void InputService::processQueue(EventQueue& queue)
{
// Send events which are piled on queue so far
size_t numEvents = queue.size(); // TODO: Do we have to limit by numEvents?
while (!queue.empty())
{
EventEntry& e = queue.front();
EventId id = e.eventID;
Ref<InputEvent> evt = e.event;
queue.pop_front();
if (evt && evt->isConsumed())
continue;
EventChannel* channel = e.channel;
if (channel)
{
// If channel specified on post : Send to that channel
channel->send(id, evt);
continue;
}
// When channel not specified: broadcast upward from source channel
if (evt == NULL)
continue; // Can't handle event with no channel specified.
// 1. Broadcast to source channel
Ref<InputSource> source = evt->getSource();
if (source && source->hasChannel())
{
source->channel()->send(id, evt);
if (evt->isConsumed() || !evt->isUplinking())
continue;
}
// 2. Broadcast to device channel
Weak<InputDevice> device = evt->getDevice();
if (device && device->hasChannel())
{
device->channel()->send(id, evt);
if (evt->isConsumed() || !evt->isUplinking())
continue;
}
// 3. Broadcast to user channel
Ref<InputUser> user = evt->getUser();
if (user && user->hasChannel())
{
user->channel()->send(id, evt);
if (evt->isConsumed() || !evt->isUplinking())
continue;
}
// TODO: 4. Broadcast to service channel?
}
}
