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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/.
*/
#include <sal/config.h>
#include <cassert>
#include <memory>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/configuration/ReadOnlyAccess.hpp>
#include <com/sun/star/configuration/ReadWriteAccess.hpp>
#include <com/sun/star/configuration/XReadWriteAccess.hpp>
#include <com/sun/star/configuration/theDefaultProvider.hpp>
#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
#include <com/sun/star/container/XHierarchicalNameReplace.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/lang/XLocalizable.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <comphelper/solarmutex.hxx>
#include <comphelper/configuration.hxx>
#include <comphelper/configurationlistener.hxx>
#include <rtl/instance.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>
#include <i18nlangtag/languagetag.hxx>
namespace com::sun::star::uno { class XComponentContext; }
namespace {
struct TheConfigurationWrapper:
public rtl::StaticWithArg<
comphelper::detail::ConfigurationWrapper,
css::uno::Reference< css::uno::XComponentContext >,
TheConfigurationWrapper >
{};
OUString getDefaultLocale(
css::uno::Reference< css::uno::XComponentContext > const & context)
{
return LanguageTag(
css::uno::Reference< css::lang::XLocalizable >(
css::configuration::theDefaultProvider::get(context),
css::uno::UNO_QUERY_THROW)->
getLocale()).getBcp47(false);
}
OUString extendLocalizedPath(OUString const & path, OUString const & locale) {
SAL_WARN_IF(
locale.match("*"), "comphelper",
"Locale \"" << locale << "\" starts with \"*\"");
assert(locale.indexOf('&') == -1);
assert(locale.indexOf('"') == -1);
assert(locale.indexOf('\'') == -1);
return path + "/['*" + locale + "']";
}
}
std::shared_ptr< comphelper::ConfigurationChanges >
comphelper::ConfigurationChanges::create(
css::uno::Reference< css::uno::XComponentContext > const & context)
{
return TheConfigurationWrapper::get(context).createChanges();
}
comphelper::ConfigurationChanges::~ConfigurationChanges() {}
void comphelper::ConfigurationChanges::commit() const {
access_->commitChanges();
}
comphelper::ConfigurationChanges::ConfigurationChanges(
css::uno::Reference< css::uno::XComponentContext > const & context):
access_(
css::configuration::ReadWriteAccess::create(
context, getDefaultLocale(context)))
{}
void comphelper::ConfigurationChanges::setPropertyValue(
OUString const & path, css::uno::Any const & value) const
{
access_->replaceByHierarchicalName(path, value);
}
css::uno::Reference< css::container::XHierarchicalNameReplace >
comphelper::ConfigurationChanges::getGroup(OUString const & path) const
{
return css::uno::Reference< css::container::XHierarchicalNameReplace >(
access_->getByHierarchicalName(path), css::uno::UNO_QUERY_THROW);
}
css::uno::Reference< css::container::XNameContainer >
comphelper::ConfigurationChanges::getSet(OUString const & path) const
{
return css::uno::Reference< css::container::XNameContainer >(
access_->getByHierarchicalName(path), css::uno::UNO_QUERY_THROW);
}
comphelper::detail::ConfigurationWrapper const &
comphelper::detail::ConfigurationWrapper::get(
css::uno::Reference< css::uno::XComponentContext > const & context)
{
return TheConfigurationWrapper::get(context);
}
comphelper::detail::ConfigurationWrapper::ConfigurationWrapper(
css::uno::Reference< css::uno::XComponentContext > const & context):
context_(context),
access_(css::configuration::ReadWriteAccess::create(context, "*"))
{}
comphelper::detail::ConfigurationWrapper::~ConfigurationWrapper() {}
bool comphelper::detail::ConfigurationWrapper::isReadOnly(OUString const & path)
const
{
return
(access_->getPropertyByHierarchicalName(path).Attributes
& css::beans::PropertyAttribute::READONLY)
!= 0;
}
css::uno::Any comphelper::detail::ConfigurationWrapper::getPropertyValue(
OUString const & path) const
{
return access_->getByHierarchicalName(path);
}
void comphelper::detail::ConfigurationWrapper::setPropertyValue(
