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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 <sal/config.h>
+
+#include <cassert>
+
+#include <comphelper/proxyaggregation.hxx>
+#include <com/sun/star/reflection/ProxyFactory.hpp>
+
+
+namespace comphelper
+{
+
+
+ using namespace ::com::sun::star::uno;
+ using namespace ::com::sun::star::lang;
+ using namespace ::com::sun::star::reflection;
+
+ OProxyAggregation::OProxyAggregation( const Reference< XComponentContext >& _rxContext )
+ :m_xContext( _rxContext )
+ {
+ }
+
+
+ void OProxyAggregation::baseAggregateProxyFor( const Reference< XInterface >& _rxComponent, oslInterlockedCount& _rRefCount,
+ ::cppu::OWeakObject& _rDelegator )
+ {
+ // first a factory for the proxy
+ Reference< XProxyFactory > xFactory = ProxyFactory::create( m_xContext );
+
+ // then the proxy itself
+ { // i36686 OJ: achieve the destruction of the temporary -> otherwise it leads to _rRefCount -= 2
+ m_xProxyAggregate = xFactory->createProxy( _rxComponent );
+ }
+ if ( m_xProxyAggregate.is() )
+ m_xProxyAggregate->queryAggregation( cppu::UnoType<decltype(m_xProxyTypeAccess)>::get() ) >>= m_xProxyTypeAccess;
+
+ // aggregate the proxy
+ osl_atomic_increment( &_rRefCount );
+ if ( m_xProxyAggregate.is() )
+ {
+ // At this point in time, the proxy has a ref count of exactly two - in m_xControlContextProxy,
+ // and in m_xProxyTypeAccess.
+ // Remember to _not_ reset these members unless the delegator of the proxy has been reset, too!
+ m_xProxyAggregate->setDelegator( _rDelegator );
+ }
+ osl_atomic_decrement( &_rRefCount );
+ }
+
+
+ Any SAL_CALL OProxyAggregation::queryAggregation( const Type& _rType )
+ {
+ return m_xProxyAggregate.is() ? m_xProxyAggregate->queryAggregation( _rType ) : Any();
+ }
+
+
+ Sequence< Type > SAL_CALL OProxyAggregation::getTypes( )
+ {
+ Sequence< Type > aTypes;
+ if ( m_xProxyAggregate.is() )
+ {
+ if ( m_xProxyTypeAccess.is() )
+ aTypes = m_xProxyTypeAccess->getTypes();
+ }
+ return aTypes;
+ }
+
+
+ OProxyAggregation::~OProxyAggregation()
+ {
+ if ( m_xProxyAggregate.is() )
+ m_xProxyAggregate->setDelegator( nullptr );
+ m_xProxyAggregate.clear();
+ m_xProxyTypeAccess.clear();
+ // this should remove the _two_only_ "real" references (means not delegated to
+ // ourself) to this proxy, and thus delete it
+ }
+
+ OComponentProxyAggregationHelper::OComponentProxyAggregationHelper( const Reference< XComponentContext >& _rxContext,
+ ::cppu::OBroadcastHelper& _rBHelper )
+ :OProxyAggregation( _rxContext )
+ ,m_rBHelper( _rBHelper )
+ {
+ OSL_ENSURE( _rxContext.is(), "OComponentProxyAggregationHelper::OComponentProxyAggregationHelper: invalid arguments!" );
+ }
+
+
+ void OComponentProxyAggregationHelper::componentAggregateProxyFor(
+ const Reference< XComponent >& _rxComponent, oslInterlockedCount& _rRefCount,
+ ::cppu::OWeakObject& _rDelegator )
+ {
+ OSL_ENSURE( _rxComponent.is(), "OComponentProxyAggregationHelper::componentAggregateProxyFor: invalid inner component!" );
+ m_xInner = _rxComponent;
+
+ // aggregate a proxy for the object
+ baseAggregateProxyFor( m_xInner, _rRefCount, _rDelegator );
+
+ // add as event listener to the inner context, because we want to be notified of disposals
+ osl_atomic_increment( &_rRefCount );
+ {
+ if ( m_xInner.is() )
+ m_xInner->addEventListener( this );
+ }
+ osl_atomic_decrement( &_rRefCount );
+ }
+
+
+ Any SAL_CALL OComponentProxyAggregationHelper::queryInterface( const Type& _rType )
+ {
+ Any aReturn( BASE::queryInterface( _rType ) );
