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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.telephony.sip;
import com.android.internal.telephony.Call;
import com.android.internal.telephony.CallStateException;
import com.android.internal.telephony.Connection;
import com.android.internal.telephony.DriverCall;
import com.android.internal.telephony.Phone;
import android.net.sip.SipManager;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.sip.SipException;
abstract class SipCallBase extends Call {
private static final int MAX_CONNECTIONS_PER_CALL = 5;
protected List<Connection> connections = new ArrayList<Connection>();
protected abstract void setState(State newState);
public void dispose() {
}
public List<Connection> getConnections() {
// FIXME should return Collections.unmodifiableList();
return connections;
}
public boolean isMultiparty() {
return connections.size() > 1;
}
public String toString() {
return state.toString();
}
/**
* Called by SipConnection when it has disconnected
*/
void connectionDisconnected(Connection conn) {
if (state != State.DISCONNECTED) {
/* If only disconnected connections remain, we are disconnected*/
boolean hasOnlyDisconnectedConnections = true;
for (int i = 0, s = connections.size() ; i < s; i ++) {
if (connections.get(i).getState()
!= State.DISCONNECTED
) {
hasOnlyDisconnectedConnections = false;
break;
}
}
if (hasOnlyDisconnectedConnections) {
state = State.DISCONNECTED;
}
}
}
/*package*/ void detach(Connection conn) {
connections.remove(conn);
if (connections.size() == 0) {
state = State.IDLE;
}
}
/**
* @return true if there's no space in this call for additional
* connections to be added via "conference"
*/
/*package*/ boolean isFull() {
return connections.size() == MAX_CONNECTIONS_PER_CALL;
}
protected void clearDisconnected() {
for (Iterator<Connection> it = connections.iterator(); it.hasNext(); ) {
Connection c = it.next();
if (c.getState() == State.DISCONNECTED) it.remove();
}
if (connections.isEmpty()) setState(State.IDLE);
}
}
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