1 files changed, 219 insertions, 0 deletions
diff --git a/sfx2/source/appl/preventduplicateinteraction.cxx b/sfx2/source/appl/preventduplicateinteraction.cxx
new file mode 100644
index 000000000..31dcd113b
--- /dev/null
+++ b/sfx2/source/appl/preventduplicateinteraction.cxx
@@ -0,0 +1,219 @@
+/* -*- 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 <preventduplicateinteraction.hxx>
+
+#include <comphelper/processfactory.hxx>
+#include <osl/diagnose.h>
+
+#include <com/sun/star/task/InteractionHandler.hpp>
+#include <com/sun/star/task/XInteractionAbort.hpp>
+
+namespace sfx2 {
+
+PreventDuplicateInteraction::PreventDuplicateInteraction(const css::uno::Reference< css::uno::XComponentContext >& rxContext)
+    : m_xContext(rxContext)
+{
+}
+
+PreventDuplicateInteraction::~PreventDuplicateInteraction()
+{
+}
+
+void PreventDuplicateInteraction::setHandler(const css::uno::Reference< css::task::XInteractionHandler >& xHandler)
+{
+    // SAFE ->
+    std::unique_lock aLock(m_aLock);
+    m_xWarningDialogsParent.reset();
+    m_xHandler = xHandler;
+    // <- SAFE
+}
+
+void PreventDuplicateInteraction::useDefaultUUIHandler()
+{
+    //if we use the default handler, set the parent to a window belonging to this object so that the dialogs
+    //don't block unrelated windows.
+    m_xWarningDialogsParent.reset(new WarningDialogsParentScope(m_xContext));
+    css::uno::Reference<css::task::XInteractionHandler> xHandler(css::task::InteractionHandler::createWithParent(
+        m_xContext, m_xWarningDialogsParent->GetDialogParent()), css::uno::UNO_QUERY_THROW);
+
+    // SAFE ->
+    std::unique_lock aLock(m_aLock);
+    m_xHandler = xHandler;
+    // <- SAFE
+}
+
+css::uno::Any SAL_CALL PreventDuplicateInteraction::queryInterface( const css::uno::Type& aType )
+{
+    if ( aType.equals( cppu::UnoType<XInteractionHandler2>::get() ) )
+    {
+        std::unique_lock aLock(m_aLock);
+        css::uno::Reference< css::task::XInteractionHandler2 > xHandler( m_xHandler, css::uno::UNO_QUERY );
+        if ( !xHandler.is() )
+            return css::uno::Any();
+    }
+    return ::cppu::WeakImplHelper<css::lang::XInitialization, css::task::XInteractionHandler2>::queryInterface(aType);
+}
+
+void SAL_CALL PreventDuplicateInteraction::handle(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
+{
+    css::uno::Any aRequest  = xRequest->getRequest();
+    bool          bHandleIt = true;
+
+    // SAFE ->
+    std::unique_lock aLock(m_aLock);
+
+    auto pIt = std::find_if(m_lInteractionRules.begin(), m_lInteractionRules.end(),
+        [&aRequest](const InteractionInfo& rInfo) { return aRequest.isExtractableTo(rInfo.m_aInteraction); });
+    if (pIt != m_lInteractionRules.end())
+    {
+        InteractionInfo& rInfo = *pIt;
+
+        ++rInfo.m_nCallCount;
+        rInfo.m_xRequest = xRequest;
+        bHandleIt = (rInfo.m_nCallCount <= rInfo.m_nMaxCount);
+    }
+
+    css::uno::Reference< css::task::XInteractionHandler > xHandler = m_xHandler;
+
+    aLock.unlock();
+    // <- SAFE
+
+    if ( bHandleIt && xHandler.is() )
+    {
+        xHandler->handle(xRequest);
+    }
+    else
+    {
+        const css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > > lContinuations = xRequest->getContinuations();
+        for (const auto& rContinuation : lContinuations)
+        {
+            css::uno::Reference< css::task::XInteractionAbort > xAbort(rContinuation, css::uno::UNO_QUERY);
+            if (xAbort.is())
+            {
+                xAbort->select();
+                break;
+            }
+        }
+    }
+}
+
