UnoControls/source/controls/OConnectionPointContainerHelper.cxx

   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 "OConnectionPointContainerHelper.hxx"
  21
  22 #include "OConnectionPointHelper.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 OConnectionPointContainerHelper::OConnectionPointContainerHelper( Mutex& aMutex )
  41     : m_aSharedMutex        ( aMutex    )
  42     , m_aMultiTypeContainer ( aMutex    )
  43 {
  44 }
  45
  46 OConnectionPointContainerHelper::~OConnectionPointContainerHelper()
  47 {
  48 }
  49
  50 //____________________________________________________________________________________________________________
  51 //  XInterface
  52 //____________________________________________________________________________________________________________
  53
  54 Any SAL_CALL OConnectionPointContainerHelper::queryInterface( const Type& aType ) throw( RuntimeException )
  55 {
  56     // Attention:
  57     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  58
  59     // Ask for my own supported interfaces ...
  60     Any aReturn ( ::cppu::queryInterface(   aType                                               ,
  61                                                static_cast< XConnectionPointContainer*  > ( this )
  62                                         )
  63                 );
  64
  65     // If searched interface not supported by this class ...
  66     if ( aReturn.hasValue() == sal_False )
  67     {
  68         // ... ask baseclasses.
  69         aReturn = OWeakObject::queryInterface( aType );
  70     }
  71
  72     return aReturn ;
  73 }
  74
  75 //____________________________________________________________________________________________________________
  76 //  XInterface
  77 //____________________________________________________________________________________________________________
  78
  79 void SAL_CALL OConnectionPointContainerHelper::acquire() throw()
  80 {
  81     // Attention:
  82     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  83
  84     // Forward to baseclass
  85     OWeakObject::acquire();
  86 }
  87
  88 //____________________________________________________________________________________________________________
  89 //  XInterface
  90 //____________________________________________________________________________________________________________
  91
  92 void SAL_CALL OConnectionPointContainerHelper::release() throw()
  93 {
  94     // Attention:
  95     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  96
  97     // Forward to baseclass
  98     OWeakObject::release();
  99 }
 100
 101 //______________________________________________________________________________________________________________
 102 //  XConnectionPointContainer
 103 //______________________________________________________________________________________________________________
 104
 105 Sequence< Type > SAL_CALL OConnectionPointContainerHelper::getConnectionPointTypes() throw( RuntimeException )
 106 {
 107     // Container is threadsafe himself !
 108     return m_aMultiTypeContainer.getContainedTypes();
 109 }
 110
 111 //______________________________________________________________________________________________________________
 112 //  XConnectionPointContainer
 113 //______________________________________________________________________________________________________________
 114
 115 Reference< XConnectionPoint > SAL_CALL OConnectionPointContainerHelper::queryConnectionPoint( const Type& aType ) throw( RuntimeException )
 116 {
 117     // Set default return value, if method failed.
 118     Reference< XConnectionPoint > xConnectionPoint = Reference< XConnectionPoint >();
 119
 120     // Get all elements of the container, which have the searched type.
 121     OInterfaceContainerHelper* pSpecialContainer = m_aMultiTypeContainer.getContainer( aType );
 122     if ( pSpecialContainer && pSpecialContainer->getLength() > 0 )
 123     {
 124         // Ready for multithreading
 125         MutexGuard aGuard( m_aSharedMutex );
 126         // If this container contains elements, build a connectionpoint-instance.
 127         OConnectionPointHelper* pNewConnectionPoint = new OConnectionPointHelper( m_aSharedMutex, this, aType );
 128         xConnectionPoint = Reference< XConnectionPoint >( (OWeakObject*)pNewConnectionPoint, UNO_QUERY );
 129     }
 130
 131     return xConnectionPoint ;
 132 }
 133
 134 //______________________________________________________________________________________________________________
 135 //  XConnectionPointContainer
 136 //______________________________________________________________________________________________________________
 137
 138 void SAL_CALL OConnectionPointContainerHelper::advise(  const   Type&                       aType       ,
 139                                                         const   Reference< XInterface >&    xListener   ) throw( RuntimeException )
 140 {
 141     // Container is threadsafe himself !
 142     m_aMultiTypeContainer.addInterface( aType, xListener );
 143 }
 144
 145 //______________________________________________________________________________________________________________
 146 //  XConnectionPointContainer
 147 //______________________________________________________________________________________________________________
 148
 149 void SAL_CALL OConnectionPointContainerHelper::unadvise(    const   Type&                       aType       ,
 150                                                             const   Reference< XInterface >&    xListener   ) throw( RuntimeException )
 151 {
 152     // Container is threadsafe himself !
 153     m_aMultiTypeContainer.removeInterface( aType, xListener );
 154 }
 155
 156 //______________________________________________________________________________________________________________
 157 //  public but impl method!
 158 //  Is necessary to get container member at OConnectionPoint-instance.
 159 //______________________________________________________________________________________________________________
 160
 161 OMultiTypeInterfaceContainerHelper& OConnectionPointContainerHelper::impl_getMultiTypeContainer()
 162 {
 163     // Impl methods are not threadsafe!
 164     // "Parent" function must do this.
 165     return m_aMultiTypeContainer;
 166 }
 167
 168 }   // namespace unocontrols
 169
 170 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */