LCOV - code coverage report
Current view: top level - UnoControls/source/controls - OConnectionPointHelper.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 60 0.0 %
Date: 2012-08-25 Functions: 0 13 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #include "OConnectionPointHelper.hxx"
      21                 :            : 
      22                 :            : #include "OConnectionPointContainerHelper.hxx"
      23                 :            : 
      24                 :            : //______________________________________________________________________________________________________________
      25                 :            : //  namespaces
      26                 :            : //______________________________________________________________________________________________________________
      27                 :            : 
      28                 :            : using namespace ::rtl                   ;
      29                 :            : using namespace ::osl                   ;
      30                 :            : using namespace ::cppu                  ;
      31                 :            : using namespace ::com::sun::star::uno   ;
      32                 :            : using namespace ::com::sun::star::lang  ;
      33                 :            : 
      34                 :            : namespace unocontrols{
      35                 :            : 
      36                 :            : //______________________________________________________________________________________________________________
      37                 :            : //  construct/destruct
      38                 :            : //______________________________________________________________________________________________________________
      39                 :            : 
      40                 :          0 : OConnectionPointHelper::OConnectionPointHelper(
      41                 :            :     Mutex&                              aMutex                      ,
      42                 :            :     OConnectionPointContainerHelper*    pContainerImplementation    ,
      43                 :            :     Type                                aType
      44                 :            : )   : m_aSharedMutex                ( aMutex                    )
      45                 :            :     , m_oContainerWeakReference     ( pContainerImplementation  )
      46                 :            :     , m_pContainerImplementation    ( pContainerImplementation  )
      47                 :          0 :     , m_aInterfaceType              ( aType                     )
      48                 :            : {
      49                 :          0 : }
      50                 :            : 
      51                 :          0 : OConnectionPointHelper::~OConnectionPointHelper()
      52                 :            : {
      53                 :          0 : }
      54                 :            : 
      55                 :            : //____________________________________________________________________________________________________________
      56                 :            : //  XInterface
      57                 :            : //____________________________________________________________________________________________________________
      58                 :            : 
      59                 :          0 : Any SAL_CALL OConnectionPointHelper::queryInterface( const Type& aType ) throw( RuntimeException )
      60                 :            : {
      61                 :            :     // Attention:
      62                 :            :     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
      63                 :            : 
      64                 :            :     // Ask for my own supported interfaces ...
      65                 :            :     Any aReturn ( ::cppu::queryInterface(   aType                                       ,
      66                 :            :                                             static_cast< XConnectionPoint*  > ( this )
      67                 :            :                                         )
      68                 :          0 :                 );
      69                 :            : 
      70                 :            :     // If searched interface not supported by this class ...
      71                 :          0 :     if ( aReturn.hasValue() == sal_False )
      72                 :            :     {
      73                 :            :         // ... ask baseclasses.
      74                 :          0 :         aReturn = OWeakObject::queryInterface( aType );
      75                 :            :     }
      76                 :            : 
      77                 :          0 :     return aReturn ;
      78                 :            : }
      79                 :            : 
      80                 :            : //____________________________________________________________________________________________________________
      81                 :            : //  XInterface
      82                 :            : //____________________________________________________________________________________________________________
      83                 :            : 
      84                 :          0 : void SAL_CALL OConnectionPointHelper::acquire() throw()
      85                 :            : {
      86                 :            :     // Attention:
      87                 :            :     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
      88                 :            : 
      89                 :            :     // Forward to baseclass
      90                 :          0 :     OWeakObject::acquire();
      91                 :          0 : }
      92                 :            : 
      93                 :            : //____________________________________________________________________________________________________________
      94                 :            : //  XInterface
      95                 :            : //____________________________________________________________________________________________________________
      96                 :            : 
      97                 :          0 : void SAL_CALL OConnectionPointHelper::release() throw()
      98                 :            : {
      99                 :            :     // Attention:
     100                 :            :     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
     101                 :            : 
     102                 :            :     // Forward to baseclass
     103                 :          0 :     OWeakObject::release();
     104                 :          0 : }
     105                 :            : 
     106                 :            : //______________________________________________________________________________________________________________
     107                 :            : //  XConnectionPoint
     108                 :            : //______________________________________________________________________________________________________________
     109                 :            : 
     110                 :          0 : Type SAL_CALL OConnectionPointHelper::getConnectionType() throw( RuntimeException )
     111                 :            : {
     112                 :            :     // Ready for multithreading
     113                 :          0 :     MutexGuard aGuard( m_aSharedMutex );
     114                 :            : 
     115                 :            :     // Set default return value, if method failed.
