/**
* Posts the specified command to be executed on the main thread, waits for the request to
* complete, and returns the result.
*
* @see sendRequestAsync
*/
private Object sendRequest(int command, Object argument) {
if (Looper.myLooper() == mMainThreadHandler.getLooper()) {
throw new RuntimeException("This method will deadlock if called from the main thread.");
}
MainThreadRequest request = new MainThreadRequest(argument);
Message msg = mMainThreadHandler.obtainMessage(command, request);
msg.sendToTarget();
// Wait for the request to complete
synchronized (request) {
while (request.result == null) {
try {
request.wait();
} catch (InterruptedException e) {
// Do nothing, go back and wait until the request is complete
}
}
}
return request.result;
}
@Override
public void handleMessage(Message msg) {
MainThreadRequest request;
Message onCompleted;
AsyncResult ar;
switch (msg.what) {
case CMD_HANDLE_PIN_MMI:
request = (MainThreadRequest) msg.obj;
request.result = Boolean.valueOf(mPhone.handlePinMmi((String) request.argument));
// Wake up the requesting thread
synchronized (request) {
request.notifyAll();
}
break;
case CMD_HANDLE_NEIGHBORING_CELL:
request = (MainThreadRequest) msg.obj;
onCompleted = obtainMessage(EVENT_NEIGHBORING_CELL_DONE, request);
mPhone.getNeighboringCids(onCompleted);
break;
case EVENT_NEIGHBORING_CELL_DONE:
ar = (AsyncResult) msg.obj;
request = (MainThreadRequest) ar.userObj;
if (ar.exception == null && ar.result != null) {
request.result = ar.result;
} else {
// create an empty list to notify the waiting thread
request.result = new ArrayList<NeighboringCellInfo>();
}
// Wake up the requesting thread
synchronized (request) {
request.notifyAll();
}
break;
case CMD_ANSWER_RINGING_CALL:
answerRingingCallInternal();
break;
case CMD_SILENCE_RINGER:
silenceRingerInternal();
break;
case CMD_END_CALL:
request = (MainThreadRequest) msg.obj;
boolean hungUp = false;
int phoneType = mPhone.getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
// CDMA: If the user presses the Power button we treat it as
// ending the complete call session
hungUp = PhoneUtils.hangupRingingAndActive(mPhone);
} else if (phoneType == Phone.PHONE_TYPE_GSM) {
// GSM: End all calls except waiting
hungUp = PhoneUtils.hangupAllCalls(mPhone);
} else {
throw new IllegalStateException("Unexpected phone type: " + phoneType);
}
if (DBG) log("CMD_END_CALL: " + (hungUp ? "hung up!" : "no call to hang up"));
request.result = hungUp;
// Wake up the requesting thread
synchronized (request) {
request.notifyAll();
}
break;
case CMD_INVOKE_OEM_RIL_REQUEST:
request = (MainThreadRequest) msg.obj;
onCompleted = obtainMessage(EVENT_INVOKE_OEM_RIL_REQUEST, request);
mPhone.invokeOemRilRequestRaw((byte[]) request.argument, onCompleted);
break;
case EVENT_INVOKE_OEM_RIL_REQUEST:
ar = (AsyncResult) msg.obj;
request = (MainThreadRequest) ar.userObj;
request.result = ar;
// Wake up the requesting thread
synchronized (request) {
request.notifyAll();
}
break;
case EVENT_UNSOL_OEM_HOOK_EXT_APP:
ar = (AsyncResult) msg.obj;
broadcastUnsolOemHookIntent((byte[]) (ar.result));
break;
case CMD_SET_TRANSMIT_POWER:
request = (MainThreadRequest) msg.obj;
onCompleted = obtainMessage(EVENT_SET_TRANSMIT_POWER_DONE, request);
mPhone.setTransmitPower((Integer) request.argument, onCompleted);
break;
case EVENT_SET_TRANSMIT_POWER_DONE:
boolean retStatus = false;
ar = (AsyncResult) msg.obj;
request = (MainThreadRequest) ar.userObj;
if (ar.exception == null) {
retStatus = true;
}
request.result = retStatus;
// Wake up the requesting thread
synchronized (request) {
request.notifyAll();
}
break;
default:
Log.w(LOG_TAG, "MainThreadHandler: unexpected message code: " + msg.what);
break;
}
}