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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 : #include "formdispatchinterceptor.hxx"
21 :
22 : namespace svxform
23 : {
24 : using ::com::sun::star::uno::Reference;
25 : using ::com::sun::star::uno::XInterface;
26 : using ::com::sun::star::uno::UNO_QUERY;
27 : using ::com::sun::star::uno::UNO_QUERY_THROW;
28 : using ::com::sun::star::uno::UNO_SET_THROW;
29 : using ::com::sun::star::uno::Exception;
30 : using ::com::sun::star::uno::RuntimeException;
31 : using ::com::sun::star::uno::Any;
32 : using ::com::sun::star::uno::makeAny;
33 : using ::com::sun::star::uno::Sequence;
34 : using ::com::sun::star::uno::Type;
35 : using ::com::sun::star::frame::XDispatchProviderInterception;
36 : using ::com::sun::star::frame::XDispatchProviderInterceptor;
37 : using ::com::sun::star::lang::XComponent;
38 : using ::com::sun::star::util::URL;
39 : using ::com::sun::star::frame::XDispatch;
40 : using ::com::sun::star::frame::DispatchDescriptor;
41 : using ::com::sun::star::frame::XDispatchProvider;
42 : using ::com::sun::star::lang::EventObject;
43 :
44 31 : DispatchInterceptionMultiplexer::DispatchInterceptionMultiplexer(
45 : const Reference< XDispatchProviderInterception >& _rxToIntercept, DispatchInterceptor* _pMaster )
46 31 : :DispatchInterceptionMultiplexer_BASE(_pMaster && _pMaster->getInterceptorMutex() ? *_pMaster->getInterceptorMutex() : m_aFallback)
47 : ,m_aFallback()
48 31 : ,m_pMutex( _pMaster && _pMaster->getInterceptorMutex() ? _pMaster->getInterceptorMutex() : &m_aFallback )
49 : ,m_xIntercepted(_rxToIntercept)
50 : ,m_bListening(false)
51 93 : ,m_pMaster(_pMaster)
52 : {
53 :
54 31 : ::osl::MutexGuard aGuard( *m_pMutex );
55 31 : osl_atomic_increment(&m_refCount);
56 31 : if (_rxToIntercept.is())
57 : {
58 31 : _rxToIntercept->registerDispatchProviderInterceptor(static_cast<XDispatchProviderInterceptor*>(this));
59 : // this should make us the top-level dispatch-provider for the component, via a call to our
60 : // setDispatchProvider we should have got an fallback for requests we (i.e. our master) cannot fulfill
61 31 : Reference< XComponent> xInterceptedComponent(_rxToIntercept, UNO_QUERY);
62 31 : if (xInterceptedComponent.is())
63 : {
64 31 : xInterceptedComponent->addEventListener(this);
65 31 : m_bListening = true;
66 31 : }
67 : }
68 31 : osl_atomic_decrement(&m_refCount);
69 31 : }
70 :
71 :
72 93 : DispatchInterceptionMultiplexer::~DispatchInterceptionMultiplexer()
73 : {
74 31 : if (!rBHelper.bDisposed)
75 0 : dispose();
76 :
77 62 : }
78 :
79 :
80 0 : Reference< XDispatch > SAL_CALL DispatchInterceptionMultiplexer::queryDispatch( const URL& aURL, const OUString& aTargetFrameName, sal_Int32 nSearchFlags ) throw(RuntimeException, std::exception)
81 : {
82 0 : ::osl::MutexGuard aGuard( *m_pMutex );
83 0 : Reference< XDispatch> xResult;
84 : // ask our 'real' interceptor
85 0 : if (m_pMaster)
86 0 : xResult = m_pMaster->interceptedQueryDispatch( aURL, aTargetFrameName, nSearchFlags);
87 :
88 : // ask our slave provider
89 0 : if (!xResult.is() && m_xSlaveDispatcher.is())
90 0 : xResult = m_xSlaveDispatcher->queryDispatch(aURL, aTargetFrameName, nSearchFlags);
91 :
92 0 : return xResult;
93 : }
94 :
95 :
96 : Sequence< Reference< XDispatch > > SAL_CALL
97 0 : DispatchInterceptionMultiplexer::queryDispatches( const Sequence< DispatchDescriptor >& aDescripts ) throw(RuntimeException, std::exception)
98 : {
99 0 : ::osl::MutexGuard aGuard( *m_pMutex );
100 0 : Sequence< Reference< XDispatch> > aReturn(aDescripts.getLength());
101 0 : Reference< XDispatch>* pReturn = aReturn.getArray();
102 0 : const DispatchDescriptor* pDescripts = aDescripts.getConstArray();
103 0 : for (sal_Int32 i=0; i<aDescripts.getLength(); ++i, ++pReturn, ++pDescripts)
104 : {
105 0 : *pReturn = queryDispatch(pDescripts->FeatureURL, pDescripts->FrameName, pDescripts->SearchFlags);
106 : }
107 0 : return aReturn;
108 : }
109 :
110 :
111 124 : Reference< XDispatchProvider > SAL_CALL DispatchInterceptionMultiplexer::getSlaveDispatchProvider( ) throw(RuntimeException, std::exception)
112 : {
113 124 : ::osl::MutexGuard aGuard( *m_pMutex );
114 124 : return m_xSlaveDispatcher;
115 : }
116 :
117 :
118 62 : void SAL_CALL DispatchInterceptionMultiplexer::setSlaveDispatchProvider(const Reference< XDispatchProvider>& xNewDispatchProvider) throw( RuntimeException, std::exception )
119 : {
120 62 : ::osl::MutexGuard aGuard( *m_pMutex );
121 62 : m_xSlaveDispatcher = xNewDispatchProvider;
122 62 : }
123 :
124 :
125 62 : Reference< XDispatchProvider> SAL_CALL DispatchInterceptionMultiplexer::getMasterDispatchProvider() throw( RuntimeException, std::exception )
126 : {
127 62 : ::osl::MutexGuard aGuard( *m_pMutex );
128 62 : return m_xMasterDispatcher;
129 : }
130 :
131 :
132 124 : void SAL_CALL DispatchInterceptionMultiplexer::setMasterDispatchProvider(const Reference< XDispatchProvider>& xNewSupplier) throw( RuntimeException, std::exception )
133 : {
134 124 : ::osl::MutexGuard aGuard( *m_pMutex );
135 124 : m_xMasterDispatcher = xNewSupplier;
136 124 : }
137 :
138 :
139 0 : void SAL_CALL DispatchInterceptionMultiplexer::disposing(const EventObject& Source) throw( RuntimeException, std::exception )
140 : {
141 0 : if (m_bListening)
142 : {
143 0 : Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
144 0 : if (Source.Source == xIntercepted)
145 0 : ImplDetach();
146 : }
147 0 : }
148 :
149 :
150 31 : void DispatchInterceptionMultiplexer::ImplDetach()
151 : {
152 31 : ::osl::MutexGuard aGuard( *m_pMutex );
153 : OSL_ENSURE(m_bListening, "DispatchInterceptionMultiplexer::ImplDetach: invalid call!");
154 :
155 : // deregister ourself from the interception component
156 62 : Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
157 31 : if (xIntercepted.is())
158 31 : xIntercepted->releaseDispatchProviderInterceptor(static_cast<XDispatchProviderInterceptor*>(this));
159 :
160 : // m_xIntercepted = Reference< XDispatchProviderInterception >();
161 : // Don't reset m_xIntercepted: It may be needed by our owner to check for which object we were
162 : // responsible. As we hold the object with a weak reference only, this should be no problem.
163 : // 88936 - 23.07.2001 - frank.schoenheit@sun.com
164 31 : m_pMaster = NULL;
165 31 : m_pMutex = &m_aFallback;
166 62 : m_bListening = false;
167 31 : }
168 :
169 :
170 31 : void DispatchInterceptionMultiplexer::disposing()
171 : {
172 : // remove ourself as event listener from the interception component
173 31 : if (m_bListening)
174 : {
175 31 : Reference< XComponent> xInterceptedComponent(m_xIntercepted.get(), UNO_QUERY);
176 31 : if (xInterceptedComponent.is())
177 31 : xInterceptedComponent->removeEventListener(static_cast<XEventListener*>(this));
178 :
179 : // detach from the interception component
180 31 : ImplDetach();
181 : }
182 31 : }
183 :
184 :
185 : }
186 :
187 :
188 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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