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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 .
*/
#include <cppuhelper/compbase_ex.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
using namespace ::osl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace cppu
{
// WeakComponentImplHelperBase
WeakComponentImplHelperBase::WeakComponentImplHelperBase( Mutex & rMutex )
: rBHelper( rMutex )
{
}
WeakComponentImplHelperBase::~WeakComponentImplHelperBase()
{
}
void WeakComponentImplHelperBase::disposing()
{
}
Any WeakComponentImplHelperBase::queryInterface( Type const & rType )
{
if (rType == cppu::UnoType<lang::XComponent>::get())
{
void * p = static_cast< lang::XComponent * >( this );
return Any( &p, rType );
}
return OWeakObject::queryInterface( rType );
}
void WeakComponentImplHelperBase::acquire()
throw ()
{
OWeakObject::acquire();
}
void WeakComponentImplHelperBase::release()
throw ()
{
if (osl_atomic_decrement( &m_refCount ) != 0)
return;
// ensure no other references are created, via the weak connection point, from now on
disposeWeakConnectionPoint();
// restore reference count:
osl_atomic_increment( &m_refCount );
if (! rBHelper.bDisposed) {
try {
dispose();
}
catch (RuntimeException const& exc) { // don't break throw ()
SAL_WARN( "cppuhelper", exc );
}
OSL_ASSERT( rBHelper.bDisposed );
}
OWeakObject::release();
}
void WeakComponentImplHelperBase::dispose()
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (rBHelper.bDisposed || rBHelper.bInDispose)
return;
rBHelper.bInDispose = true;
aGuard.clear();
try
{
// side effect: keeping a reference to this
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
try
{
rBHelper.aLC.disposeAndClear( aEvt );
disposing();
}
catch (...)
{
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = true;
rBHelper.bInDispose = false;
throw;
}
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = true;
rBHelper.bInDispose = false;
}
catch (RuntimeException &)
{
throw;
}
catch (Exception & exc)
{
css::uno::Any anyEx = cppu::getCaughtException();
throw lang::WrappedTargetRuntimeException(
"unexpected UNO exception caught: " + exc.Message,
nullptr, anyEx );
}
}
void WeakComponentImplHelperBase::addEventListener(
Reference< lang::XEventListener > const & xListener )
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (rBHelper.bDisposed || rBHelper.bInDispose)
{
aGuard.clear();
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
xListener->disposing( aEvt );
}
else
{
rBHelper.addListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
}
}
void WeakComponentImplHelperBase::removeEventListener(
Reference< lang::XEventListener > const & xListener )
{
rBHelper.removeListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
}
// WeakAggComponentImplHelperBase
WeakAggComponentImplHelperBase::WeakAggComponentImplHelperBase( Mutex & rMutex )
: rBHelper( rMutex )
{
}
WeakAggComponentImplHelperBase::~WeakAggComponentImplHelperBase()
{
}
void WeakAggComponentImplHelperBase::disposing()
{
}
Any WeakAggComponentImplHelperBase::queryInterface( Type const & rType )
{
return OWeakAggObject::queryInterface( rType );
}
Any WeakAggComponentImplHelperBase::queryAggregation( Type const & rType )
{
if (rType == cppu::UnoType<lang::XComponent>::get())
{
void * p = static_cast< lang::XComponent * >( this );
return Any( &p, rType );
}
return OWeakAggObject::queryAggregation( rType );
}
void WeakAggComponentImplHelperBase::acquire()
throw ()
{
OWeakAggObject::acquire();
}
void WeakAggComponentImplHelperBase::release()
throw ()
{
Reference<XInterface> const xDelegator_(xDelegator);
if (xDelegator_.is()) {
OWeakAggObject::release();
}
else if (osl_atomic_decrement( &m_refCount ) == 0) {
// ensure no other references are created, via the weak connection point, from now on
disposeWeakConnectionPoint();
// restore reference count:
osl_atomic_increment( &m_refCount );
if (! rBHelper.bDisposed) {
try {
dispose();
}
catch (RuntimeException const& exc) { // don't break throw ()
SAL_WARN( "cppuhelper", exc );
}
OSL_ASSERT( rBHelper.bDisposed );
}
OWeakAggObject::release();
}
}
void WeakAggComponentImplHelperBase::dispose()
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (rBHelper.bDisposed || rBHelper.bInDispose)
return;
rBHelper.bInDispose = true;
aGuard.clear();
try
{
// side effect: keeping a reference to this
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
try
{
rBHelper.aLC.disposeAndClear( aEvt );
disposing();
}
catch (...)
{
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = true;
rBHelper.bInDispose = false;
throw;
}
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = true;
rBHelper.bInDispose = false;
}
catch (RuntimeException &)
{
throw;
}
catch (Exception & exc)
{
css::uno::Any anyEx = cppu::getCaughtException();
throw lang::WrappedTargetRuntimeException(
"unexpected UNO exception caught: " + exc.Message,
nullptr, anyEx );
}
}
void WeakAggComponentImplHelperBase::addEventListener(
Reference< lang::XEventListener > const & xListener )
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (rBHelper.bDisposed || rBHelper.bInDispose)
{
aGuard.clear();
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
xListener->disposing( aEvt );
}
else
{
rBHelper.addListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
}
}
void WeakAggComponentImplHelperBase::removeEventListener(
Reference< lang::XEventListener > const & xListener )
{
// if we have disposed, then we have cleared the list already
MutexGuard aGuard( rBHelper.rMutex );
if (!rBHelper.bDisposed)
rBHelper.removeListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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