static void queryNewDropContextData(DroppingContext* dropContext, GtkWidget* widget, guint time)
{
GdkDragContext* gdkContext = dropContext->gdkContext;
Vector<GdkAtom> acceptableTargets(PasteboardHelper::defaultPasteboardHelper()->dropAtomsForContext(widget, gdkContext));
dropContext->pendingDataRequests = acceptableTargets.size();
for (size_t i = 0; i < acceptableTargets.size(); i++)
gtk_drag_get_data(widget, gdkContext, acceptableTargets.at(i), time);
}
DataObjectGtk* DragAndDropHandler::requestDragData(GdkDragContext* context, const IntPoint& position, unsigned time)
{
std::unique_ptr<DroppingContext>& droppingContext = m_droppingContexts.add(context, nullptr).iterator->value;
if (!droppingContext) {
GtkWidget* widget = m_page.viewWidget();
droppingContext = std::make_unique<DroppingContext>(context, position);
Vector<GdkAtom> acceptableTargets(PasteboardHelper::defaultPasteboardHelper()->dropAtomsForContext(widget, droppingContext->gdkContext));
droppingContext->pendingDataRequests = acceptableTargets.size();
for (auto& target : acceptableTargets)
gtk_drag_get_data(widget, droppingContext->gdkContext, target, time);
} else
droppingContext->lastMotionPosition = position;
// Don't send any drag information to WebCore until we've retrieved all the data for this drag operation.
// Otherwise we'd have to block to wait for the drag's data.
if (droppingContext->pendingDataRequests > 0)
return nullptr;
return droppingContext->dataObject.get();
}
