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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 :
21 : #include "svtools/genericunodialog.hxx"
22 :
23 : #include <com/sun/star/beans/NamedValue.hpp>
24 : #include <com/sun/star/ucb/AlreadyInitializedException.hpp>
25 :
26 : #include <toolkit/awt/vclxwindow.hxx>
27 : #include <comphelper/extract.hxx>
28 : #include <cppuhelper/typeprovider.hxx>
29 : #include <comphelper/property.hxx>
30 : #include <osl/diagnose.h>
31 : #include <tools/diagnose_ex.h>
32 : #include <vcl/msgbox.hxx>
33 : #include <osl/mutex.hxx>
34 : #include <vcl/svapp.hxx>
35 :
36 : using namespace ::comphelper;
37 : using namespace ::com::sun::star::uno;
38 : using namespace ::com::sun::star::lang;
39 : using namespace ::com::sun::star::beans;
40 : using namespace ::com::sun::star::ucb;
41 :
42 : //.........................................................................
43 : namespace svt
44 : {
45 : //.........................................................................
46 :
47 : //-------------------------------------------------------------------------
48 4 : OGenericUnoDialog::OGenericUnoDialog(const Reference< XComponentContext >& _rxContext)
49 4 : :OPropertyContainer(GetBroadcastHelper())
50 : ,m_pDialog(NULL)
51 : ,m_bExecuting(sal_False)
52 : ,m_bCanceled(sal_False)
53 : ,m_bTitleAmbiguous(sal_True)
54 : ,m_bInitialized( false )
55 : ,m_bNeedInitialization( false )
56 8 : ,m_aContext(_rxContext)
57 : {
58 : registerProperty(OUString(UNODIALOG_PROPERTY_TITLE), UNODIALOG_PROPERTY_ID_TITLE, PropertyAttribute::TRANSIENT,
59 4 : &m_sTitle, getCppuType(&m_sTitle));
60 : registerProperty(OUString(UNODIALOG_PROPERTY_PARENT), UNODIALOG_PROPERTY_ID_PARENT, PropertyAttribute::TRANSIENT,
61 4 : &m_xParent, getCppuType(&m_xParent));
62 4 : }
63 :
64 : //-------------------------------------------------------------------------
65 8 : OGenericUnoDialog::~OGenericUnoDialog()
66 : {
67 4 : if ( m_pDialog )
68 : {
69 0 : SolarMutexGuard aSolarGuard;
70 0 : ::osl::MutexGuard aGuard( m_aMutex );
71 0 : if ( m_pDialog )
72 0 : destroyDialog();
73 : }
74 4 : }
75 :
76 : //-------------------------------------------------------------------------
77 28 : Any SAL_CALL OGenericUnoDialog::queryInterface(const Type& _rType) throw (RuntimeException)
78 : {
79 28 : Any aReturn = OGenericUnoDialogBase::queryInterface(_rType);
80 :
81 28 : if (!aReturn.hasValue())
82 6 : aReturn = ::cppu::queryInterface(_rType
83 : ,static_cast<XPropertySet*>(this)
84 : ,static_cast<XMultiPropertySet*>(this)
85 : ,static_cast<XFastPropertySet*>(this)
86 3 : );
87 :
88 28 : return aReturn;
89 : }
90 :
91 : //-------------------------------------------------------------------------
92 0 : Sequence<Type> SAL_CALL OGenericUnoDialog::getTypes( ) throw(RuntimeException)
93 : {
94 : return ::comphelper::concatSequences(
95 : OGenericUnoDialogBase::getTypes(),
96 : ::comphelper::OPropertyContainer::getTypes()
97 0 : );
98 : }
99 :
100 : //-------------------------------------------------------------------------
101 1 : sal_Bool SAL_CALL OGenericUnoDialog::supportsService(const OUString& ServiceName) throw(RuntimeException)
102 : {
103 1 : Sequence< OUString > aSupported(getSupportedServiceNames());
104 1 : const OUString* pArray = aSupported.getConstArray();
105 1 : for (sal_Int32 i = 0; i < aSupported.getLength(); ++i, ++pArray)
106 1 : if (pArray->equals(ServiceName))
107 1 : return sal_True;
108 0 : return sal_False;
109 : }
110 :
111 : //-------------------------------------------------------------------------
112 8 : void OGenericUnoDialog::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue ) throw(Exception)
113 : {
114 : // TODO : need some handling if we're currently executing ...
