File indexing completed on 2024-05-12 05:25:59 

0001 /*
0002  * Copyright (C) 2014 Christian Mollekopf <chrigi_1@fastmail.fm>
0003  *
0004  * This library is free software; you can redistribute it and/or
0005  * modify it under the terms of the GNU Lesser General Public
0006  * License as published by the Free Software Foundation; either
0007  * version 2.1 of the License, or (at your option) version 3, or any
0008  * later version accepted by the membership of KDE e.V. (or its
0009  * successor approved by the membership of KDE e.V.), which shall
0010  * act as a proxy defined in Section 6 of version 3 of the license.
0011  *
0012  * This library is distributed in the hope that it will be useful,
0013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0015  * Lesser General Public License for more details.
0016  *
0017  * You should have received a copy of the GNU Lesser General Public
0018  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
0019  */
0020 #include "facadefactory.h"
0021 
0022 #include "resourcefacade.h"
0023 #include "resource.h"
0024 #include "adaptorfactoryregistry.h"
0025 
0026 using namespace Sink;
0027 
0028 QMutex FacadeFactory::sMutex;
0029 
0030 FacadeFactory::FacadeFactory()
0031 {
0032     registerStaticFacades();
0033 }
0034 
0035 FacadeFactory &FacadeFactory::instance()
0036 {
0037     QMutexLocker locker(&sMutex);
0038     static FacadeFactory *instance = nullptr;
0039     if (!instance) {
0040         instance = new FacadeFactory;
0041     }
0042     return *instance;
0043 }
0044 
0045 QByteArray FacadeFactory::key(const QByteArray &resource, const QByteArray &type)
0046 {
0047     return resource + type;
0048 }
0049 
0050 void FacadeFactory::resetFactory()
0051 {
0052     QMutexLocker locker(&sMutex);
0053     mFacadeRegistry.clear();
0054     registerStaticFacades();
0055 }
0056 
0057 void FacadeFactory::registerStaticFacades()
0058 {
0059     registerFacade<Sink::ApplicationDomain::SinkResource, ResourceFacade>();
0060     registerFacade<Sink::ApplicationDomain::SinkAccount, AccountFacade>();
0061     registerFacade<Sink::ApplicationDomain::Identity, IdentityFacade>();
0062 }
0063 
0064 std::shared_ptr<void> FacadeFactory::getFacade(const QByteArray &resource, const QByteArray &instanceIdentifier, const QByteArray &typeName)
0065 {
0066     QMutexLocker locker(&sMutex);
0067 
0068     const QByteArray k = key(resource, typeName);
0069     if (!mFacadeRegistry.contains(k)) {
0070         locker.unlock();
0071         // This will call FacadeFactory::instace() internally
0072         Sink::ResourceFactory::load(resource);
0073         locker.relock();
0074     }
0075 
0076     if (auto factoryFunction = mFacadeRegistry.value(k)) {
0077         return factoryFunction(ResourceContext{instanceIdentifier, resource, AdaptorFactoryRegistry::instance().getFactories(resource)});
0078     }
0079     qWarning() << "Failed to find facade for resource: " << resource << " and type: " << typeName;
0080     return std::shared_ptr<void>();
0081 }
0082 
0083 void FacadeFactory::registerFacade(const QByteArray &resource, const FactoryFunction &customFactoryFunction, const QByteArray typeName)
0084 {
0085     mFacadeRegistry.insert(key(resource, typeName), customFactoryFunction);
0086 }