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diff --git a/sw/source/uibase/uno/unodispatch.cxx b/sw/source/uibase/uno/unodispatch.cxx
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+++ b/sw/source/uibase/uno/unodispatch.cxx
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+/* -*- 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 <config_features.h>
+#include <config_fuzzers.h>
+
+#include <com/sun/star/frame/XFrame.hpp>
+#include <com/sun/star/view/XSelectionSupplier.hpp>
+
+#include <sfx2/viewfrm.hxx>
+#include <sfx2/dispatch.hxx>
+#include <svx/dataaccessdescriptor.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <osl/diagnose.h>
+#include <unodispatch.hxx>
+#include <view.hxx>
+#include <cmdid.h>
+#include <wrtsh.hxx>
+#include <dbmgr.hxx>
+
+using namespace ::com::sun::star;
+
+const char cURLFormLetter[] = ".uno:DataSourceBrowser/FormLetter";
+const char cURLInsertContent[] = ".uno:DataSourceBrowser/InsertContent";//data into fields
+const char cURLInsertColumns[] = ".uno:DataSourceBrowser/InsertColumns";//data into text
+const char cURLDocumentDataSource[] = ".uno:DataSourceBrowser/DocumentDataSource";//current data source of the document
+const char cInternalDBChangeNotification[] = ".uno::Writer/DataSourceChanged";
+
+SwXDispatchProviderInterceptor::SwXDispatchProviderInterceptor(SwView& rVw) :
+    m_pView(&rVw)
+{
+    uno::Reference< frame::XFrame> xUnoFrame = m_pView->GetViewFrame()->GetFrame().GetFrameInterface();
+    m_xIntercepted.set(xUnoFrame, uno::UNO_QUERY);
+    if(m_xIntercepted.is())
+    {
+        osl_atomic_increment(&m_refCount);
+        m_xIntercepted->registerDispatchProviderInterceptor(static_cast<frame::XDispatchProviderInterceptor*>(this));
+        // this should make us the top-level dispatch-provider for the component, via a call to our
+        // setDispatchProvider we should have got a fallback for requests we (i.e. our master) cannot fulfill
+        uno::Reference< lang::XComponent> xInterceptedComponent(m_xIntercepted, uno::UNO_QUERY);
+        if (xInterceptedComponent.is())
+            xInterceptedComponent->addEventListener(static_cast<lang::XEventListener*>(this));
+        osl_atomic_decrement(&m_refCount);
+    }
+}
+
+SwXDispatchProviderInterceptor::~SwXDispatchProviderInterceptor()
+{
+}
+
+uno::Reference< frame::XDispatch > SwXDispatchProviderInterceptor::queryDispatch(
+    const util::URL& aURL, const OUString& aTargetFrameName, sal_Int32 nSearchFlags )
+{
+    DispatchMutexLock_Impl aLock;
+    uno::Reference< frame::XDispatch> xResult;
+    // create some dispatch ...
+    if(m_pView && aURL.Complete.startsWith(".uno:DataSourceBrowser/"))
+    {
+        if(aURL.Complete == cURLFormLetter ||
+            aURL.Complete == cURLInsertContent ||
+                aURL.Complete == cURLInsertColumns ||
+                    aURL.Complete == cURLDocumentDataSource)
+        {
+            if(!m_xDispatch.is())
+                m_xDispatch = new SwXDispatch(*m_pView);
+            xResult = m_xDispatch;
+        }
+    }
+
+    // ask our slave provider
+    if (!xResult.is() && m_xSlaveDispatcher.is())
+        xResult = m_xSlaveDispatcher->queryDispatch(aURL, aTargetFrameName, nSearchFlags);
+
+    return xResult;
+}
+
+uno::Sequence<OUString> SAL_CALL SwXDispatchProviderInterceptor::getInterceptedURLs()
+{
+    uno::Sequence<OUString> aRet =
+    {
+         OUString(".uno:DataSourceBrowser/*")
+    };
+
+    return aRet;
+}
+
+uno::Sequence< uno::Reference< frame::XDispatch > > SwXDispatchProviderInterceptor::queryDispatches(
+    const uno::Sequence< frame::DispatchDescriptor >& aDescripts )
+{
+    DispatchMutexLock_Impl aLock;
+    uno::Sequence< uno::Reference< frame::XDispatch> > aReturn(aDescripts.getLength());
+    std::transform(aDescripts.begin(), aDescripts.end(), aReturn.getArray(),
+        [this](const frame::DispatchDescriptor& rDescr) -> uno::Reference<frame::XDispatch> {
+            return queryDispatch(rDescr.FeatureURL, rDescr.FrameName, rDescr.SearchFlags); });
+    return aReturn;
+}
+
+uno::Reference< frame::XDispatchProvider > SwXDispatchProviderInterceptor::getSlaveDispatchProvider(  )
+{
+    DispatchMutexLock_Impl aLock;
+    return m_xSlaveDispatcher;
+}
+
+void SwXDispatchProviderInterceptor::setSlaveDispatchProvider(
+    const uno::Reference< frame::XDispatchProvider >& xNewDispatchProvider )
+{
+    DispatchMutexLock_Impl aLock;
+    m_xSlaveDispatcher = xNewDispatchProvider;
+}
+
+uno::Reference< frame::XDispatchProvider > SwXDispatchProviderInterceptor::getMasterDispatchProvider(  )
+{
+    DispatchMutexLock_Impl aLock;
+    return m_xMasterDispatcher;
+}
+
+void SwXDispatchProviderInterceptor::setMasterDispatchProvider(
+    const uno::Reference< frame::XDispatchProvider >& xNewSupplier )
+{
+    DispatchMutexLock_Impl aLock;
+    m_xMasterDispatcher = xNewSupplier;
+}
+
+void SwXDispatchProviderInterceptor::disposing( const lang::EventObject& )
+{
+    DispatchMutexLock_Impl aLock;
+    if (m_xIntercepted.is())
+    {
+        m_xIntercepted->releaseDispatchProviderInterceptor(static_cast<frame::XDispatchProviderInterceptor*>(this));
+        uno::Reference< lang::XComponent> xInterceptedComponent(m_xIntercepted, uno::UNO_QUERY);
+        if (xInterceptedComponent.is())
+            xInterceptedComponent->removeEventListener(static_cast<lang::XEventListener*>(this));
+        m_xDispatch       = nullptr;
+    }
+    m_xIntercepted = nullptr;
+}
+
+const uno::Sequence< sal_Int8 > & SwXDispatchProviderInterceptor::getUnoTunnelId()
+{
+    static const comphelper::UnoIdInit theSwXDispatchProviderInterceptorUnoTunnelId;
+    return theSwXDispatchProviderInterceptorUnoTunnelId.getSeq();
+}
+
+sal_Int64 SwXDispatchProviderInterceptor::getSomething(
+    const uno::Sequence< sal_Int8 >& aIdentifier )
+{
+    return comphelper::getSomethingImpl(aIdentifier, this);
+}
+
+void    SwXDispatchProviderInterceptor::Invalidate()
+{
+    DispatchMutexLock_Impl aLock;
+    if (m_xIntercepted.is())
+    {
+        m_xIntercepted->releaseDispatchProviderInterceptor(static_cast<frame::XDispatchProviderInterceptor*>(this));
+        uno::Reference< lang::XComponent> xInterceptedComponent(m_xIntercepted, uno::UNO_QUERY);
+        if (xInterceptedComponent.is())
+            xInterceptedComponent->removeEventListener(static_cast<lang::XEventListener*>(this));
+        m_xDispatch       = nullptr;
+    }
+    m_xIntercepted = nullptr;
+    m_pView = nullptr;
+}
+
+SwXDispatch::SwXDispatch(SwView& rVw) :
+    m_pView(&rVw),
+    m_bOldEnable(false),
+    m_bListenerAdded(false)
+{
+}
+
+SwXDispatch::~SwXDispatch()
+{
+    if(m_bListenerAdded && m_pView)
+    {
+        uno::Reference<view::XSelectionSupplier> xSupplier = m_pView->GetUNOObject();
+        uno::Reference<view::XSelectionChangeListener> xThis = this;
+        xSupplier->removeSelectionChangeListener(xThis);
+    }
+}
+
+void SwXDispatch::dispatch(const util::URL& aURL,
+    const uno::Sequence< beans::PropertyValue >& aArgs)
+{
+    if(!m_pView)
+        throw uno::RuntimeException();
+#if !HAVE_FEATURE_DBCONNECTIVITY || ENABLE_FUZZERS
+    (void) aArgs;
+    if (false)
+    {
+    }
+#else
+    SwWrtShell& rSh = m_pView->GetWrtShell();
+    SwDBManager* pDBManager = rSh.GetDBManager();
+    if(aURL.Complete == cURLInsertContent)
+    {
+        svx::ODataAccessDescriptor aDescriptor(aArgs);
+        SwMergeDescriptor aMergeDesc( DBMGR_MERGE, rSh, aDescriptor );
+        pDBManager->Merge(aMergeDesc);
+    }
+    else if(aURL.Complete == cURLInsertColumns)
+    {
+        SwDBManager::InsertText(rSh, aArgs);
+    }
+    else if(aURL.Complete == cURLFormLetter)
+    {
+        SfxUnoAnyItem aDBProperties(FN_PARAM_DATABASE_PROPERTIES, uno::Any(aArgs));
+        m_pView->GetViewFrame()->GetDispatcher()->ExecuteList(
+            FN_MAILMERGE_WIZARD,
+            SfxCallMode::ASYNCHRON,
+            { &aDBProperties });
+    }
+#endif
+    else if(aURL.Complete == cURLDocumentDataSource)
+    {
+        OSL_FAIL("SwXDispatch::dispatch: this URL is not to be dispatched!");
+    }
+    else if(aURL.Complete == cInternalDBChangeNotification)
+    {
+        frame::FeatureStateEvent aEvent;
+        aEvent.Source = *static_cast<cppu::OWeakObject*>(this);
+
+        const SwDBData& rData = m_pView->GetWrtShell().GetDBData();
+        svx::ODataAccessDescriptor aDescriptor;
+        aDescriptor.setDataSource(rData.sDataSource);
+        aDescriptor[svx::DataAccessDescriptorProperty::Command]       <<= rData.sCommand;
+        aDescriptor[svx::DataAccessDescriptorProperty::CommandType]   <<= rData.nCommandType;
+
+        aEvent.State <<= aDescriptor.createPropertyValueSequence();
+        aEvent.IsEnabled = !rData.sDataSource.isEmpty();
+
+        // calls to statusChanged may call addStatusListener or removeStatusListener
+        // so copy m_aStatusListenerVector on stack
+        auto copyStatusListenerVector = m_aStatusListenerVector;
+        for (auto & status : copyStatusListenerVector)
+        {
+            if(status.aURL.Complete == cURLDocumentDataSource)
+            {
+                aEvent.FeatureURL = status.aURL;
+                status.xListener->statusChanged( aEvent );
+            }
+        }
+    }
+    else
+        throw uno::RuntimeException();
+
+}
+
+void SwXDispatch::addStatusListener(
+    const uno::Reference< frame::XStatusListener >& xControl, const util::URL& aURL )
+{
+    if(!m_pView)
+        throw uno::RuntimeException();
+    ShellMode eMode = m_pView->GetShellMode();
+    bool bEnable = ShellMode::Text == eMode  ||
+                       ShellMode::ListText == eMode  ||
+                       ShellMode::TableText == eMode  ||
+                       ShellMode::TableListText == eMode;
+
+    m_bOldEnable = bEnable;
+    frame::FeatureStateEvent aEvent;
+    aEvent.IsEnabled = bEnable;
+    aEvent.Source = *static_cast<cppu::OWeakObject*>(this);
+    aEvent.FeatureURL = aURL;
+
+    // one of the URLs requires a special state...
+    if (aURL.Complete == cURLDocumentDataSource)
+    {
+        const SwDBData& rData = m_pView->GetWrtShell().GetDBData();
+
+        svx::ODataAccessDescriptor aDescriptor;
+        aDescriptor.setDataSource(rData.sDataSource);
+        aDescriptor[svx::DataAccessDescriptorProperty::Command]       <<= rData.sCommand;
+        aDescriptor[svx::DataAccessDescriptorProperty::CommandType]   <<= rData.nCommandType;
+
+        aEvent.State <<= aDescriptor.createPropertyValueSequence();
+        aEvent.IsEnabled = !rData.sDataSource.isEmpty();
+    }
+
+    xControl->statusChanged( aEvent );
+
+    StatusStruct_Impl aStatus;
+    aStatus.xListener = xControl;
+    aStatus.aURL = aURL;
+    m_aStatusListenerVector.emplace_back(aStatus);
+
+    if(!m_bListenerAdded)
+    {
+        uno::Reference<view::XSelectionSupplier> xSupplier = m_pView->GetUNOObject();
+        uno::Reference<view::XSelectionChangeListener> xThis = this;
+        xSupplier->addSelectionChangeListener(xThis);
+        m_bListenerAdded = true;
+    }
+}
+
+void SwXDispatch::removeStatusListener(
+    const uno::Reference< frame::XStatusListener >& xControl, const util::URL&  )
+{
+    m_aStatusListenerVector.erase(
+        std::remove_if(m_aStatusListenerVector.begin(), m_aStatusListenerVector.end(),
+            [&](const StatusStruct_Impl& status) { return status.xListener.get() == xControl.get(); }),
+        m_aStatusListenerVector.end());
+    if(m_aStatusListenerVector.empty() && m_pView)
+    {
+        uno::Reference<view::XSelectionSupplier> xSupplier = m_pView->GetUNOObject();
+        uno::Reference<view::XSelectionChangeListener> xThis = this;
+        xSupplier->removeSelectionChangeListener(xThis);
+        m_bListenerAdded = false;
+    }
+}
+
+void SwXDispatch::selectionChanged( const lang::EventObject&  )
+{
+    ShellMode eMode = m_pView->GetShellMode();
+    bool bEnable = ShellMode::Text == eMode  ||
+                       ShellMode::ListText == eMode  ||
+                       ShellMode::TableText == eMode  ||
+                       ShellMode::TableListText == eMode;
+    if(bEnable == m_bOldEnable)
+        return;
+
+    m_bOldEnable = bEnable;
+    frame::FeatureStateEvent aEvent;
+    aEvent.IsEnabled = bEnable;
+    aEvent.Source = *static_cast<cppu::OWeakObject*>(this);
+
+    // calls to statusChanged may call addStatusListener or removeStatusListener
+    // so copy m_aStatusListenerVector on stack
+    auto copyStatusListenerVector = m_aStatusListenerVector;
+    for (auto & status : copyStatusListenerVector)
+    {
+        aEvent.FeatureURL = status.aURL;
+        if (status.aURL.Complete != cURLDocumentDataSource)
+            // the document's data source does not depend on the selection, so it's state does not change here
+            status.xListener->statusChanged( aEvent );
+    }
+}
+
+void SwXDispatch::disposing( const lang::EventObject& rSource )
+{
+    uno::Reference<view::XSelectionSupplier> xSupplier(rSource.Source, uno::UNO_QUERY);
+    uno::Reference<view::XSelectionChangeListener> xThis = this;
+    xSupplier->removeSelectionChangeListener(xThis);
+    m_bListenerAdded = false;
+
+    lang::EventObject aObject;
+    aObject.Source = static_cast<cppu::OWeakObject*>(this);
+    // calls to statusChanged may call addStatusListener or removeStatusListener
+    // so copy m_aStatusListenerVector on stack
+    auto copyStatusListenerVector = m_aStatusListenerVector;
+    for (auto & status : copyStatusListenerVector)
+    {
+        status.xListener->disposing(aObject);
+    }
+    m_pView = nullptr;
+}
+
+const char* SwXDispatch::GetDBChangeURL()
+{
+    return cInternalDBChangeNotification;
+}
+
+SwXDispatchProviderInterceptor::DispatchMutexLock_Impl::DispatchMutexLock_Impl()
+{
+}
+
+SwXDispatchProviderInterceptor::DispatchMutexLock_Impl::~DispatchMutexLock_Impl()
+{
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */