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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 : #include <tools/debug.hxx>
23 :
24 : //........................................................................
25 : namespace svxform
26 : {
27 : //........................................................................
28 :
29 : using ::com::sun::star::uno::Reference;
30 : using ::com::sun::star::uno::XInterface;
31 : using ::com::sun::star::uno::UNO_QUERY;
32 : using ::com::sun::star::uno::UNO_QUERY_THROW;
33 : using ::com::sun::star::uno::UNO_SET_THROW;
34 : using ::com::sun::star::uno::Exception;
35 : using ::com::sun::star::uno::RuntimeException;
36 : using ::com::sun::star::uno::Any;
37 : using ::com::sun::star::uno::makeAny;
38 : using ::com::sun::star::uno::Sequence;
39 : using ::com::sun::star::uno::Type;
40 : using ::com::sun::star::frame::XDispatchProviderInterception;
41 : using ::com::sun::star::frame::XDispatchProviderInterceptor;
42 : using ::com::sun::star::lang::XComponent;
43 : using ::com::sun::star::util::URL;
44 : using ::com::sun::star::frame::XDispatch;
45 : using ::com::sun::star::frame::DispatchDescriptor;
46 : using ::com::sun::star::frame::XDispatchProvider;
47 : using ::com::sun::star::lang::EventObject;
48 :
49 : //========================================================================
50 : //= DispatchInterceptionMultiplexer
51 : //========================================================================
52 :
53 : DBG_NAME(DispatchInterceptionMultiplexer)
54 : //------------------------------------------------------------------------
55 31 : DispatchInterceptionMultiplexer::DispatchInterceptionMultiplexer(
56 : const Reference< XDispatchProviderInterception >& _rxToIntercept, DispatchInterceptor* _pMaster )
57 31 : :DispatchInterceptionMultiplexer_BASE(_pMaster && _pMaster->getInterceptorMutex() ? *_pMaster->getInterceptorMutex() : m_aFallback)
58 : ,m_aFallback()
59 31 : ,m_pMutex( _pMaster && _pMaster->getInterceptorMutex() ? _pMaster->getInterceptorMutex() : &m_aFallback )
60 : ,m_xIntercepted(_rxToIntercept)
61 : ,m_bListening(sal_False)
62 93 : ,m_pMaster(_pMaster)
63 : {
64 : DBG_CTOR(DispatchInterceptionMultiplexer,NULL);
65 :
66 31 : ::osl::MutexGuard aGuard( *m_pMutex );
67 31 : ::comphelper::increment(m_refCount);
68 31 : if (_rxToIntercept.is())
69 : {
70 31 : _rxToIntercept->registerDispatchProviderInterceptor((XDispatchProviderInterceptor*)this);
71 : // this should make us the top-level dispatch-provider for the component, via a call to our
72 : // setDispatchProvider we should have got an fallback for requests we (i.e. our master) cannot fullfill
73 31 : Reference< XComponent> xInterceptedComponent(_rxToIntercept, UNO_QUERY);
74 31 : if (xInterceptedComponent.is())
75 : {
76 31 : xInterceptedComponent->addEventListener(this);
77 31 : m_bListening = sal_True;
78 31 : }
79 : }
80 31 : ::comphelper::decrement(m_refCount);
81 31 : }
82 :
83 : //------------------------------------------------------------------------
84 93 : DispatchInterceptionMultiplexer::~DispatchInterceptionMultiplexer()
85 : {
86 31 : if (!rBHelper.bDisposed)
87 0 : dispose();
88 :
89 : DBG_DTOR(DispatchInterceptionMultiplexer,NULL);
90 62 : }
91 :
92 : //------------------------------------------------------------------------------
93 0 : Reference< XDispatch > SAL_CALL DispatchInterceptionMultiplexer::queryDispatch( const URL& aURL, const OUString& aTargetFrameName, sal_Int32 nSearchFlags ) throw(RuntimeException)
94 : {
95 0 : ::osl::MutexGuard aGuard( *m_pMutex );
96 0 : Reference< XDispatch> xResult;
97 : // ask our 'real' interceptor
98 0 : if (m_pMaster)
99 0 : xResult = m_pMaster->interceptedQueryDispatch( aURL, aTargetFrameName, nSearchFlags);
100 :
101 : // ask our slave provider
102 0 : if (!xResult.is() && m_xSlaveDispatcher.is())
103 0 : xResult = m_xSlaveDispatcher->queryDispatch(aURL, aTargetFrameName, nSearchFlags);
104 :
105 0 : return xResult;
106 : }
107 :
108 : //------------------------------------------------------------------------------
109 : Sequence< Reference< XDispatch > > SAL_CALL
110 0 : DispatchInterceptionMultiplexer::queryDispatches( const Sequence< DispatchDescriptor >& aDescripts ) throw(RuntimeException)
111 : {
112 0 : ::osl::MutexGuard aGuard( *m_pMutex );
113 0 : Sequence< Reference< XDispatch> > aReturn(aDescripts.getLength());
114 0 : Reference< XDispatch>* pReturn = aReturn.getArray();
115 0 : const DispatchDescriptor* pDescripts = aDescripts.getConstArray();
116 0 : for (sal_Int16 i=0; i<aDescripts.getLength(); ++i, ++pReturn, ++pDescripts)
117 : {
118 0 : *pReturn = queryDispatch(pDescripts->FeatureURL, pDescripts->FrameName, pDescripts->SearchFlags);
119 : }
120 0 : return aReturn;
121 : }
122 :
123 : //------------------------------------------------------------------------------
124 124 : Reference< XDispatchProvider > SAL_CALL DispatchInterceptionMultiplexer::getSlaveDispatchProvider( ) throw(RuntimeException)
125 : {
126 124 : ::osl::MutexGuard aGuard( *m_pMutex );
127 124 : return m_xSlaveDispatcher;
128 : }
129 :
130 : //------------------------------------------------------------------------------
131 62 : void SAL_CALL DispatchInterceptionMultiplexer::setSlaveDispatchProvider(const Reference< XDispatchProvider>& xNewDispatchProvider) throw( RuntimeException )
132 : {
133 62 : ::osl::MutexGuard aGuard( *m_pMutex );
134 62 : m_xSlaveDispatcher = xNewDispatchProvider;
135 62 : }
136 :
137 : //------------------------------------------------------------------------------
138 62 : Reference< XDispatchProvider> SAL_CALL DispatchInterceptionMultiplexer::getMasterDispatchProvider(void) throw( RuntimeException )
139 : {
140 62 : ::osl::MutexGuard aGuard( *m_pMutex );
141 62 : return m_xMasterDispatcher;
142 : }
143 :
144 : //------------------------------------------------------------------------------
145 124 : void SAL_CALL DispatchInterceptionMultiplexer::setMasterDispatchProvider(const Reference< XDispatchProvider>& xNewSupplier) throw( RuntimeException )
146 : {
147 124 : ::osl::MutexGuard aGuard( *m_pMutex );
148 124 : m_xMasterDispatcher = xNewSupplier;
149 124 : }
150 :
151 : //------------------------------------------------------------------------------
152 0 : void SAL_CALL DispatchInterceptionMultiplexer::disposing(const EventObject& Source) throw( RuntimeException )
153 : {
154 0 : if (m_bListening)
155 : {
156 0 : Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
157 0 : if (Source.Source == xIntercepted)
158 0 : ImplDetach();
159 : }
160 0 : }
161 :
162 : //------------------------------------------------------------------------------
163 31 : void DispatchInterceptionMultiplexer::ImplDetach()
164 : {
165 31 : ::osl::MutexGuard aGuard( *m_pMutex );
166 : OSL_ENSURE(m_bListening, "DispatchInterceptionMultiplexer::ImplDetach: invalid call!");
167 :
168 : // deregister ourself from the interception component
169 62 : Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
170 31 : if (xIntercepted.is())
171 31 : xIntercepted->releaseDispatchProviderInterceptor(static_cast<XDispatchProviderInterceptor*>(this));
172 :
173 : // m_xIntercepted = Reference< XDispatchProviderInterception >();
174 : // Don't reset m_xIntercepted: It may be needed by our owner to check for which object we were
175 : // responsible. As we hold the object with a weak reference only, this should be no problem.
176 : // 88936 - 23.07.2001 - frank.schoenheit@sun.com
177 31 : m_pMaster = NULL;
178 31 : m_pMutex = &m_aFallback;
179 62 : m_bListening = sal_False;
180 31 : }
181 :
182 : //------------------------------------------------------------------------------
183 31 : void DispatchInterceptionMultiplexer::disposing()
184 : {
185 : // remove ourself as event listener from the interception component
186 31 : if (m_bListening)
187 : {
188 31 : Reference< XComponent> xInterceptedComponent(m_xIntercepted.get(), UNO_QUERY);
189 31 : if (xInterceptedComponent.is())
190 31 : xInterceptedComponent->removeEventListener(static_cast<XEventListener*>(this));
191 :
192 : // detach from the interception component
193 31 : ImplDetach();
194 : }
195 31 : }
196 :
197 : //........................................................................
198 : } // namespace svxform
199 : //........................................................................
200 :
201 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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