
typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
? document.getElementById("fileInput")
: null,
debuggerScriptPath: "./debugger.js",
};
}
function webViewerLoad() {
const config = getViewerConfiguration();
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("GENERIC")) {
// Give custom implementations of the default viewer a simpler way to
// set various `AppOptions`, by dispatching an event once all viewer
// files are loaded but *before* the viewer initialization has run.
const event = new CustomEvent("webviewerloaded", {
bubbles: true,
cancelable: true,
detail: {
source: window,
},
});
try {
// Attempt to dispatch the event at the embedding `document`,
// in order to support cases where the viewer is embedded in
// a *dynamically* created <iframe> element.
parent.document.dispatchEvent(event);
} catch (ex) {
// The viewer could be in e.g. a cross-origin <iframe> element,
// fallback to dispatching the event at the current `document`.
console.error(`webviewerloaded: ${ex}`);
document.dispatchEvent(event);
}
}
PDFViewerApplication.run(config);
}
// Block the "load" event until all pages are loaded, to ensure that printing
// works in Firefox; see https://bugzilla.mozilla.org/show_bug.cgi?id=1618553
document.blockUnblockOnload?.(true);
if (
document.readyState === "interactive" ||
document.readyState === "complete"
) {
webViewerLoad();
} else {
document.addEventListener("DOMContentLoaded", webViewerLoad, true);
}
export {
PDFViewerApplication,
AppConstants as PDFViewerApplicationConstants,
AppOptions as PDFViewerApplicationOptions,
};