/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.bluetooth;
import android.app.AlertDialog;
import android.app.Notification;
import android.app.Service;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.provider.Settings;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import com.android.settings.R;
import com.android.settingslib.bluetooth.BluetoothCallback;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
import com.android.settingslib.bluetooth.LocalBluetoothProfile;
import com.android.settingslib.bluetooth.LocalBluetoothProfileManager;
import com.android.settingslib.bluetooth.LocalBluetoothProfileManager.ServiceListener;
import java.util.Collection;
import java.util.List;
import java.util.Set;
public final class DockService extends Service implements ServiceListener {
private static final String TAG = "DockService";
static final boolean DEBUG = false;
// Time allowed for the device to be undocked and redocked without severing
// the bluetooth connection
private static final long UNDOCKED_GRACE_PERIOD = 1000;
// Time allowed for the device to be undocked and redocked without turning
// off Bluetooth
private static final long DISABLE_BT_GRACE_PERIOD = 2000;
// Msg for user wanting the UI to setup the dock
private static final int MSG_TYPE_SHOW_UI = 111;
// Msg for device docked event
private static final int MSG_TYPE_DOCKED = 222;
// Msg for device undocked event
private static final int MSG_TYPE_UNDOCKED_TEMPORARY = 333;
// Msg for undocked command to be process after UNDOCKED_GRACE_PERIOD millis
// since MSG_TYPE_UNDOCKED_TEMPORARY
private static final int MSG_TYPE_UNDOCKED_PERMANENT = 444;
// Msg for disabling bt after DISABLE_BT_GRACE_PERIOD millis since
// MSG_TYPE_UNDOCKED_PERMANENT
private static final int MSG_TYPE_DISABLE_BT = 555;
private static final String SHARED_PREFERENCES_NAME = "dock_settings";
private static final String KEY_DISABLE_BT_WHEN_UNDOCKED = "disable_bt_when_undock";
private static final String KEY_DISABLE_BT = "disable_bt";
private static final String KEY_CONNECT_RETRY_COUNT = "connect_retry_count";
/*
* If disconnected unexpectedly, reconnect up to 6 times. Each profile counts
* as one time so it's only 3 times for both profiles on the car dock.
*/
private static final int MAX_CONNECT_RETRY = 6;
private static final int INVALID_STARTID = -100;
// Created in OnCreate()
private volatile Looper mServiceLooper;
private volatile ServiceHandler mServiceHandler;
private Runnable mRunnable;
private LocalBluetoothAdapter mLocalAdapter;
private CachedBluetoothDeviceManager mDeviceManager;
private LocalBluetoothProfileManager mProfileManager;
// Normally set after getting a docked event and unset when the connection
// is severed. One exception is that mDevice could be null if the service
// was started after the docked event.
private BluetoothDevice mDevice;
// Created and used for the duration of the dialog
private AlertDialog mDialog;
private LocalBluetoothProfile[] mProfiles;
private boolean[] mCheckedItems;
private int mStartIdAssociatedWithDialog;
// Set while BT is being enabled.
private BluetoothDevice mPendingDevice;
private int mPendingStartId;
private int mPendingTurnOnStartId = INVALID_STARTID;
private int mPendingTurnOffStartId = INVALID_STARTID;
private CheckBox mAudioMediaCheckbox;
@Override
public void onCreate() {
if (DEBUG) Log.d(TAG, "onCreate");
LocalBluetoothManager manager = Utils.getLocalBtManager(this);
if (manager == null) {
Log.e(TAG, "Can't get LocalBluetoothManager: exiting");
return;
}
mLocalAdapter = manager.getBluetoothAdapter();
mDeviceManager = manager.getCachedDeviceManager();
mProfileManager = manager.getProfileManager();
if (mProfileManager == null) {
Log.e(TAG, "Can't get LocalBluetoothProfileManager: exiting");
return;
}
HandlerThread thread = new HandlerThread("DockService");
thread.start();
mServiceLooper = thread.getLooper();
mServiceHandler = new ServiceHandler(mServiceLooper);
}
@Override
public void onDestroy() {
if (DEBUG) Log.d(TAG, "onDestroy");
mRunnable = null;
if (mDialog != null) {
mDialog.dismiss();
mDialog = null;
}
if (mProfileManager != null) {
mProfileManager.removeServiceListener(this);
}
if (mServiceLooper != null) {
mServiceLooper.quit();
}
mLocalAdapter = null;
mDeviceManager = null;
mProfileManager = null;
mServiceLooper = null;
mServiceHandler = null;
}
@Override
public IBinder onBind(Intent intent) {
// not supported
return null;
}
private SharedPreferences getPrefs() {
return getSharedPreferences(SHARED_PREFERENCES_NAME, MODE_PRIVATE);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (DEBUG) Log.d(TAG, "onStartCommand startId: " + startId + " flags: " + flags);
if (intent == null) {
// Nothing to process, stop.
if (DEBUG) Log.d(TAG, "START_NOT_STICKY - intent is null.");
// NOTE: We MUST not call stopSelf() directly, since we need to
// make sure the wake lock acquired by the Receiver is released.
DockEventReceiver.finishStartingService(this, startId);
return START_NOT_STICKY;
}
if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
handleBtStateChange(intent, startId);
return START_NOT_STICKY;
}
/*
* This assumes that the intent sender has checked that this is a dock
* and that the intent is for a disconnect
*/
final SharedPreferences prefs = getPrefs();
if (BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) {
BluetoothDevice disconnectedDevice = intent
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
int retryCount = prefs.getInt(KEY_CONNECT_RETRY_COUNT, 0);
if (retryCount < MAX_CONNECT_RETRY) {
prefs.edit().putInt(KEY_CONNECT_RETRY_COUNT, retryCount + 1).apply();
handleUnexpectedDisconnect(disconnectedDevice, mProfileManager.getHeadsetProfile(), startId);
}
return START_NOT_STICKY;
} else if (BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) {
BluetoothDevice disconnectedDevice = intent
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
int retryCount = prefs.getInt(KEY_CONNECT_RETRY_COUNT, 0);
if (retryCount < MAX_CONNECT_RETRY) {
prefs.edit().putInt(KEY_CONNECT_RETRY_COUNT, retryCount + 1).apply();
handleUnexpectedDisconnect(disconnectedDevice, mProfileManager.getA2dpProfile(), startId);
}
return START_NOT_STICKY;
}
Message msg = parseIntent(intent);
if (msg == null) {
// Bad intent
if (DEBUG) Log.d(TAG, "START_NOT_STICKY - Bad intent.");
DockEventReceiver.finishStartingService(this, startId);
return START_NOT_STICKY;
}
if (msg.what == MSG_TYPE_DOCKED) {
prefs.edit().remove(KEY_CONNECT_RETRY_COUNT).apply();
}
msg.arg2 = startId;
processMessage(msg);
return START_NOT_STICKY;
}
private final class ServiceHandler extends Handler {
private ServiceHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
processMessage(msg);
}
}
// This method gets messages from both onStartCommand and mServiceHandler/mServiceLooper
private synchronized void processMessage(Message msg) {
int msgType = msg.what;
final int state = msg.arg1;
final int startId = msg.arg2;
BluetoothDevice device = null;
if (msg.obj != null) {
device = (BluetoothDevice) msg.obj;
}
if(DEBUG) Log.d(TAG, "processMessage: " + msgType + " state: " + state + " device = "
+ (device == null ? "null" : device.toString()));
boolean deferFinishCall = false;
switch (msgType) {
case MSG_TYPE_SHOW_UI:
if (device != null) {
createDialog(device, state, startId);
}
break;
case MSG_TYPE_DOCKED:
deferFinishCall = msgTypeDocked(device, state, startId);
break;
case MSG_TYPE_UNDOCKED_PERMANENT:
deferFinishCall = msgTypeUndockedPermanent(device, startId);
break;
case MSG_TYPE_UNDOCKED_TEMPORARY:
msgTypeUndockedTemporary(device, state, startId);
break;
case MSG_TYPE_DISABLE_BT:
deferFinishCall = msgTypeDisableBluetooth(startId);
break;
}
if (mDialog == null && mPendingDevice == null && msgType != MSG_TYPE_UNDOCKED_TEMPORARY
&& !deferFinishCall) {
// NOTE: We MUST not call stopSelf() directly, since we need to
// make sure the wake lock acquired by the Receiver is released.
DockEventReceiver.finishStartingService(this, startId);
}
}
private boolean msgTypeDisableBluetooth(int startId) {
if (DEBUG) {
Log.d(TAG, "BT DISABLE");
}
final SharedPreferences prefs = getPrefs();
if (mLocalAdapter.disable()) {
prefs.edit().remove(KEY_DISABLE_BT_WHEN_UNDOCKED).apply();
return false;
} else {
// disable() returned an error. Persist a flag to disable BT later
prefs.edit().putBoolean(KEY_DISABLE_BT, true).apply();
mPendingTurnOffStartId = startId;
if(DEBUG) {
Log.d(TAG, "disable failed. try again later " + startId);
}
return true;
}
}
private void msgTypeUndockedTemporary(BluetoothDevice device, int state,
int startId) {
// Undocked event received. Queue a delayed msg to sever connection
Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_UNDOCKED_PERMANENT, state,
startId, device);
mServiceHandler.sendMessageDelayed(newMsg, UNDOCKED_GRACE_PERIOD);
}
private boolean msgTypeUndockedPermanent(BluetoothDevice device, int startId) {
// Grace period passed. Disconnect.
handleUndocked(device);
if (device != null) {
final SharedPreferences prefs = getPrefs();
if (DEBUG) {
Log.d(TAG, "DISABLE_BT_WHEN_UNDOCKED = "
+ prefs.getBoolean(KEY_DISABLE_BT_WHEN_UNDOCKED, false));
}
if (prefs.getBoolean(KEY_DISABLE_BT_WHEN_UNDOCKED, false)) {
if (hasOtherConnectedDevices(device)) {
// Don't disable BT if something is connected
prefs.edit().remove(KEY_DISABLE_BT_WHEN_UNDOCKED).apply();
} else {
// BT was disabled when we first docked
if (DEBUG) {
Log.d(TAG, "QUEUED BT DISABLE");
}
// Queue a delayed msg to disable BT
Message newMsg = mServiceHandler.obtainMessage(
MSG_TYPE_DISABLE_BT, 0, startId, null);
mServiceHandler.sendMessageDelayed(newMsg,
DISABLE_BT_GRACE_PERIOD);
return true;
}
}
}
return false;
}
private boolean msgTypeDocked(BluetoothDevice device, final int state,
final int startId) {
if (DEBUG) {
// TODO figure out why hasMsg always returns false if device
// is supplied
Log.d(TAG, "1 Has undock perm msg = "
+ mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, mDevice));
Log.d(TAG, "2 Has undock perm msg = "
+ mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, device));
}
mServiceHandler.removeMessages(MSG_TYPE_UNDOCKED_PERMANENT);
mServiceHandler.removeMessages(MSG_TYPE_DISABLE_BT);
getPrefs().edit().remove(KEY_DISABLE_BT).apply();
if (device != null) {
if (!device.equals(mDevice)) {
if (mDevice != null) {
// Not expected. Cleanup/undock existing
handleUndocked(mDevice);
}
mDevice = device;
// Register first in case LocalBluetoothProfileManager
// becomes ready after isManagerReady is called and it
// would be too late to register a service listener.
mProfileManager.addServiceListener(this);
if (mProfileManager.isManagerReady()) {
handleDocked(device, state, startId);
// Not needed after all
mProfileManager.removeServiceListener(this);
} else {
final BluetoothDevice d = device;
mRunnable = new Runnable() {
public void run() {
handleDocked(d, state, startId); // FIXME: WTF runnable here?
}
};
return true;
}
}
} else {
// display dialog to enable dock for media audio only in the case of low end docks and
// if not already selected by user
int dockAudioMediaEnabled = Settings.Global.getInt(getContentResolver(),
Settings.Global.DOCK_AUDIO_MEDIA_ENABLED, -1);
if (dockAudioMediaEnabled == -1 &&
state == Intent.EXTRA_DOCK_STATE_LE_DESK) {
handleDocked(null, state, startId);
return true;
}
}
return false;
}
synchronized boolean hasOtherConnectedDevices(BluetoothDevice dock) {
Collection<CachedBluetoothDevice> cachedDevices = mDeviceManager.getCachedDevicesCopy();
Set<BluetoothDevice> btDevices = mLocalAdapter.getBondedDevices();
if (btDevices == null || cachedDevices == null || btDevices.isEmpty()) {
return false;
}
if(DEBUG) {
Log.d(TAG, "btDevices = " + btDevices.size());
Log.d(TAG, "cachedDeviceUIs = " + cachedDevices.size());
}
for (CachedBluetoothDevice deviceUI : cachedDevices) {
BluetoothDevice btDevice = deviceUI.getDevice();
if (!btDevice.equals(dock) && btDevices.contains(btDevice) && deviceUI
.isConnected()) {
if(DEBUG) Log.d(TAG, "connected deviceUI = " + deviceUI.getName());
return true;
}
}
return false;
}
private Message parseIntent(Intent intent) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1234);
if (DEBUG) {
Log.d(TAG, "Action: " + intent.getAction() + " State:" + state
+ " Device: " + (device == null ? "null" : device.getAliasName()));
}
int msgType;
switch (state) {
case Intent.EXTRA_DOCK_STATE_UNDOCKED:
msgType = MSG_TYPE_UNDOCKED_TEMPORARY;
break;
case Intent.EXTRA_DOCK_STATE_DESK:
case Intent.EXTRA_DOCK_STATE_HE_DESK:
case Intent.EXTRA_DOCK_STATE_CAR:
if (device == null) {
Log.w(TAG, "device is null");
return null;
}
/// Fall Through ///
case Intent.EXTRA_DOCK_STATE_LE_DESK:
if (DockEventReceiver.ACTION_DOCK_SHOW_UI.equals(intent.getAction())) {
if (device == null) {
Log.w(TAG, "device is null");
return null;
}
msgType = MSG_TYPE_SHOW_UI;
} else {
msgType = MSG_TYPE_DOCKED;
}
break;
default:
return null;
}
return mServiceHandler.obtainMessage(msgType, state, 0, device);
}
private void createDialog(BluetoothDevice device,
int state, int startId) {
if (mDialog != null) {
// Shouldn't normally happen
mDialog.dismiss();
mDialog = null;
}
mDevice = device;
switch (state) {
case Intent.EXTRA_DOCK_STATE_CAR:
case Intent.EXTRA_DOCK_STATE_DESK:
case Intent.EXTRA_DOCK_STATE_LE_DESK:
case Intent.EXTRA_DOCK_STATE_HE_DESK:
break;
default:
return;
}
startForeground(0, new Notification());
final AlertDialog.Builder ab = new AlertDialog.Builder(this);
View view;
LayoutInflater inflater = (LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE);
mAudioMediaCheckbox = null;
if (device != null) {
// Device in a new dock.
boolean firstTime =
!LocalBluetoothPreferences.hasDockAutoConnectSetting(this, device.getAddress());
CharSequence[] items = initBtSettings(device, state, firstTime);
ab.setTitle(getString(R.string.bluetooth_dock_settings_title));
// Profiles
ab.setMultiChoiceItems(items, mCheckedItems, mMultiClickListener);
// Remember this settings
view = inflater.inflate(R.layout.remember_dock_setting, null);
CheckBox rememberCheckbox = (CheckBox) view.findViewById(R.id.remember);
// check "Remember setting" by default if no value was saved
boolean checked = firstTime ||
LocalBluetoothPreferences.getDockAutoConnectSetting(this, device.getAddress());
rememberCheckbox.setChecked(checked);
rememberCheckbox.setOnCheckedChangeListener(mCheckedChangeListener);
if (DEBUG) {
Log.d(TAG, "Auto connect = "
+ LocalBluetoothPreferences.getDockAutoConnectSetting(this, device.getAddress()));
}
} else {
ab.setTitle(getString(R.string.bluetooth_dock_settings_title));
view = inflater.inflate(R.layout.dock_audio_media_enable_dialog, null);
mAudioMediaCheckbox =
(CheckBox) view.findViewById(R.id.dock_audio_media_enable_cb);
boolean checked = Settings.Global.getInt(getContentResolver(),
Settings.Global.DOCK_AUDIO_MEDIA_ENABLED, 0) == 1;
mAudioMediaCheckbox.setChecked(checked);
mAudioMediaCheckbox.setOnCheckedChangeListener(mCheckedChangeListener);
}
float pixelScaleFactor = getResources().getDisplayMetrics().density;
int viewSpacingLeft = (int) (14 * pixelScaleFactor);
int viewSpacingRight = (int) (14 * pixelScaleFactor);
ab.setView(view, viewSpacingLeft, 0 /* top */, viewSpacingRight, 0 /* bottom */);
// Ok Button
ab.setPositiveButton(getString(android.R.string.ok), mClickListener);
mStartIdAssociatedWithDialog = startId;
mDialog = ab.create();
mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
mDialog.setOnDismissListener(mDismissListener);
mDialog.show();
}
// Called when the individual bt profiles are clicked.
private final DialogInterface.OnMultiChoiceClickListener mMultiClickListener =
new DialogInterface.OnMultiChoiceClickListener() {
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if (DEBUG) {
Log.d(TAG, "Item " + which + " changed to " + isChecked);
}
mCheckedItems[which] = isChecked;
}
};
// Called when the "Remember" Checkbox is clicked
private final CompoundButton.OnCheckedChangeListener mCheckedChangeListener =
new CompoundButton.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (DEBUG) {
Log.d(TAG, "onCheckedChanged: Remember Settings = " + isChecked);
}
if (mDevice != null) {
LocalBluetoothPreferences.saveDockAutoConnectSetting(
DockService.this, mDevice.getAddress(), isChecked);
} else {
Settings.Global.putInt(getContentResolver(),
Settings.Global.DOCK_AUDIO_MEDIA_ENABLED, isChecked ? 1 : 0);
}
}
};
// Called when the dialog is dismissed
private final DialogInterface.OnDismissListener mDismissListener =
new DialogInterface.OnDismissListener() {
public void onDismiss(DialogInterface dialog) {
// NOTE: We MUST not call stopSelf() directly, since we need to
// make sure the wake lock acquired by the Receiver is released.
if (mPendingDevice == null) {
DockEventReceiver.finishStartingService(
DockService.this, mStartIdAssociatedWithDialog);
}
stopForeground(true);
}
};
// Called when clicked on the OK button
private final DialogInterface.OnClickListener mClickListener =
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
if (mDevice != null) {
if (!LocalBluetoothPreferences
.hasDockAutoConnectSetting(
DockService.this,
mDevice.getAddress())) {
LocalBluetoothPreferences
.saveDockAutoConnectSetting(
DockService.this,
mDevice.getAddress(), true);
}
applyBtSettings(mDevice, mStartIdAssociatedWithDialog);
} else if (mAudioMediaCheckbox != null) {
Settings.Global.putInt(getContentResolver(),
Settings.Global.DOCK_AUDIO_MEDIA_ENABLED,
mAudioMediaCheckbox.isChecked() ? 1 : 0);
}
}
}
};
private CharSequence[] initBtSettings(BluetoothDevice device,
int state, boolean firstTime) {
// TODO Avoid hardcoding dock and profiles. Read from system properties
int numOfProfiles;
switch (state) {
case Intent.EXTRA_DOCK_STATE_DESK:
case Intent.EXTRA_DOCK_STATE_LE_DESK:
case Intent.EXTRA_DOCK_STATE_HE_DESK:
numOfProfiles = 1;
break;
case Intent.EXTRA_DOCK_STATE_CAR:
numOfProfiles = 2;
break;
default:
return null;
}
mProfiles = new LocalBluetoothProfile[numOfProfiles];
mCheckedItems = new boolean[numOfProfiles];
CharSequence[] items = new CharSequence[numOfProfiles];
// FIXME: convert switch to something else
switch (state) {
case Intent.EXTRA_DOCK_STATE_CAR:
items[0] = getString(R.string.bluetooth_dock_settings_headset);
items[1] = getString(R.string.bluetooth_dock_settings_a2dp);
mProfiles[0] = mProfileManager.getHeadsetProfile();
mProfiles[1] = mProfileManager.getA2dpProfile();
if (firstTime) {
// Enable by default for car dock
mCheckedItems[0] = true;
mCheckedItems[1] = true;
} else {
mCheckedItems[0] = mProfiles[0].isPreferred(device);
mCheckedItems[1] = mProfiles[1].isPreferred(device);
}
break;
case Intent.EXTRA_DOCK_STATE_DESK:
case Intent.EXTRA_DOCK_STATE_LE_DESK:
case Intent.EXTRA_DOCK_STATE_HE_DESK:
items[0] = getString(R.string.bluetooth_dock_settings_a2dp);
mProfiles[0] = mProfileManager.getA2dpProfile();
if (firstTime) {
// Disable by default for desk dock
mCheckedItems[0] = false;
} else {
mCheckedItems[0] = mProfiles[0].isPreferred(device);
}
break;
}
return items;
}
// TODO: move to background thread to fix strict mode warnings
private void handleBtStateChange(Intent intent, int startId) {
int btState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
synchronized (this) {
if(DEBUG) Log.d(TAG, "BtState = " + btState + " mPendingDevice = " + mPendingDevice);
if (btState == BluetoothAdapter.STATE_ON) {
handleBluetoothStateOn(startId);
} else if (btState == BluetoothAdapter.STATE_TURNING_OFF) {
// Remove the flag to disable BT if someone is turning off bt.
// The rational is that:
// a) if BT is off at undock time, no work needs to be done
// b) if BT is on at undock time, the user wants it on.
getPrefs().edit().remove(KEY_DISABLE_BT_WHEN_UNDOCKED).apply();
DockEventReceiver.finishStartingService(this, startId);
} else if (btState == BluetoothAdapter.STATE_OFF) {
// Bluetooth was turning off as we were trying to turn it on.
// Let's try again
if(DEBUG) Log.d(TAG, "Bluetooth = OFF mPendingDevice = " + mPendingDevice);
if (mPendingTurnOffStartId != INVALID_STARTID) {
DockEventReceiver.finishStartingService(this, mPendingTurnOffStartId);
getPrefs().edit().remove(KEY_DISABLE_BT).apply();
mPendingTurnOffStartId = INVALID_STARTID;
}
if (mPendingDevice != null) {
mLocalAdapter.enable();
mPendingTurnOnStartId = startId;
} else {
DockEventReceiver.finishStartingService(this, startId);
}
}
}
}
private void handleBluetoothStateOn(int startId) {
if (mPendingDevice != null) {
if (mPendingDevice.equals(mDevice)) {
if(DEBUG) {
Log.d(TAG, "applying settings");
}
applyBtSettings(mPendingDevice, mPendingStartId);
} else if(DEBUG) {
Log.d(TAG, "mPendingDevice (" + mPendingDevice + ") != mDevice ("
+ mDevice + ')');
}
mPendingDevice = null;
DockEventReceiver.finishStartingService(this, mPendingStartId);
} else {
final SharedPreferences prefs = getPrefs();
if (DEBUG) {
Log.d(TAG, "A DISABLE_BT_WHEN_UNDOCKED = "
+ prefs.getBoolean(KEY_DISABLE_BT_WHEN_UNDOCKED, false));
}
// Reconnect if docked and bluetooth was enabled by user.
Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
if (i != null) {
int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE,
Intent.EXTRA_DOCK_STATE_UNDOCKED);
if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
BluetoothDevice device = i
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (device != null) {
connectIfEnabled(device);
}
} else if (prefs.getBoolean(KEY_DISABLE_BT, false)
&& mLocalAdapter.disable()) {
mPendingTurnOffStartId = startId;
prefs.edit().remove(KEY_DISABLE_BT).apply();
return;
}
}
}
if (mPendingTurnOnStartId != INVALID_STARTID) {
DockEventReceiver.finishStartingService(this, mPendingTurnOnStartId);
mPendingTurnOnStartId = INVALID_STARTID;
}
DockEventReceiver.finishStartingService(this, startId);
}
private synchronized void handleUnexpectedDisconnect(BluetoothDevice disconnectedDevice,
LocalBluetoothProfile profile, int startId) {
if (DEBUG) {
Log.d(TAG, "handling failed connect for " + disconnectedDevice);
}
// Reconnect if docked.
if (disconnectedDevice != null) {
// registerReceiver can't be called from a BroadcastReceiver
Intent intent = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
if (intent != null) {
int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
Intent.EXTRA_DOCK_STATE_UNDOCKED);
if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
BluetoothDevice dockedDevice = intent
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (dockedDevice != null && dockedDevice.equals(disconnectedDevice)) {
CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(
dockedDevice);
cachedDevice.connectProfile(profile);
}
}
}
}
DockEventReceiver.finishStartingService(this, startId);
}
private synchronized void connectIfEnabled(BluetoothDevice device) {
CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(
device);
List<LocalBluetoothProfile> profiles = cachedDevice.getConnectableProfiles();
for (LocalBluetoothProfile profile : profiles) {
if (profile.getPreferred(device) == BluetoothProfile.PRIORITY_AUTO_CONNECT) {
cachedDevice.connect(false);
return;
}
}
}
private synchronized void applyBtSettings(BluetoothDevice device, int startId) {
if (device == null || mProfiles == null || mCheckedItems == null
|| mLocalAdapter == null) {
return;
}
// Turn on BT if something is enabled
for (boolean enable : mCheckedItems) {
if (enable) {
int btState = mLocalAdapter.getBluetoothState();
if (DEBUG) {
Log.d(TAG, "BtState = " + btState);
}
// May have race condition as the phone comes in and out and in the dock.
// Always turn on BT
mLocalAdapter.enable();
// if adapter was previously OFF, TURNING_OFF, or TURNING_ON
if (btState != BluetoothAdapter.STATE_ON) {
if (mPendingDevice != null && mPendingDevice.equals(mDevice)) {
return;
}
mPendingDevice = device;
mPendingStartId = startId;
if (btState != BluetoothAdapter.STATE_TURNING_ON) {
getPrefs().edit().putBoolean(
KEY_DISABLE_BT_WHEN_UNDOCKED, true).apply();
}
return;
}
}
}
mPendingDevice = null;
boolean callConnect = false;
CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(
device);
for (int i = 0; i < mProfiles.length; i++) {
LocalBluetoothProfile profile = mProfiles[i];
if (DEBUG) Log.d(TAG, profile.toString() + " = " + mCheckedItems[i]);
if (mCheckedItems[i]) {
// Checked but not connected
callConnect = true;
} else if (!mCheckedItems[i]) {
// Unchecked, may or may not be connected.
int status = profile.getConnectionStatus(cachedDevice.getDevice());
if (status == BluetoothProfile.STATE_CONNECTED) {
if (DEBUG) Log.d(TAG, "applyBtSettings - Disconnecting");
cachedDevice.disconnect(mProfiles[i]);
}
}
profile.setPreferred(device, mCheckedItems[i]);
if (DEBUG) {
if (mCheckedItems[i] != profile.isPreferred(device)) {
Log.e(TAG, "Can't save preferred value");
}
}
}
if (callConnect) {
if (DEBUG) Log.d(TAG, "applyBtSettings - Connecting");
cachedDevice.connect(false);
}
}
private synchronized void handleDocked(BluetoothDevice device, int state,
int startId) {
if (device != null &&
LocalBluetoothPreferences.getDockAutoConnectSetting(this, device.getAddress())) {
// Setting == auto connect
initBtSettings(device, state, false);
applyBtSettings(mDevice, startId);
} else {
createDialog(device, state, startId);
}
}
private synchronized void handleUndocked(BluetoothDevice device) {
mRunnable = null;
mProfileManager.removeServiceListener(this);
if (mDialog != null) {
mDialog.dismiss();
mDialog = null;
}
mDevice = null;
mPendingDevice = null;
if (device != null) {
CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(device);
cachedDevice.disconnect();
}
}
private CachedBluetoothDevice getCachedBluetoothDevice(BluetoothDevice device) {
CachedBluetoothDevice cachedDevice = mDeviceManager.findDevice(device);
if (cachedDevice == null) {
cachedDevice = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, device);
}
return cachedDevice;
}
public synchronized void onServiceConnected() {
if (mRunnable != null) {
mRunnable.run();
mRunnable = null;
mProfileManager.removeServiceListener(this);
}
}
public void onServiceDisconnected() {
// FIXME: shouldn't I do something on service disconnected too?
}
public static class DockBluetoothCallback implements BluetoothCallback {
private final Context mContext;
public DockBluetoothCallback(Context context) {
mContext = context;
}
public void onBluetoothStateChanged(int bluetoothState) { }
public void onDeviceAdded(CachedBluetoothDevice cachedDevice) { }
public void onDeviceDeleted(CachedBluetoothDevice cachedDevice) { }
public void onConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) { }
@Override
public void onScanningStateChanged(boolean started) {
// TODO: Find a more unified place for a persistent BluetoothCallback to live
// as this is not exactly dock related.
LocalBluetoothPreferences.persistDiscoveringTimestamp(mContext);
}
@Override
public void onDeviceBondStateChanged(CachedBluetoothDevice cachedDevice, int bondState) {
BluetoothDevice device = cachedDevice.getDevice();
if (bondState == BluetoothDevice.BOND_NONE) {
if (device.isBluetoothDock()) {
// After a dock is unpaired, we will forget the settings
LocalBluetoothPreferences
.removeDockAutoConnectSetting(mContext, device.getAddress());
// if the device is undocked, remove it from the list as well
if (!device.getAddress().equals(getDockedDeviceAddress(mContext))) {
cachedDevice.setVisible(false);
}
}
}
}
// This can't be called from a broadcast receiver where the filter is set in the Manifest.
private static String getDockedDeviceAddress(Context context) {
// This works only because these broadcast intents are "sticky"
Intent i = context.registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
if (i != null) {
int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE, Intent.EXTRA_DOCK_STATE_UNDOCKED);
if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
BluetoothDevice device = i.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (device != null) {
return device.getAddress();
}
}
}
return null;
}
}
}