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      1 /*
      2  * Copyright (C) 2006 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.internal.telephony;
     18 
     19 import android.telephony.Rlog;
     20 import java.lang.Comparable;
     21 import android.telephony.PhoneNumberUtils;
     22 
     23 /**
     24  * {@hide}
     25  */
     26 public class DriverCall implements Comparable<DriverCall> {
     27     static final String LOG_TAG = "DriverCall";
     28 
     29     public enum State {
     30         ACTIVE,
     31         HOLDING,
     32         DIALING,    // MO call only
     33         ALERTING,   // MO call only
     34         INCOMING,   // MT call only
     35         WAITING;    // MT call only
     36         // If you add a state, make sure to look for the switch()
     37         // statements that use this enum
     38     }
     39 
     40     public int index;
     41     public boolean isMT;
     42     public State state;     // May be null if unavail
     43     public boolean isMpty;
     44     public String number;
     45     public int TOA;
     46     public boolean isVoice;
     47     public boolean isVoicePrivacy;
     48     public int als;
     49     public int numberPresentation;
     50     public String name;
     51     public int namePresentation;
     52     public UUSInfo uusInfo;
     53 
     54     /** returns null on error */
     55     static DriverCall
     56     fromCLCCLine(String line) {
     57         DriverCall ret = new DriverCall();
     58 
     59         //+CLCC: 1,0,2,0,0,\"+18005551212\",145
     60         //     index,isMT,state,mode,isMpty(,number,TOA)?
     61         ATResponseParser p = new ATResponseParser(line);
     62 
     63         try {
     64             ret.index = p.nextInt();
     65             ret.isMT = p.nextBoolean();
     66             ret.state = stateFromCLCC(p.nextInt());
     67 
     68             ret.isVoice = (0 == p.nextInt());
     69             ret.isMpty = p.nextBoolean();
     70 
     71             // use ALLOWED as default presentation while parsing CLCC
     72             ret.numberPresentation = PhoneConstants.PRESENTATION_ALLOWED;
     73 
     74             if (p.hasMore()) {
     75                 // Some lame implementations return strings
     76                 // like "NOT AVAILABLE" in the CLCC line
     77                 ret.number = PhoneNumberUtils.extractNetworkPortionAlt(p.nextString());
     78 
     79                 if (ret.number.length() == 0) {
     80                     ret.number = null;
     81                 }
     82 
     83                 ret.TOA = p.nextInt();
     84 
     85                 // Make sure there's a leading + on addresses with a TOA
     86                 // of 145
     87 
     88                 ret.number = PhoneNumberUtils.stringFromStringAndTOA(
     89                                 ret.number, ret.TOA);
     90 
     91             }
     92         } catch (ATParseEx ex) {
     93             Rlog.e(LOG_TAG,"Invalid CLCC line: '" + line + "'");
     94             return null;
     95         }
     96 
     97         return ret;
     98     }
     99 
    100     public
    101     DriverCall() {
    102     }
    103 
    104     @Override
    105     public String
    106     toString() {
    107         return "id=" + index + ","
    108                 + state + ","
    109                 + "toa=" + TOA + ","
    110                 + (isMpty ? "conf" : "norm") + ","
    111                 + (isMT ? "mt" : "mo") + ","
    112                 + als + ","
    113                 + (isVoice ? "voc" : "nonvoc") + ","
    114                 + (isVoicePrivacy ? "evp" : "noevp") + ","
    115                 /*+ "number=" + number */ + ",cli=" + numberPresentation + ","
    116                 /*+ "name="+ name */ + "," + namePresentation;
    117     }
    118 
    119     public static State
    120     stateFromCLCC(int state) throws ATParseEx {
    121         switch(state) {
    122             case 0: return State.ACTIVE;
    123             case 1: return State.HOLDING;
    124             case 2: return State.DIALING;
    125             case 3: return State.ALERTING;
    126             case 4: return State.INCOMING;
    127             case 5: return State.WAITING;
    128             default:
    129                 throw new ATParseEx("illegal call state " + state);
    130         }
    131     }
    132 
    133     public static int
    134     presentationFromCLIP(int cli) throws ATParseEx
    135     {
    136         switch(cli) {
    137             case 0: return PhoneConstants.PRESENTATION_ALLOWED;
    138             case 1: return PhoneConstants.PRESENTATION_RESTRICTED;
    139             case 2: return PhoneConstants.PRESENTATION_UNKNOWN;
    140             case 3: return PhoneConstants.PRESENTATION_PAYPHONE;
    141             default:
    142                 throw new ATParseEx("illegal presentation " + cli);
    143         }
    144     }
    145 
    146     //***** Comparable Implementation
    147 
    148     /** For sorting by index */
    149     @Override
    150     public int
    151     compareTo(DriverCall dc) {
    152 
    153         if (index < dc.index) {
    154             return -1;
    155         } else if (index == dc.index) {
    156             return 0;
    157         } else { /*index > dc.index*/
    158             return 1;
    159         }
    160     }
    161 }
    162