std::shared_ptr< ConfigurationChanges > const & batch,
OUString const & path, css::uno::Any const & value)
{
assert(batch.get() != nullptr);
batch->setPropertyValue(path, value);
}
css::uno::Any
comphelper::detail::ConfigurationWrapper::getLocalizedPropertyValue(
OUString const & path) const
{
return access_->getByHierarchicalName(
extendLocalizedPath(path, getDefaultLocale(context_)));
}
void comphelper::detail::ConfigurationWrapper::setLocalizedPropertyValue(
std::shared_ptr< ConfigurationChanges > const & batch,
OUString const & path, css::uno::Any const & value)
{
assert(batch.get() != nullptr);
batch->setPropertyValue(path, value);
}
css::uno::Reference< css::container::XHierarchicalNameAccess >
comphelper::detail::ConfigurationWrapper::getGroupReadOnly(
OUString const & path) const
{
return css::uno::Reference< css::container::XHierarchicalNameAccess >(
(css::configuration::ReadOnlyAccess::create(
context_, getDefaultLocale(context_))->
getByHierarchicalName(path)),
css::uno::UNO_QUERY_THROW);
}
css::uno::Reference< css::container::XHierarchicalNameReplace >
comphelper::detail::ConfigurationWrapper::getGroupReadWrite(
std::shared_ptr< ConfigurationChanges > const & batch,
OUString const & path)
{
assert(batch.get() != nullptr);
return batch->getGroup(path);
}
css::uno::Reference< css::container::XNameAccess >
comphelper::detail::ConfigurationWrapper::getSetReadOnly(
OUString const & path) const
{
return css::uno::Reference< css::container::XNameAccess >(
(css::configuration::ReadOnlyAccess::create(
context_, getDefaultLocale(context_))->
getByHierarchicalName(path)),
css::uno::UNO_QUERY_THROW);
}
css::uno::Reference< css::container::XNameContainer >
comphelper::detail::ConfigurationWrapper::getSetReadWrite(
std::shared_ptr< ConfigurationChanges > const & batch,
OUString const & path)
{
assert(batch.get() != nullptr);
return batch->getSet(path);
}
std::shared_ptr< comphelper::ConfigurationChanges >
comphelper::detail::ConfigurationWrapper::createChanges() const {
return std::shared_ptr< ConfigurationChanges >(
new ConfigurationChanges(context_));
}
void comphelper::ConfigurationListener::addListener(ConfigurationListenerPropertyBase *pListener)
{
maListeners.push_back( pListener );
mxConfig->addPropertyChangeListener( pListener->maName, this );
pListener->setProperty( mxConfig->getPropertyValue( pListener->maName ) );
}
void comphelper::ConfigurationListener::removeListener(ConfigurationListenerPropertyBase *pListener)
{
auto it = std::find( maListeners.begin(), maListeners.end(), pListener );
if ( it != maListeners.end() )
{
maListeners.erase( it );
mxConfig->removePropertyChangeListener( pListener->maName, this );
}
}
void comphelper::ConfigurationListener::dispose()
{
for (auto const& listener : maListeners)
{
mxConfig->removePropertyChangeListener( listener->maName, this );
listener->dispose();
}
maListeners.clear();
}
void SAL_CALL comphelper::ConfigurationListener::disposing(css::lang::EventObject const &)
{
dispose();
}
void SAL_CALL comphelper::ConfigurationListener::propertyChange(
css::beans::PropertyChangeEvent const &rEvt )
{
// Code is commonly used inside the SolarMutexGuard
// so to avoid concurrent writes to the property,
// and allow fast, lock-less access, guard here.
//
// Note that we are abusing rtl::Reference here to do acquire/release because,
// unlike osl::Guard, it is tolerant of null pointers, and on some code paths, the
// SolarMutex does not exist.
rtl::Reference<comphelper::SolarMutex> xMutexGuard( comphelper::SolarMutex::get() );
assert( rEvt.Source == mxConfig );
for (auto const& listener : maListeners)
{
if ( listener->maName == rEvt.PropertyName )
{
// ignore rEvt.NewValue - in theory it could be stale => not set.
css::uno::Any aValue = mxConfig->getPropertyValue( listener->maName );
listener->setProperty( aValue );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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