office-gobmx/ucbhelper/source/provider/resultsethelper.cxx
2011-11-27 13:26:27 -06:00

320 lines
11 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.
*
************************************************************************/
/**************************************************************************
TODO
**************************************************************************
- This implementation is far away from completion. It has no interface
for changes notifications etc.
*************************************************************************/
#include <com/sun/star/ucb/ListActionType.hpp>
#include <com/sun/star/ucb/WelcomeDynamicResultSetStruct.hpp>
#include <com/sun/star/ucb/XCachedDynamicResultSetStubFactory.hpp>
#include <com/sun/star/ucb/XSourceInitialization.hpp>
#include <cppuhelper/interfacecontainer.hxx>
#include <ucbhelper/resultsethelper.hxx>
#include "osl/diagnose.h"
using namespace com::sun::star;
//=========================================================================
//=========================================================================
//
// ResultSetImplHelper Implementation.
//
//=========================================================================
//=========================================================================
namespace ucbhelper {
//=========================================================================
ResultSetImplHelper::ResultSetImplHelper(
const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const com::sun::star::ucb::OpenCommandArgument2& rCommand )
: m_pDisposeEventListeners( 0 ),
m_bStatic( sal_False ),
m_bInitDone( sal_False ),
m_aCommand( rCommand ),
m_xSMgr( rxSMgr )
{
}
//=========================================================================
// virtual
ResultSetImplHelper::~ResultSetImplHelper()
{
delete m_pDisposeEventListeners;
}
//=========================================================================
//
// XInterface methods.
//
//=========================================================================
XINTERFACE_IMPL_4( ResultSetImplHelper,
lang::XTypeProvider,
lang::XServiceInfo,
lang::XComponent, /* base of XDynamicResultSet */
com::sun::star::ucb::XDynamicResultSet );
//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================
XTYPEPROVIDER_IMPL_3( ResultSetImplHelper,
lang::XTypeProvider,
lang::XServiceInfo,
com::sun::star::ucb::XDynamicResultSet );
//=========================================================================
//
// XServiceInfo methods.
//
//=========================================================================
XSERVICEINFO_NOFACTORY_IMPL_1( ResultSetImplHelper,
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
"ResultSetImplHelper" )),
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
DYNAMICRESULTSET_SERVICE_NAME )) );
//=========================================================================
//
// XComponent methods.
//
//=========================================================================
// virtual
void SAL_CALL ResultSetImplHelper::dispose()
throw( uno::RuntimeException )
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pDisposeEventListeners && m_pDisposeEventListeners->getLength() )
{
lang::EventObject aEvt;
aEvt.Source = static_cast< lang::XComponent * >( this );
m_pDisposeEventListeners->disposeAndClear( aEvt );
}
}
//=========================================================================
// virtual
void SAL_CALL ResultSetImplHelper::addEventListener(
const uno::Reference< lang::XEventListener >& Listener )
throw( uno::RuntimeException )
{
osl::MutexGuard aGuard( m_aMutex );
if ( !m_pDisposeEventListeners )
m_pDisposeEventListeners
= new cppu::OInterfaceContainerHelper( m_aMutex );
m_pDisposeEventListeners->addInterface( Listener );
}
//=========================================================================
// virtual
void SAL_CALL ResultSetImplHelper::removeEventListener(
const uno::Reference< lang::XEventListener >& Listener )
throw( uno::RuntimeException )
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pDisposeEventListeners )
m_pDisposeEventListeners->removeInterface( Listener );
}
//=========================================================================
//
// XDynamicResultSet methods.
