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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 <svtools/framestatuslistener.hxx>
21 : #include <com/sun/star/frame/XDispatchProvider.hpp>
22 : #include <com/sun/star/lang/DisposedException.hpp>
23 : #include <com/sun/star/util/URLTransformer.hpp>
24 : #include <osl/mutex.hxx>
25 : #include <cppuhelper/queryinterface.hxx>
26 : #include <vcl/svapp.hxx>
27 : #include <comphelper/processfactory.hxx>
28 :
29 : using namespace ::cppu;
30 : using namespace ::com::sun::star::awt;
31 : using namespace ::com::sun::star::uno;
32 : using namespace ::com::sun::star::util;
33 : using namespace ::com::sun::star::beans;
34 : using namespace ::com::sun::star::lang;
35 : using namespace ::com::sun::star::frame;
36 :
37 : namespace svt
38 : {
39 :
40 1236 : FrameStatusListener::FrameStatusListener(
41 : const Reference< XComponentContext >& rxContext,
42 : const Reference< XFrame >& xFrame ) :
43 : OWeakObject()
44 : , m_bInitialized( true )
45 : , m_bDisposed( false )
46 : , m_xFrame( xFrame )
47 1236 : , m_xContext( rxContext )
48 : {
49 1236 : }
50 :
51 1236 : FrameStatusListener::~FrameStatusListener()
52 : {
53 1236 : }
54 :
55 : // XInterface
56 4944 : Any SAL_CALL FrameStatusListener::queryInterface( const Type& rType )
57 : throw ( RuntimeException, std::exception )
58 : {
59 : Any a = ::cppu::queryInterface(
60 : rType ,
61 : static_cast< XComponent* >( this ),
62 : static_cast< XFrameActionListener* >( this ),
63 : static_cast< XStatusListener* >( this ),
64 : static_cast< XEventListener* >( static_cast< XStatusListener* >( this )),
65 4944 : static_cast< XEventListener* >( static_cast< XFrameActionListener* >( this )));
66 :
67 4944 : if ( a.hasValue() )
68 4944 : return a;
69 :
70 0 : return OWeakObject::queryInterface( rType );
71 : }
72 :
73 17732 : void SAL_CALL FrameStatusListener::acquire() throw ()
74 : {
75 17732 : OWeakObject::acquire();
76 17732 : }
77 :
78 17732 : void SAL_CALL FrameStatusListener::release() throw ()
79 : {
80 17732 : OWeakObject::release();
81 17732 : }
82 :
83 : // XComponent
84 0 : void SAL_CALL FrameStatusListener::dispose()
85 : throw (::com::sun::star::uno::RuntimeException, std::exception)
86 : {
87 0 : Reference< XComponent > xThis( static_cast< OWeakObject* >(this), UNO_QUERY );
88 :
89 0 : SolarMutexGuard aSolarMutexGuard;
90 0 : if ( m_bDisposed )
91 0 : throw DisposedException();
92 :
93 0 : Reference< XStatusListener > xStatusListener( static_cast< OWeakObject* >( this ), UNO_QUERY );
94 0 : URLToDispatchMap::iterator pIter = m_aListenerMap.begin();
95 0 : while ( pIter != m_aListenerMap.end() )
96 : {
97 : try
98 : {
99 0 : Reference< XDispatch > xDispatch( pIter->second );
100 0 : Reference< XURLTransformer > xURLTransformer( com::sun::star::util::URLTransformer::create( m_xContext ) );
101 0 : com::sun::star::util::URL aTargetURL;
102 0 : aTargetURL.Complete = pIter->first;
103 0 : xURLTransformer->parseStrict( aTargetURL );
104 :
105 0 : if ( xDispatch.is() && xStatusListener.is() )
106 0 : xDispatch->removeStatusListener( xStatusListener, aTargetURL );
107 : }
108 0 : catch (const Exception&)
109 : {
110 : }
111 :
112 0 : ++pIter;
113 : }
114 :
115 0 : m_bDisposed = true;
116 0 : }
117 :
118 0 : void SAL_CALL FrameStatusListener::addEventListener( const Reference< XEventListener >& )
119 : throw ( RuntimeException, std::exception )
120 : {
121 : // helper class for status updates - no need to support listener
122 0 : }
123 :
124 0 : void SAL_CALL FrameStatusListener::removeEventListener( const Reference< XEventListener >& )
125 : throw ( RuntimeException, std::exception )
126 : {
127 : // helper class for status updates - no need to support listener
128 0 : }
129 :
130 : // XEventListener
131 0 : void SAL_CALL FrameStatusListener::disposing( const EventObject& Source )
132 : throw ( RuntimeException, std::exception )
133 : {
134 0 : Reference< XInterface > xSource( Source.Source );
135 :
136 0 : SolarMutexGuard aSolarMutexGuard;
137 :
138 0 : URLToDispatchMap::iterator pIter = m_aListenerMap.begin();
139 0 : while ( pIter != m_aListenerMap.end() )
140 : {
141 : // Compare references and release dispatch references if they are equal.
142 0 : Reference< XInterface > xIfac( pIter->second, UNO_QUERY );
143 0 : if ( xSource == xIfac )
144 0 : pIter->second.clear();
145 0 : }
146 :
147 0 : Reference< XInterface > xIfac( m_xFrame, UNO_QUERY );
148 0 : if ( xIfac == xSource )
149 0 : m_xFrame.clear();
150 0 : }
151 :
152 0 : void FrameStatusListener::frameAction( const FrameActionEvent& Action )
153 : throw ( RuntimeException, std::exception )
154 : {
155 0 : if ( Action.Action == FrameAction_CONTEXT_CHANGED )
156 0 : bindListener();
157 0 : }
158 :
159 1236 : void FrameStatusListener::addStatusListener( const OUString& aCommandURL )
160 : {
161 1236 : Reference< XDispatch > xDispatch;
162 2472 : Reference< XStatusListener > xStatusListener;
163 2472 : com::sun::star::util::URL aTargetURL;
164 :
165 : {
166 1236 : SolarMutexGuard aSolarMutexGuard;
167 1236 : URLToDispatchMap::iterator pIter = m_aListenerMap.find( aCommandURL );
168 :
169 : // Already in the list of status listener. Do nothing.
170 1236 : if ( pIter != m_aListenerMap.end() )
171 0 : return;
172 :
173 : // Check if we are already initialized. Implementation starts adding itself as status listener when
174 : // intialize is called.
175 1236 : if ( !m_bInitialized )
176 : {
177 : // Put into the unordered_map of status listener. Will be activated when initialized is called
178 0 : m_aListenerMap.insert( URLToDispatchMap::value_type( aCommandURL, Reference< XDispatch >() ));
179 0 : return;
180 : }
181 : else
182 : {
183 : // Add status listener directly as intialize has already been called.
184 1236 : Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY );
185 1236 : if ( m_xContext.is() && xDispatchProvider.is() )
186 : {
187 1236 : Reference< XURLTransformer > xURLTransformer( com::sun::star::util::URLTransformer::create( m_xContext ) );
188 1236 : aTargetURL.Complete = aCommandURL;
189 1236 : xURLTransformer->parseStrict( aTargetURL );
190 1236 : xDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 );
191 :
192 1236 : xStatusListener = Reference< XStatusListener >( static_cast< OWeakObject* >( this ), UNO_QUERY );
193 1236 : URLToDispatchMap::iterator aIter = m_aListenerMap.find( aCommandURL );
194 1236 : if ( aIter != m_aListenerMap.end() )
195 : {
196 0 : Reference< XDispatch > xOldDispatch( aIter->second );
197 0 : aIter->second = xDispatch;
198 :
199 : try
200 : {
201 0 : if ( xOldDispatch.is() )
202 0 : xOldDispatch->removeStatusListener( xStatusListener, aTargetURL );
203 : }
204 0 : catch (const Exception&)
205 : {
206 0 : }
207 : }
208 : else
209 1236 : m_aListenerMap.insert( URLToDispatchMap::value_type( aCommandURL, xDispatch ));
210 1236 : }
211 1236 : }
212 : }
213 :
214 : // Call without locked mutex as we are called back from dispatch implementation
215 : try
216 : {
217 1236 : if ( xDispatch.is() )
218 690 : xDispatch->addStatusListener( xStatusListener, aTargetURL );
219 : }
220 0 : catch (const Exception&)
221 : {
222 1236 : }
223 : }
224 :
225 :
226 1236 : void FrameStatusListener::bindListener()
227 : {
228 1236 : std::vector< Listener > aDispatchVector;
229 2472 : Reference< XStatusListener > xStatusListener;
230 :
231 : {
232 1236 : SolarMutexGuard aSolarMutexGuard;
233 :
234 1236 : if ( !m_bInitialized )
235 1236 : return;
236 :
237 : // Collect all registered command URL's and store them temporary
238 2472 : Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY );
239 1236 : if ( m_xContext.is() && xDispatchProvider.is() )
240 : {
241 1236 : xStatusListener = Reference< XStatusListener >( static_cast< OWeakObject* >( this ), UNO_QUERY );
242 1236 : URLToDispatchMap::iterator pIter = m_aListenerMap.begin();
243 3708 : while ( pIter != m_aListenerMap.end() )
244 : {
245 1236 : Reference< XURLTransformer > xURLTransformer( com::sun::star::util::URLTransformer::create( m_xContext ) );
246 2472 : com::sun::star::util::URL aTargetURL;
247 1236 : aTargetURL.Complete = pIter->first;
248 1236 : xURLTransformer->parseStrict( aTargetURL );
249 :
250 2472 : Reference< XDispatch > xDispatch( pIter->second );
251 1236 : if ( xDispatch.is() )
252 : {
253 : // We already have a dispatch object => we have to requery.
254 : // Release old dispatch object and remove it as listener
255 : try
256 : {
257 690 : xDispatch->removeStatusListener( xStatusListener, aTargetURL );
258 : }
259 0 : catch (const Exception&)
260 : {
261 : }
262 : }
263 :
264 : // Query for dispatch object. Old dispatch will be released with this, too.
265 : try
266 : {
267 1236 : xDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 );
268 : }
269 0 : catch (const Exception&)
270 : {
271 : }
272 1236 : pIter->second = xDispatch;
273 :
274 2472 : Listener aListener( aTargetURL, xDispatch );
275 1236 : aDispatchVector.push_back( aListener );
276 1236 : ++pIter;
277 1236 : }
278 1236 : }
279 : }
280 :
281 : // Call without locked mutex as we are called back from dispatch implementation
282 1236 : if ( xStatusListener.is() )
283 : {
284 : try
285 : {
286 2472 : for ( size_t i = 0; i < aDispatchVector.size(); i++ )
287 : {
288 1236 : Listener& rListener = aDispatchVector[i];
289 1236 : if ( rListener.xDispatch.is() )
290 690 : rListener.xDispatch->addStatusListener( xStatusListener, rListener.aURL );
291 : }
292 : }
293 0 : catch (const Exception&)
294 : {
295 : }
296 1236 : }
297 : }
298 :
299 1236 : void FrameStatusListener::unbindListener()
300 : {
301 1236 : SolarMutexGuard aSolarMutexGuard;
302 :
303 1236 : if ( !m_bInitialized )
304 1236 : return;
305 :
306 : // Collect all registered command URL's and store them temporary
307 2472 : Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY );
308 1236 : if ( m_xContext.is() && xDispatchProvider.is() )
309 : {
310 1236 : Reference< XStatusListener > xStatusListener( static_cast< OWeakObject* >( this ), UNO_QUERY );
311 1236 : URLToDispatchMap::iterator pIter = m_aListenerMap.begin();
312 3708 : while ( pIter != m_aListenerMap.end() )
313 : {
314 1236 : Reference< XURLTransformer > xURLTransformer( com::sun::star::util::URLTransformer::create( m_xContext ) );
315 2472 : com::sun::star::util::URL aTargetURL;
316 1236 : aTargetURL.Complete = pIter->first;
317 1236 : xURLTransformer->parseStrict( aTargetURL );
318 :
319 2472 : Reference< XDispatch > xDispatch( pIter->second );
320 1236 : if ( xDispatch.is() )
321 : {
322 : // We already have a dispatch object => we have to requery.
323 : // Release old dispatch object and remove it as listener
324 : try
325 : {
326 690 : xDispatch->removeStatusListener( xStatusListener, aTargetURL );
327 : }
328 0 : catch (const Exception&)
329 : {
330 : }
331 : }
332 1236 : pIter->second.clear();
333 1236 : ++pIter;
334 2472 : }
335 1236 : }
336 : }
337 :
338 : } // svt
339 :
340 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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