SipCallBase.java example

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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.Phone;

import android.net.sip.SipManager;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

abstract class SipCallBase extends Call {
    protected List<Connection> connections = new ArrayList<Connection>();

    protected abstract void setState(State newState);

    public List<Connection> getConnections() {
        // FIXME should return Collections.unmodifiableList();
        return connections;
    }

    public boolean isMultiparty() {
        return connections.size() > 1;
    }

    public String toString() {
        return state.toString() + ":" + super.toString();
    }

    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);
    }
}