Fixes

#288
#286

Author: codehippie1

SampleApp/src/app/features/features.component.html

@@ -1454,6 +1454,7 @@ <h2 class="interactive-title">Document Loading Error</h2>
 <div class="external-viewer-host">
   <ng2-pdfjs-viewer
     #externalBlobViewer
+    viewerId="externalBlobViewer"
     [externalWindow]="true"
     [urlValidation]="true"
     [diagnosticLogs]="diagnosticLogs"

SampleApp/src/app/features/features.component.ts

@@ -112,7 +112,7 @@ export class FeaturesComponent implements OnInit {
   public errorMessage = "Custom error message for demonstration";
 
   // Theme & Visual Customization
-  public theme: "light" | "dark" | "auto" = "light";
+  public theme: "light" | "dark" | "auto" = "auto";
   public primaryColor = "#007acc";
   public backgroundColor = "";
   public pageBorderColor = "";

lib/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ng2-pdfjs-viewer",
-  "version": "25.0.14",
+  "version": "25.0.15",
   "description": "The most comprehensive Angular PDF viewer powered by Mozilla PDF.js. 7M+ downloads, mobile-first, production-ready with complete rewrite in v25.x",
   "author": {
     "name": "Aneesh Goapalakrishnan",

lib/pdfjs/web/postmessage-wrapper.js

@@ -23,17 +23,19 @@
     // Get the initial file URL from query parameters
     const urlParams = new URLSearchParams(window.location.search);
     const currentFileUrl = urlParams.get('file');
+    const viewerId = urlParams.get('viewerId') || 'default';
 
-    // Check if we already have a stored original URL
-    const storedOriginalUrl = sessionStorage.getItem('ng2-pdfjs-viewer-original-file-url');
+    // Check if we already have a stored original URL for this viewer
+    const storageKey = `ng2-pdfjs-viewer-original-file-url-${viewerId}`;
+    const storedOriginalUrl = sessionStorage.getItem(storageKey);
 
     if (storedOriginalUrl) {
       // Use the stored original URL (from previous page load)
       originalFileUrl = storedOriginalUrl;
     } else if (currentFileUrl) {
       // Store the current URL as the original (first time loading)
       originalFileUrl = currentFileUrl;
-      sessionStorage.setItem('ng2-pdfjs-viewer-original-file-url', originalFileUrl);
+      sessionStorage.setItem(storageKey, originalFileUrl);
     }
   }
 

lib/src/ng2-pdfjs-viewer.component.ts

@@ -309,7 +309,7 @@ export class PdfJsViewerComponent
   // #endregion
 
   // #region Theme & Visual Customization Properties
-  @Input() public theme: "light" | "dark" | "auto" = "light";
+  @Input() public theme: "light" | "dark" | "auto" = "auto";
   @Input() public primaryColor?: string;
   @Input() public backgroundColor?: string;
   @Input() public pageBorderColor?: string;
@@ -1553,7 +1553,7 @@ export class PdfJsViewerComponent
     // Queue theme and visual customization configurations
     // Always queue theme to ensure initial styles are applied
 
-    this.queueConfiguration("theme", this.theme || "light", "set-theme");
+    this.queueConfiguration("theme", this.theme || "auto", "set-theme");
 
     if (this.primaryColor) {
       this.queueConfiguration(