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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 EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
21 : #define EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
22 :
23 : #include <osl/mutex.hxx>
24 : #include <com/sun/star/lang/XComponent.hpp>
25 : #include <cppuhelper/implbase1.hxx>
26 : #include <com/sun/star/form/XLoadable.hpp>
27 :
28 :
29 : namespace bib
30 : {
31 :
32 :
33 : class OComponentAdapterBase;
34 :
35 :
36 : //= OComponentListener
37 :
38 : class OComponentListener
39 : {
40 : friend class OComponentAdapterBase;
41 :
42 : private:
43 : OComponentAdapterBase* m_pAdapter;
44 : ::osl::Mutex& m_rMutex;
45 : protected:
46 0 : OComponentListener( ::osl::Mutex& _rMutex )
47 : :m_pAdapter( NULL )
48 0 : ,m_rMutex( _rMutex )
49 : {
50 0 : }
51 :
52 : virtual ~OComponentListener();
53 :
54 : // XEventListener equivalents
55 : virtual void _disposing( const ::com::sun::star::lang::EventObject& _rSource ) throw( ::com::sun::star::uno::RuntimeException );
56 :
57 : protected:
58 : void setAdapter( OComponentAdapterBase* _pAdapter );
59 : };
60 :
61 :
62 : //= OComponentAdapterBase
63 :
64 : class OComponentAdapterBase
65 : {
66 : friend class OComponentListener;
67 :
68 : private:
69 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
70 : m_xComponent;
71 : OComponentListener* m_pListener;
72 : sal_Int32 m_nLockCount;
73 : sal_Bool m_bListening : 1;
74 : sal_Bool m_bAutoRelease : 1;
75 :
76 : // impl method for dispose - virtual, 'cause you at least need to remove the listener from the broadcaster
77 : virtual void disposing() = 0;
78 :
79 : protected:
80 : // attribute access for derivees
81 : const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >&
82 0 : getComponent() const { return m_xComponent; }
83 0 : OComponentListener* getListener() { return m_pListener; }
84 :
85 : // to be called by derivees which started listening at the component
86 : virtual void startComponentListening() = 0;
87 :
88 : virtual ~OComponentAdapterBase();
89 :
90 : public:
91 : OComponentAdapterBase(
92 : const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& _rxComp,
93 : sal_Bool _bAutoRelease = sal_True
94 : );
95 :
96 : // late construction
97 : // can be called from within you ctor, to have you're object fully initialized at the moment of
98 : // the call (which would not be the case when calling this ctor)
99 : void Init( OComponentListener* _pListener );
100 :
101 : // base for ref-counting, implemented by OComponentAdapter
102 : virtual void SAL_CALL acquire( ) throw () = 0;
103 : virtual void SAL_CALL release( ) throw () = 0;
104 :
105 : // helper
106 : /// get the lock count
107 0 : sal_Int32 locked() const { return m_nLockCount; }
108 :
109 : /// dispose the object - stop listening and such
110 : void dispose();
111 :
112 : protected:
113 : // XEventListener
114 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException, std::exception);
115 : };
116 :
117 :
118 : //= OLoadListener
119 :
120 0 : class OLoadListener : public OComponentListener
121 : {
122 : friend class OLoadListenerAdapter;
123 :
124 : protected:
125 0 : OLoadListener( ::osl::Mutex& _rMutex ) : OComponentListener( _rMutex ) { }
126 :
127 : // XLoadListener equivalents
128 : virtual void _loaded( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
129 : virtual void _unloading( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
130 : virtual void _unloaded( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
131 : virtual void _reloading( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
132 : virtual void _reloaded( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
133 : };
134 :
135 :
136 : //= OLoadListenerAdapter
137 :
138 : typedef ::cppu::WeakImplHelper1< ::com::sun::star::form::XLoadListener > OLoadListenerAdapter_Base;
139 0 : class OLoadListenerAdapter
140 : :public OLoadListenerAdapter_Base
141 : ,public OComponentAdapterBase
142 : {
143 : protected:
144 0 : OLoadListener* getLoadListener( ) { return static_cast< OLoadListener* >( getListener() ); }
145 :
146 : protected:
147 : virtual void disposing() SAL_OVERRIDE;
148 : virtual void startComponentListening() SAL_OVERRIDE;
149 :
150 : public:
151 : OLoadListenerAdapter(
152 : const ::com::sun::star::uno::Reference< ::com::sun::star::form::XLoadable >& _rxLoadable,
153 : sal_Bool _bAutoRelease = sal_True
154 : );
155 :
156 :
157 : virtual void SAL_CALL acquire( ) throw () SAL_OVERRIDE;
158 : virtual void SAL_CALL release( ) throw () SAL_OVERRIDE;
159 :
160 : protected:
161 : // XEventListener
162 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& _rSource ) throw( ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
163 :
164 : // XLoadListener
165 : virtual void SAL_CALL loaded( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
166 : virtual void SAL_CALL unloading( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
167 : virtual void SAL_CALL unloaded( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
168 : virtual void SAL_CALL reloading( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
169 : virtual void SAL_CALL reloaded( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
170 : };
171 :
172 :
173 : } // namespace bib
174 :
175 :
176 : #endif // EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
177 :
178 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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