am 87d7c1d7: am ac8a61b6: Merge "When turning off, broadcast STATE_OFF in the... (88dcbda0) · Commits · e / os / android_frameworks_base

core/java/android/server/BluetoothAdapterStateMachine.java

+41 −17

Original line number	Diff line number	Diff line
		@@ -39,7 +39,7 @@ import java.io.PrintWriter;
		* (BluetootOn)<----------------------<-
		* \| ^ -------------------->- \|
		* \| \| \| \|
		* TURN_OFF \| \| SCAN_MODE_CHANGED m1 \| \| USER_TURN_ON
		* USER_TURN_OFF \| \| SCAN_MODE_CHANGED m1 \| \| USER_TURN_ON
		* AIRPLANE_MODE_ON \| \| \| \|
		* V \| \| \|
		* (Switching) (PerProcessState)
		@@ -121,8 +121,10 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		private static final int DEVICES_DISCONNECT_TIMEOUT = 103;
		// Prepare Bluetooth timeout happens
		private static final int PREPARE_BLUETOOTH_TIMEOUT = 104;
		// Bluetooth Powerdown timeout happens
		private static final int POWER_DOWN_TIMEOUT = 105;
		// Bluetooth turn off wait timeout happens
		private static final int TURN_OFF_TIMEOUT = 105;
		// Bluetooth device power off wait timeout happens
		private static final int POWER_DOWN_TIMEOUT = 106;

		private Context mContext;
		private BluetoothService mBluetoothService;
		@@ -137,13 +139,17 @@ final class BluetoothAdapterStateMachine extends StateMachine {

		// this is the BluetoothAdapter state that reported externally
		private int mPublicState;
		// When turning off, broadcast STATE_OFF in the last HotOff state
		// This is because we do HotOff -> PowerOff -> HotOff for USER_TURN_OFF
		private boolean mDelayBroadcastStateOff;

		// timeout value waiting for all the devices to be disconnected
		private static final int DEVICES_DISCONNECT_TIMEOUT_TIME = 3000;

		private static final int PREPARE_BLUETOOTH_TIMEOUT_TIME = 10000;

		private static final int POWER_DOWN_TIMEOUT_TIME = 5000;
		private static final int TURN_OFF_TIMEOUT_TIME = 5000;
		private static final int POWER_DOWN_TIMEOUT_TIME = 20;

		BluetoothAdapterStateMachine(Context context, BluetoothService bluetoothService,
		BluetoothAdapter bluetoothAdapter) {
		@@ -168,6 +174,7 @@ final class BluetoothAdapterStateMachine extends StateMachine {

		setInitialState(mPowerOff);
		mPublicState = BluetoothAdapter.STATE_OFF;
		mDelayBroadcastStateOff = false;
		}

		/**
		@@ -315,6 +322,10 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		case SERVICE_RECORD_LOADED:
		removeMessages(PREPARE_BLUETOOTH_TIMEOUT);
		transitionTo(mHotOff);
		if (mDelayBroadcastStateOff) {
		broadcastState(BluetoothAdapter.STATE_OFF);
		mDelayBroadcastStateOff = false;
		}
		break;
		case PREPARE_BLUETOOTH_TIMEOUT:
		Log.e(TAG, "Bluetooth adapter SDP failed to load");
		@@ -373,8 +384,17 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		case AIRPLANE_MODE_ON:
		case TURN_COLD:
		shutoffBluetooth();
		// we cannot go to power off state yet, we need wait for the Bluetooth
		// device power off. Unfortunately the stack does not give a event back
		// so we wait a little bit here
		sendMessageDelayed(POWER_DOWN_TIMEOUT,
		POWER_DOWN_TIMEOUT_TIME);
		break;
		case POWER_DOWN_TIMEOUT:
		transitionTo(mPowerOff);
		if (!mDelayBroadcastStateOff) {
		broadcastState(BluetoothAdapter.STATE_OFF);
		}
		break;
		case AIRPLANE_MODE_OFF:
		if (getBluetoothPersistedSetting()) {
		@@ -402,6 +422,9 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		recoverStateMachine(TURN_HOT, null);
		}
		break;
		case TURN_HOT:
		deferMessage(message);
		break;
		default:
		return NOT_HANDLED;
		}
		@@ -436,15 +459,17 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		}
		break;
		case POWER_STATE_CHANGED:
		removeMessages(POWER_DOWN_TIMEOUT);
		removeMessages(TURN_OFF_TIMEOUT);
		if (!((Boolean) message.obj)) {
		if (mPublicState == BluetoothAdapter.STATE_TURNING_OFF) {
		transitionTo(mHotOff);
		finishSwitchingOff();
		mBluetoothService.finishDisable();
		mBluetoothService.cleanupAfterFinishDisable();
		deferMessage(obtainMessage(TURN_COLD));
		if (mContext.getResources().getBoolean
		(com.android.internal.R.bool.config_bluetooth_adapter_quick_switch)) {
		deferMessage(obtainMessage(TURN_HOT));
		mDelayBroadcastStateOff = true;
		}
		}
		} else {
		@@ -461,7 +486,7 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		case ALL_DEVICES_DISCONNECTED:
		removeMessages(DEVICES_DISCONNECT_TIMEOUT);
		mBluetoothService.switchConnectable(false);
		sendMessageDelayed(POWER_DOWN_TIMEOUT, POWER_DOWN_TIMEOUT_TIME);
		sendMessageDelayed(TURN_OFF_TIMEOUT, TURN_OFF_TIMEOUT_TIME);
		break;
		case DEVICES_DISCONNECT_TIMEOUT:
		sendMessage(ALL_DEVICES_DISCONNECTED);
		@@ -473,7 +498,7 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		deferMessage(obtainMessage(TURN_HOT));
		}
		break;
		case POWER_DOWN_TIMEOUT:
		case TURN_OFF_TIMEOUT:
		transitionTo(mHotOff);
		finishSwitchingOff();
		// reset the hardware for error recovery
		@@ -536,7 +561,7 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		DEVICES_DISCONNECT_TIMEOUT_TIME);
		} else {
		mBluetoothService.switchConnectable(false);
		sendMessageDelayed(POWER_DOWN_TIMEOUT, POWER_DOWN_TIMEOUT_TIME);
		sendMessageDelayed(TURN_OFF_TIMEOUT, TURN_OFF_TIMEOUT_TIME);
		}

		// we turn all the way to PowerOff with AIRPLANE_MODE_ON
		@@ -610,13 +635,12 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		}
		break;
		case POWER_STATE_CHANGED:
		removeMessages(POWER_DOWN_TIMEOUT);
		removeMessages(TURN_OFF_TIMEOUT);
		if (!((Boolean) message.obj)) {
		transitionTo(mHotOff);
		deferMessage(obtainMessage(TURN_COLD));
		if (mContext.getResources().getBoolean
		if (!mContext.getResources().getBoolean
		(com.android.internal.R.bool.config_bluetooth_adapter_quick_switch)) {
		deferMessage(obtainMessage(TURN_HOT));
		deferMessage(obtainMessage(TURN_COLD));
		}
		} else {
		if (!isTurningOn) {
		@@ -629,7 +653,7 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		}
		}
		break;
		case POWER_DOWN_TIMEOUT:
		case TURN_OFF_TIMEOUT:
		transitionTo(mHotOff);
		Log.e(TAG, "Power-down timed out, resetting...");
		deferMessage(obtainMessage(TURN_COLD));
		@@ -676,12 +700,12 @@ final class BluetoothAdapterStateMachine extends StateMachine {
		perProcessCallback(false, (IBluetoothStateChangeCallback)message.obj);
		if (mBluetoothService.isApplicationStateChangeTrackerEmpty()) {
		mBluetoothService.switchConnectable(false);
		sendMessageDelayed(POWER_DOWN_TIMEOUT, POWER_DOWN_TIMEOUT_TIME);
		sendMessageDelayed(TURN_OFF_TIMEOUT, TURN_OFF_TIMEOUT_TIME);
		}
		break;
		case AIRPLANE_MODE_ON:
		mBluetoothService.switchConnectable(false);
		sendMessageDelayed(POWER_DOWN_TIMEOUT, POWER_DOWN_TIMEOUT_TIME);
		sendMessageDelayed(TURN_OFF_TIMEOUT, TURN_OFF_TIMEOUT_TIME);
		allProcessesCallback(false);
		// we turn all the way to PowerOff with AIRPLANE_MODE_ON
		deferMessage(obtainMessage(AIRPLANE_MODE_ON));

core/java/android/server/BluetoothService.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -526,6 +526,12 @@ public class BluetoothService extends IBluetooth.Stub {
		return false;
		}
		switchConnectable(false);

		// Bluetooth stack needs a small delay here before adding
		// SDP records, otherwise dbus stalls for over 30 seconds 1 out of 50 runs
		try {
		Thread.sleep(20);
		} catch (InterruptedException e) {}
		updateSdpRecords();
		return true;
		}
		@@ -593,6 +599,12 @@ public class BluetoothService extends IBluetooth.Stub {
		// Add SDP records for profiles maintained by Android userspace
		addReservedSdpRecords(uuids);

		// Bluetooth stack need some a small delay here before adding more
		// SDP records, otherwise dbus stalls for over 30 seconds 1 out of 50 runs
		try {
		Thread.sleep(20);
		} catch (InterruptedException e) {}

		if (R.getBoolean(com.android.internal.R.bool.config_bluetooth_default_profiles)) {
		// Enable profiles maintained by Bluez userspace.
		setBluetoothTetheringNative(true, BluetoothPanProfileHandler.NAP_ROLE,