DockService.java revision ae3311e5bd7b146eb4e1bc6310cbaba051776fb4 
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
17package com.android.settings.bluetooth;
18
19import com.android.settings.R;
20import com.android.settings.bluetooth.LocalBluetoothProfileManager.Profile;
21
22import android.app.AlertDialog;
23import android.app.Notification;
24import android.app.Service;
25import android.bluetooth.BluetoothA2dp;
26import android.bluetooth.BluetoothAdapter;
27import android.bluetooth.BluetoothDevice;
28import android.bluetooth.BluetoothHeadset;
29import android.content.Context;
30import android.content.DialogInterface;
31import android.content.Intent;
32import android.content.IntentFilter;
33import android.content.SharedPreferences;
34import android.os.Handler;
35import android.os.HandlerThread;
36import android.os.IBinder;
37import android.os.Looper;
38import android.os.Message;
39import android.util.Log;
40import android.view.LayoutInflater;
41import android.view.View;
42import android.view.WindowManager;
43import android.widget.CheckBox;
44import android.widget.CompoundButton;
45
46import java.util.List;
47import java.util.Set;
48
49public class DockService extends Service implements AlertDialog.OnMultiChoiceClickListener,
50        DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
51        CompoundButton.OnCheckedChangeListener {
52
53    private static final String TAG = "DockService";
54
55    static final boolean DEBUG = false;
56
57    // Time allowed for the device to be undocked and redocked without severing
58    // the bluetooth connection
59    private static final long UNDOCKED_GRACE_PERIOD = 1000;
60
61    // Time allowed for the device to be undocked and redocked without turning
62    // off Bluetooth
63    private static final long DISABLE_BT_GRACE_PERIOD = 2000;
64
65    // Msg for user wanting the UI to setup the dock
66    private static final int MSG_TYPE_SHOW_UI = 111;
67
68    // Msg for device docked event
69    private static final int MSG_TYPE_DOCKED = 222;
70
71    // Msg for device undocked event
72    private static final int MSG_TYPE_UNDOCKED_TEMPORARY = 333;
73
74    // Msg for undocked command to be process after UNDOCKED_GRACE_PERIOD millis
75    // since MSG_TYPE_UNDOCKED_TEMPORARY
76    private static final int MSG_TYPE_UNDOCKED_PERMANENT = 444;
77
78    // Msg for disabling bt after DISABLE_BT_GRACE_PERIOD millis since
79    // MSG_TYPE_UNDOCKED_PERMANENT
80    private static final int MSG_TYPE_DISABLE_BT = 555;
81
82    private static final String SHARED_PREFERENCES_NAME = "dock_settings";
83
84    private static final String SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED =
85        "disable_bt_when_undock";
86
87    private static final String SHARED_PREFERENCES_KEY_DISABLE_BT =
88        "disable_bt";
89
90    private static final int INVALID_STARTID = -100;
91
92    // Created in OnCreate()
93    private volatile Looper mServiceLooper;
94    private volatile ServiceHandler mServiceHandler;
95    private DockService mContext;
96    private LocalBluetoothManager mBtManager;
97
98    // Normally set after getting a docked event and unset when the connection
99    // is severed. One exception is that mDevice could be null if the service
100    // was started after the docked event.
101    private BluetoothDevice mDevice;
102
103    // Created and used for the duration of the dialog
104    private AlertDialog mDialog;
105    private Profile[] mProfiles;
106    private boolean[] mCheckedItems;
107    private int mStartIdAssociatedWithDialog;
108
109    // Set while BT is being enabled.
110    private BluetoothDevice mPendingDevice;
111    private int mPendingStartId;
112    private int mPendingTurnOnStartId = INVALID_STARTID;
113    private int mPendingTurnOffStartId = INVALID_STARTID;
114
115    @Override
116    public void onCreate() {
117        if (DEBUG) Log.d(TAG, "onCreate");
118
119        mBtManager = LocalBluetoothManager.getInstance(this);
120        mContext = this;
121
122        HandlerThread thread = new HandlerThread("DockService");
123        thread.start();
124
125        mServiceLooper = thread.getLooper();
126        mServiceHandler = new ServiceHandler(mServiceLooper);
127    }
128
129    @Override
130    public void onDestroy() {
131        if (DEBUG) Log.d(TAG, "onDestroy");
132        if (mDialog != null) {
133            mDialog.dismiss();
134            mDialog = null;
135        }
136        mServiceLooper.quit();
137    }
138
139    @Override
140    public IBinder onBind(Intent intent) {
141        // not supported
142        return null;
143    }
144
145    @Override
146    public int onStartCommand(Intent intent, int flags, int startId) {
147        if (DEBUG) Log.d(TAG, "onStartCommand startId:" + startId + " flags: " + flags);
148
149        if (intent == null) {
150            // Nothing to process, stop.
151            if (DEBUG) Log.d(TAG, "START_NOT_STICKY - intent is null.");
152
153            // NOTE: We MUST not call stopSelf() directly, since we need to
154            // make sure the wake lock acquired by the Receiver is released.
155            DockEventReceiver.finishStartingService(this, startId);
156            return START_NOT_STICKY;
157        }
158
159        if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
160            handleBtStateChange(intent, startId);
161            return START_NOT_STICKY;
162        }
163
164        Message msg = parseIntent(intent);
165        if (msg == null) {
166            // Bad intent
167            if (DEBUG) Log.d(TAG, "START_NOT_STICKY - Bad intent.");
168            DockEventReceiver.finishStartingService(this, startId);
169            return START_NOT_STICKY;
170        }
171
172        msg.arg2 = startId;
173        processMessage(msg);
174
175        return START_NOT_STICKY;
176    }
177
178    private final class ServiceHandler extends Handler {
179        public ServiceHandler(Looper looper) {
180            super(looper);
181        }
182
183        @Override
184        public void handleMessage(Message msg) {
185            processMessage(msg);
186        }
187    }
188
189    // This method gets messages from both onStartCommand and mServiceHandler/mServiceLooper
190    private synchronized void processMessage(Message msg) {
191        int msgType = msg.what;
192        int state = msg.arg1;
193        int startId = msg.arg2;
194        boolean deferFinishCall = false;
195        BluetoothDevice device = null;
196        if (msg.obj != null) {
197            device = (BluetoothDevice) msg.obj;
198        }
199
200        if(DEBUG) Log.d(TAG, "processMessage: " + msgType + " state: " + state + " device = "
201                + (device == null ? "null" : device.toString()));
202
203        switch (msgType) {
204            case MSG_TYPE_SHOW_UI:
205                if (mDialog != null) {
206                    // Shouldn't normally happen
207                    mDialog.dismiss();
208                    mDialog = null;
209                }
210                mDevice = device;
211                createDialog(mContext, mDevice, state, startId);
212                break;
213
214            case MSG_TYPE_DOCKED:
215                if (DEBUG) {
216                    // TODO figure out why hasMsg always returns false if device
217                    // is supplied
218                    Log.d(TAG, "1 Has undock perm msg = "
219                            + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, mDevice));
220                    Log.d(TAG, "2 Has undock perm msg = "
221                            + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, device));
222                }
223
224                mServiceHandler.removeMessages(MSG_TYPE_UNDOCKED_PERMANENT);
225                mServiceHandler.removeMessages(MSG_TYPE_DISABLE_BT);
226                removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
227
228                if (!device.equals(mDevice)) {
229                    if (mDevice != null) {
230                        // Not expected. Cleanup/undock existing
231                        handleUndocked(mContext, mBtManager, mDevice);
232                    }
233
234                    mDevice = device;
235                    if (mBtManager.getDockAutoConnectSetting(device.getAddress())) {
236                        // Setting == auto connect
237                        initBtSettings(mContext, device, state, false);
238                        applyBtSettings(mDevice, startId);
239                    } else {
240                        createDialog(mContext, mDevice, state, startId);
241                    }
242                }
243                break;
244
245            case MSG_TYPE_UNDOCKED_PERMANENT:
246                // Grace period passed. Disconnect.
247                handleUndocked(mContext, mBtManager, device);
248
249                if (DEBUG) {
250                    Log.d(TAG, "DISABLE_BT_WHEN_UNDOCKED = "
251                            + getSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED));
252                }
253
254                if (getSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED)) {
255                    // BT was disabled when we first docked
256                    if (!hasOtherConnectedDevices(device)) {
257                        if(DEBUG) Log.d(TAG, "QUEUED BT DISABLE");
258                        // Queue a delayed msg to disable BT
259                        Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_DISABLE_BT, 0,
260                                startId, null);
261                        mServiceHandler.sendMessageDelayed(newMsg, DISABLE_BT_GRACE_PERIOD);
262                        deferFinishCall = true;
263                    } else {
264                        // Don't disable BT if something is connected
265                        removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
266                    }
267                }
268                break;
269
270            case MSG_TYPE_UNDOCKED_TEMPORARY:
271                // Undocked event received. Queue a delayed msg to sever connection
272                Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_UNDOCKED_PERMANENT, state,
273                        startId, device);
274                mServiceHandler.sendMessageDelayed(newMsg, UNDOCKED_GRACE_PERIOD);
275                break;
276
277            case MSG_TYPE_DISABLE_BT:
278                if(DEBUG) Log.d(TAG, "BT DISABLE");
279                if (mBtManager.getBluetoothAdapter().disable()) {
280                    removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
281                } else {
282                    // disable() returned an error. Persist a flag to disable BT later
283                    setSetting(SHARED_PREFERENCES_KEY_DISABLE_BT, true);
284                    mPendingTurnOffStartId = startId;
285                    deferFinishCall = true;
286                    if(DEBUG) Log.d(TAG, "disable failed. try again later " + startId);
287                }
288                break;
289        }
290
291        if (mDialog == null && mPendingDevice == null && msgType != MSG_TYPE_UNDOCKED_TEMPORARY
292                && !deferFinishCall) {
293            // NOTE: We MUST not call stopSelf() directly, since we need to
294            // make sure the wake lock acquired by the Receiver is released.
295            DockEventReceiver.finishStartingService(DockService.this, startId);
296        }
297    }
298
299    public synchronized boolean hasOtherConnectedDevices(BluetoothDevice dock) {
300        List<CachedBluetoothDevice> cachedDevices = mBtManager.getCachedDeviceManager()
301                .getCachedDevicesCopy();
302        Set<BluetoothDevice> btDevices = mBtManager.getBluetoothAdapter().getBondedDevices();
303        if (btDevices == null || cachedDevices == null || btDevices.size() == 0) {
304            return false;
305        }
306        if(DEBUG) Log.d(TAG, "btDevices = " + btDevices.size());
307        if(DEBUG) Log.d(TAG, "cachedDevices = " + cachedDevices.size());
308
309        for (CachedBluetoothDevice device : cachedDevices) {
310            BluetoothDevice btDevice = device.getDevice();
311            if (!btDevice.equals(dock) && btDevices.contains(btDevice) && device.isConnected()) {
312                if(DEBUG) Log.d(TAG, "connected device = " + device.getName());
313                return true;
314            }
315        }
316        return false;
317    }
318
319    private Message parseIntent(Intent intent) {
320        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
321        int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1234);
322
323        if (DEBUG) {
324            Log.d(TAG, "Action: " + intent.getAction() + " State:" + state
325                    + " Device: " + (device == null ? "null" : device.getName()));
326        }
327
328        if (device == null) {
329            Log.w(TAG, "device is null");
330            return null;
331        }
332
333        int msgType;
334        switch (state) {
335            case Intent.EXTRA_DOCK_STATE_UNDOCKED:
336                msgType = MSG_TYPE_UNDOCKED_TEMPORARY;
337                break;
338            case Intent.EXTRA_DOCK_STATE_DESK:
339            case Intent.EXTRA_DOCK_STATE_CAR:
340                if (DockEventReceiver.ACTION_DOCK_SHOW_UI.equals(intent.getAction())) {
341                    msgType = MSG_TYPE_SHOW_UI;
342                } else {
343                    msgType = MSG_TYPE_DOCKED;
344                }
345                break;
346            default:
347                return null;
348        }
349
350        return mServiceHandler.obtainMessage(msgType, state, 0, device);
351    }
352
353    private boolean createDialog(DockService service, BluetoothDevice device, int state,
354            int startId) {
355        switch (state) {
356            case Intent.EXTRA_DOCK_STATE_CAR:
357            case Intent.EXTRA_DOCK_STATE_DESK:
358                break;
359            default:
360                return false;
361        }
362
363        startForeground(0, new Notification());
364
365        // Device in a new dock.
366        boolean firstTime = !mBtManager.hasDockAutoConnectSetting(device.getAddress());
367
368        CharSequence[] items = initBtSettings(service, device, state, firstTime);
369
370        final AlertDialog.Builder ab = new AlertDialog.Builder(service);
371        ab.setTitle(service.getString(R.string.bluetooth_dock_settings_title));
372
373        // Profiles
374        ab.setMultiChoiceItems(items, mCheckedItems, service);
375
376        // Remember this settings
377        LayoutInflater inflater = (LayoutInflater) service
378                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
379        float pixelScaleFactor = service.getResources().getDisplayMetrics().density;
380        View view = inflater.inflate(R.layout.remember_dock_setting, null);
381        CheckBox rememberCheckbox = (CheckBox) view.findViewById(R.id.remember);
382
383        // check "Remember setting" by default if no value was saved
384        boolean checked = firstTime || mBtManager.getDockAutoConnectSetting(device.getAddress());
385        rememberCheckbox.setChecked(checked);
386        rememberCheckbox.setOnCheckedChangeListener(this);
387        int viewSpacingLeft = (int) (14 * pixelScaleFactor);
388        int viewSpacingRight = (int) (14 * pixelScaleFactor);
389        ab.setView(view, viewSpacingLeft, 0 /* top */, viewSpacingRight, 0 /* bottom */);
390        if (DEBUG) {
391            Log.d(TAG, "Auto connect = "
392                    + mBtManager.getDockAutoConnectSetting(device.getAddress()));
393        }
394
395        // Ok Button
396        ab.setPositiveButton(service.getString(android.R.string.ok), service);
397
398        mStartIdAssociatedWithDialog = startId;
399        mDialog = ab.create();
400        mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
401        mDialog.setOnDismissListener(service);
402        mDialog.show();
403        return true;
404    }
405
406    // Called when the individual bt profiles are clicked.
407    public void onClick(DialogInterface dialog, int which, boolean isChecked) {
408        if (DEBUG) Log.d(TAG, "Item " + which + " changed to " + isChecked);
409        mCheckedItems[which] = isChecked;
410    }
411
412    // Called when the "Remember" Checkbox is clicked
413    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
414        if (DEBUG) Log.d(TAG, "onCheckedChanged: Remember Settings = " + isChecked);
415        if (mDevice != null) {
416            mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), isChecked);
417        }
418    }
419
420    // Called when the dialog is dismissed
421    public void onDismiss(DialogInterface dialog) {
422        // NOTE: We MUST not call stopSelf() directly, since we need to
423        // make sure the wake lock acquired by the Receiver is released.
424        if (mPendingDevice == null) {
425            DockEventReceiver.finishStartingService(mContext, mStartIdAssociatedWithDialog);
426        }
427        mContext.stopForeground(true);
428    }
429
430    // Called when clicked on the OK button
431    public void onClick(DialogInterface dialog, int which) {
432        if (which == DialogInterface.BUTTON_POSITIVE && mDevice != null) {
433            if (!mBtManager.hasDockAutoConnectSetting(mDevice.getAddress())) {
434                mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), true);
435            }
436
437            applyBtSettings(mDevice, mStartIdAssociatedWithDialog);
438        }
439    }
440
441    private CharSequence[] initBtSettings(DockService service, BluetoothDevice device, int state,
442            boolean firstTime) {
443        // TODO Avoid hardcoding dock and profiles. Read from system properties
444        int numOfProfiles = 0;
445        switch (state) {
446            case Intent.EXTRA_DOCK_STATE_DESK:
447                numOfProfiles = 1;
448                break;
449            case Intent.EXTRA_DOCK_STATE_CAR:
450                numOfProfiles = 2;
451                break;
452            default:
453                return null;
454        }
455
456        mProfiles = new Profile[numOfProfiles];
457        mCheckedItems = new boolean[numOfProfiles];
458        CharSequence[] items = new CharSequence[numOfProfiles];
459
460        switch (state) {
461            case Intent.EXTRA_DOCK_STATE_CAR:
462                items[0] = service.getString(R.string.bluetooth_dock_settings_headset);
463                items[1] = service.getString(R.string.bluetooth_dock_settings_a2dp);
464                mProfiles[0] = Profile.HEADSET;
465                mProfiles[1] = Profile.A2DP;
466                if (firstTime) {
467                    // Enable by default for car dock
468                    mCheckedItems[0] = true;
469                    mCheckedItems[1] = true;
470                } else {
471                    mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
472                            Profile.HEADSET).isPreferred(device);
473                    mCheckedItems[1] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
474                            Profile.A2DP).isPreferred(device);
475                }
476                break;
477
478            case Intent.EXTRA_DOCK_STATE_DESK:
479                items[0] = service.getString(R.string.bluetooth_dock_settings_a2dp);
480                mProfiles[0] = Profile.A2DP;
481                if (firstTime) {
482                    // Disable by default for desk dock
483                    mCheckedItems[0] = false;
484                } else {
485                    mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
486                            Profile.A2DP).isPreferred(device);
487                }
488                break;
489        }
490        return items;
491    }
492
493    private void handleBtStateChange(Intent intent, int startId) {
494        int btState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
495        synchronized (this) {
496            if(DEBUG) Log.d(TAG, "BtState = " + btState + " mPendingDevice = " + mPendingDevice);
497            if (btState == BluetoothAdapter.STATE_ON) {
498                if (mPendingDevice != null) {
499                    if (mPendingDevice.equals(mDevice)) {
500                        if(DEBUG) Log.d(TAG, "applying settings");
501                        applyBtSettings(mPendingDevice, mPendingStartId);
502                    } else if(DEBUG) {
503                        Log.d(TAG, "mPendingDevice  (" + mPendingDevice + ") != mDevice ("
504                                + mDevice + ")");
505                    }
506
507                    mPendingDevice = null;
508                    DockEventReceiver.finishStartingService(mContext, mPendingStartId);
509                } else {
510                    if (DEBUG) {
511                        Log.d(TAG, "A DISABLE_BT_WHEN_UNDOCKED = "
512                                + getSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED));
513                    }
514                    // Reconnect if docked and bluetooth was enabled by user.
515                    Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
516                    if (i != null) {
517                        int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE,
518                                Intent.EXTRA_DOCK_STATE_UNDOCKED);
519                        if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
520                            BluetoothDevice device = i
521                                    .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
522                            if (device != null) {
523                                connectIfEnabled(device);
524                            }
525                        } else if (getSetting(SHARED_PREFERENCES_KEY_DISABLE_BT)
526                                && mBtManager.getBluetoothAdapter().disable()) {
527                            mPendingTurnOffStartId = startId;
528                            removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
529                            return;
530                        }
531                    }
532                }
533
534                if (mPendingTurnOnStartId != INVALID_STARTID) {
535                    DockEventReceiver.finishStartingService(this, mPendingTurnOnStartId);
536                    mPendingTurnOnStartId = INVALID_STARTID;
537                }
538
539                DockEventReceiver.finishStartingService(this, startId);
540            } else if (btState == BluetoothAdapter.STATE_TURNING_OFF) {
541                // Remove the flag to disable BT if someone is turning off bt.
542                // The rational is that:
543                // a) if BT is off at undock time, no work needs to be done
544                // b) if BT is on at undock time, the user wants it on.
545                removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
546                DockEventReceiver.finishStartingService(this, startId);
547            } else if (btState == BluetoothAdapter.STATE_OFF) {
548                // Bluetooth was turning off as we were trying to turn it on.
549                // Let's try again
550                if(DEBUG) Log.d(TAG, "Bluetooth = OFF mPendingDevice = " + mPendingDevice);
551
552                if (mPendingTurnOffStartId != INVALID_STARTID) {
553                    DockEventReceiver.finishStartingService(this, mPendingTurnOffStartId);
554                    removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
555                    mPendingTurnOffStartId = INVALID_STARTID;
556                }
557
558                if (mPendingDevice != null) {
559                    mBtManager.getBluetoothAdapter().enable();
560                    mPendingTurnOnStartId = startId;
561                } else {
562                    DockEventReceiver.finishStartingService(this, startId);
563                }
564            }
565        }
566    }
567
568    private synchronized void connectIfEnabled(BluetoothDevice device) {
569        CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager, device);
570        List<Profile> profiles = cachedDevice.getConnectableProfiles();
571        for (int i = 0; i < profiles.size(); i++) {
572            LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
573                    .getProfileManager(mBtManager, profiles.get(i));
574            int auto;
575            if (Profile.A2DP == profiles.get(i)) {
576                auto = BluetoothA2dp.PRIORITY_AUTO_CONNECT;
577            } else if (Profile.HEADSET == profiles.get(i)) {
578                auto = BluetoothHeadset.PRIORITY_AUTO_CONNECT;
579            } else {
580                continue;
581            }
582
583            if (profileManager.getPreferred(device) == auto) {
584                cachedDevice.connect();
585                break;
586            }
587        }
588    }
589
590    private synchronized void applyBtSettings(final BluetoothDevice device, int startId) {
591        if (device == null || mProfiles == null || mCheckedItems == null)
592            return;
593
594        // Turn on BT if something is enabled
595        synchronized (this) {
596            for (boolean enable : mCheckedItems) {
597                if (enable) {
598                    int btState = mBtManager.getBluetoothState();
599                    if(DEBUG) Log.d(TAG, "BtState = " + btState);
600                    // May have race condition as the phone comes in and out and in the dock.
601                    // Always turn on BT
602                    mBtManager.getBluetoothAdapter().enable();
603
604                    switch (btState) {
605                        case BluetoothAdapter.STATE_OFF:
606                        case BluetoothAdapter.STATE_TURNING_OFF:
607                        case BluetoothAdapter.STATE_TURNING_ON:
608                            if (mPendingDevice != null && mPendingDevice.equals(mDevice)) {
609                                return;
610                            }
611
612                            mPendingDevice = device;
613                            mPendingStartId = startId;
614                            if (btState != BluetoothAdapter.STATE_TURNING_ON) {
615                                setSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED, true);
616                            }
617                            return;
618                    }
619                }
620            }
621        }
622
623        mPendingDevice = null;
624
625        boolean callConnect = false;
626        CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager,
627                device);
628        for (int i = 0; i < mProfiles.length; i++) {
629            LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
630                    .getProfileManager(mBtManager, mProfiles[i]);
631
632            if (DEBUG) Log.d(TAG, mProfiles[i].toString() + " = " + mCheckedItems[i]);
633
634            if (mCheckedItems[i]) {
635                // Checked but not connected
636                callConnect = true;
637            } else if (!mCheckedItems[i]) {
638                // Unchecked but connected
639                if (DEBUG) Log.d(TAG, "applyBtSettings - Disconnecting");
640                cachedDevice.disconnect(mProfiles[i]);
641            }
642            profileManager.setPreferred(device, mCheckedItems[i]);
643            if (DEBUG) {
644                if (mCheckedItems[i] != profileManager.isPreferred(device)) {
645                    Log.e(TAG, "Can't save prefered value");
646                }
647            }
648        }
649
650        if (callConnect) {
651            if (DEBUG) Log.d(TAG, "applyBtSettings - Connecting");
652            cachedDevice.connect();
653        }
654    }
655
656    private synchronized void handleUndocked(Context context, LocalBluetoothManager localManager,
657            BluetoothDevice device) {
658        if (mDialog != null) {
659            mDialog.dismiss();
660            mDialog = null;
661        }
662        mDevice = null;
663        mPendingDevice = null;
664        CachedBluetoothDevice cachedBluetoothDevice = getCachedBluetoothDevice(context,
665                localManager, device);
666        cachedBluetoothDevice.disconnect();
667    }
668
669    private static CachedBluetoothDevice getCachedBluetoothDevice(Context context,
670            LocalBluetoothManager localManager, BluetoothDevice device) {
671        CachedBluetoothDeviceManager cachedDeviceManager = localManager.getCachedDeviceManager();
672        CachedBluetoothDevice cachedBluetoothDevice = cachedDeviceManager.findDevice(device);
673        if (cachedBluetoothDevice == null) {
674            cachedBluetoothDevice = new CachedBluetoothDevice(context, device);
675        }
676        return cachedBluetoothDevice;
677    }
678
679    private boolean getSetting(String key) {
680        SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
681                Context.MODE_PRIVATE);
682        return sharedPref.getBoolean(key, false);
683    }
684
685    private void setSetting(String key, boolean disableBt) {
686        SharedPreferences.Editor editor = getSharedPreferences(SHARED_PREFERENCES_NAME,
687                Context.MODE_PRIVATE).edit();
688        editor.putBoolean(key, disableBt);
689        editor.commit();
690    }
691
692    private void removeSetting(String key) {
693        SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
694                Context.MODE_PRIVATE);
695        SharedPreferences.Editor editor = sharedPref.edit();
696        editor.remove(key);
697        editor.commit();
698        return;
699    }
700}
701