Files
libreoffice/ucbhelper/source/provider/resultsethelper.cxx
Stephan Bergmann 9c9276c9e1 ucbhelper: Use appropriate OUString functions on string constants
Change-Id: Id5832f8ca20f5ff3179a25bc3c28be7b9fde5bfb
2014-12-18 14:12:36 +01:00

321 lines
8.9 KiB
C++

/* -*- 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/WelcomeDynamicResultSetStruct.hpp>
#include <com/sun/star/ucb/CachedDynamicResultSetStubFactory.hpp>
#include <com/sun/star/ucb/XSourceInitialization.hpp>
#include <cppuhelper/interfacecontainer.hxx>
#include <ucbhelper/resultsethelper.hxx>
#include <ucbhelper/getcomponentcontext.hxx>
#include "osl/diagnose.h"
using namespace com::sun::star;
// ResultSetImplHelper Implementation.
namespace ucbhelper {
ResultSetImplHelper::ResultSetImplHelper(
const uno::Reference< uno::XComponentContext >& rxContext,
const com::sun::star::ucb::OpenCommandArgument2& rCommand )
: m_pDisposeEventListeners( 0 ),
m_bStatic( false ),
m_bInitDone( false ),
m_aCommand( rCommand ),
m_xContext( rxContext )
{
}
// virtual
ResultSetImplHelper::~ResultSetImplHelper()
{
delete m_pDisposeEventListeners;
}
// XInterface methods.
void SAL_CALL ResultSetImplHelper::acquire()
throw()
{
OWeakObject::acquire();
}
void SAL_CALL ResultSetImplHelper::release()
throw()
{
OWeakObject::release();
}
css::uno::Any SAL_CALL ResultSetImplHelper::queryInterface( const css::uno::Type & rType )
throw( css::uno::RuntimeException, std::exception )
{
css::uno::Any aRet = cppu::queryInterface( rType,
(static_cast< lang::XTypeProvider* >(this)),
(static_cast< lang::XServiceInfo* >(this)),
(static_cast< lang::XComponent* >(this)),
(static_cast< css::ucb::XDynamicResultSet* >(this))
);
return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
}
// XTypeProvider methods.
XTYPEPROVIDER_IMPL_3( ResultSetImplHelper,
lang::XTypeProvider,
lang::XServiceInfo,
com::sun::star::ucb::XDynamicResultSet );
// XServiceInfo methods.
XSERVICEINFO_NOFACTORY_IMPL_1( ResultSetImplHelper,
OUString(
"ResultSetImplHelper" ),
DYNAMICRESULTSET_SERVICE_NAME );
// XComponent methods.
// virtual
void SAL_CALL ResultSetImplHelper::dispose()
throw( uno::RuntimeException, std::exception )
{
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, std::exception )
{
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, std::exception )
{
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, std::exception )
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_xListener.is() )
throw com::sun::star::ucb::ListenerAlreadySetException();
init( 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, std::exception )
{
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( 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, std::exception )
{
// ! 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, std::exception )
{
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
= com::sun::star::ucb::CachedDynamicResultSetStubFactory::create(
m_xContext );
}
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( 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: */