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.cdma; 18 19 import java.util.List; 20 21 import com.android.internal.telephony.Call; 22 import com.android.internal.telephony.CallStateException; 23 import com.android.internal.telephony.Connection; 24 import com.android.internal.telephony.DriverCall; 25 import com.android.internal.telephony.Phone; 26 27 /** 28 * {@hide} 29 */ 30 public final class CdmaCall extends Call { 31 /*************************** Instance Variables **************************/ 32 33 /*package*/ CdmaCallTracker mOwner; 34 35 /***************************** Class Methods *****************************/ 36 37 static State 38 stateFromDCState (DriverCall.State dcState) { 39 switch (dcState) { 40 case ACTIVE: return State.ACTIVE; 41 case HOLDING: return State.HOLDING; 42 case DIALING: return State.DIALING; 43 case ALERTING: return State.ALERTING; 44 case INCOMING: return State.INCOMING; 45 case WAITING: return State.WAITING; 46 default: throw new RuntimeException ("illegal call state:" + dcState); 47 } 48 } 49 50 51 /****************************** Constructors *****************************/ 52 /*package*/ 53 CdmaCall (CdmaCallTracker owner) { 54 mOwner = owner; 55 } 56 57 public void dispose() { 58 } 59 60 /************************** Overridden from Call *************************/ 61 @Override 62 public List<Connection> 63 getConnections() { 64 // FIXME should return Collections.unmodifiableList(); 65 return mConnections; 66 } 67 68 @Override 69 public Phone 70 getPhone() { 71 return mOwner.mPhone; 72 } 73 74 @Override 75 public boolean isMultiparty() { 76 return mConnections.size() > 1; 77 } 78 79 /** Please note: if this is the foreground call and a 80 * background call exists, the background call will be resumed 81 * because an AT+CHLD=1 will be sent 82 */ 83 @Override 84 public void 85 hangup() throws CallStateException { 86 mOwner.hangup(this); 87 } 88 89 @Override 90 public String 91 toString() { 92 return mState.toString(); 93 } 94 95 //***** Called from CdmaConnection 96 97 /*package*/ void 98 attach(Connection conn, DriverCall dc) { 99 mConnections.add(conn); 100 101 mState = stateFromDCState (dc.state); 102 } 103 104 /*package*/ void 105 attachFake(Connection conn, State state) { 106 mConnections.add(conn); 107 108 mState = state; 109 } 110 111 /** 112 * Called by CdmaConnection when it has disconnected 113 */ 114 void 115 connectionDisconnected(CdmaConnection conn) { 116 if (mState != State.DISCONNECTED) { 117 /* If only disconnected connections remain, we are disconnected*/ 118 119 boolean hasOnlyDisconnectedConnections = true; 120 121 for (int i = 0, s = mConnections.size() ; i < s; i ++) { 122 if (mConnections.get(i).getState() 123 != State.DISCONNECTED 124 ) { 125 hasOnlyDisconnectedConnections = false; 126 break; 127 } 128 } 129 130 if (hasOnlyDisconnectedConnections) { 131 mState = State.DISCONNECTED; 132 } 133 } 134 } 135 136 137 /*package*/ void 138 detach(CdmaConnection conn) { 139 mConnections.remove(conn); 140 141 if (mConnections.size() == 0) { 142 mState = State.IDLE; 143 } 144 } 145 146 /*package*/ boolean 147 update (CdmaConnection conn, DriverCall dc) { 148 State newState; 149 boolean changed = false; 150 151 newState = stateFromDCState(dc.state); 152 153 if (newState != mState) { 154 mState = newState; 155 changed = true; 156 } 157 158 return changed; 159 } 160 161 /** 162 * @return true if there's no space in this call for additional 163 * connections to be added via "conference" 164 */ 165 /*package*/ boolean 166 isFull() { 167 return mConnections.size() == CdmaCallTracker.MAX_CONNECTIONS_PER_CALL; 168 } 169 170 //***** Called from CdmaCallTracker 171 172 173 /** 174 * Called when this Call is being hung up locally (eg, user pressed "end") 175 * Note that at this point, the hangup request has been dispatched to the radio 176 * but no response has yet been received so update() has not yet been called 177 */ 178 void 179 onHangupLocal() { 180 for (int i = 0, s = mConnections.size(); i < s; i++) { 181 CdmaConnection cn = (CdmaConnection)mConnections.get(i); 182 183 cn.onHangupLocal(); 184 } 185 mState = State.DISCONNECTING; 186 } 187 188 /** 189 * Called when it's time to clean up disconnected Connection objects 190 */ 191 void clearDisconnected() { 192 for (int i = mConnections.size() - 1 ; i >= 0 ; i--) { 193 CdmaConnection cn = (CdmaConnection)mConnections.get(i); 194 195 if (cn.getState() == State.DISCONNECTED) { 196 mConnections.remove(i); 197 } 198 } 199 200 if (mConnections.size() == 0) { 201 mState = State.IDLE; 202 } 203 } 204 } 205
