DockService.java revision 5809d33296d60f54c7e93de2f45bd84579f70449 
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;
21import com.android.settings.bluetooth.LocalBluetoothProfileManager.ServiceListener;
22
23import android.app.AlertDialog;
24import android.app.Notification;
25import android.app.Service;
26import android.bluetooth.BluetoothA2dp;
27import android.bluetooth.BluetoothAdapter;
28import android.bluetooth.BluetoothDevice;
29import android.bluetooth.BluetoothHeadset;
30import android.bluetooth.BluetoothProfile;
31import android.content.Context;
32import android.content.DialogInterface;
33import android.content.Intent;
34import android.content.IntentFilter;
35import android.content.SharedPreferences;
36import android.os.Handler;
37import android.os.HandlerThread;
38import android.os.IBinder;
39import android.os.Looper;
40import android.os.Message;
41import android.util.Log;
42import android.view.LayoutInflater;
43import android.view.View;
44import android.view.WindowManager;
45import android.widget.CheckBox;
46import android.widget.CompoundButton;
47
48import java.util.List;
49import java.util.Set;
50
51public 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}
821