src/com/android/settings/bluetooth/DockService.java

   1 /*
   2  * Copyright (C) 2009 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.settings.bluetooth;
  18
  19 import com.android.settings.R;
  20 import com.android.settings.bluetooth.LocalBluetoothProfileManager.Profile;
  21 import com.android.settings.bluetooth.LocalBluetoothProfileManager.ServiceListener;
  22
  23 import android.app.AlertDialog;
  24 import android.app.Notification;
  25 import android.app.Service;
  26 import android.bluetooth.BluetoothA2dp;
  27 import android.bluetooth.BluetoothAdapter;
  28 import android.bluetooth.BluetoothDevice;
  29 import android.bluetooth.BluetoothHeadset;
  30 import android.bluetooth.BluetoothProfile;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.content.Intent;
  34 import android.content.IntentFilter;
  35 import android.content.SharedPreferences;
  36 import android.os.Handler;
  37 import android.os.HandlerThread;
  38 import android.os.IBinder;
  39 import android.os.Looper;
  40 import android.os.Message;
  41 import android.util.Log;
  42 import android.view.LayoutInflater;
  43 import android.view.View;
  44 import android.view.WindowManager;
  45 import android.widget.CheckBox;
  46 import android.widget.CompoundButton;
  47
  48 import java.util.List;
  49 import java.util.Set;
  50
  51 public class DockService extends Service implements AlertDialog.OnMultiChoiceClickListener,
  52         DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  53         CompoundButton.OnCheckedChangeListener, ServiceListener {
  54
  55     private static final String TAG = "DockService";
  56
  57     static final boolean DEBUG = false;
  58
  59     // Time allowed for the device to be undocked and redocked without severing
  60     // the bluetooth connection
  61     private static final long UNDOCKED_GRACE_PERIOD = 1000;
  62
  63     // Time allowed for the device to be undocked and redocked without turning
  64     // off Bluetooth
  65     private static final long DISABLE_BT_GRACE_PERIOD = 2000;
  66
  67     // Msg for user wanting the UI to setup the dock
  68     private static final int MSG_TYPE_SHOW_UI = 111;
  69
  70     // Msg for device docked event
  71     private static final int MSG_TYPE_DOCKED = 222;
  72
  73     // Msg for device undocked event
  74     private static final int MSG_TYPE_UNDOCKED_TEMPORARY = 333;
  75
  76     // Msg for undocked command to be process after UNDOCKED_GRACE_PERIOD millis
  77     // since MSG_TYPE_UNDOCKED_TEMPORARY
  78     private static final int MSG_TYPE_UNDOCKED_PERMANENT = 444;
  79
  80     // Msg for disabling bt after DISABLE_BT_GRACE_PERIOD millis since
  81     // MSG_TYPE_UNDOCKED_PERMANENT
  82     private static final int MSG_TYPE_DISABLE_BT = 555;
  83
  84     private static final String SHARED_PREFERENCES_NAME = "dock_settings";
  85
  86     private static final String SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED =
  87         "disable_bt_when_undock";
  88
  89     private static final String SHARED_PREFERENCES_KEY_DISABLE_BT =
  90         "disable_bt";
  91
  92     private static final String SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT =
  93         "connect_retry_count";
  94
  95     /*
  96      * If disconnected unexpectedly, reconnect up to 6 times. Each profile counts
  97      * as one time so it's only 3 times for both profiles on the car dock.
  98      */
  99     private static final int MAX_CONNECT_RETRY = 6;
 100
 101     private static final int INVALID_STARTID = -100;
 102
 103     // Created in OnCreate()
 104     private volatile Looper mServiceLooper;
 105     private volatile ServiceHandler mServiceHandler;
 106     private Runnable mRunnable;
 107     private DockService mContext;
 108     private LocalBluetoothManager mBtManager;
 109
 110     // Normally set after getting a docked event and unset when the connection
 111     // is severed. One exception is that mDevice could be null if the service
 112     // was started after the docked event.
 113     private BluetoothDevice mDevice;
 114
 115     // Created and used for the duration of the dialog
 116     private AlertDialog mDialog;
 117     private Profile[] mProfiles;
 118     private boolean[] mCheckedItems;
 119     private int mStartIdAssociatedWithDialog;
 120
 121     // Set while BT is being enabled.
 122     private BluetoothDevice mPendingDevice;
 123     private int mPendingStartId;
 124     private int mPendingTurnOnStartId = INVALID_STARTID;
 125     private int mPendingTurnOffStartId = INVALID_STARTID;
 126
 127     @Override
 128     public void onCreate() {
 129         if (DEBUG) Log.d(TAG, "onCreate");
 130
 131         mBtManager = LocalBluetoothManager.getInstance(this);
 132         mContext = this;
 133
 134         HandlerThread thread = new HandlerThread("DockService");
 135         thread.start();
 136
 137         mServiceLooper = thread.getLooper();
 138         mServiceHandler = new ServiceHandler(mServiceLooper);
 139     }
 140
 141     @Override
 142     public void onDestroy() {
 143         if (DEBUG) Log.d(TAG, "onDestroy");
 144         mRunnable = null;
 145         LocalBluetoothProfileManager.removeServiceListener(this);
 146         if (mDialog != null) {
 147             mDialog.dismiss();
 148             mDialog = null;
 149         }
 150         mServiceLooper.quit();
 151     }
 152
 153     @Override
 154     public IBinder onBind(Intent intent) {
 155         // not supported
 156         return null;
 157     }
 158
 159     @Override
 160     public int onStartCommand(Intent intent, int flags, int startId) {
 161         if (DEBUG) Log.d(TAG, "onStartCommand startId:" + startId + " flags: " + flags);
 162
 163         if (intent == null) {
 164             // Nothing to process, stop.
 165             if (DEBUG) Log.d(TAG, "START_NOT_STICKY - intent is null.");
 166
 167             // NOTE: We MUST not call stopSelf() directly, since we need to
 168             // make sure the wake lock acquired by the Receiver is released.
 169             DockEventReceiver.finishStartingService(this, startId);
 170             return START_NOT_STICKY;
 171         }
 172
 173         if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
 174             handleBtStateChange(intent, startId);
 175             return START_NOT_STICKY;
 176         }
 177
 178         /*
 179          * This assumes that the intent sender has checked that this is a dock
 180          * and that the intent is for a disconnect
 181          */
 182         if (BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) {
 183             BluetoothDevice disconnectedDevice = intent
 184                     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 185
 186             int retryCount = getSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, 0);
 187             if (retryCount < MAX_CONNECT_RETRY) {
 188                 setSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, retryCount + 1);
 189                 handleUnexpectedDisconnect(disconnectedDevice, Profile.HEADSET, startId);
 190             }
 191             return START_NOT_STICKY;
 192         } else if (BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) {
 193             BluetoothDevice disconnectedDevice = intent
 194                     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 195
 196             int retryCount = getSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, 0);
 197             if (retryCount < MAX_CONNECT_RETRY) {
 198                 setSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, retryCount + 1);
 199                 handleUnexpectedDisconnect(disconnectedDevice, Profile.A2DP, startId);
 200             }
 201             return START_NOT_STICKY;
 202         }
 203
 204         Message msg = parseIntent(intent);
 205         if (msg == null) {
 206             // Bad intent
 207             if (DEBUG) Log.d(TAG, "START_NOT_STICKY - Bad intent.");
 208             DockEventReceiver.finishStartingService(this, startId);
 209             return START_NOT_STICKY;
 210         }
 211
 212         if (msg.what == MSG_TYPE_DOCKED) {
 213             removeSetting(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT);
 214         }
 215
 216         msg.arg2 = startId;
 217         processMessage(msg);
 218
 219         return START_NOT_STICKY;
 220     }
 221
 222     private final class ServiceHandler extends Handler {
 223         public ServiceHandler(Looper looper) {
 224             super(looper);
 225         }
 226
 227         @Override
 228         public void handleMessage(Message msg) {
 229             processMessage(msg);
 230         }
 231     }
 232
 233     // This method gets messages from both onStartCommand and mServiceHandler/mServiceLooper
 234     private synchronized void processMessage(Message msg) {
 235         int msgType = msg.what;
 236         final int state = msg.arg1;
 237         final int startId = msg.arg2;
 238         boolean deferFinishCall = false;
 239         BluetoothDevice device = null;
 240         if (msg.obj != null) {
 241             device = (BluetoothDevice) msg.obj;
 242         }
 243
 244         if(DEBUG) Log.d(TAG, "processMessage: " + msgType + " state: " + state + " device = "
 245                 + (device == null ? "null" : device.toString()));
 246
 247         switch (msgType) {
 248             case MSG_TYPE_SHOW_UI:
 249                 if (mDialog != null) {
 250                     // Shouldn't normally happen
 251                     mDialog.dismiss();
 252                     mDialog = null;
 253                 }
 254                 mDevice = device;
 255                 createDialog(mContext, mDevice, state, startId);
 256                 break;
 257
 258             case MSG_TYPE_DOCKED:
 259                 if (DEBUG) {
 260                     // TODO figure out why hasMsg always returns false if device
 261                     // is supplied
 262                     Log.d(TAG, "1 Has undock perm msg = "
 263                             + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, mDevice));
 264                     Log.d(TAG, "2 Has undock perm msg = "
 265                             + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, device));
 266                 }
 267
 268                 mServiceHandler.removeMessages(MSG_TYPE_UNDOCKED_PERMANENT);
 269                 mServiceHandler.removeMessages(MSG_TYPE_DISABLE_BT);
 270                 removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
 271
 272                 if (!device.equals(mDevice)) {
 273                     if (mDevice != null) {
 274                         // Not expected. Cleanup/undock existing
 275                         handleUndocked(mContext, mBtManager, mDevice);
 276                     }
 277
 278                     mDevice = device;
 279
 280                     // Register first in case LocalBluetoothProfileManager
 281                     // becomes ready after isManagerReady is called and it
 282                     // would be too late to register a service listener.
 283                     LocalBluetoothProfileManager.addServiceListener(this);
 284                     if (LocalBluetoothProfileManager.isManagerReady()) {
 285                         handleDocked(device, state, startId);
 286                         // Not needed after all
 287                         LocalBluetoothProfileManager.removeServiceListener(this);
 288                     } else {
 289                         final BluetoothDevice d = device;
 290                         mRunnable = new Runnable() {
 291                             public void run() {
 292                                 handleDocked(d, state, startId);
 293                             }
 294                         };
 295                         deferFinishCall = true;
 296                     }
 297                 }
 298                 break;
 299
 300             case MSG_TYPE_UNDOCKED_PERMANENT:
 301                 // Grace period passed. Disconnect.
 302                 handleUndocked(mContext, mBtManager, device);
 303
 304                 if (DEBUG) {
 305                     Log.d(TAG, "DISABLE_BT_WHEN_UNDOCKED = "
 306                             + getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED));
 307                 }
 308
 309                 if (getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED)) {
 310                     // BT was disabled when we first docked
 311                     if (!hasOtherConnectedDevices(device)) {
 312                         if(DEBUG) Log.d(TAG, "QUEUED BT DISABLE");
 313                         // Queue a delayed msg to disable BT
 314                         Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_DISABLE_BT, 0,
 315                                 startId, null);
 316                         mServiceHandler.sendMessageDelayed(newMsg, DISABLE_BT_GRACE_PERIOD);
 317                         deferFinishCall = true;
 318                     } else {
 319                         // Don't disable BT if something is connected
 320                         removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
 321                     }
 322                 }
 323                 break;
 324
 325             case MSG_TYPE_UNDOCKED_TEMPORARY:
 326                 // Undocked event received. Queue a delayed msg to sever connection
 327                 Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_UNDOCKED_PERMANENT, state,
 328                         startId, device);
 329                 mServiceHandler.sendMessageDelayed(newMsg, UNDOCKED_GRACE_PERIOD);
 330                 break;
 331
 332             case MSG_TYPE_DISABLE_BT:
 333                 if(DEBUG) Log.d(TAG, "BT DISABLE");
 334                 if (mBtManager.getBluetoothAdapter().disable()) {
 335                     removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
 336                 } else {
 337                     // disable() returned an error. Persist a flag to disable BT later
 338                     setSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT, true);
 339                     mPendingTurnOffStartId = startId;
 340                     deferFinishCall = true;
 341                     if(DEBUG) Log.d(TAG, "disable failed. try again later " + startId);
 342                 }
 343                 break;
 344         }
 345
 346         if (mDialog == null && mPendingDevice == null && msgType != MSG_TYPE_UNDOCKED_TEMPORARY
 347                 && !deferFinishCall) {
 348             // NOTE: We MUST not call stopSelf() directly, since we need to
 349             // make sure the wake lock acquired by the Receiver is released.
 350             DockEventReceiver.finishStartingService(DockService.this, startId);
 351         }
 352     }
 353
 354     public synchronized boolean hasOtherConnectedDevices(BluetoothDevice dock) {
 355         List<CachedBluetoothDevice> cachedDevices = mBtManager.getCachedDeviceManager()
 356                 .getCachedDevicesCopy();
 357         Set<BluetoothDevice> btDevices = mBtManager.getBluetoothAdapter().getBondedDevices();
 358         if (btDevices == null || cachedDevices == null || btDevices.size() == 0) {
 359             return false;
 360         }
 361         if(DEBUG) Log.d(TAG, "btDevices = " + btDevices.size());
 362         if(DEBUG) Log.d(TAG, "cachedDevices = " + cachedDevices.size());
 363
 364         for (CachedBluetoothDevice device : cachedDevices) {
 365             BluetoothDevice btDevice = device.getDevice();
 366             if (!btDevice.equals(dock) && btDevices.contains(btDevice) && device.isConnected()) {
 367                 if(DEBUG) Log.d(TAG, "connected device = " + device.getName());
 368                 return true;
 369             }
 370         }
 371         return false;
 372     }
 373
 374     private Message parseIntent(Intent intent) {
 375         BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 376         int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1234);
 377
 378         if (DEBUG) {
 379             Log.d(TAG, "Action: " + intent.getAction() + " State:" + state
 380                     + " Device: " + (device == null ? "null" : device.getName()));
 381         }
 382
 383         if (device == null) {
 384             Log.w(TAG, "device is null");
 385             return null;
 386         }
 387
 388         int msgType;
 389         switch (state) {
 390             case Intent.EXTRA_DOCK_STATE_UNDOCKED:
 391                 msgType = MSG_TYPE_UNDOCKED_TEMPORARY;
 392                 break;
 393             case Intent.EXTRA_DOCK_STATE_DESK:
 394             case Intent.EXTRA_DOCK_STATE_CAR:
 395                 if (DockEventReceiver.ACTION_DOCK_SHOW_UI.equals(intent.getAction())) {
 396                     msgType = MSG_TYPE_SHOW_UI;
 397                 } else {
 398                     msgType = MSG_TYPE_DOCKED;
 399                 }
 400                 break;
 401             default:
 402                 return null;
 403         }
 404
 405         return mServiceHandler.obtainMessage(msgType, state, 0, device);
 406     }
 407
 408     private boolean createDialog(DockService service, BluetoothDevice device, int state,
 409             int startId) {
 410         switch (state) {
 411             case Intent.EXTRA_DOCK_STATE_CAR:
 412             case Intent.EXTRA_DOCK_STATE_DESK:
 413                 break;
 414             default:
 415                 return false;
 416         }
 417
 418         startForeground(0, new Notification());
 419
 420         // Device in a new dock.
 421         boolean firstTime = !mBtManager.hasDockAutoConnectSetting(device.getAddress());
 422
 423         CharSequence[] items = initBtSettings(service, device, state, firstTime);
 424
 425         final AlertDialog.Builder ab = new AlertDialog.Builder(service);
 426         ab.setTitle(service.getString(R.string.bluetooth_dock_settings_title));
 427
 428         // Profiles
 429         ab.setMultiChoiceItems(items, mCheckedItems, service);
 430
 431         // Remember this settings
 432         LayoutInflater inflater = (LayoutInflater) service
 433                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 434         float pixelScaleFactor = service.getResources().getDisplayMetrics().density;
 435         View view = inflater.inflate(R.layout.remember_dock_setting, null);
 436         CheckBox rememberCheckbox = (CheckBox) view.findViewById(R.id.remember);
 437
 438         // check "Remember setting" by default if no value was saved
 439         boolean checked = firstTime || mBtManager.getDockAutoConnectSetting(device.getAddress());
 440         rememberCheckbox.setChecked(checked);
 441         rememberCheckbox.setOnCheckedChangeListener(this);
 442         int viewSpacingLeft = (int) (14 * pixelScaleFactor);
 443         int viewSpacingRight = (int) (14 * pixelScaleFactor);
 444         ab.setView(view, viewSpacingLeft, 0 /* top */, viewSpacingRight, 0 /* bottom */);
 445         if (DEBUG) {
 446             Log.d(TAG, "Auto connect = "
 447                     + mBtManager.getDockAutoConnectSetting(device.getAddress()));
 448         }
 449
 450         // Ok Button
 451         ab.setPositiveButton(service.getString(android.R.string.ok), service);
 452
 453         mStartIdAssociatedWithDialog = startId;
 454         mDialog = ab.create();
 455         mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
 456         mDialog.setOnDismissListener(service);
 457         mDialog.show();
 458         return true;
 459     }
 460
 461     // Called when the individual bt profiles are clicked.
 462     public void onClick(DialogInterface dialog, int which, boolean isChecked) {
 463         if (DEBUG) Log.d(TAG, "Item " + which + " changed to " + isChecked);
 464         mCheckedItems[which] = isChecked;
 465     }
 466
 467     // Called when the "Remember" Checkbox is clicked
 468     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 469         if (DEBUG) Log.d(TAG, "onCheckedChanged: Remember Settings = " + isChecked);
 470         if (mDevice != null) {
 471             mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), isChecked);
 472         }
 473     }
 474
 475     // Called when the dialog is dismissed
 476     public void onDismiss(DialogInterface dialog) {
 477         // NOTE: We MUST not call stopSelf() directly, since we need to
 478         // make sure the wake lock acquired by the Receiver is released.
 479         if (mPendingDevice == null) {
 480             DockEventReceiver.finishStartingService(mContext, mStartIdAssociatedWithDialog);
 481         }
 482         mContext.stopForeground(true);
 483     }
 484
 485     // Called when clicked on the OK button
 486     public void onClick(DialogInterface dialog, int which) {
 487         if (which == DialogInterface.BUTTON_POSITIVE && mDevice != null) {
 488             if (!mBtManager.hasDockAutoConnectSetting(mDevice.getAddress())) {
 489                 mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), true);
 490             }
 491
 492             applyBtSettings(mDevice, mStartIdAssociatedWithDialog);
 493         }
 494     }
 495
 496     private CharSequence[] initBtSettings(DockService service, BluetoothDevice device, int state,
 497             boolean firstTime) {
 498         // TODO Avoid hardcoding dock and profiles. Read from system properties
 499         int numOfProfiles = 0;
 500         switch (state) {
 501             case Intent.EXTRA_DOCK_STATE_DESK:
 502                 numOfProfiles = 1;
 503                 break;
 504             case Intent.EXTRA_DOCK_STATE_CAR:
 505                 numOfProfiles = 2;
 506                 break;
 507             default:
 508                 return null;
 509         }
 510
 511         mProfiles = new Profile[numOfProfiles];
 512         mCheckedItems = new boolean[numOfProfiles];
 513         CharSequence[] items = new CharSequence[numOfProfiles];
 514
 515         switch (state) {
 516             case Intent.EXTRA_DOCK_STATE_CAR:
 517                 items[0] = service.getString(R.string.bluetooth_dock_settings_headset);
 518                 items[1] = service.getString(R.string.bluetooth_dock_settings_a2dp);
 519                 mProfiles[0] = Profile.HEADSET;
 520                 mProfiles[1] = Profile.A2DP;
 521                 if (firstTime) {
 522                     // Enable by default for car dock
 523                     mCheckedItems[0] = true;
 524                     mCheckedItems[1] = true;
 525                 } else {
 526                     mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
 527                             Profile.HEADSET).isPreferred(device);
 528                     mCheckedItems[1] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
 529                             Profile.A2DP).isPreferred(device);
 530                 }
 531                 break;
 532
 533             case Intent.EXTRA_DOCK_STATE_DESK:
 534                 items[0] = service.getString(R.string.bluetooth_dock_settings_a2dp);
 535                 mProfiles[0] = Profile.A2DP;
 536                 if (firstTime) {
 537                     // Disable by default for desk dock
 538                     mCheckedItems[0] = false;
 539                 } else {
 540                     mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
 541                             Profile.A2DP).isPreferred(device);
 542                 }
 543                 break;
 544         }
 545         return items;
 546     }
 547
 548     private void handleBtStateChange(Intent intent, int startId) {
 549         int btState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
 550         synchronized (this) {
 551             if(DEBUG) Log.d(TAG, "BtState = " + btState + " mPendingDevice = " + mPendingDevice);
 552             if (btState == BluetoothAdapter.STATE_ON) {
 553                 if (mPendingDevice != null) {
 554                     if (mPendingDevice.equals(mDevice)) {
 555                         if(DEBUG) Log.d(TAG, "applying settings");
 556                         applyBtSettings(mPendingDevice, mPendingStartId);
 557                     } else if(DEBUG) {
 558                         Log.d(TAG, "mPendingDevice  (" + mPendingDevice + ") != mDevice ("
 559                                 + mDevice + ")");
 560                     }
 561
 562                     mPendingDevice = null;
 563                     DockEventReceiver.finishStartingService(mContext, mPendingStartId);
 564                 } else {
 565                     if (DEBUG) {
 566                         Log.d(TAG, "A DISABLE_BT_WHEN_UNDOCKED = "
 567                                 + getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED));
 568                     }
 569                     // Reconnect if docked and bluetooth was enabled by user.
 570                     Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
 571                     if (i != null) {
 572                         int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE,
 573                                 Intent.EXTRA_DOCK_STATE_UNDOCKED);
 574                         if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
 575                             BluetoothDevice device = i
 576                                     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 577                             if (device != null) {
 578                                 connectIfEnabled(device);
 579                             }
 580                         } else if (getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT)
 581                                 && mBtManager.getBluetoothAdapter().disable()) {
 582                             mPendingTurnOffStartId = startId;
 583                             removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
 584                             return;
 585                         }
 586                     }
 587                 }
 588
 589                 if (mPendingTurnOnStartId != INVALID_STARTID) {
 590                     DockEventReceiver.finishStartingService(this, mPendingTurnOnStartId);
 591                     mPendingTurnOnStartId = INVALID_STARTID;
 592                 }
 593
 594                 DockEventReceiver.finishStartingService(this, startId);
 595             } else if (btState == BluetoothAdapter.STATE_TURNING_OFF) {
 596                 // Remove the flag to disable BT if someone is turning off bt.
 597                 // The rational is that:
 598                 // a) if BT is off at undock time, no work needs to be done
 599                 // b) if BT is on at undock time, the user wants it on.
 600                 removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
 601                 DockEventReceiver.finishStartingService(this, startId);
 602             } else if (btState == BluetoothAdapter.STATE_OFF) {
 603                 // Bluetooth was turning off as we were trying to turn it on.
 604                 // Let's try again
 605                 if(DEBUG) Log.d(TAG, "Bluetooth = OFF mPendingDevice = " + mPendingDevice);
 606
 607                 if (mPendingTurnOffStartId != INVALID_STARTID) {
 608                     DockEventReceiver.finishStartingService(this, mPendingTurnOffStartId);
 609                     removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
 610                     mPendingTurnOffStartId = INVALID_STARTID;
 611                 }
 612
 613                 if (mPendingDevice != null) {
 614                     mBtManager.getBluetoothAdapter().enable();
 615                     mPendingTurnOnStartId = startId;
 616                 } else {
 617                     DockEventReceiver.finishStartingService(this, startId);
 618                 }
 619             }
 620         }
 621     }
 622
 623     private void handleUnexpectedDisconnect(BluetoothDevice disconnectedDevice, Profile profile,
 624             int startId) {
 625         synchronized (this) {
 626             if (DEBUG) Log.d(TAG, "handling failed connect for " + disconnectedDevice);
 627
 628             // Reconnect if docked.
 629             if (disconnectedDevice != null) {
 630                 // registerReceiver can't be called from a BroadcastReceiver
 631                 Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
 632                 if (i != null) {
 633                     int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE,
 634                             Intent.EXTRA_DOCK_STATE_UNDOCKED);
 635                     if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
 636                         BluetoothDevice dockedDevice = i
 637                                 .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 638                         if (dockedDevice != null && dockedDevice.equals(disconnectedDevice)) {
 639                             CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext,
 640                                     mBtManager, dockedDevice);
 641                             cachedDevice.connect(profile);
 642                         }
 643                     }
 644                 }
 645             }
 646
 647             DockEventReceiver.finishStartingService(this, startId);
 648         }
 649     }
 650
 651     private synchronized void connectIfEnabled(BluetoothDevice device) {
 652         CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager, device);
 653         List<Profile> profiles = cachedDevice.getConnectableProfiles();
 654         for (int i = 0; i < profiles.size(); i++) {
 655             LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
 656                     .getProfileManager(mBtManager, profiles.get(i));
 657             int auto;
 658             if (Profile.A2DP == profiles.get(i)) {
 659                 auto = BluetoothA2dp.PRIORITY_AUTO_CONNECT;
 660             } else if (Profile.HEADSET == profiles.get(i)) {
 661                 auto = BluetoothHeadset.PRIORITY_AUTO_CONNECT;
 662             } else {
 663                 continue;
 664             }
 665
 666             if (profileManager.getPreferred(device) == auto) {
 667                 cachedDevice.connect();
 668                 break;
 669             }
 670         }
 671     }
 672
 673     private synchronized void applyBtSettings(final BluetoothDevice device, int startId) {
 674         if (device == null || mProfiles == null || mCheckedItems == null)
 675             return;
 676
 677         // Turn on BT if something is enabled
 678         synchronized (this) {
 679             for (boolean enable : mCheckedItems) {
 680                 if (enable) {
 681                     int btState = mBtManager.getBluetoothState();
 682                     if(DEBUG) Log.d(TAG, "BtState = " + btState);
 683                     // May have race condition as the phone comes in and out and in the dock.
 684                     // Always turn on BT
 685                     mBtManager.getBluetoothAdapter().enable();
 686
 687                     switch (btState) {
 688                         case BluetoothAdapter.STATE_OFF:
 689                         case BluetoothAdapter.STATE_TURNING_OFF:
 690                         case BluetoothAdapter.STATE_TURNING_ON:
 691                             if (mPendingDevice != null && mPendingDevice.equals(mDevice)) {
 692                                 return;
 693                             }
 694
 695                             mPendingDevice = device;
 696                             mPendingStartId = startId;
 697                             if (btState != BluetoothAdapter.STATE_TURNING_ON) {
 698                                 setSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED,
 699                                         true);
 700                             }
 701                             return;
 702                     }
 703                 }
 704             }
 705         }
 706
 707         mPendingDevice = null;
 708
 709         boolean callConnect = false;
 710         CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager,
 711                 device);
 712         for (int i = 0; i < mProfiles.length; i++) {
 713             LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
 714                     .getProfileManager(mBtManager, mProfiles[i]);
 715
 716             if (DEBUG) Log.d(TAG, mProfiles[i].toString() + " = " + mCheckedItems[i]);
 717
 718             if (mCheckedItems[i]) {
 719                 // Checked but not connected
 720                 callConnect = true;
 721             } else if (!mCheckedItems[i]) {
 722                 // Unchecked but connected
 723                 if (DEBUG) Log.d(TAG, "applyBtSettings - Disconnecting");
 724                 cachedDevice.disconnect(mProfiles[i]);
 725             }
 726             profileManager.setPreferred(device, mCheckedItems[i]);
 727             if (DEBUG) {
 728                 if (mCheckedItems[i] != profileManager.isPreferred(device)) {
 729                     Log.e(TAG, "Can't save prefered value");
 730                 }
 731             }
 732         }
 733
 734         if (callConnect) {
 735             if (DEBUG) Log.d(TAG, "applyBtSettings - Connecting");
 736             cachedDevice.connect();
 737         }
 738     }
 739
 740     private synchronized void handleDocked(final BluetoothDevice device, final int state,
 741             final int startId) {
 742         if (mBtManager.getDockAutoConnectSetting(device.getAddress())) {
 743             // Setting == auto connect
 744             initBtSettings(mContext, device, state, false);
 745             applyBtSettings(mDevice, startId);
 746         } else {
 747             createDialog(mContext, device, state, startId);
 748         }
 749     }
 750
 751     private synchronized void handleUndocked(Context context, LocalBluetoothManager localManager,
 752             BluetoothDevice device) {
 753         mRunnable = null;
 754         LocalBluetoothProfileManager.removeServiceListener(this);
 755         if (mDialog != null) {
 756             mDialog.dismiss();
 757             mDialog = null;
 758         }
 759         mDevice = null;
 760         mPendingDevice = null;
 761         CachedBluetoothDevice cachedBluetoothDevice = getCachedBluetoothDevice(context,
 762                 localManager, device);
 763         cachedBluetoothDevice.disconnect();
 764     }
 765
 766     private static CachedBluetoothDevice getCachedBluetoothDevice(Context context,
 767             LocalBluetoothManager localManager, BluetoothDevice device) {
 768         CachedBluetoothDeviceManager cachedDeviceManager = localManager.getCachedDeviceManager();
 769         CachedBluetoothDevice cachedBluetoothDevice = cachedDeviceManager.findDevice(device);
 770         if (cachedBluetoothDevice == null) {
 771             cachedBluetoothDevice = new CachedBluetoothDevice(context, device);
 772         }
 773         return cachedBluetoothDevice;
 774     }
 775
 776     private boolean getSettingBool(String key) {
 777         SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
 778                 Context.MODE_PRIVATE);
 779         return sharedPref.getBoolean(key, false);
 780     }
 781
 782     private int getSettingInt(String key, int defaultValue) {
 783         SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
 784                 Context.MODE_PRIVATE);
 785         return sharedPref.getInt(key, defaultValue);
 786     }
 787
 788     private void setSettingBool(String key, boolean bool) {
 789         SharedPreferences.Editor editor = getSharedPreferences(SHARED_PREFERENCES_NAME,
 790                 Context.MODE_PRIVATE).edit();
 791         editor.putBoolean(key, bool);
 792         editor.apply();
 793     }
 794
 795     private void setSettingInt(String key, int value) {
 796         SharedPreferences.Editor editor = getSharedPreferences(SHARED_PREFERENCES_NAME,
 797                 Context.MODE_PRIVATE).edit();
 798         editor.putInt(key, value);
 799         editor.apply();
 800     }
 801
 802     private void removeSetting(String key) {
 803         SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
 804                 Context.MODE_PRIVATE);
 805         SharedPreferences.Editor editor = sharedPref.edit();
 806         editor.remove(key);
 807         editor.apply();
 808     }
 809
 810     public synchronized void onServiceConnected() {
 811         if (mRunnable != null) {
 812             mRunnable.run();
 813             mRunnable = null;
 814             LocalBluetoothProfileManager.removeServiceListener(this);
 815         }
 816     }
 817
 818     public void onServiceDisconnected() {
 819     }
 820 }