package ca.cumulonimbus.barometernetwork;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Date;
import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.hardware.SensorManager;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.view.View;
import android.widget.RemoteViews;
import ca.cumulonimbus.barometernetwork.PressureNetApplication.TrackerName;
import ca.cumulonimbus.pressurenetsdk.CbApiCall;
import ca.cumulonimbus.pressurenetsdk.CbObservation;
import ca.cumulonimbus.pressurenetsdk.CbScience;
import ca.cumulonimbus.pressurenetsdk.CbService;
import ca.cumulonimbus.pressurenetsdk.CbSettingsHandler;
import com.google.android.gms.analytics.HitBuilders;
import com.google.android.gms.analytics.Tracker;
public class WidgetButtonService extends Service {
private double mReading = 0.0;
SensorManager sm;
boolean running = false;
boolean mIsBound = false;
public static final String PREFS_NAME = "ca.cumulonimbus.barometernetwork_preferences";
PressureUnit mUnit = new PressureUnit("mbar");
private String mAppDir = "";
CbSettingsHandler activeSettings;
ArrayList<CbObservation> listRecents = new ArrayList<CbObservation>();
private Intent mIntent;
// PressureNet 4.0
// SDK communication
boolean mBound;
private Messenger mMessenger = new Messenger(new IncomingHandler());
Messenger mService = null;
public void unBindCbService() {
if (mBound) {
unbindService(mConnection);
mBound = false;
}
}
/**
* Get the settings from the Cb database
*/
private void askForSettings() {
if (mBound) {
log("asking for settings");
Message msg = Message.obtain(null, CbService.MSG_GET_SETTINGS,
0, 0);
try {
msg.replyTo = mMessenger;
mService.send(msg);
} catch (RemoteException e) {
//e.printStackTrace();
}
} else {
log("widget error: not bound, cannot ask for settings");
}
}
private void sendSingleObservation() {
if (mBound) {
// Get tracker.
Tracker t = ((PressureNetApplication) getApplication()).getTracker(
TrackerName.APP_TRACKER);
// Build and send an Event.
t.send(new HitBuilders.EventBuilder()
.setCategory(BarometerNetworkActivity.GA_CATEGORY_MAIN_APP)
.setAction(BarometerNetworkActivity.GA_ACTION_BUTTON)
.setLabel("small_widget_sending_single_observation")
.build());
log("widget sending single observation");
Message msg = Message.obtain(null, CbService.MSG_SEND_OBSERVATION, 0, 0);
try {
msg.replyTo = mMessenger;
mService.send(msg);
} catch (RemoteException e) {
log("widget cannot send single obs, " + e.getMessage());
}
} else {
log("widget failed to send single obs; data management error: not bound");
}
}
@Override
public void onRebind(Intent intent) {
log("widget onrebind");
askForLocalRecents(3);
askForSettings();
super.onRebind(intent);
}
public void bindCbService() {
log("widget bind cbservice");
bindService(new Intent(getApplicationContext(), CbService.class),
mConnection, Context.BIND_AUTO_CREATE);
}
/**
* Handle communication with CbService. Listen for messages
* and act when they're received, sometimes responding with answers.
*
* @author jacob
*
*/
class IncomingHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case CbService.MSG_SETTINGS:
activeSettings = (CbSettingsHandler) msg.obj;
if (activeSettings != null) {
log("widgetbuttonservice got settings, share level " + activeSettings.getShareLevel());
log("Client Received from service "
+ activeSettings.getServerURL());
} else {
log("settings null");
}
break;
case CbService.MSG_LOCAL_RECENTS:
ArrayList<CbObservation> recents = (ArrayList<CbObservation>) msg.obj;
RemoteViews remoteView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.small_widget_layout);
CbObservation mostRecent = new CbObservation();
if(recents == null) {
break;
}
if(recents.size() == 0) {
remoteView.setTextViewText(R.id.widgetSmallText, "No data");
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(getApplicationContext());
ComponentName component = new ComponentName(getApplicationContext().getPackageName(), WidgetProvider.class.getName());
appWidgetManager.updateAppWidget(component, remoteView);
break;
}
try {
mReading = recents.get(recents.size() - 1).getObservationValue();
mostRecent = recents.get(recents.size() - 1);
} catch (NullPointerException npe ) {
break;
}
log("widget msg_local_recents received " + recents.size() + " mreading " + mReading);
DecimalFormat df = new DecimalFormat("####.#");
String message = "0.00";
if(mReading>1) {
message = df.format(mReading);
} else {
try {
message = mIntent.getStringExtra("msg");
//Toast.makeText(getApplicationContext(), "msg: " + msg, Toast.LENGTH_SHORT).show();
} catch(NullPointerException e) {
log("widget tried mintent getstringextra, failed");
}
}
try {
// TODO: fix ugly localization hack
if(message.contains(",")) {
message = message.replace(",", ".");
}
if(Double.parseDouble(message) != 0) {
// send the reading
// This is messy. Fix it.
SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
String abbrev = settings.getString("units", "mbar");
mUnit = new PressureUnit(abbrev);
double val = Double.valueOf(message);
if(settings.getBoolean("mslp", false)) {
val = CbScience.estimateMSLP(val, mostRecent.getLocation().getAltitude(), 15);
}
mUnit.setValue(val);
String toPrint = mUnit.getDisplayText();
toPrint = toPrint.replace(" ", "\n");
sendSingleObservation();
remoteView.setTextViewText(R.id.widgetSmallText, toPrint);
try {
String tendency = CbScience.findApproximateTendency(recents);
log("widget getting tendency, updating and sending: " + tendency + " from " + recents.size() + " recents");
if(tendency.contains("Rising")) {
remoteView.setInt(R.id.widget_tendency_image_up, "setVisibility", View.VISIBLE);
remoteView.setInt(R.id.widget_tendency_image_down, "setVisibility", View.GONE);
remoteView.setInt(R.id.widget_tendency_image_steady, "setVisibility", View.GONE);
} else if(tendency.contains("Falling")) {
remoteView.setInt(R.id.widget_tendency_image_up, "setVisibility", View.GONE);
remoteView.setInt(R.id.widget_tendency_image_down, "setVisibility", View.VISIBLE);
remoteView.setInt(R.id.widget_tendency_image_steady, "setVisibility", View.GONE);
} else if(tendency.contains("Steady")) {
remoteView.setInt(R.id.widget_tendency_image_up, "setVisibility", View.GONE);
remoteView.setInt(R.id.widget_tendency_image_down, "setVisibility", View.GONE);
remoteView.setInt(R.id.widget_tendency_image_steady, "setVisibility", View.VISIBLE);
} else {
remoteView.setInt(R.id.widget_tendency_image_up, "setVisibility", View.INVISIBLE);
remoteView.setInt(R.id.widget_tendency_image_down, "setVisibility", View.GONE);
remoteView.setInt(R.id.widget_tendency_image_steady, "setVisibility", View.GONE);
//remoteView.setInt(R.id.widgetSmallSubmitButton, "setImageResource", R.drawable.widget_button_drawable);
//remoteView.setFloat(R.id.widgetSmallSubmitButton, "setImageResource", R.drawable.widget_button_drawable);
//remoteView.setTextViewText(R.id.widgetSmallText, toPrint + "\n" + "--");
}
} catch(Exception e) {
//log("oy! " + e.getMessage());
}
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(getApplicationContext());
ComponentName component = new ComponentName(getApplicationContext().getPackageName(), WidgetProvider.class.getName());
appWidgetManager.updateAppWidget(component, remoteView);
} else {
//log("widget value is 0.0, didn't update");
}
} catch(Exception e) {
// :(
}
break;
case CbService.MSG_CHANGE_NOTIFICATION:
String change = (String) msg.obj;
// TODO: handle change notification
default:
break;
}
}
}
/**
* Communicate with CbService
*/
private ServiceConnection mConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
log("widget client says : service connected");
mService = new Messenger(service);
mBound = true;
Message msg = Message.obtain(null, CbService.MSG_OKAY);
log("widget client received " + msg.arg1 + " " + msg.arg2);
askForLocalRecents(3);
askForSettings();
}
public void onServiceDisconnected(ComponentName className) {
log("widget client: service disconnected");
mMessenger = null;
mBound = false;
}
};
private void askForLocalRecents(int hoursAgo) {
CbApiCall api = new CbApiCall();
api.setMinLat(-90);
api.setMaxLat(90);
api.setMinLon(-180);
api.setMaxLon(180);
api.setStartTime(System.currentTimeMillis()
- (hoursAgo * 60 * 60 * 1000));
api.setEndTime(System.currentTimeMillis());
Message msg = Message.obtain(null, CbService.MSG_GET_LOCAL_RECENTS,
api);
try {
msg.replyTo = mMessenger;
mService.send(msg);
} catch (RemoteException e) {
log("widget ask for local recents failed, " + e.getMessage());
}
}
public void update(Intent intent, double reading) {
log("widget binding to service (update call, reading " + reading + ")");
mIntent = intent;
bindCbService();
// TODO: clean this up, (sometimes runs twice?)
try {
askForLocalRecents(3);
} catch(Exception e) {
log("no recents, exception");
//e.printStackTrace();
}
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public void onStart(Intent intent, int startId) {
try {
mAppDir = intent.getStringExtra("appdir");
} catch(Exception e) {
}
update(intent,0.1);
super.onStart(intent, startId);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
// Log data to SD card for debug purposes.
// To enable logging, ensure the Manifest allows writing to SD card.
public void logToFile(String text) {
try {
OutputStream output = new FileOutputStream(mAppDir + "/log.txt", true);
String logString = (new Date()).toString() + ": " + text + "\n";
output.write(logString.getBytes());
output.close();
} catch(FileNotFoundException e) {
} catch(IOException ioe) {
}
}
public void log(String text) {
if(PressureNETConfiguration.DEBUG_MODE) {
System.out.println(text);
//logToFile(text);
}
}
}
