private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) {
if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause);
if (imsCall == null) return;
boolean changed = false;
ImsPhoneConnection conn = findConnection(imsCall);
if (conn == null) {
// TODO : what should be done?
return;
}
changed = conn.update(imsCall, state);
if (state == ImsPhoneCall.State.DISCONNECTED) {
changed = conn.onDisconnect(cause) || changed;
// detach the disconnected connections
conn.getCall().detach(conn);
removeConnection(conn);
}
if (changed) {
if (conn.getCall() == mHandoverCall) return;
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
}
}
void clearDisconnected() {
if (DBG) log("clearDisconnected");
internalClearDisconnected();
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
}
/* package */ void hangup(ImsPhoneCall call) throws CallStateException {
if (DBG) log("hangup call");
if (call.getConnections().size() == 0) {
throw new CallStateException("no connections");
}
ImsCall imsCall = call.getImsCall();
boolean rejectCall = false;
if (call == mRingingCall) {
if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming");
rejectCall = true;
} else if (call == mForegroundCall) {
if (call.isDialingOrAlerting()) {
if (Phone.DEBUG_PHONE) {
log("(foregnd) hangup dialing or alerting...");
}
} else {
if (Phone.DEBUG_PHONE) {
log("(foregnd) hangup foreground");
}
// held call will be resumed by onCallTerminated
}
} else if (call == mBackgroundCall) {
if (Phone.DEBUG_PHONE) {
log("(backgnd) hangup waiting or background");
}
} else {
throw new CallStateException(
"ImsPhoneCall " + call + "does not belong to ImsPhoneCallTracker " + this);
}
call.onHangupLocal();
try {
if (imsCall != null) {
if (rejectCall) imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE);
else imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED);
} else if (mPendingMO != null && call == mForegroundCall) {
// is holding a foreground call
mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED);
mPendingMO.onDisconnect();
removeConnection(mPendingMO);
mPendingMO = null;
updatePhoneState();
removeMessages(EVENT_DIAL_PENDINGMO);
}
} catch (ImsException e) {
throw new CallStateException(e.getMessage());
}
mPhone.notifyPreciseCallStateChanged();
}
@Override
public void onCallMerged(ImsCall call, boolean swapCalls) {
if (DBG) log("onCallMerged");
mForegroundCall.merge(mBackgroundCall, mForegroundCall.getState());
if (swapCalls) {
try {
switchWaitingOrHoldingAndActive();
} catch (CallStateException e) {
if (Phone.DEBUG_PHONE) {
loge("Failed swap fg and bg calls on merge exception=" + e);
}
}
}
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
}
@Override
public void handleMessage(Message msg) {
AsyncResult ar;
if (DBG) log("handleMessage what=" + msg.what);
switch (msg.what) {
case EVENT_HANGUP_PENDINGMO:
if (mPendingMO != null) {
mPendingMO.onDisconnect();
removeConnection(mPendingMO);
mPendingMO = null;
}
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
break;
case EVENT_RESUME_BACKGROUND:
try {
resumeWaitingOrHolding();
} catch (CallStateException e) {
if (Phone.DEBUG_PHONE) {
loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e);
}
}
break;
case EVENT_DIAL_PENDINGMO:
dialInternal(mPendingMO, mClirMode, VideoProfile.VideoState.AUDIO_ONLY);
break;
case EVENT_EXIT_ECM_RESPONSE_CDMA:
// no matter the result, we still do the same here
if (pendingCallInEcm) {
dialInternal(mPendingMO, pendingCallClirMode, pendingCallVideoState);
pendingCallInEcm = false;
}
mPhone.unsetOnEcbModeExitResponse(this);
break;
}
}
/** oirMode is one of the CLIR_ constants */
synchronized Connection dial(String dialString, int clirMode, int videoState)
throws CallStateException {
boolean isPhoneInEcmMode =
SystemProperties.getBoolean(TelephonyProperties.PROPERTY_INECM_MODE, false);
boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString);
if (DBG) log("dial clirMode=" + clirMode);
// note that this triggers call state changed notif
clearDisconnected();
if (mImsManager == null) {
throw new CallStateException("service not available");
}
if (!canDial()) {
throw new CallStateException("cannot dial in current state");
}
if (isPhoneInEcmMode && isEmergencyNumber) {
handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER);
}
boolean holdBeforeDial = false;
// The new call must be assigned to the foreground call.
// That call must be idle, so place anything that's
// there on hold
if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) {
if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) {
// we should have failed in !canDial() above before we get here
throw new CallStateException("cannot dial in current state");
}
// foreground call is empty for the newly dialed connection
holdBeforeDial = true;
switchWaitingOrHoldingAndActive();
}
ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE;
ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE;
mClirMode = clirMode;
synchronized (mSyncHold) {
if (holdBeforeDial) {
fgState = mForegroundCall.getState();
bgState = mBackgroundCall.getState();
// holding foreground call failed
if (fgState == ImsPhoneCall.State.ACTIVE) {
throw new CallStateException("cannot dial in current state");
}
// holding foreground call succeeded
if (bgState == ImsPhoneCall.State.HOLDING) {
holdBeforeDial = false;
}
}
mPendingMO =
new ImsPhoneConnection(
mPhone.getContext(), checkForTestEmergencyNumber(dialString), this, mForegroundCall);
}
addConnection(mPendingMO);
if (!holdBeforeDial) {
if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) {
dialInternal(mPendingMO, clirMode, videoState);
} else {
try {
getEcbmInterface().exitEmergencyCallbackMode();
} catch (ImsException e) {
e.printStackTrace();
throw new CallStateException("service not available");
}
mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null);
pendingCallClirMode = clirMode;
pendingCallVideoState = videoState;
pendingCallInEcm = true;
}
}
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
return mPendingMO;
}