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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /configmgr/source/rootaccess.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'configmgr/source/rootaccess.cxx')
-rw-r--r--configmgr/source/rootaccess.cxx313
1 files changed, 313 insertions, 0 deletions
diff --git a/configmgr/source/rootaccess.cxx b/configmgr/source/rootaccess.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+#include <utility>
+#include <vector>
+
+#include <com/sun/star/lang/DisposedException.hpp>
+#include <com/sun/star/lang/EventObject.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/Type.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <com/sun/star/util/ChangesEvent.hpp>
+#include <com/sun/star/util/ChangesSet.hpp>
+#include <com/sun/star/util/ElementChange.hpp>
+#include <com/sun/star/util/XChangesBatch.hpp>
+#include <com/sun/star/util/XChangesListener.hpp>
+#include <com/sun/star/util/XChangesNotifier.hpp>
+#include <comphelper/sequence.hxx>
+#include <cppu/unotype.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/weak.hxx>
+#include <osl/mutex.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/ustring.hxx>
+
+#include "broadcaster.hxx"
+#include "components.hxx"
+#include "data.hxx"
+#include "lock.hxx"
+#include "modifications.hxx"
+#include "node.hxx"
+#include "rootaccess.hxx"
+
+namespace configmgr {
+
+RootAccess::RootAccess(
+ Components & components, OUString pathRepresentation,
+ OUString locale, bool update):
+ Access(components), pathRepresentation_(std::move(pathRepresentation)),
+ locale_(std::move(locale)),
+ lock_( lock() ),
+ update_(update), finalized_(false), alive_(true)
+{
+}
+
+std::vector<OUString> RootAccess::getAbsolutePath() {
+ getNode();
+ return path_;
+}
+
+void RootAccess::initBroadcaster(
+ Modifications::Node const & modifications, Broadcaster * broadcaster)
+{
+ assert(broadcaster != nullptr);
+ std::vector< css::util::ElementChange > changes;
+ initBroadcasterAndChanges(
+ modifications, broadcaster, changesListeners_.empty() ? nullptr : &changes);
+ if (changes.empty())
+ return;
+
+ css::util::ChangesSet set(comphelper::containerToSequence(changes));
+ for (auto const& changesListener : changesListeners_)
+ {
+ cppu::OWeakObject* pSource = this;
+ css::uno::Reference< css::uno::XInterface > xBase( pSource, css::uno::UNO_QUERY );
+ broadcaster->addChangesNotification(
+ changesListener,
+ css::util::ChangesEvent(
+ pSource, css::uno::Any( xBase ), set));
+ }
+}
+
+void RootAccess::acquire() noexcept {
+ Access::acquire();
+}
+
+void RootAccess::release() noexcept {
+ Access::release();
+}
+
+OUString const & RootAccess::getAbsolutePathRepresentation() {
+ getNode(); // turn pathRepresentation_ into canonic form
+ return pathRepresentation_;
+}
+
+
+void RootAccess::setAlive(bool b) {
+ alive_ = b;
+}
+
+void RootAccess::addChangesListener(
+ css::uno::Reference< css::util::XChangesListener > const & aListener)
+{
+ assert(thisIs(IS_ANY));
+ {
+ osl::MutexGuard g(*lock_);
+ checkLocalizedPropertyAccess();
+ if (!aListener.is()) {
+ throw css::uno::RuntimeException(
+ "null listener", static_cast< cppu::OWeakObject * >(this));
+ }
+ if (!isDisposed()) {
+ changesListeners_.insert(aListener);
+ return;
+ }
+ }
+ try {
+ aListener->disposing(
+ css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+ } catch (css::lang::DisposedException &) {}
+}
+
+void RootAccess::removeChangesListener(
+ css::uno::Reference< css::util::XChangesListener > const & aListener)
+{
+ assert(thisIs(IS_ANY));
+ osl::MutexGuard g(*lock_);
+ checkLocalizedPropertyAccess();
+ ChangesListeners::iterator i(changesListeners_.find(aListener));
+ if (i != changesListeners_.end()) {
+ changesListeners_.erase(i);
+ }
+}
+
+void RootAccess::commitChanges()
+{
+ assert(thisIs(IS_UPDATE));
+ if (!alive_)
+ {
+ return;
+ }
+ Broadcaster bc;
+ {
+ osl::MutexGuard g(*lock_);
+
+ checkLocalizedPropertyAccess();
+ int finalizedLayer;
+ Modifications globalMods;
+ commitChildChanges(
+ ((getComponents().resolvePathRepresentation(
+ pathRepresentation_, nullptr, nullptr, &finalizedLayer)
+ == node_) &&
+ finalizedLayer == Data::NO_LAYER),
+ &globalMods);
+ getComponents().writeModifications();
+ getComponents().initGlobalBroadcaster(globalMods, this, &bc);
+ }
+ bc.send();
+}
+
+sal_Bool RootAccess::hasPendingChanges() {
+ assert(thisIs(IS_UPDATE));
+ osl::MutexGuard g(*lock_);
+ checkLocalizedPropertyAccess();
+ //TODO: Optimize:
+ std::vector< css::util::ElementChange > changes;
+ reportChildChanges(&changes);
+ return !changes.empty();
+}
+
+css::uno::Sequence< ::css::util::ElementChange > RootAccess::getPendingChanges()
+{
+ assert(thisIs(IS_UPDATE));
+ osl::MutexGuard g(*lock_);
+ checkLocalizedPropertyAccess();
+ std::vector< css::util::ElementChange > changes;
+ reportChildChanges(&changes);
+ return comphelper::containerToSequence(changes);
+}
+
+RootAccess::~RootAccess()
+{
+ osl::MutexGuard g(*lock_);
+ if (alive_)
+ getComponents().removeRootAccess(this);
+}
+
+std::vector<OUString> RootAccess::getRelativePath() {
+ return std::vector<OUString>();
+}
+
+OUString RootAccess::getRelativePathRepresentation() {
+ return OUString();
+}
+
+rtl::Reference< Node > RootAccess::getNode() {
+ if (!node_.is()) {
+ OUString canonic;
+ int finalizedLayer;
+ node_ = getComponents().resolvePathRepresentation(
+ pathRepresentation_, &canonic, &path_, &finalizedLayer);
+ if (!node_.is()) {
+ throw css::uno::RuntimeException(
+ "cannot find " + pathRepresentation_, nullptr);
+ // RootAccess::queryInterface indirectly calls
+ // RootAccess::getNode, so if this RootAccess were passed out in
+ // RuntimeException.Context, client code that called
+ // queryInterface on it would cause trouble; therefore,
+ // RuntimeException.Context is left null here
+ }
+ pathRepresentation_ = canonic;
+ assert(!path_.empty() || node_->kind() == Node::KIND_ROOT);
+ if (!path_.empty()) {
+ name_ = path_.back();
+ }
+ finalized_ = finalizedLayer != Data::NO_LAYER;
+ }
+ return node_;
+}
+
+bool RootAccess::isFinalized() {
+ getNode();
+ return finalized_;
+}
+
+const OUString & RootAccess::getNameInternal() {
+ getNode();
+ return name_;
+}
+
+rtl::Reference< RootAccess > RootAccess::getRootAccess() {
+ return this;
+}
+
+rtl::Reference< Access > RootAccess::getParentAccess() {
+ return rtl::Reference< Access >();
+}
+
+void RootAccess::addTypes(std::vector< css::uno::Type > * types) const {
+ assert(types != nullptr);
+ types->push_back(cppu::UnoType< css::util::XChangesNotifier >::get());
+ types->push_back(cppu::UnoType< css::util::XChangesBatch >::get());
+}
+
+void RootAccess::addSupportedServiceNames(
+ std::vector<OUString> * services)
+{
+ assert(services != nullptr);
+ services->push_back("com.sun.star.configuration.AccessRootElement");
+ if (update_) {
+ services->push_back("com.sun.star.configuration.UpdateRootElement");
+ }
+}
+
+void RootAccess::initDisposeBroadcaster(Broadcaster * broadcaster) {
+ assert(broadcaster != nullptr);
+ for (auto const& changesListener : changesListeners_)
+ {
+ broadcaster->addDisposeNotification(
+ changesListener,
+ css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+ }
+ Access::initDisposeBroadcaster(broadcaster);
+}
+
+void RootAccess::clearListeners() noexcept {
+ changesListeners_.clear();
+ Access::clearListeners();
+}
+
+css::uno::Any RootAccess::queryInterface(css::uno::Type const & aType)
+{
+ assert(thisIs(IS_ANY));
+ osl::MutexGuard g(*lock_);
+ checkLocalizedPropertyAccess();
+ css::uno::Any res(Access::queryInterface(aType));
+ if (res.hasValue()) {
+ return res;
+ }
+ res = cppu::queryInterface(
+ aType, static_cast< css::util::XChangesNotifier * >(this));
+ if (res.hasValue()) {
+ return res;
+ }
+ if (!res.hasValue() && update_) {
+ res = cppu::queryInterface(
+ aType, static_cast< css::util::XChangesBatch * >(this));
+ }
+ return res;
+}
+
+OUString RootAccess::getImplementationName()
+{
+ assert(thisIs(IS_ANY));
+ osl::MutexGuard g(*lock_);
+ checkLocalizedPropertyAccess();
+ return "configmgr.RootAccess";
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */