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https://github.com/swift-project/pilotclient.git
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46caf4640b
also built on top of the lower level API Compared to the scalar classes they support features specific to lists. This means they don't need to resend the whole list each time a value is appended.
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/* Copyright (C) 2017
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* swift Project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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//! \file
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#include "blackmisc/sharedstate/listobserver.h"
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#include "blackmisc/sharedstate/datalink.h"
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#include "blackmisc/variantlist.h"
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namespace BlackMisc
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{
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namespace SharedState
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{
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void CGenericListObserver::initialize(IDataLink *dataLink)
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{
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dataLink->subscribe(m_observer.data());
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m_watcher = dataLink->watcher();
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connect(m_watcher, &CDataLinkConnectionWatcher::connected, this, &CGenericListObserver::reconstruct);
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}
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void CGenericListObserver::setFilter(const CVariant &filter)
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{
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m_observer->setEventSubscription(filter);
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if (m_watcher && m_watcher->isConnected()) { reconstruct(); }
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}
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void CGenericListObserver::reconstruct()
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{
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m_observer->requestAsync(m_observer->eventSubscription(), [this](const CVariant &list)
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{
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QMutexLocker lock(&m_listMutex);
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m_list = list.to<CVariantList>();
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lock.unlock();
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onGenericElementsReplaced(allValues());
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});
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}
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CVariantList CGenericListObserver::allValues() const
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{
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QMutexLocker lock(&m_listMutex);
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return m_list;
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}
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int CGenericListObserver::cleanValues()
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{
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QMutexLocker lock(&m_listMutex);
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return m_list.removeIf([filter = m_observer->eventSubscription()](const CVariant &value)
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{
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return !value.matches(filter);
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});
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}
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void CGenericListObserver::handleEvent(const CVariant ¶m)
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{
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QMutexLocker lock(&m_listMutex);
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m_list.push_back(param);
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lock.unlock();
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onGenericElementAdded(param);
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}
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}
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}
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