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 #include <comphelper/sequence.hxx>
  26
  27 //  namespaces
  28
  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 //  construct/destruct
  37
  38 OConnectionPointContainerHelper::OConnectionPointContainerHelper( Mutex& aMutex )
  39     : m_aSharedMutex        ( aMutex    )
  40     , m_aMultiTypeContainer ( aMutex    )
  41 {
  42 }
  43
  44 OConnectionPointContainerHelper::~OConnectionPointContainerHelper()
  45 {
  46 }
  47
  48 //  XInterface
  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 (aReturn.hasValue())
  61         return aReturn;
  62
  63     // If searched interface not supported by this class ...
  64     // ... ask baseclasses.
  65     return OWeakObject::queryInterface( aType );
  66 }
  67
  68 //  XInterface
  69 void SAL_CALL OConnectionPointContainerHelper::acquire() noexcept
  70 {
  71     // Attention:
  72     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  73
  74     // Forward to baseclass
  75     OWeakObject::acquire();
  76 }
  77
  78 //  XInterface
  79 void SAL_CALL OConnectionPointContainerHelper::release() noexcept
  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::release();
  86 }
  87
  88 //  XConnectionPointContainer
  89
  90 Sequence< Type > SAL_CALL OConnectionPointContainerHelper::getConnectionPointTypes()
  91 {
  92     // Container is threadsafe himself !
  93     return comphelper::containerToSequence(m_aMultiTypeContainer.getContainedTypes());
  94 }
  95
  96 //  XConnectionPointContainer
  97
  98 Reference< XConnectionPoint > SAL_CALL OConnectionPointContainerHelper::queryConnectionPoint( const Type& aType )
  99 {
 100     // Set default return value, if method failed.
 101     Reference< XConnectionPoint > xConnectionPoint;
 102
 103     // Get all elements of the container, which have the searched type.
 104     comphelper::OInterfaceContainerHelper2* pSpecialContainer = m_aMultiTypeContainer.getContainer( aType );
 105     if ( pSpecialContainer && pSpecialContainer->getLength() > 0 )
 106     {
 107         // Ready for multithreading
 108         MutexGuard aGuard( m_aSharedMutex );
 109         // If this container contains elements, build a connectionpoint-instance.
 110         xConnectionPoint = new OConnectionPointHelper( m_aSharedMutex, this, aType );
 111     }
 112
 113     return xConnectionPoint;
 114 }
 115
 116 //  XConnectionPointContainer
 117
 118 void SAL_CALL OConnectionPointContainerHelper::advise(  const   Type&                       aType       ,
 119                                                         const   Reference< XInterface >&    xListener   )
 120 {
 121     // Container is threadsafe himself !
 122     m_aMultiTypeContainer.addInterface( aType, xListener );
 123 }
 124
 125 //  XConnectionPointContainer
 126
 127 void SAL_CALL OConnectionPointContainerHelper::unadvise(    const   Type&                       aType       ,
 128                                                             const   Reference< XInterface >&    xListener   )
 129 {
 130     // Container is threadsafe himself !
 131     m_aMultiTypeContainer.removeInterface( aType, xListener );
 132 }
 133
 134 }   // namespace unocontrols
 135
 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */