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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 : /** === begin UNO using === **/
30 : using ::com::sun::star::uno::Reference;
31 : using ::com::sun::star::uno::XInterface;
32 : using ::com::sun::star::uno::UNO_QUERY;
33 : using ::com::sun::star::uno::UNO_QUERY_THROW;
34 : using ::com::sun::star::uno::UNO_SET_THROW;
35 : using ::com::sun::star::uno::Exception;
36 : using ::com::sun::star::uno::RuntimeException;
37 : using ::com::sun::star::uno::Any;
38 : using ::com::sun::star::uno::makeAny;
39 : using ::com::sun::star::uno::Sequence;
40 : using ::com::sun::star::uno::Type;
41 : using ::com::sun::star::frame::XDispatchProviderInterception;
42 : using ::com::sun::star::frame::XDispatchProviderInterceptor;
43 : using ::com::sun::star::lang::XComponent;
44 : using ::com::sun::star::util::URL;
45 : using ::com::sun::star::frame::XDispatch;
46 : using ::com::sun::star::frame::DispatchDescriptor;
47 : using ::com::sun::star::frame::XDispatchProvider;
48 : using ::com::sun::star::lang::EventObject;
49 : /** === end UNO using === **/
50 :
51 : //========================================================================
52 : //= DispatchInterceptionMultiplexer
53 : //========================================================================
54 :
55 : DBG_NAME(DispatchInterceptionMultiplexer)
56 : //------------------------------------------------------------------------
57 0 : DispatchInterceptionMultiplexer::DispatchInterceptionMultiplexer(
58 : const Reference< XDispatchProviderInterception >& _rxToIntercept, DispatchInterceptor* _pMaster )
59 0 : :DispatchInterceptionMultiplexer_BASE(_pMaster && _pMaster->getInterceptorMutex() ? *_pMaster->getInterceptorMutex() : m_aFallback)
60 : ,m_aFallback()
61 0 : ,m_pMutex( _pMaster && _pMaster->getInterceptorMutex() ? _pMaster->getInterceptorMutex() : &m_aFallback )
62 : ,m_xIntercepted(_rxToIntercept)
63 : ,m_bListening(sal_False)
64 0 : ,m_pMaster(_pMaster)
65 : {
66 : DBG_CTOR(DispatchInterceptionMultiplexer,NULL);
67 :
68 0 : ::osl::MutexGuard aGuard( *m_pMutex );
69 0 : ::comphelper::increment(m_refCount);
70 0 : if (_rxToIntercept.is())
71 : {
72 0 : _rxToIntercept->registerDispatchProviderInterceptor((XDispatchProviderInterceptor*)this);
73 : // this should make us the top-level dispatch-provider for the component, via a call to our
74 : // setDispatchProvider we should have got an fallback for requests we (i.e. our master) cannot fullfill
75 0 : Reference< XComponent> xInterceptedComponent(_rxToIntercept, UNO_QUERY);
76 0 : if (xInterceptedComponent.is())
77 : {
78 0 : xInterceptedComponent->addEventListener(this);
79 0 : m_bListening = sal_True;
80 0 : }
81 : }
82 0 : ::comphelper::decrement(m_refCount);
83 0 : }
84 :
85 : //------------------------------------------------------------------------
86 0 : DispatchInterceptionMultiplexer::~DispatchInterceptionMultiplexer()
87 : {
88 0 : if (!rBHelper.bDisposed)
89 0 : dispose();
90 :
91 : DBG_DTOR(DispatchInterceptionMultiplexer,NULL);
92 0 : }
93 :
94 : //------------------------------------------------------------------------------
95 0 : Reference< XDispatch > SAL_CALL DispatchInterceptionMultiplexer::queryDispatch( const URL& aURL, const ::rtl::OUString& aTargetFrameName, sal_Int32 nSearchFlags ) throw(RuntimeException)
96 : {
97 0 : ::osl::MutexGuard aGuard( *m_pMutex );
98 0 : Reference< XDispatch> xResult;
99 : // ask our 'real' interceptor
100 0 : if (m_pMaster)
101 0 : xResult = m_pMaster->interceptedQueryDispatch( aURL, aTargetFrameName, nSearchFlags);
102 :
103 : // ask our slave provider
104 0 : if (!xResult.is() && m_xSlaveDispatcher.is())
105 0 : xResult = m_xSlaveDispatcher->queryDispatch(aURL, aTargetFrameName, nSearchFlags);
106 :
107 0 : return xResult;
108 : }
109 :
110 : //------------------------------------------------------------------------------
111 : Sequence< Reference< XDispatch > > SAL_CALL
112 0 : DispatchInterceptionMultiplexer::queryDispatches( const Sequence< DispatchDescriptor >& aDescripts ) throw(RuntimeException)
113 : {
114 0 : ::osl::MutexGuard aGuard( *m_pMutex );
115 0 : Sequence< Reference< XDispatch> > aReturn(aDescripts.getLength());
116 0 : Reference< XDispatch>* pReturn = aReturn.getArray();
117 0 : const DispatchDescriptor* pDescripts = aDescripts.getConstArray();
118 0 : for (sal_Int16 i=0; i<aDescripts.getLength(); ++i, ++pReturn, ++pDescripts)
119 : {
120 0 : *pReturn = queryDispatch(pDescripts->FeatureURL, pDescripts->FrameName, pDescripts->SearchFlags);
121 : }
122 0 : return aReturn;
123 : }
124 :
125 : //------------------------------------------------------------------------------
126 0 : Reference< XDispatchProvider > SAL_CALL DispatchInterceptionMultiplexer::getSlaveDispatchProvider( ) throw(RuntimeException)
127 : {
128 0 : ::osl::MutexGuard aGuard( *m_pMutex );
129 0 : return m_xSlaveDispatcher;
130 : }
131 :
132 : //------------------------------------------------------------------------------
133 0 : void SAL_CALL DispatchInterceptionMultiplexer::setSlaveDispatchProvider(const Reference< XDispatchProvider>& xNewDispatchProvider) throw( RuntimeException )
134 : {
135 0 : ::osl::MutexGuard aGuard( *m_pMutex );
136 0 : m_xSlaveDispatcher = xNewDispatchProvider;
137 0 : }
138 :
139 : //------------------------------------------------------------------------------
140 0 : Reference< XDispatchProvider> SAL_CALL DispatchInterceptionMultiplexer::getMasterDispatchProvider(void) throw( RuntimeException )
141 : {
142 0 : ::osl::MutexGuard aGuard( *m_pMutex );
143 0 : return m_xMasterDispatcher;
144 : }
145 :
146 : //------------------------------------------------------------------------------
147 0 : void SAL_CALL DispatchInterceptionMultiplexer::setMasterDispatchProvider(const Reference< XDispatchProvider>& xNewSupplier) throw( RuntimeException )
148 : {
149 0 : ::osl::MutexGuard aGuard( *m_pMutex );
150 0 : m_xMasterDispatcher = xNewSupplier;
151 0 : }
152 :
153 : //------------------------------------------------------------------------------
154 0 : void SAL_CALL DispatchInterceptionMultiplexer::disposing(const EventObject& Source) throw( RuntimeException )
155 : {
156 0 : if (m_bListening)
157 : {
158 0 : Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
159 0 : if (Source.Source == xIntercepted)
160 0 : ImplDetach();
161 : }
162 0 : }
163 :
164 : //------------------------------------------------------------------------------
165 0 : void DispatchInterceptionMultiplexer::ImplDetach()
166 : {
167 0 : ::osl::MutexGuard aGuard( *m_pMutex );
168 : OSL_ENSURE(m_bListening, "DispatchInterceptionMultiplexer::ImplDetach: invalid call!");
169 :
170 : // deregister ourself from the interception component
171 0 : Reference< XDispatchProviderInterception > xIntercepted(m_xIntercepted.get(), UNO_QUERY);
172 0 : if (xIntercepted.is())
173 0 : xIntercepted->releaseDispatchProviderInterceptor(static_cast<XDispatchProviderInterceptor*>(this));
174 :
175 : // m_xIntercepted = Reference< XDispatchProviderInterception >();
176 : // Don't reset m_xIntercepted: It may be needed by our owner to check for which object we were
177 : // responsible. As we hold the object with a weak reference only, this should be no problem.
178 : // 88936 - 23.07.2001 - frank.schoenheit@sun.com
179 0 : m_pMaster = NULL;
180 0 : m_pMutex = &m_aFallback;
181 0 : m_bListening = sal_False;
182 0 : }
183 :
184 : //------------------------------------------------------------------------------
185 0 : void DispatchInterceptionMultiplexer::disposing()
186 : {
187 : // remove ourself as event listener from the interception component
188 0 : if (m_bListening)
189 : {
190 0 : Reference< XComponent> xInterceptedComponent(m_xIntercepted.get(), UNO_QUERY);
191 0 : if (xInterceptedComponent.is())
192 0 : xInterceptedComponent->removeEventListener(static_cast<XEventListener*>(this));
193 :
194 : // detach from the interception component
195 0 : ImplDetach();
196 : }
197 0 : }
198 :
199 : //........................................................................
200 : } // namespace svxform
201 : //........................................................................
202 :
203 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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