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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.libreoffice.impressremote.communication;
import java.util.Collection;
import java.util.HashMap;
import org.libreoffice.impressremote.Globals;
import org.libreoffice.impressremote.communication.Server.Protocol;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Handler;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;
public class BluetoothFinder {
// TODO: add removal of cached items
private Context mContext;
BluetoothAdapter mAdapter;
public BluetoothFinder(Context aContext) {
mContext = aContext;
mAdapter = BluetoothAdapter.getDefaultAdapter();
}
public void startFinding() {
if (mAdapter == null) {
return; // No bluetooth adapter found (emulator, special devices)
}
IntentFilter aFilter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
aFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
aFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
mContext.registerReceiver(mReceiver, aFilter);
mAdapter.startDiscovery();
}
public void stopFinding() {
if (mAdapter == null) {
return; // No bluetooth adapter found (emulator, special devices)
}
mAdapter.cancelDiscovery();
try {
mContext.unregisterReceiver(mReceiver);
} catch (IllegalArgumentException e) {
// The receiver wasn't registered
}
}
private HashMap<String, Server> mServerList = new HashMap<String, Server>();
public Collection<Server> getServerList() {
return mServerList.values();
}
private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent aIntent) {
if (aIntent.getAction().equals(BluetoothDevice.ACTION_FOUND)) {
BluetoothDevice aDevice = (BluetoothDevice) aIntent.getExtras()
.get(BluetoothDevice.EXTRA_DEVICE);
Log.i(Globals.TAG, "BluetoothFinder.onReceive: found " + aDevice.getName() + " at " + aDevice.getAddress());
Server aServer = new Server(Protocol.BLUETOOTH,
aDevice.getAddress(), aDevice.getName(),
System.currentTimeMillis());
mServerList.put(aServer.getAddress(), aServer);
Intent aNIntent = new Intent(
CommunicationService.MSG_SERVERLIST_CHANGED);
LocalBroadcastManager.getInstance(mContext).sendBroadcast(
aNIntent);
} else if (aIntent.getAction().equals(
BluetoothAdapter.ACTION_DISCOVERY_FINISHED)
|| aIntent.getAction()
.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
// Start discovery again after a small delay.
// but check whether device is on incase the user manually
// disabled bluetooth
if (mAdapter.isEnabled()) {
Handler aHandler = new Handler();
aHandler.postDelayed(new Runnable() {
@Override
public void run() {
// Looping, huh?
Log.i(Globals.TAG, "BluetothFinder: looping");
}
}, 1000 * 15);
}
}
}
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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