//
//=========================================================================
// virtual
uno::Reference< sdbc::XResultSet > SAL_CALL
ResultSetImplHelper::getStaticResultSet()
throw( com::sun::star::ucb::ListenerAlreadySetException,
uno::RuntimeException )
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_xListener.is() )
throw com::sun::star::ucb::ListenerAlreadySetException();
init( sal_True );
return m_xResultSet1;
}
//=========================================================================
// virtual
void SAL_CALL ResultSetImplHelper::setListener(
const uno::Reference< com::sun::star::ucb::XDynamicResultSetListener >&
Listener )
throw( com::sun::star::ucb::ListenerAlreadySetException,
uno::RuntimeException )
{
osl::ClearableMutexGuard aGuard( m_aMutex );
if ( m_bStatic || m_xListener.is() )
throw com::sun::star::ucb::ListenerAlreadySetException();
m_xListener = Listener;
//////////////////////////////////////////////////////////////////////
// Create "welcome event" and send it to listener.
//////////////////////////////////////////////////////////////////////
// Note: We only have the implementation for a static result set at the
// moment (src590). The dynamic result sets passed to the listener
// are a fake. This implementation will never call "notify" at the
// listener to propagate any changes!!!
init( sal_False );
uno::Any aInfo;
aInfo <<= com::sun::star::ucb::WelcomeDynamicResultSetStruct(
m_xResultSet1 /* "old" */,
m_xResultSet2 /* "new" */ );
uno::Sequence< com::sun::star::ucb::ListAction > aActions( 1 );
aActions.getArray()[ 0 ]
= com::sun::star::ucb::ListAction(
0, // Position; not used
0, // Count; not used
com::sun::star::ucb::ListActionType::WELCOME,
aInfo );
aGuard.clear();
Listener->notify(
com::sun::star::ucb::ListEvent(
static_cast< cppu::OWeakObject * >( this ), aActions ) );
}
//=========================================================================
// virtual
sal_Int16 SAL_CALL ResultSetImplHelper::getCapabilities()
throw( uno::RuntimeException )
{
// ! com::sun::star::ucb::ContentResultSetCapability::SORTED
return 0;
}
//=========================================================================
// virtual
void SAL_CALL ResultSetImplHelper::connectToCache(
const uno::Reference< com::sun::star::ucb::XDynamicResultSet > &
xCache )
throw( com::sun::star::ucb::ListenerAlreadySetException,
com::sun::star::ucb::AlreadyInitializedException,
com::sun::star::ucb::ServiceNotFoundException,
uno::RuntimeException )
{
if ( m_xListener.is() )
throw com::sun::star::ucb::ListenerAlreadySetException();
if ( m_bStatic )
throw com::sun::star::ucb::ListenerAlreadySetException();
uno::Reference< com::sun::star::ucb::XSourceInitialization >
xTarget( xCache, uno::UNO_QUERY );
if ( xTarget.is() )
{
uno::Reference<
com::sun::star::ucb::XCachedDynamicResultSetStubFactory >
xStubFactory;
try
{
xStubFactory
= uno::Reference<
com::sun::star::ucb::XCachedDynamicResultSetStubFactory >(
m_xSMgr->createInstance(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.ucb.CachedDynamicResultSetStubFactory" )) ),
uno::UNO_QUERY );
}
catch ( uno::Exception const & )
{
}
if ( xStubFactory.is() )
{
xStubFactory->connectToCache(
this, xCache, m_aCommand.SortingInfo, 0 );
return;
}
}
throw com::sun::star::ucb::ServiceNotFoundException();
}
//=========================================================================
//
// Non-interface methods.
//
//=========================================================================
void ResultSetImplHelper::init( sal_Bool bStatic )
{
osl::MutexGuard aGuard( m_aMutex );
if ( !m_bInitDone )
{
if ( bStatic )
{
// virtual... derived class fills m_xResultSet1
initStatic();
OSL_ENSURE( m_xResultSet1.is(),
"ResultSetImplHelper::init - No 1st result set!" );
m_bStatic = sal_True;
}
else
{
// virtual... derived class fills m_xResultSet1 and m_xResultSet2
initDynamic();
OSL_ENSURE( m_xResultSet1.is(),
"ResultSetImplHelper::init - No 1st result set!" );
OSL_ENSURE( m_xResultSet2.is(),
"ResultSetImplHelper::init - No 2nd result set!" );
m_bStatic = sal_False;
}
m_bInitDone = sal_True;
}
}
} // namespace ucbhelper
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