office-gobmx/ucb/source/ucp/gvfs/gvfs_directory.cxx
2010-12-16 20:22:45 +00:00

425 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_ucb.hxx"
/*
* This file pinched from webdavdatasupplier (etc.)
* cut & paste + new getData impl. & collate ResultSet code.
*/
#include <vector>
#include <osl/diagnose.h>
#include <com/sun/star/ucb/OpenMode.hpp>
#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/providerhelper.hxx>
#include "gvfs_directory.hxx"
#include <libgnomevfs/gnome-vfs-utils.h>
#include <libgnomevfs/gnome-vfs-directory.h>
using namespace com::sun::star;
using namespace gvfs;
// DynamicResultSet Implementation.
DynamicResultSet::DynamicResultSet(
const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const rtl::Reference< Content >& rxContent,
const ucb::OpenCommandArgument2& rCommand,
const uno::Reference< ucb::XCommandEnvironment >& rxEnv )
: ResultSetImplHelper( rxSMgr, rCommand ),
m_xContent( rxContent ),
m_xEnv( rxEnv )
{
}
void DynamicResultSet::initStatic()
{
m_xResultSet1
= new ::ucbhelper::ResultSet( m_xSMgr,
m_aCommand.Properties,
new DataSupplier( m_xSMgr,
m_xContent,
m_aCommand.Mode ),
m_xEnv );
}
void DynamicResultSet::initDynamic()
{
initStatic();
m_xResultSet2 = m_xResultSet1;
}
//=========================================================================
// DataSupplier Implementation.
struct ResultListEntry
{
rtl::OUString aId;
uno::Reference< ucb::XContentIdentifier > xId;
uno::Reference< ucb::XContent > xContent;
uno::Reference< sdbc::XRow > xRow;
GnomeVFSFileInfo aInfo;
ResultListEntry( const GnomeVFSFileInfo *fileInfo)
{
gnome_vfs_file_info_copy (&aInfo, fileInfo);
}
~ResultListEntry()
{
gnome_vfs_file_info_clear (&aInfo);
}
};
//=========================================================================
//
// ResultList.
//
//=========================================================================
typedef std::vector< ResultListEntry* > ResultList;
//=========================================================================
//
// struct DataSupplier_Impl.
//
//=========================================================================
struct gvfs::DataSupplier_Impl
{
osl::Mutex m_aMutex;
ResultList m_aResults;
rtl::Reference< Content > m_xContent;
uno::Reference< lang::XMultiServiceFactory > m_xSMgr;
sal_Int32 m_nOpenMode;
sal_Bool m_bCountFinal;
DataSupplier_Impl(
const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const rtl::Reference< Content >& rContent,
sal_Int32 nOpenMode )
: m_xContent( rContent ), m_xSMgr( rxSMgr ),
m_nOpenMode( nOpenMode ), m_bCountFinal( sal_False ) {}
~DataSupplier_Impl()
{
ResultList::const_iterator it = m_aResults.begin();
ResultList::const_iterator end = m_aResults.end();
while ( it != end )
{
delete (*it);
++it;
}
}
};
DataSupplier::DataSupplier(
const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const rtl::Reference< Content >& rContent,
sal_Int32 nOpenMode )
: m_pImpl( new DataSupplier_Impl( rxSMgr, rContent, nOpenMode ) )
{
}
//=========================================================================
// virtual
DataSupplier::~DataSupplier()
{
delete m_pImpl;
}
// virtual
rtl::OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() ) {
rtl::OUString aId = m_pImpl->m_aResults[ nIndex ]->aId;
if ( aId.getLength() ) // cached
return aId;
}
if ( getResult( nIndex ) ) {
rtl::OUString aId = m_pImpl->m_xContent->getOUURI();
char *escaped_name;
escaped_name = gnome_vfs_escape_string( m_pImpl->m_aResults[ nIndex ]->aInfo.name );
if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() )
aId += rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/"));
aId += rtl::OUString::createFromAscii( escaped_name );
g_free( escaped_name );
m_pImpl->m_aResults[ nIndex ]->aId = aId;
return aId;
}
return rtl::OUString();
}
// virtual
uno::Reference< ucb::XContentIdentifier >
DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() ) {
uno::Reference< ucb::XContentIdentifier > xId
= m_pImpl->m_aResults[ nIndex ]->xId;
if ( xId.is() ) // Already cached.
return xId;
}
rtl::OUString aId = queryContentIdentifierString( nIndex );
if ( aId.getLength() ) {
uno::Reference< ucb::XContentIdentifier > xId
= new ::ucbhelper::ContentIdentifier( aId );
m_pImpl->m_aResults[ nIndex ]->xId = xId;
return xId;
}
return uno::Reference< ucb::XContentIdentifier >();
}
// virtual
uno::Reference< ucb::XContent >
DataSupplier::queryContent( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() ) {
uno::Reference< ucb::XContent > xContent
= m_pImpl->m_aResults[ nIndex ]->xContent;
if ( xContent.is() ) // Already cached.
