@Override
public void separate() throws CallStateException {
synchronized (SipPhone.class) {
SipCall call =
(getPhone() == SipPhone.this)
? (SipCall) getBackgroundCall()
: (SipCall) getForegroundCall();
if (call.getState() != Call.State.IDLE) {
throw new CallStateException(
"cannot put conn back to a call in non-idle state: " + call.getState());
}
if (SCN_DBG)
log("separate: conn=" + mPeer.getUriString() + " from " + mOwner + " back to " + call);
// separate the AudioGroup and connection from the original call
Phone originalPhone = getPhone();
AudioGroup audioGroup = call.getAudioGroup(); // may be null
call.add(this);
mSipAudioCall.setAudioGroup(audioGroup);
// put the original call to bg; and the separated call becomes
// fg if it was in bg
originalPhone.switchHoldingAndActive();
// start audio and notify the phone app of the state change
call = (SipCall) getForegroundCall();
mSipAudioCall.startAudio();
call.onConnectionStateChanged(this);
}
}
@Override
public void onCallHeld(SipAudioCall call) {
onChanged(call);
// Race onChanged synchronized this isn't
if (mState == Call.State.HOLDING) call.startAudio();
}
@Override
public void onCallEstablished(SipAudioCall call) {
onChanged(call);
// Race onChanged synchronized this isn't
if (mState == Call.State.ACTIVE) call.startAudio();
}