mirror of
https://github.com/mozilla/pdf.js.git
synced 2025-04-19 22:58:07 +02:00
Merge pull request #11780 from Snuffleupagus/refactor-PDFViewerApplication-load
Move the initialization of "page labels"/"metadata"/"auto print" out of `PDFViewerApplication.load`
This commit is contained in:
Tim van der Meij
GitHub
commit
09cccd8ecc
1 changed files with 229 additions and 206 deletions
435
web/app.js
435
web/app.js
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@ -1185,79 +1185,8 @@ const PDFViewerApplication = {
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});
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});
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pdfDocument.getPageLabels().then(labels => {
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if (!labels || AppOptions.get("disablePageLabels")) {
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return;
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}
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const numLabels = labels.length;
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if (numLabels !== this.pagesCount) {
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console.error(
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"The number of Page Labels does not match " +
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"the number of pages in the document."
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);
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return;
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}
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let i = 0;
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// Ignore page labels that correspond to standard page numbering.
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while (i < numLabels && labels[i] === (i + 1).toString()) {
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i++;
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}
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if (i === numLabels) {
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return;
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}
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pdfViewer.setPageLabels(labels);
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pdfThumbnailViewer.setPageLabels(labels);
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// Changing toolbar page display to use labels and we need to set
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// the label of the current page.
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this.toolbar.setPagesCount(pdfDocument.numPages, true);
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this.toolbar.setPageNumber(
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pdfViewer.currentPageNumber,
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pdfViewer.currentPageLabel
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);
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});
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pagesPromise.then(async () => {
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const [openAction, javaScript] = await Promise.all([
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openActionPromise,
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pdfDocument.getJavaScript(),
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]);
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let triggerAutoPrint = false;
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if (openAction && openAction.action === "Print") {
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triggerAutoPrint = true;
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}
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if (javaScript) {
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javaScript.some(js => {
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if (!js) {
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// Don't warn/fallback for empty JavaScript actions.
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return false;
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}
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console.warn("Warning: JavaScript is not supported");
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this.fallback(UNSUPPORTED_FEATURES.javaScript);
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return true;
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});
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if (!triggerAutoPrint) {
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// Hack to support auto printing.
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for (const js of javaScript) {
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if (js && AutoPrintRegExp.test(js)) {
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triggerAutoPrint = true;
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break;
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}
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}
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}
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}
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if (!this.supportsPrinting) {
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return;
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}
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if (triggerAutoPrint) {
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setTimeout(function() {
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window.print();
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});
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}
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pagesPromise.then(() => {
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this._initializeAutoPrint(pdfDocument, openActionPromise);
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});
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onePageRendered.then(() => {
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@ -1269,150 +1198,244 @@ const PDFViewerApplication = {
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});
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});
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pdfDocument
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.getMetadata()
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.then(({ info, metadata, contentDispositionFilename }) => {
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this.documentInfo = info;
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this.metadata = metadata;
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this.contentDispositionFilename = contentDispositionFilename;
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this._initializePageLabels(pdfDocument);
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this._initializeMetadata(pdfDocument);
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},
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// Provides some basic debug information
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console.log(
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"PDF " +
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pdfDocument.fingerprint +
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" [" +
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info.PDFFormatVersion +
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" " +
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(info.Producer || "-").trim() +
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" / " +
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(info.Creator || "-").trim() +
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"]" +
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" (PDF.js: " +
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(version || "-") +
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(AppOptions.get("enableWebGL") ? " [WebGL]" : "") +
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")"
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);
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/**
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* @private
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*/
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async _initializeAutoPrint(pdfDocument, openActionPromise) {
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const [openAction, javaScript] = await Promise.all([
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openActionPromise,
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pdfDocument.getJavaScript(),
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]);
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let pdfTitle;
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if (pdfDocument !== this.pdfDocument) {
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return; // The document was closed while the auto print data resolved.
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}
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let triggerAutoPrint = false;
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const infoTitle = info && info["Title"];
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if (infoTitle) {
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pdfTitle = infoTitle;
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}
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const metadataTitle = metadata && metadata.get("dc:title");
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if (metadataTitle) {
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// Ghostscript can produce invalid 'dc:title' Metadata entries:
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// - The title may be "Untitled" (fixes bug 1031612).
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// - The title may contain incorrectly encoded characters, which thus
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// looks broken, hence we ignore the Metadata entry when it
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// contains characters from the Specials Unicode block
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// (fixes bug 1605526).
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if (
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metadataTitle !== "Untitled" &&
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!/[\uFFF0-\uFFFF]/g.test(metadataTitle)
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) {
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pdfTitle = metadataTitle;
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}
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}
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if (pdfTitle) {
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this.setTitle(
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`${pdfTitle} - ${contentDispositionFilename || document.title}`
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);
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} else if (contentDispositionFilename) {
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this.setTitle(contentDispositionFilename);
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}
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if (info.IsAcroFormPresent) {
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console.warn("Warning: AcroForm/XFA is not supported");
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this.fallback(UNSUPPORTED_FEATURES.forms);
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}
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if (
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typeof PDFJSDev === "undefined" ||
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PDFJSDev.test("MOZCENTRAL || GENERIC")
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) {
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// Telemetry labels must be C++ variable friendly.
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let versionId = "other";
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// Keep these in sync with mozilla central's Histograms.json.
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const KNOWN_VERSIONS = [
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"1.0",
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"1.1",
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"1.2",
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"1.3",
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"1.4",
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"1.5",
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"1.6",
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"1.7",
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"1.8",
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"1.9",
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"2.0",
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"2.1",
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"2.2",
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"2.3",
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];
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if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
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versionId = `v${info.PDFFormatVersion.replace(".", "_")}`;
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}
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let generatorId = "other";
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// Keep these in sync with mozilla central's Histograms.json.
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const KNOWN_GENERATORS = [
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"acrobat distiller",
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"acrobat pdfwriter",
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"adobe livecycle",
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"adobe pdf library",
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"adobe photoshop",
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"ghostscript",
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"tcpdf",
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"cairo",
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"dvipdfm",
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"dvips",
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"pdftex",
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"pdfkit",
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"itext",
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"prince",
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"quarkxpress",
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"mac os x",
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"microsoft",
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"openoffice",
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"oracle",
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"luradocument",
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"pdf-xchange",
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"antenna house",
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"aspose.cells",
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"fpdf",
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];
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if (info.Producer) {
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const producer = info.Producer.toLowerCase();
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KNOWN_GENERATORS.some(function(generator) {
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if (!producer.includes(generator)) {
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return false;
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}
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generatorId = generator.replace(/[ .\-]/g, "_");
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return true;
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});
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}
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let formType = null;
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if (info.IsAcroFormPresent) {
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formType = info.IsXFAPresent ? "xfa" : "acroform";
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}
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this.externalServices.reportTelemetry({
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type: "documentInfo",
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version: versionId,
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generator: generatorId,
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formType,
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});
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if (openAction && openAction.action === "Print") {
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triggerAutoPrint = true;
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}
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if (javaScript) {
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javaScript.some(js => {
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if (!js) {
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// Don't warn/fallback for empty JavaScript actions.
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return false;
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}
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console.warn("Warning: JavaScript is not supported");
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this.fallback(UNSUPPORTED_FEATURES.javaScript);
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return true;
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});
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if (!triggerAutoPrint) {
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// Hack to support auto printing.
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for (const js of javaScript) {
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if (js && AutoPrintRegExp.test(js)) {
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triggerAutoPrint = true;
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break;
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}
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}
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}
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}
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if (!this.supportsPrinting) {
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return;
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}
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if (triggerAutoPrint) {
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setTimeout(function() {
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window.print();
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});
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}
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},
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/**
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* @private
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*/
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async _initializeMetadata(pdfDocument) {
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const {
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info,
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metadata,
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contentDispositionFilename,
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} = await pdfDocument.getMetadata();
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if (pdfDocument !== this.pdfDocument) {
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return; // The document was closed while the metadata resolved.
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}
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this.documentInfo = info;
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this.metadata = metadata;
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this.contentDispositionFilename = contentDispositionFilename;
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// Provides some basic debug information
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console.log(
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`PDF ${pdfDocument.fingerprint} [${info.PDFFormatVersion} ` +
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`${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` +
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`(PDF.js: ${version || "-"}` +
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`${this.pdfViewer.enableWebGL ? " [WebGL]" : ""})`
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);
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let pdfTitle;
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const infoTitle = info && info["Title"];
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if (infoTitle) {
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pdfTitle = infoTitle;
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}
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const metadataTitle = metadata && metadata.get("dc:title");
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if (metadataTitle) {
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// Ghostscript can produce invalid 'dc:title' Metadata entries:
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// - The title may be "Untitled" (fixes bug 1031612).
