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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 <sal/config.h>
21 :
22 : #include <cassert>
23 : #include <vector>
24 :
25 : #include <com/sun/star/lang/DisposedException.hpp>
26 : #include <com/sun/star/lang/EventObject.hpp>
27 : #include <com/sun/star/lang/WrappedTargetException.hpp>
28 : #include <com/sun/star/uno/Any.hxx>
29 : #include <com/sun/star/uno/Reference.hxx>
30 : #include <com/sun/star/uno/RuntimeException.hpp>
31 : #include <com/sun/star/uno/Type.hxx>
32 : #include <com/sun/star/uno/XInterface.hpp>
33 : #include <com/sun/star/util/ChangesEvent.hpp>
34 : #include <com/sun/star/util/ChangesSet.hpp>
35 : #include <com/sun/star/util/ElementChange.hpp>
36 : #include <com/sun/star/util/XChangesBatch.hpp>
37 : #include <com/sun/star/util/XChangesListener.hpp>
38 : #include <com/sun/star/util/XChangesNotifier.hpp>
39 : #include <comphelper/sequenceasvector.hxx>
40 : #include <cppu/unotype.hxx>
41 : #include <cppuhelper/queryinterface.hxx>
42 : #include <cppuhelper/weak.hxx>
43 : #include <osl/mutex.hxx>
44 : #include <rtl/ref.hxx>
45 : #include <rtl/ustring.h>
46 : #include <rtl/ustring.hxx>
47 :
48 : #include "broadcaster.hxx"
49 : #include "childaccess.hxx"
50 : #include "components.hxx"
51 : #include "data.hxx"
52 : #include "lock.hxx"
53 : #include "modifications.hxx"
54 : #include "node.hxx"
55 : #include "path.hxx"
56 : #include "rootaccess.hxx"
57 :
58 : namespace configmgr {
59 :
60 178200 : RootAccess::RootAccess(
61 : Components & components, OUString const & pathRepresentation,
62 : OUString const & locale, bool update):
63 : Access(components), pathRepresentation_(pathRepresentation),
64 178200 : locale_(locale), update_(update), finalized_(false), alive_(true)
65 : {
66 178200 : lock_ = lock();
67 178200 : }
68 :
69 4668421 : Path RootAccess::getAbsolutePath() {
70 4668421 : getNode();
71 4668421 : return path_;
72 : }
73 :
74 499472 : void RootAccess::initBroadcaster(
75 : Modifications::Node const & modifications, Broadcaster * broadcaster)
76 : {
77 : assert(broadcaster != 0);
78 499472 : comphelper::SequenceAsVector< css::util::ElementChange > changes;
79 : initBroadcasterAndChanges(
80 499472 : modifications, broadcaster, changesListeners_.empty() ? 0 : &changes);
81 499472 : if (!changes.empty()) {
82 36248 : css::util::ChangesSet set(changes.getAsConstList());
83 217488 : for (ChangesListeners::iterator i(changesListeners_.begin());
84 144992 : i != changesListeners_.end(); ++i)
85 : {
86 36248 : cppu::OWeakObject* pSource = static_cast< cppu::OWeakObject * >(this);
87 36248 : css::uno::Reference< css::uno::XInterface > xBase( pSource, css::uno::UNO_QUERY );
88 : broadcaster->addChangesNotification(
89 36248 : *i,
90 : css::util::ChangesEvent(
91 72496 : pSource, makeAny( xBase ), set));
92 72496 : }
93 499472 : }
94 499472 : }
95 :
96 44469957 : void RootAccess::acquire() throw () {
97 44469957 : Access::acquire();
98 44469957 : }
99 :
100 44466218 : void RootAccess::release() throw () {
101 44466218 : Access::release();
102 44466218 : }
103 :
104 0 : OUString RootAccess::getAbsolutePathRepresentation() {
105 0 : getNode(); // turn pathRepresentation_ into canonic form
106 0 : return pathRepresentation_;
107 : }
108 :
109 :
110 :
111 2539 : void RootAccess::setAlive(bool b) {
112 2539 : alive_ = b;
113 2539 : }
114 :
115 25244 : void RootAccess::addChangesListener(
116 : css::uno::Reference< css::util::XChangesListener > const & aListener)
117 : throw (css::uno::RuntimeException, std::exception)
118 : {
119 : assert(thisIs(IS_ANY));
120 : {
121 25244 : osl::MutexGuard g(*lock_);
122 25244 : checkLocalizedPropertyAccess();
123 25244 : if (!aListener.is()) {
124 : throw css::uno::RuntimeException(
125 0 : "null listener", static_cast< cppu::OWeakObject * >(this));
126 : }
127 25244 : if (!isDisposed()) {
128 25244 : changesListeners_.insert(aListener);
129 50488 : return;
130 0 : }
131 : }
132 : try {
133 0 : aListener->disposing(
134 0 : css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
135 0 : } catch (css::lang::DisposedException &) {}
136 : }
137 :
138 23528 : void RootAccess::removeChangesListener(
139 : css::uno::Reference< css::util::XChangesListener > const & aListener)
140 : throw (css::uno::RuntimeException, std::exception)
141 : {
142 : assert(thisIs(IS_ANY));
143 23528 : osl::MutexGuard g(*lock_);
144 23528 : checkLocalizedPropertyAccess();
145 23528 : ChangesListeners::iterator i(changesListeners_.find(aListener));
146 23528 : if (i != changesListeners_.end()) {
147 20290 : changesListeners_.erase(i);
148 23528 : }
149 23528 : }
150 :
151 65721 : void RootAccess::commitChanges()
152 : throw (css::lang::WrappedTargetException,
153 : css::uno::RuntimeException,
154 : std::exception)
155 : {
156 : assert(thisIs(IS_UPDATE));
157 65721 : if (!alive_)
158 : {
159 65721 : return;
160 : }
161 65721 : Broadcaster bc;
162 : {
163 65721 : osl::MutexGuard g(*lock_);
164 :
165 65721 : checkLocalizedPropertyAccess();
166 : int finalizedLayer;
167 131442 : Modifications globalMods;
168 : commitChildChanges(
169 65721 : ((getComponents().resolvePathRepresentation(
170 : pathRepresentation_, 0, 0, &finalizedLayer)
171 328605 : == node_) &&
172 65721 : finalizedLayer == Data::NO_LAYER),
173 65721 : &globalMods);
174 65721 : getComponents().writeModifications();
175 131442 : getComponents().initGlobalBroadcaster(globalMods, this, &bc);
176 : }
177 65721 : bc.send();
178 : }
179 :
180 0 : sal_Bool RootAccess::hasPendingChanges() throw (css::uno::RuntimeException, std::exception) {
181 : assert(thisIs(IS_UPDATE));
182 0 : osl::MutexGuard g(*lock_);
183 0 : checkLocalizedPropertyAccess();
184 : //TODO: Optimize:
185 0 : std::vector< css::util::ElementChange > changes;
186 0 : reportChildChanges(&changes);
187 0 : return !changes.empty();
188 : }
189 :
190 0 : css::util::ChangesSet RootAccess::getPendingChanges()
191 : throw (css::uno::RuntimeException, std::exception)
192 : {
193 : assert(thisIs(IS_UPDATE));
194 0 : osl::MutexGuard g(*lock_);
195 0 : checkLocalizedPropertyAccess();
196 0 : comphelper::SequenceAsVector< css::util::ElementChange > changes;
197 0 : reportChildChanges(&changes);
198 0 : return changes.getAsConstList();
199 : }
200 :
201 526983 : RootAccess::~RootAccess()
202 : {
203 175661 : osl::MutexGuard g(*lock_);
204 175661 : if (alive_)
205 175661 : getComponents().removeRootAccess(this);
206 351322 : }
207 :
208 223464 : Path RootAccess::getRelativePath() {
209 223464 : return Path();
210 : }
211 :
212 44858 : OUString RootAccess::getRelativePathRepresentation() {
213 44858 : return OUString();
214 : }
215 :
216 15657911 : rtl::Reference< Node > RootAccess::getNode() {
217 15657911 : if (!node_.is()) {
218 171552 : OUString canonic;
219 : int finalizedLayer;
220 343104 : node_ = getComponents().resolvePathRepresentation(
221 171552 : pathRepresentation_, &canonic, &path_, &finalizedLayer);
222 171552 : if (!node_.is()) {
223 : throw css::uno::RuntimeException(
