Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 169 insertions, 0 deletions

diff --git a/basctl/source/basicide/documentenumeration.cxx b/basctl/source/basicide/documentenumeration.cxx
new file mode 100644
index 000000000..e3acf9d45
--- /dev/null
+++ b/basctl/source/basicide/documentenumeration.cxx
@@ -0,0 +1,169 @@
+/* -*- 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 <sal/config.h>
+
+#include <set>
+
+#include "documentenumeration.hxx"
+
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XModel2.hpp>
+#include <com/sun/star/frame/FrameSearchFlag.hpp>
+
+#include <tools/diagnose_ex.h>
+
+namespace basctl::docs {
+
+    using ::com::sun::star::uno::Exception;
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::UNO_QUERY_THROW;
+    using ::com::sun::star::uno::UNO_SET_THROW;
+    using ::com::sun::star::frame::Desktop;
+    using ::com::sun::star::frame::XDesktop2;
+    using ::com::sun::star::container::XEnumeration;
+    using ::com::sun::star::frame::XModel;
+    using ::com::sun::star::frame::XFrames;
+    using ::com::sun::star::frame::XController;
+    using ::com::sun::star::frame::XModel2;
+    using ::com::sun::star::uno::UNO_QUERY;
+    using ::com::sun::star::uno::Sequence;
+    using ::com::sun::star::frame::XFrame;
+
+    namespace FrameSearchFlag = ::com::sun::star::frame::FrameSearchFlag;
+
+    // DocumentEnumeration_Data
+    struct DocumentEnumeration_Data
+    {
+        Reference< css::uno::XComponentContext > aContext;
+        const IDocumentDescriptorFilter*    pFilter;
+
+        DocumentEnumeration_Data( Reference< css::uno::XComponentContext > const & _rContext, const IDocumentDescriptorFilter* _pFilter )
+            :aContext( _rContext )
+            ,pFilter( _pFilter )
+        {
+        }
+    };
+
+    // DocumentEnumeration
+    DocumentEnumeration::DocumentEnumeration( Reference< css::uno::XComponentContext > const & _rContext, const IDocumentDescriptorFilter* _pFilter )
+        :m_pData( new DocumentEnumeration_Data( _rContext, _pFilter ) )
+    {
+    }
+
+    DocumentEnumeration::~DocumentEnumeration()
+    {
+    }
+
+    namespace
+    {
+        void lcl_getDocumentControllers_nothrow( DocumentDescriptor& _io_rDocDesc )
+        {
+            OSL_PRECOND( _io_rDocDesc.xModel.is(), "lcl_getDocumentControllers_nothrow: illegal model!" );
+
+            _io_rDocDesc.aControllers.clear();
+            try
+            {
+                Reference< XModel2 > xModel2( _io_rDocDesc.xModel, UNO_QUERY );
+                if ( xModel2.is() )
+                {
+                    Reference< XEnumeration > xEnum( xModel2->getControllers(), UNO_SET_THROW );
+                    while ( xEnum->hasMoreElements() )
+                    {
+                        Reference< XController > xController( xEnum->nextElement(), UNO_QUERY_THROW );
+                        _io_rDocDesc.aControllers.push_back( xController );
+                    }
+                }
+                else if ( _io_rDocDesc.xModel.is() )
+                    _io_rDocDesc.aControllers.push_back( _io_rDocDesc.xModel->getCurrentController() );
+            }
+            catch( const Exception& )
+            {
+                DBG_UNHANDLED_EXCEPTION("basctl.basicide");
+            }
+        }
+
+        void lcl_getDocuments_nothrow( const Sequence< Reference< XFrame > >& _rFrames, Documents& _out_rDocuments,
+            const IDocumentDescriptorFilter* _pFilter )
+        {
+            // ensure we don't encounter some models multiple times
+            std::set< Reference< XModel > > aEncounteredModels;
+
+            for ( auto const & rFrame : _rFrames )
+            {
+                try
+                {
+                    OSL_ENSURE( rFrame.is(), "lcl_getDocuments_nothrow: illegal frame!" );
+                    if ( !rFrame.is() )
+                        continue;
+                    Reference< XController > xController( rFrame->getController() );
+                    if ( !xController.is() )
+                        continue;
+
+                    Reference< XModel > xModel( xController->getModel() );
+                    if ( !xModel.is() )
+                        // though it's legal for a controller to not have a model, we're not interested in
+                        // those
+                        continue;
+
+                    if ( !aEncounteredModels.insert( xModel ).second )
+                        // there might be multiple frames for the same model
+                        // handle it only once
+                        continue;
+
+                    // create a DocumentDescriptor
+                    DocumentDescriptor aDescriptor;
+                    aDescriptor.xModel = xModel;
+                    lcl_getDocumentControllers_nothrow( aDescriptor );
+
+                    // consult filter, if there is one
+                    if ( _pFilter && !_pFilter->includeDocument( aDescriptor ) )
+                        continue;
+
+                    _out_rDocuments.push_back( aDescriptor );
+                }
+                catch( const Exception& )
+                {
+                    DBG_UNHANDLED_EXCEPTION("basctl.basicide");
+                }
+            }
+        }
+    }
+
+    void DocumentEnumeration::getDocuments( Documents& _out_rDocuments ) const
+    {
+        _out_rDocuments.clear();
+
+        try
+        {
+            const Reference< XDesktop2 > xDesktop = Desktop::create( m_pData->aContext );
+            const Reference< XFrames > xFrames( xDesktop->getFrames(), UNO_SET_THROW );
+            const Sequence< Reference< XFrame > > aFrames( xFrames->queryFrames( FrameSearchFlag::ALL ) );
+
+            lcl_getDocuments_nothrow( aFrames, _out_rDocuments, m_pData->pFilter );
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("basctl.basicide");
+        }
+    }
+
+} // namespace basctl::docs
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */