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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 
LocalePicker()45     public LocalePicker() {
46         super();
47         setLocaleSelectionListener(this);
48     }
49 
50     @Override
isInDeveloperMode()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
onCreate(Bundle savedInstanceState)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
onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)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
onLocaleSelected(final Locale locale)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
onSaveInstanceState(Bundle outState)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 
showDialog(int dialogId)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 
onCreateDialog(final int dialogId)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