+ if ( !aReturn.hasValue() )
+ aReturn = OProxyAggregation::queryAggregation( _rType );
+ return aReturn;
+ }
+
+
+ IMPLEMENT_FORWARD_XTYPEPROVIDER2( OComponentProxyAggregationHelper, BASE, OProxyAggregation )
+
+
+ OComponentProxyAggregationHelper::~OComponentProxyAggregationHelper( )
+ {
+ OSL_ENSURE( m_rBHelper.bDisposed, "OComponentProxyAggregationHelper::~OComponentProxyAggregationHelper: you should dispose your derived class in the dtor, if necessary!" );
+ // if this asserts, add the following to your derived class dtor:
+
+ // if ( !m_rBHelper.bDisposed )
+ // {
+ // acquire(); // to prevent duplicate dtor calls
+ // dispose();
+ // }
+
+ m_xInner.clear();
+ }
+
+
+ void SAL_CALL OComponentProxyAggregationHelper::disposing( const EventObject& _rSource )
+ {
+ if ( _rSource.Source == m_xInner )
+ { // it's our inner context which is dying -> dispose ourself
+ if ( !m_rBHelper.bDisposed && !m_rBHelper.bInDispose )
+ { // (if necessary only, of course)
+ dispose();
+ }
+ }
+ }
+
+
+ void SAL_CALL OComponentProxyAggregationHelper::dispose()
+ {
+ ::osl::MutexGuard aGuard( m_rBHelper.rMutex );
+
+ // dispose our inner context
+ // before we do this, remove ourself as listener - else in disposing( EventObject ), we
+ // would dispose ourself a second time
+ if ( m_xInner.is() )
+ {
+ m_xInner->removeEventListener( this );
+ m_xInner->dispose();
+ m_xInner.clear();
+ }
+ }
+
+ OComponentProxyAggregation::OComponentProxyAggregation( const Reference< XComponentContext >& _rxContext,
+ const Reference< XComponent >& _rxComponent )
+ :WeakComponentImplHelperBase( m_aMutex )
+ ,OComponentProxyAggregationHelper( _rxContext, rBHelper )
+ {
+ OSL_ENSURE( _rxComponent.is(), "OComponentProxyAggregation::OComponentProxyAggregation: accessible is no XComponent!" );
+ if ( _rxComponent.is() )
+ componentAggregateProxyFor( _rxComponent, m_refCount, *this );
+ }
+
+
+ OComponentProxyAggregation::~OComponentProxyAggregation()
+ {
+ if ( !rBHelper.bDisposed )
+ {
+ acquire(); // to prevent duplicate dtor calls
+ dispose();
+ }
+ }
+
+
+ IMPLEMENT_FORWARD_XINTERFACE2( OComponentProxyAggregation, WeakComponentImplHelperBase, OComponentProxyAggregationHelper )
+
+
+ IMPLEMENT_GET_IMPLEMENTATION_ID( OComponentProxyAggregation )
+
+
+ Sequence< Type > SAL_CALL OComponentProxyAggregation::getTypes( )
+ {
+ return comphelper::concatSequences(
+ OComponentProxyAggregationHelper::getTypes(),
+ // append XComponent, coming from WeakComponentImplHelperBase
+ Sequence { cppu::UnoType<XComponent>::get() });
+ }
+
+
+ void SAL_CALL OComponentProxyAggregation::disposing( const EventObject& _rSource )
+ {
+ // Simply disambiguate---this is necessary for MSVC to distinguish
+ // "disposing(EventObject)" from "disposing()"; but it is also a good
+ // place to check for recursive calls that would be caused by an object
+ // being registered as an XEventListener at itself (cf. rhbz#928568):
+ assert(_rSource.Source != static_cast< cppu::OWeakObject * >(this));
+ OComponentProxyAggregationHelper::disposing( _rSource );
+ }
+
+
+ void SAL_CALL OComponentProxyAggregation::disposing()
+ {
+ // call the dispose-functionality of the base, which will dispose our aggregated component
+ OComponentProxyAggregationHelper::dispose();
+ }
+
+
+ void SAL_CALL OComponentProxyAggregation::dispose()
+ {
+ // simply disambiguate
+ WeakComponentImplHelperBase::dispose();
+ }
+
+
+} // namespace comphelper
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */