src/ro/ieval/fonbot/FonBotLocalActivity.java

   1 package ro.ieval.fonbot;
   2
   3 import static ro.ieval.fonbot.Utils.toNonNull;
   4 import static ro.ieval.fonbot.Address.Protocol.LOCAL;
   5
   6 import org.eclipse.jdt.annotation.Nullable;
   7
   8 import android.app.Activity;
   9 import android.content.BroadcastReceiver;
  10 import android.content.Context;
  11 import android.content.Intent;
  12 import android.content.IntentFilter;
  13 import android.os.Bundle;
  14 import android.view.KeyEvent;
  15 import android.view.inputmethod.EditorInfo;
  16 import android.widget.EditText;
  17 import android.widget.TextView;
  18 import android.widget.TextView.OnEditorActionListener;
  19
  20 /*
  21  * Copyright © 2013 Marius Gavrilescu
  22  *
  23  * This file is part of FonBot.
  24  *
  25  * FonBot is free software: you can redistribute it and/or modify
  26  * it under the terms of the GNU General Public License as published by
  27  * the Free Software Foundation, either version 3 of the License, or
  28  * (at your option) any later version.
  29  *
  30  * FonBot is distributed in the hope that it will be useful,
  31  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  32  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  33  * GNU General Public License for more details.
  34  *
  35  * You should have received a copy of the GNU General Public License
  36  * along with FonBot.  If not, see <http://www.gnu.org/licenses/>.
  37  */
  38
  39 /**
  40  * Activity that lets users send commands from inside the app.
  41  *
  42  * @author Marius Gavrilescu <marius@ieval.ro>
  43  */
  44 public final class FonBotLocalActivity extends Activity {
  45         /**
  46          * BroadcastReceiver that receives command responses.
  47          *
  48          * @author Marius Gavrilescu <marius@ieval.ro>
  49          */
  50         private final class ReplyReceiver extends BroadcastReceiver {
  51
  52                 @Override
  53                 public void onReceive(final @Nullable Context context, final @Nullable Intent intent) {
  54                         if (context == null || intent == null) return;
  55                         consoleTextView.setText(consoleTextView.getText() +
  56                                         intent.getStringExtra(EXTRA_RESPONSE) + "\n");
  57                 }
  58         }
  59
  60         /**
  61          * The extra name for the command response.
  62          *
  63          * @see #RESPONSE_RECEIVED_ACTION
  64          */
  65         public static final String EXTRA_RESPONSE = "response";
  66         /**
  67          * The action for sending back responses to commands.
  68          */
  69         public static final String RESPONSE_RECEIVED_ACTION="ro.ieval.fonbot.LOCAL_RESPONSE";
  70         /**
  71          * Intent filter that catches {@link #RESPONSE_RECEIVED_ACTION}
  72          */
  73         private static final IntentFilter INTENT_FILTER = new IntentFilter(RESPONSE_RECEIVED_ACTION);
  74         /**
  75          * Reply address for local commands
  76          */
  77         private static final Address LOCAL_ADDRESS=new Address(toNonNull(LOCAL), null);
  78         /**
  79          * The one instance of {@link ReplyReceiver}
  80          */
  81         private final ReplyReceiver replyReceiver = new ReplyReceiver();
  82         /**
  83          * The TextView that contains command responses
  84          */
  85         private TextView consoleTextView;
  86
  87         @Override
  88         protected void onCreate(final @Nullable Bundle savedInstanceState) {
  89                 super.onCreate(savedInstanceState);
  90                 setContentView(R.layout.local);
  91
  92                 consoleTextView = (TextView) findViewById(R.id.consoleTextView);
  93                 final EditText commandEditText = (EditText) findViewById(R.id.argEditText);
  94                 commandEditText.setOnEditorActionListener(new OnEditorActionListener() {
  95                         @Override
  96                         public boolean onEditorAction(final @Nullable TextView v, final int actionId, final @Nullable KeyEvent event) {
  97                                 if(actionId==EditorInfo.IME_ACTION_SEND||
  98                                                 actionId==EditorInfo.IME_NULL){
  99                                         final String[] commandWithArgs = Utils.shellwords(toNonNull(commandEditText.getText().toString()));
 100                                         final String command=commandWithArgs[0];
 101                                         final String[] args=new String[commandWithArgs.length-1];
 102                                         System.arraycopy(commandWithArgs, 1, args, 0, args.length);
 103                                         commandEditText.setText("");
 104                                         Utils.processCommand(FonBotLocalActivity.this, toNonNull(command), args,
 105                                                         toNonNull(LOCAL_ADDRESS));
 106                                         return true;
 107                                 }
 108                                 return false;
 109                         }
 110                 });
 111         }
 112
 113         @Override
 114         protected void onResume() {
 115                 super.onResume();
 116                 this.registerReceiver(replyReceiver, INTENT_FILTER);
 117         }
 118
 119         @Override
 120         protected void onPause() {
 121                 super.onPause();
 122                 this.unregisterReceiver(replyReceiver);
 123         }
 124 }