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