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 #include <cppuhelper/queryinterface.hxx>
  25
  26 //  namespaces
  27
  28 using namespace ::osl;
  29 using namespace ::cppu;
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::com::sun::star::lang;
  32
  33 namespace unocontrols{
  34
  35 //  construct/destruct
  36
  37 OConnectionPointContainerHelper::OConnectionPointContainerHelper( Mutex& aMutex )
  38     : m_aSharedMutex        ( aMutex    )
  39     , m_aMultiTypeContainer ( aMutex    )
  40 {
  41 }
  42
  43 OConnectionPointContainerHelper::~OConnectionPointContainerHelper()
  44 {
  45 }
  46
  47 //  XInterface
  48
  49 Any SAL_CALL OConnectionPointContainerHelper::queryInterface( const Type& aType )
  50 {
  51     // Attention:
  52     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  53
  54     // Ask for my own supported interfaces ...
  55     Any aReturn ( ::cppu::queryInterface(   aType                                               ,
  56                                                static_cast< XConnectionPointContainer*  > ( this )
  57                                         )
  58                 );
  59
  60     // If searched interface not supported by this class ...
  61     if ( !aReturn.hasValue() )
  62     {
  63         // ... ask baseclasses.
  64         aReturn = OWeakObject::queryInterface( aType );
  65     }
  66
  67     return aReturn;
  68 }
  69
  70 //  XInterface
  71
  72 void SAL_CALL OConnectionPointContainerHelper::acquire() throw()
  73 {
  74     // Attention:
  75     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  76
  77     // Forward to baseclass
  78     OWeakObject::acquire();
  79 }
  80
  81 //  XInterface
  82
  83 void SAL_CALL OConnectionPointContainerHelper::release() throw()
  84 {
  85     // Attention:
  86     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  87
  88     // Forward to baseclass
  89     OWeakObject::release();
  90 }
  91
  92 //  XConnectionPointContainer
  93
  94 Sequence< Type > SAL_CALL OConnectionPointContainerHelper::getConnectionPointTypes()
  95 {
  96     // Container is threadsafe himself !
  97     return m_aMultiTypeContainer.getContainedTypes();
  98 }
  99
 100 //  XConnectionPointContainer
 101
 102 Reference< XConnectionPoint > SAL_CALL OConnectionPointContainerHelper::queryConnectionPoint( const Type& aType )
 103 {
 104     // Set default return value, if method failed.
 105     Reference< XConnectionPoint > xConnectionPoint;
 106
 107     // Get all elements of the container, which have the searched type.
 108     OInterfaceContainerHelper* pSpecialContainer = m_aMultiTypeContainer.getContainer( aType );
 109     if ( pSpecialContainer && pSpecialContainer->getLength() > 0 )
 110     {
 111         // Ready for multithreading
 112         MutexGuard aGuard( m_aSharedMutex );
 113         // If this container contains elements, build a connectionpoint-instance.
 114         OConnectionPointHelper* pNewConnectionPoint = new OConnectionPointHelper( m_aSharedMutex, this, aType );
 115         xConnectionPoint.set( static_cast<OWeakObject*>(pNewConnectionPoint), UNO_QUERY );
 116     }
 117
 118     return xConnectionPoint;
 119 }
 120
 121 //  XConnectionPointContainer
 122
 123 void SAL_CALL OConnectionPointContainerHelper::advise(  const   Type&                       aType       ,
 124                                                         const   Reference< XInterface >&    xListener   )
 125 {
 126     // Container is threadsafe himself !
 127     m_aMultiTypeContainer.addInterface( aType, xListener );
 128 }
 129
 130 //  XConnectionPointContainer
 131
 132 void SAL_CALL OConnectionPointContainerHelper::unadvise(    const   Type&                       aType       ,
 133                                                             const   Reference< XInterface >&    xListener   )
 134 {
 135     // Container is threadsafe himself !
 136     m_aMultiTypeContainer.removeInterface( aType, xListener );
 137 }
 138
 139 }   // namespace unocontrols
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */