diff options
Diffstat (limited to 'ucb/source/ucp/gio/gio_datasupplier.cxx')
| -rw-r--r-- | ucb/source/ucp/gio/gio_datasupplier.cxx | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/ucb/source/ucp/gio/gio_datasupplier.cxx b/ucb/source/ucp/gio/gio_datasupplier.cxx new file mode 100644 index 0000000000..01fdc3e574 --- /dev/null +++ b/ucb/source/ucp/gio/gio_datasupplier.cxx @@ -0,0 +1,257 @@ +/* -*- 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 <ucbhelper/contentidentifier.hxx> +#include <ucbhelper/providerhelper.hxx> +#include <com/sun/star/ucb/IllegalIdentifierException.hpp> +#include <com/sun/star/ucb/OpenMode.hpp> +#include <utility> + +#include "gio_datasupplier.hxx" +#include "gio_content.hxx" + +using namespace gio; + +namespace gio +{ + +DataSupplier::DataSupplier( rtl::Reference< ::gio::Content > xContent, sal_Int32 nOpenMode ) + : mxContent(std::move(xContent)), mnOpenMode(nOpenMode), mbCountFinal(false) +{ +} + +bool DataSupplier::getData() +{ + if (mbCountFinal) + return true; + + GFile *pFile = mxContent->getGFile(); + + GFileEnumerator* pEnumerator = g_file_enumerate_children(pFile, "*", + G_FILE_QUERY_INFO_NONE, nullptr, nullptr); + + if (!pEnumerator) + return false; + + GFileInfo *pInfo = nullptr; + while ((pInfo = g_file_enumerator_next_file (pEnumerator, nullptr, nullptr))) + { + switch ( mnOpenMode ) + { + case css::ucb::OpenMode::FOLDERS: + if (g_file_info_get_file_type(pInfo) != G_FILE_TYPE_DIRECTORY) + continue; + break; + case css::ucb::OpenMode::DOCUMENTS: + if (g_file_info_get_file_type(pInfo) != G_FILE_TYPE_REGULAR) + continue; + break; + case css::ucb::OpenMode::ALL: + default: + break; + } + + maResults.emplace_back( new ResultListEntry( pInfo ) ); + g_object_unref(pInfo); + } + + mbCountFinal = true; + + g_file_enumerator_close(pEnumerator, nullptr, nullptr); + return true; +} + +DataSupplier::~DataSupplier() +{ +} + +OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex ) +{ + if ( nIndex < maResults.size() ) + { + OUString aId = maResults[ nIndex ]->aId; + if ( aId.getLength() ) + { + // Already cached. + return aId; + } + } + + if ( getResult( nIndex ) ) + { + GFile *pFile = mxContent->getGFile(); + char* parent = g_file_get_uri(pFile); + OUString aId = OUString::createFromAscii( parent ); + g_free(parent); + + char *escaped_name = + g_uri_escape_string( g_file_info_get_name(maResults[ nIndex ]->pInfo) , nullptr, false); + + if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() ) + aId += "/"; + + aId += OUString::createFromAscii( escaped_name ); + + g_free( escaped_name ); + + maResults[ nIndex ]->aId = aId; + return aId; + } + + return OUString(); +} + +css::uno::Reference< css::ucb::XContentIdentifier > DataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) +{ + if ( nIndex < maResults.size() ) + { + css::uno::Reference< css::ucb::XContentIdentifier > xId = maResults[ nIndex ]->xId; + if ( xId.is() ) + { + // Already cached. + return xId; + } + } + + OUString aId = queryContentIdentifierString( nIndex ); + if ( aId.getLength() ) + { + css::uno::Reference< css::ucb::XContentIdentifier > xId = new ucbhelper::ContentIdentifier( aId ); + maResults[ nIndex ]->xId = xId; + return xId; + } + + return css::uno::Reference< css::ucb::XContentIdentifier >(); +} + +css::uno::Reference< css::ucb::XContent > DataSupplier::queryContent( sal_uInt32 nIndex ) +{ + if ( nIndex < maResults.size() ) + { + css::uno::Reference< css::ucb::XContent > xContent = maResults[ nIndex ]->xContent; + if ( xContent.is() ) + { + // Already cached. + return xContent; + } + } + + css::uno::Reference< css::ucb::XContentIdentifier > xId = queryContentIdentifier( nIndex ); + if ( xId.is() ) + { + try + { + css::uno::Reference< css::ucb::XContent > xContent = mxContent->getProvider()->queryContent( xId ); + maResults[ nIndex ]->xContent = xContent; + return xContent; + } + catch ( css::ucb::IllegalIdentifierException& ) + { + } + } + return css::uno::Reference< css::ucb::XContent >(); +} + +bool DataSupplier::getResult( sal_uInt32 nIndex ) +{ + if ( maResults.size() > nIndex ) // Result already present. + return true; + + if ( getData() && maResults.size() > nIndex ) + return true; + + return false; +} + +sal_uInt32 DataSupplier::totalCount() +{ + getData(); + return maResults.size(); +} + +sal_uInt32 DataSupplier::currentCount() +{ + return maResults.size(); +} + +bool DataSupplier::isCountFinal() +{ + return mbCountFinal; +} + +css::uno::Reference< css::sdbc::XRow > DataSupplier::queryPropertyValues( sal_uInt32 nIndex ) +{ + if ( nIndex < maResults.size() ) + { + css::uno::Reference< css::sdbc::XRow > xRow = maResults[ nIndex ]->xRow; + if ( xRow.is() ) + { + // Already cached. + return xRow; + } + } + + if ( getResult( nIndex ) ) + { + css::uno::Reference< css::ucb::XContent > xContent( queryContent( nIndex ) ); + if ( xContent.is() ) + { + try + { + css::uno::Reference< css::ucb::XCommandProcessor > xCmdProc( + xContent, css::uno::UNO_QUERY_THROW ); + sal_Int32 nCmdId( xCmdProc->createCommandIdentifier() ); + css::ucb::Command aCmd; + aCmd.Name = "getPropertyValues"; + aCmd.Handle = -1; + aCmd.Argument <<= getResultSet()->getProperties(); + css::uno::Any aResult( xCmdProc->execute( + aCmd, nCmdId, getResultSet()->getEnvironment() ) ); + css::uno::Reference< css::sdbc::XRow > xRow; + if ( aResult >>= xRow ) + { + maResults[ nIndex ]->xRow = xRow; + return xRow; + } + } + catch ( css::uno::Exception const & ) + { + } + } + } + return css::uno::Reference< css::sdbc::XRow >(); +} + +void DataSupplier::releasePropertyValues( sal_uInt32 nIndex ) +{ + if ( nIndex < maResults.size() ) + maResults[ nIndex ]->xRow.clear(); +} + +void DataSupplier::close() +{ +} + +void DataSupplier::validate() +{ +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |