cxIgstkToolManager.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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#include "cxIgstkToolManager.h"

#include "cxLogger.h"
#include "cxTypeConversions.h"

namespace cx
{

IgstkToolManager::IgstkToolManager(IgstkTracker::InternalStructure trackerStructure,
                                std::vector<IgstkTool::InternalStructure> toolStructures,
                                IgstkTool::InternalStructure referenceToolStructure) :
                                mInitAnsweres(0), mInternalInitialized(false)
{
        mTimer = 0;

        this->createTracker(trackerStructure);
        this->createTools(toolStructures, referenceToolStructure);
        this->setReferenceAndTrackerOnTools();

        connect(mTracker.get(), SIGNAL(tracking(bool)), this, SIGNAL(tracking(bool)));
        connect(mTracker.get(), SIGNAL(error()), this, SIGNAL(error()));

        connect(mTracker.get(), SIGNAL(initialized(bool)), this, SLOT(deviceInitializedSlot(bool)));
        connect(mTracker.get(), SIGNAL(tracking(bool)), this, SLOT(trackerTrackingSlot(bool)));

        mTimer = new QTimer();
        connect(mTimer, SIGNAL(timeout()), this, SLOT(checkTimeoutsAndRequestTransformSlot()));

        igstk::RealTimeClock::Initialize();

        //WARNING will this work when newing several pulsegenerators in different threads????
        mPulseGenerator = igstk::PulseGenerator::New();
        mPulseGenerator->RequestSetFrequency(30.0);
        mPulseGenerator->RequestStart();
}

IgstkToolManager::~IgstkToolManager()
{
        this->trackSlot(false);
        this->initializeSlot(false);

        mPulseGenerator->RequestStop();
}

std::map<QString, IgstkToolPtr> IgstkToolManager::getTools()
{
        QMutexLocker sentry(&mToolMutex);
        return mTools;
}

IgstkToolPtr IgstkToolManager::getRefereceTool()
{
        QMutexLocker sentry(&mReferenceMutex);
        return mReferenceTool;
}

void IgstkToolManager::setReferenceAndTrackerOnTools()
{
        if (!mReferenceTool)
        {
                reportWarning("Tracking is configured without a reference tool.");
        }

        std::map<QString, IgstkToolPtr>::iterator it;
        for (it = mTools.begin(); it != mTools.end(); ++it)
        {
                if (mReferenceTool)
                        it->second->setReference(mReferenceTool);
                if (mTracker)
                        it->second->setTracker(mTracker);
        }
}

void IgstkToolManager::createTracker(IgstkTracker::InternalStructure trackerStructure)
{
        TrackerPtr tracker(new IgstkTracker(trackerStructure));
        if (tracker->isValid())
                mTracker = tracker;
        else
                reportWarning("Invalid tracker.");
}

void IgstkToolManager::createTools(std::vector<IgstkTool::InternalStructure> toolStructures,
                                IgstkTool::InternalStructure referenceToolStructure)
{
        for (unsigned i = 0; i < toolStructures.size(); ++i)
        {
                this->addIgstkTools(toolStructures[i]);
        }
        if (!referenceToolStructure.mUid.isEmpty())
        {
                IgstkToolPtr refTool = this->addIgstkTools(referenceToolStructure);
                if (refTool->isValid())
                        mReferenceTool = refTool;
        }
}

IgstkToolPtr IgstkToolManager::addIgstkTools(IgstkTool::InternalStructure& toolStructure)
{
        IgstkToolPtr igstkTool(new IgstkTool(toolStructure));
        if (igstkTool->isValid())
        {
                QMutexLocker sentry(&mToolMutex);
                mTools[igstkTool->getUid()] = igstkTool;
                connect(igstkTool.get(), SIGNAL(attachedToTracker(bool)), this, SLOT(deviceInitializedSlot(bool)));
        }
        else
        {
                reportWarning(toolStructure.mUid + " is not valid.");
        }
        return igstkTool;
}

void IgstkToolManager::trackerTrackingSlot(bool isTracking)
{
        if (isTracking)
                mTimer->start(33);
        else
                mTimer->stop();
}

void IgstkToolManager::initializeSlot(bool on)
{
        if (on)
        {
                connect(mTracker.get(), SIGNAL(initialized(bool)), this, SLOT(attachToolsWhenTrackerIsInitializedSlot(bool)));
                if (!mTracker->isOpen())
                        mTracker->open();
        }
        else
        {
                mTracker->detachTools(mTools); //not sure we have to detach all tools before we close, read NDI manual
                if (mTracker->isOpen())
                        mTracker->close();
        }
}

void IgstkToolManager::trackSlot(bool on)
{
        if (on && !mTracker->isTracking())
                mTracker->startTracking();
        else if (!on && mTracker->isTracking())
                mTracker->stopTracking();
}

void IgstkToolManager::checkTimeoutsAndRequestTransformSlot()
{
        mPulseGenerator->CheckTimeouts();

        std::map<QString, IgstkToolPtr>::iterator it = mTools.begin();
        for (; it != mTools.end(); ++it)
        {
                if (!it->second)
                        continue;
                if (mReferenceTool)
                        it->second->getPointer()->RequestComputeTransformTo(mReferenceTool->getPointer());
                else
                        it->second->getPointer()->RequestComputeTransformTo(mTracker->getPointer());
        }
}

void IgstkToolManager::deviceInitializedSlot(bool deviceInit)
{
        int numberOfDevices = mTools.size() + 1; //+1 is the tracker

        if (deviceInit)
        {
                mInitAnsweres++;

                if (mInitAnsweres == numberOfDevices)
                {
                        mInternalInitialized = true;
                        emit initialized(true);
                }
        }
        else
        {
                mInitAnsweres--;

                if (mInitAnsweres < numberOfDevices)
                {
                        if (mInternalInitialized)
                        {
                                mInitAnsweres = 0;
                                mInternalInitialized = false;
                                emit initialized(false);
                        }
                }
        }
}

void IgstkToolManager::attachToolsWhenTrackerIsInitializedSlot(bool open)
{
        if (!open)
                return;

        disconnect(mTracker.get(), SIGNAL(initialized(bool)), this, SLOT(attachToolsWhenTrackerIsInitializedSlot(bool)));
        mTracker->attachTools(mTools);
}

void IgstkToolManager::printStatus()
{
        std::cout << "mInternalInitialized " << mInternalInitialized << std::endl;
        std::cout << "mInitAnsweres " << mInitAnsweres << std::endl;
        std::cout << "mTracker->isValid() " << mTracker->isValid() << std::endl;
        std::cout << "mTracker->isOpen() " << mTracker->isOpen() << std::endl;
        std::cout << "mTracker->isInitialized() " << mTracker->isInitialized() << std::endl;
        std::cout << "mTracker->isTracking() " << mTracker->isTracking() << std::endl;
        std::cout << "mTools.size() " << string_cast(mTools.size()) << std::endl;
}
}