Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | |
| 17 | package com.android.server.telecom; |
| 18 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 19 | import android.media.AudioManager; |
| 20 | import android.os.Message; |
Brad Ebinger | 953e1af | 2016-10-05 15:45:22 -0700 | [diff] [blame] | 21 | import android.telecom.Log; |
| 22 | import android.telecom.Logging.Runnable; |
| 23 | import android.telecom.Logging.Session; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 24 | import android.util.SparseArray; |
| 25 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 26 | import com.android.internal.util.IState; |
Hall Liu | a51c99f | 2017-03-13 16:39:26 -0700 | [diff] [blame] | 27 | import com.android.internal.util.IndentingPrintWriter; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 28 | import com.android.internal.util.State; |
| 29 | import com.android.internal.util.StateMachine; |
| 30 | |
| 31 | public class CallAudioModeStateMachine extends StateMachine { |
| 32 | public static class MessageArgs { |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 33 | public boolean hasActiveOrDialingCalls; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 34 | public boolean hasRingingCalls; |
| 35 | public boolean hasHoldingCalls; |
| 36 | public boolean isTonePlaying; |
| 37 | public boolean foregroundCallIsVoip; |
| 38 | public Session session; |
| 39 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 40 | public MessageArgs(boolean hasActiveOrDialingCalls, boolean hasRingingCalls, |
| 41 | boolean hasHoldingCalls, boolean isTonePlaying, boolean foregroundCallIsVoip, |
| 42 | Session session) { |
| 43 | this.hasActiveOrDialingCalls = hasActiveOrDialingCalls; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 44 | this.hasRingingCalls = hasRingingCalls; |
| 45 | this.hasHoldingCalls = hasHoldingCalls; |
| 46 | this.isTonePlaying = isTonePlaying; |
| 47 | this.foregroundCallIsVoip = foregroundCallIsVoip; |
| 48 | this.session = session; |
| 49 | } |
| 50 | |
Brad Ebinger | 83bc411 | 2016-04-01 15:30:14 -0700 | [diff] [blame] | 51 | public MessageArgs() { |
| 52 | this.session = Log.createSubsession(); |
| 53 | } |
| 54 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 55 | @Override |
| 56 | public String toString() { |
| 57 | return "MessageArgs{" + |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 58 | "hasActiveCalls=" + hasActiveOrDialingCalls + |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 59 | ", hasRingingCalls=" + hasRingingCalls + |
| 60 | ", hasHoldingCalls=" + hasHoldingCalls + |
| 61 | ", isTonePlaying=" + isTonePlaying + |
| 62 | ", foregroundCallIsVoip=" + foregroundCallIsVoip + |
| 63 | ", session=" + session + |
| 64 | '}'; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | public static final int INITIALIZE = 1; |
| 69 | // These ENTER_*_FOCUS commands are for testing. |
| 70 | public static final int ENTER_CALL_FOCUS_FOR_TESTING = 2; |
| 71 | public static final int ENTER_COMMS_FOCUS_FOR_TESTING = 3; |
| 72 | public static final int ENTER_RING_FOCUS_FOR_TESTING = 4; |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 73 | public static final int ENTER_TONE_OR_HOLD_FOCUS_FOR_TESTING = 5; |
| 74 | public static final int ABANDON_FOCUS_FOR_TESTING = 6; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 75 | |
| 76 | public static final int NO_MORE_ACTIVE_OR_DIALING_CALLS = 1001; |
| 77 | public static final int NO_MORE_RINGING_CALLS = 1002; |
| 78 | public static final int NO_MORE_HOLDING_CALLS = 1003; |
| 79 | |
| 80 | public static final int NEW_ACTIVE_OR_DIALING_CALL = 2001; |
| 81 | public static final int NEW_RINGING_CALL = 2002; |
| 82 | public static final int NEW_HOLDING_CALL = 2003; |
| 83 | public static final int MT_AUDIO_SPEEDUP_FOR_RINGING_CALL = 2004; |
| 84 | |
| 85 | public static final int TONE_STARTED_PLAYING = 3001; |
| 86 | public static final int TONE_STOPPED_PLAYING = 3002; |
| 87 | |
| 88 | public static final int FOREGROUND_VOIP_MODE_CHANGE = 4001; |
| 89 | |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 90 | public static final int RINGER_MODE_CHANGE = 5001; |
| 91 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 92 | public static final int RUN_RUNNABLE = 9001; |
| 93 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 94 | private static final SparseArray<String> MESSAGE_CODE_TO_NAME = new SparseArray<String>() {{ |
| 95 | put(ENTER_CALL_FOCUS_FOR_TESTING, "ENTER_CALL_FOCUS_FOR_TESTING"); |
| 96 | put(ENTER_COMMS_FOCUS_FOR_TESTING, "ENTER_COMMS_FOCUS_FOR_TESTING"); |
| 97 | put(ENTER_RING_FOCUS_FOR_TESTING, "ENTER_RING_FOCUS_FOR_TESTING"); |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 98 | put(ENTER_TONE_OR_HOLD_FOCUS_FOR_TESTING, "ENTER_TONE_OR_HOLD_FOCUS_FOR_TESTING"); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 99 | put(ABANDON_FOCUS_FOR_TESTING, "ABANDON_FOCUS_FOR_TESTING"); |
| 100 | put(NO_MORE_ACTIVE_OR_DIALING_CALLS, "NO_MORE_ACTIVE_OR_DIALING_CALLS"); |
| 101 | put(NO_MORE_RINGING_CALLS, "NO_MORE_RINGING_CALLS"); |
| 102 | put(NO_MORE_HOLDING_CALLS, "NO_MORE_HOLDING_CALLS"); |
| 103 | put(NEW_ACTIVE_OR_DIALING_CALL, "NEW_ACTIVE_OR_DIALING_CALL"); |
| 104 | put(NEW_RINGING_CALL, "NEW_RINGING_CALL"); |
| 105 | put(NEW_HOLDING_CALL, "NEW_HOLDING_CALL"); |
| 106 | put(MT_AUDIO_SPEEDUP_FOR_RINGING_CALL, "MT_AUDIO_SPEEDUP_FOR_RINGING_CALL"); |
| 107 | put(TONE_STARTED_PLAYING, "TONE_STARTED_PLAYING"); |
| 108 | put(TONE_STOPPED_PLAYING, "TONE_STOPPED_PLAYING"); |
| 109 | put(FOREGROUND_VOIP_MODE_CHANGE, "FOREGROUND_VOIP_MODE_CHANGE"); |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 110 | put(RINGER_MODE_CHANGE, "RINGER_MODE_CHANGE"); |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 111 | |
| 112 | put(RUN_RUNNABLE, "RUN_RUNNABLE"); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 113 | }}; |
| 114 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 115 | public static final String TONE_HOLD_STATE_NAME = OtherFocusState.class.getSimpleName(); |
| 116 | public static final String UNFOCUSED_STATE_NAME = UnfocusedState.class.getSimpleName(); |
| 117 | public static final String CALL_STATE_NAME = SimCallFocusState.class.getSimpleName(); |
| 118 | public static final String RING_STATE_NAME = RingingFocusState.class.getSimpleName(); |
| 119 | public static final String COMMS_STATE_NAME = VoipCallFocusState.class.getSimpleName(); |
| 120 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 121 | private class BaseState extends State { |
| 122 | @Override |
| 123 | public boolean processMessage(Message msg) { |
| 124 | switch (msg.what) { |
| 125 | case ENTER_CALL_FOCUS_FOR_TESTING: |
| 126 | transitionTo(mSimCallFocusState); |
| 127 | return HANDLED; |
| 128 | case ENTER_COMMS_FOCUS_FOR_TESTING: |
| 129 | transitionTo(mVoipCallFocusState); |
| 130 | return HANDLED; |
| 131 | case ENTER_RING_FOCUS_FOR_TESTING: |
| 132 | transitionTo(mRingingFocusState); |
| 133 | return HANDLED; |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 134 | case ENTER_TONE_OR_HOLD_FOCUS_FOR_TESTING: |
| 135 | transitionTo(mOtherFocusState); |
| 136 | return HANDLED; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 137 | case ABANDON_FOCUS_FOR_TESTING: |
| 138 | transitionTo(mUnfocusedState); |
| 139 | return HANDLED; |
| 140 | case INITIALIZE: |
| 141 | mIsInitialized = true; |
| 142 | return HANDLED; |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 143 | case RUN_RUNNABLE: |
Brad Ebinger | e62e9e8 | 2016-02-01 18:26:40 -0800 | [diff] [blame] | 144 | java.lang.Runnable r = (java.lang.Runnable) msg.obj; |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 145 | r.run(); |
| 146 | return HANDLED; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 147 | default: |
| 148 | return NOT_HANDLED; |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | private class UnfocusedState extends BaseState { |
| 154 | @Override |
| 155 | public void enter() { |
| 156 | if (mIsInitialized) { |
| 157 | Log.i(LOG_TAG, "Abandoning audio focus: now UNFOCUSED"); |
| 158 | mAudioManager.abandonAudioFocusForCall(); |
| 159 | mAudioManager.setMode(AudioManager.MODE_NORMAL); |
| 160 | |
| 161 | mMostRecentMode = AudioManager.MODE_NORMAL; |
| 162 | mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.NO_FOCUS); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public boolean processMessage(Message msg) { |
| 168 | if (super.processMessage(msg) == HANDLED) { |
| 169 | return HANDLED; |
| 170 | } |
| 171 | MessageArgs args = (MessageArgs) msg.obj; |
| 172 | switch (msg.what) { |
| 173 | case NO_MORE_ACTIVE_OR_DIALING_CALLS: |
| 174 | // Do nothing. |
| 175 | return HANDLED; |
| 176 | case NO_MORE_RINGING_CALLS: |
| 177 | // Do nothing. |
| 178 | return HANDLED; |
| 179 | case NO_MORE_HOLDING_CALLS: |
| 180 | // Do nothing. |
| 181 | return HANDLED; |
| 182 | case NEW_ACTIVE_OR_DIALING_CALL: |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 183 | transitionTo(args.foregroundCallIsVoip |
| 184 | ? mVoipCallFocusState : mSimCallFocusState); |
| 185 | return HANDLED; |
| 186 | case NEW_RINGING_CALL: |
| 187 | transitionTo(mRingingFocusState); |
| 188 | return HANDLED; |
| 189 | case NEW_HOLDING_CALL: |
| 190 | // This really shouldn't happen, but transition to the focused state anyway. |
| 191 | Log.w(LOG_TAG, "Call was surprisingly put into hold from an unknown state." + |
| 192 | " Args are: \n" + args.toString()); |
| 193 | transitionTo(mOtherFocusState); |
| 194 | return HANDLED; |
| 195 | case TONE_STARTED_PLAYING: |
| 196 | // This shouldn't happen either, but perform the action anyway. |
| 197 | Log.w(LOG_TAG, "Tone started playing unexpectedly. Args are: \n" |
| 198 | + args.toString()); |
| 199 | return HANDLED; |
| 200 | default: |
| 201 | // The forced focus switch commands are handled by BaseState. |
| 202 | return NOT_HANDLED; |
| 203 | } |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | private class RingingFocusState extends BaseState { |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 208 | private void tryStartRinging() { |
Hall Liu | 6a5995e | 2016-09-08 16:00:14 -0700 | [diff] [blame] | 209 | if (mCallAudioManager.startRinging()) { |
| 210 | mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_RING, |
| 211 | AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); |
Hall Liu | 6a5995e | 2016-09-08 16:00:14 -0700 | [diff] [blame] | 212 | mAudioManager.setMode(AudioManager.MODE_RINGTONE); |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 213 | mCallAudioManager.setCallAudioRouteFocusState( |
| 214 | CallAudioRouteStateMachine.RINGING_FOCUS); |
Hall Liu | 6a5995e | 2016-09-08 16:00:14 -0700 | [diff] [blame] | 215 | } else { |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 216 | Log.i(LOG_TAG, "RINGING state, try start ringing but not acquiring audio focus"); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 217 | } |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 218 | } |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 219 | |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 220 | @Override |
| 221 | public void enter() { |
| 222 | Log.i(LOG_TAG, "Audio focus entering RINGING state"); |
| 223 | tryStartRinging(); |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 224 | mCallAudioManager.stopCallWaiting(); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | @Override |
| 228 | public void exit() { |
| 229 | // Audio mode and audio stream will be set by the next state. |
| 230 | mCallAudioManager.stopRinging(); |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public boolean processMessage(Message msg) { |
| 235 | if (super.processMessage(msg) == HANDLED) { |
| 236 | return HANDLED; |
| 237 | } |
| 238 | MessageArgs args = (MessageArgs) msg.obj; |
| 239 | switch (msg.what) { |
| 240 | case NO_MORE_ACTIVE_OR_DIALING_CALLS: |
| 241 | // Do nothing. Loss of an active call should not impact ringer. |
| 242 | return HANDLED; |
| 243 | case NO_MORE_HOLDING_CALLS: |
| 244 | // Do nothing and keep ringing. |
| 245 | return HANDLED; |
| 246 | case NO_MORE_RINGING_CALLS: |
| 247 | // If there are active or holding calls, switch to the appropriate focus. |
| 248 | // Otherwise abandon focus. |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 249 | if (args.hasActiveOrDialingCalls) { |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 250 | if (args.foregroundCallIsVoip) { |
| 251 | transitionTo(mVoipCallFocusState); |
| 252 | } else { |
| 253 | transitionTo(mSimCallFocusState); |
| 254 | } |
| 255 | } else if (args.hasHoldingCalls || args.isTonePlaying) { |
| 256 | transitionTo(mOtherFocusState); |
| 257 | } else { |
| 258 | transitionTo(mUnfocusedState); |
| 259 | } |
| 260 | return HANDLED; |
| 261 | case NEW_ACTIVE_OR_DIALING_CALL: |
| 262 | // If a call becomes active suddenly, give it priority over ringing. |
| 263 | transitionTo(args.foregroundCallIsVoip |
| 264 | ? mVoipCallFocusState : mSimCallFocusState); |
| 265 | return HANDLED; |
| 266 | case NEW_RINGING_CALL: |
| 267 | Log.w(LOG_TAG, "Unexpected behavior! New ringing call appeared while in " + |
| 268 | "ringing state."); |
| 269 | return HANDLED; |
| 270 | case NEW_HOLDING_CALL: |
| 271 | // This really shouldn't happen, but transition to the focused state anyway. |
| 272 | Log.w(LOG_TAG, "Call was surprisingly put into hold while ringing." + |
| 273 | " Args are: " + args.toString()); |
| 274 | transitionTo(mOtherFocusState); |
| 275 | return HANDLED; |
| 276 | case MT_AUDIO_SPEEDUP_FOR_RINGING_CALL: |
| 277 | // This happens when an IMS call is answered by the in-call UI. Special case |
| 278 | // that we have to deal with for some reason. |
| 279 | |
Jimmy Wu | 4c919d1 | 2017-05-29 23:37:18 +0800 | [diff] [blame] | 280 | // The IMS audio routing may be via modem or via RTP stream. In case via RTP |
| 281 | // stream, the state machine should transit to mVoipCallFocusState. |
| 282 | transitionTo(args.foregroundCallIsVoip |
| 283 | ? mVoipCallFocusState : mSimCallFocusState); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 284 | return HANDLED; |
Jack He | d0c6cab | 2018-02-13 18:33:57 -0800 | [diff] [blame] | 285 | case RINGER_MODE_CHANGE: { |
| 286 | Log.i(LOG_TAG, "RINGING state, received RINGER_MODE_CHANGE"); |
| 287 | tryStartRinging(); |
| 288 | return HANDLED; |
| 289 | } |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 290 | default: |
| 291 | // The forced focus switch commands are handled by BaseState. |
| 292 | return NOT_HANDLED; |
| 293 | } |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | private class SimCallFocusState extends BaseState { |
| 298 | @Override |
| 299 | public void enter() { |
| 300 | Log.i(LOG_TAG, "Audio focus entering SIM CALL state"); |
| 301 | mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL, |
| 302 | AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); |
| 303 | mAudioManager.setMode(AudioManager.MODE_IN_CALL); |
| 304 | mMostRecentMode = AudioManager.MODE_IN_CALL; |
Hall Liu | e271f22 | 2016-08-15 18:04:06 -0700 | [diff] [blame] | 305 | mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.ACTIVE_FOCUS); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | @Override |
| 309 | public boolean processMessage(Message msg) { |
| 310 | if (super.processMessage(msg) == HANDLED) { |
| 311 | return HANDLED; |
| 312 | } |
| 313 | MessageArgs args = (MessageArgs) msg.obj; |
| 314 | switch (msg.what) { |
| 315 | case NO_MORE_ACTIVE_OR_DIALING_CALLS: |
| 316 | // Switch to either ringing, holding, or inactive |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 317 | transitionTo(destinationStateAfterNoMoreActiveCalls(args)); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 318 | return HANDLED; |
| 319 | case NO_MORE_RINGING_CALLS: |
| 320 | // Don't transition state, but stop any call-waiting tones that may have been |
| 321 | // playing. |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 322 | if (args.isTonePlaying) { |
| 323 | mCallAudioManager.stopCallWaiting(); |
| 324 | } |
Hall Liu | e792b33 | 2016-04-19 14:23:09 -0700 | [diff] [blame] | 325 | // If a MT-audio-speedup call gets disconnected by the connection service |
| 326 | // concurrently with the user answering it, we may get this message |
| 327 | // indicating that a ringing call has disconnected while this state machine |
| 328 | // is in the SimCallFocusState. |
| 329 | if (!args.hasActiveOrDialingCalls) { |
| 330 | transitionTo(destinationStateAfterNoMoreActiveCalls(args)); |
| 331 | } |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 332 | return HANDLED; |
| 333 | case NO_MORE_HOLDING_CALLS: |
| 334 | // Do nothing. |
| 335 | return HANDLED; |
| 336 | case NEW_ACTIVE_OR_DIALING_CALL: |
| 337 | // Do nothing. Already active. |
| 338 | return HANDLED; |
| 339 | case NEW_RINGING_CALL: |
| 340 | // Don't make a call ring over an active call, but do play a call waiting tone. |
| 341 | mCallAudioManager.startCallWaiting(); |
| 342 | return HANDLED; |
| 343 | case NEW_HOLDING_CALL: |
| 344 | // Don't do anything now. Putting an active call on hold will be handled when |
| 345 | // NO_MORE_ACTIVE_CALLS is processed. |
| 346 | return HANDLED; |
| 347 | case FOREGROUND_VOIP_MODE_CHANGE: |
| 348 | if (args.foregroundCallIsVoip) { |
| 349 | transitionTo(mVoipCallFocusState); |
| 350 | } |
| 351 | return HANDLED; |
| 352 | default: |
| 353 | // The forced focus switch commands are handled by BaseState. |
| 354 | return NOT_HANDLED; |
| 355 | } |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | private class VoipCallFocusState extends BaseState { |
| 360 | @Override |
| 361 | public void enter() { |
| 362 | Log.i(LOG_TAG, "Audio focus entering VOIP CALL state"); |
| 363 | mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL, |
| 364 | AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); |
| 365 | mAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION); |
| 366 | mMostRecentMode = AudioManager.MODE_IN_COMMUNICATION; |
Hall Liu | e271f22 | 2016-08-15 18:04:06 -0700 | [diff] [blame] | 367 | mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.ACTIVE_FOCUS); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | @Override |
| 371 | public boolean processMessage(Message msg) { |
| 372 | if (super.processMessage(msg) == HANDLED) { |
| 373 | return HANDLED; |
| 374 | } |
| 375 | MessageArgs args = (MessageArgs) msg.obj; |
| 376 | switch (msg.what) { |
| 377 | case NO_MORE_ACTIVE_OR_DIALING_CALLS: |
| 378 | // Switch to either ringing, holding, or inactive |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 379 | transitionTo(destinationStateAfterNoMoreActiveCalls(args)); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 380 | return HANDLED; |
| 381 | case NO_MORE_RINGING_CALLS: |
| 382 | // Don't transition state, but stop any call-waiting tones that may have been |
| 383 | // playing. |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 384 | if (args.isTonePlaying) { |
| 385 | mCallAudioManager.stopCallWaiting(); |
| 386 | } |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 387 | return HANDLED; |
| 388 | case NO_MORE_HOLDING_CALLS: |
| 389 | // Do nothing. |
| 390 | return HANDLED; |
| 391 | case NEW_ACTIVE_OR_DIALING_CALL: |
| 392 | // Do nothing. Already active. |
| 393 | return HANDLED; |
| 394 | case NEW_RINGING_CALL: |
