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/* -*- 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
**************************************************************************
- 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/ListenerAlreadySetException.hpp>
#include <com/sun/star/ucb/ServiceNotFoundException.hpp>
#include <com/sun/star/ucb/WelcomeDynamicResultSetStruct.hpp>
#include <com/sun/star/ucb/CachedDynamicResultSetStubFactory.hpp>
#include <com/sun/star/ucb/XSourceInitialization.hpp>
#include <cppuhelper/interfacecontainer.h>
#include <cppuhelper/queryinterface.hxx>
#include <ucbhelper/resultsethelper.hxx>
#include <ucbhelper/macros.hxx>
#include <osl/diagnose.h>
using namespace com::sun::star;
// ResultSetImplHelper Implementation.
namespace ucbhelper {
ResultSetImplHelper::ResultSetImplHelper(
const uno::Reference< uno::XComponentContext >& rxContext,
const css::ucb::OpenCommandArgument2& rCommand )
: m_bStatic( false ),
m_bInitDone( false ),
m_aCommand( rCommand ),
m_xContext( rxContext )
{
}
// virtual
ResultSetImplHelper::~ResultSetImplHelper()
{
}
// XServiceInfo methods.
OUString SAL_CALL ResultSetImplHelper::getImplementationName()
{
return "ResultSetImplHelper";
}
sal_Bool SAL_CALL ResultSetImplHelper::supportsService( const OUString& ServiceName )
{
return cppu::supportsService( this, ServiceName );
}
css::uno::Sequence< OUString > SAL_CALL ResultSetImplHelper::getSupportedServiceNames()
{
return { DYNAMICRESULTSET_SERVICE_NAME };
}
// XComponent methods.
// virtual
void SAL_CALL ResultSetImplHelper::dispose()
{
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 )
{
osl::MutexGuard aGuard( m_aMutex );
if ( !m_pDisposeEventListeners )
m_pDisposeEventListeners.reset(new cppu::OInterfaceContainerHelper( m_aMutex ));
m_pDisposeEventListeners->addInterface( Listener );
}
// virtual
void SAL_CALL ResultSetImplHelper::removeEventListener(
const uno::Reference< lang::XEventListener >& Listener )
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pDisposeEventListeners )
m_pDisposeEventListeners->removeInterface( Listener );
}
// XDynamicResultSet methods.
// virtual
uno::Reference< sdbc::XResultSet > SAL_CALL
ResultSetImplHelper::getStaticResultSet()
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_xListener.is() )
throw css::ucb::ListenerAlreadySetException();
init( true );
return m_xResultSet1;
}
// virtual
void SAL_CALL ResultSetImplHelper::setListener(
const uno::Reference< css::ucb::XDynamicResultSetListener >& Listener )
{
osl::ClearableMutexGuard aGuard( m_aMutex );
if ( m_bStatic || m_xListener.is() )
throw css::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( false );
uno::Any aInfo;
aInfo <<= css::ucb::WelcomeDynamicResultSetStruct(
m_xResultSet1 /* "old" */,
m_xResultSet2 /* "new" */ );
uno::Sequence< css::ucb::ListAction > aActions {
css::ucb::ListAction(
0, // Position; not used
0, // Count; not used
css::ucb::ListActionType::WELCOME,
aInfo ) };
aGuard.clear();
Listener->notify(
css::ucb::ListEvent(
static_cast< cppu::OWeakObject * >( this ), aActions ) );
}
// virtual
sal_Int16 SAL_CALL ResultSetImplHelper::getCapabilities()
{
// ! css::ucb::ContentResultSetCapability::SORTED
return 0;
}
// virtual
void SAL_CALL ResultSetImplHelper::connectToCache(
const uno::Reference< css::ucb::XDynamicResultSet > & xCache )
{
if ( m_xListener.is() )
throw css::ucb::ListenerAlreadySetException();
if ( m_bStatic )
throw css::ucb::ListenerAlreadySetException();
uno::Reference< css::ucb::XSourceInitialization > xTarget( xCache, uno::UNO_QUERY );
if ( xTarget.is() )
{
uno::Reference< css::ucb::XCachedDynamicResultSetStubFactory > xStubFactory;
try
{
xStubFactory
= css::ucb::CachedDynamicResultSetStubFactory::create(
m_xContext );
}
catch ( uno::Exception const & )
{
}
if ( xStubFactory.is() )
{
xStubFactory->connectToCache(
this, xCache, m_aCommand.SortingInfo, nullptr );
return;
}
}
throw css::ucb::ServiceNotFoundException();
}
// Non-interface methods.
void ResultSetImplHelper::init( 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 = 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 = false;
}
m_bInitDone = true;
}
}
} // namespace ucbhelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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