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// - The title may contain incorrectly encoded characters, which thus
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// looks broken, hence we ignore the Metadata entry when it
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// contains characters from the Specials Unicode block
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// (fixes bug 1605526).
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if (
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metadataTitle !== "Untitled" &&
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!/[\uFFF0-\uFFFF]/g.test(metadataTitle)
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) {
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pdfTitle = metadataTitle;
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}
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}
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if (pdfTitle) {
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this.setTitle(
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`${pdfTitle} - ${contentDispositionFilename || document.title}`
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);
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} else if (contentDispositionFilename) {
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this.setTitle(contentDispositionFilename);
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}
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if (info.IsAcroFormPresent) {
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console.warn("Warning: AcroForm/XFA is not supported");
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this.fallback(UNSUPPORTED_FEATURES.forms);
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}
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if (
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typeof PDFJSDev === "undefined" ||
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PDFJSDev.test("MOZCENTRAL || GENERIC")
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) {
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// Telemetry labels must be C++ variable friendly.
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let versionId = "other";
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// Keep these in sync with mozilla central's Histograms.json.
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const KNOWN_VERSIONS = [
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"1.0",
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"1.1",
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"1.2",
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"1.3",
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"1.4",
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"1.5",
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"1.6",
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"1.7",
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"1.8",
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"1.9",
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"2.0",
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"2.1",
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"2.2",
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"2.3",
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];
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if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
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versionId = `v${info.PDFFormatVersion.replace(".", "_")}`;
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}
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let generatorId = "other";
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// Keep these in sync with mozilla central's Histograms.json.
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const KNOWN_GENERATORS = [
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"acrobat distiller",
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"acrobat pdfwriter",
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"adobe livecycle",
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"adobe pdf library",
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"adobe photoshop",
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"ghostscript",
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"tcpdf",
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"cairo",
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"dvipdfm",
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"dvips",
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"pdftex",
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"pdfkit",
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"itext",
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"prince",
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"quarkxpress",
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"mac os x",
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"microsoft",
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"openoffice",
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"oracle",
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"luradocument",
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"pdf-xchange",
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"antenna house",
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"aspose.cells",
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"fpdf",
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];
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if (info.Producer) {
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const producer = info.Producer.toLowerCase();
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KNOWN_GENERATORS.some(function(generator) {
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if (!producer.includes(generator)) {
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return false;
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}
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generatorId = generator.replace(/[ .\-]/g, "_");
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return true;
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});
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}
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let formType = null;
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if (info.IsAcroFormPresent) {
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formType = info.IsXFAPresent ? "xfa" : "acroform";
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}
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this.externalServices.reportTelemetry({
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type: "documentInfo",
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version: versionId,
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generator: generatorId,
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formType,
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});
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}
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},
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/**
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* @private
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*/
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async _initializePageLabels(pdfDocument) {
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const labels = await pdfDocument.getPageLabels();
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if (pdfDocument !== this.pdfDocument) {
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return; // The document was closed while the page labels resolved.
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}
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if (!labels || AppOptions.get("disablePageLabels")) {
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return;
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}
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const numLabels = labels.length;
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if (numLabels !== this.pagesCount) {
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console.error(
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"The number of Page Labels does not match the number of pages in the document."
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);
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return;
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}
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let i = 0;
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// Ignore page labels that correspond to standard page numbering.
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while (i < numLabels && labels[i] === (i + 1).toString()) {
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i++;
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}
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if (i === numLabels) {
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return;
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}
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const { pdfViewer, pdfThumbnailViewer, toolbar } = this;
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pdfViewer.setPageLabels(labels);
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pdfThumbnailViewer.setPageLabels(labels);
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// Changing toolbar page display to use labels and we need to set
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// the label of the current page.
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toolbar.setPagesCount(numLabels, true);
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toolbar.setPageNumber(
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pdfViewer.currentPageNumber,
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pdfViewer.currentPageLabel
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);
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},
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/**
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* @private
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*/
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_initializePdfHistory({ fingerprint, viewOnLoad, initialDest = null }) {
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if (AppOptions.get("disableHistory") || this.isViewerEmbedded) {
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if (this.isViewerEmbedded || AppOptions.get("disableHistory")) {
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// The browsing history is only enabled when the viewer is standalone,
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// i.e. not when it is embedded in a web page.
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return;
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|
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