auto import from //branches/cupcake/...@130745

src/com/android/settings/bluetooth/BluetoothPinDialog.java

@@ -18,13 +18,19 @@ package com.android.settings.bluetooth;
 
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.Bundle;
+import android.text.Editable;
 import android.text.InputFilter;
-import android.text.method.DigitsKeyListener;
+import android.text.TextWatcher;
+import android.text.InputFilter.LengthFilter;
 import android.util.Log;
 import android.view.View;
+import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
 
@@ -36,12 +42,31 @@ import com.android.settings.R;
  * BluetoothPinDialog asks the user to enter a PIN for pairing with a remote
  * Bluetooth device. It is an activity that appears as a dialog.
  */
-public class BluetoothPinDialog extends AlertActivity implements DialogInterface.OnClickListener {
+public class BluetoothPinDialog extends AlertActivity implements DialogInterface.OnClickListener,
+        TextWatcher {
     private static final String TAG = "BluetoothPinDialog";
 
     private LocalBluetoothManager mLocalManager;
     private String mAddress;
     private EditText mPinView;
+    private Button mOkButton;
+
+    private static final String INSTANCE_KEY_PAIRING_CANCELED = "received_pairing_canceled";
+    private boolean mReceivedPairingCanceled;
+    
+    private BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (!BluetoothIntent.PAIRING_CANCEL_ACTION.equals(intent.getAction())) {
+                return;
+            }
+            
+            String address = intent.getStringExtra(BluetoothIntent.ADDRESS);
+            if (address == null || address.equals(mAddress)) {
+                onReceivedPairingCanceled();
+            }
+        }
+    };
     
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -69,6 +94,39 @@ public class BluetoothPinDialog extends AlertActivity implements DialogInterface
         p.mNegativeButtonText = getString(android.R.string.cancel);
         p.mNegativeButtonListener = this;
         setupAlert();
+        
+        mOkButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
+        mOkButton.setEnabled(false);
+
+        /*
+         * Leave this registered through pause/resume since we still want to
+         * finish the activity in the background if pairing is canceled.
+         */
+        registerReceiver(mReceiver, new IntentFilter(BluetoothIntent.PAIRING_CANCEL_ACTION));
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Bundle savedInstanceState) {
+        super.onRestoreInstanceState(savedInstanceState);
+        
+        mReceivedPairingCanceled = savedInstanceState.getBoolean(INSTANCE_KEY_PAIRING_CANCELED);
+        if (mReceivedPairingCanceled) {
+            onReceivedPairingCanceled();
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        
+        outState.putBoolean(INSTANCE_KEY_PAIRING_CANCELED, mReceivedPairingCanceled);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        
+        unregisterReceiver(mReceiver);
     }
 
     private View createView() {
@@ -79,9 +137,32 @@ public class BluetoothPinDialog extends AlertActivity implements DialogInterface
         messageView.setText(getString(R.string.bluetooth_enter_pin_msg, name));
         
         mPinView = (EditText) view.findViewById(R.id.text);
+        mPinView.addTextChangedListener(this);
+        // Maximum of 10 characters in a PIN
+        mPinView.setFilters(new InputFilter[] { new LengthFilter(10) });
         
         return view;
     }
+
+    public void afterTextChanged(Editable s) {
+        if (s.length() > 0) {
+            mOkButton.setEnabled(true);
+        }
+    }
+
+    private void onReceivedPairingCanceled() {
+        mReceivedPairingCanceled = true;
+        
+        TextView messageView = (TextView) findViewById(R.id.message);
+        messageView.setText(getString(R.string.bluetooth_pairing_error_message,
+                mLocalManager.getLocalDeviceManager().getName(mAddress)));
+        
+        mPinView.setEnabled(false);
+        mPinView.clearFocus();
+        mPinView.removeTextChangedListener(this);
+        
+        mAlert.getButton(DialogInterface.BUTTON_POSITIVE).setEnabled(false);
+    }
     
     private void onPair(String pin) {
         byte[] pinBytes = BluetoothDevice.convertPinToBytes(pin);
@@ -94,7 +175,7 @@ public class BluetoothPinDialog extends AlertActivity implements DialogInterface
     }
 
     private void onCancel() {
-        mLocalManager.getBluetoothManager().cancelPin(mAddress);
+        mLocalManager.getBluetoothManager().cancelBondProcess(mAddress);
     }
     
     public void onClick(DialogInterface dialog, int which) {
@@ -109,4 +190,12 @@ public class BluetoothPinDialog extends AlertActivity implements DialogInterface
         }
     }
 
+    /* Not used */
+    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+    }
+
+    /* Not used */
+    public void onTextChanged(CharSequence s, int start, int before, int count) {
+    }
+
 }