/* package */ void hangup(GsmCall call) throws CallStateException {
if (call.getConnections().size() == 0) {
throw new CallStateException("no connections in call");
}
if (call == ringingCall) {
if (Phone.DEBUG_PHONE) log("(ringing) hangup waiting or background");
cm.hangupWaitingOrBackground(obtainCompleteMessage());
} else if (call == foregroundCall) {
if (call.isDialingOrAlerting()) {
if (Phone.DEBUG_PHONE) {
log("(foregnd) hangup dialing or alerting...");
}
hangup((GsmConnection) (call.getConnections().get(0)));
} else {
hangupForegroundResumeBackground();
}
} else if (call == backgroundCall) {
if (ringingCall.isRinging()) {
if (Phone.DEBUG_PHONE) {
log("hangup all conns in background call");
}
hangupAllConnections(call);
} else {
hangupWaitingOrBackground();
}
} else {
throw new RuntimeException("GsmCall " + call + "does not belong to GsmCallTracker " + this);
}
call.onHangupLocal();
phone.notifyPreciseCallStateChanged();
}
/** clirMode is one of the CLIR_ constants */
synchronized Connection dial(String dialString, int clirMode, UUSInfo uusInfo)
throws CallStateException {
// note that this triggers call state changed notif
clearDisconnected();
if (!canDial()) {
throw new CallStateException("cannot dial in current state");
}
// The new call must be assigned to the foreground call.
// That call must be idle, so place anything that's
// there on hold
if (foregroundCall.getState() == GsmCall.State.ACTIVE) {
// this will probably be done by the radio anyway
// but the dial might fail before this happens
// and we need to make sure the foreground call is clear
// for the newly dialed connection
switchWaitingOrHoldingAndActive();
// Fake local state so that
// a) foregroundCall is empty for the newly dialed connection
// b) hasNonHangupStateChanged remains false in the
// next poll, so that we don't clear a failed dialing call
fakeHoldForegroundBeforeDial();
}
if (foregroundCall.getState() != GsmCall.State.IDLE) {
// we should have failed in !canDial() above before we get here
throw new CallStateException("cannot dial in current state");
}
pendingMO =
new GsmConnection(
phone.getContext(), checkForTestEmergencyNumber(dialString), this, foregroundCall);
hangupPendingMO = false;
if (pendingMO.address == null
|| pendingMO.address.length() == 0
|| pendingMO.address.indexOf(PhoneNumberUtils.WILD) >= 0) {
// Phone number is invalid
pendingMO.cause = Connection.DisconnectCause.INVALID_NUMBER;
// handlePollCalls() will notice this call not present
// and will mark it as dropped.
pollCallsWhenSafe();
} else {
// Always unmute when initiating a new call
setMute(false);
cm.dial(pendingMO.address, clirMode, uusInfo, obtainCompleteMessage());
}
updatePhoneState();
phone.notifyPreciseCallStateChanged();
return pendingMO;
}
boolean canDial() {
boolean ret;
int serviceState = phone.getServiceState().getState();
String disableCall = SystemProperties.get(TelephonyProperties.PROPERTY_DISABLE_CALL, "false");
ret =
(serviceState != ServiceState.STATE_POWER_OFF)
&& pendingMO == null
&& !ringingCall.isRinging()
&& !disableCall.equals("true")
&& (!foregroundCall.getState().isAlive() || !backgroundCall.getState().isAlive());
return ret;
}
void switchWaitingOrHoldingAndActive() throws CallStateException {
// Should we bother with this check?
if (ringingCall.getState() == GsmCall.State.INCOMING) {
throw new CallStateException("cannot be in the incoming state");
} else {
cm.switchWaitingOrHoldingAndActive(obtainCompleteMessage(EVENT_SWITCH_RESULT));
}
}
void acceptCall() throws CallStateException {
// FIXME if SWITCH fails, should retry with ANSWER
// in case the active/holding call disappeared and this
// is no longer call waiting
if (ringingCall.getState() == GsmCall.State.INCOMING) {
Rlog.i("phone", "acceptCall: incoming...");
// Always unmute when answering a new call
setMute(false);
cm.acceptCall(obtainCompleteMessage());
} else if (ringingCall.getState() == GsmCall.State.WAITING) {
setMute(false);
switchWaitingOrHoldingAndActive();
} else {
throw new CallStateException("phone not ringing");
}
}
void rejectCall() throws CallStateException {
// AT+CHLD=0 means "release held or UDUB"
// so if the phone isn't ringing, this could hang up held
if (ringingCall.getState().isRinging()) {
cm.rejectCall(obtainCompleteMessage());
} else {
throw new CallStateException("phone not ringing");
}
}
private void updatePhoneState() {
PhoneConstants.State oldState = state;
if (ringingCall.isRinging()) {
state = PhoneConstants.State.RINGING;
} else if (pendingMO != null || !(foregroundCall.isIdle() && backgroundCall.isIdle())) {
state = PhoneConstants.State.OFFHOOK;
} else {
state = PhoneConstants.State.IDLE;
}
if (state == PhoneConstants.State.IDLE && oldState != state) {
voiceCallEndedRegistrants.notifyRegistrants(new AsyncResult(null, null, null));
} else if (oldState == PhoneConstants.State.IDLE && oldState != state) {
voiceCallStartedRegistrants.notifyRegistrants(new AsyncResult(null, null, null));
}
if (state != oldState) {
phone.notifyPhoneStateChanged();
}
}
private void dumpState() {
List l;
Rlog.i(LOG_TAG, "Phone State:" + state);
Rlog.i(LOG_TAG, "Ringing call: " + ringingCall.toString());
l = ringingCall.getConnections();
for (int i = 0, s = l.size(); i < s; i++) {
Rlog.i(LOG_TAG, l.get(i).toString());
}
Rlog.i(LOG_TAG, "Foreground call: " + foregroundCall.toString());
l = foregroundCall.getConnections();
for (int i = 0, s = l.size(); i < s; i++) {
Rlog.i(LOG_TAG, l.get(i).toString());
}
Rlog.i(LOG_TAG, "Background call: " + backgroundCall.toString());
l = backgroundCall.getConnections();
for (int i = 0, s = l.size(); i < s; i++) {
Rlog.i(LOG_TAG, l.get(i).toString());
}
}
private boolean handleCallWaitingIncallSupplementaryService(String dialString)
throws CallStateException {
int len = dialString.length();
if (len > 2) {
return false;
}
GsmCall call = (GsmCall) getForegroundCall();
try {
if (len > 1) {
char ch = dialString.charAt(1);
int callIndex = ch - '0';
if (callIndex >= 1 && callIndex <= GsmCallTracker.MAX_CONNECTIONS) {
if (LOCAL_DEBUG) Log.d(LOG_TAG, "MmiCode 1: hangupConnectionByIndex " + callIndex);
mCT.hangupConnectionByIndex(call, callIndex);
}
} else {
if (call.getState() != GsmCall.State.IDLE) {
if (LOCAL_DEBUG) Log.d(LOG_TAG, "MmiCode 1: hangup foreground");
// mCT.hangupForegroundResumeBackground();
mCT.hangup(call);
} else {
if (LOCAL_DEBUG) Log.d(LOG_TAG, "MmiCode 1: switchWaitingOrHoldingAndActive");
mCT.switchWaitingOrHoldingAndActive();
}
}
} catch (CallStateException e) {
if (LOCAL_DEBUG) Log.d(LOG_TAG, "hangup failed", e);
notifySuppServiceFailed(Phone.SuppService.HANGUP);
}
return true;
}
protected synchronized void handlePollCalls(AsyncResult ar) {
List polledCalls;
if (ar.exception == null) {
polledCalls = (List) ar.result;
} else if (isCommandExceptionRadioNotAvailable(ar.exception)) {
// just a dummy empty ArrayList to cause the loop
// to hang up all the calls
polledCalls = new ArrayList();
} else {
// Radio probably wasn't ready--try again in a bit
// But don't keep polling if the channel is closed
pollCallsAfterDelay();
return;
}
Connection newRinging = null; // or waiting
boolean hasNonHangupStateChanged = false; // Any change besides
// a dropped connection
boolean needsPollDelay = false;
boolean unknownConnectionAppeared = false;
for (int i = 0, curDC = 0, dcSize = polledCalls.size(); i < connections.length; i++) {
GsmConnection conn = connections[i];
DriverCall dc = null;
// polledCall list is sparse
if (curDC < dcSize) {
dc = (DriverCall) polledCalls.get(curDC);
if (dc.index == i + 1) {
curDC++;
} else {
dc = null;
}
}
if (DBG_POLL) log("poll: conn[i=" + i + "]=" + conn + ", dc=" + dc);
if (conn == null && dc != null) {
// Connection appeared in CLCC response that we don't know about
if (pendingMO != null && pendingMO.compareTo(dc)) {
if (DBG_POLL) log("poll: pendingMO=" + pendingMO);
// It's our pending mobile originating call
connections[i] = pendingMO;
pendingMO.index = i;
pendingMO.update(dc);
pendingMO = null;
// Someone has already asked to hangup this call
if (hangupPendingMO) {
hangupPendingMO = false;
try {
if (Phone.DEBUG_PHONE) log("poll: hangupPendingMO, hangup conn " + i);
hangup(connections[i]);
} catch (CallStateException ex) {
Rlog.e(LOG_TAG, "unexpected error on hangup");
}
// Do not continue processing this poll
// Wait for hangup and repoll
return;
}
} else {
connections[i] = new GsmConnection(phone.getContext(), dc, this, i);
// it's a ringing call
if (connections[i].getCall() == ringingCall) {
newRinging = connections[i];
} else {
// Something strange happened: a call appeared
// which is neither a ringing call or one we created.
// Either we've crashed and re-attached to an existing
// call, or something else (eg, SIM) initiated the call.
Rlog.i(LOG_TAG, "Phantom call appeared " + dc);
// If it's a connected call, set the connect time so that
// it's non-zero. It may not be accurate, but at least
// it won't appear as a Missed Call.
if (dc.state != DriverCall.State.ALERTING && dc.state != DriverCall.State.DIALING) {
connections[i].onConnectedInOrOut();
if (dc.state == DriverCall.State.HOLDING) {
// We've transitioned into HOLDING
connections[i].onStartedHolding();
}
}
unknownConnectionAppeared = true;
}
}
hasNonHangupStateChanged = true;
} else if (conn != null && dc == null) {
// Connection missing in CLCC response that we were
// tracking.
droppedDuringPoll.add(conn);
// Dropped connections are removed from the CallTracker
// list but kept in the GsmCall list
connections[i] = null;
} else if (conn != null && dc != null && !conn.compareTo(dc)) {
// Connection in CLCC response does not match what
// we were tracking. Assume dropped call and new call
droppedDuringPoll.add(conn);
connections[i] = new GsmConnection(phone.getContext(), dc, this, i);
if (connections[i].getCall() == ringingCall) {
newRinging = connections[i];
} // else something strange happened
hasNonHangupStateChanged = true;
} else if (conn != null && dc != null) {
/* implicit conn.compareTo(dc) */
boolean changed;
changed = conn.update(dc);
hasNonHangupStateChanged = hasNonHangupStateChanged || changed;
}
if (REPEAT_POLLING) {
if (dc != null) {
// FIXME with RIL, we should not need this anymore
if ((dc.state == DriverCall.State.DIALING
/*&& cm.getOption(cm.OPTION_POLL_DIALING)*/ )
|| (dc.state == DriverCall.State.ALERTING
/*&& cm.getOption(cm.OPTION_POLL_ALERTING)*/ )
|| (dc.state == DriverCall.State.INCOMING
/*&& cm.getOption(cm.OPTION_POLL_INCOMING)*/ )
|| (dc.state == DriverCall.State.WAITING
/*&& cm.getOption(cm.OPTION_POLL_WAITING)*/ )) {
// Sometimes there's no unsolicited notification
// for state transitions
needsPollDelay = true;
}
}
}
}
// This is the first poll after an ATD.
// We expect the pending call to appear in the list
// If it does not, we land here
if (pendingMO != null) {
Rlog.d(LOG_TAG, "Pending MO dropped before poll fg state:" + foregroundCall.getState());
droppedDuringPoll.add(pendingMO);
pendingMO = null;
hangupPendingMO = false;
}
if (newRinging != null) {
phone.notifyNewRingingConnection(newRinging);
}
// clear the "local hangup" and "missed/rejected call"
// cases from the "dropped during poll" list
// These cases need no "last call fail" reason
for (int i = droppedDuringPoll.size() - 1; i >= 0; i--) {
GsmConnection conn = droppedDuringPoll.get(i);
if (conn.isIncoming() && conn.getConnectTime() == 0) {
// Missed or rejected call
Connection.DisconnectCause cause;
if (conn.cause == Connection.DisconnectCause.LOCAL) {
cause = Connection.DisconnectCause.INCOMING_REJECTED;
} else {
cause = Connection.DisconnectCause.INCOMING_MISSED;
}
if (Phone.DEBUG_PHONE) {
log("missed/rejected call, conn.cause=" + conn.cause);
log("setting cause to " + cause);
}
droppedDuringPoll.remove(i);
conn.onDisconnect(cause);
} else if (conn.cause == Connection.DisconnectCause.LOCAL) {
// Local hangup
droppedDuringPoll.remove(i);
conn.onDisconnect(Connection.DisconnectCause.LOCAL);
} else if (conn.cause == Connection.DisconnectCause.INVALID_NUMBER) {
droppedDuringPoll.remove(i);
conn.onDisconnect(Connection.DisconnectCause.INVALID_NUMBER);
}
}
// Any non-local disconnects: determine cause
if (droppedDuringPoll.size() > 0) {
cm.getLastCallFailCause(obtainNoPollCompleteMessage(EVENT_GET_LAST_CALL_FAIL_CAUSE));
}
if (needsPollDelay) {
pollCallsAfterDelay();
}
// Cases when we can no longer keep disconnected Connection's
// with their previous calls
// 1) the phone has started to ring
// 2) A Call/Connection object has changed state...
// we may have switched or held or answered (but not hung up)
if (newRinging != null || hasNonHangupStateChanged) {
internalClearDisconnected();
}
updatePhoneState();
if (unknownConnectionAppeared) {
phone.notifyUnknownConnection();
}
if (hasNonHangupStateChanged || newRinging != null) {
phone.notifyPreciseCallStateChanged();
}
// dumpState();
}
private void internalClearDisconnected() {
ringingCall.clearDisconnected();
foregroundCall.clearDisconnected();
backgroundCall.clearDisconnected();
}
boolean canTransfer() {
return foregroundCall.getState() == GsmCall.State.ACTIVE
&& backgroundCall.getState() == GsmCall.State.HOLDING;
}
boolean canConference() {
return foregroundCall.getState() == GsmCall.State.ACTIVE
&& backgroundCall.getState() == GsmCall.State.HOLDING
&& !backgroundCall.isFull()
&& !foregroundCall.isFull();
}