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