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diff --git a/framework/source/services/ContextChangeEventMultiplexer.cxx b/framework/source/services/ContextChangeEventMultiplexer.cxx
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+++ b/framework/source/services/ContextChangeEventMultiplexer.cxx
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+/*
+ * 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 "services/ContextChangeEventMultiplexer.hxx"
+#include "services.h"
+
+using ::rtl::OUString;
+
+#define A2S(s) ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(s))
+
+using namespace css;
+using namespace cssu;
+
+namespace framework {
+
+#define IMPLEMENTATION_NAME "org.apache.openoffice.comp.framework.ContextChangeEventMultiplexer"
+#define SERVICE_NAME "com.sun.star.ui.ContextChangeEventMultiplexer"
+#define SINGLETON_NAME "org.apache.openoffice.comp.framework.ContextChangeEventMultiplexerSigleton"
+
+
+ContextChangeEventMultiplexer::ContextChangeEventMultiplexer (
+    const cssu::Reference<cssu::XComponentContext>& rxContext)
+    : ContextChangeEventMultiplexerInterfaceBase(m_aMutex),
+      maListeners()
+{
+    (void)rxContext;
+}
+
+
+
+
+ContextChangeEventMultiplexer::~ContextChangeEventMultiplexer (void)
+{
+}
+
+
+
+
+void SAL_CALL ContextChangeEventMultiplexer::disposing (void)
+{
+    ListenerMap aListeners;
+    aListeners.swap(maListeners);
+
+    cssu::Reference<cssu::XInterface> xThis (static_cast<XWeak*>(this));
+    css::lang::EventObject aEvent (xThis);
+    for (ListenerMap::const_iterator iContainer(aListeners.begin()), iEnd(aListeners.end());
+         iContainer!=iEnd;
+         ++iContainer)
+    {
+        // Unregister from the focus object.
+        Reference<lang::XComponent> xComponent (iContainer->first, UNO_QUERY);
+        if (xComponent.is())
+            xComponent->removeEventListener(this);
+
+        // Tell all listeners that we are being disposed.
+        const FocusDescriptor& rFocusDescriptor (iContainer->second);
+        for (ListenerContainer::const_iterator
+                 iListener(rFocusDescriptor.maListeners.begin()),
+                 iContainerEnd(rFocusDescriptor.maListeners.end());
+             iListener!=iContainerEnd;
+             ++iListener)
+        {
+            (*iListener)->disposing(aEvent);
+        }
+    }
+}
+
+
+
+
+// XContextChangeEventMultiplexer
+
+void SAL_CALL ContextChangeEventMultiplexer::addContextChangeEventListener (
+    const cssu::Reference<css::ui::XContextChangeEventListener>& rxListener,
+    const cssu::Reference<cssu::XInterface>& rxEventFocus)
+    throw(cssu::RuntimeException,cssl::IllegalArgumentException)
+{
+    if ( ! rxListener.is())
+        throw css::lang::IllegalArgumentException(
+            A2S("can not add an empty reference"),
+            static_cast<XWeak*>(this),
+            0);
+
+    FocusDescriptor* pFocusDescriptor = GetFocusDescriptor(rxEventFocus, true);
+    if (pFocusDescriptor != NULL)
+    {
+        ListenerContainer& rContainer (pFocusDescriptor->maListeners);
+        if (::std::find(rContainer.begin(), rContainer.end(), rxListener) == rContainer.end())
+            rContainer.push_back(rxListener);
+        else
+        {
+            // The listener was added for the same event focus
+            // previously.  That is an error.
+            throw cssl::IllegalArgumentException(A2S("listener added twice"), static_cast<XWeak*>(this), 0);
+        }
+    }
+
+    // Send out an initial event that informs the new listener about
+    // the current context.
+    if (rxEventFocus.is() && pFocusDescriptor!=NULL)
+    {
+        css::ui::ContextChangeEventObject aEvent (
+            NULL,
+            pFocusDescriptor->msCurrentApplicationName,
+            pFocusDescriptor->msCurrentContextName);
+        rxListener->notifyContextChangeEvent(aEvent);
+    }
+}
+
+
+
+
+void SAL_CALL ContextChangeEventMultiplexer::removeContextChangeEventListener (
+    const cssu::Reference<css::ui::XContextChangeEventListener>& rxListener,
+    const cssu::Reference<cssu::XInterface>& rxEventFocus)
+    throw(cssu::RuntimeException,cssl::IllegalArgumentException)
+{
+    if ( ! rxListener.is())
+        throw cssl::IllegalArgumentException(
+            A2S("can not remove an empty reference"),
+            static_cast<XWeak*>(this), 0);
+
+    FocusDescriptor* pFocusDescriptor = GetFocusDescriptor(rxEventFocus, false);
+    if (pFocusDescriptor != NULL)
+    {
+        ListenerContainer& rContainer (pFocusDescriptor->maListeners);
+        const ListenerContainer::iterator iListener (
+            ::std::find(rContainer.begin(), rContainer.end(), rxListener));
+        if (iListener != rContainer.end())
+        {
+            rContainer.erase(iListener);
+
+            // We hold on to the focus descriptor even when the last listener has been removed.
+            // This allows us to keep track of the current context and send it to new listeners.
+        }
+    }
+
+}
+
+
+
+
+void SAL_CALL ContextChangeEventMultiplexer::removeAllContextChangeEventListeners (
+    const cssu::Reference<css::ui::XContextChangeEventListener>& rxListener)
+    throw(cssu::RuntimeException,cssl::IllegalArgumentException)
+{
+    if ( ! rxListener.is())
+        throw cssl::IllegalArgumentException(
+            A2S("can not remove an empty reference"),
+            static_cast<XWeak*>(this), 0);
+
+    for (ListenerMap::iterator
+             iContainer(maListeners.begin()),
+             iEnd(maListeners.end());
+         iContainer!=iEnd;
+         ++iContainer)
+    {
+        const ListenerContainer::iterator iListener (
+            ::std::find(iContainer->second.maListeners.begin(), iContainer->second.maListeners.end(), rxListener));
+        if (iListener != iContainer->second.maListeners.end())
+        {
+            iContainer->second.maListeners.erase(iListener);
+
+            // We hold on to the focus descriptor even when the last listener has been removed.
+            // This allows us to keep track of the current context and send it to new listeners.
+        }
+    }
+}
+
+
+
+
+void SAL_CALL ContextChangeEventMultiplexer::broadcastContextChangeEvent (
+    const css::ui::ContextChangeEventObject& rEventObject,
+    const cssu::Reference<cssu::XInterface>& rxEventFocus)
+    throw(cssu::RuntimeException)
+{
+    // Remember the current context.
+    if (rxEventFocus.is())
+    {
+        FocusDescriptor* pFocusDescriptor = GetFocusDescriptor(rxEventFocus, true);
+        if (pFocusDescriptor != NULL)
+        {
+            pFocusDescriptor->msCurrentApplicationName = rEventObject.ApplicationName;
+            pFocusDescriptor->msCurrentContextName = rEventObject.ContextName;
+        }
+    }
+
+    BroadcastEventToSingleContainer(rEventObject, rxEventFocus);
+    if (rxEventFocus.is())
+        BroadcastEventToSingleContainer(rEventObject, NULL);
+}
+
+
+
+
+void ContextChangeEventMultiplexer::BroadcastEventToSingleContainer (
+    const css::ui::ContextChangeEventObject& rEventObject,
+    const cssu::Reference<cssu::XInterface>& rxEventFocus)
+{
+    FocusDescriptor* pFocusDescriptor = GetFocusDescriptor(rxEventFocus, false);
+    if (pFocusDescriptor != NULL)
+    {
+        // Create a copy of the listener container to avoid problems
+        // when one of the called listeners calls add... or remove...
+        ListenerContainer aContainer (pFocusDescriptor->maListeners);
+        for (ListenerContainer::const_iterator
+                 iListener(aContainer.begin()),
+                 iEnd(aContainer.end());
+             iListener!=iEnd;
+             ++iListener)
+        {
+            (*iListener)->notifyContextChangeEvent(rEventObject);
+        }
+    }
+}
+
+
+
+
+ContextChangeEventMultiplexer::FocusDescriptor* ContextChangeEventMultiplexer::GetFocusDescriptor (
+    const cssu::Reference<cssu::XInterface>& rxEventFocus,
+    const bool bCreateWhenMissing)
+{
+    ListenerMap::iterator iDescriptor (maListeners.find(rxEventFocus));
+    if (iDescriptor == maListeners.end() && bCreateWhenMissing)
+    {
+        // Listen for the focus being disposed.
+        Reference<lang::XComponent> xComponent (rxEventFocus, UNO_QUERY);
+        if (xComponent.is())
+            xComponent->addEventListener(this);
+
+        // Create a new listener container for the event focus.
+        iDescriptor = maListeners.insert(
+            ListenerMap::value_type(
+                rxEventFocus,
+                FocusDescriptor())).first;
+    }
+    if (iDescriptor != maListeners.end())
+        return &iDescriptor->second;
+    else
+        return NULL;
+}
+
+
+
+
+// XSingleComponentFactory
+
+cssu::Reference<cssu::XInterface> SAL_CALL ContextChangeEventMultiplexer::createInstanceWithContext (
+    const cssu::Reference<cssu::XComponentContext>& rxContext)
+    throw (cssu::Exception, cssu::RuntimeException)
+{
+    (void)rxContext;
+    return cssu::Reference<cssu::XInterface>();
+}
+
+
+
+
+cssu::Reference<cssu::XInterface > SAL_CALL ContextChangeEventMultiplexer::createInstanceWithArgumentsAndContext (
+    const cssu::Sequence<cssu::Any>& rArguments,
+    const cssu::Reference<cssu::XComponentContext>& rxContext)
+    throw (cssu::Exception, cssu::RuntimeException)
+{
+    (void)rArguments;
+    (void)rxContext;
+    return cssu::Reference<cssu::XInterface>();
+}
+
+
+
+
+// XServiceInfo
+
+::rtl::OUString SAL_CALL ContextChangeEventMultiplexer::getImplementationName (void)
+    throw(cssu::RuntimeException)
+{
+    return impl_getStaticImplementationName();
+}
+
+
+
+
+
+sal_Bool SAL_CALL ContextChangeEventMultiplexer::supportsService (
+    const ::rtl::OUString& rsServiceName)
+    throw (cssu::RuntimeException)
+{
+    return ::comphelper::findValue(static_GetSupportedServiceNames(), rsServiceName, sal_True).getLength() != 0;
+}
+
+
+
+
+cssu::Sequence<OUString> SAL_CALL ContextChangeEventMultiplexer::getSupportedServiceNames (void)
+    throw (cssu::RuntimeException)
+{
+    return static_GetSupportedServiceNames();
+}
+
+
+
+
+void SAL_CALL ContextChangeEventMultiplexer::disposing (
+    const css::lang::EventObject& rEvent)
+    throw (cssu::RuntimeException)
+{
+    ListenerMap::iterator iDescriptor (maListeners.find(rEvent.Source));
+
+    if (iDescriptor == maListeners.end())
+    {
+        OSL_ASSERT(iDescriptor != maListeners.end());
+        return;
+    }
+
+    // Should we notify the remaining listeners?
+
+    maListeners.erase(iDescriptor);
+}
+
+
+
+
+// Local and static methods.
+
+OUString SAL_CALL ContextChangeEventMultiplexer::impl_getStaticImplementationName (void)
+{
+    return A2S(IMPLEMENTATION_NAME);
+}
+
+
+
+
+cssu::Sequence<OUString> SAL_CALL ContextChangeEventMultiplexer::static_GetSupportedServiceNames (void)
+{
+    cssu::Sequence<OUString> aServiceNames (2);
+    aServiceNames[0] = A2S(SERVICE_NAME);
+    aServiceNames[1] = A2S(SINGLETON_NAME);
+    return aServiceNames;
+}
+
+
+
+
+cssu::Reference<cssu::XInterface> ContextChangeEventMultiplexer::impl_createFactory (
+    const cssu::Reference<cssl::XMultiServiceFactory>& rxServiceManager)
+{
+    (void)rxServiceManager;
+    return cppu::createSingleComponentFactory(
+        ContextChangeEventMultiplexer::static_CreateInstance,
+        ContextChangeEventMultiplexer::impl_getStaticImplementationName(),
+        ContextChangeEventMultiplexer::static_GetSupportedServiceNames()
+        );
+}
+
+
+
+
+cssu::Reference<cssu::XInterface> SAL_CALL ContextChangeEventMultiplexer::static_CreateInstance (
+    const cssu::Reference<cssu::XComponentContext>& rxComponentContext)
+    throw (cssu::Exception)
+{
+    ContextChangeEventMultiplexer* pObject = new ContextChangeEventMultiplexer(rxComponentContext);
+    cssu::Reference<cssu::XInterface> xService (static_cast<XWeak*>(pObject), cssu::UNO_QUERY);
+    return xService;
+}
+
+}  // end of namespace framework