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/*
* Copyright (C) 2013 Andrew Comminos
*
* 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 com.morlunk.jumble;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.media.AudioManager;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.PowerManager;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.util.Log;
import android.widget.Toast;
import com.morlunk.jumble.audio.Audio;
import com.morlunk.jumble.audio.AudioInput;
import com.morlunk.jumble.audio.AudioOutput;
import com.morlunk.jumble.model.Channel;
import com.morlunk.jumble.model.Message;
import com.morlunk.jumble.model.Server;
import com.morlunk.jumble.model.User;
import com.morlunk.jumble.net.JumbleConnection;
import com.morlunk.jumble.net.JumbleConnectionException;
import com.morlunk.jumble.net.JumbleTCPMessageType;
import com.morlunk.jumble.net.JumbleUDPMessageType;
import com.morlunk.jumble.protobuf.Mumble;
import com.morlunk.jumble.protocol.ChannelHandler;
import com.morlunk.jumble.protocol.TextMessageHandler;
import com.morlunk.jumble.protocol.UserHandler;
import java.security.Security;
import java.util.ArrayList;
import java.util.List;
public class JumbleService extends Service implements JumbleConnection.JumbleConnectionListener {
static {
// Use Spongy Castle for crypto implementation so we can create and manage PKCS #12 (.p12) certificates.
Security.insertProviderAt(new org.spongycastle.jce.provider.BouncyCastleProvider(), 1);
}
/** Intent to connect to a Mumble server. See extras. **/
public static final String ACTION_CONNECT = "com.morlunk.jumble.CONNECT";
public static final String EXTRAS_SERVER = "server";
public static final String EXTRAS_AUTO_RECONNECT = "auto_reconnect";
public static final String EXTRAS_AUTO_RECONNECT_DELAY = "auto_reconnect_delay";
public static final String EXTRAS_CERTIFICATE = "certificate";
public static final String EXTRAS_CERTIFICATE_PASSWORD = "certificate_password";
public static final String EXTRAS_DETECTION_THRESHOLD = "detection_threshold";
public static final String EXTRAS_AMPLITUDE_BOOST = "amplitude_boost";
public static final String EXTRAS_TRANSMIT_MODE = "transmit_mode";
public static final String EXTRAS_INPUT_RATE = "input_frequency";
public static final String EXTRAS_INPUT_QUALITY = "input_quality";
public static final String EXTRAS_USE_OPUS = "use_opus";
public static final String EXTRAS_FORCE_TCP = "force_tcp";
public static final String EXTRAS_USE_TOR = "use_tor";
public static final String EXTRAS_CLIENT_NAME = "client_name";
public static final String EXTRAS_ACCESS_TOKENS = "access_tokens";
public static final String EXTRAS_AUDIO_SOURCE = "audio_source";
public static final String EXTRAS_AUDIO_STREAM = "audio_stream";
public static final String EXTRAS_FRAMES_PER_PACKET = "frames_per_packet";
public static final String ACTION_DISCONNECT = "com.morlunk.jumble.DISCONNECT";
// Service settings
public Server mServer;
public boolean mAutoReconnect;
public int mAutoReconnectDelay;
public byte[] mCertificate;
public String mCertificatePassword;
public float mDetectionThreshold;
public float mAmplitudeBoost;
public int mTransmitMode;
public boolean mUseOpus;
public int mInputRate;
public int mInputQuality;
public boolean mForceTcp;
public boolean mUseTor;
public String mClientName;
public List<String> mAccessTokens;
public int mAudioSource;
public int mAudioStream;
public int mFramesPerPacket;
private JumbleConnection mConnection;
private ChannelHandler mChannelHandler;
private UserHandler mUserHandler;
private TextMessageHandler mTextMessageHandler;
private AudioOutput mAudioOutput;
private AudioInput mAudioInput;
private PowerManager.WakeLock mWakeLock;
/* FIXME
private AudioManager.OnAudioFocusChangeListener mAudioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(int focusChange) {
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
mAudioOutput.startPlaying(false);
break;
case AudioManager.AUDIOFOCUS_LOSS:
mAudioOutput.stopPlaying();
break;
}
}
};
*/
private boolean mBluetoothOn = false;
private BroadcastReceiver mBluetoothReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
int audioState = intent.getIntExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, AudioManager.SCO_AUDIO_STATE_ERROR);
switch (audioState) {
case AudioManager.SCO_AUDIO_STATE_CONNECTED:
Toast.makeText(JumbleService.this, R.string.bluetooth_connected, Toast.LENGTH_LONG).show();
mAudioOutput.stopPlaying();
if(isConnected()) {
mBluetoothOn = true;
mAudioOutput.startPlaying(true);
}
break;
case AudioManager.SCO_AUDIO_STATE_DISCONNECTED:
case AudioManager.SCO_AUDIO_STATE_ERROR:
if(mAudioOutput.isPlaying() && mBluetoothOn)
Toast.makeText(JumbleService.this, R.string.bluetooth_disconnected, Toast.LENGTH_LONG).show();
mAudioOutput.stopPlaying();
if(isConnected())
mAudioOutput.startPlaying(false);
mBluetoothOn = false;
break;
}
}
};
private AudioInput.AudioInputListener mAudioInputListener = new AudioInput.AudioInputListener() {
@Override
public void onFrameEncoded(byte[] data, int length, JumbleUDPMessageType messageType) {
if(isConnected())
mConnection.sendUDPMessage(data, length, false);
}
@Override
public void onTalkStateChanged(final boolean talking) {
try {
if(!isConnected())
return;
final User currentUser = getBinder().getSessionUser();
new Handler(getMainLooper()).post(new Runnable() {
@Override
public void run() {
currentUser.setTalkState(talking ? User.TalkState.TALKING : User.TalkState.PASSIVE);
notifyObservers(new ObserverRunnable() {
@Override
public void run(IJumbleObserver observer) throws RemoteException {
observer.onUserTalkStateUpdated(currentUser);
}
});
}
});
} catch (RemoteException e) {
e.printStackTrace();
}
}
};
private int mPermissions;
private List<Message> mMessageLog = new ArrayList<Message>();
private boolean mReconnecting;
private RemoteCallbackList<IJumbleObserver> mObservers = new RemoteCallbackList<IJumbleObserver>();
/**
* Interface to communicate with observers through the service.
*/
public interface ObserverRunnable {
public void run(IJumbleObserver observer) throws RemoteException;
}
private IJumbleService.Stub mBinder = new IJumbleService.Stub() {
@Override
public void disconnect() throws RemoteException {
if(isConnected())
JumbleService.this.disconnect();
}
@Override
public boolean isConnected() throws RemoteException {
if(mConnection != null)
return mConnection.isConnected();
return false;
}
@Override
public boolean isConnecting() throws RemoteException {
return mConnection != null && !mConnection.isConnected();
}
@Override
public boolean isReconnecting() throws RemoteException {
return mReconnecting;
}
@Override
public void cancelReconnect() throws RemoteException {
mReconnecting = false;
}
@Override
public long getTCPLatency() throws RemoteException {
return mConnection.getTCPLatency();
}
@Override
public long getUDPLatency() throws RemoteException {
return mConnection.getUDPLatency();
}
@Override
public int getMaxBandwidth() throws RemoteException {
return mConnection.getMaxBandwidth();
}
@Override
public int getCurrentBandwidth() throws RemoteException {
return 0;
}
@Override
public int getServerVersion() throws RemoteException {
return mConnection.getServerVersion();
}
@Override
public String getServerRelease() throws RemoteException {
return mConnection.getServerRelease();
}
@Override
public String getServerOSName() throws RemoteException {
return mConnection.getServerOSName();
}
@Override
public String getServerOSVersion() throws RemoteException {
return mConnection.getServerOSVersion();
}
@Override
public int getSession() throws RemoteException {
return mConnection.getSession();
}
@Override
public User getSessionUser() throws RemoteException {
return mUserHandler != null ? mUserHandler.getUser(getSession()) : null;
}
@Override
public Channel getSessionChannel() throws RemoteException {
User user = getSessionUser();
return getChannel(user.getChannelId());
}
@Override
public Server getConnectedServer() throws RemoteException {
return mServer;
}
@Override
public User getUser(int id) throws RemoteException {
return mUserHandler.getUser(id);
}
@Override
public Channel getChannel(int id) throws RemoteException {
return mChannelHandler.getChannel(id);
}
@Override
public List getUserList() throws RemoteException {
return mUserHandler.getUsers();
}
@Override
public List getChannelList() throws RemoteException {
return mChannelHandler.getChannels();
}
@Override
public int getPermissions() throws RemoteException {
return mPermissions;
}
@Override
public List getMessageLog() throws RemoteException {
return mMessageLog;
}
@Override
public void clearMessageLog() throws RemoteException {
mMessageLog.clear();
}
@Override
public int getTransmitMode() throws RemoteException {
return mTransmitMode;
}
@Override
public void setTransmitMode(int transmitMode) throws RemoteException {
mTransmitMode = transmitMode;
mAudioInput.setTransmitMode(mTransmitMode);
// Reconfigure audio input/output to accommodate for change in transmit mode.
