Examples with GsmConnection com.android.internal.telephony.gsm.GsmConnection used on opensource projects

Example 6 with GsmConnection

use of com.android.internal.telephony.gsm.GsmConnection in project XobotOS by xamarin.

the class GsmCallTracker method handlePollCalls.

protected void handlePollCalls(AsyncResult ar) {
    List polledCalls;
    if (ar.exception == null) {
        polledCalls = (List) ar.result;
    } else if (isCommandExceptionRadioNotAvailable(ar.exception)) {
        // just a dummy empty ArrayList to cause the loop
        // to hang up all the calls
        polledCalls = new ArrayList();
    } else {
        // Radio probably wasn't ready--try again in a bit
        // But don't keep polling if the channel is closed
        pollCallsAfterDelay();
        return;
    }
    //or waiting
    Connection newRinging = null;
    // Any change besides
    boolean hasNonHangupStateChanged = false;
    // a dropped connection
    boolean needsPollDelay = false;
    boolean unknownConnectionAppeared = false;
    for (int i = 0, curDC = 0, dcSize = polledCalls.size(); i < connections.length; i++) {
        GsmConnection conn = connections[i];
        DriverCall dc = null;
        // polledCall list is sparse
        if (curDC < dcSize) {
            dc = (DriverCall) polledCalls.get(curDC);
            if (dc.index == i + 1) {
                curDC++;
            } else {
                dc = null;
            }
        }
        if (DBG_POLL)
            log("poll: conn[i=" + i + "]=" + conn + ", dc=" + dc);
        if (conn == null && dc != null) {
            // Connection appeared in CLCC response that we don't know about
            if (pendingMO != null && pendingMO.compareTo(dc)) {
                if (DBG_POLL)
                    log("poll: pendingMO=" + pendingMO);
                // It's our pending mobile originating call
                connections[i] = pendingMO;
                pendingMO.index = i;
                pendingMO.update(dc);
                pendingMO = null;
                // Someone has already asked to hangup this call
                if (hangupPendingMO) {
                    hangupPendingMO = false;
                    try {
                        if (Phone.DEBUG_PHONE)
                            log("poll: hangupPendingMO, hangup conn " + i);
                        hangup(connections[i]);
                    } catch (CallStateException ex) {
                        Log.e(LOG_TAG, "unexpected error on hangup");
                    }
                    // Wait for hangup and repoll
                    return;
                }
            } else {
                connections[i] = new GsmConnection(phone.getContext(), dc, this, i);
                // it's a ringing call
                if (connections[i].getCall() == ringingCall) {
                    newRinging = connections[i];
                } else {
                    // Something strange happened: a call appeared
                    // which is neither a ringing call or one we created.
                    // Either we've crashed and re-attached to an existing
                    // call, or something else (eg, SIM) initiated the call.
                    Log.i(LOG_TAG, "Phantom call appeared " + dc);
                    // it won't appear as a Missed Call.
                    if (dc.state != DriverCall.State.ALERTING && dc.state != DriverCall.State.DIALING) {
                        connections[i].connectTime = System.currentTimeMillis();
                    }
                    unknownConnectionAppeared = true;
                }
            }
            hasNonHangupStateChanged = true;
        } else if (conn != null && dc == null) {
            // Connection missing in CLCC response that we were
            // tracking.
            droppedDuringPoll.add(conn);
            // Dropped connections are removed from the CallTracker
            // list but kept in the GsmCall list
            connections[i] = null;
        } else if (conn != null && dc != null && !conn.compareTo(dc)) {
            // Connection in CLCC response does not match what
            // we were tracking. Assume dropped call and new call
            droppedDuringPoll.add(conn);
            connections[i] = new GsmConnection(phone.getContext(), dc, this, i);
            if (connections[i].getCall() == ringingCall) {
                newRinging = connections[i];
            }
            // else something strange happened
            hasNonHangupStateChanged = true;
        } else if (conn != null && dc != null) {
            /* implicit conn.compareTo(dc) */
            boolean changed;
            changed = conn.update(dc);
            hasNonHangupStateChanged = hasNonHangupStateChanged || changed;
        }
        if (REPEAT_POLLING) {
            if (dc != null) {
                // FIXME with RIL, we should not need this anymore
                if ((dc.state == DriverCall.State.DIALING) || (dc.state == DriverCall.State.ALERTING) || (dc.state == DriverCall.State.INCOMING) || (dc.state == DriverCall.State.WAITING)) {
                    // Sometimes there's no unsolicited notification
                    // for state transitions
                    needsPollDelay = true;
                }
            }
        }
    }
    // If it does not, we land here
    if (pendingMO != null) {
        Log.d(LOG_TAG, "Pending MO dropped before poll fg state:" + foregroundCall.getState());
        droppedDuringPoll.add(pendingMO);
        pendingMO = null;
        hangupPendingMO = false;
    }
    if (newRinging != null) {
        phone.notifyNewRingingConnection(newRinging);
    }
    // These cases need no "last call fail" reason
    for (int i = droppedDuringPoll.size() - 1; i >= 0; i--) {
        GsmConnection conn = droppedDuringPoll.get(i);
        if (conn.isIncoming() && conn.getConnectTime() == 0) {
            // Missed or rejected call
            Connection.DisconnectCause cause;
            if (conn.cause == Connection.DisconnectCause.LOCAL) {
                cause = Connection.DisconnectCause.INCOMING_REJECTED;
            } else {
                cause = Connection.DisconnectCause.INCOMING_MISSED;
            }
            if (Phone.DEBUG_PHONE) {
                log("missed/rejected call, conn.cause=" + conn.cause);
                log("setting cause to " + cause);
            }
            droppedDuringPoll.remove(i);
            conn.onDisconnect(cause);
        } else if (conn.cause == Connection.DisconnectCause.LOCAL) {
            // Local hangup
            droppedDuringPoll.remove(i);
            conn.onDisconnect(Connection.DisconnectCause.LOCAL);
        } else if (conn.cause == Connection.DisconnectCause.INVALID_NUMBER) {
            droppedDuringPoll.remove(i);
            conn.onDisconnect(Connection.DisconnectCause.INVALID_NUMBER);
        }
    }
    // Any non-local disconnects: determine cause
    if (droppedDuringPoll.size() > 0) {
        cm.getLastCallFailCause(obtainNoPollCompleteMessage(EVENT_GET_LAST_CALL_FAIL_CAUSE));
    }
    if (needsPollDelay) {
        pollCallsAfterDelay();
    }
    //    we may have switched or held or answered (but not hung up)
    if (newRinging != null || hasNonHangupStateChanged) {
        internalClearDisconnected();
    }
    updatePhoneState();
    if (unknownConnectionAppeared) {
        phone.notifyUnknownConnection();
    }
    if (hasNonHangupStateChanged || newRinging != null) {
        phone.notifyPreciseCallStateChanged();
    }
//dumpState();
}