double OverlayViewOperationHandler::setZoomLevel(double zoomLevel)
{
if (zoomLevel > getZoomLevel()){
// Currently, we only use magnetic zoom when zooming in.
m_lastProjectionEvent = MapProjectionListener::UNKNOWN;
return MapLibOperationHandler::setZoomLevel(zoomLevel);
}
if(!m_view->automaticHighlightEnabled() || !m_view->hasValidClosestItem()) {
return MapLibOperationHandler::setZoomLevel(zoomLevel);
} else {
if (!m_lastActionWasZoomRelated)
{
m_view->updateClosestItemPoint();
}
WFAPI::WGS84Coordinate coord = m_view->getClosestItemCoord();
WFAPI::ScreenPoint oldPoint = m_view->getClosestItemPoint();
double ret = MapLibOperationHandler::setZoomLevel(zoomLevel);
MapLibOperationHandler::setPoint(coord, oldPoint);
return ret;
}
}
void GSVWrapper::processQueue()
{
if (requestQueue.isEmpty()) {
qDebug() << "GSVWrapper::processQueue(): requestQueue is empty";
return;
} else {
qDebug() << "GSVWrapper::processQueue()";
printRequests(); // Debug
}
foreach(QSharedPointer<Request> req, requestQueue) {
switch (req->state()) {
case Request::Unready:
req->setState(Request::Running);
switch (req->type()) {
case Request::Pano: {
qDebug() << "Requesting panorama" << req->lat << req->lng;
if (req->getMetadata() != 0) {
// Metadata is already fetched
QVector2D v = getZoomLevel(req->zoomLevel);
qDebug() << QString("Zoomlevel %1 max x = %2 and max y = %3").arg(req->zoomLevel).arg(v.x()).arg(v.y());
// Here is tile logic
for (int x = 0; x < v.x(); x++) {
for (int y = 0; y < v.y(); y++) {
QImage tile = filehandler.getTile(req->getMetadata()->lat.toDouble(),
req->getMetadata()->lng.toDouble(),
x, y, req->zoomLevel);
if (tile.isNull()) { // Must get tile from network
networkhandler.getTile(req->id,
req->getMetadata()->pano_id,
req->zoomLevel,
x, y, req->priority);
} else { // Tile found from cache
// Save tile to current panorama
Tile *t = new Tile(x, y, req->zoomLevel, tile);
req->getPanorama()->addTile(*t);
emit tileReady(tile, req->lat, req->lng, x, y, req->zoomLevel);
}
}
}
} else { // Panorama request, but must fetch first metadata
qDebug() << "Get metadata first for" << req->id;
getMeta(req);
}
}
break;
case Request::Meta:
qDebug() << "Requesting metafield" << req->fieldName;
networkhandler.getMeta(req->id, req->lat, req->lng);
break;
default:
qDebug() << "GSVWrapper::handleMetadata: Error: Unkown request type";
break;
}
break;
case Request::Running:
break;
case Request::Ready:
break;
default:
qDebug() << "Unknown request state";
break;
}
}
removeReadyRequests();
}
