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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings;
     18 
     19 import android.app.Dialog;
     20 import android.content.Context;
     21 import android.text.InputType;
     22 import android.util.AttributeSet;
     23 import android.view.View;
     24 import android.widget.EditText;
     25 
     26 /**
     27  * TODO: Add a soft dialpad for PIN entry.
     28  */
     29 class EditPinPreference extends CustomEditTextPreference {
     30 
     31     interface OnPinEnteredListener {
     32         void onPinEntered(EditPinPreference preference, boolean positiveResult);
     33     }
     34 
     35     private OnPinEnteredListener mPinListener;
     36 
     37     public EditPinPreference(Context context, AttributeSet attrs) {
     38         super(context, attrs);
     39     }
     40 
     41     public EditPinPreference(Context context, AttributeSet attrs, int defStyle) {
     42         super(context, attrs, defStyle);
     43     }
     44 
     45     public void setOnPinEnteredListener(OnPinEnteredListener listener) {
     46         mPinListener = listener;
     47     }
     48 
     49     @Override
     50     protected void onBindDialogView(View view) {
     51         super.onBindDialogView(view);
     52 
     53         final EditText editText = (EditText) view.findViewById(android.R.id.edit);
     54 
     55         if (editText != null) {
     56             editText.setInputType(InputType.TYPE_CLASS_NUMBER |
     57                     InputType.TYPE_NUMBER_VARIATION_PASSWORD);
     58         }
     59     }
     60 
     61     public boolean isDialogOpen() {
     62         Dialog dialog = getDialog();
     63         return dialog != null && dialog.isShowing();
     64     }
     65 
     66     @Override
     67     protected void onDialogClosed(boolean positiveResult) {
     68         super.onDialogClosed(positiveResult);
     69         if (mPinListener != null) {
     70             mPinListener.onPinEntered(this, positiveResult);
     71         }
     72     }
     73 
     74     public void showPinDialog() {
     75         Dialog dialog = getDialog();
     76         if (dialog == null || !dialog.isShowing()) {
     77             onClick();
     78         }
     79     }
     80 }
     81