fireOrganicClick method
Simulates an organic recommendation click, with the publisher's URL.
When FeedPlacement.onOrganicClick is null, the real widget falls back
to opening organicUrl in an external browser instead of dropping the
tap — mirrored here via organicClickFallbackCount rather than
organicClickCallCount, since nothing was delivered to a callback.
Implementation
void fireOrganicClick(Uri organicUrl) {
if (widget.onOrganicClick == null) {
organicClickFallbackCount++;
return;
}
organicClickCallCount++;
widget.onOrganicClick!(organicUrl);
}