return xContent;
}
uno::Reference< ucb::XContentIdentifier > xId
= queryContentIdentifier( nIndex );
if ( xId.is() ) {
try
{
// FIXME:
// It would be really nice to propagate this information
// to the Content, but we can't then register it with the
// ContentProvider, and the ucbhelper hinders here.
uno::Reference< ucb::XContent > xContent
= m_pImpl->m_xContent->getProvider()->queryContent( xId );
m_pImpl->m_aResults[ nIndex ]->xContent = xContent;
return xContent;
}
catch ( ucb::IllegalIdentifierException& ) {
}
}
return uno::Reference< ucb::XContent >();
}
// virtual
sal_Bool DataSupplier::getResult( sal_uInt32 nIndex )
{
osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( m_pImpl->m_aResults.size() > nIndex ) // Result already present.
return sal_True;
if ( getData() && m_pImpl->m_aResults.size() > nIndex )
return sal_True;
return sal_False;
}
// virtual
sal_uInt32 DataSupplier::totalCount()
{
getData();
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
return m_pImpl->m_aResults.size();
}
// virtual
sal_uInt32 DataSupplier::currentCount()
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
return m_pImpl->m_aResults.size();
}
// virtual
sal_Bool DataSupplier::isCountFinal()
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
return m_pImpl->m_bCountFinal;
}
// virtual
uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() ) {
uno::Reference< sdbc::XRow > xRow = m_pImpl->m_aResults[ nIndex ]->xRow;
if ( xRow.is() ) // Already cached.
return xRow;
}
if ( getResult( nIndex ) ) {
// Inefficient - but we can't create xContent's sensibly
// nor can we do the property code sensibly cleanly staticaly.
Content *pContent = static_cast< ::gvfs::Content * >(queryContent( nIndex ).get());
uno::Reference< sdbc::XRow > xRow =
pContent->getPropertyValues( getResultSet()->getProperties(),
getResultSet()->getEnvironment() );
m_pImpl->m_aResults[ nIndex ]->xRow = xRow;
return xRow;
}
return uno::Reference< sdbc::XRow >();
}
// virtual
void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() )
m_pImpl->m_aResults[ nIndex ]->xRow = uno::Reference< sdbc::XRow >();
}
// virtual
void DataSupplier::close()
{
}
// virtual
void DataSupplier::validate()
throw( ucb::ResultSetException )
{
}
sal_Bool DataSupplier::getData()
{
osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( !m_pImpl->m_bCountFinal ) {
GnomeVFSResult result;
GnomeVFSDirectoryHandle *dirHandle = NULL;
{
Authentication aAuth( getResultSet()->getEnvironment() );
char *uri = m_pImpl->m_xContent->getURI();
result = gnome_vfs_directory_open
( &dirHandle, uri, GNOME_VFS_FILE_INFO_DEFAULT );
if (result != GNOME_VFS_OK) {
#ifdef DEBUG
g_warning ("Failed open of '%s' with '%s'",
uri, gnome_vfs_result_to_string( result ));
#endif
g_free( uri );
return sal_False;
}
g_free( uri );
}
GnomeVFSFileInfo* fileInfo = gnome_vfs_file_info_new ();
while ((result = gnome_vfs_directory_read_next (dirHandle, fileInfo)) == GNOME_VFS_OK) {
if( fileInfo->name && fileInfo->name[0] == '.' &&
( fileInfo->name[1] == '\0' ||
( fileInfo->name[1] == '.' && fileInfo->name[2] == '\0' ) ) )
continue;
switch ( m_pImpl->m_nOpenMode ) {
case ucb::OpenMode::FOLDERS:
if ( !(fileInfo->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_TYPE) ||
fileInfo->type != GNOME_VFS_FILE_TYPE_DIRECTORY )
continue;
break;
case ucb::OpenMode::DOCUMENTS:
if ( !(fileInfo->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_TYPE) ||
fileInfo->type != GNOME_VFS_FILE_TYPE_REGULAR )
continue;
break;
case ucb::OpenMode::ALL:
default:
break;
}
m_pImpl->m_aResults.push_back( new ResultListEntry( fileInfo ) );
}
gnome_vfs_file_info_unref (fileInfo);
#ifdef DEBUG
g_warning ("Got %d directory entries", result);
#endif
m_pImpl->m_bCountFinal = sal_True;
// Callback possible, because listeners may be informed!
aGuard.clear();
getResultSet()->rowCountFinal();
if (result != GNOME_VFS_ERROR_EOF) {
#ifdef DEBUG
g_warning( "Failed read_next '%s'",
gnome_vfs_result_to_string( result ) );
#endif
return sal_False;
}
result = gnome_vfs_directory_close (dirHandle);
if (result != GNOME_VFS_OK) {
#ifdef DEBUG
g_warning( "Failed close '%s'",
gnome_vfs_result_to_string( result ) );
#endif
return sal_False;
}
}
return sal_True;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */