UnoControls/source/inc/OConnectionPointHelper.hxx

   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 #ifndef INCLUDED_UNOCONTROLS_SOURCE_INC_OCONNECTIONPOINTHELPER_HXX
  21 #define INCLUDED_UNOCONTROLS_SOURCE_INC_OCONNECTIONPOINTHELPER_HXX
  22
  23 #include <com/sun/star/lang/XConnectionPointContainer.hpp>
  24 #include <com/sun/star/lang/XConnectionPoint.hpp>
  25 #include <cppuhelper/weak.hxx>
  26 #include <cppuhelper/weakref.hxx>
  27 #include <cppuhelper/propshlp.hxx>
  28
  29 #include "OConnectionPointContainerHelper.hxx"
  30
  31 //  namespaces
  32
  33 namespace unocontrols{
  34
  35 //  class declaration OConnectionPointHelper
  36
  37 class OConnectionPointHelper    :   public  css::lang::XConnectionPoint
  38                                 ,   public  ::cppu::OWeakObject
  39 {
  40
  41 public:
  42
  43     OConnectionPointHelper( ::osl::Mutex&                       aMutex                      ,
  44                             OConnectionPointContainerHelper*    pContainerImplementation    ,
  45                             css::uno::Type const &              aType                       );
  46
  47     virtual ~OConnectionPointHelper() override;
  48
  49     //  XInterface
  50
  51     /**_______________________________________________________________________________________________________
  52         @short      give answer, if interface is supported
  53         @descr      The interfaces are searched by type.
  54
  55         @seealso    XInterface
  56
  57         @param      "rType" is the type of searched interface.
  58
  59         @return     Any     information about found interface
  60
  61         @onerror    A RuntimeException is thrown.
  62     */
  63
  64     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) override;
  65
  66     /**_______________________________________________________________________________________________________
  67         @short      increment refcount
  68         @seealso    XInterface
  69         @seealso    release()
  70         @onerror    A RuntimeException is thrown.
  71     */
  72
  73     virtual void SAL_CALL acquire() throw() override;
  74
  75     /**_______________________________________________________________________________________________________
  76         @short      decrement refcount
  77         @seealso    XInterface
  78         @seealso    acquire()
  79         @onerror    A RuntimeException is thrown.
  80     */
  81
  82     virtual void SAL_CALL release() throw() override;
  83
  84     //  XConnectionPoint
  85
  86     virtual css::uno::Type SAL_CALL getConnectionType() override;
  87
  88     virtual css::uno::Reference< css::lang::XConnectionPointContainer > SAL_CALL getConnectionPointContainer() override;
  89
  90     virtual void SAL_CALL advise(
  91         const css::uno::Reference< css::uno::XInterface >& xListener
  92     ) override;
  93
  94     virtual void SAL_CALL unadvise( const css::uno::Reference< css::uno::XInterface >& xListener ) override;
  95
  96     virtual css::uno::Sequence< css::uno::Reference< css::uno::XInterface > > SAL_CALL getConnections() override;
  97
  98 private:
  99
 100     bool impl_LockContainer();
 101
 102     void impl_UnlockContainer();
 103
 104 private:
 105
 106     ::osl::Mutex&                                                     m_aSharedMutex;
 107     css::uno::WeakReference< css::lang::XConnectionPointContainer >   m_oContainerWeakReference;   // Reference to container-class!. Don't use Reference<...>
 108                                                                                             // It is a ring-reference => and must be a wekreference!
 109     OConnectionPointContainerHelper*                                  m_pContainerImplementation;
 110     css::uno::Type                                                    m_aInterfaceType;
 111     css::uno::Reference< css::uno::XInterface >                       m_xLock;
 112
 113 };  // class OConnectionPointHelper
 114
 115 }   // namespace unocontrols
 116
 117 #endif // INCLUDED_UNOCONTROLS_SOURCE_INC_OCONNECTIONPOINTHELPER_HXX
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */