tt-rss-android/src/org/fox/ttrss/widget/WidgetUpdateService.java

package org.fox.ttrss.widget;

import java.util.HashMap;

import org.fox.ttrss.ApiRequest;
import org.fox.ttrss.R;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;

import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.View;
import android.widget.RemoteViews;

public class WidgetUpdateService extends Service {
	private final String TAG = this.getClass().getSimpleName();

	@Override
	public IBinder onBind(Intent intent) {
		Log.d(TAG, "onBind");
		
		// TODO Auto-generated method stub
		return null;
	}
	
	/* @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
		Log.d(TAG, "onStartCommand");
	
		return super.onStartCommand(intent, flags, startId);
	} */
	
	public void update() {
		
		
	}
	
    @Override
    public void onStart(Intent intent, int startId) {
    	final RemoteViews view = new RemoteViews(getPackageName(), R.layout.widget_small);

    	view.setTextViewText(R.id.counter, String.valueOf(""));
    	view.setViewVisibility(R.id.progress, View.VISIBLE);
    	
    	final ComponentName thisWidget = new ComponentName(this, SmallWidgetProvider.class);
    	final AppWidgetManager manager = AppWidgetManager.getInstance(this);
    	
        manager.updateAppWidget(thisWidget, view);
        
        final SharedPreferences m_prefs = PreferenceManager
				.getDefaultSharedPreferences(getApplicationContext());
   	
   		if (m_prefs.getString("ttrss_url", "").trim().length() == 0) {
    			
    			// Toast: need configure
    			
   		} else {

   			ApiRequest ar = new ApiRequest(getApplicationContext()) {
   				@SuppressWarnings({ "unchecked", "serial" })
				@Override
   				protected void onPostExecute(JsonElement result) {
   					if (result != null) {
   						JsonObject content = result.getAsJsonObject();
   						
   						if (content != null) {
   							final String sessionId = content.get("session_id").getAsString();
   						
   							ApiRequest aru = new ApiRequest(getApplicationContext()) {
   								@Override
   								protected void onPostExecute(JsonElement result) {
   									if (result != null) {
   										JsonObject content = result.getAsJsonObject();
   										
   										if (content != null) {
   											int unread = content.get("unread").getAsInt();
   											
   											view.setViewVisibility(R.id.progress, View.GONE);
   											view.setTextViewText(R.id.counter, String.valueOf(unread));
   											manager.updateAppWidget(thisWidget, view);
   											
   											return;
   										}   										
   									}
   								
   									view.setViewVisibility(R.id.progress, View.GONE);
   									view.setTextViewText(R.id.counter, getString(R.string.app_name));
   									manager.updateAppWidget(thisWidget, view);
   								}
   							};

   				   			HashMap<String, String> umap = new HashMap<String, String>() {
   				   				{
   				   					put("op", "getUnread");
   				   					put("sid", sessionId);
   				   				}
   				   			};

   							aru.execute(umap);
   							return;
   						}
   					}
   					
					// Toast: login failed
					
   			    	view.setViewVisibility(R.id.progress, View.GONE);
   			    	view.setTextViewText(R.id.counter, getString(R.string.app_name));
   			        manager.updateAppWidget(thisWidget, view);  					
   				};
   			};

   			HashMap<String, String> map = new HashMap<String, String>() {
   				{
   					put("op", "login");
   					put("user", m_prefs.getString("login", "").trim());
   					put("password", m_prefs.getString("password", "").trim());
   				}
   			};
    			
   			ar.execute(map);
   		}
    	
    }
}