1 files changed, 90 insertions, 0 deletions
diff --git a/svx/source/sidebar/ContextChangeEventMultiplexer.cxx b/svx/source/sidebar/ContextChangeEventMultiplexer.cxx
new file mode 100644
index 000000000..ce552b0ac
--- /dev/null
+++ b/svx/source/sidebar/ContextChangeEventMultiplexer.cxx
@@ -0,0 +1,90 @@
+/* -*- 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 <svx/sidebar/ContextChangeEventMultiplexer.hxx>
+
+#include <com/sun/star/ui/ContextChangeEventObject.hpp>
+#include <com/sun/star/ui/XContextChangeEventMultiplexer.hpp>
+#include <com/sun/star/ui/ContextChangeEventMultiplexer.hpp>
+#include <com/sun/star/frame/ModuleManager.hpp>
+#include <comphelper/lok.hxx>
+#include <comphelper/processfactory.hxx>
+#include <sfx2/lokhelper.hxx>
+#include <sfx2/viewsh.hxx>
+
+using namespace css;
+using namespace css::uno;
+
+
+void ContextChangeEventMultiplexer::NotifyContextChange (
+    const css::uno::Reference<css::frame::XController>& rxController,
+    const vcl::EnumContext::Context eContext)
+{
+    if (!(rxController.is() && rxController->getFrame().is()))
+        return;
+
+    const css::ui::ContextChangeEventObject aEvent(
+        rxController,
+        GetModuleName(rxController->getFrame()),
+        vcl::EnumContext::GetContextName(eContext));
+
+    css::uno::Reference<css::ui::XContextChangeEventMultiplexer> xMultiplexer (
+        css::ui::ContextChangeEventMultiplexer::get(
+            ::comphelper::getProcessComponentContext()));
+    if (xMultiplexer.is())
+        xMultiplexer->broadcastContextChangeEvent(aEvent, rxController);
+
+    // notify the LOK too after all the change have taken effect.
+    if (comphelper::LibreOfficeKit::isActive())
+    {
+        if (SfxViewShell* pViewShell = SfxViewShell::Get(rxController))
+            SfxLokHelper::notifyContextChange(pViewShell, GetModuleName(rxController->getFrame()), vcl::EnumContext::GetContextName(eContext));
+    }
+}
+
+
+void ContextChangeEventMultiplexer::NotifyContextChange (
+    const SfxViewShell* pViewShell,
+    const vcl::EnumContext::Context eContext)
+{
+    if (pViewShell != nullptr)
+        NotifyContextChange(pViewShell->GetController(), eContext);
+}
+
+
+OUString ContextChangeEventMultiplexer::GetModuleName (
+    const css::uno::Reference<css::frame::XFrame>& rxFrame)
+{
+    try
+    {
+        const Reference<frame::XModuleManager> xModuleManager =
+            frame::ModuleManager::create( comphelper::getProcessComponentContext() );
+        return xModuleManager->identify(rxFrame);
+    }
+    catch (const Exception&)
+    {
+        // An exception typically means that a context change is notified
+        // during initialization or destruction of a view.
+        // Ignore it.
+    }
+    return vcl::EnumContext::GetApplicationName(
+        vcl::EnumContext::Application::NONE);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */