1 files changed, 176 insertions, 0 deletions
diff --git a/svx/source/form/formdispatchinterceptor.cxx b/svx/source/form/formdispatchinterceptor.cxx
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+++ b/svx/source/form/formdispatchinterceptor.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 <formdispatchinterceptor.hxx>
+
+namespace svxform
+{
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::UNO_QUERY;
+    using ::com::sun::star::uno::Sequence;
+    using ::com::sun::star::frame::XDispatchProviderInterception;
+    using ::com::sun::star::frame::XDispatchProviderInterceptor;
+    using ::com::sun::star::lang::XComponent;
+    using ::com::sun::star::util::URL;
+    using ::com::sun::star::frame::XDispatch;
+    using ::com::sun::star::frame::DispatchDescriptor;
+    using ::com::sun::star::frame::XDispatchProvider;
+    using ::com::sun::star::lang::EventObject;
+
+    DispatchInterceptionMultiplexer::DispatchInterceptionMultiplexer(
+                const Reference< XDispatchProviderInterception >& _rxToIntercept, DispatchInterceptor* _pMaster )
+        :DispatchInterceptionMultiplexer_BASE(_pMaster && _pMaster->getInterceptorMutex() ? *_pMaster->getInterceptorMutex() : m_aFallback)
+        ,m_pMutex( _pMaster && _pMaster->getInterceptorMutex() ? _pMaster->getInterceptorMutex() : &m_aFallback )
+        ,m_xIntercepted(_rxToIntercept)
+        ,m_bListening(false)
+        ,m_pMaster(_pMaster)
+    {
+
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        osl_atomic_increment(&m_refCount);
+        if (_rxToIntercept.is())
+        {
+            _rxToIntercept->registerDispatchProviderInterceptor(static_cast<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
+            Reference< XComponent> xInterceptedComponent(_rxToIntercept, UNO_QUERY);
+            if (xInterceptedComponent.is())
+            {
+                xInterceptedComponent->addEventListener(this);
+                m_bListening = true;
+            }
+        }
+        osl_atomic_decrement(&m_refCount);
+    }
+
+
+    DispatchInterceptionMultiplexer::~DispatchInterceptionMultiplexer()
+    {
+        if (!rBHelper.bDisposed)
+            dispose();
+
+    }
+
+
+    Reference< XDispatch > SAL_CALL DispatchInterceptionMultiplexer::queryDispatch( const URL& aURL, const OUString& aTargetFrameName, sal_Int32 nSearchFlags )
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        Reference< XDispatch> xResult;
+        // ask our 'real' interceptor
+        if (m_pMaster)
+            xResult = m_pMaster->interceptedQueryDispatch( aURL, aTargetFrameName, nSearchFlags);
+
+        // ask our slave provider
+        if (!xResult.is() && m_xSlaveDispatcher.is())
+            xResult = m_xSlaveDispatcher->queryDispatch(aURL, aTargetFrameName, nSearchFlags);
+
+        return xResult;
+    }
+
+
+    Sequence< Reference< XDispatch > > SAL_CALL
+    DispatchInterceptionMultiplexer::queryDispatches( const Sequence< DispatchDescriptor >& aDescripts )
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        Sequence< Reference< XDispatch> > aReturn(aDescripts.getLength());
+        std::transform(aDescripts.begin(), aDescripts.end(), aReturn.getArray(),
+            [this](const DispatchDescriptor& rDescript) -> Reference< XDispatch> {
+                return queryDispatch(rDescript.FeatureURL, rDescript.FrameName, rDescript.SearchFlags); });
+        return aReturn;
+    }
+
+
+    Reference< XDispatchProvider > SAL_CALL DispatchInterceptionMultiplexer::getSlaveDispatchProvider(  )
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        return m_xSlaveDispatcher;
+    }
+
+
+    void SAL_CALL DispatchInterceptionMultiplexer::setSlaveDispatchProvider(const Reference< XDispatchProvider>& xNewDispatchProvider)
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        m_xSlaveDispatcher = xNewDispatchProvider;
+    }
+
+
+    Reference< XDispatchProvider> SAL_CALL DispatchInterceptionMultiplexer::getMasterDispatchProvider()
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        return m_xMasterDispatcher;
+    }
+
+
+    void SAL_CALL DispatchInterceptionMultiplexer::setMasterDispatchProvider(const Reference< XDispatchProvider>& xNewSupplier)
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        m_xMasterDispatcher = xNewSupplier;
+    }
+
+
+    void SAL_CALL DispatchInterceptionMultiplexer::disposing(const EventObject& Source)
+    {
+        if (m_bListening)
+        {
+            Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
+            if (Source.Source == xIntercepted)
+                ImplDetach();
+        }
+    }
+
+
+    void DispatchInterceptionMultiplexer::ImplDetach()
+    {
+        ::osl::MutexGuard aGuard( *m_pMutex );
+        OSL_ENSURE(m_bListening, "DispatchInterceptionMultiplexer::ImplDetach: invalid call!");
+
+        // deregister ourself from the interception component
+        Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
+        if (xIntercepted.is())
+            xIntercepted->releaseDispatchProviderInterceptor(static_cast<XDispatchProviderInterceptor*>(this));
+
+    //  m_xIntercepted.clear();
+            // Don't reset m_xIntercepted: It may be needed by our owner to check for which object we were
+            // responsible. As we hold the object with a weak reference only, this should be no problem.
+            // 88936 - 23.07.2001 - frank.schoenheit@sun.com
+        m_pMaster = nullptr;
+        m_pMutex = &m_aFallback;
+        m_bListening = false;
+    }
+
+
+    void DispatchInterceptionMultiplexer::disposing()
+    {
+        // remove ourself as event listener from the interception component
+        if (m_bListening)
+        {
+            Reference< XComponent> xInterceptedComponent(m_xIntercepted.get(), UNO_QUERY);
+            if (xInterceptedComponent.is())
+                xInterceptedComponent->removeEventListener(static_cast<XEventListener*>(this));
+
+            // detach from the interception component
+            ImplDetach();
+        }
+    }
+
+
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */