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Merge changes I546d7abc,I32163278 into nyc-mr2-dev

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* changes:
  Bluetooth: fix issues re-enabling after crash
  Bluetooth: log message improvements
This commit is contained in:
Marie Janssen
2016-12-19 17:58:38 +00:00
committed by Android (Google) Code Review
parent f84f98c4e2 fa63068deb
commit df37f1fa74
2 changed files with 169 additions and 201 deletions
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97
core/java/android/bluetooth/BluetoothAdapter.java
View File

@@ -200,6 +200,23 @@ public final class BluetoothAdapter {
*/
public static final int STATE_BLE_TURNING_OFF = 16;
/**
* Human-readable string helper for AdapterState
* @hide
*/
public static String nameForState(@AdapterState int state) {
switch(state) {
case STATE_OFF: return "OFF";
case STATE_TURNING_ON: return "TURNING_ON";
case STATE_ON: return "ON";
case STATE_TURNING_OFF: return "TURNING_OFF";
case STATE_BLE_TURNING_ON: return "BLE_TURNING_ON";
case STATE_BLE_ON: return "BLE_ON";
case STATE_BLE_TURNING_OFF: return "BLE_TURNING_OFF";
default: return "?!?!? (" + state + ")";
}
}
/**
* Activity Action: Show a system activity that requests discoverable mode.
* This activity will also request the user to turn on Bluetooth if it
@@ -662,15 +679,8 @@ public final class BluetoothAdapter {
@SystemApi
public boolean isLeEnabled() {
final int state = getLeState();
if (state == BluetoothAdapter.STATE_ON) {
if (DBG) Log.d (TAG, "STATE_ON");
} else if (state == BluetoothAdapter.STATE_BLE_ON) {
if (DBG) Log.d (TAG, "STATE_BLE_ON");
} else {
if (DBG) Log.d (TAG, "STATE_OFF");
return false;
}
return true;
if (DBG) Log.d(TAG, "isLeEnabled(): " + BluetoothAdapter.nameForState(state));
return (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_BLE_ON);
}
/**
@@ -835,10 +845,10 @@ public final class BluetoothAdapter {
if (state == BluetoothAdapter.STATE_BLE_ON
|| state == BluetoothAdapter.STATE_BLE_TURNING_ON
|| state == BluetoothAdapter.STATE_BLE_TURNING_OFF) {
if (VDBG) Log.d(TAG, "Consider internal state as OFF");
if (VDBG) Log.d(TAG, "Consider " + BluetoothAdapter.nameForState(state) + " state as OFF");
state = BluetoothAdapter.STATE_OFF;
}
if (VDBG) Log.d(TAG, "" + hashCode() + ": getState(). Returning " + state);
if (VDBG) Log.d(TAG, "" + hashCode() + ": getState(). Returning " + BluetoothAdapter.nameForState(state));
return state;
}
@@ -875,12 +885,12 @@ public final class BluetoothAdapter {
mServiceLock.readLock().unlock();
}
if (VDBG) Log.d(TAG,"getLeState() returning " + state);
if (VDBG) Log.d(TAG,"getLeState() returning " + BluetoothAdapter.nameForState(state));
return state;
}
boolean getLeAccess() {
if(getLeState() == STATE_ON)
if (getLeState() == STATE_ON)
return true;
else if (getLeState() == STATE_BLE_ON)
@@ -918,8 +928,8 @@ public final class BluetoothAdapter {
*/
@RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
public boolean enable() {
if (isEnabled() == true) {
if (DBG) Log.d(TAG, "enable(): BT is already enabled..!");
if (isEnabled()) {
if (DBG) Log.d(TAG, "enable(): BT already enabled!");
return true;
}
try {
@@ -1540,8 +1550,9 @@ public final class BluetoothAdapter {
}
}
}
} catch (RemoteException e) {Log.e(TAG, "getSupportedProfiles:", e);}
} catch (RemoteException e) {
Log.e(TAG, "getSupportedProfiles:", e);
}
return supportedProfiles;
}
@@ -1892,34 +1903,6 @@ public final class BluetoothAdapter {
* @hide
*/
public Pair<byte[], byte[]> readOutOfBandData() {
if (getState() != STATE_ON) return null;
//TODO(BT
/*
try {
byte[] hash;
byte[] randomizer;
byte[] ret = null;
mServiceLock.readLock().lock();
if (mService != null) mService.readOutOfBandData();
if (ret == null || ret.length != 32) return null;
hash = Arrays.copyOfRange(ret, 0, 16);
randomizer = Arrays.copyOfRange(ret, 16, 32);
if (DBG) {
Log.d(TAG, "readOutOfBandData:" + Arrays.toString(hash) +
":" + Arrays.toString(randomizer));
}
return new Pair<byte[], byte[]>(hash, randomizer);
} catch (RemoteException e) {
Log.e(TAG, "", e);
} finally {
mServiceLock.readLock().unlock();
}
*/
return null;
}
@@ -2066,7 +2049,7 @@ public final class BluetoothAdapter {
if (cb != null) {
cb.onBluetoothServiceUp(bluetoothService);
} else {
Log.d(TAG, "onBluetoothServiceUp: cb is null!!!");
Log.d(TAG, "onBluetoothServiceUp: cb is null!");
}
} catch (Exception e) {
Log.e(TAG,"",e);
@@ -2094,7 +2077,7 @@ public final class BluetoothAdapter {
if (cb != null) {
cb.onBluetoothServiceDown();
} else {
Log.d(TAG, "onBluetoothServiceDown: cb is null!!!");
Log.d(TAG, "onBluetoothServiceDown: cb is null!");
}
} catch (Exception e) {
Log.e(TAG,"",e);
@@ -2104,7 +2087,7 @@ public final class BluetoothAdapter {
}
public void onBrEdrDown() {
if (DBG) Log.i(TAG, "onBrEdrDown:");
if (VDBG) Log.i(TAG, "onBrEdrDown: " + mService);
}
};
@@ -2115,7 +2098,7 @@ public final class BluetoothAdapter {
*/
public boolean enableNoAutoConnect() {
if (isEnabled() == true){
if (DBG) Log.d(TAG, "enableNoAutoConnect(): BT is already enabled..!");
if (DBG) Log.d(TAG, "enableNoAutoConnect(): BT already enabled!");
return true;
}
try {
@@ -2155,22 +2138,6 @@ public final class BluetoothAdapter {
*/
public boolean changeApplicationBluetoothState(boolean on,
BluetoothStateChangeCallback callback) {
if (callback == null) return false;
//TODO(BT)
/*
try {
mServiceLock.readLock().lock();
if (mService != null) {
return mService.changeApplicationBluetoothState(on, new
StateChangeCallbackWrapper(callback), new Binder());
}
} catch (RemoteException e) {
Log.e(TAG, "changeBluetoothState", e);
} finally {
mServiceLock.readLock().unlock();
}
*/
return false;
}

273
services/core/java/com/android/server/BluetoothManagerService.java
View File

@@ -101,6 +101,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
private static final int MESSAGE_USER_UNLOCKED = 301;
private static final int MESSAGE_ADD_PROXY_DELAYED = 400;
private static final int MESSAGE_BIND_PROFILE_SERVICE = 401;
private static final int MAX_SAVE_RETRIES = 3;
private static final int MAX_ERROR_RESTART_RETRIES = 6;
@@ -207,7 +208,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
} finally {
mBluetoothLock.readLock().unlock();
}
Slog.d(TAG, "Airplane Mode change - current state: " + st);
Slog.d(TAG, "State " + BluetoothAdapter.nameForState(st));
if (isAirplaneModeOn()) {
// Clear registered LE apps to force shut-off
@@ -316,13 +317,15 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
/**
* Save the Bluetooth on/off state
*
*/
private void persistBluetoothSetting(int value) {
if (DBG) Slog.d(TAG, "Persisting Bluetooth Setting: " + value);
// waive WRITE_SECURE_SETTINGS permission check
long callingIdentity = Binder.clearCallingIdentity();
Settings.Global.putInt(mContext.getContentResolver(),
Settings.Global.BLUETOOTH_ON,
value);
Binder.restoreCallingIdentity(callingIdentity);
}
/**
@@ -405,6 +408,10 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
public void registerStateChangeCallback(IBluetoothStateChangeCallback callback) {
mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM,
"Need BLUETOOTH permission");
if (callback == null) {
Slog.w(TAG, "registerStateChangeCallback: Callback is null!");
return;
}
Message msg = mHandler.obtainMessage(MESSAGE_REGISTER_STATE_CHANGE_CALLBACK);
msg.obj = callback;
mHandler.sendMessage(msg);
@@ -413,6 +420,10 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
public void unregisterStateChangeCallback(IBluetoothStateChangeCallback callback) {
mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM,
"Need BLUETOOTH permission");
if (callback == null) {
Slog.w(TAG, "unregisterStateChangeCallback: Callback is null!");
return;
}
Message msg = mHandler.obtainMessage(MESSAGE_UNREGISTER_STATE_CHANGE_CALLBACK);
msg.obj = callback;
mHandler.sendMessage(msg);
@@ -439,7 +450,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
public int getState() {
if ((Binder.getCallingUid() != Process.SYSTEM_UID) &&
(!checkIfCallerIsForegroundUser())) {
Slog.w(TAG, "getState(): not allowed for non-active and non system user");
Slog.w(TAG, "getState(): report OFF for non-active and non system user");
return BluetoothAdapter.STATE_OFF;
}
@@ -579,20 +590,26 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
}
/**
* Action taken when GattService is turned off
* Action taken when GattService is turned on
*/
private void onBluetoothGattServiceUp() {
if (DBG) Slog.d(TAG,"BluetoothGatt Service is Up");
try {
mBluetoothLock.readLock().lock();
if (isBleAppPresent() == false && mBluetooth != null
&& mBluetooth.getState() == BluetoothAdapter.STATE_BLE_ON) {
if (mBluetooth == null) {
if (DBG) Slog.w(TAG, "onBluetoothServiceUp: mBluetooth is null!");
return;
}
int st = mBluetooth.getState();
if (st != BluetoothAdapter.STATE_BLE_ON) {
if (DBG) Slog.v(TAG, "onBluetoothServiceUp: state isn't BLE_ON: " +
BluetoothAdapter.nameForState(st));
return;
}
if (isBluetoothPersistedStateOnBluetooth() || !isBleAppPresent()) {
// This triggers transition to STATE_ON
mBluetooth.onLeServiceUp();
// waive WRITE_SECURE_SETTINGS permission check
long callingIdentity = Binder.clearCallingIdentity();
persistBluetoothSetting(BLUETOOTH_ON_BLUETOOTH);
Binder.restoreCallingIdentity(callingIdentity);
}
} catch (RemoteException e) {
Slog.e(TAG,"Unable to call onServiceUp", e);
@@ -677,7 +694,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
if (DBG) {
Slog.d(TAG,"enable(): mBluetooth =" + mBluetooth +
" mBinding = " + mBinding + " mState = " + mState);
" mBinding = " + mBinding + " mState = " +
BluetoothAdapter.nameForState(mState));
}
synchronized(mReceiver) {
@@ -717,10 +735,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
synchronized(mReceiver) {
if (persist) {
// waive WRITE_SECURE_SETTINGS permission check
long callingIdentity = Binder.clearCallingIdentity();
persistBluetoothSetting(BLUETOOTH_OFF);
Binder.restoreCallingIdentity(callingIdentity);
}
mEnableExternal = false;
sendDisableMsg();
@@ -756,7 +771,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
public void unbindAndFinish() {
if (DBG) {
Slog.d(TAG,"unbindAndFinish(): " + mBluetooth +
" mBinding = " + mBinding);
" mBinding = " + mBinding + " mUnbinding = " + mUnbinding);
}
try {
@@ -772,16 +787,13 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
} catch (RemoteException re) {
Slog.e(TAG, "Unable to unregister BluetoothCallback",re);
}
if (DBG) Slog.d(TAG, "Sending unbind request.");
mBluetoothBinder = null;
mBluetooth = null;
//Unbind
mContext.unbindService(mConnection);
mUnbinding = false;
mBinding = false;
} else {
mUnbinding=false;
mUnbinding = false;
}
mBluetoothGatt = null;
} finally {
@@ -1051,7 +1063,6 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
* Inform BluetoothAdapter instances that Adapter service is up
*/
private void sendBluetoothServiceUpCallback() {
if (DBG) Slog.d(TAG,"Calling onBluetoothServiceUp callbacks");
try {
int n = mCallbacks.beginBroadcast();
Slog.d(TAG,"Broadcasting onBluetoothServiceUp() to " + n + " receivers.");
@@ -1070,7 +1081,6 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
* Inform BluetoothAdapter instances that Adapter service is down
*/
private void sendBluetoothServiceDownCallback() {
if (DBG) Slog.d(TAG,"Calling onBluetoothServiceDown callbacks");
try {
int n = mCallbacks.beginBroadcast();
Slog.d(TAG,"Broadcasting onBluetoothServiceDown() to " + n + " receivers.");
@@ -1142,34 +1152,33 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
}
private class BluetoothServiceConnection implements ServiceConnection {
public void onServiceConnected(ComponentName className, IBinder service) {
if (DBG) Slog.d(TAG, "BluetoothServiceConnection: " + className.getClassName());
public void onServiceConnected(ComponentName componentName, IBinder service) {
String name = componentName.getClassName();
if (DBG) Slog.d(TAG, "BluetoothServiceConnection: " + name);
Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_SERVICE_CONNECTED);
// TBD if (className.getClassName().equals(IBluetooth.class.getName())) {
if (className.getClassName().equals("com.android.bluetooth.btservice.AdapterService")) {
if (name.equals("com.android.bluetooth.btservice.AdapterService")) {
msg.arg1 = SERVICE_IBLUETOOTH;
// } else if (className.getClassName().equals(IBluetoothGatt.class.getName())) {
} else if (className.getClassName().equals("com.android.bluetooth.gatt.GattService")) {
} else if (name.equals("com.android.bluetooth.gatt.GattService")) {
msg.arg1 = SERVICE_IBLUETOOTHGATT;
} else {
Slog.e(TAG, "Unknown service connected: " + className.getClassName());
Slog.e(TAG, "Unknown service connected: " + name);
return;
}
msg.obj = service;
mHandler.sendMessage(msg);
}
public void onServiceDisconnected(ComponentName className) {
// Called if we unexpected disconnected.
if (DBG) Slog.d(TAG, "BluetoothServiceConnection, disconnected: " +
className.getClassName());
public void onServiceDisconnected(ComponentName componentName) {
// Called if we unexpectedly disconnect.
String name = componentName.getClassName();
if (DBG) Slog.d(TAG, "BluetoothServiceConnection, disconnected: " + name);
Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED);
if (className.getClassName().equals("com.android.bluetooth.btservice.AdapterService")) {
if (name.equals("com.android.bluetooth.btservice.AdapterService")) {
msg.arg1 = SERVICE_IBLUETOOTH;
} else if (className.getClassName().equals("com.android.bluetooth.gatt.GattService")) {
} else if (name.equals("com.android.bluetooth.gatt.GattService")) {
msg.arg1 = SERVICE_IBLUETOOTHGATT;
} else {
Slog.e(TAG, "Unknown service disconnected: " + className.getClassName());
Slog.e(TAG, "Unknown service disconnected: " + name);
return;
}
mHandler.sendMessage(msg);
@@ -1187,7 +1196,6 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
@Override
public void handleMessage(Message msg) {
if (DBG) Slog.d (TAG, "Message: " + msg.what);
switch (msg.what) {
case MESSAGE_GET_NAME_AND_ADDRESS:
if (DBG) Slog.d(TAG, "MESSAGE_GET_NAME_AND_ADDRESS");
@@ -1225,7 +1233,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
case MESSAGE_ENABLE:
if (DBG) {
Slog.d(TAG, "MESSAGE_ENABLE: mBluetooth = " + mBluetooth);
Slog.d(TAG, "MESSAGE_ENABLE(" + msg.arg1 + "): mBluetooth = " + mBluetooth);
}
mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);
mEnable = true;
@@ -1275,6 +1283,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
break;
case MESSAGE_DISABLE:
if (DBG) Slog.d(TAG, "MESSAGE_DISABLE: mBluetooth = " + mBluetooth);
mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);
if (mEnable && mBluetooth != null) {
waitForOnOff(true, false);
@@ -1290,31 +1299,25 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
case MESSAGE_REGISTER_ADAPTER:
{
IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj;
boolean added = mCallbacks.register(callback);
Slog.d(TAG,"Added callback: " + (callback == null? "null": callback) +":" +added );
}
mCallbacks.register(callback);
break;
}
case MESSAGE_UNREGISTER_ADAPTER:
{
IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj;
boolean removed = mCallbacks.unregister(callback);
Slog.d(TAG,"Removed callback: " + (callback == null? "null": callback) +":" + removed);
mCallbacks.unregister(callback);
break;
}
case MESSAGE_REGISTER_STATE_CHANGE_CALLBACK:
{
IBluetoothStateChangeCallback callback = (IBluetoothStateChangeCallback) msg.obj;
if (callback != null) {
mStateChangeCallbacks.register(callback);
}
mStateChangeCallbacks.register(callback);
break;
}
case MESSAGE_UNREGISTER_STATE_CHANGE_CALLBACK:
{
IBluetoothStateChangeCallback callback = (IBluetoothStateChangeCallback) msg.obj;
if (callback != null) {
mStateChangeCallbacks.unregister(callback);
}
mStateChangeCallbacks.unregister(callback);
break;
}
case MESSAGE_ADD_PROXY_DELAYED:
@@ -1387,13 +1390,11 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
//Do enable request
try {
if (mQuietEnable == false) {
if(!mBluetooth.enable()) {
if (!mBluetooth.enable()) {
Slog.e(TAG,"IBluetooth.enable() returned false");
}
}
else
{
if(!mBluetooth.enableNoAutoConnect()) {
} else {
if (!mBluetooth.enableNoAutoConnect()) {
Slog.e(TAG,"IBluetooth.enableNoAutoConnect() returned false");
}
}
@@ -1411,19 +1412,14 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
}
break;
}
case MESSAGE_TIMEOUT_BIND: {
Slog.e(TAG, "MESSAGE_TIMEOUT_BIND");
mBluetoothLock.writeLock().lock();
mBinding = false;
mBluetoothLock.writeLock().unlock();
break;
}
case MESSAGE_BLUETOOTH_STATE_CHANGE:
{
int prevState = msg.arg1;
int newState = msg.arg2;
if (DBG) Slog.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = " + prevState + ", newState =" + newState);
if (DBG) {
Slog.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: " + BluetoothAdapter.nameForState(prevState) + " > " +
BluetoothAdapter.nameForState(newState));
}
mState = newState;
bluetoothStateChangeHandler(prevState, newState);
// handle error state transition case from TURNING_ON to OFF
@@ -1463,7 +1459,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
}
case MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED:
{
Slog.e(TAG, "MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED: " + msg.arg1);
Slog.e(TAG, "MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED(" + msg.arg1 + ")");
try {
mBluetoothLock.writeLock().lock();
if (msg.arg1 == SERVICE_IBLUETOOTH) {
@@ -1474,7 +1470,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
mBluetoothGatt = null;
break;
} else {
Slog.e(TAG, "Bad msg.arg1: " + msg.arg1);
Slog.e(TAG, "Unknown argument for service disconnect!");
break;
}
} finally {
@@ -1511,8 +1507,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
}
case MESSAGE_RESTART_BLUETOOTH_SERVICE:
{
Slog.d(TAG, "MESSAGE_RESTART_BLUETOOTH_SERVICE:"
+" Restart IBluetooth service");
Slog.d(TAG, "MESSAGE_RESTART_BLUETOOTH_SERVICE");
/* Enable without persisting the setting as
it doesnt change when IBluetooth
service restarts */
@@ -1520,7 +1515,13 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
handleEnable(mQuietEnable);
break;
}
case MESSAGE_TIMEOUT_BIND: {
Slog.e(TAG, "MESSAGE_TIMEOUT_BIND");
mBluetoothLock.writeLock().lock();
mBinding = false;
mBluetoothLock.writeLock().unlock();
break;
}
case MESSAGE_TIMEOUT_UNBIND:
{
Slog.e(TAG, "MESSAGE_TIMEOUT_UNBIND");
@@ -1606,11 +1607,10 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
} else if (mBinding || mBluetooth != null) {
Message userMsg = mHandler.obtainMessage(MESSAGE_USER_SWITCHED);
userMsg.arg2 = 1 + msg.arg2;
// if user is switched when service is being binding
// delay sending MESSAGE_USER_SWITCHED
// if user is switched when service is binding retry after a delay
mHandler.sendMessageDelayed(userMsg, USER_SWITCHED_TIME_MS);
if (DBG) {
Slog.d(TAG, "delay MESSAGE_USER_SWITCHED " + userMsg.arg2);
Slog.d(TAG, "Retry MESSAGE_USER_SWITCHED " + userMsg.arg2);
}
}
break;
@@ -1711,7 +1711,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
parentUser == foregroundUser ||
callingAppId == Process.NFC_UID ||
callingAppId == mSystemUiUid;
if (DBG) {
if (DBG && !valid) {
Slog.d(TAG, "checkIfCallerIsForegroundUser: valid=" + valid
+ " callingUser=" + callingUser
+ " parentUser=" + parentUser
@@ -1724,7 +1724,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
}
private void sendBleStateChanged(int prevState, int newState) {
if (DBG) Slog.d(TAG,"BLE State Change Intent: " + prevState + " -> " + newState);
if (DBG) Slog.d(TAG,"Sending BLE State Change: " + BluetoothAdapter.nameForState(prevState) +
" > " + BluetoothAdapter.nameForState(newState));
// Send broadcast message to everyone else
Intent intent = new Intent(BluetoothAdapter.ACTION_BLE_STATE_CHANGED);
intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, prevState);
@@ -1735,76 +1736,76 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
private void bluetoothStateChangeHandler(int prevState, int newState) {
boolean isStandardBroadcast = true;
if (DBG) Slog.d(TAG, "bluetoothStateChangeHandler: " + prevState + " -> " + newState);
if (prevState != newState) {
//Notify all proxy objects first of adapter state change
if (newState == BluetoothAdapter.STATE_BLE_ON ||
newState == BluetoothAdapter.STATE_OFF) {
boolean intermediate_off = (prevState == BluetoothAdapter.STATE_TURNING_OFF
&& newState == BluetoothAdapter.STATE_BLE_ON);
if (prevState == newState) { // No change. Nothing to do.
return;
}
// Notify all proxy objects first of adapter state change
if (newState == BluetoothAdapter.STATE_BLE_ON ||
newState == BluetoothAdapter.STATE_OFF) {
boolean intermediate_off = (prevState == BluetoothAdapter.STATE_TURNING_OFF
&& newState == BluetoothAdapter.STATE_BLE_ON);
if (newState == BluetoothAdapter.STATE_OFF) {
// If Bluetooth is off, send service down event to proxy objects, and unbind
if (DBG) Slog.d(TAG, "Bluetooth is complete turn off");
sendBluetoothServiceDownCallback();
unbindAndFinish();
sendBleStateChanged(prevState, newState);
// Don't broadcast as it has already been broadcast before
isStandardBroadcast = false;
} else if (!intermediate_off) {
// connect to GattService
if (DBG) Slog.d(TAG, "Bluetooth is in LE only mode");
if (mBluetoothGatt != null) {
if (DBG) Slog.d(TAG, "Calling BluetoothGattServiceUp");
onBluetoothGattServiceUp();
} else {
if (DBG) Slog.d(TAG, "Binding Bluetooth GATT service");
if (mContext.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_BLUETOOTH_LE)) {
Intent i = new Intent(IBluetoothGatt.class.getName());
doBind(i, mConnection, Context.BIND_AUTO_CREATE | Context.BIND_IMPORTANT, UserHandle.CURRENT);
}
}
sendBleStateChanged(prevState, newState);
//Don't broadcase this as std intent
isStandardBroadcast = false;
} else if (intermediate_off){
if (DBG) Slog.d(TAG, "Intermediate off, back to LE only mode");
// For LE only mode, broadcast as is
sendBleStateChanged(prevState, newState);
sendBluetoothStateCallback(false); // BT is OFF for general users
// Broadcast as STATE_OFF
newState = BluetoothAdapter.STATE_OFF;
sendBrEdrDownCallback();
}
} else if (newState == BluetoothAdapter.STATE_ON) {
boolean isUp = (newState==BluetoothAdapter.STATE_ON);
sendBluetoothStateCallback(isUp);
sendBleStateChanged(prevState, newState);
} else if (newState == BluetoothAdapter.STATE_BLE_TURNING_ON ||
newState == BluetoothAdapter.STATE_BLE_TURNING_OFF ) {
if (newState == BluetoothAdapter.STATE_OFF) {
// If Bluetooth is off, send service down event to proxy objects, and unbind
if (DBG) Slog.d(TAG, "Bluetooth is complete send Service Down");
sendBluetoothServiceDownCallback();
unbindAndFinish();
sendBleStateChanged(prevState, newState);
// Don't broadcast as it has already been broadcast before
isStandardBroadcast = false;
} else if (newState == BluetoothAdapter.STATE_TURNING_ON ||
newState == BluetoothAdapter.STATE_TURNING_OFF) {
sendBleStateChanged(prevState, newState);
}
if (isStandardBroadcast) {
if (prevState == BluetoothAdapter.STATE_BLE_ON) {
// Show prevState of BLE_ON as OFF to standard users
prevState = BluetoothAdapter.STATE_OFF;
} else if (!intermediate_off) {
// connect to GattService
if (DBG) Slog.d(TAG, "Bluetooth is in LE only mode");
if (mBluetoothGatt != null) {
if (DBG) Slog.d(TAG, "Calling BluetoothGattServiceUp");
onBluetoothGattServiceUp();
} else {
if (DBG) Slog.d(TAG, "Binding Bluetooth GATT service");
if (mContext.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_BLUETOOTH_LE)) {
Intent i = new Intent(IBluetoothGatt.class.getName());
doBind(i, mConnection, Context.BIND_AUTO_CREATE | Context.BIND_IMPORTANT, UserHandle.CURRENT);
}
}
Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED);
intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, prevState);
intent.putExtra(BluetoothAdapter.EXTRA_STATE, newState);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
mContext.sendBroadcastAsUser(intent, UserHandle.ALL, BLUETOOTH_PERM);
sendBleStateChanged(prevState, newState);
//Don't broadcase this as std intent
isStandardBroadcast = false;
} else if (intermediate_off) {
if (DBG) Slog.d(TAG, "Intermediate off, back to LE only mode");
// For LE only mode, broadcast as is
sendBleStateChanged(prevState, newState);
sendBluetoothStateCallback(false); // BT is OFF for general users
// Broadcast as STATE_OFF
newState = BluetoothAdapter.STATE_OFF;
sendBrEdrDownCallback();
}
} else if (newState == BluetoothAdapter.STATE_ON) {
boolean isUp = (newState == BluetoothAdapter.STATE_ON);
sendBluetoothStateCallback(isUp);
sendBleStateChanged(prevState, newState);
} else if (newState == BluetoothAdapter.STATE_BLE_TURNING_ON ||
newState == BluetoothAdapter.STATE_BLE_TURNING_OFF ) {
sendBleStateChanged(prevState, newState);
isStandardBroadcast = false;
} else if (newState == BluetoothAdapter.STATE_TURNING_ON ||
newState == BluetoothAdapter.STATE_TURNING_OFF) {
sendBleStateChanged(prevState, newState);
}
if (isStandardBroadcast) {
if (prevState == BluetoothAdapter.STATE_BLE_ON) {
// Show prevState of BLE_ON as OFF to standard users
prevState = BluetoothAdapter.STATE_OFF;
}
Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED);
intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, prevState);
intent.putExtra(BluetoothAdapter.EXTRA_STATE, newState);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
mContext.sendBroadcastAsUser(intent, UserHandle.ALL, BLUETOOTH_PERM);
}
}