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
17package com.android.internal.telephony.sip;
18
19import com.android.internal.telephony.Call;
20import com.android.internal.telephony.Connection;
21import java.util.Iterator;
22import java.util.List;
23
24abstract class SipCallBase extends Call {
25
26    protected abstract void setState(State newState);
27
28    @Override
29    public List<Connection> getConnections() {
30        // FIXME should return Collections.unmodifiableList();
31        return mConnections;
32    }
33
34    @Override
35    public boolean isMultiparty() {
36        return mConnections.size() > 1;
37    }
38
39    @Override
40    public String toString() {
41        return mState.toString() + ":" + super.toString();
42    }
43
44    void clearDisconnected() {
45        for (Iterator<Connection> it = mConnections.iterator(); it.hasNext(); ) {
46            Connection c = it.next();
47            if (c.getState() == State.DISCONNECTED) it.remove();
48        }
49
50        if (mConnections.isEmpty()) setState(State.IDLE);
51    }
52}
53