void Geolocation::startRequest(GeoNotifier* notifier) {
recordOriginTypeAccess();
String errorMessage;
if (!frame()->settings()->allowGeolocationOnInsecureOrigins() &&
!getExecutionContext()->isSecureContext(errorMessage)) {
notifier->setFatalError(
PositionError::create(PositionError::kPermissionDenied, errorMessage));
return;
}
// Check whether permissions have already been denied. Note that if this is
// the case, the permission state can not change again in the lifetime of
// this page.
if (isDenied())
notifier->setFatalError(PositionError::create(
PositionError::kPermissionDenied, permissionDeniedErrorMessage));
else if (haveSuitableCachedPosition(notifier->options()))
notifier->setUseCachedPosition();
else if (!notifier->options().timeout())
notifier->startTimer();
else if (!isAllowed()) {
// If we don't yet have permission, request for permission before calling
// startUpdating()
m_pendingForPermissionNotifiers.add(notifier);
requestPermission();
} else {
startUpdating(notifier);
notifier->startTimer();
}
}
void Geolocation::getCurrentPosition(PositionCallback* successCallback, PositionErrorCallback* errorCallback, const PositionOptions& options)
{
if (!frame())
return;
recordOriginTypeAccess();
GeoNotifier* notifier = GeoNotifier::create(this, successCallback, errorCallback, options);
startRequest(notifier);
m_oneShots.add(notifier);
}
int Geolocation::watchPosition(PositionCallback* successCallback, PositionErrorCallback* errorCallback, const PositionOptions& options)
{
if (!frame())
return 0;
recordOriginTypeAccess();
GeoNotifier* notifier = GeoNotifier::create(this, successCallback, errorCallback, options);
startRequest(notifier);
int watchID;
// Keep asking for the next id until we're given one that we don't already have.
do {
watchID = executionContext()->circularSequentialID();
} while (!m_watchers.add(watchID, notifier));
return watchID;
}
void Geolocation::startRequest(GeoNotifier *notifier)
{
recordOriginTypeAccess();
String errorMessage;
if (!frame()->settings()->allowGeolocationOnInsecureOrigins() && !executionContext()->isSecureContext(errorMessage)) {
notifier->setFatalError(PositionError::create(PositionError::POSITION_UNAVAILABLE, errorMessage));
return;
}
if (RuntimeEnabledFeatures::restrictIFramePermissionsEnabled()) {
// TODO(keenanb): kill the request if the parent is blocking the requester
Element* owner = document()->ownerElement();
if (owner && owner->hasAttribute(HTMLNames::permissionsAttr)) {
String errorMessage = "A cross-origin iframe needs its permissions attribute properly set in order to use the geolocation API.";
notifier->setFatalError(PositionError::create(PositionError::POSITION_UNAVAILABLE, errorMessage));
return;
}
}
// Check whether permissions have already been denied. Note that if this is the case,
// the permission state can not change again in the lifetime of this page.
if (isDenied())
notifier->setFatalError(PositionError::create(PositionError::PERMISSION_DENIED, permissionDeniedErrorMessage));
else if (haveSuitableCachedPosition(notifier->options()))
notifier->setUseCachedPosition();
else if (!notifier->options().timeout())
notifier->startTimer();
else if (!isAllowed()) {
// if we don't yet have permission, request for permission before calling startUpdating()
m_pendingForPermissionNotifiers.add(notifier);
requestPermission();
} else if (startUpdating(notifier))
notifier->startTimer();
else
notifier->setFatalError(PositionError::create(PositionError::POSITION_UNAVAILABLE, failedToStartServiceErrorMessage));
}
