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      1 /*
      2  * Copyright (C) 2015 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.messaging.ui.appsettings;
     18 
     19 import android.content.Context;
     20 import android.preference.Preference;
     21 import android.util.AttributeSet;
     22 import android.util.Log;
     23 import android.view.View;
     24 import android.view.View.OnClickListener;
     25 import android.view.ViewGroup;
     26 import android.widget.CompoundButton;
     27 import android.widget.RadioButton;
     28 import android.widget.RelativeLayout;
     29 import android.widget.TextView;
     30 
     31 import com.android.messaging.R;
     32 import com.android.messaging.datamodel.data.ParticipantData;
     33 import com.android.messaging.ui.UIIntents;
     34 
     35 /**
     36  * ApnPreference implements a pref, typically used as a list item, that has a title/summary on
     37  * the left and a radio button on the right.
     38  *
     39  */
     40 public class ApnPreference extends Preference implements
     41         CompoundButton.OnCheckedChangeListener, OnClickListener {
     42     static final String TAG = "ApnPreference";
     43 
     44     public ApnPreference(Context context, AttributeSet attrs, int defStyle) {
     45         super(context, attrs, defStyle);
     46     }
     47 
     48     public ApnPreference(Context context, AttributeSet attrs) {
     49         this(context, attrs, R.attr.apnPreferenceStyle);
     50     }
     51 
     52     public ApnPreference(Context context) {
     53         this(context, null);
     54     }
     55 
     56     private static String mSelectedKey = null;
     57     private static CompoundButton mCurrentChecked = null;
     58     private boolean mProtectFromCheckedChange = false;
     59     private boolean mSelectable = true;
     60     private int mSubId = ParticipantData.DEFAULT_SELF_SUB_ID;
     61 
     62     @Override
     63     public View getView(View convertView, ViewGroup parent) {
     64         View view = super.getView(convertView, parent);
     65 
     66         View widget = view.findViewById(R.id.apn_radiobutton);
     67         if ((widget != null) && widget instanceof RadioButton) {
     68             RadioButton rb = (RadioButton) widget;
     69             if (mSelectable) {
     70                 rb.setOnCheckedChangeListener(this);
     71 
     72                 boolean isChecked = getKey().equals(mSelectedKey);
     73                 if (isChecked) {
     74                     mCurrentChecked = rb;
     75                     mSelectedKey = getKey();
     76                 }
     77 
     78                 mProtectFromCheckedChange = true;
     79                 rb.setChecked(isChecked);
     80                 mProtectFromCheckedChange = false;
     81             } else {
     82                 rb.setVisibility(View.GONE);
     83             }
     84             setApnRadioButtonContentDescription(rb);
     85         }
     86 
     87         View textLayout = view.findViewById(R.id.text_layout);
     88         if ((textLayout != null) && textLayout instanceof RelativeLayout) {
     89             textLayout.setOnClickListener(this);
     90         }
     91 
     92         return view;
     93     }
     94 
     95     public void setApnRadioButtonContentDescription(final CompoundButton buttonView) {
     96         final View widget = (View) buttonView.getParent();
     97         final TextView tv = (TextView) widget.findViewById(android.R.id.title);
     98         final String apnTitle = tv.getText().toString();
     99         buttonView.setContentDescription(apnTitle);
    100     }
    101 
    102     public boolean isChecked() {
    103         return getKey().equals(mSelectedKey);
    104     }
    105 
    106     public void setChecked() {
    107         mSelectedKey = getKey();
    108     }
    109 
    110     public void setSubId(final int subId) {
    111         mSubId = subId;
    112     }
    113 
    114     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
    115         Log.i(TAG, "ID: " + getKey() + " :" + isChecked);
    116         if (mProtectFromCheckedChange) {
    117             return;
    118         }
    119 
    120         if (isChecked) {
    121             if (mCurrentChecked != null) {
    122                 mCurrentChecked.setChecked(false);
    123             }
    124             mCurrentChecked = buttonView;
    125             mSelectedKey = getKey();
    126             callChangeListener(mSelectedKey);
    127         } else {
    128             mCurrentChecked = null;
    129             mSelectedKey = null;
    130         }
    131         setApnRadioButtonContentDescription(buttonView);
    132     }
    133 
    134     public void onClick(android.view.View v) {
    135         if ((v != null) && (R.id.text_layout == v.getId())) {
    136             Context context = getContext();
    137             if (context != null) {
    138                 context.startActivity(
    139                         UIIntents.get().getApnEditorIntent(context, getKey(), mSubId));
    140             }
    141         }
    142     }
    143 
    144     public void setSelectable(boolean selectable) {
    145         mSelectable = selectable;
    146     }
    147 
    148     public boolean getSelectable() {
    149         return mSelectable;
    150     }
    151 }
    152