Enable the integrated PDF viewer. https://redmine.stoutner.com/issues/835

[PrivacyBrowserPC.git] / src / widgets / TabWidget.cpp

diff --git a/src/widgets/TabWidget.cpp b/src/widgets/TabWidget.cpp
index 4edb304d0db6c45ed5d757a6d4a5f6cd20ad5596..aee71d73820d3db97c3f3e2ac433be8731fddb47 100644 (file)
--- a/src/widgets/TabWidget.cpp
+++ b/src/widgets/TabWidget.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2022-2023 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc>.
  *
@@ -267,7 +267,7 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
         return false;
     });
 
-    // Disable JavaScript by default (this prevetns JavaScript from being enabled on a new tab before domain settings are loaded).
+    // Disable JavaScript by default (this prevents JavaScript from being enabled on a new tab before domain settings are loaded).
     webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
 
     // Don't allow JavaScript to open windows.
@@ -285,6 +285,12 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
     // Limit WebRTC to public IP addresses.
     webEngineSettingsPointer->setAttribute(QWebEngineSettings::WebRTCPublicInterfacesOnly, true);
 
+    // Enable the PDF viewer (it should be enabled by default, but it is nice to be explicit in case the defaults change).
+    webEngineSettingsPointer->setAttribute(QWebEngineSettings::PdfViewerEnabled, true);
+
+    // Plugins must be enabled for the PDF viewer to work.  <https://doc.qt.io/qt-5/qtwebengine-features.html#pdf-file-viewing>
+    webEngineSettingsPointer->setAttribute(QWebEngineSettings::PluginsEnabled, true);
+
     // Update the cookies action.
     connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::updateCookiesAction, [privacyWebEngineViewPointer, this] (const int numberOfCookies)
     {