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Possible one more performance increasing

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Lets try to use own QueuedConnection type instead of default
AutoConnection. To implement it we need to disconnect all default slots
and reconnect them with specified connection type
This commit is contained in:
Evgenii Alekseev 2016-08-18 20:16:05 +03:00
parent 8f6d9e7ab5
commit a9e3e3f087
2 changed files with 35 additions and 0 deletions
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34
sources/awesome-widget/plugin/awdataengineaggregator.cpp
View File

@ -17,6 +17,8 @@
#include "awdataengineaggregator.h"
#include <Plasma/DataContainer>
#include "awdebug.h"
#include "awkeys.h"
@ -25,6 +27,9 @@ AWDataEngineAggregator::AWDataEngineAggregator(QObject *parent)
: QObject(parent)
{
qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
// required to define Qt::QueuedConnection for signal-slot connection
qRegisterMetaType<Plasma::DataEngine::Data>("Plasma::DataEngine::Data");
}
@ -98,4 +103,33 @@ void AWDataEngineAggregator::reconnectSources(const int interval)
m_dataEngines[QString("extsysmon")]->connectAllSources(parent(), interval);
m_dataEngines[QString("time")]->connectSource(QString("Local"), parent(),
1000);
#ifdef BUILD_FUTURE
createQueuedConnection();
#endif /* BUILD_FUTURE */
}
void AWDataEngineAggregator::createQueuedConnection()
{
// HACK additional method which forces QueuedConnection instead of Auto one
// for more details refer to plasma-framework source code
for (auto dataEngine : m_dataEngines.keys()) {
// different source set for different engines
QStringList sources;
if (dataEngine == QString("time"))
sources.append(QString("Local"));
else
sources = m_dataEngines[dataEngine]->sources();
// reconnect sources
for (auto source : sources) {
Plasma::DataContainer *container =m_dataEngines[dataEngine]->containerForSource(source);
// disconnect old connections first
disconnect(container, SIGNAL(dataUpdated(QString,Plasma::DataEngine::Data)),
parent(), SLOT(dataUpdated(QString,Plasma::DataEngine::Data)));
// and now reconnect with Qt::QueuedConnection type
connect(container, SIGNAL(dataUpdated(QString,Plasma::DataEngine::Data)),
parent(), SLOT(dataUpdated(QString,Plasma::DataEngine::Data)), Qt::QueuedConnection);
}
}
}

1
sources/awesome-widget/plugin/awdataengineaggregator.h
View File

@ -44,6 +44,7 @@ public slots:
void reconnectSources(const int interval);
private:
void createQueuedConnection();
Plasma::DataEngineConsumer *m_consumer = nullptr;
QHash<QString, Plasma::DataEngine *> m_dataEngines;
};