Move QGeoPositionInfoSource to non-GUI thread

This commit is contained in:
Dan Paulat 2024-05-18 14:35:22 -05:00
parent f976e88359
commit 69309ca8e6

View file

@ -1,5 +1,6 @@
#include <scwx/qt/manager/position_manager.hpp>
#include <scwx/qt/manager/settings_manager.hpp>
#include <scwx/qt/manager/thread_manager.hpp>
#include <scwx/qt/settings/general_settings.hpp>
#include <scwx/qt/types/location_types.hpp>
#include <scwx/common/geographic.hpp>
@ -9,6 +10,7 @@
#include <set>
#include <boost/uuid/random_generator.hpp>
#include <QAbstractEventDispatcher>
#include <QGeoPositionInfoSource>
namespace scwx
@ -29,11 +31,13 @@ public:
{
auto& generalSettings = settings::GeneralSettings::Instance();
gpsParent_->moveToThread(gpsThread_);
logger_->debug(
"Available sources: {}",
QGeoPositionInfoSource::availableSources().join(", ").toStdString());
CreatePositionSource();
CreatePositionSourceAsync();
positioningPluginCallbackUuid_ =
generalSettings.positioning_plugin().RegisterValueChangedCallback(
@ -55,7 +59,7 @@ public:
{
if (createPositionSourcePending_)
{
CreatePositionSource();
CreatePositionSourceAsync();
}
});
}
@ -69,11 +73,16 @@ public:
nmeaBaudRateCallbackUuid_);
generalSettings.nmea_source().UnregisterValueChangedCallback(
nmeaSourceCallbackUuid_);
gpsParent_->deleteLater();
}
void CreatePositionSource();
void CreatePositionSourceAsync();
void EnablePositionUpdates(boost::uuids::uuid uuid, bool enabled);
PositionManager* self_;
QThread* gpsThread_ {ThreadManager::Instance().thread("position_manager")};
boost::uuids::uuid trackingUuid_;
bool trackingEnabled_ {false};
@ -82,6 +91,7 @@ public:
std::mutex positionSourceMutex_ {};
QObject* gpsParent_ {new QObject};
QGeoPositionInfoSource* geoPositionInfoSource_ {};
QGeoPositionInfo position_ {};
@ -110,6 +120,12 @@ bool PositionManager::IsLocationTracked()
return p->trackingEnabled_;
}
void PositionManager::Impl::CreatePositionSourceAsync()
{
QMetaObject::invokeMethod(QAbstractEventDispatcher::instance(gpsThread_),
[this]() { CreatePositionSource(); });
}
void PositionManager::Impl::CreatePositionSource()
{
auto& generalSettings = settings::GeneralSettings::Instance();
@ -132,7 +148,7 @@ void PositionManager::Impl::CreatePositionSource()
// TODO: macOS requires permission
if (positioningPlugin == types::PositioningPlugin::Default)
{
positionSource = QGeoPositionInfoSource::createDefaultSource(self_);
positionSource = QGeoPositionInfoSource::createDefaultSource(gpsParent_);
}
else if (positioningPlugin == types::PositioningPlugin::Nmea)
{
@ -141,7 +157,7 @@ void PositionManager::Impl::CreatePositionSource()
params["nmea.baudrate"] = static_cast<int>(nmeaBaudRate);
positionSource =
QGeoPositionInfoSource::createSource("nmea", params, self_);
QGeoPositionInfoSource::createSource("nmea", params, gpsParent_);
}
if (positionSource != nullptr)
@ -198,29 +214,37 @@ void PositionManager::Impl::CreatePositionSource()
void PositionManager::EnablePositionUpdates(boost::uuids::uuid uuid,
bool enabled)
{
std::unique_lock lock {p->positionSourceMutex_};
QMetaObject::invokeMethod(QAbstractEventDispatcher::instance(p->gpsThread_),
[=, this]()
{ p->EnablePositionUpdates(uuid, enabled); });
}
if (p->geoPositionInfoSource_ == nullptr)
void PositionManager::Impl::EnablePositionUpdates(boost::uuids::uuid uuid,
bool enabled)
{
std::unique_lock lock {positionSourceMutex_};
if (geoPositionInfoSource_ == nullptr)
{
return;
}
if (enabled)
{
if (p->uuids_.empty())
if (uuids_.empty())
{
p->geoPositionInfoSource_->startUpdates();
geoPositionInfoSource_->startUpdates();
}
p->uuids_.insert(uuid);
uuids_.insert(uuid);
}
else
{
p->uuids_.erase(uuid);
uuids_.erase(uuid);
if (p->uuids_.empty())
if (uuids_.empty())
{
p->geoPositionInfoSource_->stopUpdates();
geoPositionInfoSource_->stopUpdates();
}
}
}