1*dde7d3faSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*dde7d3faSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*dde7d3faSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*dde7d3faSAndrew Rist * distributed with this work for additional information 6*dde7d3faSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*dde7d3faSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*dde7d3faSAndrew Rist * "License"); you may not use this file except in compliance 9*dde7d3faSAndrew Rist * with the License. You may obtain a copy of the License at 10*dde7d3faSAndrew Rist * 11*dde7d3faSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*dde7d3faSAndrew Rist * 13*dde7d3faSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*dde7d3faSAndrew Rist * software distributed under the License is distributed on an 15*dde7d3faSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*dde7d3faSAndrew Rist * KIND, either express or implied. See the License for the 17*dde7d3faSAndrew Rist * specific language governing permissions and limitations 18*dde7d3faSAndrew Rist * under the License. 19*dde7d3faSAndrew Rist * 20*dde7d3faSAndrew Rist *************************************************************/ 21*dde7d3faSAndrew Rist 22*dde7d3faSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_comphelper.hxx" 26cdf0e10cSrcweir #include <comphelper/proxyaggregation.hxx> 27cdf0e10cSrcweir #include <com/sun/star/reflection/XProxyFactory.hpp> 28cdf0e10cSrcweir 29cdf0e10cSrcweir //............................................................................. 30cdf0e10cSrcweir namespace comphelper 31cdf0e10cSrcweir { 32cdf0e10cSrcweir //............................................................................. 33cdf0e10cSrcweir 34cdf0e10cSrcweir using namespace ::com::sun::star::uno; 35cdf0e10cSrcweir using namespace ::com::sun::star::lang; 36cdf0e10cSrcweir using namespace ::com::sun::star::reflection; 37cdf0e10cSrcweir 38cdf0e10cSrcweir //========================================================================= 39cdf0e10cSrcweir //= OProxyAggregation 40cdf0e10cSrcweir //========================================================================= 41cdf0e10cSrcweir //------------------------------------------------------------------------- OProxyAggregation(const Reference<XMultiServiceFactory> & _rxORB)42cdf0e10cSrcweir OProxyAggregation::OProxyAggregation( const Reference< XMultiServiceFactory >& _rxORB ) 43cdf0e10cSrcweir :m_xORB( _rxORB ) 44cdf0e10cSrcweir { 45cdf0e10cSrcweir } 46cdf0e10cSrcweir 47cdf0e10cSrcweir //------------------------------------------------------------------------- baseAggregateProxyFor(const Reference<XInterface> & _rxComponent,oslInterlockedCount & _rRefCount,::cppu::OWeakObject & _rDelegator)48cdf0e10cSrcweir void OProxyAggregation::baseAggregateProxyFor( const Reference< XInterface >& _rxComponent, oslInterlockedCount& _rRefCount, 49cdf0e10cSrcweir ::cppu::OWeakObject& _rDelegator ) 50cdf0e10cSrcweir { 51cdf0e10cSrcweir // first a factory for the proxy 52cdf0e10cSrcweir Reference< XProxyFactory > xFactory( 53cdf0e10cSrcweir m_xORB->createInstance( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.reflection.ProxyFactory" ) ) ), 54cdf0e10cSrcweir UNO_QUERY 55cdf0e10cSrcweir ); 56cdf0e10cSrcweir OSL_ENSURE( xFactory.is(), "OProxyAggregation::baseAggregateProxyFor: could not create a proxy factory!" ); 57cdf0e10cSrcweir 58cdf0e10cSrcweir // then the proxy itself 59cdf0e10cSrcweir if ( xFactory.is() ) 60cdf0e10cSrcweir { 61cdf0e10cSrcweir { // i36686 OJ: achieve the desctruction of the tempoary -> otherwise it leads to _rRefCount -= 2 62cdf0e10cSrcweir m_xProxyAggregate = xFactory->createProxy( _rxComponent ); 63cdf0e10cSrcweir } 64cdf0e10cSrcweir if ( m_xProxyAggregate.is() ) 65cdf0e10cSrcweir m_xProxyAggregate->queryAggregation( ::getCppuType( &m_xProxyTypeAccess ) ) >>= m_xProxyTypeAccess; 66cdf0e10cSrcweir 67cdf0e10cSrcweir // aggregate the proxy 68cdf0e10cSrcweir osl_incrementInterlockedCount( &_rRefCount ); 69cdf0e10cSrcweir if ( m_xProxyAggregate.is() ) 70cdf0e10cSrcweir { 71cdf0e10cSrcweir // At this point in time, the proxy has a ref count of exactly two - in m_xControlContextProxy, 72cdf0e10cSrcweir // and in m_xProxyTypeAccess. 73cdf0e10cSrcweir // Remember to _not_ reset these members unless the delegator of the proxy has been reset, too! 74cdf0e10cSrcweir m_xProxyAggregate->setDelegator( _rDelegator ); 75cdf0e10cSrcweir } 76cdf0e10cSrcweir osl_decrementInterlockedCount( &_rRefCount ); 77cdf0e10cSrcweir } 78cdf0e10cSrcweir } 79cdf0e10cSrcweir 80cdf0e10cSrcweir //------------------------------------------------------------------------- queryAggregation(const Type & _rType)81cdf0e10cSrcweir Any SAL_CALL OProxyAggregation::queryAggregation( const Type& _rType ) throw (RuntimeException) 82cdf0e10cSrcweir { 83cdf0e10cSrcweir return m_xProxyAggregate.is() ? m_xProxyAggregate->queryAggregation( _rType ) : Any(); 84cdf0e10cSrcweir } 85cdf0e10cSrcweir 86cdf0e10cSrcweir //------------------------------------------------------------------------- getTypes()87cdf0e10cSrcweir Sequence< Type > SAL_CALL OProxyAggregation::getTypes( ) throw (RuntimeException) 88cdf0e10cSrcweir { 89cdf0e10cSrcweir Sequence< Type > aTypes; 90cdf0e10cSrcweir if ( m_xProxyAggregate.is() ) 91cdf0e10cSrcweir { 92cdf0e10cSrcweir if ( m_xProxyTypeAccess.is() ) 93cdf0e10cSrcweir aTypes = m_xProxyTypeAccess->getTypes(); 94cdf0e10cSrcweir } 95cdf0e10cSrcweir return aTypes; 96cdf0e10cSrcweir } 97cdf0e10cSrcweir 98cdf0e10cSrcweir //------------------------------------------------------------------------- ~OProxyAggregation()99cdf0e10cSrcweir OProxyAggregation::~OProxyAggregation() 100cdf0e10cSrcweir { 101cdf0e10cSrcweir if ( m_xProxyAggregate.is() ) 102cdf0e10cSrcweir m_xProxyAggregate->setDelegator( NULL ); 103cdf0e10cSrcweir m_xProxyAggregate.clear(); 104cdf0e10cSrcweir m_xProxyTypeAccess.clear(); 105cdf0e10cSrcweir // this should remove the _two_only_ "real" references (means not delegated to 106cdf0e10cSrcweir // ourself) to this proxy, and thus delete it 107cdf0e10cSrcweir } 108cdf0e10cSrcweir 109cdf0e10cSrcweir //========================================================================= 110cdf0e10cSrcweir //= OComponentProxyAggregationHelper 111cdf0e10cSrcweir //========================================================================= 112cdf0e10cSrcweir //------------------------------------------------------------------------- OComponentProxyAggregationHelper(const Reference<XMultiServiceFactory> & _rxORB,::cppu::OBroadcastHelper & _rBHelper)113cdf0e10cSrcweir OComponentProxyAggregationHelper::OComponentProxyAggregationHelper( const Reference< XMultiServiceFactory >& _rxORB, 114cdf0e10cSrcweir ::cppu::OBroadcastHelper& _rBHelper ) 115cdf0e10cSrcweir :OProxyAggregation( _rxORB ) 116cdf0e10cSrcweir ,m_rBHelper( _rBHelper ) 117cdf0e10cSrcweir { 118cdf0e10cSrcweir OSL_ENSURE( _rxORB.is(), "OComponentProxyAggregationHelper::OComponentProxyAggregationHelper: invalid arguments!" ); 119cdf0e10cSrcweir } 120cdf0e10cSrcweir 121cdf0e10cSrcweir //------------------------------------------------------------------------- componentAggregateProxyFor(const Reference<XComponent> & _rxComponent,oslInterlockedCount & _rRefCount,::cppu::OWeakObject & _rDelegator)122cdf0e10cSrcweir void OComponentProxyAggregationHelper::componentAggregateProxyFor( 123cdf0e10cSrcweir const Reference< XComponent >& _rxComponent, oslInterlockedCount& _rRefCount, 124cdf0e10cSrcweir ::cppu::OWeakObject& _rDelegator ) 125cdf0e10cSrcweir { 126cdf0e10cSrcweir OSL_ENSURE( _rxComponent.is(), "OComponentProxyAggregationHelper::componentAggregateProxyFor: invalid inner component!" ); 127cdf0e10cSrcweir m_xInner = _rxComponent; 128cdf0e10cSrcweir 129cdf0e10cSrcweir // aggregate a proxy for the object 130cdf0e10cSrcweir baseAggregateProxyFor( m_xInner.get(), _rRefCount, _rDelegator ); 131cdf0e10cSrcweir 132cdf0e10cSrcweir // add as event listener to the inner context, because we want to be notified of disposals 133cdf0e10cSrcweir osl_incrementInterlockedCount( &_rRefCount ); 134cdf0e10cSrcweir { 135cdf0e10cSrcweir if ( m_xInner.is() ) 136cdf0e10cSrcweir m_xInner->addEventListener( this ); 137cdf0e10cSrcweir } 138cdf0e10cSrcweir osl_decrementInterlockedCount( &_rRefCount ); 139cdf0e10cSrcweir } 140cdf0e10cSrcweir 141cdf0e10cSrcweir //------------------------------------------------------------------------- queryInterface(const Type & _rType)142cdf0e10cSrcweir Any SAL_CALL OComponentProxyAggregationHelper::queryInterface( const Type& _rType ) throw (RuntimeException) 143cdf0e10cSrcweir { 144cdf0e10cSrcweir Any aReturn( BASE::queryInterface( _rType ) ); 145cdf0e10cSrcweir if ( !aReturn.hasValue() ) 146cdf0e10cSrcweir aReturn = OProxyAggregation::queryAggregation( _rType ); 147cdf0e10cSrcweir return aReturn; 148cdf0e10cSrcweir } 149cdf0e10cSrcweir 150cdf0e10cSrcweir //------------------------------------------------------------------------- IMPLEMENT_FORWARD_XTYPEPROVIDER2(OComponentProxyAggregationHelper,BASE,OProxyAggregation)151cdf0e10cSrcweir IMPLEMENT_FORWARD_XTYPEPROVIDER2( OComponentProxyAggregationHelper, BASE, OProxyAggregation ) 152cdf0e10cSrcweir 153cdf0e10cSrcweir //------------------------------------------------------------------------- 154cdf0e10cSrcweir OComponentProxyAggregationHelper::~OComponentProxyAggregationHelper( ) 155cdf0e10cSrcweir { 156cdf0e10cSrcweir OSL_ENSURE( m_rBHelper.bDisposed, "OComponentProxyAggregationHelper::~OComponentProxyAggregationHelper: you should dispose your derived class in the dtor, if necessary!" ); 157cdf0e10cSrcweir // if this asserts, add the following to your derived class dtor: 158cdf0e10cSrcweir // 159cdf0e10cSrcweir // if ( !m_rBHelper.bDisposed ) 160cdf0e10cSrcweir // { 161cdf0e10cSrcweir // acquire(); // to prevent duplicate dtor calls 162cdf0e10cSrcweir // dispose(); 163cdf0e10cSrcweir // } 164cdf0e10cSrcweir 165cdf0e10cSrcweir m_xInner.clear(); 166cdf0e10cSrcweir } 167cdf0e10cSrcweir 168cdf0e10cSrcweir //------------------------------------------------------------------------- disposing(const EventObject & _rSource)169cdf0e10cSrcweir void SAL_CALL OComponentProxyAggregationHelper::disposing( const EventObject& _rSource ) throw (RuntimeException) 170cdf0e10cSrcweir { 171cdf0e10cSrcweir if ( _rSource.Source == m_xInner ) 172cdf0e10cSrcweir { // it's our inner context which is dying -> dispose ourself 173cdf0e10cSrcweir if ( !m_rBHelper.bDisposed && !m_rBHelper.bInDispose ) 174cdf0e10cSrcweir { // (if necessary only, of course) 175cdf0e10cSrcweir dispose(); 176cdf0e10cSrcweir } 177cdf0e10cSrcweir } 178cdf0e10cSrcweir } 179cdf0e10cSrcweir 180cdf0e10cSrcweir //------------------------------------------------------------------------- dispose()181cdf0e10cSrcweir void SAL_CALL OComponentProxyAggregationHelper::dispose() throw( RuntimeException ) 182cdf0e10cSrcweir { 183cdf0e10cSrcweir ::osl::MutexGuard aGuard( m_rBHelper.rMutex ); 184cdf0e10cSrcweir 185cdf0e10cSrcweir // dispose our inner context 186cdf0e10cSrcweir // before we do this, remove ourself as listener - else in disposing( EventObject ), we 187cdf0e10cSrcweir // would dispose ourself a second time 188cdf0e10cSrcweir Reference< XComponent > xComp( m_xInner, UNO_QUERY ); 189cdf0e10cSrcweir if ( xComp.is() ) 190cdf0e10cSrcweir { 191cdf0e10cSrcweir xComp->removeEventListener( this ); 192cdf0e10cSrcweir xComp->dispose(); 193cdf0e10cSrcweir xComp.clear(); 194cdf0e10cSrcweir } 195cdf0e10cSrcweir } 196cdf0e10cSrcweir 197cdf0e10cSrcweir //========================================================================= 198cdf0e10cSrcweir //= OComponentProxyAggregation 199cdf0e10cSrcweir //========================================================================= 200cdf0e10cSrcweir //------------------------------------------------------------------------- OComponentProxyAggregation(const Reference<XMultiServiceFactory> & _rxORB,const Reference<XComponent> & _rxComponent)201cdf0e10cSrcweir OComponentProxyAggregation::OComponentProxyAggregation( const Reference< XMultiServiceFactory >& _rxORB, 202cdf0e10cSrcweir const Reference< XComponent >& _rxComponent ) 203cdf0e10cSrcweir :OComponentProxyAggregation_CBase( m_aMutex ) 204cdf0e10cSrcweir ,OComponentProxyAggregationHelper( _rxORB, rBHelper ) 205cdf0e10cSrcweir { 206cdf0e10cSrcweir OSL_ENSURE( _rxComponent.is(), "OComponentProxyAggregation::OComponentProxyAggregation: accessible is no XComponent!" ); 207cdf0e10cSrcweir if ( _rxComponent.is() ) 208cdf0e10cSrcweir componentAggregateProxyFor( _rxComponent, m_refCount, *this ); 209cdf0e10cSrcweir } 210cdf0e10cSrcweir 211cdf0e10cSrcweir //------------------------------------------------------------------------- ~OComponentProxyAggregation()212cdf0e10cSrcweir OComponentProxyAggregation::~OComponentProxyAggregation() 213cdf0e10cSrcweir { 214cdf0e10cSrcweir implEnsureDisposeInDtor( ); 215cdf0e10cSrcweir } 216cdf0e10cSrcweir 217cdf0e10cSrcweir //------------------------------------------------------------------------- IMPLEMENT_FORWARD_XINTERFACE2(OComponentProxyAggregation,OComponentProxyAggregation_CBase,OComponentProxyAggregationHelper)218cdf0e10cSrcweir IMPLEMENT_FORWARD_XINTERFACE2( OComponentProxyAggregation, OComponentProxyAggregation_CBase, OComponentProxyAggregationHelper ) 219cdf0e10cSrcweir 220cdf0e10cSrcweir //------------------------------------------------------------------------- 221cdf0e10cSrcweir IMPLEMENT_GET_IMPLEMENTATION_ID( OComponentProxyAggregation ) 222cdf0e10cSrcweir 223cdf0e10cSrcweir //------------------------------------------------------------------------- 224cdf0e10cSrcweir Sequence< Type > SAL_CALL OComponentProxyAggregation::getTypes( ) throw (RuntimeException) 225cdf0e10cSrcweir { 226cdf0e10cSrcweir Sequence< Type > aTypes( OComponentProxyAggregationHelper::getTypes() ); 227cdf0e10cSrcweir 228cdf0e10cSrcweir // append XComponent, coming from OComponentProxyAggregation_CBase 229cdf0e10cSrcweir sal_Int32 nLen = aTypes.getLength(); 230cdf0e10cSrcweir aTypes.realloc( nLen + 1 ); 231cdf0e10cSrcweir aTypes[ nLen ] = ::getCppuType( static_cast< Reference< XComponent >* >( NULL ) ); 232cdf0e10cSrcweir 233cdf0e10cSrcweir return aTypes; 234cdf0e10cSrcweir } 235cdf0e10cSrcweir 236cdf0e10cSrcweir //------------------------------------------------------------------------- implEnsureDisposeInDtor()237cdf0e10cSrcweir void OComponentProxyAggregation::implEnsureDisposeInDtor( ) 238cdf0e10cSrcweir { 239cdf0e10cSrcweir if ( !rBHelper.bDisposed ) 240cdf0e10cSrcweir { 241cdf0e10cSrcweir acquire(); // to prevent duplicate dtor calls 242cdf0e10cSrcweir dispose(); 243cdf0e10cSrcweir } 244cdf0e10cSrcweir } 245cdf0e10cSrcweir 246cdf0e10cSrcweir //-------------------------------------------------------------------- disposing(const EventObject & _rSource)247cdf0e10cSrcweir void SAL_CALL OComponentProxyAggregation::disposing( const EventObject& _rSource ) throw (RuntimeException) 248cdf0e10cSrcweir { 249cdf0e10cSrcweir // simly disambiguate - this is necessary for MSVC to distinguish 250cdf0e10cSrcweir // "disposing( EventObject )" from "disposing()" 251cdf0e10cSrcweir OComponentProxyAggregationHelper::disposing( _rSource ); 252cdf0e10cSrcweir } 253cdf0e10cSrcweir 254cdf0e10cSrcweir //-------------------------------------------------------------------- disposing()255cdf0e10cSrcweir void SAL_CALL OComponentProxyAggregation::disposing() throw (RuntimeException) 256cdf0e10cSrcweir { 257cdf0e10cSrcweir // call the dispose-functionality of the base, which will dispose our aggregated component 258cdf0e10cSrcweir OComponentProxyAggregationHelper::dispose(); 259cdf0e10cSrcweir } 260cdf0e10cSrcweir 261cdf0e10cSrcweir //-------------------------------------------------------------------- dispose()262cdf0e10cSrcweir void SAL_CALL OComponentProxyAggregation::dispose() throw( RuntimeException ) 263cdf0e10cSrcweir { 264cdf0e10cSrcweir // simply disambiguate 265cdf0e10cSrcweir OComponentProxyAggregation_CBase::dispose(); 266cdf0e10cSrcweir } 267cdf0e10cSrcweir 268cdf0e10cSrcweir 269cdf0e10cSrcweir //............................................................................. 270cdf0e10cSrcweir } // namespace comphelper 271cdf0e10cSrcweir //............................................................................. 272cdf0e10cSrcweir 273