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