1/*
2 * Copyright (C) 2016 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 */
16package com.android.bluetooth.hfpclient.connserv;
17
18import android.bluetooth.BluetoothDevice;
19import android.bluetooth.BluetoothHeadsetClient;
20import android.bluetooth.BluetoothHeadsetClientCall;
21import android.os.Bundle;
22import android.telecom.Conference;
23import android.telecom.Connection;
24import android.telecom.DisconnectCause;
25import android.telecom.PhoneAccountHandle;
26import android.util.Log;
27
28import java.util.List;
29import java.util.ArrayList;
30
31public class HfpClientConference extends Conference {
32    private static final String TAG = "HfpClientConference";
33
34    private BluetoothDevice mDevice;
35    private BluetoothHeadsetClient mHeadsetProfile;
36
37    public HfpClientConference(PhoneAccountHandle handle,
38            BluetoothDevice device, BluetoothHeadsetClient client) {
39        super(handle);
40        mDevice = device;
41        mHeadsetProfile = client;
42        boolean manage = HfpClientConnectionService.hasHfpClientEcc(client, device);
43        setConnectionCapabilities(Connection.CAPABILITY_SUPPORT_HOLD |
44                Connection.CAPABILITY_HOLD |
45                (manage ? Connection.CAPABILITY_MANAGE_CONFERENCE : 0));
46        setActive();
47    }
48
49    @Override
50    public void onDisconnect() {
51        Log.d(TAG, "onDisconnect");
52        mHeadsetProfile.terminateCall(mDevice, 0);
53        setDisconnected(new DisconnectCause(DisconnectCause.LOCAL));
54    }
55
56    @Override
57    public void onMerge(Connection connection) {
58        Log.d(TAG, "onMerge " + connection);
59        addConnection(connection);
60    }
61
62    @Override
63    public void onSeparate(Connection connection) {
64        Log.d(TAG, "onSeparate " + connection);
65        ((HfpClientConnection) connection).enterPrivateMode();
66        removeConnection(connection);
67    }
68
69    @Override
70    public void onHold() {
71        Log.d(TAG, "onHold");
72        mHeadsetProfile.holdCall(mDevice);
73    }
74
75    @Override
76    public void onUnhold() {
77        if (getPrimaryConnection().getConnectionService()
78                .getAllConnections().size() > 1) {
79            Log.w(TAG, "Ignoring unhold; call hold on the foreground call");
80            return;
81        }
82        Log.d(TAG, "onUnhold");
83        mHeadsetProfile.acceptCall(mDevice, BluetoothHeadsetClient.CALL_ACCEPT_HOLD);
84    }
85
86    @Override
87    public void onPlayDtmfTone(char c) {
88        Log.d(TAG, "onPlayDtmfTone " + c);
89        if (mHeadsetProfile != null) {
90            mHeadsetProfile.sendDTMF(mDevice, (byte) c);
91        }
92    }
93
94    @Override
95    public void onConnectionAdded(Connection connection) {
96        Log.d(TAG, "onConnectionAdded " + connection);
97        if (connection.getState() == Connection.STATE_HOLDING &&
98                getState() == Connection.STATE_ACTIVE) {
99            connection.onAnswer();
100        } else if (connection.getState() == Connection.STATE_ACTIVE &&
101                getState() == Connection.STATE_HOLDING) {
102            mHeadsetProfile.acceptCall(mDevice, BluetoothHeadsetClient.CALL_ACCEPT_NONE);
103        }
104    }
105}
106