1 files changed, 254 insertions, 0 deletions
diff --git a/ucbhelper/source/provider/resultsethelper.cxx b/ucbhelper/source/provider/resultsethelper.cxx
new file mode 100644
index 000000000..60f8977d1
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+++ b/ucbhelper/source/provider/resultsethelper.cxx
@@ -0,0 +1,254 @@
+/* -*- 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 .
+ */
+
+
+/**************************************************************************
+                                TODO
+ **************************************************************************
+
+ - This implementation is far away from completion. It has no interface
+   for changes notifications etc.
+
+ *************************************************************************/
+#include <com/sun/star/ucb/ListActionType.hpp>
+#include <com/sun/star/ucb/ListenerAlreadySetException.hpp>
+#include <com/sun/star/ucb/ServiceNotFoundException.hpp>
+#include <com/sun/star/ucb/WelcomeDynamicResultSetStruct.hpp>
+#include <com/sun/star/ucb/CachedDynamicResultSetStubFactory.hpp>
+#include <com/sun/star/ucb/XSourceInitialization.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <ucbhelper/resultsethelper.hxx>
+
+#include <osl/diagnose.h>
+
+using namespace com::sun::star;
+
+
+// ResultSetImplHelper Implementation.
+
+
+namespace ucbhelper {
+
+
+ResultSetImplHelper::ResultSetImplHelper(
+    const uno::Reference< uno::XComponentContext >& rxContext,
+    const css::ucb::OpenCommandArgument2& rCommand )
+: m_bStatic( false ),
+  m_bInitDone( false ),
+  m_aCommand( rCommand ),
+  m_xContext( rxContext )
+{
+}
+
+
+// virtual
+ResultSetImplHelper::~ResultSetImplHelper()
+{
+}
+
+
+// XServiceInfo methods.
+
+OUString SAL_CALL ResultSetImplHelper::getImplementationName()
+{
+    return "ResultSetImplHelper";
+}
+
+sal_Bool SAL_CALL ResultSetImplHelper::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService( this, ServiceName );
+}
+
+css::uno::Sequence< OUString > SAL_CALL ResultSetImplHelper::getSupportedServiceNames()
+{
+    return { DYNAMICRESULTSET_SERVICE_NAME };
+}
+
+// XComponent methods.
+
+
+// virtual
+void SAL_CALL ResultSetImplHelper::dispose()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_aDisposeEventListeners.getLength(aGuard) )
+    {
+        lang::EventObject aEvt;
+        aEvt.Source = static_cast< lang::XComponent * >( this );
+        m_aDisposeEventListeners.disposeAndClear( aGuard, aEvt );
+    }
+}
+
+
+// virtual
+void SAL_CALL ResultSetImplHelper::addEventListener(
+        const uno::Reference< lang::XEventListener >& Listener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    m_aDisposeEventListeners.addInterface( aGuard, Listener );
+}
+
+
+// virtual
+void SAL_CALL ResultSetImplHelper::removeEventListener(
+        const uno::Reference< lang::XEventListener >& Listener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    m_aDisposeEventListeners.removeInterface( aGuard, Listener );
+}
+
+
+// XDynamicResultSet methods.
+
+
+// virtual
+uno::Reference< sdbc::XResultSet > SAL_CALL
+ResultSetImplHelper::getStaticResultSet()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_xListener.is() )
+        throw css::ucb::ListenerAlreadySetException();
+
+    init( true );
+    return m_xResultSet1;
+}
+
+
+// virtual
+void SAL_CALL ResultSetImplHelper::setListener(
+        const uno::Reference< css::ucb::XDynamicResultSetListener >& Listener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bStatic || m_xListener.is() )
+        throw css::ucb::ListenerAlreadySetException();
+
+    m_xListener = Listener;
+
+
+    // Create "welcome event" and send it to listener.
+
+
+    // Note: We only have the implementation for a static result set at the
+    //       moment (src590). The dynamic result sets passed to the listener
+    //       are a fake. This implementation will never call "notify" at the
+    //       listener to propagate any changes!!!
+
+    init( false );
+
+    uno::Any aInfo;
+    aInfo <<= css::ucb::WelcomeDynamicResultSetStruct(
+        m_xResultSet1 /* "old" */,
+        m_xResultSet2 /* "new" */ );
+
+    uno::Sequence< css::ucb::ListAction > aActions {
+         css::ucb::ListAction(
+            0, // Position; not used
+            0, // Count; not used
+            css::ucb::ListActionType::WELCOME,
+            aInfo ) };
+    aGuard.unlock();
+
+    Listener->notify(
+        css::ucb::ListEvent(
+            static_cast< cppu::OWeakObject * >( this ), aActions ) );
+}
+
+
+// virtual
+sal_Int16 SAL_CALL ResultSetImplHelper::getCapabilities()
+{
+    // ! css::ucb::ContentResultSetCapability::SORTED
+    return 0;
+}
+
+
+// virtual
+void SAL_CALL ResultSetImplHelper::connectToCache(
+        const uno::Reference< css::ucb::XDynamicResultSet > & xCache )
+{
+    if ( m_xListener.is() )
+        throw css::ucb::ListenerAlreadySetException();
+
+    if ( m_bStatic )
+        throw css::ucb::ListenerAlreadySetException();
+
+    uno::Reference< css::ucb::XSourceInitialization > xTarget( xCache, uno::UNO_QUERY );
+    if ( xTarget.is() )
+    {
+        uno::Reference< css::ucb::XCachedDynamicResultSetStubFactory >  xStubFactory;
+        try
+        {
+            xStubFactory
+                = css::ucb::CachedDynamicResultSetStubFactory::create(
+                      m_xContext );
+        }
+        catch ( uno::Exception const & )
+        {
+        }
+
+        if ( xStubFactory.is() )
+        {
+            xStubFactory->connectToCache(
+                                  this, xCache, m_aCommand.SortingInfo, nullptr );
+            return;
+        }
+    }
+    throw css::ucb::ServiceNotFoundException();
+}
+
+
+// Non-interface methods.
+
+
+void ResultSetImplHelper::init( bool bStatic )
+{
+    if ( m_bInitDone )
+        return;
+
+    if ( bStatic )
+    {
+        // virtual... derived class fills m_xResultSet1
+        initStatic();
+
+        OSL_ENSURE( m_xResultSet1.is(),
+                    "ResultSetImplHelper::init - No 1st result set!" );
+        m_bStatic = true;
+    }
+    else
+    {
+        // virtual... derived class fills m_xResultSet1 and m_xResultSet2
+        initDynamic();
+
+        OSL_ENSURE( m_xResultSet1.is(),
+                    "ResultSetImplHelper::init - No 1st result set!" );
+        OSL_ENSURE( m_xResultSet2.is(),
+                    "ResultSetImplHelper::init - No 2nd result set!" );
+        m_bStatic = false;
+    }
+    m_bInitDone = true;
+}
+
+} // namespace ucbhelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */