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      1 /*
      2  * Copyright (C) 2017 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.contacts.preference;
     18 
     19 import android.app.AlertDialog.Builder;
     20 import android.content.Context;
     21 import android.preference.ListPreference;
     22 import android.util.AttributeSet;
     23 
     24 import com.android.contacts.R;
     25 
     26 /**
     27  * Custom preference: phonetic name fields.
     28  */
     29 public final class PhoneticNameDisplayPreference extends ListPreference {
     30 
     31     public static final int SHOW_ALWAYS = 0;
     32     public static final int HIDE_IF_EMPTY = 1;
     33 
     34     private Context mContext;
     35     private ContactsPreferences mPreferences;
     36 
     37     public PhoneticNameDisplayPreference(Context context) {
     38         super(context);
     39         prepare();
     40     }
     41 
     42     public PhoneticNameDisplayPreference(Context context, AttributeSet attrs) {
     43         super(context, attrs);
     44         prepare();
     45     }
     46 
     47     private void prepare() {
     48         mContext = getContext();
     49         mPreferences = new ContactsPreferences(mContext);
     50         setEntries(new String[]{
     51                 mContext.getString(R.string.editor_options_always_show_phonetic_names),
     52                 mContext.getString(R.string.editor_options_hide_phonetic_names_if_empty)
     53         });
     54         setEntryValues(new String[]{
     55                 String.valueOf(SHOW_ALWAYS),
     56                 String.valueOf(HIDE_IF_EMPTY),
     57         });
     58         setValue(String.valueOf(mPreferences.getPhoneticNameDisplayPreference()));
     59     }
     60 
     61     @Override
     62     protected boolean shouldPersist() {
     63         return false;   // This preference takes care of its own storage
     64     }
     65 
     66     @Override
     67     public CharSequence getSummary() {
     68         switch (mPreferences.getPhoneticNameDisplayPreference()) {
     69             case SHOW_ALWAYS:
     70                 return mContext.getString(R.string.editor_options_always_show_phonetic_names);
     71             case HIDE_IF_EMPTY:
     72                 return mContext.getString(R.string.editor_options_hide_phonetic_names_if_empty);
     73         }
     74         return null;
     75     }
     76 
     77     @Override
     78     protected boolean persistString(String value) {
     79         final int newValue = Integer.parseInt(value);
     80         if (newValue != mPreferences.getPhoneticNameDisplayPreference()) {
     81             mPreferences.setPhoneticNameDisplayPreference(newValue);
     82             notifyChanged();
     83         }
     84         return true;
     85     }
     86 
     87     // UX recommendation is not to show cancel button on such lists.
     88     @Override
     89     protected void onPrepareDialogBuilder(Builder builder) {
     90         super.onPrepareDialogBuilder(builder);
     91         builder.setNegativeButton(null, null);
     92     }
     93 }
     94