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      1 /*
      2  * Copyright (C) 2009 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.content.ContentUris;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.net.Uri;
     23 import android.provider.Telephony;
     24 import android.support.v7.preference.Preference;
     25 import android.support.v7.preference.PreferenceViewHolder;
     26 import android.telephony.SubscriptionManager;
     27 import android.util.AttributeSet;
     28 import android.util.Log;
     29 import android.view.View;
     30 import android.view.View.OnClickListener;
     31 import android.widget.CompoundButton;
     32 import android.widget.RadioButton;
     33 import android.widget.RelativeLayout;
     34 
     35 public class ApnPreference extends Preference implements
     36         CompoundButton.OnCheckedChangeListener, OnClickListener {
     37     final static String TAG = "ApnPreference";
     38 
     39     private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
     40 
     41     public ApnPreference(Context context, AttributeSet attrs, int defStyle) {
     42         super(context, attrs, defStyle);
     43     }
     44 
     45     public ApnPreference(Context context, AttributeSet attrs) {
     46         this(context, attrs, R.attr.apnPreferenceStyle);
     47     }
     48 
     49     public ApnPreference(Context context) {
     50         this(context, null);
     51     }
     52 
     53     private static String mSelectedKey = null;
     54     private static CompoundButton mCurrentChecked = null;
     55     private boolean mProtectFromCheckedChange = false;
     56     private boolean mSelectable = true;
     57 
     58     @Override
     59     public void onBindViewHolder(PreferenceViewHolder view) {
     60         super.onBindViewHolder(view);
     61 
     62         View widget = view.findViewById(R.id.apn_radiobutton);
     63         if ((widget != null) && widget instanceof RadioButton) {
     64             RadioButton rb = (RadioButton) widget;
     65             if (mSelectable) {
     66                 rb.setOnCheckedChangeListener(this);
     67 
     68                 boolean isChecked = getKey().equals(mSelectedKey);
     69                 if (isChecked) {
     70                     mCurrentChecked = rb;
     71                     mSelectedKey = getKey();
     72                 }
     73 
     74                 mProtectFromCheckedChange = true;
     75                 rb.setChecked(isChecked);
     76                 mProtectFromCheckedChange = false;
     77                 rb.setVisibility(View.VISIBLE);
     78             } else {
     79                 rb.setVisibility(View.GONE);
     80             }
     81         }
     82 
     83         View textLayout = view.findViewById(R.id.text_layout);
     84         if ((textLayout != null) && textLayout instanceof RelativeLayout) {
     85             textLayout.setOnClickListener(this);
     86         }
     87     }
     88 
     89     public boolean isChecked() {
     90         return getKey().equals(mSelectedKey);
     91     }
     92 
     93     public void setChecked() {
     94         mSelectedKey = getKey();
     95     }
     96 
     97     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
     98         Log.i(TAG, "ID: " + getKey() + " :" + isChecked);
     99         if (mProtectFromCheckedChange) {
    100             return;
    101         }
    102 
    103         if (isChecked) {
    104             if (mCurrentChecked != null) {
    105                 mCurrentChecked.setChecked(false);
    106             }
    107             mCurrentChecked = buttonView;
    108             mSelectedKey = getKey();
    109             callChangeListener(mSelectedKey);
    110         } else {
    111             mCurrentChecked = null;
    112             mSelectedKey = null;
    113         }
    114     }
    115 
    116     public void onClick(android.view.View v) {
    117         if ((v != null) && (R.id.text_layout == v.getId())) {
    118             Context context = getContext();
    119             if (context != null) {
    120                 int pos = Integer.parseInt(getKey());
    121                 Uri url = ContentUris.withAppendedId(Telephony.Carriers.CONTENT_URI, pos);
    122                 Intent editIntent = new Intent(Intent.ACTION_EDIT, url);
    123                 editIntent.putExtra(ApnSettings.SUB_ID, mSubId);
    124                 context.startActivity(editIntent);
    125             }
    126         }
    127     }
    128 
    129     public void setSelectable(boolean selectable) {
    130         mSelectable = selectable;
    131     }
    132 
    133     public boolean getSelectable() {
    134         return mSelectable;
    135     }
    136 
    137     public void setSubId(int subId) {
    138         mSubId = subId;
    139     }
    140 }
    141