| 395 | // Don't make a call ring over an active call, but do play a call waiting tone. |
| 396 | mCallAudioManager.startCallWaiting(); |
| 397 | return HANDLED; |
| 398 | case NEW_HOLDING_CALL: |
| 399 | // Don't do anything now. Putting an active call on hold will be handled when |
| 400 | // NO_MORE_ACTIVE_CALLS is processed. |
| 401 | return HANDLED; |
| 402 | case FOREGROUND_VOIP_MODE_CHANGE: |
| 403 | if (!args.foregroundCallIsVoip) { |
| 404 | transitionTo(mSimCallFocusState); |
| 405 | } |
| 406 | return HANDLED; |
| 407 | default: |
| 408 | // The forced focus switch commands are handled by BaseState. |
| 409 | return NOT_HANDLED; |
| 410 | } |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * This class is used for calls on hold and end-of-call tones. |
| 416 | */ |
| 417 | private class OtherFocusState extends BaseState { |
| 418 | @Override |
| 419 | public void enter() { |
| 420 | Log.i(LOG_TAG, "Audio focus entering TONE/HOLDING state"); |
| 421 | mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL, |
| 422 | AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); |
| 423 | mAudioManager.setMode(mMostRecentMode); |
Hall Liu | e271f22 | 2016-08-15 18:04:06 -0700 | [diff] [blame] | 424 | mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.ACTIVE_FOCUS); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | @Override |
| 428 | public boolean processMessage(Message msg) { |
| 429 | if (super.processMessage(msg) == HANDLED) { |
| 430 | return HANDLED; |
| 431 | } |
| 432 | MessageArgs args = (MessageArgs) msg.obj; |
| 433 | switch (msg.what) { |
| 434 | case NO_MORE_HOLDING_CALLS: |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 435 | if (args.hasActiveOrDialingCalls) { |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 436 | transitionTo(args.foregroundCallIsVoip |
| 437 | ? mVoipCallFocusState : mSimCallFocusState); |
| 438 | } else if (args.hasRingingCalls) { |
| 439 | transitionTo(mRingingFocusState); |
| 440 | } else if (!args.isTonePlaying) { |
| 441 | transitionTo(mUnfocusedState); |
| 442 | } |
| 443 | // Do nothing if a tone is playing. |
| 444 | return HANDLED; |
| 445 | case NEW_ACTIVE_OR_DIALING_CALL: |
| 446 | transitionTo(args.foregroundCallIsVoip |
| 447 | ? mVoipCallFocusState : mSimCallFocusState); |
| 448 | return HANDLED; |
| 449 | case NEW_RINGING_CALL: |
| 450 | // Apparently this is current behavior. Should this be the case? |
| 451 | transitionTo(mRingingFocusState); |
| 452 | return HANDLED; |
| 453 | case NEW_HOLDING_CALL: |
| 454 | // Do nothing. |
| 455 | return HANDLED; |
| 456 | case NO_MORE_RINGING_CALLS: |
| 457 | // If there are no more ringing calls in this state, then stop any call-waiting |
| 458 | // tones that may be playing. |
| 459 | mCallAudioManager.stopCallWaiting(); |
| 460 | return HANDLED; |
| 461 | case TONE_STOPPED_PLAYING: |
Hall Liu | 6a11ed7 | 2016-03-30 17:09:22 -0700 | [diff] [blame] | 462 | transitionTo(destinationStateAfterNoMoreActiveCalls(args)); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 463 | default: |
| 464 | return NOT_HANDLED; |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | private static final String LOG_TAG = CallAudioModeStateMachine.class.getSimpleName(); |
| 470 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 471 | private final BaseState mUnfocusedState = new UnfocusedState(); |
| 472 | private final BaseState mRingingFocusState = new RingingFocusState(); |
| 473 | private final BaseState mSimCallFocusState = new SimCallFocusState(); |
| 474 | private final BaseState mVoipCallFocusState = new VoipCallFocusState(); |
| 475 | private final BaseState mOtherFocusState = new OtherFocusState(); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 476 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 477 | private final AudioManager mAudioManager; |
| 478 | private CallAudioManager mCallAudioManager; |