+sal_Bool SAL_CALL PreventDuplicateInteraction::handleInteractionRequest( const css::uno::Reference< css::task::XInteractionRequest >& xRequest )
+{
+    css::uno::Any aRequest  = xRequest->getRequest();
+    bool      bHandleIt = true;
+
+    // SAFE ->
+    std::unique_lock aLock(m_aLock);
+
+    auto pIt = std::find_if(m_lInteractionRules.begin(), m_lInteractionRules.end(),
+        [&aRequest](const InteractionInfo& rInfo) { return aRequest.isExtractableTo(rInfo.m_aInteraction); });
+    if (pIt != m_lInteractionRules.end())
+    {
+        InteractionInfo& rInfo = *pIt;
+
+        ++rInfo.m_nCallCount;
+        rInfo.m_xRequest = xRequest;
+        bHandleIt = (rInfo.m_nCallCount <= rInfo.m_nMaxCount);
+    }
+
+    css::uno::Reference< css::task::XInteractionHandler2 > xHandler( m_xHandler, css::uno::UNO_QUERY );
+    OSL_ENSURE( xHandler.is() || !m_xHandler.is(),
+        "PreventDuplicateInteraction::handleInteractionRequest: inconsistency!" );
+
+    aLock.unlock();
+    // <- SAFE
+
+    if ( bHandleIt && xHandler.is() )
+    {
+        return xHandler->handleInteractionRequest(xRequest);
+    }
+    else
+    {
+        const css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > > lContinuations = xRequest->getContinuations();
+        for (const auto& rContinuation : lContinuations)
+        {
+            css::uno::Reference< css::task::XInteractionAbort > xAbort(rContinuation, css::uno::UNO_QUERY);
+            if (xAbort.is())
+            {
+                xAbort->select();
+                break;
+            }
+        }
+    }
+    return false;
+}
+
+void PreventDuplicateInteraction::addInteractionRule(const PreventDuplicateInteraction::InteractionInfo& aInteractionInfo)
+{
+    // SAFE ->
+    std::unique_lock aLock(m_aLock);
+
+    auto pIt = std::find_if(m_lInteractionRules.begin(), m_lInteractionRules.end(),
+        [&aInteractionInfo](const InteractionInfo& rInfo) { return rInfo.m_aInteraction == aInteractionInfo.m_aInteraction; });
+    if (pIt != m_lInteractionRules.end())
+    {
+        InteractionInfo& rInfo = *pIt;
+        rInfo.m_nMaxCount  = aInteractionInfo.m_nMaxCount;
+        rInfo.m_nCallCount = aInteractionInfo.m_nCallCount;
+        return;
+    }
+
+    m_lInteractionRules.push_back(aInteractionInfo);
+    // <- SAFE
+}
+
+bool PreventDuplicateInteraction::getInteractionInfo(const css::uno::Type&                               aInteraction,
+                                                           PreventDuplicateInteraction::InteractionInfo* pReturn     ) const
+{
+    // SAFE ->
+    std::unique_lock aLock(m_aLock);
+
+    auto pIt = std::find_if(m_lInteractionRules.begin(), m_lInteractionRules.end(),
+        [&aInteraction](const InteractionInfo& rInfo) { return rInfo.m_aInteraction == aInteraction; });
+    if (pIt != m_lInteractionRules.end())
+    {
+        *pReturn = *pIt;
+        return true;
+    }
+    // <- SAFE
+
+    return false;
+}
+
+void SAL_CALL PreventDuplicateInteraction::initialize(const css::uno::Sequence<css::uno::Any>& rArguments)
+{
+    // If we're re-initialized to set a specific new window as a parent then drop our temporary
+    // dialog parent
+    css::uno::Reference<css::lang::XInitialization> xHandler(m_xHandler, css::uno::UNO_QUERY);
+    if (xHandler.is())
+    {
+        m_xWarningDialogsParent.reset();
+        xHandler->initialize(rArguments);
+    }
+}
+
+IMPL_STATIC_LINK_NOARG(WarningDialogsParent, TerminateDesktop, void*, void)
+{
+    css::frame::Desktop::create(comphelper::getProcessComponentContext())->terminate();
+}
+
+} // namespace sfx2
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */