/**
* Called when there is a change to the call list. Sets the In-Call state for the entire in-call
* app based on the information it gets from CallList. Dispatches the in-call state to all
* listeners. Can trigger the creation or destruction of the UI based on the states that is
* calculates.
*/
@Override
public void onCallListChange(CallList callList) {
if (callList == null) {
return;
}
InCallState newState = getPotentialStateFromCallList(callList);
newState = startOrFinishUi(newState);
// Renable notification shade and soft navigation buttons, if we are no longer in the
// incoming call screen
if (!newState.isIncoming()) {
if (mAccelerometerListener != null) {
mAccelerometerListener.enableSensor(false);
}
CallCommandClient.getInstance().setSystemBarNavigationEnabled(true);
}
// Set the new state before announcing it to the world
Log.i(this, "Phone switching state: " + mInCallState + " -> " + newState);
mInCallState = newState;
// notify listeners of new state
for (InCallStateListener listener : mListeners) {
Log.d(this, "Notify " + listener + " of state " + mInCallState.toString());
listener.onStateChange(mInCallState, callList);
}
if (isActivityStarted()) {
final boolean hasCall =
callList.getActiveOrBackgroundCall() != null || callList.getOutgoingCall() != null;
mInCallActivity.dismissKeyguard(hasCall);
}
}
/** Given the call list, return the state in which the in-call screen should be. */
public static InCallState getPotentialStateFromCallList(CallList callList) {
InCallState newState = InCallState.NO_CALLS;
if (callList == null) {
return newState;
}
if (callList.getIncomingCall() != null) {
newState = InCallState.INCOMING;
} else if (callList.getOutgoingCall() != null) {
newState = InCallState.OUTGOING;
} else if (callList.getActiveCall() != null
|| callList.getBackgroundCall() != null
|| callList.getDisconnectedCall() != null
|| callList.getDisconnectingCall() != null) {
newState = InCallState.INCALL;
}
return newState;
}
/** Hangs up any active or outgoing calls. */
public void hangUpOngoingCall(Context context) {
// By the time we receive this intent, we could be shut down and call list
// could be null. Bail in those cases.
if (mCallList == null) {
if (mStatusBarNotifier == null) {
// The In Call UI has crashed but the notification still stayed up. We should not
// come to this stage.
StatusBarNotifier.clearInCallNotification(context);
}
return;
}
Call call = mCallList.getOutgoingCall();
if (call == null) {
call = mCallList.getActiveOrBackgroundCall();
}
if (call != null) {
CallCommandClient.getInstance().disconnectCall(call.getCallId());
}
}