/* package */
void resumeWaitingOrHolding() throws CallStateException {
if (DBG) log("resumeWaitingOrHolding");
try {
if (mForegroundCall.getState().isAlive()) {
// resume foreground call after holding background call
// they were switched before holding
ImsCall imsCall = mForegroundCall.getImsCall();
if (imsCall != null) imsCall.resume();
} else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) {
// accept waiting call after holding background call
ImsCall imsCall = mRingingCall.getImsCall();
if (imsCall != null) imsCall.accept(ImsCallProfile.CALL_TYPE_VOICE);
} else {
// Just resume background call.
// To distinguish resuming call with swapping calls
// we do not switch calls.here
// ImsPhoneConnection.update will chnage the parent when completed
ImsCall imsCall = mBackgroundCall.getImsCall();
if (imsCall != null) imsCall.resume();
}
} catch (ImsException e) {
throw new CallStateException(e.getMessage());
}
}
void conference() {
if (DBG) log("conference");
ImsCall fgImsCall = mForegroundCall.getImsCall();
if (fgImsCall == null) {
log("conference no foreground ims call");
return;
}
ImsCall bgImsCall = mBackgroundCall.getImsCall();
if (bgImsCall == null) {
log("conference no background ims call");
return;
}
// Keep track of the connect time of the earliest call so that it can be set on the
// {@code ImsConference} when it is created.
long conferenceConnectTime =
Math.min(
mForegroundCall.getEarliestConnectTime(), mBackgroundCall.getEarliestConnectTime());
ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection();
if (foregroundConnection != null) {
foregroundConnection.setConferenceConnectTime(conferenceConnectTime);
}
try {
fgImsCall.merge(bgImsCall);
} catch (ImsException e) {
log("conference " + e.getMessage());
}
}
void switchWaitingOrHoldingAndActive() throws CallStateException {
if (DBG) log("switchWaitingOrHoldingAndActive");
if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) {
throw new CallStateException("cannot be in the incoming state");
}
if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) {
ImsCall imsCall = mForegroundCall.getImsCall();
if (imsCall == null) {
throw new CallStateException("no ims call");
}
// Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls.
// If hold or resume later fails, we will swap them back.
mSwitchingFgAndBgCalls = true;
mCallExpectedToResume = mBackgroundCall.getImsCall();
mForegroundCall.switchWith(mBackgroundCall);
// Hold the foreground call; once the foreground call is held, the background call will
// be resumed.
try {
imsCall.hold();
} catch (ImsException e) {
mForegroundCall.switchWith(mBackgroundCall);
throw new CallStateException(e.getMessage());
}
} else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) {
resumeWaitingOrHolding();
}
}
/* 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();
}