Disable accessibility for guest views

It is not implemented yet.

Fixes: QTBUG-105134
Change-Id: Ide86d038729fe2647bd9a5560b30729697a4f575
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
(cherry picked from commit 5a84ae36a948ef534258d302bd40c74dc0446f2b)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/core/browser_accessibility_manager_qt.cpp b/src/core/browser_accessibility_manager_qt.cpp
index dcbb3a006..7c16d54a0 100644
--- a/src/core/browser_accessibility_manager_qt.cpp
+++ b/src/core/browser_accessibility_manager_qt.cpp
@@ -2,10 +2,16 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
 #include "browser_accessibility_manager_qt.h"
+#include "qtwebenginecoreglobal_p.h"
 
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "ui/accessibility/ax_enums.mojom.h"
 
+#if QT_CONFIG(webengine_extensions)
+#include "content/browser/renderer_host/render_frame_host_impl.h"
+#include "content/public/browser/web_contents.h"
+#endif // QT_CONFIG(webengine_extensions)
+
 #include "browser_accessibility_qt.h"
 #include "render_widget_host_view_qt.h"
 
@@ -24,6 +30,17 @@ BrowserAccessibilityManager *BrowserAccessibilityManager::Create(
     Q_ASSERT(delegate);
     QtWebEngineCore::WebContentsAccessibilityQt *access = nullptr;
     access = static_cast<QtWebEngineCore::WebContentsAccessibilityQt *>(delegate->AccessibilityGetWebContentsAccessibility());
+
+#if QT_CONFIG(webengine_extensions)
+    // Accessibility is not supported for guest views.
+    if (!access) {
+        Q_ASSERT(content::WebContents::FromRenderFrameHost(
+                         static_cast<content::RenderFrameHostImpl *>(delegate))
+                         ->GetOuterWebContents());
+        return nullptr;
+    }
+#endif // QT_CONFIG(webengine_extensions)
+
     return new BrowserAccessibilityManagerQt(access, initialTree, delegate);
 #else
     return nullptr;