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Diffstat (limited to 'ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx')
| -rw-r--r-- | ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx b/ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx new file mode 100644 index 000000000..1a2f29f6b --- /dev/null +++ b/ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx @@ -0,0 +1,369 @@ +/* -*- 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 + ************************************************************************** + + *************************************************************************/ + +#include <com/sun/star/ucb/IllegalIdentifierException.hpp> +#include <com/sun/star/ucb/OpenMode.hpp> +#include <ucbhelper/contentidentifier.hxx> +#include "hierarchydatasupplier.hxx" +#include "hierarchyprovider.hxx" +#include "hierarchycontent.hxx" + +using namespace com::sun::star; +using namespace hierarchy_ucp; + + + +HierarchyResultSetDataSupplier::HierarchyResultSetDataSupplier( + const uno::Reference< uno::XComponentContext >& rxContext, + const rtl::Reference< HierarchyContent >& rContent, + sal_Int32 nOpenMode ) +: m_xContent( rContent ), m_xContext( rxContext ), + m_aFolder( rxContext, + static_cast< HierarchyContentProvider * >( + rContent->getProvider().get() ), + rContent->getIdentifier()->getContentIdentifier() ), + m_nOpenMode( nOpenMode ), m_bCountFinal( false ) +{ +} + + +// virtual +HierarchyResultSetDataSupplier::~HierarchyResultSetDataSupplier() +{ +} + + +// virtual +OUString HierarchyResultSetDataSupplier::queryContentIdentifierString( + sal_uInt32 nIndex ) +{ + std::unique_lock aGuard( m_aMutex ); + return queryContentIdentifierStringImpl(aGuard, nIndex); +} + +OUString HierarchyResultSetDataSupplier::queryContentIdentifierStringImpl( + std::unique_lock<std::mutex>& rGuard, + sal_uInt32 nIndex ) +{ + if ( nIndex < m_aResults.size() ) + { + OUString aId = m_aResults[ nIndex ]->aId; + if ( !aId.isEmpty() ) + { + // Already cached. + return aId; + } + } + + if ( getResultImpl( rGuard, nIndex ) ) + { + OUString aId + = m_xContent->getIdentifier()->getContentIdentifier(); + + if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() ) + aId += "/"; + + aId += m_aResults[ nIndex ]->aData.getName(); + + m_aResults[ nIndex ]->aId = aId; + return aId; + } + return OUString(); +} + + +// virtual +uno::Reference< ucb::XContentIdentifier > +HierarchyResultSetDataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) +{ + std::unique_lock aGuard( m_aMutex ); + + if ( nIndex < m_aResults.size() ) + { + uno::Reference< ucb::XContentIdentifier > xId + = m_aResults[ nIndex ]->xId; + if ( xId.is() ) + { + // Already cached. + return xId; + } + } + + OUString aId = queryContentIdentifierStringImpl( aGuard, nIndex ); + if ( !aId.isEmpty() ) + { + uno::Reference< ucb::XContentIdentifier > xId + = new ::ucbhelper::ContentIdentifier( aId ); + m_aResults[ nIndex ]->xId = xId; + return xId; + } + return uno::Reference< ucb::XContentIdentifier >(); +} + + +// virtual +uno::Reference< ucb::XContent > +HierarchyResultSetDataSupplier::queryContent( sal_uInt32 nIndex ) +{ + std::unique_lock aGuard( m_aMutex ); + + if ( nIndex < m_aResults.size() ) + { + uno::Reference< ucb::XContent > xContent + = m_aResults[ nIndex ]->xContent; + if ( xContent.is() ) + { + // Already cached. + return xContent; + } + } + + uno::Reference< ucb::XContentIdentifier > xId + = queryContentIdentifier( nIndex ); + if ( xId.is() ) + { + try + { + uno::Reference< ucb::XContent > xContent + = m_xContent->getProvider()->queryContent( xId ); + m_aResults[ nIndex ]->xContent = xContent; + return xContent; + + } + catch ( ucb::IllegalIdentifierException const & ) + { + } + } + return uno::Reference< ucb::XContent >(); +} + + +// virtual +bool HierarchyResultSetDataSupplier::getResult( sal_uInt32 nIndex ) +{ + std::unique_lock aGuard( m_aMutex ); + return getResultImpl(aGuard, nIndex); +} + +bool HierarchyResultSetDataSupplier::getResultImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex ) +{ + if ( m_aResults.size() > nIndex ) + { + // Result already present. + return true; + } + + // Result not (yet) present. + + if ( m_bCountFinal ) + return false; + + // Try to obtain result... + + sal_uInt32 nOldCount = m_aResults.size(); + bool bFound = false; + sal_uInt32 nPos = nOldCount; + + while ( m_aFolder.next( m_aIterator ) ) + { + const HierarchyEntryData& rResult = *m_aIterator; + if ( checkResult( rResult ) ) + { + m_aResults.emplace_back( new ResultListEntry( rResult ) ); + + if ( nPos == nIndex ) + { + // Result obtained. + bFound = true; + break; + } + } + nPos++; + } + + if ( !bFound ) + m_bCountFinal = true; + + rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet(); + if ( xResultSet.is() ) + { + // Callbacks follow! + rGuard.unlock(); + + if ( nOldCount < m_aResults.size() ) + xResultSet->rowCountChanged( + nOldCount, m_aResults.size() ); + + if ( m_bCountFinal ) + xResultSet->rowCountFinal(); + + rGuard.lock(); + } + + return bFound; +} + + +// virtual +sal_uInt32 HierarchyResultSetDataSupplier::totalCount() +{ + std::unique_lock aGuard( m_aMutex ); + + if ( m_bCountFinal ) + return m_aResults.size(); + + sal_uInt32 nOldCount = m_aResults.size(); + + while ( m_aFolder.next( m_aIterator ) ) + { + const HierarchyEntryData& rResult = *m_aIterator; + if ( checkResult( rResult ) ) + m_aResults.emplace_back( new ResultListEntry( rResult ) ); + } + + m_bCountFinal = true; + + rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet(); + if ( xResultSet.is() ) + { + // Callbacks follow! + aGuard.unlock(); + + if ( nOldCount < m_aResults.size() ) + xResultSet->rowCountChanged( + nOldCount, m_aResults.size() ); + + xResultSet->rowCountFinal(); + } + + return m_aResults.size(); +} + + +// virtual +sal_uInt32 HierarchyResultSetDataSupplier::currentCount() +{ + return m_aResults.size(); +} + + +// virtual +bool HierarchyResultSetDataSupplier::isCountFinal() +{ + return m_bCountFinal; +} + + +// virtual +uno::Reference< sdbc::XRow > +HierarchyResultSetDataSupplier::queryPropertyValues( sal_uInt32 nIndex ) +{ + std::unique_lock aGuard( m_aMutex ); + + if ( nIndex < m_aResults.size() ) + { + uno::Reference< sdbc::XRow > xRow + = m_aResults[ nIndex ]->xRow; + if ( xRow.is() ) + { + // Already cached. + return xRow; + } + } + + if ( getResultImpl( aGuard, nIndex ) ) + { + HierarchyContentProperties aData( + m_aResults[ nIndex ]->aData ); + + uno::Reference< sdbc::XRow > xRow + = HierarchyContent::getPropertyValues( + m_xContext, + getResultSet()->getProperties(), + aData, + static_cast< HierarchyContentProvider * >( + m_xContent->getProvider().get() ), + queryContentIdentifierStringImpl( aGuard, nIndex ) ); + m_aResults[ nIndex ]->xRow = xRow; + return xRow; + } + + return uno::Reference< sdbc::XRow >(); +} + + +// virtual +void HierarchyResultSetDataSupplier::releasePropertyValues( sal_uInt32 nIndex ) +{ + std::unique_lock aGuard( m_aMutex ); + + if ( nIndex < m_aResults.size() ) + m_aResults[ nIndex ]->xRow.clear(); +} + + +// virtual +void HierarchyResultSetDataSupplier::close() +{ +} + + +// virtual +void HierarchyResultSetDataSupplier::validate() +{ +} + + +bool HierarchyResultSetDataSupplier::checkResult( + const HierarchyEntryData& rResult ) +{ + switch ( m_nOpenMode ) + { + case ucb::OpenMode::FOLDERS: + if ( rResult.getType() == HierarchyEntryData::LINK ) + { + // Entry is a link. + return false; + } + break; + + case ucb::OpenMode::DOCUMENTS: + if ( rResult.getType() == HierarchyEntryData::FOLDER ) + { + // Entry is a folder. + return false; + } + break; + + case ucb::OpenMode::ALL: + default: + break; + } + + return true; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |