Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 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 | |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 17 | package com.android.telecomm; |
| 18 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 19 | import android.content.Context; |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 20 | import android.telecomm.CallState; |
| 21 | import android.text.TextUtils; |
| 22 | import android.util.Log; |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 23 | |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 24 | import com.android.telecomm.exceptions.RestrictedCallException; |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 25 | import com.google.common.base.Preconditions; |
| 26 | import com.google.common.base.Strings; |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 27 | import com.google.common.collect.Lists; |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 28 | import com.google.common.collect.Maps; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 29 | |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 30 | import java.util.List; |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 31 | import java.util.Map; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 32 | |
Ben Gilad | dd8c608 | 2013-12-30 14:44:08 -0800 | [diff] [blame] | 33 | /** |
| 34 | * Singleton. |
| 35 | * |
| 36 | * NOTE(gilad): by design most APIs are package private, use the relevant adapter/s to allow |
| 37 | * access from other packages specifically refraining from passing the CallsManager instance |
| 38 | * beyond the com.android.telecomm package boundary. |
| 39 | */ |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 40 | public final class CallsManager { |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 41 | private static final String TAG = CallsManager.class.getSimpleName(); |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 42 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 43 | private static final CallsManager INSTANCE = new CallsManager(); |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 44 | |
Santos Cordon | e3d76ab | 2014-01-28 17:25:20 -0800 | [diff] [blame] | 45 | private final Switchboard mSwitchboard; |
| 46 | |
| 47 | /** Used to control the in-call app. */ |
| 48 | private final InCallController mInCallController; |
| 49 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 50 | /** |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 51 | * The main call repository. Keeps an instance of all live calls keyed by call ID. New incoming |
| 52 | * and outgoing calls are added to the map and removed when the calls move to the disconnected |
| 53 | * state. |
| 54 | * TODO(santoscordon): Add new CallId class and use it in place of String. |
| 55 | */ |
| 56 | private final Map<String, Call> mCalls = Maps.newHashMap(); |
| 57 | |
| 58 | /** |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 59 | * May be unnecessary per off-line discussions (between santoscordon and gilad) since the set |
| 60 | * of CallsManager APIs that need to be exposed to the dialer (or any application firing call |
| 61 | * intents) may be empty. |
| 62 | */ |
| 63 | private DialerAdapter mDialerAdapter; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 64 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 65 | private InCallAdapter mInCallAdapter; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 66 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 67 | private CallLogManager mCallLogManager; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 68 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 69 | private VoicemailManager mVoicemailManager; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 70 | |
Ben Gilad | 8bdaa46 | 2014-02-05 12:53:19 -0800 | [diff] [blame] | 71 | private List<OutgoingCallValidator> mOutgoingCallValidators = Lists.newArrayList(); |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 72 | |
Ben Gilad | 8bdaa46 | 2014-02-05 12:53:19 -0800 | [diff] [blame] | 73 | private List<IncomingCallValidator> mIncomingCallValidators = Lists.newArrayList(); |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 74 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 75 | static CallsManager getInstance() { |
| 76 | return INSTANCE; |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 77 | } |
| 78 | |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 79 | /** |
Ben Gilad | 8bdaa46 | 2014-02-05 12:53:19 -0800 | [diff] [blame] | 80 | * Initializes the required Telecomm components. |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 81 | */ |
| 82 | private CallsManager() { |
| 83 | mSwitchboard = new Switchboard(); |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 84 | mInCallController = new InCallController(); |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Attempts to issue/connect the specified call. From an (arbitrary) application standpoint, |
| 89 | * all that is required to initiate this flow is to fire either of the CALL, CALL_PRIVILEGED, |
| 90 | * and CALL_EMERGENCY intents. These are listened to by CallActivity.java which then invokes |
| 91 | * this method. |
| 92 | * |
| 93 | * @param handle The handle to dial. |
| 94 | * @param contactInfo Information about the entity being called. |
| 95 | * @param context The application context. |
| 96 | */ |
| 97 | void processOutgoingCallIntent(String handle, ContactInfo contactInfo, Context context) |
Ben Gilad | 8bdaa46 | 2014-02-05 12:53:19 -0800 | [diff] [blame] | 98 | throws RestrictedCallException { |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 99 | |
Ben Gilad | 8bdaa46 | 2014-02-05 12:53:19 -0800 | [diff] [blame] | 100 | for (OutgoingCallValidator validator : mOutgoingCallValidators) { |
| 101 | validator.validate(handle, contactInfo); |
Santos Cordon | 8e8b8d2 | 2013-12-19 14:14:05 -0800 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | // No objection to issue the call, proceed with trying to put it through. |
| 105 | mSwitchboard.placeOutgoingCall(handle, contactInfo, context); |
| 106 | } |
Santos Cordon | e3d76ab | 2014-01-28 17:25:20 -0800 | [diff] [blame] | 107 | |
| 108 | /** |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 109 | * Adds a new outgoing call to the list of live calls and notifies the in-call app. |
| 110 | * |
| 111 | * @param call The new outgoing call. |
| 112 | */ |
| 113 | void handleSuccessfulOutgoingCall(Call call) { |
| 114 | // OutgoingCallProcessor sets the call state to DIALING when it receives confirmation of the |
| 115 | // placed call from the call service so there is no need to set it here. Instead, check that |
| 116 | // the state is appropriate. |
| 117 | Preconditions.checkState(call.getState() == CallState.DIALING); |
| 118 | |
| 119 | addCall(call); |
Santos Cordon | 049b7b6 | 2014-01-30 05:34:26 -0800 | [diff] [blame^] | 120 | |
| 121 | mInCallController.addCall(call.toCallInfo()); |
| 122 | } |
| 123 | |
| 124 | /* |
| 125 | * Sends all the live calls to the in-call app if any exist. If there are no live calls, then |
| 126 | * tells the in-call controller to unbind since it is not needed. |
| 127 | */ |
| 128 | void updateInCall() { |
| 129 | if (mCalls.isEmpty()) { |
| 130 | mInCallController.unbind(); |
| 131 | return; |
| 132 | } |
| 133 | |
| 134 | for (Call call : mCalls.values()) { |
| 135 | mInCallController.addCall(call.toCallInfo()); |
| 136 | } |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | /** |
Santos Cordon | e3d76ab | 2014-01-28 17:25:20 -0800 | [diff] [blame] | 140 | * Instructs Telecomm to answer the specified call. Intended to be invoked by the in-call |
| 141 | * app through {@link InCallAdapter} after Telecomm notifies it of an incoming call followed by |
| 142 | * the user opting to answer said call. |
| 143 | * |
| 144 | * @param callId The ID of the call. |
| 145 | */ |
| 146 | void answerCall(String callId) { |
| 147 | // TODO(santoscordon): fill in and check that it is in the ringing state. |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Instructs Telecomm to reject the specified call. Intended to be invoked by the in-call |
| 152 | * app through {@link InCallAdapter} after Telecomm notifies it of an incoming call followed by |
| 153 | * the user opting to reject said call. |
| 154 | * |
| 155 | * @param callId The ID of the call. |
| 156 | */ |
| 157 | void rejectCall(String callId) { |
| 158 | // TODO(santoscordon): fill in and check that it is in the ringing state. |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Instructs Telecomm to disconnect the specified call. Intended to be invoked by the |
| 163 | * in-call app through {@link InCallAdapter} for an ongoing call. This is usually triggered by |
| 164 | * the user hitting the end-call button. |
| 165 | * |
| 166 | * @param callId The ID of the call. |
| 167 | */ |
| 168 | void disconnectCall(String callId) { |
Santos Cordon | 049b7b6 | 2014-01-30 05:34:26 -0800 | [diff] [blame^] | 169 | Call call = mCalls.get(callId); |
| 170 | if (call == null) { |
| 171 | Log.e(TAG, "Unknown call (" + callId + ") asked to disconnect"); |
| 172 | } else { |
| 173 | call.disconnect(); |
| 174 | } |
| 175 | |
Santos Cordon | e3d76ab | 2014-01-28 17:25:20 -0800 | [diff] [blame] | 176 | } |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 177 | |
| 178 | void markCallAsRinging(String callId) { |
| 179 | setCallState(callId, CallState.RINGING); |
| 180 | } |
| 181 | |
| 182 | void markCallAsDialing(String callId) { |
| 183 | setCallState(callId, CallState.DIALING); |
| 184 | } |
| 185 | |
| 186 | void markCallAsActive(String callId) { |
| 187 | setCallState(callId, CallState.ACTIVE); |
| 188 | } |
| 189 | |
Santos Cordon | 049b7b6 | 2014-01-30 05:34:26 -0800 | [diff] [blame^] | 190 | /** |
| 191 | * Marks the specified call as DISCONNECTED and notifies the in-call app. If this was the last |
| 192 | * live call, then also disconnect from the in-call controller. |
| 193 | * |
| 194 | * @param callId The ID of the call. |
| 195 | */ |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 196 | void markCallAsDisconnected(String callId) { |
| 197 | setCallState(callId, CallState.DISCONNECTED); |
| 198 | mCalls.remove(callId); |
Santos Cordon | 049b7b6 | 2014-01-30 05:34:26 -0800 | [diff] [blame^] | 199 | |
| 200 | // Notify the in-call UI |
| 201 | mInCallController.markCallAsDisconnected(callId); |
| 202 | if (mCalls.isEmpty()) { |
| 203 | mInCallController.unbind(); |
| 204 | } |
Santos Cordon | 681663d | 2014-01-30 04:32:15 -0800 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Sets the specified state on the specified call. |
| 209 | * |
| 210 | * @param callId The ID of the call to update. |
| 211 | * @param state The new state of the call. |
| 212 | */ |
| 213 | private void setCallState(String callId, CallState state) { |
| 214 | Preconditions.checkState(!Strings.isNullOrEmpty(callId)); |
| 215 | Preconditions.checkNotNull(state); |
| 216 | |
| 217 | Call call = mCalls.get(callId); |
| 218 | if (call == null) { |
| 219 | Log.e(TAG, "Call " + callId + " was not found while attempting to upda the state to " + |
| 220 | state + "."); |
| 221 | } else { |
| 222 | // Unfortunately, in the telephony world, the radio is king. So if the call notifies us |
| 223 | // that the call is in a particular state, we allow it even if it doesn't make sense |
| 224 | // (e.g., ACTIVE -> RINGING). |
| 225 | // TODO(santoscordon): Consider putting a stop to the above and turning CallState into |
| 226 | // a well-defined state machine. |
| 227 | // TODO(santoscordon): Define expected state transitions here, and log when an |
| 228 | // unexpected transition occurs. |
| 229 | call.setState(state); |
| 230 | // TODO(santoscordon): Notify the in-call app whenever a call changes state. |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | /** |
| 235 | * Adds the specified call to the main list of live calls. |
| 236 | * |
| 237 | * @param call The call to add. |
| 238 | */ |
| 239 | private void addCall(Call call) { |
| 240 | mCalls.put(call.getId(), call); |
| 241 | } |
Ben Gilad | 9f2bed3 | 2013-12-12 17:43:26 -0800 | [diff] [blame] | 242 | } |