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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.bluetooth;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.content.Context;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
/**
* @hide
*/
public final class BluetoothPan {
private static final String TAG = "BluetoothPan";
private static final boolean DBG = false;
/** int extra for ACTION_PAN_STATE_CHANGED */
public static final String EXTRA_PAN_STATE =
"android.bluetooth.pan.extra.STATE";
/** int extra for ACTION_PAN_STATE_CHANGED */
public static final String EXTRA_PREVIOUS_PAN_STATE =
"android.bluetooth.pan.extra.PREVIOUS_STATE";
/** Indicates the state of an PAN device has changed.
* This intent will always contain EXTRA_DEVICE_STATE,
* EXTRA_PREVIOUS_DEVICE_STATE and BluetoothDevice.EXTRA_DEVICE
* extras.
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
public static final String ACTION_PAN_STATE_CHANGED =
"android.bluetooth.pan.action.STATE_CHANGED";
public static final String NAP_ROLE = "nap";
public static final String NAP_BRIDGE = "pan1";
public static final int MAX_CONNECTIONS = 7;
public static final int STATE_DISCONNECTED = 0;
public static final int STATE_CONNECTING = 1;
public static final int STATE_CONNECTED = 2;
public static final int STATE_DISCONNECTING = 3;
private final IBluetooth mService;
private final Context mContext;
/**
* Create a BluetoothPan proxy object for interacting with the local
* Bluetooth Pan service.
* @param c Context
*/
public BluetoothPan(Context c) {
mContext = c;
IBinder b = ServiceManager.getService(BluetoothAdapter.BLUETOOTH_SERVICE);
if (b != null) {
mService = IBluetooth.Stub.asInterface(b);
} else {
Log.w(TAG, "Bluetooth Service not available!");
// Instead of throwing an exception which prevents people from going
// into Wireless settings in the emulator. Let it crash later
// when it is actually used.
mService = null;
}
}
/**
* Initiate a PAN connection.
*
* This function returns false on error and true if the connection
* attempt is being made.
*
* Listen for {@link #ACTION_PAN_STATE_CHANGED} to find out when the
* connection is completed.
*
* @param device Remote BT device.
* @return false on immediate error, true otherwise
* @hide
*/
public boolean connect(BluetoothDevice device) {
if (DBG) log("connect(" + device + ")");
try {
return mService.connectPanDevice(device);
} catch (RemoteException e) {
Log.e(TAG, "", e);
return false;
}
}
/**
* Initiate disconnect from PAN.
*
* This function return false on error and true if the disconnection
* attempt is being made.
*
* Listen for {@link #ACTION_PAN_STATE_CHANGED} to find out when
* disconnect is completed.
*
* @param device Remote BT device.
* @return false on immediate error, true otherwise
* @hide
*/
public boolean disconnect(BluetoothDevice device) {
if (DBG) log("disconnect(" + device + ")");
try {
return mService.disconnectPanDevice(device);
} catch (RemoteException e) {
Log.e(TAG, "", e);
return false;
}
}
/** Get the state of a PAN Device.
*
* This function returns an int representing the state of the PAN connection
*
* @param device Remote BT device.
* @return The current state of the PAN Device
* @hide
*/
public int getPanDeviceState(BluetoothDevice device) {
if (DBG) log("getPanDeviceState(" + device + ")");
try {
return mService.getPanDeviceState(device);
} catch (RemoteException e) {
Log.e(TAG, "", e);
return STATE_DISCONNECTED;
}
}
/** Returns a set of all the connected PAN Devices
*
* Does not include devices that are currently connecting or disconnecting
*
* @return List of PAN devices or empty on Error
* @hide
*/
public List<BluetoothDevice> getConnectedDevices() {
if (DBG) log("getConnectedDevices");
try {
return mService.getConnectedPanDevices();
} catch (RemoteException e) {
Log.e(TAG, "", e);
return new ArrayList<BluetoothDevice>();
}
}
private static void log(String msg) {
Log.d(TAG, msg);
}
public void setBluetoothTethering(boolean value) {
try {
mService.setBluetoothTethering(value);
} catch (RemoteException e) {
Log.e(TAG, "", e);
}
}
public boolean isTetheringOn() {
try {
return mService.isTetheringOn();
} catch (RemoteException e) {
Log.e(TAG, "", e);
return false;
}
}
}
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