2 files changed, 56 insertions, 0 deletions
diff --git a/test/Library_test.mk b/test/Library_test.mk
index 4be059857a84..8b1fd214490d 100644
--- a/test/Library_test.mk
+++ b/test/Library_test.mk
@@ -50,6 +50,7 @@ $(eval $(call gb_Library_add_exception_objects,test,\
     test/source/htmltesttools \
     test/source/screenshot_test \
     test/source/unoapi_property_testers \
+    test/source/lokcallback \
 	test/source/helper/form \
 	test/source/helper/shape \
 	test/source/helper/transferable \
diff --git a/test/source/lokcallback.cxx b/test/source/lokcallback.cxx
new file mode 100644
index 000000000000..912fe2d8c807
--- /dev/null
+++ b/test/source/lokcallback.cxx
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <test/lokcallback.hxx>
+
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
+#include <rtl/strbuf.hxx>
+#include <tools/gen.hxx>
+#include <comphelper/lok.hxx>
+
+TestLokCallbackWrapper::TestLokCallbackWrapper(LibreOfficeKitCallback callback, void* data)
+    : m_callback(callback)
+    , m_data(data)
+{
+}
+
+inline void TestLokCallbackWrapper::callCallback(int nType, const char* pPayload)
+{
+    m_callback(nType, pPayload, m_data);
+}
+
+void TestLokCallbackWrapper::libreOfficeKitViewCallback(int nType, const char* pPayload)
+{
+    callCallback(nType, pPayload);
+}
+
+void TestLokCallbackWrapper::libreOfficeKitViewCallback(int nType, const char* pPayload,
+                                                        int /*nViewId*/)
+{
+    callCallback(nType, pPayload); // the view id is also included in payload
+}
+
+void TestLokCallbackWrapper::libreOfficeKitViewInvalidateTilesCallback(
+    const tools::Rectangle* pRect, int nPart)
+{
+    OStringBuffer buf(64);
+    if (pRect)
+        buf.append(pRect->toString());
+    else
+        buf.append("EMPTY");
+    if (comphelper::LibreOfficeKit::isPartInInvalidation())
+    {
+        buf.append(", ");
+        buf.append(static_cast<sal_Int32>(nPart));
+    }
+    callCallback(LOK_CALLBACK_INVALIDATE_TILES, buf.makeStringAndClear().getStr());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */