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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 "propertybaghelper.hxx"
21 :
22 : #include "property.hxx"
23 :
24 : #include <com/sun/star/lang/DisposedException.hpp>
25 : #include <com/sun/star/beans/PropertyExistException.hpp>
26 : #include <com/sun/star/beans/XMultiPropertySet.hpp>
27 : #include <com/sun/star/beans/NotRemoveableException.hpp>
28 : #include <com/sun/star/beans/UnknownPropertyException.hpp>
29 :
30 : #include <tools/diagnose_ex.h>
31 :
32 : #include <comphelper/sequence.hxx>
33 : #include "rtl/instance.hxx"
34 :
35 :
36 : #define NEW_HANDLE_BASE 10000
37 :
38 :
39 : namespace frm
40 : {
41 :
42 :
43 : using ::com::sun::star::lang::DisposedException;
44 : using ::com::sun::star::uno::Sequence;
45 : using ::com::sun::star::beans::Property;
46 : using ::com::sun::star::uno::Any;
47 : using ::com::sun::star::beans::PropertyExistException;
48 : using ::com::sun::star::beans::PropertyValue;
49 : using ::com::sun::star::uno::Reference;
50 : using ::com::sun::star::uno::UNO_QUERY_THROW;
51 : using ::com::sun::star::beans::XMultiPropertySet;
52 : using ::com::sun::star::beans::XPropertySetInfo;
53 : using ::com::sun::star::uno::RuntimeException;
54 : using ::com::sun::star::uno::Exception;
55 : using ::com::sun::star::beans::NotRemoveableException;
56 : using ::com::sun::star::beans::UnknownPropertyException;
57 :
58 : namespace PropertyAttribute = ::com::sun::star::beans::PropertyAttribute;
59 :
60 :
61 : //= helper
62 :
63 : namespace
64 : {
65 :
66 0 : static ::comphelper::IPropertyInfoService& lcl_getPropertyInfos()
67 : {
68 0 : static ConcreteInfoService s_aPropInfos;
69 0 : return s_aPropInfos;
70 : }
71 : }
72 :
73 :
74 : //= PropertyBagHelper
75 :
76 :
77 0 : PropertyBagHelper::PropertyBagHelper( IPropertyBagHelperContext& _rContext )
78 : :m_rContext( _rContext )
79 : ,m_pPropertyArrayHelper( NULL )
80 0 : ,m_bDisposed( false )
81 : {
82 0 : }
83 :
84 :
85 0 : PropertyBagHelper::~PropertyBagHelper()
86 : {
87 0 : delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = NULL;
88 0 : }
89 :
90 :
91 0 : void PropertyBagHelper::dispose()
92 : {
93 0 : m_bDisposed = true;
94 0 : }
95 :
96 :
97 0 : void PropertyBagHelper::impl_nts_checkDisposed_throw() const
98 : {
99 0 : if ( m_bDisposed )
100 0 : throw DisposedException();
101 0 : }
102 :
103 :
104 0 : void PropertyBagHelper::impl_nts_invalidatePropertySetInfo()
105 : {
106 0 : delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = NULL;
107 0 : }
108 :
109 :
110 0 : sal_Int32 PropertyBagHelper::impl_findFreeHandle( const OUString& _rPropertyName )
111 : {
112 0 : ::comphelper::OPropertyArrayAggregationHelper& rPropInfo( impl_ts_getArrayHelper() );
113 :
114 : // check the preferred handle
115 0 : sal_Int32 nHandle = lcl_getPropertyInfos().getPreferredPropertyId( _rPropertyName );
116 0 : if ( ( nHandle != -1 ) && rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nHandle ) )
117 0 : nHandle = -1;
118 :
119 : // seach a free handle in <math>F_1009</math>
120 0 : if ( nHandle == -1 )
121 : {
122 0 : sal_Int32 nPrime = 1009;
123 0 : sal_Int32 nFactor = 11;
124 0 : sal_Int32 nNum = nFactor;
125 0 : while ( nNum != 1 )
126 : {
127 0 : if ( !rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nNum + NEW_HANDLE_BASE ) )
128 : {
129 : // handle not used, yet
130 0 : nHandle = nNum + NEW_HANDLE_BASE;
131 0 : break;
132 : }
133 0 : nNum = ( nNum * nFactor ) % nPrime;
134 : }
135 : }
136 :
137 : // search a free handle greater NEW_HANDLE_BASE
138 0 : if ( nHandle == -1 )
139 : {
140 0 : nHandle = NEW_HANDLE_BASE + 1009;
141 0 : while ( rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nHandle ) )
142 0 : ++nHandle;
143 : }
144 :
145 0 : return nHandle;
146 : }
147 :
148 :
149 0 : ::comphelper::OPropertyArrayAggregationHelper& PropertyBagHelper::impl_ts_getArrayHelper() const
150 : {
151 0 : OPropertyArrayAggregationHelper* p = m_pPropertyArrayHelper;
152 0 : if ( !p )
153 : {
154 0 : ::osl::MutexGuard aGuard( m_rContext.getMutex() );
155 0 : p = m_pPropertyArrayHelper;
156 0 : if ( !p )
157 : {
158 : // our own fixed and our aggregate's properties
159 0 : Sequence< Property > aFixedProps;
160 0 : Sequence< Property > aAggregateProps;
161 0 : m_rContext.describeFixedAndAggregateProperties( aFixedProps, aAggregateProps );
162 :
163 : // our dynamic properties
164 0 : Sequence< Property > aDynamicProps;
165 0 : m_aDynamicProperties.describeProperties( aDynamicProps );
166 :
167 : Sequence< Property > aOwnProps(
168 0 : ::comphelper::concatSequences( aFixedProps, aDynamicProps ) );
169 :
170 0 : p = new OPropertyArrayAggregationHelper( aOwnProps, aAggregateProps, &lcl_getPropertyInfos(), NEW_HANDLE_BASE );
171 : OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
172 0 : const_cast< PropertyBagHelper* >( this )->m_pPropertyArrayHelper = p;
173 0 : }
174 : } // if ( !p )
175 : else
176 : {
177 : OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
178 : }
179 0 : return *p;
180 : }
181 :
182 :
183 0 : void PropertyBagHelper::addProperty( const OUString& _rName, ::sal_Int16 _nAttributes, const Any& _rInitialValue )
184 : {
185 0 : ::osl::MutexGuard aGuard( m_rContext.getMutex() );
186 0 : impl_nts_checkDisposed_throw();
187 :
188 :
189 : // check name sanity
190 0 : ::comphelper::OPropertyArrayAggregationHelper& aPropInfo( impl_ts_getArrayHelper() );
191 0 : if ( aPropInfo.hasPropertyByName( _rName ) )
192 0 : throw PropertyExistException( _rName, m_rContext.getPropertiesInterface() );
193 :
194 :
195 : // normalize the REMOVABLE attribute - the FormComponent service
196 : // requires that all dynamic properties are REMOVABLE
197 0 : _nAttributes |= PropertyAttribute::REMOVABLE;
198 :
199 :
200 : // find a free handle
201 0 : sal_Int32 nHandle = impl_findFreeHandle( _rName );
202 :
203 :
204 : // register the property, and invalidate our property meta data
205 0 : m_aDynamicProperties.addProperty( _rName, nHandle, _nAttributes, _rInitialValue );
206 0 : impl_nts_invalidatePropertySetInfo();
207 0 : }
208 :
209 :
210 0 : void PropertyBagHelper::removeProperty( const OUString& _rName )
211 : {
212 0 : ::osl::MutexGuard aGuard( m_rContext.getMutex() );
213 0 : impl_nts_checkDisposed_throw();
214 :
215 : // check whether it's removable at all
216 0 : Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), UNO_QUERY_THROW );
217 0 : Reference< XPropertySetInfo > xPSI( xMe->getPropertySetInfo(), UNO_QUERY_THROW );
218 0 : Property aProperty( xPSI->getPropertyByName( _rName ) );
219 0 : if ( ( aProperty.Attributes & PropertyAttribute::REMOVABLE ) == 0 )
220 0 : throw NotRemoveableException( _rName, xMe );
221 :
222 0 : m_aDynamicProperties.removeProperty( _rName );
223 0 : impl_nts_invalidatePropertySetInfo();
224 0 : }
225 :
226 :
227 : namespace
228 : {
229 :
230 : struct SelectNameOfProperty : public ::std::unary_function< Property, OUString >
231 : {
232 0 : const OUString& operator()( const Property& _rProp ) const { return _rProp.Name; }
233 : };
234 :
235 :
236 : struct SelectNameOfPropertyValue : public ::std::unary_function< PropertyValue, OUString >
237 : {
238 0 : const OUString& operator()( const PropertyValue& _rProp ) const { return _rProp.Name; }
239 : };
240 :
241 :
242 : struct SelectValueOfPropertyValue : public ::std::unary_function< PropertyValue, Any >
243 : {
244 0 : const Any& operator()( const PropertyValue& _rProp ) const { return _rProp.Value; }
245 : };
246 :
247 :
248 : struct PropertyValueLessByName : public ::std::binary_function< PropertyValue, PropertyValue, bool >
249 : {
250 0 : bool operator()( const PropertyValue& _lhs, const PropertyValue _rhs ) const
251 : {
252 0 : return _lhs.Name < _rhs.Name;
253 : }
254 : };
255 : }
256 :
257 :
258 0 : Sequence< PropertyValue > PropertyBagHelper::getPropertyValues()
259 : {
260 0 : ::osl::MutexGuard aGuard( m_rContext.getMutex() );
261 0 : impl_nts_checkDisposed_throw();
262 :
263 0 : Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), UNO_QUERY_THROW );
264 0 : Reference< XPropertySetInfo > xPSI( xMe->getPropertySetInfo(), UNO_QUERY_THROW );
265 :
266 0 : Sequence< Property > aProperties( xPSI->getProperties() );
267 0 : Sequence< OUString > aPropertyNames( aProperties.getLength() );
268 0 : ::std::transform( aProperties.getConstArray(), aProperties.getConstArray() + aProperties.getLength(),
269 0 : aPropertyNames.getArray(), SelectNameOfProperty() );
270 :
271 0 : Sequence< Any > aValues;
272 : try
273 : {
274 0 : aValues = xMe->getPropertyValues( aPropertyNames );
275 :
276 0 : if ( aValues.getLength() != aPropertyNames.getLength() )
277 0 : throw RuntimeException();
278 : }
279 0 : catch( const RuntimeException& ) { throw; }
280 0 : catch( const Exception& )
281 : {
282 : DBG_UNHANDLED_EXCEPTION();
283 : }
284 0 : Sequence< PropertyValue > aPropertyValues( aValues.getLength() );
285 0 : PropertyValue* pPropertyValue = aPropertyValues.getArray();
286 :
287 0 : const OUString* pName = aPropertyNames.getConstArray();
288 0 : const OUString* pNameEnd = aPropertyNames.getConstArray() + aPropertyNames.getLength();
289 0 : const Any* pValue = aValues.getConstArray();
290 0 : for ( ; pName != pNameEnd; ++pName, ++pValue, ++pPropertyValue )
291 : {
292 0 : pPropertyValue->Name = *pName;
293 0 : pPropertyValue->Value = *pValue;
294 : }
295 :
296 0 : return aPropertyValues;
297 : }
298 :
299 :
300 0 : void PropertyBagHelper::setPropertyValues( const Sequence< PropertyValue >& _rProps )
301 : {
302 0 : ::osl::ClearableMutexGuard aGuard( m_rContext.getMutex() );
303 0 : impl_nts_checkDisposed_throw();
304 :
305 0 : sal_Int32 nPropertyValues = _rProps.getLength();
306 :
307 : // XMultiPropertySet::setPropertyValues expects its arguments to be sorted by name
308 : // while XPropertyAccess::setPropertyValues doesn't. So first of all, sort.
309 0 : Sequence< PropertyValue > aSortedProps( _rProps );
310 0 : ::std::sort( aSortedProps.getArray(), aSortedProps.getArray() + nPropertyValues, PropertyValueLessByName() );
311 :
312 : // also, XPropertyAccess::setPropertyValues is expected to throw an UnknownPropertyException
313 : // for unsupported properties, while XMultiPropertySet::setPropertyValues is expected to ignore
314 : // those. So, check for unsupported properties first.
315 0 : ::comphelper::OPropertyArrayAggregationHelper& rArrayHelper( impl_ts_getArrayHelper() );
316 0 : for ( const PropertyValue* pProperties = aSortedProps.getConstArray();
317 0 : pProperties != aSortedProps.getConstArray() + nPropertyValues;
318 : ++pProperties
319 : )
320 : {
321 0 : if ( !rArrayHelper.hasPropertyByName( pProperties->Name ) )
322 0 : throw UnknownPropertyException( pProperties->Name, m_rContext.getPropertiesInterface() );
323 : }
324 :
325 : // Now finally split into a Name and a Value sequence, and forward to
326 : // XMultiPropertySet::setPropertyValues
327 0 : Sequence< OUString > aNames( nPropertyValues );
328 0 : ::std::transform( aSortedProps.getConstArray(), aSortedProps.getConstArray() + nPropertyValues,
329 0 : aNames.getArray(), SelectNameOfPropertyValue() );
330 :
331 0 : Sequence< Any > aValues( nPropertyValues );
332 0 : ::std::transform( aSortedProps.getConstArray(), aSortedProps.getConstArray() + nPropertyValues,
333 0 : aValues.getArray(), SelectValueOfPropertyValue() );
334 :
335 0 : Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), UNO_QUERY_THROW );
336 :
337 0 : aGuard.clear();
338 0 : xMe->setPropertyValues( aNames, aValues );
339 0 : }
340 :
341 :
342 : } // namespace frm
343 :
344 :
345 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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