115 :
116 8 : OPropertyContainer::setFastPropertyValue_NoBroadcast(nHandle, rValue);
117 :
118 8 : if (UNODIALOG_PROPERTY_ID_TITLE == nHandle)
119 : {
120 : // from now on m_sTitle is valid
121 7 : m_bTitleAmbiguous = sal_False;
122 :
123 7 : if (m_pDialog)
124 0 : m_pDialog->SetText(String(m_sTitle));
125 : }
126 8 : }
127 :
128 : //-------------------------------------------------------------------------
129 8 : sal_Bool OGenericUnoDialog::convertFastPropertyValue( Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle, const Any& rValue) throw(IllegalArgumentException)
130 : {
131 8 : switch (nHandle)
132 : {
133 : case UNODIALOG_PROPERTY_ID_PARENT:
134 : {
135 1 : Reference<starawt::XWindow> xNew;
136 1 : ::cppu::extractInterface(xNew, rValue);
137 1 : if (xNew != m_xParent)
138 : {
139 1 : rConvertedValue <<= xNew;
140 1 : rOldValue <<= m_xParent;
141 1 : return sal_True;
142 : }
143 0 : return sal_False;
144 : }
145 : }
146 7 : return OPropertyContainer::convertFastPropertyValue(rConvertedValue, rOldValue, nHandle, rValue);
147 : }
148 :
149 : //-------------------------------------------------------------------------
150 2 : void SAL_CALL OGenericUnoDialog::setTitle( const OUString& _rTitle ) throw(RuntimeException)
151 : {
152 2 : UnoDialogEntryGuard aGuard( *this );
153 :
154 : try
155 : {
156 2 : setPropertyValue(OUString(UNODIALOG_PROPERTY_TITLE), makeAny(_rTitle));
157 : }
158 0 : catch(RuntimeException&)
159 : {
160 : // allowed to pass
161 0 : throw;
162 : }
163 0 : catch( const Exception& )
164 : {
165 : DBG_UNHANDLED_EXCEPTION();
166 : // not allowed to pass
167 2 : }
168 2 : }
169 :
170 : //-------------------------------------------------------------------------
171 0 : bool OGenericUnoDialog::impl_ensureDialog_lck()
172 : {
173 0 : if ( m_pDialog )
174 0 : return true;
175 :
176 : // get the parameters for the dialog from the current settings
177 :
178 : // the parent window
179 0 : Window* pParent = NULL;
180 0 : VCLXWindow* pImplementation = VCLXWindow::GetImplementation(m_xParent);
181 0 : if (pImplementation)
182 0 : pParent = pImplementation->GetWindow();
183 :
184 : // the title
185 0 : String sTitle = m_sTitle;
186 :
187 0 : Dialog* pDialog = createDialog( pParent );
188 : OSL_ENSURE( pDialog, "OGenericUnoDialog::impl_ensureDialog_lck: createDialog returned nonsense!" );
189 0 : if ( !pDialog )
190 0 : return false;
191 :
192 : // do some initialisations
193 0 : if ( !m_bTitleAmbiguous )
194 0 : pDialog->SetText( sTitle );
195 :
196 : // be notified when the dialog is killed by somebody else
197 : // #i65958# / 2006-07-07 / frank.schoenheit@sun.com
198 0 : pDialog->AddEventListener( LINK( this, OGenericUnoDialog, OnDialogDying ) );
199 :
200 0 : m_pDialog = pDialog;
201 :
202 0 : return true;
203 : }
204 :
205 : //-------------------------------------------------------------------------
206 0 : sal_Int16 SAL_CALL OGenericUnoDialog::execute( ) throw(RuntimeException)
207 : {
208 : // both creation and execution of the dialog must be guarded with the SolarMutex, so be generous here
209 0 : SolarMutexGuard aSolarGuard;
210 :
211 0 : Dialog* pDialogToExecute = NULL;
212 : // create the dialog, if necessary
213 : {
214 0 : UnoDialogEntryGuard aGuard( *this );
215 :
216 0 : if (m_bExecuting)
217 : throw RuntimeException(
218 : OUString( "already executing the dialog (recursive call)" ),
219 : *this
220 0 : );
221 :
222 0 : m_bCanceled = sal_False;
223 0 : m_bExecuting = sal_True;
224 :
225 0 : if ( !impl_ensureDialog_lck() )
226 0 : return 0;
227 :
228 0 : pDialogToExecute = m_pDialog;
229 : }
230 :
231 : // start execution
232 0 : sal_Int16 nReturn(0);
233 0 : if ( pDialogToExecute )
234 0 : nReturn = pDialogToExecute->Execute();
235 :
236 : {
237 0 : ::osl::MutexGuard aExecutionGuard(m_aExecutionMutex);
238 0 : if (m_bCanceled)
239 0 : nReturn = RET_CANCEL;
240 : }
241 :
242 : {
243 0 : ::osl::MutexGuard aGuard(m_aMutex);
244 :
245 : // get the settings of the dialog
246 0 : executedDialog( nReturn );
247 :
248 0 : m_bExecuting = sal_False;
249 : }
250 :
251 : // outta here
252 0 : return nReturn;
253 : }
254 :
255 : #ifdef AWT_DIALOG
256 : //-------------------------------------------------------------------------
257 : void SAL_CALL OGenericUnoDialog::endExecute( ) throw(RuntimeException)
258 : {
259 : UnoDialogEntryGuard aGuard( *this );
260 : if (!m_bExecuting)
261 : throw RuntimeException();
262 :
263 : {
264 : ::osl::MutexGuard aExecutionGuard(m_aExecutionMutex);
265 : OSL_ENSURE(m_pDialog, "OGenericUnoDialog::endExecute : executing which dialog ?");
266 : // m_bExecuting is true but we have no dialog ?
267 : if (!m_pDialog)
268 : throw RuntimeException();
269 :
270 : if (!m_pDialog->IsInExecute())
271 : // we tighly missed it ... another thread finished the execution of the dialog,
272 : // but did not manage it to reset m_bExecuting, it currently tries to acquire
273 : // m_aMutex or m_aExecutionMutex
274 : // => nothing to do
275 : return;
276 :
277 : m_pDialog->EndDialog(RET_CANCEL);
278 : m_bCanceled = sal_True;
279 : }
280 : }
281 : #endif
282 :
283 : //-------------------------------------------------------------------------
284 0 : void OGenericUnoDialog::implInitialize(const Any& _rValue)
285 : {
286 : try
287 : {
288 0 : PropertyValue aProperty;
289 0 : NamedValue aValue;
290 0 : if ( _rValue >>= aProperty )
291 : {
292 0 : setPropertyValue( aProperty.Name, aProperty.Value );
293 : }
294 0 : else if ( _rValue >>= aValue )
295 : {
296 0 : setPropertyValue( aValue.Name, aValue.Value );
297 0 : }
298 : }
299 0 : catch(const Exception&)
300 : {
301 : DBG_UNHANDLED_EXCEPTION();
302 : }
303 0 : }
304 :
305 : //-------------------------------------------------------------------------
306 2 : void SAL_CALL OGenericUnoDialog::initialize( const Sequence< Any >& aArguments ) throw(Exception, RuntimeException)
307 : {
308 2 : ::osl::MutexGuard aGuard( m_aMutex );
309 2 : if ( m_bInitialized )
310 0 : throw AlreadyInitializedException( OUString(), *this );
311 :
312 2 : const Any* pArguments = aArguments.getConstArray();
313 2 : for (sal_Int32 i=0; i<aArguments.getLength(); ++i, ++pArguments)
314 0 : implInitialize(*pArguments);
315 :
316 2 : m_bInitialized = true;
317 2 : }
318 :
319 : //-------------------------------------------------------------------------
320 0 : void OGenericUnoDialog::destroyDialog()
321 : {
322 0 : delete m_pDialog;
323 0 : m_pDialog = NULL;
324 0 : }
325 :
326 : //-------------------------------------------------------------------------
327 0 : IMPL_LINK( OGenericUnoDialog, OnDialogDying, VclWindowEvent*, _pEvent )
328 : {
329 : OSL_ENSURE( _pEvent->GetWindow() == m_pDialog, "OGenericUnoDialog::OnDialogDying: where does this come from?" );
330 0 : if ( _pEvent->GetId() == VCLEVENT_OBJECT_DYING )
331 0 : m_pDialog = NULL;
332 0 : return 0L;
333 : }
334 :
335 : //.........................................................................
336 465 : } // namespace svt
337 : //.........................................................................
338 :
339 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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