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Merge pull request #6276 from sethalves/lazy-smi-init

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don't initialize SMI sdk unless we need it
This commit is contained in:
Brad Hefta-Gaub 2015-11-02 14:05:38 -08:00
commit 5a93516330
1 changed files with 18 additions and 12 deletions
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30
interface/src/devices/EyeTracker.cpp
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@ -118,18 +118,6 @@ void EyeTracker::init() {
qCWarning(interfaceapp) << "Eye Tracker: Already initialized";
return;
}
#ifdef HAVE_IVIEWHMD
int result = smi_setCallback(eyeTrackerCallback);
if (result != SMI_RET_SUCCESS) {
qCWarning(interfaceapp) << "Eye Tracker: Error setting callback:" << smiReturnValueToString(result);
QMessageBox::warning(nullptr, "Eye Tracker Error", smiReturnValueToString(result));
} else {
_isInitialized = true;
}
connect(&_startStreamingWatcher, SIGNAL(finished()), this, SLOT(onStreamStarted()));
#endif
}
#ifdef HAVE_IVIEWHMD
@ -140,6 +128,10 @@ int EyeTracker::startStreaming(bool simulate) {
#ifdef HAVE_IVIEWHMD
void EyeTracker::onStreamStarted() {
if (!_isInitialized) {
return;
}
int result = _startStreamingWatcher.result();
_isStreaming = (result == SMI_RET_SUCCESS);
@ -171,6 +163,20 @@ void EyeTracker::onStreamStarted() {
#endif
void EyeTracker::setEnabled(bool enabled, bool simulate) {
if (enabled && !_isInitialized) {
#ifdef HAVE_IVIEWHMD
int result = smi_setCallback(eyeTrackerCallback);
if (result != SMI_RET_SUCCESS) {
qCWarning(interfaceapp) << "Eye Tracker: Error setting callback:" << smiReturnValueToString(result);
QMessageBox::warning(nullptr, "Eye Tracker Error", smiReturnValueToString(result));
} else {
_isInitialized = true;
}
connect(&_startStreamingWatcher, SIGNAL(finished()), this, SLOT(onStreamStarted()));
#endif
}
if (!_isInitialized) {
return;
}