am 4567847d: Add "canDial" check. (ae2a4419) · Commits · e / os / android_frameworks_base

telephony/java/com/android/internal/telephony/CallManager.java

+30 −0

Original line number	Diff line number	Diff line
		@@ -695,6 +695,10 @@ public final class CallManager {
		Log.d(LOG_TAG, this.toString());
		}

		if (!canDial(phone)) {
		throw new CallStateException("cannot dial in current state");
		}

		if ( hasActiveFgCall() ) {
		Phone activePhone = getActiveFgCall().getPhone();
		boolean hasBgCall = !(activePhone.getBackgroundCall().isIdle());
		@@ -747,6 +751,32 @@ public final class CallManager {
		}
		}

		/**
		* Phone can make a call only if ALL of the following are true:
		* - Phone is not powered off
		* - There's no incoming or waiting call
		* - There's available call slot in either foreground or background
		* - The foreground call is ACTIVE or IDLE or DISCONNECTED.
		* (We mainly need to make sure it isn't DIALING or ALERTING.)
		* @param phone
		* @return true if the phone can make a new call
		*/
		private boolean canDial(Phone phone) {
		int serviceState = phone.getServiceState().getState();
		boolean hasRingingCall = hasActiveRingingCall();
		boolean hasActiveCall = hasActiveFgCall();
		boolean hasHoldingCall = hasActiveBgCall();
		boolean allLinesTaken = hasActiveCall && hasHoldingCall;
		Call.State fgCallState = getActiveFgCallState();

		return (serviceState != ServiceState.STATE_POWER_OFF
		&& !hasRingingCall
		&& !allLinesTaken
		&& ((fgCallState == Call.State.ACTIVE)
		\|\| (fgCallState == Call.State.IDLE)
		\|\| (fgCallState == Call.State.DISCONNECTED)));
		}

		/**
		* Whether or not the phone can do explicit call transfer in the current
		* phone state--that is, one call holding and one call active.