android/src/console/src/org/netxms/ui/android/main/activities/HomeScreen.java

   1 package org.netxms.ui.android.main.activities;
   2
   3 import java.util.ArrayList;
   4
   5 import org.netxms.base.NXCommon;
   6 import org.netxms.client.objects.AbstractObject;
   7 import org.netxms.client.objects.GenericObject;
   8 import org.netxms.ui.android.R;
   9 import org.netxms.ui.android.main.adapters.ActivityListAdapter;
  10 import org.netxms.ui.android.main.fragments.AlarmBrowserFragment;
  11 import org.netxms.ui.android.service.ClientConnectorService.ConnectionStatus;
  12
  13 import android.annotation.SuppressLint;
  14 import android.content.ComponentName;
  15 import android.content.Intent;
  16 import android.content.SharedPreferences;
  17 import android.content.res.Configuration;
  18 import android.os.Build;
  19 import android.os.Bundle;
  20 import android.os.Handler;
  21 import android.os.IBinder;
  22 import android.preference.PreferenceManager;
  23 import android.view.Menu;
  24 import android.view.MenuItem;
  25 import android.view.View;
  26 import android.widget.AdapterView;
  27 import android.widget.AdapterView.OnItemClickListener;
  28 import android.widget.GridView;
  29 import android.widget.TextView;
  30 import android.widget.Toast;
  31
  32 /**
  33  * Home screen activity
  34  *
  35  * @author Victor Kirhenshtein
  36  * @author Marco Incalcaterra (marco.incalcaterra@thinksoft.it)
  37  *
  38  */
  39
  40 public class HomeScreen extends AbstractClientActivity implements OnItemClickListener
  41 {
  42         public static final int ACTIVITY_ALARMS = 1;
  43         public static final int ACTIVITY_DASHBOARDS = 2;
  44         public static final int ACTIVITY_NODES = 3;
  45         public static final int ACTIVITY_ENTIRENETWORK = 4;
  46         public static final int ACTIVITY_GRAPHS = 5;
  47         public static final int ACTIVITY_MACADDRESS = 6;
  48         public static final String INTENTIONAL_EXIT_KEY = "IntentionalExit";
  49
  50         private ActivityListAdapter adapter;
  51         private TextView statusText;
  52
  53         /*
  54          * (non-Javadoc)
  55          *
  56          * @see org.netxms.ui.android.main.activities.AbstractClientActivity#onCreateStep2(android.os.Bundle)
  57          */
  58         @Override
  59         public void onCreateStep2(Bundle savedInstanceState)
  60         {
  61                 setIntentionalExit(false);// Allow autorestart on change connectivity status for premature exit
  62                 setContentView(R.layout.homescreen);
  63
  64                 GridView gridview = (GridView)findViewById(R.id.ActivityList);
  65                 if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)
  66                         gridview.setNumColumns(5);
  67                 else
  68                         gridview.setNumColumns(2);
  69                 adapter = new ActivityListAdapter(this);
  70                 gridview.setAdapter(adapter);
  71                 gridview.setOnItemClickListener(this);
  72
  73                 statusText = (TextView)findViewById(R.id.ScreenTitleSecondary);
  74
  75                 TextView buildName = (TextView)findViewById(R.id.MainScreenVersion);
  76                 buildName.setText(getString(R.string.version) + " " + NXCommon.VERSION + " (" + getString(R.string.build_number) + ")");
  77         }
  78
  79         /*
  80          * (non-Javadoc)
  81          *
  82          * @see org.netxms.ui.android.main.activities.AbstractClientActivity#onServiceConnected(android.content.ComponentName,
  83          * android.os.IBinder)
  84          */
  85         @Override
  86         public void onServiceConnected(ComponentName name, IBinder binder)
  87         {
  88                 super.onServiceConnected(name, binder);
  89                 service.registerHomeScreen(this);
  90                 setStatusText(service.getConnectionStatusText(), service.getConnectionStatusColor());
  91                 refreshActivityStatus();
  92         }
  93
  94         /*
  95          * (non-Javadoc)
  96          *
  97          * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
  98          */
  99         @SuppressLint("InlinedApi")
 100         @Override
 101         public boolean onCreateOptionsMenu(Menu menu)
 102         {
 103                 super.onCreateOptionsMenu(menu);
 104                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
 105                         menu.removeItem(android.R.id.home);
 106                 menu.add(Menu.NONE, R.string.reconnect, Menu.NONE, getString(R.string.reconnect)).setIcon(android.R.drawable.ic_menu_revert);
 107                 menu.add(Menu.NONE, R.string.exit, Menu.NONE, getString(R.string.exit)).setIcon(android.R.drawable.ic_menu_close_clear_cancel);
 108                 return true;
 109         }
 110
 111         /*
 112          * (non-Javadoc)
 113          *
 114          * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
 115          */
 116         @Override
 117         public boolean onOptionsItemSelected(MenuItem item)
 118         {
 119                 if (item.getItemId() == R.string.reconnect)
 120                 {
 121                         if (service != null)
 122                                 service.reconnect(true);
 123                         return true;
 124                 }
 125                 else if (item.getItemId() == R.string.exit)
 126                 {
 127                         exit();
 128                         return true;
 129                 }
 130                 return super.onOptionsItemSelected(item);
 131         }
 132
 133         /*
 134          * (non-Javadoc)
 135          *
 136          * @see android.widget.AdapterView.OnItemClickListener#onItemClick(android.widget.AdapterView, android.view.View, int, long)
 137          */
 138         @Override
 139         public void onItemClick(AdapterView<?> parent, View view, int position, long id)
 140         {
 141                 // Avoid starting activity if no connection
 142                 if (service != null && (service.getConnectionStatus() == ConnectionStatus.CS_CONNECTED || service.getConnectionStatus() == ConnectionStatus.CS_ALREADYCONNECTED))
 143                         switch ((int)id)
 144                         {
 145                                 case ACTIVITY_ALARMS:
 146                                         startActivity(new Intent(this, AlarmBrowserFragment.class));
 147                                         break;
 148                                 case ACTIVITY_NODES:
 149                                         startActivity(new Intent(this, NodeBrowser.class).putExtra("parentId", GenericObject.SERVICEROOT));
 150                                         break;
 151                                 case ACTIVITY_ENTIRENETWORK:
 152                                         startActivity(new Intent(this, NodeBrowser.class).putExtra("parentId", GenericObject.NETWORK));
 153                                         break;
 154                                 case ACTIVITY_GRAPHS:
 155                                         startActivity(new Intent(this, GraphBrowser.class));
 156                                         break;
 157                                 case ACTIVITY_MACADDRESS:
 158                                         startActivity(new Intent(this, ConnectionPointBrowser.class));
 159                                         break;
 160                                 case ACTIVITY_DASHBOARDS:
 161                                         startActivity(new Intent(this, DashboardBrowser.class));
 162                                         break;
 163                                 default:
 164                                         break;
 165                         }
 166                 else
 167                         showToast(getString(R.string.notify_disconnected));
 168         }
 169
 170         /**
 171          * @param text
 172          */
 173         public void setStatusText(String text, int color)
 174         {
 175                 statusText.setTextColor(color);
 176                 statusText.setText(text);
 177         }
 178
 179         public void showToast(final String text)
 180         {
 181                 new Handler(getMainLooper()).post(new Runnable()
 182                 {
 183                         @Override
 184                         public void run()
 185                         {
 186                                 Toast.makeText(getApplicationContext(), text, Toast.LENGTH_SHORT).show();
 187                         }
 188                 });
 189         }
 190
 191         /**
 192          * Exit from app and shutdown service
 193          */
 194         public void exit()
 195         {
 196                 if (service != null)
 197                         service.shutdown();
 198                 setIntentionalExit(true);// Avoid autorestart on change connectivity status for intentional exit
 199                 moveTaskToBack(true);
 200                 System.exit(0);
 201         }
 202
 203         /**
 204          * Refresh pending status of alarms, called from service
 205          */
 206         public void refreshPendingAlarms()
 207         {
 208                 adapter.setPendingAlarms(service.getAlarms().length);
 209                 adapter.notifyDataSetChanged();
 210         }
 211
 212         /**
 213          * Refresh the activity status, called from service
 214          */
 215         public void refreshActivityStatus()
 216         {
 217                 refreshPendingAlarms();
 218                 ArrayList<AbstractObject> objList = new ArrayList<AbstractObject>();
 219                 objList.add(service.findObjectById(GenericObject.NETWORK));
 220                 objList.add(service.findObjectById(GenericObject.SERVICEROOT));
 221                 objList.add(service.findObjectById(GenericObject.DASHBOARDROOT));
 222                 adapter.setTopNodes(objList);
 223                 adapter.notifyDataSetChanged();
 224         }
 225
 226         /**
 227          * Set a flag to inform about an intentional exit to avoid
 228          * automatic reconnection on change connectivity status
 229          *
 230          * @param flag true to signal an intentional exit
 231          */
 232         private void setIntentionalExit(boolean flag)
 233         {
 234                 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 235                 SharedPreferences.Editor editor = prefs.edit();
 236                 editor.putBoolean(INTENTIONAL_EXIT_KEY, flag);
 237                 editor.commit();
 238         }
 239 }