224 0 : "cannot find " + pathRepresentation_, 0);
225 : // RootAccess::queryInterface indirectly calls
226 : // RootAccess::getNode, so if this RootAccess were passed out in
227 : // RuntimeException.Context, client code that called
228 : // queryInterface on it would cause trouble; therefore,
229 : // RuntimeException.Context is left null here
230 : }
231 171552 : pathRepresentation_ = canonic;
232 : assert(!path_.empty() || node_->kind() == Node::KIND_ROOT);
233 171552 : if (!path_.empty()) {
234 163338 : name_ = path_.back();
235 : }
236 171552 : finalized_ = finalizedLayer != Data::NO_LAYER;
237 : }
238 15657911 : return node_;
239 : }
240 :
241 672051 : bool RootAccess::isFinalized() {
242 672051 : getNode();
243 672051 : return finalized_;
244 : }
245 :
246 0 : OUString RootAccess::getNameInternal() {
247 0 : getNode();
248 0 : return name_;
249 : }
250 :
251 2908252 : rtl::Reference< RootAccess > RootAccess::getRootAccess() {
252 2908252 : return this;
253 : }
254 :
255 446928 : rtl::Reference< Access > RootAccess::getParentAccess() {
256 446928 : return rtl::Reference< Access >();
257 : }
258 :
259 0 : void RootAccess::addTypes(std::vector< css::uno::Type > * types) const {
260 : assert(types != 0);
261 0 : types->push_back(cppu::UnoType< css::util::XChangesNotifier >::get());
262 0 : types->push_back(cppu::UnoType< css::util::XChangesBatch >::get());
263 0 : }
264 :
265 2596 : void RootAccess::addSupportedServiceNames(
266 : std::vector< OUString > * services)
267 : {
268 : assert(services != 0);
269 2596 : services->push_back("com.sun.star.configuration.AccessRootElement");
270 2596 : if (update_) {
271 2250 : services->push_back("com.sun.star.configuration.UpdateRootElement");
272 : }
273 2596 : }
274 :
275 0 : void RootAccess::initDisposeBroadcaster(Broadcaster * broadcaster) {
276 : assert(broadcaster != 0);
277 0 : for (ChangesListeners::iterator i(changesListeners_.begin());
278 0 : i != changesListeners_.end(); ++i)
279 : {
280 : broadcaster->addDisposeNotification(
281 0 : i->get(),
282 0 : css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
283 : }
284 0 : Access::initDisposeBroadcaster(broadcaster);
285 0 : }
286 :
287 0 : void RootAccess::clearListeners() throw() {
288 0 : changesListeners_.clear();
289 0 : Access::clearListeners();
290 0 : }
291 :
292 798006 : css::uno::Any RootAccess::queryInterface(css::uno::Type const & aType)
293 : throw (css::uno::RuntimeException, std::exception)
294 : {
295 : assert(thisIs(IS_ANY));
296 798006 : osl::MutexGuard g(*lock_);
297 798006 : checkLocalizedPropertyAccess();
298 798006 : css::uno::Any res(Access::queryInterface(aType));
299 798006 : if (res.hasValue()) {
300 653415 : return res;
301 : }
302 289182 : res = cppu::queryInterface(
303 144591 : aType, static_cast< css::util::XChangesNotifier * >(this));
304 144591 : if (res.hasValue()) {
305 71540 : return res;
306 : }
307 73051 : if (!res.hasValue() && update_) {
308 138158 : res = cppu::queryInterface(
309 69079 : aType, static_cast< css::util::XChangesBatch * >(this));
310 : }
311 73051 : return res;
312 : }
313 :
314 0 : OUString RootAccess::getImplementationName()
315 : throw (css::uno::RuntimeException, std::exception)
316 : {
317 : assert(thisIs(IS_ANY));
318 0 : osl::MutexGuard g(*lock_);
319 0 : checkLocalizedPropertyAccess();
320 0 : return OUString("configmgr.RootAccess");
321 : }
322 :
323 : }
324 :
325 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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