if(mConnection != null && mConnection.isConnected()) {
if(transmitMode == Constants.TRANSMIT_CONTINUOUS || transmitMode == Constants.TRANSMIT_VOICE_ACTIVITY)
mAudioInput.startRecording();
else
mAudioInput.stopRecording();
}
}
@Override
public void setVADThreshold(float threshold) throws RemoteException {
if(mAudioInput != null)
mAudioInput.setVADThreshold(threshold);
}
@Override
public void setAmplitudeBoost(float boost) throws RemoteException {
mAmplitudeBoost = boost;
if(mAudioInput != null) mAudioInput.setAmplitudeBoost(boost);
}
@Override
public int getCodec() throws RemoteException {
return mConnection.getCodec();
}
@Override
public boolean isTalking() throws RemoteException {
return mAudioInput.isRecording();
}
@Override
public void setTalkingState(boolean talking) throws RemoteException {
if(talking) mAudioInput.startRecording();
else mAudioInput.stopRecording();
}
@Override
public boolean isBluetoothAvailable() throws RemoteException {
AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
return audioManager.isBluetoothScoOn();
}
@Override
public void setBluetoothEnabled(boolean enabled) throws RemoteException {
AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
if(enabled) audioManager.startBluetoothSco();
else audioManager.stopBluetoothSco();
}
@Override
public void joinChannel(int channel) throws RemoteException {
moveUserToChannel(getSession(), channel);
}
@Override
public void moveUserToChannel(int session, int channel) throws RemoteException {
Mumble.UserState.Builder usb = Mumble.UserState.newBuilder();
usb.setSession(session);
usb.setChannelId(channel);
mConnection.sendTCPMessage(usb.build(), JumbleTCPMessageType.UserState);
}
@Override
public void createChannel(int parent, String name, String description, int position, boolean temporary) throws RemoteException {
Mumble.ChannelState.Builder csb = Mumble.ChannelState.newBuilder();
csb.setParent(parent);
csb.setName(name);
csb.setDescription(description);
csb.setPosition(position);
csb.setTemporary(temporary);
mConnection.sendTCPMessage(csb.build(), JumbleTCPMessageType.ChannelState);
}
@Override
public void sendAccessTokens(List tokens) throws RemoteException {
Mumble.Authenticate.Builder ab = Mumble.Authenticate.newBuilder();
ab.addAllTokens(tokens);
mConnection.sendTCPMessage(ab.build(), JumbleTCPMessageType.Authenticate);
}
@Override
public void requestBanList() throws RemoteException {
// TODO
}
@Override
public void requestUserList() throws RemoteException {
// TODO
}
@Override
public void requestPermissions(int channel) throws RemoteException {
Mumble.PermissionQuery.Builder pqb = Mumble.PermissionQuery.newBuilder();
pqb.setChannelId(channel);
mConnection.sendTCPMessage(pqb.build(), JumbleTCPMessageType.PermissionQuery);
}
@Override
public void requestComment(int session) throws RemoteException {
Mumble.RequestBlob.Builder rbb = Mumble.RequestBlob.newBuilder();
rbb.addSessionComment(session);
mConnection.sendTCPMessage(rbb.build(), JumbleTCPMessageType.RequestBlob);
}
@Override
public void requestChannelDescription(int channel) throws RemoteException {
Mumble.RequestBlob.Builder rbb = Mumble.RequestBlob.newBuilder();
rbb.addChannelDescription(channel);
mConnection.sendTCPMessage(rbb.build(), JumbleTCPMessageType.RequestBlob);
}
@Override
public void registerUser(int session) throws RemoteException {
Mumble.UserState.Builder usb = Mumble.UserState.newBuilder();
usb.setSession(session);
usb.setUserId(0);
mConnection.sendTCPMessage(usb.build(), JumbleTCPMessageType.UserState);
}
@Override
public void kickBanUser(int session, String reason, boolean ban) throws RemoteException {
Mumble.UserRemove.Builder urb = Mumble.UserRemove.newBuilder();
urb.setSession(session);
urb.setReason(reason);
urb.setBan(ban);
mConnection.sendTCPMessage(urb.build(), JumbleTCPMessageType.UserRemove);
}
@Override
public Message sendUserTextMessage(int session, String message) throws RemoteException {
Mumble.TextMessage.Builder tmb = Mumble.TextMessage.newBuilder();
tmb.addSession(session);
tmb.setMessage(message);
mConnection.sendTCPMessage(tmb.build(), JumbleTCPMessageType.TextMessage);
User self = getSessionUser();
User user = getUser(session);
List<User> users = new ArrayList<User>(1);
users.add(user);
Message logMessage = new Message(getSession(), self.getName(), new ArrayList<Channel>(0), new ArrayList<Channel>(0), users, message);
mMessageLog.add(logMessage);
return logMessage;
}
@Override
public Message sendChannelTextMessage(int channel, String message, boolean tree) throws RemoteException {
Mumble.TextMessage.Builder tmb = Mumble.TextMessage.newBuilder();
if(tree) tmb.addTreeId(channel);
else tmb.addChannelId(channel);
tmb.setMessage(message);
mConnection.sendTCPMessage(tmb.build(), JumbleTCPMessageType.TextMessage);
User self = getSessionUser();
Channel targetChannel = getChannel(channel);
List<Channel> targetChannels = new ArrayList<Channel>();
targetChannels.add(targetChannel);
Message logMessage = new Message(getSession(), self.getName(), targetChannels, tree ? targetChannels : new ArrayList<Channel>(0), new ArrayList<User>(0), message);
mMessageLog.add(logMessage);
return logMessage;
}
@Override
public void setUserComment(int session, String comment) throws RemoteException {
Mumble.UserState.Builder usb = Mumble.UserState.newBuilder();
usb.setSession(session);
usb.setComment(comment);
mConnection.sendTCPMessage(usb.build(), JumbleTCPMessageType.UserState);
}
@Override
public void setPrioritySpeaker(int session, boolean priority) throws RemoteException {
Mumble.UserState.Builder usb = Mumble.UserState.newBuilder();
usb.setSession(session);
usb.setPrioritySpeaker(priority);
mConnection.sendTCPMessage(usb.build(), JumbleTCPMessageType.UserState);
}
@Override
public void removeChannel(int channel) throws RemoteException {
Mumble.ChannelRemove.Builder crb = Mumble.ChannelRemove.newBuilder();
crb.setChannelId(channel);
mConnection.sendTCPMessage(crb.build(), JumbleTCPMessageType.ChannelRemove);
}
@Override
public void setMuteDeafState(int session, boolean mute, boolean deaf) throws RemoteException {
Mumble.UserState.Builder usb = Mumble.UserState.newBuilder();
usb.setSession(session);
usb.setMute(mute);
usb.setDeaf(deaf);
mConnection.sendTCPMessage(usb.build(), JumbleTCPMessageType.UserState);
}
@Override
public void setSelfMuteDeafState(boolean mute, boolean deaf) throws RemoteException {
Mumble.UserState.Builder usb = Mumble.UserState.newBuilder();
usb.setSelfMute(mute);
usb.setSelfDeaf(deaf);
if(!mute && (mTransmitMode == Constants.TRANSMIT_CONTINUOUS || mTransmitMode == Constants.TRANSMIT_VOICE_ACTIVITY))
mAudioInput.startRecording(); // Resume recording when unmuted for PTT.
else
mAudioInput.stopRecording(); // Stop recording when muted.
