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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/.
*/
#pragma once
#include <sal/config.h>
#include <cassert>
#include <functional>
#include <memory>
#include <mutex>
#include <string_view>
#include <unordered_map>
#include <utility>
#include <vector>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/XPropertySetInfo.hpp>
#include <com/sun/star/container/XContentEnumerationAccess.hpp>
#include <com/sun/star/container/XSet.hpp>
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <compbase2.hxx>
#include <rtl/ustring.hxx>
#include <boost/container/small_vector.hpp>
namespace com::sun::star::lang {
class XSingleComponentFactory;
}
namespace cppu { struct ContextEntry_Init; }
namespace com :: sun :: star :: lang { class XSingleServiceFactory; }
namespace com :: sun :: star :: uno { class XComponentContext; }
class RegistryKey;
namespace cppuhelper {
extern "C" {
typedef css::uno::XInterface * ImplementationConstructorFn(
css::uno::XComponentContext *, css::uno::Sequence<css::uno::Any> const &);
}
typedef std::function<css::uno::XInterface * (css::uno::XComponentContext *, css::uno::Sequence<css::uno::Any> const&)> WrapperConstructorFn;
typedef WeakComponentImplHelper2<
css::lang::XServiceInfo, css::lang::XMultiServiceFactory,
css::lang::XMultiComponentFactory, css::container::XSet,
css::container::XContentEnumerationAccess, css::beans::XPropertySet,
css::beans::XPropertySetInfo, css::lang::XEventListener,
css::lang::XInitialization>
ServiceManagerBase;
class ServiceManager : public ServiceManagerBase
{
public:
struct Data {
Data() = default;
Data(const Data&) = delete;
const Data& operator=(const Data&) = delete;
struct Implementation {
Implementation(
OUString theName, OUString theLoader,
OUString theUri, OUString theEnvironment,
OUString theConstructorName,
OUString thePrefix,
bool theIsSingleInstance,
css::uno::Reference< css::uno::XComponentContext > theAlienContext,
OUString theRdbFile):
name(std::move(theName)), loader(std::move(theLoader)), uri(std::move(theUri)), environment(std::move(theEnvironment)),
constructorName(std::move(theConstructorName)), prefix(std::move(thePrefix)),
isSingleInstance(theIsSingleInstance),
alienContext(std::move(theAlienContext)), rdbFile(std::move(theRdbFile)),
constructorFn(nullptr), status(STATUS_NEW), dispose(true)
{}
Implementation(
OUString theName,
css::uno::Reference< css::lang::XSingleComponentFactory >
const & theFactory1,
css::uno::Reference< css::lang::XSingleServiceFactory > const &
theFactory2,
css::uno::Reference< css::lang::XComponent > theComponent):
name(std::move(theName)), isSingleInstance(false), constructorFn(nullptr),
factory1(theFactory1), factory2(theFactory2),
component(std::move(theComponent)), status(STATUS_LOADED), dispose(true)
{ assert(theFactory1.is() || theFactory2.is()); }
Implementation(const Implementation&) = delete;
const Implementation& operator=(const Implementation&) = delete;
css::uno::Reference<css::uno::XInterface> createInstance(
css::uno::Reference<css::uno::XComponentContext> const &
context,
bool singletonRequest);
css::uno::Reference<css::uno::XInterface>
createInstanceWithArguments(
css::uno::Reference<css::uno::XComponentContext> const &
context,
bool singletonRequest,
css::uno::Sequence<css::uno::Any> const & arguments);
bool shallDispose() const { return isSingleInstance || !singletons.empty(); }
enum Status { STATUS_NEW, STATUS_WRAPPER, STATUS_LOADED };
// Logically, exactly one of constructorFn, factory1, factory2 should
// be set. However, there are two exceptions: For one, when
// constructorFn is set, ServiceManager::createContentEnumeration will
// store the necessary ImplementationWrapper in factory1 (so that
// multiple calls to createContentEnumeration will return the same
// wrapper). For another, when factory1 should be set but status is
// STATUS_NEW, factory1 is not yet set (and when status is
// STATUS_WRAPPER, factory1 is merely set to an
// ImplementationWrapper---also due to a
// ServiceManager::createContentEnumeration call---and will be
// loaded later).
