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Diffstat (limited to 'core/java/android/server/BluetoothService.java')
-rwxr-xr-xcore/java/android/server/BluetoothService.java304
1 files changed, 114 insertions, 190 deletions
diff --git a/core/java/android/server/BluetoothService.java b/core/java/android/server/BluetoothService.java
index d68d8ba..34f1971 100755
--- a/core/java/android/server/BluetoothService.java
+++ b/core/java/android/server/BluetoothService.java
@@ -91,7 +91,7 @@ public class BluetoothService extends IBluetooth.Stub {
private BluetoothPan mPan;
private boolean mIsAirplaneSensitive;
private boolean mIsAirplaneToggleable;
- private int mBluetoothState;
+ private BluetoothAdapterStateMachine mBluetoothState;
private boolean mRestart = false; // need to call enable() after disable()
private boolean mIsDiscovering;
private int[] mAdapterSdpHandles;
@@ -111,9 +111,8 @@ public class BluetoothService extends IBluetooth.Stub {
private static final String SHARED_PREFERENCE_DOCK_ADDRESS = "dock_bluetooth_address";
private static final String SHARED_PREFERENCES_NAME = "bluetooth_service_settings";
- private static final int MESSAGE_FINISH_DISABLE = 1;
- private static final int MESSAGE_UUID_INTENT = 2;
- private static final int MESSAGE_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 3;
+ private static final int MESSAGE_UUID_INTENT = 1;
+ private static final int MESSAGE_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 2;
// The time (in millisecs) to delay the pairing attempt after the first
// auto pairing attempt fails. We use an exponential delay with
@@ -206,7 +205,6 @@ public class BluetoothService extends IBluetooth.Stub {
disableNative();
}
- mBluetoothState = BluetoothAdapter.STATE_OFF;
mIsDiscovering = false;
mBondState = new BluetoothBondState(context, this);
@@ -306,7 +304,9 @@ public class BluetoothService extends IBluetooth.Stub {
public synchronized void initAfterRegistration() {
mAdapter = BluetoothAdapter.getDefaultAdapter();
- mEventLoop = new BluetoothEventLoop(mContext, mAdapter, this);
+ mBluetoothState = new BluetoothAdapterStateMachine(mContext, this, mAdapter);
+ mBluetoothState.start();
+ mEventLoop = mBluetoothState.getBluetoothEventLoop();
}
public synchronized void initAfterA2dpRegistration() {
@@ -329,16 +329,16 @@ public class BluetoothService extends IBluetooth.Stub {
}
private boolean isEnabledInternal() {
- return mBluetoothState == BluetoothAdapter.STATE_ON;
+ return (getBluetoothStateInternal() == BluetoothAdapter.STATE_ON);
}
public int getBluetoothState() {
mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");
- return mBluetoothState;
+ return getBluetoothStateInternal();
}
int getBluetoothStateInternal() {
- return mBluetoothState;
+ return mBluetoothState.getBluetoothAdapterState();
}
/**
@@ -356,7 +356,9 @@ public class BluetoothService extends IBluetooth.Stub {
public synchronized boolean disable(boolean saveSetting) {
mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, "Need BLUETOOTH_ADMIN permission");
- switch (mBluetoothState) {
+ int adapterState = getBluetoothStateInternal();
+
+ switch (adapterState) {
case BluetoothAdapter.STATE_OFF:
return true;
case BluetoothAdapter.STATE_ON:
@@ -364,27 +366,12 @@ public class BluetoothService extends IBluetooth.Stub {
default:
return false;
}
- if (mEnableThread != null && mEnableThread.isAlive()) {
- return false;
- }
-
- setBluetoothState(BluetoothAdapter.STATE_TURNING_OFF);
-
- if (mAdapterSdpHandles != null) removeReservedServiceRecordsNative(mAdapterSdpHandles);
- setBluetoothTetheringNative(false, BluetoothPanProfileHandler.NAP_ROLE,
- BluetoothPanProfileHandler.NAP_BRIDGE);
-
- // Allow 3 seconds for profiles to gracefully disconnect
- // TODO: Introduce a callback mechanism so that each profile can notify
- // BluetoothService when it is done shutting down
- disconnectDevices();
- mHandler.sendMessageDelayed(
- mHandler.obtainMessage(MESSAGE_FINISH_DISABLE, saveSetting ? 1 : 0, 0), 3000);
+ mBluetoothState.sendMessage(BluetoothAdapterStateMachine.USER_TURN_OFF, saveSetting);
return true;
}
- private synchronized void disconnectDevices() {
+ synchronized void disconnectDevices() {
// Disconnect devices handled by BluetoothService.
