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Diffstat (limited to 'basctl/source/basicide/documentenumeration.cxx')
| -rw-r--r-- | basctl/source/basicide/documentenumeration.cxx | 169 |
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: */ |