     116                 :          0 :     if ( impl_LockContainer() == sal_False )
     117                 :            :     {
     118                 :            :         // Container not exist! Its an runtime error.
     119                 :          0 :         throw RuntimeException();
     120                 :            :     }
     121                 :            : 
     122                 :            :     // If container reference valid, return right type of supported interfaces of THIS connectionpoint.
     123                 :          0 :     Type aReturnType = m_aInterfaceType ;
     124                 :            :     // Don't forget this!
     125                 :          0 :     impl_UnlockContainer();
     126                 :            : 
     127                 :          0 :     return aReturnType;
     128                 :            : }
     129                 :            : 
     130                 :            : //______________________________________________________________________________________________________________
     131                 :            : //  XConnectionPoint
     132                 :            : //______________________________________________________________________________________________________________
     133                 :            : 
     134                 :          0 : Reference< XConnectionPointContainer > SAL_CALL OConnectionPointHelper::getConnectionPointContainer() throw( RuntimeException )
     135                 :            : {
     136                 :            :     // Ready for multithreading
     137                 :          0 :     MutexGuard aGuard( m_aSharedMutex );
     138                 :            :     // Convert weakreference to correct uno3-reference and return value. It can be NULL, if container destroyed!
     139                 :          0 :     return Reference< XConnectionPointContainer >( m_oContainerWeakReference.get(), UNO_QUERY );
     140                 :            : }
     141                 :            : 
     142                 :            : //______________________________________________________________________________________________________________
     143                 :            : //  XConnectionPoint
     144                 :            : //______________________________________________________________________________________________________________
     145                 :            : 
     146                 :          0 : void SAL_CALL OConnectionPointHelper::advise( const Reference< XInterface >& xListener ) throw( ListenerExistException      ,
     147                 :            :                                                                                                 InvalidListenerException    ,
     148                 :            :                                                                                                 RuntimeException            )
     149                 :            : {
     150                 :            :     // Ready for multithreading
     151                 :          0 :     MutexGuard aGuard( m_aSharedMutex );
     152                 :            : 
     153                 :            :     // If type of listener not the same for this special container ...
     154                 :          0 :     Any aCheckType = xListener->queryInterface( m_aInterfaceType );
     155                 :          0 :     if ( aCheckType.hasValue() )
     156                 :            :     {
     157                 :            :         // ... throw an exception.
     158                 :          0 :         throw InvalidListenerException();
     159                 :            :     }
     160                 :            : 
     161                 :            :     // ListenerExistException is obsolete!?
     162                 :            :     // Its the same container for XConnectionPointContainer and XConnectionPoint. But only here we must control, if a listener already exist!?
     163                 :            :     // You can add a listener more then one time at XConnectionPointContainer, but here only one ...
     164                 :            : 
     165                 :            :     // Operation is permitted only, if reference to container is valid!
     166                 :          0 :     if ( impl_LockContainer() == sal_False )
     167                 :            :     {
     168                 :            :         // Container not exist! Its an runtime error.
     169                 :          0 :         throw RuntimeException();
     170                 :            :     }
     171                 :            :     // Forward it to OConnectionPointHelperContainer!
     172                 :          0 :     m_pContainerImplementation->advise( m_aInterfaceType, xListener );
     173                 :            :     // Don't forget this!
     174                 :          0 :     impl_UnlockContainer();
     175                 :          0 : }
     176                 :            : 
     177                 :            : //______________________________________________________________________________________________________________
     178                 :            : //  XConnectionPoint
     179                 :            : //______________________________________________________________________________________________________________
     180                 :            : 
     181                 :          0 : void SAL_CALL OConnectionPointHelper::unadvise( const Reference< XInterface >& xListener ) throw( RuntimeException )
     182                 :            : {
     183                 :            :     // Ready for multithreading
     184                 :          0 :     MutexGuard aGuard( m_aSharedMutex );
     185                 :            :     // Operation is permitted only, if reference to container is valid!
     186                 :          0 :     if ( impl_LockContainer() == sal_False )
     187                 :            :     {
     188                 :            :         // Container not exist! Its an runtime error.
     189                 :          0 :         throw RuntimeException();
     190                 :            : 
     191                 :            :     }
     192                 :            :     // Forward it to OConnectionPointHelperContainer!
     193                 :          0 :     m_pContainerImplementation->unadvise( m_aInterfaceType, xListener );
     194                 :            :     // Don't forget this!
     195                 :          0 :     impl_UnlockContainer();
     196                 :          0 : }
     197                 :            : 
     198                 :            : //______________________________________________________________________________________________________________
     199                 :            : //  XConnectionPoint
     200                 :            : //______________________________________________________________________________________________________________
     201                 :            : 
     202                 :          0 : Sequence< Reference< XInterface > > SAL_CALL OConnectionPointHelper::getConnections() throw( RuntimeException )
     203                 :            : {
     204                 :            :     // Ready for multithreading
     205                 :          0 :     MutexGuard aGuard( m_aSharedMutex );
     206                 :            :     // Operation is permitted only, if reference to container is valid!
     207                 :          0 :     if ( impl_LockContainer() == sal_False )
     208                 :            :     {
     209                 :            :         // Container not exist! Its an runtime error.
     210                 :          0 :         throw RuntimeException();
     211                 :            :     }
     212                 :            :     // Set default return value, if method failed.
     213                 :          0 :     Sequence< Reference< XInterface > > seqReturnConnections = Sequence< Reference< XInterface > >();
     214                 :            :     // Get reference to private member of OConnectionPointHelperContainer!
     215                 :          0 :     OMultiTypeInterfaceContainerHelper& aSharedContainer = m_pContainerImplementation->impl_getMultiTypeContainer();
     216                 :            :     // Get pointer to specialized container which hold all interfaces of searched type.
     217                 :          0 :     OInterfaceContainerHelper* pSpecialContainer = aSharedContainer.getContainer( m_aInterfaceType );
     218                 :            :     // Get elements of searched type, if somelse exist.
     219                 :          0 :     if ( pSpecialContainer != NULL )
     220                 :            :     {
     221                 :          0 :         seqReturnConnections = pSpecialContainer->getElements();
     222                 :            :     }
     223                 :            :     // Don't forget this!
     224                 :          0 :     impl_UnlockContainer();
     225                 :            : 
     226                 :          0 :     return seqReturnConnections;
     227                 :            : }
     228                 :            : 
     229                 :            : //______________________________________________________________________________________________________________
     230                 :            : //  private method
     231                 :            : //______________________________________________________________________________________________________________
     232                 :            : 
     233                 :          0 : sal_Bool OConnectionPointHelper::impl_LockContainer()
     234                 :            : {
     235                 :            :     // Convert weakreference to hard uno3-reference and return state.
     236                 :            :     // If this reference different from NULL, there exist a hard reference to container. Container-instance can't be destroyed.
     237                 :            :     // Don't forget to "unlock" this reference!
     238                 :          0 :     m_xLock = m_oContainerWeakReference.get();
     239                 :          0 :     return m_xLock.is();
     240                 :            : }
     241                 :            : 
     242                 :            : //______________________________________________________________________________________________________________
     243                 :            : //  private method
     244                 :            : //______________________________________________________________________________________________________________
     245                 :            : 
     246                 :          0 : void OConnectionPointHelper::impl_UnlockContainer()
     247                 :            : {
     248                 :            :     // Free hard uno3-reference to container.
     249                 :            :     // see also "impl_LockContainer()"
     250                 :          0 :     m_xLock = Reference< XInterface >();
     251                 :          0 : }
     252                 :            : 
     253                 :            : }   // namespace unocontrols
     254                 :            : 
     255                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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