void
EventInputQueue::BlockUntilKeyUpHander::blockingTimeOut_timer_callback(OSObject* owner, IOTimerEventSource* sender)
{
endBlocking();
setIgnoreToAllPressingEvents();
setTimer();
}
bool EventInputQueue::BlockUntilKeyUpHander::doBlockUntilKeyUp(void) {
Item* front = static_cast<Item*>(queue_.safe_front());
if (!front) return true;
// Ignore events enqueued from blockedQueue_.
if (front->enqueuedFrom == Item::ENQUEUED_FROM_BLOCKEDQUEUE) return true;
// Ignore events that are not down/up events.
// (For example, mouse cursor move events.)
bool iskeydown = false;
if (!(front->getParamsBase()).iskeydown(iskeydown)) return true;
// ----------------------------------------
// Modify pressingEvents_.
//
// Remove existing events.
{
PressingEvent* p = static_cast<PressingEvent*>(pressingEvents_.safe_front());
for (;;) {
if (!p) break;
if ((p->getFromEvent()).isTargetDownEvent(front->getParamsBase()) ||
(p->getFromEvent()).isTargetUpEvent(front->getParamsBase())) {
p = static_cast<PressingEvent*>(pressingEvents_.erase_and_delete(p));
} else {
p = static_cast<PressingEvent*>(p->getnext());
}
}
}
// Add to list.
if (iskeydown) {
pressingEvents_.push_back(new PressingEvent(front->getParamsBase()));
}
// ----------------------------------------
// Test whether pressingEvents_ are a target event of BlockUntilKeyUp.
//
for (PressingEvent* p = static_cast<PressingEvent*>(pressingEvents_.safe_front()); p; p = static_cast<PressingEvent*>(p->getnext())) {
if (p->ignore()) continue;
if (RemapClassManager::isTargetEventForBlockUntilKeyUp(p->getParamsBase())) {
goto needToBlock;
}
}
// If current event is target event, we need to block it.
if (RemapClassManager::isTargetEventForBlockUntilKeyUp(front->getParamsBase())) {
goto needToBlock;
}
endBlocking();
return true;
needToBlock:
// Set timeout at first.
{
int timeout = Config::get_essential_config(BRIDGE_ESSENTIAL_CONFIG_INDEX_parameter_blockuntilkeyup_timeout);
blockingTimeOut_timer_.setTimeoutMS(timeout);
}
// When <autogen>__BlockUntilKeyUp__ KeyCode::SPACE</autogen> is enabled:
//
// Case 1:
// * Space down
// * T down
// * T up <- up event and event != Space
//
// => Enqueue "Space down, T down, T up".
//
// Note:
// If there is an orphan key up event,
// user is typing fast and we should change key events order in Case 2.
// So, we keep blocking.
//
// * M down
// * Space down (start blocking)
// * M up (orphan key up event)
// * T down
// * T up
//
// Case 2:
// * Space down
// * T down
// * Space up <- up event and event == Space
//
// => Move "Space up" after "Space down".
// Then, Enqueue "Space down, Space up, T down".
//
if (!iskeydown && RemapClassManager::isTargetEventForBlockUntilKeyUp(front->getParamsBase())) {
// Case2
// Do not call setIgnoreToAllPressingEvents here.
//
// We do not need to call that here because front->p_ is already removed from pressingEvents_.
// And if multiple __BlockUntilKeyUp__ are enabled,
// setIgnoreToAllPressingEvents breaks other __BlockUntilKeyUp__.
// Move up event after down event.
FromEvent fromEvent(front->getParamsBase());
for (Item* p = static_cast<Item*>(blockedQueue_.safe_back()); p; p = static_cast<Item*>(p->getprev())) {
if (fromEvent.isTargetDownEvent(p->getParamsBase())) {
if (p->getnext()) {
blockedQueue_.insert(p->getnext(), new Item(*front));
} else {
blockedQueue_.push_back(new Item(*front));
}
goto endBlocking;
}
}
// corresponded event is not found.
blockedQueue_.push_front(new Item(*front));
goto endBlocking;
} else if (!iskeydown &&
!isOrphanKeyUpEventExistsInBlockedQueue() &&
isTargetDownEventInBlockedQueue(*front)) {
// Case 1
setIgnoreToAllPressingEvents();
blockedQueue_.push_back(new Item(*front));
goto endBlocking;
}
blockedQueue_.push_back(new Item(*front));
queue_.pop_front();
// Do not call doFire.
return false;
endBlocking:
queue_.pop_front();
endBlocking();
return true;
}