Add hide download and print flag

web/app.js

@@ -198,6 +198,8 @@ const PDFViewerApplication = {
   _touchInfo: null,
   _isCtrlKeyDown: false,
   _nimbusDataPromise: null,
+  canDownload: true,
+  canPrint: true,
 
   // Called once when the document is loaded.
   async initialize(appConfig) {
@@ -256,6 +258,9 @@ const PDFViewerApplication = {
     this.bindWindowEvents();
 
     this._initializedCapability.resolve();
+
+    this.canDownload = appConfig.canDownload;
+    this.canPrint = appConfig.canPrint;
   },
 
   /**
@@ -690,6 +695,13 @@ const PDFViewerApplication = {
     } else {
       throw new Error("Not implemented: run");
     }
+
+    if (!this.canDownload) {
+      this._hideDownloadButtons();
+    }
+    if (!this.canPrint) {
+      this._hidePrintButtons();
+    }
   },
 
   get initialized() {
@@ -875,6 +887,24 @@ const PDFViewerApplication = {
     }
   },
 
+  /**
+   * @private
+   */
+  _hidePrintButtons() {
+    const { toolbar, secondaryToolbar } = this.appConfig;
+    toolbar?.print.classList.add("hidden");
+    secondaryToolbar?.printButton.classList.add("hidden");
+  },
+
+  /**
+   * @private
+   */
+  _hideDownloadButtons() {
+    const { toolbar, secondaryToolbar } = this.appConfig;
+    toolbar?.download.classList.add("hidden");
+    secondaryToolbar?.downloadButton.classList.add("hidden");
+  },
+
   /**
    * Closes opened PDF document.
    * @returns {Promise} - Returns the promise, which is resolved when all
@@ -1092,6 +1122,9 @@ const PDFViewerApplication = {
   },
 
   downloadOrSave(options = {}) {
+    if (!this.canDownload) {
+      return;
+    }
     if (this.pdfDocument?.annotationStorage.size > 0) {
       this.save(options);
     } else {
@@ -1743,6 +1776,9 @@ const PDFViewerApplication = {
   },
 
   beforePrint() {
+    if (!this.canPrint) {
+      return;
+    }
     this._printAnnotationStoragePromise = this.pdfScriptingManager
       .dispatchWillPrint()
       .catch(() => {
@@ -1806,6 +1842,9 @@ const PDFViewerApplication = {
   },
 
   afterPrint() {
+    if (!this.canPrint) {
+      return;
+    }
     if (this._printAnnotationStoragePromise) {
       this._printAnnotationStoragePromise.then(() => {
         this.pdfScriptingManager.dispatchDidPrint();
@@ -1835,6 +1874,9 @@ const PDFViewerApplication = {
   },
 
   triggerPrinting() {
+    if (!this.canPrint) {
+      return;
+    }
     if (!this.supportsPrinting) {
       return;
     }
@@ -2420,9 +2462,15 @@ function webViewerSwitchAnnotationEditorParams(evt) {
   PDFViewerApplication.pdfViewer.annotationEditorParams = evt;
 }
 function webViewerPrint() {
+  if (!PDFViewerApplication.canPrint) {
+    return;
+  }
   PDFViewerApplication.triggerPrinting();
 }
 function webViewerDownload() {
+  if (!PDFViewerApplication.canDownload) {
+    return;
+  }
   PDFViewerApplication.downloadOrSave();
 }
 function webViewerOpenInExternalApp() {

web/viewer.js

@@ -179,6 +179,10 @@ function getViewerConfiguration() {
         ? document.getElementById("fileInput")
         : null,
     debuggerScriptPath: "./debugger.mjs",
+    canDownload:
+      new URLSearchParams(window.location.search).get("download") !== "0",
+    canPrint:
+      new URLSearchParams(window.location.search).get("download") !== "0",
   };
 }