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Code Issues Projects Releases Wiki Activity

Don't make Bluetooth connections when configured not to.

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This commit is contained in:
akwizgran
2018-01-10 16:51:06 +00:00
parent 0c5976b287
commit fd6bf42ea4
6 changed files with 112 additions and 85 deletions
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87
bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java
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@@ -9,15 +9,12 @@ import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.event.EventListener;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.PluginException;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
import org.briarproject.bramble.api.plugin.event.DisableBluetoothEvent;
import org.briarproject.bramble.api.plugin.event.EnableBluetoothEvent;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.util.AndroidUtils;
@@ -44,8 +41,7 @@ import static java.util.logging.Level.WARNING;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket>
implements EventListener {
class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
private static final Logger LOG =
Logger.getLogger(AndroidBluetoothPlugin.class.getName());
@@ -68,19 +64,8 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket>
}
@Override
void initialiseAdapter() throws IOException {
// BluetoothAdapter.getDefaultAdapter() must be called on a thread
// with a message queue, so submit it to the AndroidExecutor
try {
adapter = androidExecutor.runOnBackgroundThread(
BluetoothAdapter::getDefaultAdapter).get();
} catch (InterruptedException | ExecutionException e) {
throw new IOException(e);
}
if (adapter == null) {
LOG.info("Bluetooth is not supported");
throw new IOException();
}
public void start() throws PluginException {
super.start();
// Listen for changes to the Bluetooth state
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_STATE_CHANGED);
@@ -89,9 +74,29 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket>
appContext.registerReceiver(receiver, filter);
}
@Override
public void stop() {
super.stop();
if (receiver != null) appContext.unregisterReceiver(receiver);
}
@Override
void initialiseAdapter() throws IOException {
// BluetoothAdapter.getDefaultAdapter() must be called on a thread
// with a message queue, so submit it to the AndroidExecutor
try {
adapter = androidExecutor.runOnBackgroundThread(
BluetoothAdapter::getDefaultAdapter).get();
} catch (InterruptedException | ExecutionException e) {
throw new IOException(e);
}
if (adapter == null)
throw new IOException("Bluetooth is not supported");
}
@Override
boolean isAdapterEnabled() {
return adapter.isEnabled();
return adapter != null && adapter.isEnabled();
}
@Override
@@ -107,24 +112,14 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket>
}
@Override
public void stop() {
super.stop();
if (receiver != null) appContext.unregisterReceiver(receiver);
disableAdapter();
}
private void disableAdapter() {
if (adapter != null && adapter.isEnabled() && wasEnabledByUs) {
void disableAdapterIfEnabledByUs() {
if (isAdapterEnabled() && wasEnabledByUs) {
if (adapter.disable()) LOG.info("Disabling Bluetooth");
else LOG.info("Could not disable Bluetooth");
wasEnabledByUs = false;
}
}
@Override
public boolean isRunning() {
return super.isRunning() && adapter != null && adapter.isEnabled();
}
@Override
@Nullable
String getBluetoothAddress() {
@@ -186,30 +181,18 @@ class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket>
}
}
@Override
public void eventOccurred(Event e) {
if (e instanceof EnableBluetoothEvent) {
enableAdapterAsync();
} else if (e instanceof DisableBluetoothEvent) {
disableAdapterAsync();
}
}
private void enableAdapterAsync() {
ioExecutor.execute(this::enableAdapter);
}
private void disableAdapterAsync() {
ioExecutor.execute(this::disableAdapter);
}
private class BluetoothStateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent intent) {
int state = intent.getIntExtra(EXTRA_STATE, 0);
if (state == STATE_ON) onAdapterEnabled();
else if (state == STATE_OFF) onAdapterDisabled();
if (state == STATE_ON) {
ioExecutor.execute(
AndroidBluetoothPlugin.this::onAdapterEnabled);
} else if (state == STATE_OFF) {
ioExecutor.execute(
AndroidBluetoothPlugin.this::onAdapterDisabled);
}
int scanMode = intent.getIntExtra(EXTRA_SCAN_MODE, 0);
if (scanMode == SCAN_MODE_NONE) {
LOG.info("Scan mode: None");