1 /* 2 * Copyright (C) 2010 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.sip; 18 19 import com.android.internal.telephony.Call; 20 import com.android.internal.telephony.CallStateException; 21 import com.android.internal.telephony.Connection; 22 import com.android.internal.telephony.Phone; 23 24 import android.net.sip.SipManager; 25 import java.util.ArrayList; 26 import java.util.Iterator; 27 import java.util.List; 28 29 abstract class SipCallBase extends Call { 30 protected List<Connection> connections = new ArrayList<Connection>(); 31 32 protected abstract void setState(State newState); 33 34 public List<Connection> getConnections() { 35 // FIXME should return Collections.unmodifiableList(); 36 return connections; 37 } 38 39 public boolean isMultiparty() { 40 return connections.size() > 1; 41 } 42 43 public String toString() { 44 return state.toString() + ":" + super.toString(); 45 } 46 47 void clearDisconnected() { 48 for (Iterator<Connection> it = connections.iterator(); it.hasNext(); ) { 49 Connection c = it.next(); 50 if (c.getState() == State.DISCONNECTED) it.remove(); 51 } 52 53 if (connections.isEmpty()) setState(State.IDLE); 54 } 55 } 56