OUString name;
OUString loader;
OUString uri;
OUString environment;
OUString constructorName;
OUString prefix;
bool isSingleInstance;
css::uno::Reference< css::uno::XComponentContext > alienContext;
OUString rdbFile;
std::vector< OUString > services;
std::vector< OUString > singletons;
WrapperConstructorFn constructorFn;
css::uno::Reference< css::lang::XSingleComponentFactory > factory1;
css::uno::Reference< css::lang::XSingleServiceFactory > factory2;
css::uno::Reference< css::lang::XComponent > component;
Status status;
std::mutex mutex;
css::uno::Reference<css::uno::XInterface> singleInstance;
css::uno::Reference< css::lang::XComponent > disposeInstance;
bool dispose;
private:
css::uno::Reference<css::uno::XInterface> doCreateInstance(
css::uno::Reference<css::uno::XComponentContext> const & context);
css::uno::Reference<css::uno::XInterface> doCreateInstanceWithArguments(
css::uno::Reference<css::uno::XComponentContext> const & context,
css::uno::Sequence<css::uno::Any> const & arguments);
void updateDisposeInstance(
bool singletonRequest,
css::uno::Reference<css::uno::XInterface> const & instance);
};
typedef std::unordered_map< OUString, std::shared_ptr< Implementation > >
NamedImplementations;
typedef
std::unordered_map<
css::uno::Reference< css::lang::XServiceInfo >,
std::shared_ptr< Implementation > >
DynamicImplementations;
typedef
std::unordered_map<
OUString,
boost::container::small_vector< std::shared_ptr< Implementation >, 2 > >
ImplementationMap;
NamedImplementations namedImplementations;
DynamicImplementations dynamicImplementations;
ImplementationMap services;
ImplementationMap singletons;
};
ServiceManager() {}
ServiceManager(const ServiceManager&) = delete;
const ServiceManager& operator=(const ServiceManager&) = delete;
using ServiceManagerBase::acquire;
using ServiceManagerBase::release;
void init(std::u16string_view rdbUris);
void setContext(
css::uno::Reference< css::uno::XComponentContext > const & context)
{
assert(context.is());
assert(!context_.is());
context_ = context;
}
void addSingletonContextEntries(
std::vector< cppu::ContextEntry_Init > * entries);
css::uno::Reference< css::uno::XComponentContext > const & getContext()
const
{
assert(context_.is());
return context_;
}
void loadImplementation(
css::uno::Reference< css::uno::XComponentContext > const & context,
std::shared_ptr< Data::Implementation > const & implementation);
private:
virtual ~ServiceManager() override;
virtual void disposing(std::unique_lock<std::mutex>&) override;
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
virtual css::uno::Sequence< OUString > SAL_CALL
getSupportedServiceNames() override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(
OUString const & aServiceSpecifier) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArguments(
OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments) override;
virtual css::uno::Sequence< OUString > SAL_CALL
getAvailableServiceNames() override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithContext(
OUString const & aServiceSpecifier,
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArgumentsAndContext(
OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual css::uno::Type SAL_CALL getElementType() override;
virtual sal_Bool SAL_CALL hasElements() override;
virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL
createEnumeration() override;
virtual sal_Bool SAL_CALL has(css::uno::Any const & aElement) override;
virtual void SAL_CALL insert(css::uno::Any const & aElement) override;
virtual void SAL_CALL remove(css::uno::Any const & aElement) override;
virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL
createContentEnumeration(OUString const & aServiceName) override;
virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
getPropertySetInfo() override;
virtual void SAL_CALL setPropertyValue(
OUString const & aPropertyName, css::uno::Any const & aValue) override;
virtual css::uno::Any SAL_CALL getPropertyValue(
OUString const & PropertyName) override;
virtual void SAL_CALL addPropertyChangeListener(
OUString const & aPropertyName,
css::uno::Reference< css::beans::XPropertyChangeListener > const &
xListener) override;
virtual void SAL_CALL removePropertyChangeListener(
OUString const & aPropertyName,
css::uno::Reference< css::beans::XPropertyChangeListener > const &
aListener) override;
virtual void SAL_CALL addVetoableChangeListener(
OUString const & PropertyName,
css::uno::Reference< css::beans::XVetoableChangeListener > const &
aListener) override;
virtual void SAL_CALL removeVetoableChangeListener(
OUString const & PropertyName,
css::uno::Reference< css::beans::XVetoableChangeListener > const &
aListener) override;
virtual css::uno::Sequence< css::beans::Property > SAL_CALL getProperties() override;
virtual css::beans::Property SAL_CALL getPropertyByName(
OUString const & aName) override;
virtual sal_Bool SAL_CALL hasPropertyByName(OUString const & Name) override;
virtual void SAL_CALL disposing(css::lang::EventObject const & Source) override;
virtual void SAL_CALL initialize(
css::uno::Sequence<css::uno::Any> const & aArguments)
override;
void removeEventListenerFromComponent(
css::uno::Reference< css::lang::XComponent > const & component);
void readRdbDirectory(std::u16string_view uri, bool optional);
void readRdbFile(OUString const & uri, bool optional);
bool readLegacyRdbFile(OUString const & uri);
OUString readLegacyRdbString(
std::u16string_view uri, RegistryKey & key,
OUString const & path);
void readLegacyRdbStrings(
std::u16string_view uri, RegistryKey & key,
OUString const & path, std::vector< OUString > * strings);
void insertRdbFiles(
std::vector< OUString > const & uris,
css::uno::Reference< css::uno::XComponentContext > const &
alientContext);
void insertLegacyFactory(
css::uno::Reference< css::lang::XServiceInfo > const & factoryInfo);
bool insertExtraData(Data const & extra);
void removeRdbFiles(std::vector< OUString > const & uris);
bool removeLegacyFactory(
css::uno::Reference< css::lang::XServiceInfo > const & factoryInfo,
bool removeListener);
void removeImplementation(const OUString & name);
std::shared_ptr< Data::Implementation > findServiceImplementation(
css::uno::Reference< css::uno::XComponentContext > const & context,
OUString const & specifier);
void preloadImplementations();
css::uno::Reference< css::uno::XComponentContext > context_;
Data data_;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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