10825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville/*
20825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Copyright (C) 2006 The Android Open Source Project
30825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville *
40825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Licensed under the Apache License, Version 2.0 (the "License");
50825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * you may not use this file except in compliance with the License.
60825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * You may obtain a copy of the License at
70825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville *
80825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville *      http://www.apache.org/licenses/LICENSE-2.0
90825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville *
100825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Unless required by applicable law or agreed to in writing, software
110825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * distributed under the License is distributed on an "AS IS" BASIS,
120825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
130825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * See the License for the specific language governing permissions and
140825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * limitations under the License.
150825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */
160825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
170825495a331bb44df395a0cdb79fab85e68db5d5Wink Savillepackage com.android.internal.telephony.gsm;
180825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
190825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.telephony.Call;
200825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.telephony.CallStateException;
210825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.telephony.Connection;
220825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.telephony.DriverCall;
230825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.telephony.Phone;
240825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
250825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport java.util.List;
260825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
270825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville/**
280825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * {@hide}
290825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */
300825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleclass GsmCall extends Call {
310825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*************************** Instance Variables **************************/
320825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
3322d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville    /*package*/ GsmCallTracker mOwner;
340825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
350825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
360825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /***************************** Class Methods *****************************/
370825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
380825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    static State
390825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    stateFromDCState (DriverCall.State dcState) {
400825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        switch (dcState) {
410825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            case ACTIVE:        return State.ACTIVE;
420825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            case HOLDING:       return State.HOLDING;
430825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            case DIALING:       return State.DIALING;
440825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            case ALERTING:      return State.ALERTING;
450825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            case INCOMING:      return State.INCOMING;
460825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            case WAITING:       return State.WAITING;
470825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            default:            throw new RuntimeException ("illegal call state:" + dcState);
480825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
490825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
500825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
510825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
520825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /****************************** Constructors *****************************/
530825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*package*/
540825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    GsmCall (GsmCallTracker owner) {
5522d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mOwner = owner;
560825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
570825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
580825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    public void dispose() {
590825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
600825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
610825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /************************** Overridden from Call *************************/
620825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
63cbaa45bbf2cab852b6c9c3a887e9f803d4e857eaWink Saville    @Override
640825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    public List<Connection>
650825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    getConnections() {
660825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        // FIXME should return Collections.unmodifiableList();
6722d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        return mConnections;
680825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
690825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
70cbaa45bbf2cab852b6c9c3a887e9f803d4e857eaWink Saville    @Override
710825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    public Phone
720825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    getPhone() {
7322d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        return mOwner.mPhone;
740825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
750825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
76cbaa45bbf2cab852b6c9c3a887e9f803d4e857eaWink Saville    @Override
770825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    public boolean
780825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    isMultiparty() {
7922d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        return mConnections.size() > 1;
800825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
810825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
820825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /** Please note: if this is the foreground call and a
830825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     *  background call exists, the background call will be resumed
840825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     *  because an AT+CHLD=1 will be sent
850825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     */
86cbaa45bbf2cab852b6c9c3a887e9f803d4e857eaWink Saville    @Override
870825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    public void
880825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    hangup() throws CallStateException {
8922d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mOwner.hangup(this);
900825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
910825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
92cbaa45bbf2cab852b6c9c3a887e9f803d4e857eaWink Saville    @Override
930825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    public String
940825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    toString() {
9522d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        return mState.toString();
960825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
970825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
980825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    //***** Called from GsmConnection
990825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1000825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*package*/ void
1010825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    attach(Connection conn, DriverCall dc) {
10222d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mConnections.add(conn);
1030825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
10422d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mState = stateFromDCState (dc.state);
1050825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
1060825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1070825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*package*/ void
1080825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    attachFake(Connection conn, State state) {
10922d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mConnections.add(conn);
1100825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
11122d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mState = state;
1120825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
1130825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1140825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /**
1150825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * Called by GsmConnection when it has disconnected
1160825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     */
117368e873b65e60268521b3c74110a9b2abe8086acDanny Baumann    boolean
1180825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    connectionDisconnected(GsmConnection conn) {
11922d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        if (mState != State.DISCONNECTED) {
1200825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            /* If only disconnected connections remain, we are disconnected*/
1210825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1220825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            boolean hasOnlyDisconnectedConnections = true;
1230825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
12422d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville            for (int i = 0, s = mConnections.size()  ; i < s; i ++) {
12522d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville                if (mConnections.get(i).getState()
1260825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville                    != State.DISCONNECTED
1270825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville                ) {
1280825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville                    hasOnlyDisconnectedConnections = false;
1290825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville                    break;
1300825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville                }
1310825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            }
1320825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1330825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            if (hasOnlyDisconnectedConnections) {
13422d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville                mState = State.DISCONNECTED;
135368e873b65e60268521b3c74110a9b2abe8086acDanny Baumann                return true;
1360825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            }
1370825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
1380825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
139368e873b65e60268521b3c74110a9b2abe8086acDanny Baumann        return false;
140368e873b65e60268521b3c74110a9b2abe8086acDanny Baumann    }
1410825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1420825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*package*/ void
1430825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    detach(GsmConnection conn) {
14422d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mConnections.remove(conn);
1450825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
14622d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        if (mConnections.size() == 0) {
14722d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville            mState = State.IDLE;
1480825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
1490825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
1500825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1510825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*package*/ boolean
1520825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    update (GsmConnection conn, DriverCall dc) {
1530825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        State newState;
1540825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        boolean changed = false;
1550825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1560825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        newState = stateFromDCState(dc.state);
1570825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
15822d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        if (newState != mState) {
15922d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville            mState = newState;
1600825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            changed = true;
1610825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
1620825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1630825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        return changed;
1640825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
1650825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1660825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /**
1670825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * @return true if there's no space in this call for additional
1680825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * connections to be added via "conference"
1690825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     */
1700825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /*package*/ boolean
1710825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    isFull() {
17222d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        return mConnections.size() == GsmCallTracker.MAX_CONNECTIONS_PER_CALL;
1730825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
1740825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1750825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    //***** Called from GsmCallTracker
1760825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1770825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1780825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /**
1790825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * Called when this Call is being hung up locally (eg, user pressed "end")
1800825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * Note that at this point, the hangup request has been dispatched to the radio
1810825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * but no response has yet been received so update() has not yet been called
1820825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     */
1830825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    void
1840825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    onHangupLocal() {
18522d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        for (int i = 0, s = mConnections.size()
1860825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville                ; i < s; i++
1870825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        ) {
18822d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville            GsmConnection cn = (GsmConnection)mConnections.get(i);
1890825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1900825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            cn.onHangupLocal();
1910825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
19222d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        mState = State.DISCONNECTING;
1930825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
1940825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
1950825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    /**
1960825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     * Called when it's time to clean up disconnected Connection objects
1970825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville     */
1980825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    void
1990825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    clearDisconnected() {
20022d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        for (int i = mConnections.size() - 1 ; i >= 0 ; i--) {
20122d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville            GsmConnection cn = (GsmConnection)mConnections.get(i);
2020825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
2030825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            if (cn.getState() == State.DISCONNECTED) {
20422d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville                mConnections.remove(i);
2050825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville            }
2060825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
2070825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
20822d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville        if (mConnections.size() == 0) {
20922d85a8e3a575a6d01d2c788587971657dfe20c6Wink Saville            mState = State.IDLE;
2100825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville        }
2110825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville    }
2120825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville}
2130825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville
214