| 479 | |
| 480 | private int mMostRecentMode; |
| 481 | private boolean mIsInitialized = false; |
| 482 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 483 | public CallAudioModeStateMachine(AudioManager audioManager) { |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 484 | super(CallAudioModeStateMachine.class.getSimpleName()); |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 485 | mAudioManager = audioManager; |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 486 | mMostRecentMode = AudioManager.MODE_NORMAL; |
| 487 | |
| 488 | addState(mUnfocusedState); |
| 489 | addState(mRingingFocusState); |
| 490 | addState(mSimCallFocusState); |
| 491 | addState(mVoipCallFocusState); |
| 492 | addState(mOtherFocusState); |
| 493 | setInitialState(mUnfocusedState); |
| 494 | start(); |
Brad Ebinger | 83bc411 | 2016-04-01 15:30:14 -0700 | [diff] [blame] | 495 | sendMessage(INITIALIZE, new MessageArgs()); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | public void setCallAudioManager(CallAudioManager callAudioManager) { |
| 499 | mCallAudioManager = callAudioManager; |
| 500 | } |
| 501 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 502 | public String getCurrentStateName() { |
| 503 | IState currentState = getCurrentState(); |
| 504 | return currentState == null ? "no state" : currentState.getName(); |
| 505 | } |
| 506 | |
Hall Liu | e792b33 | 2016-04-19 14:23:09 -0700 | [diff] [blame] | 507 | public void sendMessageWithArgs(int messageCode, MessageArgs args) { |
| 508 | sendMessage(messageCode, args); |
| 509 | } |
| 510 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 511 | @Override |
| 512 | protected void onPreHandleMessage(Message msg) { |
| 513 | if (msg.obj != null && msg.obj instanceof MessageArgs) { |
| 514 | Log.continueSession(((MessageArgs) msg.obj).session, "CAMSM.pM_" + msg.what); |
| 515 | Log.i(LOG_TAG, "Message received: %s.", MESSAGE_CODE_TO_NAME.get(msg.what)); |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 516 | } else if (msg.what == RUN_RUNNABLE && msg.obj instanceof Runnable) { |
| 517 | Log.i(LOG_TAG, "Running runnable for testing"); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 518 | } else { |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 519 | Log.w(LOG_TAG, "Message sent must be of type nonnull MessageArgs, but got " + |
| 520 | (msg.obj == null ? "null" : msg.obj.getClass().getSimpleName())); |
| 521 | Log.w(LOG_TAG, "The message was of code %d = %s", |
| 522 | msg.what, MESSAGE_CODE_TO_NAME.get(msg.what)); |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 523 | } |
| 524 | } |
| 525 | |
Hall Liu | a51c99f | 2017-03-13 16:39:26 -0700 | [diff] [blame] | 526 | public void dumpPendingMessages(IndentingPrintWriter pw) { |
| 527 | getHandler().getLooper().dump(pw::println, ""); |
| 528 | } |
| 529 | |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 530 | @Override |
| 531 | protected void onPostHandleMessage(Message msg) { |
| 532 | Log.endSession(); |
| 533 | } |
| 534 | |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 535 | private BaseState destinationStateAfterNoMoreActiveCalls(MessageArgs args) { |
Hall Liu | 6a11ed7 | 2016-03-30 17:09:22 -0700 | [diff] [blame] | 536 | if (args.hasHoldingCalls) { |
| 537 | return mOtherFocusState; |
| 538 | } else if (args.hasRingingCalls) { |
| 539 | return mRingingFocusState; |
| 540 | } else if (args.isTonePlaying) { |
| 541 | return mOtherFocusState; |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 542 | } else { |
Hall Liu | 6a11ed7 | 2016-03-30 17:09:22 -0700 | [diff] [blame] | 543 | return mUnfocusedState; |
Hall Liu | fbed016 | 2016-01-14 18:06:29 -0800 | [diff] [blame] | 544 | } |
Hall Liu | e091ab9 | 2015-12-18 17:05:30 -0800 | [diff] [blame] | 545 | } |
Hall Liu | 2cc2743 | 2016-10-31 14:00:16 -0700 | [diff] [blame] | 546 | } |