/* 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());
}
}
/**
* Accepts a call with the specified video state. The video state is the video state that the user
* has agreed upon in the InCall UI.
*
* @param videoState The video State
* @throws CallStateException
*/
void acceptCall(int videoState) throws CallStateException {
if (DBG) log("acceptCall");
if (mForegroundCall.getState().isAlive() && mBackgroundCall.getState().isAlive()) {
throw new CallStateException("cannot accept call");
}
if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING)
&& mForegroundCall.getState().isAlive()) {
setMute(false);
switchWaitingOrHoldingAndActive();
} else if (mRingingCall.getState().isRinging()) {
if (DBG) log("acceptCall: incoming...");
// Always unmute when answering a new call
setMute(false);
try {
ImsCall imsCall = mRingingCall.getImsCall();
if (imsCall != null) {
imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState));
} else {
throw new CallStateException("no valid ims call");
}
} catch (ImsException e) {
throw new CallStateException("cannot accept call");
}
} else {
throw new CallStateException("phone not ringing");
}
}