for (BluetoothDevice device: getConnectedInputDevices()) {
disconnectInputDevice(device);
@@ -395,14 +382,11 @@ public class BluetoothService extends IBluetooth.Stub {
}
}
- private synchronized void finishDisable(boolean saveSetting) {
- if (mBluetoothState != BluetoothAdapter.STATE_TURNING_OFF) {
- return;
- }
- mEventLoop.stop();
- tearDownNativeDataNative();
- disableNative();
-
+ /**
+ * The Bluetooth has been turned off, but hot. Do bonding, profile,
+ * and internal cleanup
+ */
+ synchronized void finishDisable() {
// mark in progress bondings as cancelled
for (String address : mBondState.listInState(BluetoothDevice.BOND_BONDING)) {
mBondState.setBondState(address, BluetoothDevice.BOND_NONE,
@@ -430,12 +414,6 @@ public class BluetoothService extends IBluetooth.Stub {
mAdapterUuids = null;
mAdapterSdpHandles = null;
- if (saveSetting) {
- persistBluetoothOnSetting(false);
- }
-
- setBluetoothState(BluetoothAdapter.STATE_OFF);
-
// Log bluetooth off to battery stats.
long ident = Binder.clearCallingIdentity();
try {
@@ -451,6 +429,18 @@ public class BluetoothService extends IBluetooth.Stub {
}
}
+ /**
+ * power off Bluetooth
+ */
+ synchronized void shutoffBluetooth() {
+ tearDownNativeDataNative();
+ disableNative();
+ if (mRestart) {
+ mRestart = false;
+ enable();
+ }
+ }
+
/** Bring up BT and persist BT on in settings */
public boolean enable() {
return enable(true);
@@ -471,21 +461,29 @@ public class BluetoothService extends IBluetooth.Stub {
if (mIsAirplaneSensitive && isAirplaneModeOn() && !mIsAirplaneToggleable) {
return false;
}
- if (mBluetoothState != BluetoothAdapter.STATE_OFF) {
- return false;
- }
- if (mEnableThread != null && mEnableThread.isAlive()) {
+ mBluetoothState.sendMessage(BluetoothAdapterStateMachine.USER_TURN_ON, saveSetting);
+ return true;
+ }
+
+ /**
+ * Turn on Bluetooth Module, Load firmware, and do all the preparation
+ * needed to get the Bluetooth Module ready but keep it not discoverable
+ * and not connectable.
+ */
+ /* package */ synchronized boolean prepareBluetooth() {
+ if (!setupNativeDataNative()) {
return false;
}
- setBluetoothState(BluetoothAdapter.STATE_TURNING_ON);
- mEnableThread = new EnableThread(saveSetting);
- mEnableThread.start();
+ mIsDiscovering = false;
+
+ switchConnectable(false);
+ updateSdpRecords();
return true;
}
/** Forcibly restart Bluetooth if it is on */
/* package */ synchronized void restart() {
- if (mBluetoothState != BluetoothAdapter.STATE_ON) {
+ if (getBluetoothStateInternal() != BluetoothAdapter.STATE_ON) {
return;
}
mRestart = true;
@@ -494,30 +492,10 @@ public class BluetoothService extends IBluetooth.Stub {
}
}
- private synchronized void setBluetoothState(int state) {
- if (state == mBluetoothState) {
- return;
- }
-
- if (DBG) Log.d(TAG, "Bluetooth state " + mBluetoothState + " -> " + state);
-
- Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED);
- intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, mBluetoothState);
- intent.putExtra(BluetoothAdapter.EXTRA_STATE, state);
- intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
-
- mBluetoothState = state;
-
- mContext.sendBroadcast(intent, BLUETOOTH_PERM);
- }
-
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
- case MESSAGE_FINISH_DISABLE:
- finishDisable(msg.arg1 != 0);
- break;
case MESSAGE_UUID_INTENT:
String address = (String)msg.obj;
if (address != null) {
@@ -545,65 +523,6 @@ public class BluetoothService extends IBluetooth.Stub {
}
};
- private EnableThread mEnableThread;
-
- private class EnableThread extends Thread {
- private final boolean mSaveSetting;
- public EnableThread(boolean saveSetting) {
- mSaveSetting = saveSetting;
- }
- public void run() {
- boolean res = (enableNative() == 0);
- if (res) {
- int retryCount = 2;
- boolean running = false;
- while ((retryCount-- > 0) && !running) {
- mEventLoop.start();
- // it may take a moment for the other thread to do its
- // thing. Check periodically for a while.
- int pollCount = 5;
- while ((pollCount-- > 0) && !running) {
- if (mEventLoop.isEventLoopRunning()) {
- running = true;
- break;
- }
- try {
- Thread.sleep(100);
- } catch (InterruptedException e) {}
- }
- }
- if (!running) {
- Log.e(TAG, "bt EnableThread giving up");
- res = false;
- disableNative();
- }
- }
-
- if (res) {
- if (!setupNativeDataNative()) {
- return;
- }
- if (mSaveSetting) {
- persistBluetoothOnSetting(true);
- }
-
- mIsDiscovering = false;
- mBondState.readAutoPairingData();
- mBondState.initBondState();
- initProfileState();
-
- // This should be the last step of the the enable thread.
- // Because this adds SDP records which asynchronously
- // broadcasts the Bluetooth On State in updateBluetoothState.
- // So we want all internal state setup before this.
- updateSdpRecords();
- } else {
- setBluetoothState(BluetoothAdapter.STATE_OFF);
- }
- mEnableThread = null;
- }
- }
-
private synchronized void addReservedSdpRecords(final ArrayList<ParcelUuid> uuids) {
//Register SDP records.
int[] svcIdentifiers = new int[uuids.size()];
@@ -650,38 +569,37 @@ public class BluetoothService extends IBluetooth.Stub {
* for adapter comes in with UUID property.
* @param uuidsThe uuids of adapter as reported by Bluez.
*/
- synchronized void updateBluetoothState(String uuids) {
- if (mBluetoothState == BluetoothAdapter.STATE_TURNING_ON) {
- ParcelUuid[] adapterUuids = convertStringToParcelUuid(uuids);
-
- if (mAdapterUuids != null &&
- BluetoothUuid.containsAllUuids(adapterUuids, mAdapterUuids)) {
- setBluetoothState(BluetoothAdapter.STATE_ON);
- autoConnect();
- String[] propVal = {"Pairable", getProperty("Pairable")};
- mEventLoop.onPropertyChanged(propVal);
-
- // Log bluetooth on to battery stats.
- long ident = Binder.clearCallingIdentity();
- try {
- mBatteryStats.noteBluetoothOn();
- } catch (RemoteException e) {
- } finally {
- Binder.restoreCallingIdentity(ident);
- }
+ /*package*/ synchronized void updateBluetoothState(String uuids) {
+ ParcelUuid[] adapterUuids = convertStringToParcelUuid(uuids);
- if (mIsAirplaneSensitive && isAirplaneModeOn() && !mIsAirplaneToggleable) {
- disable(false);
- }
- }
+ if (mAdapterUuids != null &&
+ BluetoothUuid.containsAllUuids(adapterUuids, mAdapterUuids)) {
+ mBluetoothState.sendMessage(BluetoothAdapterStateMachine.SERVICE_RECORD_LOADED);
}
}
- private void persistBluetoothOnSetting(boolean bluetoothOn) {
- long origCallerIdentityToken = Binder.clearCallingIdentity();
- Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.BLUETOOTH_ON,
- bluetoothOn ? 1 : 0);
- Binder.restoreCallingIdentity(origCallerIdentityToken);
+ /**
+ * This method is called immediately after Bluetooth module is turned on.
+ * It starts auto-connection and places bluetooth on sign onto the battery
+ * stats
+ */
+ /*package*/ void runBluetooth() {
+ mIsDiscovering = false;
+ mBondState.readAutoPairingData();
+ mBondState.initBondState();
+ initProfileState();
+
+ autoConnect();
+
+ // Log bluetooth on to battery stats.
+ long ident = Binder.clearCallingIdentity();
+ try {
+ mBatteryStats.noteBluetoothOn();
+ } catch (RemoteException e) {
+ Log.e(TAG, "", e);
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
}
/*package*/ synchronized boolean attemptAutoPair(String address) {
@@ -818,6 +736,26 @@ public class BluetoothService extends IBluetooth.Stub {
public synchronized boolean setScanMode(int mode, int duration) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
"Need WRITE_SECURE_SETTINGS permission");
+ return setScanMode(mode, duration, true);
+ }
+
+ /**
+ * @param on true set the local Bluetooth module to be connectable
+ * but not dicoverable
+ * false set the local Bluetooth module to be not connectable
+ * and not dicoverable
+ */
+ /*package*/ synchronized void switchConnectable(boolean on) {
+ if (on) {
+ // 0 is a dummy value, does not apply for SCAN_MODE_CONNECTABLE
+ setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE, 0, false);
+ } else {
+ // 0 is a dummy value, does not apply for SCAN_MODE_NONE
+ setScanMode(BluetoothAdapter.SCAN_MODE_NONE, 0, false);
+ }
+ }
+
+ private synchronized boolean setScanMode(int mode, int duration, boolean allowOnlyInOnState) {
boolean pairable;
boolean discoverable;
@@ -839,9 +777,15 @@ public class BluetoothService extends IBluetooth.Stub {
Log.w(TAG, "Requested invalid scan mode " + mode);
return false;
}
- setPropertyBoolean("Pairable", pairable);
- setPropertyBoolean("Discoverable", discoverable);
+ if (allowOnlyInOnState) {
+ setPropertyBoolean("Pairable", pairable);
+ setPropertyBoolean("Discoverable", discoverable);
+ } else {
+ // allowed to set the property through native layer directly
+ setAdapterPropertyBooleanNative("Pairable", pairable ? 1 : 0);
+ setAdapterPropertyBooleanNative("Discoverable", discoverable ? 1 : 0);
+ }
return true;
}
@@ -1569,14 +1513,10 @@ public class BluetoothService extends IBluetooth.Stub {
ContentResolver resolver = context.getContentResolver();
// Query the airplane mode from Settings.System just to make sure that
// some random app is not sending this intent and disabling bluetooth
- boolean enabled = !isAirplaneModeOn();
- // If bluetooth is currently expected to be on, then enable or disable bluetooth
- if (Settings.Secure.getInt(resolver, Settings.Secure.BLUETOOTH_ON, 0) > 0) {
- if (enabled) {
- enable(false);
- } else {
- disable(false);
- }
+ if (isAirplaneModeOn()) {
+ mBluetoothState.sendMessage(BluetoothAdapterStateMachine.AIRPLANE_MODE_ON);
+ } else {
+ mBluetoothState.sendMessage(BluetoothAdapterStateMachine.AIRPLANE_MODE_OFF);
}
} else if (Intent.ACTION_DOCK_EVENT.equals(action)) {
int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
@@ -1650,8 +1590,7 @@ public class BluetoothService extends IBluetooth.Stub {
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
- dumpBluetoothState(pw);
- if (mBluetoothState != BluetoothAdapter.STATE_ON) {
+ if (getBluetoothStateInternal() != BluetoothAdapter.STATE_ON) {
return;
}
@@ -1840,25 +1779,6 @@ public class BluetoothService extends IBluetooth.Stub {
}
}
- private void dumpBluetoothState(PrintWriter pw) {
- switch(mBluetoothState) {
- case BluetoothAdapter.STATE_OFF:
- pw.println("Bluetooth OFF\n");
- break;
- case BluetoothAdapter.STATE_TURNING_ON:
- pw.println("Bluetooth TURNING ON\n");
- break;
- case BluetoothAdapter.STATE_TURNING_OFF:
- pw.println("Bluetooth TURNING OFF\n");
- break;
- case BluetoothAdapter.STATE_ON:
- pw.println("Bluetooth ON\n");
- break;
- default:
- pw.println("Bluetooth UNKNOWN STATE " + mBluetoothState);
- }
- }
-
private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
new BluetoothProfile.ServiceListener() {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
@@ -2389,7 +2309,7 @@ public class BluetoothService extends IBluetooth.Stub {
public synchronized void sendConnectionStateChange(BluetoothDevice device, int state,
int prevState) {
// Since this is a binder call check if Bluetooth is on still
- if (mBluetoothState == BluetoothAdapter.STATE_OFF) return;
+ if (getBluetoothStateInternal() == BluetoothAdapter.STATE_OFF) return;
if (updateCountersAndCheckForConnectionStateChange(state, prevState)) {
if (!validateProfileConnectionState(state) ||
@@ -2405,6 +2325,10 @@ public class BluetoothService extends IBluetooth.Stub {
mAdapterConnectionState = state;
+ if (state == BluetoothProfile.STATE_DISCONNECTED) {
+ mBluetoothState.sendMessage(BluetoothAdapterStateMachine.ALL_DEVICES_DISCONNECTED);
+ }
+
Intent intent = new Intent(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED);
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
intent.putExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE,
@@ -2598,8 +2522,8 @@ public class BluetoothService extends IBluetooth.Stub {
/*package*/ native String getAdapterPathNative();
private native int isEnabledNative();
- private native int enableNative();
- private native int disableNative();
+ /*package*/ native int enableNative();
+ /*package*/ native int disableNative();
/*package*/ native Object[] getAdapterPropertiesNative();
private native Object[] getDevicePropertiesNative(String objectPath);
generated by cgit v1.1 at 2025-02-02 02:11:06 +0000