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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 android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.os.Messenger;
public class CommunicationService extends Service implements Runnable {
public enum State {
DISCONNECTED, SEARCHING, CONNECTING, CONNECTED
};
/**
* Used to protect all writes to mState, mStateDesired, and mServerDesired.
*/
private Object mConnectionVariableMutex = new Object();
private State mState = State.DISCONNECTED;
private State mStateDesired = State.DISCONNECTED;
private Server mServerDesired = null;
@Override
public void run() {
while (true) {
// Condition
try {
wait();
} catch (InterruptedException e) {
// We don't care.
}
// Work
synchronized (mConnectionVariableMutex) {
if ((mStateDesired == State.CONNECTED && mState == State.CONNECTED)
|| (mStateDesired == State.DISCONNECTED && mState == State.CONNECTED)) {
mClient.closeConnection();
mState = State.DISCONNECTED;
}
if (mStateDesired == State.CONNECTED) {
switch (mServerDesired.getProtocol()) {
case NETWORK:
mClient = new NetworkClient(
mServerDesired.getAddress(), this);
mTransmitter = new Transmitter(mClient);
mClient.setReceiver(mReceiver);
break;
case BLUETOOTH:
break;
}
mState = State.CONNECTED;
}
}
}
}
public void startSearching() {
synchronized (mConnectionVariableMutex) {
if (mState == State.CONNECTING || mState == State.CONNECTED) {
disconnect();
}
mFinder.startFinding();
mState = State.SEARCHING;
}
}
public void stopSearching() {
synchronized (mConnectionVariableMutex) {
mFinder.stopFinding();
mState = State.DISCONNECTED;
}
}
public void connectTo(Server aServer) {
synchronized (mConnectionVariableMutex) {
if (mState == State.SEARCHING) {
mFinder.stopFinding();
mState = State.DISCONNECTED;
}
mServerDesired = aServer;
mStateDesired = State.CONNECTED;
notify();
}
// TODO: connect
}
public void disconnect() {
synchronized (mConnectionVariableMutex) {
mStateDesired = State.DISCONNECTED;
notify();
}
}
/**
* Return the service to clients.
*/
public class CBinder extends Binder {
public CommunicationService getService() {
return CommunicationService.this;
}
}
private final IBinder mBinder = new CBinder();
public static final int MSG_SLIDESHOW_STARTED = 1;
public static final int MSG_SLIDE_CHANGED = 2;
public static final int MSG_SLIDE_PREVIEW = 3;
public static final int MSG_SLIDE_NOTES = 4;
public static final String MSG_SERVERLIST_CHANGED = "SERVERLIST_CHANGED";
public static final String MSG_PAIRING_STARTED = "PAIRING_STARTED";
public static final String MSG_PAIRING_SUCCESSFUL = "PAIRING_SUCCESSFUL";
private Transmitter mTransmitter;
private Client mClient;
private Receiver mReceiver = new Receiver();
private ServerFinder mFinder = new ServerFinder(this);
public void setActivityMessenger(Messenger aActivityMessenger) {
mReceiver.setActivityMessenger(aActivityMessenger);
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return mBinder;
}
@Override
public void onCreate() {
// TODO Create a notification (if configured).
}
@Override
public void onDestroy() {
// TODO Destroy the notification (as necessary).
}
public Transmitter getTransmitter() {
return mTransmitter;
}
public Server[] getServers() {
return mFinder.getServerList();
}
public void startFindingServers() {
mFinder.startFinding();
}
public void stopFindingServers() {
mFinder.stopFinding();
}
public SlideShow getSlideShow() {
return mReceiver.getSlideShow();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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