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      1 /*
      2  * Copyright (C) 2010 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.os.Bundle;
     21 import android.util.Log;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.widget.ListView;
     26 import android.content.Context;
     27 
     28 import com.android.settings.SettingsPreferenceFragment.SettingsDialogFragment;
     29 import com.android.settings.DevelopmentSettings;
     30 
     31 import java.util.Locale;
     32 
     33 public class LocalePicker extends com.android.internal.app.LocalePicker
     34         implements com.android.internal.app.LocalePicker.LocaleSelectionListener,
     35         DialogCreatable {
     36 
     37     private static final String TAG = "LocalePicker";
     38 
     39     private SettingsDialogFragment mDialogFragment;
     40     private static final int DLG_SHOW_GLOBAL_WARNING = 1;
     41     private static final String SAVE_TARGET_LOCALE = "locale";
     42 
     43     private Locale mTargetLocale;
     44 
     45     public LocalePicker() {
     46         super();
     47         setLocaleSelectionListener(this);
     48     }
     49 
     50     @Override
     51     protected boolean isInDeveloperMode() {
     52         final boolean showDev = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
     53                 Context.MODE_PRIVATE).getBoolean(
     54                 DevelopmentSettings.PREF_SHOW,
     55                 android.os.Build.TYPE.equals("eng"));
     56         return showDev;
     57     }
     58 
     59     @Override
     60     public void onCreate(Bundle savedInstanceState) {
     61         super.onCreate(savedInstanceState);
     62         if (savedInstanceState != null && savedInstanceState.containsKey(SAVE_TARGET_LOCALE)) {
     63             mTargetLocale = new Locale(savedInstanceState.getString(SAVE_TARGET_LOCALE));
     64         }
     65     }
     66 
     67     @Override
     68     public View onCreateView(
     69             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     70         final View view = super.onCreateView(inflater, container, savedInstanceState);
     71         final ListView list = (ListView) view.findViewById(android.R.id.list);
     72         Utils.forcePrepareCustomPreferencesList(container, view, list, false);
     73         return view;
     74     }
     75 
     76     @Override
     77     public void onLocaleSelected(final Locale locale) {
     78         if (Utils.hasMultipleUsers(getActivity())) {
     79             mTargetLocale = locale;
     80             showDialog(DLG_SHOW_GLOBAL_WARNING);
     81         } else {
     82             getActivity().onBackPressed();
     83             LocalePicker.updateLocale(locale);
     84         }
     85     }
     86 
     87     @Override
     88     public void onSaveInstanceState(Bundle outState) {
     89         super.onSaveInstanceState(outState);
     90 
     91         if (mTargetLocale != null) {
     92             outState.putString(SAVE_TARGET_LOCALE, mTargetLocale.toString());
     93         }
     94     }
     95 
     96     protected void showDialog(int dialogId) {
     97         if (mDialogFragment != null) {
     98             Log.e(TAG, "Old dialog fragment not null!");
     99         }
    100         mDialogFragment = new SettingsDialogFragment(this, dialogId);
    101         mDialogFragment.show(getActivity().getFragmentManager(), Integer.toString(dialogId));
    102     }
    103 
    104     public Dialog onCreateDialog(final int dialogId) {
    105         return Utils.buildGlobalChangeWarningDialog(getActivity(),
    106                 R.string.global_locale_change_title,
    107                 new Runnable() {
    108                     public void run() {
    109                         removeDialog(dialogId);
    110                         getActivity().onBackPressed();
    111                         LocalePicker.updateLocale(mTargetLocale);
    112                     }
    113                 }
    114         );
    115     }
    116 
    117     protected void removeDialog(int dialogId) {
    118         // mDialogFragment may not be visible yet in parent fragment's onResume().
    119         // To be able to dismiss dialog at that time, don't check
    120         // mDialogFragment.isVisible().
    121         if (mDialogFragment != null && mDialogFragment.getDialogId() == dialogId) {
    122             mDialogFragment.dismiss();
    123         }
    124         mDialogFragment = null;
    125     }
    126 }
    127