1 /* 2 * Copyright (C) 2008 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; 18 19 import static com.android.server.input.InputManagerService.SW_HEADPHONE_INSERT; 20 import static com.android.server.input.InputManagerService.SW_HEADPHONE_INSERT_BIT; 21 import static com.android.server.input.InputManagerService.SW_LINEOUT_INSERT; 22 import static com.android.server.input.InputManagerService.SW_LINEOUT_INSERT_BIT; 23 import static com.android.server.input.InputManagerService.SW_MICROPHONE_INSERT; 24 import static com.android.server.input.InputManagerService.SW_MICROPHONE_INSERT_BIT; 25 26 import android.content.Context; 27 import android.media.AudioManager; 28 import android.os.Handler; 29 import android.os.Looper; 30 import android.os.Message; 31 import android.os.PowerManager; 32 import android.os.PowerManager.WakeLock; 33 import android.os.UEventObserver; 34 import android.util.Log; 35 import android.util.Pair; 36 import android.util.Slog; 37 import android.view.InputDevice; 38 39 import com.android.internal.R; 40 import com.android.server.input.InputManagerService; 41 import com.android.server.input.InputManagerService.WiredAccessoryCallbacks; 42 43 import java.io.File; 44 import java.io.FileNotFoundException; 45 import java.io.FileReader; 46 import java.io.IOException; 47 import java.util.ArrayList; 48 import java.util.List; 49 import java.util.Locale; 50 51 /** 52 * <p>WiredAccessoryManager monitors for a wired headset on the main board or dock using 53 * both the InputManagerService notifyWiredAccessoryChanged interface and the UEventObserver 54 * subsystem. 55 */ 56 final class WiredAccessoryManager implements WiredAccessoryCallbacks { 57 private static final String TAG = WiredAccessoryManager.class.getSimpleName(); 58 private static final boolean LOG = false; 59 60 private static final int BIT_HEADSET = (1 << 0); 61 private static final int BIT_HEADSET_NO_MIC = (1 << 1); 62 private static final int BIT_USB_HEADSET_ANLG = (1 << 2); 63 private static final int BIT_USB_HEADSET_DGTL = (1 << 3); 64 private static final int BIT_HDMI_AUDIO = (1 << 4); 65 private static final int BIT_LINEOUT = (1 << 5); 66 private static final int SUPPORTED_HEADSETS = (BIT_HEADSET | BIT_HEADSET_NO_MIC | 67 BIT_USB_HEADSET_ANLG | BIT_USB_HEADSET_DGTL | 68 BIT_HDMI_AUDIO | BIT_LINEOUT); 69 70 private static final String NAME_H2W = "h2w"; 71 private static final String NAME_USB_AUDIO = "usb_audio"; 72 private static final String NAME_HDMI_AUDIO = "hdmi_audio"; 73 private static final String NAME_HDMI = "hdmi"; 74 75 private static final int MSG_NEW_DEVICE_STATE = 1; 76 private static final int MSG_SYSTEM_READY = 2; 77 78 private final Object mLock = new Object(); 79 80 private final WakeLock mWakeLock; // held while there is a pending route change 81 private final AudioManager mAudioManager; 82 83 private int mHeadsetState; 84 85 private int mSwitchValues; 86 87 private final WiredAccessoryObserver mObserver; 88 private final WiredAccessoryExtconObserver mExtconObserver; 89 private final InputManagerService mInputManager; 90 91 private final boolean mUseDevInputEventForAudioJack; 92 WiredAccessoryManager(Context context, InputManagerService inputManager)93 public WiredAccessoryManager(Context context, InputManagerService inputManager) { 94 PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 95 mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "WiredAccessoryManager"); 96 mWakeLock.setReferenceCounted(false); 97 mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 98 mInputManager = inputManager; 99 100 mUseDevInputEventForAudioJack = 101 context.getResources().getBoolean(R.bool.config_useDevInputEventForAudioJack); 102 103 mExtconObserver = new WiredAccessoryExtconObserver(); 104 mObserver = new WiredAccessoryObserver(); 105 } 106 onSystemReady()107 private void onSystemReady() { 108 if (mUseDevInputEventForAudioJack) { 109 int switchValues = 0; 110 if (mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, SW_HEADPHONE_INSERT) 111 == 1) { 112 switchValues |= SW_HEADPHONE_INSERT_BIT; 113 } 114 if (mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, SW_MICROPHONE_INSERT) 115 == 1) { 116 switchValues |= SW_MICROPHONE_INSERT_BIT; 117 } 118 if (mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, SW_LINEOUT_INSERT) == 1) { 119 switchValues |= SW_LINEOUT_INSERT_BIT; 120 } 121 notifyWiredAccessoryChanged( 122 0, 123 switchValues, 124 SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_LINEOUT_INSERT_BIT, 125 true /*isSynchronous*/); 126 } 127 128 129 if (ExtconUEventObserver.extconExists()) { 130 if (mUseDevInputEventForAudioJack) { 131 Log.w(TAG, "Both input event and extcon are used for audio jack," 132 + " please just choose one."); 133 } 134 mExtconObserver.init(); 135 } else { 136 mObserver.init(); 137 } 138 } 139 140 @Override notifyWiredAccessoryChanged( long whenNanos, int switchValues, int switchMask)141 public void notifyWiredAccessoryChanged( 142 long whenNanos, int switchValues, int switchMask) { 143 notifyWiredAccessoryChanged(whenNanos, switchValues, switchMask, false /*isSynchronous*/); 144 } 145 notifyWiredAccessoryChanged( long whenNanos, int switchValues, int switchMask, boolean isSynchronous)146 public void notifyWiredAccessoryChanged( 147 long whenNanos, int switchValues, int switchMask, boolean isSynchronous) { 148 if (LOG) { 149 Slog.v(TAG, "notifyWiredAccessoryChanged: when=" + whenNanos 150 + " bits=" + switchCodeToString(switchValues, switchMask) 151 + " mask=" + Integer.toHexString(switchMask)); 152 } 153 154 synchronized (mLock) { 155 int headset; 156 mSwitchValues = (mSwitchValues & ~switchMask) | switchValues; 157 switch (mSwitchValues & 158 (SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_LINEOUT_INSERT_BIT)) { 159 case 0: 160 headset = 0; 161 break; 162 163 case SW_HEADPHONE_INSERT_BIT: 164 headset = BIT_HEADSET_NO_MIC; 165 break; 166 167 case SW_LINEOUT_INSERT_BIT: 168 headset = BIT_LINEOUT; 169 break; 170 171 case SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT: 172 headset = BIT_HEADSET; 173 break; 174 175 case SW_MICROPHONE_INSERT_BIT: 176 headset = BIT_HEADSET; 177 break; 178 179 default: 180 headset = 0; 181 break; 182 } 183 184 updateLocked( 185 NAME_H2W, 186 (mHeadsetState & ~(BIT_HEADSET | BIT_HEADSET_NO_MIC | BIT_LINEOUT)) | headset, 187 isSynchronous); 188 } 189 } 190 191 @Override systemReady()192 public void systemReady() { 193 synchronized (mLock) { 194 mWakeLock.acquire(); 195 196 Message msg = mHandler.obtainMessage(MSG_SYSTEM_READY, 0, 0, null); 197 mHandler.sendMessage(msg); 198 } 199 } 200 201 /** 202 * Compare the existing headset state with the new state and pass along accordingly. Note 203 * that this only supports a single headset at a time. Inserting both a usb and jacked headset 204 * results in support for the last one plugged in. Similarly, unplugging either is seen as 205 * unplugging all. 206 * 207 * @param newName One of the NAME_xxx variables defined above. 208 * @param newState 0 or one of the BIT_xxx variables defined above. 209 * @param isSynchronous boolean to determine whether should happen sync or async 210 */ updateLocked(String newName, int newState, boolean isSynchronous)211 private void updateLocked(String newName, int newState, boolean isSynchronous) { 212 // Retain only relevant bits 213 int headsetState = newState & SUPPORTED_HEADSETS; 214 int usb_headset_anlg = headsetState & BIT_USB_HEADSET_ANLG; 215 int usb_headset_dgtl = headsetState & BIT_USB_HEADSET_DGTL; 216 int h2w_headset = headsetState & (BIT_HEADSET | BIT_HEADSET_NO_MIC | BIT_LINEOUT); 217 boolean h2wStateChange = true; 218 boolean usbStateChange = true; 219 if (LOG) { 220 Slog.v(TAG, "newName=" + newName 221 + " newState=" + newState 222 + " headsetState=" + headsetState 223 + " prev headsetState=" + mHeadsetState); 224 } 225 226 if (mHeadsetState == headsetState) { 227 Log.e(TAG, "No state change."); 228 return; 229 } 230 231 // reject all suspect transitions: only accept state changes from: 232 // - a: 0 headset to 1 headset 233 // - b: 1 headset to 0 headset 234 if (h2w_headset == (BIT_HEADSET | BIT_HEADSET_NO_MIC | BIT_LINEOUT)) { 235 Log.e(TAG, "Invalid combination, unsetting h2w flag"); 236 h2wStateChange = false; 237 } 238 // - c: 0 usb headset to 1 usb headset 239 // - d: 1 usb headset to 0 usb headset 240 if (usb_headset_anlg == BIT_USB_HEADSET_ANLG && usb_headset_dgtl == BIT_USB_HEADSET_DGTL) { 241 Log.e(TAG, "Invalid combination, unsetting usb flag"); 242 usbStateChange = false; 243 } 244 if (!h2wStateChange && !usbStateChange) { 245 Log.e(TAG, "invalid transition, returning ..."); 246 return; 247 } 248 249 if (isSynchronous) { 250 setDevicesState(headsetState, mHeadsetState, ""); 251 } else { 252 mWakeLock.acquire(); 253 Log.i(TAG, "MSG_NEW_DEVICE_STATE"); 254 Message msg = mHandler.obtainMessage(MSG_NEW_DEVICE_STATE, headsetState, 255 mHeadsetState, ""); 256 mHandler.sendMessage(msg); 257 } 258 259 mHeadsetState = headsetState; 260 } 261 262 private final Handler mHandler = new Handler(Looper.myLooper(), null, true) { 263 @Override 264 public void handleMessage(Message msg) { 265 switch (msg.what) { 266 case MSG_NEW_DEVICE_STATE: 267 setDevicesState(msg.arg1, msg.arg2, (String) msg.obj); 268 mWakeLock.release(); 269 break; 270 case MSG_SYSTEM_READY: 271 onSystemReady(); 272 mWakeLock.release(); 273 break; 274 } 275 } 276 }; 277 setDevicesState( int headsetState, int prevHeadsetState, String headsetName)278 private void setDevicesState( 279 int headsetState, int prevHeadsetState, String headsetName) { 280 synchronized (mLock) { 281 int allHeadsets = SUPPORTED_HEADSETS; 282 for (int curHeadset = 1; allHeadsets != 0; curHeadset <<= 1) { 283 if ((curHeadset & allHeadsets) != 0) { 284 setDeviceStateLocked(curHeadset, headsetState, prevHeadsetState, headsetName); 285 allHeadsets &= ~curHeadset; 286 } 287 } 288 } 289 } 290 setDeviceStateLocked(int headset, int headsetState, int prevHeadsetState, String headsetName)291 private void setDeviceStateLocked(int headset, 292 int headsetState, int prevHeadsetState, String headsetName) { 293 if ((headsetState & headset) != (prevHeadsetState & headset)) { 294 int outDevice = 0; 295 int inDevice = 0; 296 int state; 297 298 if ((headsetState & headset) != 0) { 299 state = 1; 300 } else { 301 state = 0; 302 } 303 304 if (headset == BIT_HEADSET) { 305 outDevice = AudioManager.DEVICE_OUT_WIRED_HEADSET; 306 inDevice = AudioManager.DEVICE_IN_WIRED_HEADSET; 307 } else if (headset == BIT_HEADSET_NO_MIC) { 308 outDevice = AudioManager.DEVICE_OUT_WIRED_HEADPHONE; 309 } else if (headset == BIT_LINEOUT) { 310 outDevice = AudioManager.DEVICE_OUT_LINE; 311 } else if (headset == BIT_USB_HEADSET_ANLG) { 312 outDevice = AudioManager.DEVICE_OUT_ANLG_DOCK_HEADSET; 313 } else if (headset == BIT_USB_HEADSET_DGTL) { 314 outDevice = AudioManager.DEVICE_OUT_DGTL_DOCK_HEADSET; 315 } else if (headset == BIT_HDMI_AUDIO) { 316 outDevice = AudioManager.DEVICE_OUT_HDMI; 317 } else { 318 Slog.e(TAG, "setDeviceState() invalid headset type: " + headset); 319 return; 320 } 321 322 if (LOG) { 323 Slog.v(TAG, "headsetName: " + headsetName + 324 (state == 1 ? " connected" : " disconnected")); 325 } 326 327 if (outDevice != 0) { 328 mAudioManager.setWiredDeviceConnectionState(outDevice, state, "", headsetName); 329 } 330 if (inDevice != 0) { 331 mAudioManager.setWiredDeviceConnectionState(inDevice, state, "", headsetName); 332 } 333 } 334 } 335 switchCodeToString(int switchValues, int switchMask)336 private String switchCodeToString(int switchValues, int switchMask) { 337 StringBuilder sb = new StringBuilder(); 338 if ((switchMask & SW_HEADPHONE_INSERT_BIT) != 0 && 339 (switchValues & SW_HEADPHONE_INSERT_BIT) != 0) { 340 sb.append("SW_HEADPHONE_INSERT "); 341 } 342 if ((switchMask & SW_MICROPHONE_INSERT_BIT) != 0 && 343 (switchValues & SW_MICROPHONE_INSERT_BIT) != 0) { 344 sb.append("SW_MICROPHONE_INSERT"); 345 } 346 return sb.toString(); 347 } 348 349 class WiredAccessoryObserver extends UEventObserver { 350 private final List<UEventInfo> mUEventInfo; 351 WiredAccessoryObserver()352 public WiredAccessoryObserver() { 353 mUEventInfo = makeObservedUEventList(); 354 } 355 init()356 void init() { 357 synchronized (mLock) { 358 if (LOG) Slog.v(TAG, "init()"); 359 char[] buffer = new char[1024]; 360 361 for (int i = 0; i < mUEventInfo.size(); ++i) { 362 UEventInfo uei = mUEventInfo.get(i); 363 try { 364 int curState; 365 FileReader file = new FileReader(uei.getSwitchStatePath()); 366 int len = file.read(buffer, 0, 1024); 367 file.close(); 368 curState = Integer.parseInt((new String(buffer, 0, len)).trim()); 369 370 if (curState > 0) { 371 updateStateLocked(uei.getDevPath(), uei.getDevName(), curState); 372 } 373 } catch (FileNotFoundException e) { 374 Slog.w(TAG, uei.getSwitchStatePath() + 375 " not found while attempting to determine initial switch state"); 376 } catch (Exception e) { 377 Slog.e(TAG, "Error while attempting to determine initial switch state for " 378 + uei.getDevName(), e); 379 } 380 } 381 } 382 383 // At any given time accessories could be inserted 384 // one on the board, one on the dock and one on HDMI: 385 // observe three UEVENTs 386 for (int i = 0; i < mUEventInfo.size(); ++i) { 387 UEventInfo uei = mUEventInfo.get(i); 388 startObserving("DEVPATH=" + uei.getDevPath()); 389 } 390 } 391 makeObservedUEventList()392 private List<UEventInfo> makeObservedUEventList() { 393 List<UEventInfo> retVal = new ArrayList<UEventInfo>(); 394 UEventInfo uei; 395 396 // Monitor h2w 397 if (!mUseDevInputEventForAudioJack) { 398 uei = new UEventInfo(NAME_H2W, BIT_HEADSET, BIT_HEADSET_NO_MIC, BIT_LINEOUT); 399 if (uei.checkSwitchExists()) { 400 retVal.add(uei); 401 } else { 402 Slog.w(TAG, "This kernel does not have wired headset support"); 403 } 404 } 405 406 // Monitor USB 407 uei = new UEventInfo(NAME_USB_AUDIO, BIT_USB_HEADSET_ANLG, BIT_USB_HEADSET_DGTL, 0); 408 if (uei.checkSwitchExists()) { 409 retVal.add(uei); 410 } else { 411 Slog.w(TAG, "This kernel does not have usb audio support"); 412 } 413 414 // Monitor HDMI 415 // 416 // If the kernel has support for the "hdmi_audio" switch, use that. It will be 417 // signalled only when the HDMI driver has a video mode configured, and the downstream 418 // sink indicates support for audio in its EDID. 419 // 420 // If the kernel does not have an "hdmi_audio" switch, just fall back on the older 421 // "hdmi" switch instead. 422 uei = new UEventInfo(NAME_HDMI_AUDIO, BIT_HDMI_AUDIO, 0, 0); 423 if (uei.checkSwitchExists()) { 424 retVal.add(uei); 425 } else { 426 uei = new UEventInfo(NAME_HDMI, BIT_HDMI_AUDIO, 0, 0); 427 if (uei.checkSwitchExists()) { 428 retVal.add(uei); 429 } else { 430 Slog.w(TAG, "This kernel does not have HDMI audio support"); 431 } 432 } 433 434 return retVal; 435 } 436 437 @Override onUEvent(UEventObserver.UEvent event)438 public void onUEvent(UEventObserver.UEvent event) { 439 if (LOG) Slog.v(TAG, "Headset UEVENT: " + event.toString()); 440 441 try { 442 String devPath = event.get("DEVPATH"); 443 String name = event.get("SWITCH_NAME"); 444 int state = Integer.parseInt(event.get("SWITCH_STATE")); 445 synchronized (mLock) { 446 updateStateLocked(devPath, name, state); 447 } 448 } catch (NumberFormatException e) { 449 Slog.e(TAG, "Could not parse switch state from event " + event); 450 } 451 } 452 updateStateLocked(String devPath, String name, int state)453 private void updateStateLocked(String devPath, String name, int state) { 454 for (int i = 0; i < mUEventInfo.size(); ++i) { 455 UEventInfo uei = mUEventInfo.get(i); 456 if (devPath.equals(uei.getDevPath())) { 457 updateLocked( 458 name, 459 uei.computeNewHeadsetState(mHeadsetState, state), 460 false /*isSynchronous*/); 461 return; 462 } 463 } 464 } 465 466 private final class UEventInfo { 467 private final String mDevName; 468 private final int mState1Bits; 469 private final int mState2Bits; 470 private final int mStateNbits; 471 UEventInfo(String devName, int state1Bits, int state2Bits, int stateNbits)472 public UEventInfo(String devName, int state1Bits, int state2Bits, int stateNbits) { 473 mDevName = devName; 474 mState1Bits = state1Bits; 475 mState2Bits = state2Bits; 476 mStateNbits = stateNbits; 477 } 478 getDevName()479 public String getDevName() { 480 return mDevName; 481 } 482 getDevPath()483 public String getDevPath() { 484 return String.format(Locale.US, "/devices/virtual/switch/%s", mDevName); 485 } 486 getSwitchStatePath()487 public String getSwitchStatePath() { 488 return String.format(Locale.US, "/sys/class/switch/%s/state", mDevName); 489 } 490 checkSwitchExists()491 public boolean checkSwitchExists() { 492 File f = new File(getSwitchStatePath()); 493 return f.exists(); 494 } 495 computeNewHeadsetState(int headsetState, int switchState)496 public int computeNewHeadsetState(int headsetState, int switchState) { 497 int preserveMask = ~(mState1Bits | mState2Bits | mStateNbits); 498 int setBits = ((switchState == 1) ? mState1Bits : 499 ((switchState == 2) ? mState2Bits : 500 ((switchState == mStateNbits) ? mStateNbits : 0))); 501 502 return ((headsetState & preserveMask) | setBits); 503 } 504 } 505 } 506 507 private class WiredAccessoryExtconObserver extends ExtconStateObserver<Pair<Integer, Integer>> { 508 private final List<ExtconInfo> mExtconInfos; 509 WiredAccessoryExtconObserver()510 WiredAccessoryExtconObserver() { 511 mExtconInfos = ExtconInfo.getExtconInfoForTypes(new String[] { 512 ExtconInfo.EXTCON_HEADPHONE, 513 ExtconInfo.EXTCON_MICROPHONE, 514 ExtconInfo.EXTCON_HDMI, 515 ExtconInfo.EXTCON_LINE_OUT, 516 }); 517 } 518 init()519 private void init() { 520 for (ExtconInfo extconInfo : mExtconInfos) { 521 Pair<Integer, Integer> state = null; 522 try { 523 state = parseStateFromFile(extconInfo); 524 } catch (FileNotFoundException e) { 525 Slog.w(TAG, extconInfo.getStatePath() 526 + " not found while attempting to determine initial state", e); 527 } catch (IOException e) { 528 Slog.e( 529 TAG, 530 "Error reading " + extconInfo.getStatePath() 531 + " while attempting to determine initial state", 532 e); 533 } 534 if (state != null) { 535 updateState(extconInfo, extconInfo.getName(), state); 536 } 537 if (LOG) Slog.d(TAG, "observing " + extconInfo.getName()); 538 startObserving(extconInfo); 539 } 540 541 } 542 543 @Override parseState(ExtconInfo extconInfo, String status)544 public Pair<Integer, Integer> parseState(ExtconInfo extconInfo, String status) { 545 if (LOG) Slog.v(TAG, "status " + status); 546 int[] maskAndState = {0, 0}; 547 // extcon event state changes from kernel4.9 548 // new state will be like STATE=MICROPHONE=1\nHEADPHONE=0 549 if (extconInfo.hasCableType(ExtconInfo.EXTCON_HEADPHONE)) { 550 updateBit(maskAndState, BIT_HEADSET_NO_MIC, status, ExtconInfo.EXTCON_HEADPHONE); 551 } 552 if (extconInfo.hasCableType(ExtconInfo.EXTCON_MICROPHONE)) { 553 updateBit(maskAndState, BIT_HEADSET, status, ExtconInfo.EXTCON_MICROPHONE); 554 } 555 if (extconInfo.hasCableType(ExtconInfo.EXTCON_HDMI)) { 556 updateBit(maskAndState, BIT_HDMI_AUDIO, status, ExtconInfo.EXTCON_HDMI); 557 } 558 if (extconInfo.hasCableType(ExtconInfo.EXTCON_LINE_OUT)) { 559 updateBit(maskAndState, BIT_LINEOUT, status, ExtconInfo.EXTCON_LINE_OUT); 560 } 561 if (LOG) Slog.v(TAG, "mask " + maskAndState[0] + " state " + maskAndState[1]); 562 return Pair.create(maskAndState[0], maskAndState[1]); 563 } 564 565 @Override updateState(ExtconInfo extconInfo, String name, Pair<Integer, Integer> maskAndState)566 public void updateState(ExtconInfo extconInfo, String name, 567 Pair<Integer, Integer> maskAndState) { 568 synchronized (mLock) { 569 int mask = maskAndState.first; 570 int state = maskAndState.second; 571 updateLocked( 572 name, 573 mHeadsetState & ~(mask & ~state) | (mask & state), 574 false /*isSynchronous*/); 575 return; 576 } 577 } 578 } 579 580 /** 581 * Updates the mask bit at {@code position} to 1 and the state bit at {@code position} to true 582 * if {@code name=1} or false if {}@code name=0} is contained in {@code state}. 583 */ updateBit(int[] maskAndState, int position, String state, String name)584 private static void updateBit(int[] maskAndState, int position, String state, String name) { 585 maskAndState[0] |= position; 586 if (state.contains(name + "=1")) { 587 maskAndState[0] |= position; 588 maskAndState[1] |= position; 589 } else if (state.contains(name + "=0")) { 590 maskAndState[0] |= position; 591 maskAndState[1] &= ~position; 592 } 593 } 594 } 595