mConnection.sendTCPMessage(usb.build(), JumbleTCPMessageType.UserState);
}
@Override
public void registerObserver(IJumbleObserver observer) {
mObservers.register(observer);
}
@Override
public void unregisterObserver(IJumbleObserver observer) {
mObservers.unregister(observer);
}
};
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if(intent != null &&
intent.getAction() != null &&
intent.getExtras() != null &&
intent.getAction().equals(ACTION_CONNECT)) {
// Get connection parameters
Bundle extras = intent.getExtras();
mServer = extras.getParcelable(EXTRAS_SERVER);
mAutoReconnect = extras.getBoolean(EXTRAS_AUTO_RECONNECT, true);
mAutoReconnectDelay = extras.getInt(EXTRAS_AUTO_RECONNECT_DELAY, 5000);
mCertificate = extras.getByteArray(EXTRAS_CERTIFICATE);
mCertificatePassword = extras.getString(EXTRAS_CERTIFICATE_PASSWORD);
mDetectionThreshold = extras.getFloat(EXTRAS_DETECTION_THRESHOLD, 0.5f);
mAmplitudeBoost = extras.getFloat(EXTRAS_AMPLITUDE_BOOST, 1.0f);
mTransmitMode = extras.getInt(EXTRAS_TRANSMIT_MODE, Constants.TRANSMIT_VOICE_ACTIVITY);
mInputRate = extras.getInt(EXTRAS_INPUT_RATE, Audio.SAMPLE_RATE);
mInputQuality = extras.getInt(EXTRAS_INPUT_QUALITY, 40000);
mUseOpus = extras.getBoolean(EXTRAS_USE_OPUS, true);
mUseTor = extras.getBoolean(EXTRAS_USE_TOR, false);
mForceTcp = extras.getBoolean(EXTRAS_FORCE_TCP, false) || mUseTor; // Tor requires TCP connections to work- if it's on, force TCP.
mClientName = extras.containsKey(EXTRAS_CLIENT_NAME) ? extras.getString(EXTRAS_CLIENT_NAME) : "Jumble";
mAccessTokens = extras.getStringArrayList(EXTRAS_ACCESS_TOKENS);
mAudioSource = extras.getInt(EXTRAS_AUDIO_SOURCE, MediaRecorder.AudioSource.MIC);
mAudioStream = extras.getInt(EXTRAS_AUDIO_STREAM, AudioManager.STREAM_MUSIC);
mFramesPerPacket = extras.getInt(EXTRAS_FRAMES_PER_PACKET, 2);
connect();
}
return START_NOT_STICKY;
}
@Override
public void onCreate() {
super.onCreate();
PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Jumble");
}
@Override
public void onDestroy() {
mObservers.kill();
super.onDestroy();
}
public IBinder onBind(Intent intent) {
return mBinder;
}
public IJumbleService getBinder() {
return mBinder;
}
public void connect() {
try {
mConnection = new JumbleConnection(this, this, mServer, mClientName, mCertificate, mCertificatePassword, mForceTcp, mUseOpus, mUseTor);
} catch (final JumbleConnectionException e) {
e.printStackTrace();
notifyObservers(new ObserverRunnable() {
@Override
public void run(IJumbleObserver observer) throws RemoteException {
observer.onConnectionError(e.getMessage(), e.isAutoReconnectAllowed());
}
});
return;
}
mPermissions = 0;
mReconnecting = false;
mChannelHandler = new ChannelHandler(this);
mUserHandler = new UserHandler(this);
mTextMessageHandler = new TextMessageHandler(this);
mAudioOutput = new AudioOutput(this, mAudioStream);
mAudioInput = new AudioInput(this, JumbleUDPMessageType.UDPVoiceOpus, mAudioSource, mInputRate, mInputQuality, mTransmitMode, mDetectionThreshold, mAmplitudeBoost, mFramesPerPacket, mAudioInputListener);
mConnection.addTCPMessageHandlers(mChannelHandler, mUserHandler, mTextMessageHandler, mAudioOutput, mAudioInput);
mConnection.addUDPMessageHandlers(mAudioOutput);
mConnection.connect();
}
public void disconnect() {
new Thread(new Runnable() {
@Override
public void run() {
mConnection.disconnect();
mConnection = null;
}
}).start();
}
public boolean isConnected() {
return mConnection != null && mConnection.isConnected();
}
@Override
public void onConnectionEstablished() {
Log.v(Constants.TAG, "Connected");
mWakeLock.acquire();
// Send access tokens
Mumble.Authenticate.Builder ab = Mumble.Authenticate.newBuilder();
ab.addAllTokens(mAccessTokens);
mConnection.sendTCPMessage(ab.build(), JumbleTCPMessageType.Authenticate);
mAudioOutput.startPlaying(false);
// Configure audio manager FIXME audio focus
// AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
// int result = audioManager.requestAudioFocus(mAudioFocusChangeListener,
// AudioManager.STREAM_MUSIC,
// AudioManager.AUDIOFOCUS_GAIN);
// TODO handle result
// This sticky broadcast will initialize the audio output.
registerReceiver(mBluetoothReceiver, new IntentFilter(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED));
if(mTransmitMode == Constants.TRANSMIT_CONTINUOUS || mTransmitMode == Constants.TRANSMIT_VOICE_ACTIVITY)
mAudioInput.startRecording();
notifyObservers(new ObserverRunnable() {
@Override
public void run(IJumbleObserver observer) throws RemoteException {
observer.onConnected();
}
});
}
@Override
public void onConnectionDisconnected() {
Log.v(Constants.TAG, "Disconnected");
if(mWakeLock.isHeld()) mWakeLock.release();
try {
unregisterReceiver(mBluetoothReceiver);
} catch (IllegalArgumentException e) {
e.printStackTrace();
}
mAudioOutput.stopPlaying();
mAudioInput.stopRecordingAndWait();
mAudioInput.destroy();
// Restore audio manager mode
AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
// audioManager.abandonAudioFocus(mAudioFocusChangeListener);
audioManager.stopBluetoothSco();
notifyObservers(new ObserverRunnable() {
@Override
public void run(IJumbleObserver observer) throws RemoteException {
observer.onDisconnected();
}
});
mMessageLog.clear();
}
@Override
public void onConnectionError(final JumbleConnectionException e) {
Log.e(Constants.TAG, "Connection error: "+e.getMessage());
mReconnecting = mAutoReconnect && e.isAutoReconnectAllowed();
if(mReconnecting) {
Handler mainHandler = new Handler();
mainHandler.postDelayed(new Runnable() {
@Override
public void run() {
if(mReconnecting) connect();
}
}, mAutoReconnectDelay);
}
notifyObservers(new ObserverRunnable() {
@Override
public void run(IJumbleObserver observer) throws RemoteException {
observer.onConnectionError(e.getMessage(), mReconnecting);
}
});
}
@Override
public void onConnectionWarning(String warning) {
logWarning(warning);
}
/**
* Returns the user ID of this user session.
* @return Identifier for the local user.
*/
public int getSession() {
return mConnection.getSession();
}
public UserHandler getUserHandler() {
return mUserHandler;
}
public ChannelHandler getChannelHandler() {
return mChannelHandler;
}
public void setPermissions(int permissions) {
mPermissions = permissions;
}
/*
* --- HERE BE CALLBACKS ---
* This code will be called by components of the service like ChannelHandler.
*/
/**
* Logs a warning message to the client.
* @param warning An HTML warning string to be messaged to the client.
*/
public void logWarning(final String warning) {
final Message message = new Message(Message.Type.WARNING, warning);
logMessage(message);
}
/**
* Logs an info message to the client.
* @param info An HTML info string to be messaged to the client.
*/
public void logInfo(final String info) {
if(!mConnection.isSynchronized())
return; // Don't log messages while synchronizing.
final Message message = new Message(Message.Type.INFO, info);
logMessage(message);
}
/**
* Logs a message to the client.
* @param message A message to log to the client.
*/
public void logMessage(final Message message) {
mMessageLog.add(message);
notifyObservers(new ObserverRunnable() {
@Override
public void run(IJumbleObserver observer) throws RemoteException {
observer.onMessageLogged(message);
}
});
}
/**
* Iterates through all registered IJumbleObservers and performs the action implemented in the passed ObserverRunnable.
* @param runnable A runnable to execute on each observer.
*/
public void notifyObservers(ObserverRunnable runnable) {
int i = mObservers.beginBroadcast();
while(i > 0) {
i--;
try {
runnable.run(mObservers.getBroadcastItem(i));
} catch (RemoteException e) {
e.printStackTrace();
}
}
mObservers.finishBroadcast();
}
}
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