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
  50 Any SAL_CALL OConnectionPointContainerHelper::queryInterface( const Type& aType )
  51 {
  52     // Attention:
  53     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  54
  55     // Ask for my own supported interfaces ...
  56     Any aReturn ( ::cppu::queryInterface(   aType                                               ,
  57                                                static_cast< XConnectionPointContainer*  > ( this )
  58                                         )
  59                 );
  60
  61     // If searched interface not supported by this class ...
  62     if ( !aReturn.hasValue() )
  63     {
  64         // ... ask baseclasses.
  65         aReturn = OWeakObject::queryInterface( aType );
  66     }
  67
  68     return aReturn;
  69 }
  70
  71 //  XInterface
  72
  73 void SAL_CALL OConnectionPointContainerHelper::acquire() noexcept
  74 {
  75     // Attention:
  76     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  77
  78     // Forward to baseclass
  79     OWeakObject::acquire();
  80 }
  81
  82 //  XInterface
  83
  84 void SAL_CALL OConnectionPointContainerHelper::release() noexcept
  85 {
  86     // Attention:
  87     //  Don't use mutex or guard in this method!!! Is a method of XInterface.
  88
  89     // Forward to baseclass
  90     OWeakObject::release();
  91 }
  92
  93 //  XConnectionPointContainer
  94
  95 Sequence< Type > SAL_CALL OConnectionPointContainerHelper::getConnectionPointTypes()
  96 {
  97     // Container is threadsafe himself !
  98     return comphelper::containerToSequence(m_aMultiTypeContainer.getContainedTypes());
  99 }
 100
 101 //  XConnectionPointContainer
 102
 103 Reference< XConnectionPoint > SAL_CALL OConnectionPointContainerHelper::queryConnectionPoint( const Type& aType )
 104 {
 105     // Set default return value, if method failed.
 106     Reference< XConnectionPoint > xConnectionPoint;
 107
 108     // Get all elements of the container, which have the searched type.
 109     comphelper::OInterfaceContainerHelper2* pSpecialContainer = m_aMultiTypeContainer.getContainer( aType );
 110     if ( pSpecialContainer && pSpecialContainer->getLength() > 0 )
 111     {
 112         // Ready for multithreading
 113         MutexGuard aGuard( m_aSharedMutex );
 114         // If this container contains elements, build a connectionpoint-instance.
 115         xConnectionPoint = new OConnectionPointHelper( m_aSharedMutex, this, aType );
 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: */