/*------------------------------------------------------------------------------
** Ident: Sogeti Smart Mobile Solutions
** Author: rene
** Copyright: (c) Apr 24, 2011 Sogeti Nederland B.V. All Rights Reserved.
**------------------------------------------------------------------------------
** Sogeti Nederland B.V. | No part of this file may be reproduced
** Distributed Software Engineering | or transmitted in any form or by any
** Lange Dreef 17 | means, electronic or mechanical, for the
** 4131 NJ Vianen | purpose, without the express written
** The Netherlands | permission of the copyright holder.
*------------------------------------------------------------------------------
*
* This file is part of OpenGPSTracker.
*
* OpenGPSTracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenGPSTracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenGPSTracker. If not, see <http://www.gnu.org/licenses/>.
*
*/
package nl.sogeti.android.gpstracker.widget;
import nl.sogeti.android.gpstracker.R;
import nl.sogeti.android.gpstracker.actions.ControlTracking;
import nl.sogeti.android.gpstracker.actions.InsertNote;
import nl.sogeti.android.gpstracker.util.Constants;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.util.Log;
import android.view.View;
import android.widget.RemoteViews;
/**
* An App Widget for on the home screen to control logging with a start, pause,
* resume and stop
*
* @version $Id: ControlWidgetProvider.java 1059 2011-08-03 18:46:24Z rcgroot $
* @author grootren (c) Mar 8, 2011, Sogeti B.V.
*/
public class ControlWidgetProvider extends AppWidgetProvider
{
private static final int BUTTON_TRACKINGCONTROL = 2;
private static final int BUTTON_INSERTNOTE = 3;
private static final String TAG = "OGT.ControlWidgetProvider";
static final ComponentName THIS_APPWIDGET = new ComponentName("nl.sogeti.android.gpstracker", "nl.sogeti.android.gpstracker.widget.ControlWidgetProvider");
private static int mState;
public ControlWidgetProvider()
{
super();
}
@Override
public void onEnabled(Context context)
{
// Log.d(TAG, "onEnabled() ");
super.onEnabled(context);
context.startService(new Intent(Constants.SERVICENAME));
}
@Override
public void onDisabled(Context context)
{
// Log.d(TAG, "onDisabled() ");
}
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds)
{
// Log.d(TAG, "onDisabled() ");
// Update each requested appWidgetId
RemoteViews view = buildUpdate(context, -1);
for (int i = 0; i < appWidgetIds.length; i++)
{
appWidgetManager.updateAppWidget(appWidgetIds[i], view);
}
}
/**
* Load image for given widget and build {@link RemoteViews} for it.
*/
static RemoteViews buildUpdate(Context context, int appWidgetId)
{
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.control_appwidget);
views.setOnClickPendingIntent(R.id.widget_insertnote_enabled, getLaunchPendingIntent(context, appWidgetId, BUTTON_INSERTNOTE));
views.setOnClickPendingIntent(R.id.widget_trackingcontrol, getLaunchPendingIntent(context, appWidgetId, BUTTON_TRACKINGCONTROL));
updateButtons(views, context);
return views;
}
/**
* Load image for given widget and build {@link RemoteViews} for it.
*/
private static void updateButtons(RemoteViews views, Context context)
{
// Log.d(TAG, "Updated the remote views to state " + mState);
switch (mState)
{
case Constants.LOGGING:
setEnableInsertNote(views, true);
break;
case Constants.PAUSED:
setEnableInsertNote(views, false);
break;
case Constants.STOPPED:
setEnableInsertNote(views, false);
break;
case Constants.UNKNOWN:
setEnableInsertNote(views, false);
break;
default:
Log.w(TAG, "Unknown logging state for widget: " + mState);
break;
}
}
private static void setEnableInsertNote( RemoteViews views, boolean enabled )
{
if( enabled )
{
views.setViewVisibility(R.id.widget_insertnote_enabled, View.VISIBLE);
views.setViewVisibility(R.id.widget_insertnote_disabled, View.GONE);
}
else
{
views.setViewVisibility(R.id.widget_insertnote_enabled, View.GONE);
views.setViewVisibility(R.id.widget_insertnote_disabled, View.VISIBLE);
}
}
/**
* Creates PendingIntent to notify the widget of a button click.
*
* @param context
* @param appWidgetId
* @return
*/
private static PendingIntent getLaunchPendingIntent(Context context, int appWidgetId, int buttonId)
{
Intent launchIntent = new Intent();
launchIntent.setClass(context, ControlWidgetProvider.class);
launchIntent.addCategory(Intent.CATEGORY_ALTERNATIVE);
launchIntent.setData(Uri.parse("custom:" + buttonId));
PendingIntent pi = PendingIntent.getBroadcast(context, 0 /* no requestCode */, launchIntent, 0 /*
* no
* flags
*/);
return pi;
}
/**
* Receives and processes a button pressed intent or state change.
*
* @param context
* @param intent Indicates the pressed button.
*/
@Override
public void onReceive(Context context, Intent intent)
{
// Log.d(TAG, "Did recieve intent with action: " + intent.getAction());
super.onReceive(context, intent);
String action = intent.getAction();
if (Constants.LOGGING_STATE_CHANGED_ACTION.equals(action))
{
mState = intent.getIntExtra(Constants.EXTRA_LOGGING_STATE, Constants.UNKNOWN);
updateWidget(context);
}
else if (intent.hasCategory(Intent.CATEGORY_ALTERNATIVE))
{
Uri data = intent.getData();
int buttonId = Integer.parseInt(data.getSchemeSpecificPart());
if (buttonId == BUTTON_TRACKINGCONTROL)
{
Intent controlIntent = new Intent( context, ControlTracking.class );
controlIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(controlIntent);
}
else if (buttonId == BUTTON_INSERTNOTE)
{
Intent noteIntent = new Intent( context, InsertNote.class );
noteIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity( noteIntent );
}
}
else
{
// Don't fall-through to updating the widget. The Intent
// was something unrelated or that our super class took
// care of.
return;
}
// State changes fall through
updateWidget(context);
}
/**
* Updates the widget when something changes, or when a button is pushed.
*
* @param context
*/
public static void updateWidget(Context context)
{
RemoteViews views = buildUpdate(context, -1);
// Update specific list of appWidgetIds if given, otherwise default to all
final AppWidgetManager gm = AppWidgetManager.getInstance(context);
gm.updateAppWidget(THIS_APPWIDGET, views);
}
}