File indexing completed on 2024-05-12 05:26:01

 /*
  * Copyright (C) 2015 Christian Mollekopf <chrigi_1@fastmail.fm>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) version 3, or any
  * later version accepted by the membership of KDE e.V. (or its
  * successor approved by the membership of KDE e.V.), which shall
  * act as a proxy defined in Section 6 of version 3 of the license.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "notifier.h"
 
 #include <functional>
 
 #include "resourceaccess.h"
 #include "resourceconfig.h"
 #include "query.h"
 #include "facadefactory.h"
 #include "log.h"
 
 using namespace Sink;
 
 class Sink::Notifier::Private
 {
 public:
     Private()
     {
     }
 
     void listenForNotifications(const QSharedPointer<ResourceAccess> &access)
     {
         QObject::connect(access.data(), &ResourceAccess::notification, &context, [this](const Notification &notification) {
             for (const auto &h : handler) {
                 h(notification);
             }
         });
         resourceAccess << access;
     }
 
     QList<QSharedPointer<ResourceAccess>> resourceAccess;
     QList<std::function<void(const Notification &)>> handler;
     QSharedPointer<Sink::ResultEmitter<QSharedPointer<Sink::ApplicationDomain::SinkResource> > > mResourceEmitter;
     QObject context;
 };
 
 Notifier::Notifier(const QSharedPointer<ResourceAccess> &resourceAccess) : d(new Sink::Notifier::Private)
 {
     d->listenForNotifications(resourceAccess);
 }
 
 Notifier::Notifier(const QByteArray &instanceIdentifier, const QByteArray &resourceType) : d(new Sink::Notifier::Private)
 {
     auto resourceAccess = Sink::ResourceAccessFactory::instance().getAccess(instanceIdentifier, resourceType);
     resourceAccess->open();
     d->listenForNotifications(resourceAccess);
 }
 
 Notifier::Notifier(const QByteArray &instanceIdentifier) : Notifier(instanceIdentifier, ResourceConfig::getResourceType(instanceIdentifier))
 {
 }
 
 Notifier::Notifier(const Sink::Query &resourceQuery) : d(new Sink::Notifier::Private)
 {
     Sink::Log::Context resourceCtx{"notifier"};
     auto facade = FacadeFactory::instance().getFacade<ApplicationDomain::SinkResource>();
     Q_ASSERT(facade);
 
     auto result = facade->load(resourceQuery, resourceCtx);
     auto emitter = result.second;
     emitter->onAdded([=](const ApplicationDomain::SinkResource::Ptr &resource) {
         auto resourceAccess = Sink::ResourceAccessFactory::instance().getAccess(resource->identifier(), ResourceConfig::getResourceType(resource->identifier()));
         resourceAccess->open();
         d->listenForNotifications(resourceAccess);
     });
     emitter->onComplete([resourceCtx]() {
         SinkTraceCtx(resourceCtx) << "Resource query complete";
     });
     emitter->fetch();
     if (resourceQuery.liveQuery()) {
         d->mResourceEmitter = emitter;
     }
     result.first.exec();
 }
 
 void Notifier::registerHandler(std::function<void(const Notification &)> handler)
 {
     d->handler << handler;
 }