/**
* Support repeated key presses for a platforms with no own support for it.
*
* One of the possible implementations is timer-based generation of MIDP
* events for a keys pressed and not released for a certain time interval.
*
* @param midpKeyCode MIDP keycode of the pressed/released key
* @param isPressed true if the key is pressed, false if released
*/
void handle_repeated_key_port(int midpKeyCode, jboolean isPressed) {
if (isPressed) {
jlong current_time = JVM_JavaMilliSeconds();
new_timer(current_time + REPEAT_TIMEOUT,
(void*)midpKeyCode, handle_repeat_key_timer_alarm);
} else {
delete_timer_by_userdata((void*)midpKeyCode);
}
}
/*
* This function is called by the VM periodically. It has to check if
* system has sent a signal to MIDP and return the result in the
* structs given.
*
* Values for the <timeout> paramater:
* >0 = Block until a signal sent to MIDP, or until <timeout> milliseconds
* has elapsed.
* 0 = Check the system for a signal but do not block. Return to the
* caller immediately regardless of the if a signal was sent.
* -1 = Do not timeout. Block until a signal is sent to MIDP.
*
* IMPL NOTE: this function now is definitely not highlevelui-only. Redesign is
* strongly recommended
*/
void checkForSystemSignal(MidpReentryData* pNewSignal,
MidpEvent* pNewMidpEvent, jlong timeout) {
jboolean pendingSignal = KNI_FALSE;
jlong currentTime = JVM_JavaMilliSeconds();
/* Pending event should be processed prior to other events */
pendingSignal = checkForPendingSignals(
pNewSignal, pNewMidpEvent, currentTime);
if (!pendingSignal) {
/* Adjust timeout regarding near timers */
adjustTimeout(currentTime, &timeout);
/* Call all registered signal checkers during timeout */
checkForAllSignals(pNewSignal, pNewMidpEvent, timeout);
}
}
/**
* Gets the current system time in milliseconds.
*
* @return The current system time in milliseconds
*/
jlong
midp_getCurrentTime(void) {
return JVM_JavaMilliSeconds();
}
