1/*
2 * Copyright (C) 2013 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;
18
19import com.android.internal.telephony.ICallServiceAdapter;
20
21/**
22 * Service interface for services which would like to provide calls to be
23 * managed by the system in-call UI.
24 *
25 * This interface provides methods that the android framework can use to deliver commands
26 * for calls provided by this call service including making new calls and disconnecting
27 * existing ones. A binding to ICallService implementations exists for two conditions:
28 * 1) There exists one or more live calls for that call service,
29 * 2) Prior to an outbound call to test if this call service is compatible with the outgoing call.
30 */
31oneway interface ICallService {
32
33    /**
34     * Determines if the CallService can make calls to the handle.
35     * TODO(santoscordon): Move this method into its own service interface long term.
36     * TODO(santoscordon): Add response callback parameter.
37     */
38    void isCompatibleWith(String handle);
39
40    /**
41     * Attempts to call the relevant party using the specified handle, be it a phone number,
42     * SIP address, or some other kind of user ID.  Note that the set of handle types is
43     * dynamically extensible since call providers should be able to implement arbitrary
44     * handle-calling systems.  See {@link #isCompatibleWith}.
45     * TODO(santoscordon): Should this have a response attached to it to ensure that the call
46     * service actually plans to make the call?
47     */
48    void call(String handle);
49
50    /**
51     * Disconnects the call identified by callId.
52     */
53    void disconnect(String callId);
54
55    /**
56     * Sets an implementation of ICallServiceAdapter which the call service can use to add new calls
57     * and communicate state changes of existing calls. This is the first method that is called
58     * after a the framework binds to the call service.
59     */
60    void setCallServiceAdapter(ICallServiceAdapter callServiceAdapter);
61}
62