Merge "Allow TetherService to take a callback to receiver provision results."

This commit is contained in:
Jeremy Klein
2016-01-26 03:59:53 +00:00
committed by Android (Google) Code Review
3 changed files with 63 additions and 37 deletions

View File

@@ -4,6 +4,7 @@ package com.android.settings;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.wifi.WifiManager;
import android.util.Log;
@@ -25,7 +26,8 @@ public class HotspotOffReceiver extends BroadcastReceiver {
if (wifiManager.getWifiApState() == WifiManager.WIFI_AP_STATE_DISABLED) {
if (DEBUG) Log.d(TAG, "TetherService.cancelRecheckAlarmIfNecessary called");
// The hotspot has been turned off, we don't need to recheck tethering.
TetherService.cancelRecheckAlarmIfNecessary(context, TetherUtil.TETHERING_WIFI);
TetherService.cancelRecheckAlarmIfNecessary(
context, ConnectivityManager.TETHERING_WIFI);
}
}
}

View File

@@ -31,13 +31,16 @@ import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.os.IBinder;
import android.os.ResultReceiver;
import android.os.SystemClock;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.Log;
import com.android.settingslib.TetherUtil;
import java.util.ArrayList;
import java.util.List;
public class TetherService extends Service {
private static final String TAG = "TetherService";
@@ -57,9 +60,9 @@ public class TetherService extends Service {
private static final String KEY_TETHERS = "currentTethers";
private int mCurrentTypeIndex;
private boolean mEnableWifiAfterCheck;
private boolean mInProvisionCheck;
private ArrayList<Integer> mCurrentTethers;
private ArrayMap<Integer, List<ResultReceiver>> mPendingCallbacks;
@Override
public IBinder onBind(Intent intent) {
@@ -77,23 +80,42 @@ public class TetherService extends Service {
SharedPreferences prefs = getSharedPreferences(PREFS, MODE_PRIVATE);
mCurrentTethers = stringToTethers(prefs.getString(KEY_TETHERS, ""));
mCurrentTypeIndex = 0;
mPendingCallbacks = new ArrayMap<>(3);
mPendingCallbacks.put(ConnectivityManager.TETHERING_WIFI, new ArrayList<ResultReceiver>());
mPendingCallbacks.put(ConnectivityManager.TETHERING_USB, new ArrayList<ResultReceiver>());
mPendingCallbacks.put(
ConnectivityManager.TETHERING_BLUETOOTH, new ArrayList<ResultReceiver>());
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent.hasExtra(TetherUtil.EXTRA_ADD_TETHER_TYPE)) {
int type = intent.getIntExtra(TetherUtil.EXTRA_ADD_TETHER_TYPE,
TetherUtil.TETHERING_INVALID);
if (intent.hasExtra(ConnectivityManager.EXTRA_ADD_TETHER_TYPE)) {
int type = intent.getIntExtra(ConnectivityManager.EXTRA_ADD_TETHER_TYPE,
ConnectivityManager.TETHERING_INVALID);
ResultReceiver callback =
intent.getParcelableExtra(ConnectivityManager.EXTRA_PROVISION_CALLBACK);
if (callback != null) {
List<ResultReceiver> callbacksForType = mPendingCallbacks.get(type);
if (callbacksForType != null) {
callbacksForType.add(callback);
} else {
// Invalid tether type. Just ignore this request and report failure.
callback.send(ConnectivityManager.TETHER_ERROR_UNKNOWN_IFACE, null);
stopSelf();
return START_NOT_STICKY;
}
}
if (!mCurrentTethers.contains(type)) {
if (DEBUG) Log.d(TAG, "Adding tether " + type);
mCurrentTethers.add(type);
}
}
if (intent.hasExtra(TetherUtil.EXTRA_REM_TETHER_TYPE)) {
if (intent.hasExtra(ConnectivityManager.EXTRA_REM_TETHER_TYPE)) {
if (!mInProvisionCheck) {
int type = intent.getIntExtra(TetherUtil.EXTRA_REM_TETHER_TYPE,
TetherUtil.TETHERING_INVALID);
int type = intent.getIntExtra(ConnectivityManager.EXTRA_REM_TETHER_TYPE,
ConnectivityManager.TETHERING_INVALID);
int index = mCurrentTethers.indexOf(type);
if (DEBUG) Log.d(TAG, "Removing tether " + type + ", index " + index);
if (index >= 0) {
@@ -114,19 +136,16 @@ public class TetherService extends Service {
// Only set the alarm if we have one tether, meaning the one just added,
// to avoid setting it when it was already set previously for another
// type.
if (intent.getBooleanExtra(TetherUtil.EXTRA_SET_ALARM, false)
if (intent.getBooleanExtra(ConnectivityManager.EXTRA_SET_ALARM, false)
&& mCurrentTethers.size() == 1) {
scheduleAlarm();
}
if (intent.getBooleanExtra(TetherUtil.EXTRA_ENABLE_WIFI_TETHER, false)) {
mEnableWifiAfterCheck = true;
}
if (intent.getBooleanExtra(TetherUtil.EXTRA_RUN_PROVISION, false)) {
if (intent.getBooleanExtra(ConnectivityManager.EXTRA_RUN_PROVISION, false)) {
startProvisioning(mCurrentTypeIndex);
} else if (!mInProvisionCheck) {
// If we aren't running any provisioning, no reason to stay alive.
if (DEBUG) Log.d(TAG, "Stopping self. startid: " + startId);
stopSelf();
return START_NOT_STICKY;
}
@@ -173,12 +192,6 @@ public class TetherService extends Service {
return buffer.toString();
}
private void enableWifiTetheringIfNeeded() {
if (!TetherUtil.isWifiTetherEnabled(this)) {
TetherUtil.setWifiTethering(true, this);
}
}
private void disableWifiTethering() {
TetherUtil.setWifiTethering(false, this);
}
@@ -221,14 +234,14 @@ public class TetherService extends Service {
public static void scheduleRecheckAlarm(Context context, int type) {
Intent intent = new Intent(context, TetherService.class);
intent.putExtra(TetherUtil.EXTRA_ADD_TETHER_TYPE, type);
intent.putExtra(TetherUtil.EXTRA_SET_ALARM, true);
intent.putExtra(ConnectivityManager.EXTRA_ADD_TETHER_TYPE, type);
intent.putExtra(ConnectivityManager.EXTRA_SET_ALARM, true);
context.startService(intent);
}
private void scheduleAlarm() {
Intent intent = new Intent(this, TetherService.class);
intent.putExtra(TetherUtil.EXTRA_RUN_PROVISION, true);
intent.putExtra(ConnectivityManager.EXTRA_RUN_PROVISION, true);
PendingIntent pendingIntent = PendingIntent.getService(this, 0, intent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
@@ -248,7 +261,7 @@ public class TetherService extends Service {
*/
public static void cancelRecheckAlarmIfNecessary(final Context context, int type) {
Intent intent = new Intent(context, TetherService.class);
intent.putExtra(TetherUtil.EXTRA_REM_TETHER_TYPE, type);
intent.putExtra(ConnectivityManager.EXTRA_REM_TETHER_TYPE, type);
context.startService(intent);
}
@@ -264,6 +277,20 @@ public class TetherService extends Service {
if (DEBUG) Log.d(TAG, "Tethering no longer active, canceling recheck");
}
private void fireCallbacksForType(int type, int result) {
List<ResultReceiver> callbacksForType = mPendingCallbacks.get(type);
if (callbacksForType == null) {
return;
}
int errorCode = result == RESULT_OK ? ConnectivityManager.TETHER_ERROR_NO_ERROR :
ConnectivityManager.TETHER_ERROR_PROVISION_FAILED;
for (ResultReceiver callback : callbacksForType) {
if (DEBUG) Log.d(TAG, "Firing result: " + errorCode + " to callback");
callback.send(errorCode, null);
}
callbacksForType.clear();
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
@@ -278,24 +305,21 @@ public class TetherService extends Service {
}
int checkType = mCurrentTethers.get(mCurrentTypeIndex);
mInProvisionCheck = false;
if (intent.getIntExtra(EXTRA_RESULT, RESULT_DEFAULT) == RESULT_OK) {
if (checkType == TetherUtil.TETHERING_WIFI && mEnableWifiAfterCheck) {
enableWifiTetheringIfNeeded();
mEnableWifiAfterCheck = false;
}
} else {
int result = intent.getIntExtra(EXTRA_RESULT, RESULT_DEFAULT);
if (result != RESULT_OK) {
switch (checkType) {
case TetherUtil.TETHERING_WIFI:
case ConnectivityManager.TETHERING_WIFI:
disableWifiTethering();
break;
case TetherUtil.TETHERING_BLUETOOTH:
case ConnectivityManager.TETHERING_BLUETOOTH:
disableBtTethering();
break;
case TetherUtil.TETHERING_USB:
case ConnectivityManager.TETHERING_USB:
disableUsbTethering();
break;
}
}
fireCallbacksForType(checkType, result);
if (++mCurrentTypeIndex >= mCurrentTethers.size()) {
// We are done with all checks, time to die.

View File

@@ -47,10 +47,10 @@ import com.android.settingslib.TetherUtil;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicReference;
import static com.android.settingslib.TetherUtil.TETHERING_BLUETOOTH;
import static com.android.settingslib.TetherUtil.TETHERING_INVALID;
import static com.android.settingslib.TetherUtil.TETHERING_USB;
import static com.android.settingslib.TetherUtil.TETHERING_WIFI;
import static android.net.ConnectivityManager.TETHERING_BLUETOOTH;
import static android.net.ConnectivityManager.TETHERING_INVALID;
import static android.net.ConnectivityManager.TETHERING_USB;
import static android.net.ConnectivityManager.TETHERING_WIFI;
/*
* Displays preferences for Tethering.