src/de/ub0r/android/adBlock/AdBlock.java

   1 package de.ub0r.android.adBlock;
   2
   3 import java.util.ArrayList;
   4
   5 import android.app.Activity;
   6 import android.app.AlertDialog;
   7 import android.content.DialogInterface;
   8 import android.content.Intent;
   9 import android.content.SharedPreferences;
  10 import android.os.Bundle;
  11 import android.preference.PreferenceManager;
  12 import android.view.View;
  13 import android.view.View.OnClickListener;
  14 import android.widget.AdapterView;
  15 import android.widget.ArrayAdapter;
  16 import android.widget.Button;
  17 import android.widget.EditText;
  18 import android.widget.ListView;
  19 import android.widget.AdapterView.OnItemClickListener;
  20
  21 /**
  22  * Main Activity to controle ad blocking proxy.
  23  *
  24  * @author flx
  25  */
  26 public class AdBlock extends Activity implements OnClickListener,
  27                 OnItemClickListener {
  28
  29         /** Preferences: Port. */
  30         private static final String PREFS_PORT = "port";
  31         /** Preferences: Filter. */
  32         private static final String PREFS_FILTER = "filter";
  33
  34         /** ItemDialog: edit. */
  35         private static final short ITEM_DIALOG_EDIT = 0;
  36         /** ItemDialog: delete. */
  37         private static final short ITEM_DIALOG_DELETE = 1;
  38
  39         /** Prefs. */
  40         private SharedPreferences preferences;
  41
  42         /** The filter. */
  43         private ArrayList<String> filter = new ArrayList<String>();
  44         /** The ArrayAdapter. */
  45         private ArrayAdapter<String> adapter = null;
  46
  47         /** Editmode? */
  48         private int itemToEdit = -1;
  49
  50         /**
  51          * Called when the activity is first created.
  52          *
  53          * @param savedInstanceState
  54          *            saved InstanceState
  55          */
  56         @Override
  57         public final void onCreate(final Bundle savedInstanceState) {
  58                 super.onCreate(savedInstanceState);
  59                 this.setContentView(R.layout.main);
  60
  61                 this.preferences = PreferenceManager.getDefaultSharedPreferences(this);
  62                 ((EditText) this.findViewById(R.id.port)).setText(this.preferences
  63                                 .getString(PREFS_PORT, "8080"));
  64                 String f = this.preferences.getString(PREFS_FILTER, "");
  65                 for (String s : f.split("\n")) {
  66                         if (s.length() > 0) {
  67                                 this.filter.add(s);
  68                         }
  69                 }
  70
  71                 ((Button) this.findViewById(R.id.start_service))
  72                                 .setOnClickListener(this);
  73                 ((Button) this.findViewById(R.id.stop_service))
  74                                 .setOnClickListener(this);
  75                 ((Button) this.findViewById(R.id.filter_add_)).setOnClickListener(this);
  76                 ListView lv = (ListView) this.findViewById(R.id.filter);
  77                 this.adapter = new ArrayAdapter<String>(this,
  78                                 android.R.layout.simple_list_item_1, this.filter);
  79                 lv.setAdapter(this.adapter);
  80                 lv.setTextFilterEnabled(true);
  81                 lv.setOnItemClickListener(this);
  82         }
  83
  84         /** Called on pause. */
  85         @Override
  86         public final void onPause() {
  87                 super.onPause();
  88                 SharedPreferences.Editor editor = this.preferences.edit();
  89                 editor.putString(PREFS_PORT, ((EditText) this.findViewById(R.id.port))
  90                                 .getText().toString());
  91                 StringBuilder sb = new StringBuilder();
  92                 for (String s : this.filter) {
  93                         sb.append(s + "\n");
  94                 }
  95                 editor.putString(PREFS_FILTER, sb.toString());
  96                 editor.commit();
  97         }
  98
  99         /**
 100          * OnClickListener.
 101          *
 102          * @param v
 103          *            view
 104          */
 105         @Override
 106         public final void onClick(final View v) {
 107                 switch (v.getId()) {
 108                 case R.id.start_service:
 109                         this.startService(new Intent(this, Proxy.class));
 110                         break;
 111                 case R.id.stop_service:
 112                         this.stopService(new Intent(this, Proxy.class));
 113                 case R.id.filter_add_:
 114                         EditText et = (EditText) this.findViewById(R.id.filter_add);
 115                         String f = et.getText().toString();
 116                         if (f.length() > 0) {
 117                                 if (this.itemToEdit >= 0) {
 118                                         this.filter.remove(this.itemToEdit);
 119                                         this.itemToEdit = -1;
 120                                 }
 121                                 this.filter.add(f);
 122                                 et.setText("");
 123                                 this.adapter.notifyDataSetChanged();
 124                         }
 125                         break;
 126                 default:
 127                         break;
 128                 }
 129         }
 130
 131         /**
 132          * Handle clicked ListItem.
 133          *
 134          * @param parent
 135          *            parent AdapterView
 136          * @param v
 137          *            View
 138          * @param position
 139          *            Position
 140          * @param id
 141          *            id
 142          */
 143         @Override
 144         public final void onItemClick(final AdapterView<?> parent, final View v,
 145                         final int position, final long id) {
 146
 147                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 148                 // builder.setTitle("Pick a color");
 149                 builder.setItems(
 150                                 this.getResources().getStringArray(R.array.itemDialog),
 151                                 new DialogInterface.OnClickListener() {
 152                                         public void onClick(final DialogInterface dialog,
 153                                                         final int item) {
 154                                                 switch (item) {
 155                                                 case ITEM_DIALOG_EDIT:
 156                                                         AdBlock.this.itemToEdit = position;
 157                                                         ((EditText) AdBlock.this
 158                                                                         .findViewById(R.id.filter_add))
 159                                                                         .setText(AdBlock.this.adapter
 160                                                                                         .getItem(position));
 161                                                         break;
 162                                                 case ITEM_DIALOG_DELETE:
 163                                                         AdBlock.this.filter.remove(position);
 164                                                         AdBlock.this.adapter.notifyDataSetChanged();
 165                                                         break;
 166                                                 default:
 167                                                         break;
 168                                                 }
 169                                         }
 170                                 });
 171                 AlertDialog alert = builder.create();
 172                 alert.show();
 173         }
 174 }