/**
* Sends a native event a given Isolate.
*
* @param event A event to queued
* @param isolateId ID of the target Isolate
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_events_EventQueue_sendNativeEventToIsolate(void) {
MidpEvent event;
jint isolateId;
int noExceptions = 0;
MIDP_EVENT_INITIALIZE(event);
KNI_StartHandles(3);
KNI_DeclareHandle(eventObj);
KNI_DeclareHandle(stringObj);
KNI_DeclareHandle(classObj);
KNI_GetParameterAsObject(1, eventObj);
isolateId = KNI_GetParameterAsInt(2);
cacheEventFieldIDs(eventObj, classObj);
event.type = KNI_GetIntField(eventObj, typeFieldID);
event.intParam1 = KNI_GetIntField(eventObj, intParam1FieldID);
event.intParam2 = KNI_GetIntField(eventObj, intParam2FieldID);
event.intParam3 = KNI_GetIntField(eventObj, intParam3FieldID);
event.intParam4 = KNI_GetIntField(eventObj, intParam4FieldID);
event.intParam5 = KNI_GetIntField(eventObj, intParam5FieldID);
do {
GET_STRING_EVENT_FIELD(eventObj, stringParam1FieldID, stringObj,
event.stringParam1);
GET_STRING_EVENT_FIELD(eventObj, stringParam2FieldID, stringObj,
event.stringParam2);
GET_STRING_EVENT_FIELD(eventObj, stringParam3FieldID, stringObj,
event.stringParam3);
GET_STRING_EVENT_FIELD(eventObj, stringParam4FieldID, stringObj,
event.stringParam4);
GET_STRING_EVENT_FIELD(eventObj, stringParam5FieldID, stringObj,
event.stringParam5);
GET_STRING_EVENT_FIELD(eventObj, stringParam6FieldID, stringObj,
event.stringParam6);
noExceptions = 1;
} while (0);
KNI_EndHandles();
if (noExceptions) {
StoreMIDPEventInVmThread(event, isolateId);
} else {
freeMIDPEventFields(event);
}
KNI_ReturnVoid();
}
/**
* Reset an event queue.
*
* @param queueId ID of the queue to reset
*/
static void resetEventQueue(jint queueId) {
MidpEvent event;
if (NULL == gsEventQueues) {
return;
}
gsEventQueues[queueId].isMonitorBlocked = KNI_FALSE;
while (getPendingMIDPEvent(&event, queueId) != -1) {
freeMIDPEventFields(event);
}
}
/**
* Reset an event queue.
*
* @param handle handle of the event queue.
*/
static void resetEventQueue(int handle) {
MidpEvent event;
if (NULL == pEventQueues) {
return;
}
pEventQueues[handle].isMonitorBlocked = KNI_FALSE;
while (getPendingMIDPEvent(&event, handle) != -1) {
freeMIDPEventFields(event);
}
}
/**
* Reads a native event without blocking. Must be called from a KNI method.
*
* @param event The parameter is on the java stack,
* An empty event to be filled in if there is a queued
* event.
* @param queueId queue ID
* @return -1 for no event read or the number of events still pending after
* this event
*/
static int readNativeEventCommon(jint queueId) {
MidpEvent event;
int eventsPending;
eventsPending = getPendingMIDPEvent(&event, queueId);
if (eventsPending == -1) {
return eventsPending;
}
KNI_StartHandles(3);
KNI_DeclareHandle(eventObj);
KNI_DeclareHandle(stringObj);
KNI_DeclareHandle(classObj);
KNI_GetParameterAsObject(1, eventObj);
cacheEventFieldIDs(eventObj, classObj);
KNI_SetIntField(eventObj, typeFieldID, event.type);
KNI_SetIntField(eventObj, intParam1FieldID, event.intParam1);
KNI_SetIntField(eventObj, intParam2FieldID, event.intParam2);
KNI_SetIntField(eventObj, intParam3FieldID, event.intParam3);
KNI_SetIntField(eventObj, intParam4FieldID, event.intParam4);
KNI_SetIntField(eventObj, intParam5FieldID, event.intParam5);
SET_STRING_EVENT_FIELD(event.stringParam1, stringObj, eventObj,
stringParam1FieldID);
SET_STRING_EVENT_FIELD(event.stringParam2, stringObj, eventObj,
stringParam2FieldID);
SET_STRING_EVENT_FIELD(event.stringParam3, stringObj, eventObj,
stringParam3FieldID);
SET_STRING_EVENT_FIELD(event.stringParam4, stringObj, eventObj,
stringParam4FieldID);
SET_STRING_EVENT_FIELD(event.stringParam5, stringObj, eventObj,
stringParam5FieldID);
SET_STRING_EVENT_FIELD(event.stringParam6, stringObj, eventObj,
stringParam6FieldID);
freeMIDPEventFields(event);
KNI_EndHandles();
return eventsPending;
}
