1 files changed, 110 insertions, 0 deletions
diff --git a/sd/source/console/PresenterFrameworkObserver.cxx b/sd/source/console/PresenterFrameworkObserver.cxx
new file mode 100644
index 0000000000..3ca06a9137
--- /dev/null
+++ b/sd/source/console/PresenterFrameworkObserver.cxx
@@ -0,0 +1,110 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "PresenterFrameworkObserver.hxx"
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <utility>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::drawing::framework;
+
+
+namespace sdext::presenter {
+
+PresenterFrameworkObserver::PresenterFrameworkObserver (
+    css::uno::Reference<css::drawing::framework::XConfigurationController> xController,
+    const Action& rAction)
+    : PresenterFrameworkObserverInterfaceBase(m_aMutex),
+      mxConfigurationController(std::move(xController)),
+      maAction(rAction)
+{
+    if ( ! mxConfigurationController.is())
+        throw lang::IllegalArgumentException();
+
+    if (mxConfigurationController->hasPendingRequests())
+    {
+        mxConfigurationController->addConfigurationChangeListener(
+            this,
+            "ConfigurationUpdateEnd",
+            Any());
+    }
+    else
+    {
+        rAction(true);
+    }
+}
+
+PresenterFrameworkObserver::~PresenterFrameworkObserver()
+{
+}
+
+void PresenterFrameworkObserver::RunOnUpdateEnd (
+    const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
+    const Action& rAction)
+{
+    new PresenterFrameworkObserver(
+        rxController,
+        rAction);
+}
+
+void SAL_CALL PresenterFrameworkObserver::disposing()
+{
+    if (maAction)
+        maAction(false);
+    Shutdown();
+}
+
+void PresenterFrameworkObserver::Shutdown()
+{
+    maAction = Action();
+    if (mxConfigurationController != nullptr)
+    {
+        mxConfigurationController->removeConfigurationChangeListener(this);
+        mxConfigurationController = nullptr;
+    }
+}
+
+void SAL_CALL PresenterFrameworkObserver::disposing (const lang::EventObject& rEvent)
+{
+    if ( ! rEvent.Source.is())
+        return;
+
+    if (rEvent.Source == mxConfigurationController)
+    {
+        mxConfigurationController = nullptr;
+        if (maAction)
+            maAction(false);
+    }
+}
+
+void SAL_CALL PresenterFrameworkObserver::notifyConfigurationChange (
+    const ConfigurationChangeEvent& /*rEvent*/)
+{
+    Action aAction(maAction);
+    Shutdown();
+    aAction(true);
+
+    maAction = nullptr;
+    dispose();
+}
+
+}  // end of namespace ::sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */