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 17package com.android.settings; 18 19import android.app.Dialog; 20import android.os.Bundle; 21import android.util.Log; 22import android.view.LayoutInflater; 23import android.view.View; 24import android.view.ViewGroup; 25import android.widget.ListView; 26 27import com.android.settings.SettingsPreferenceFragment.SettingsDialogFragment; 28 29import java.util.Locale; 30 31public class LocalePicker extends com.android.internal.app.LocalePicker 32 implements com.android.internal.app.LocalePicker.LocaleSelectionListener, 33 DialogCreatable { 34 35 private static final String TAG = "LocalePicker"; 36 37 private SettingsDialogFragment mDialogFragment; 38 private static final int DLG_SHOW_GLOBAL_WARNING = 1; 39 private static final String SAVE_TARGET_LOCALE = "locale"; 40 41 private Locale mTargetLocale; 42 43 public LocalePicker() { 44 super(); 45 setLocaleSelectionListener(this); 46 } 47 48 @Override 49 public void onCreate(Bundle savedInstanceState) { 50 super.onCreate(savedInstanceState); 51 if (savedInstanceState != null && savedInstanceState.containsKey(SAVE_TARGET_LOCALE)) { 52 mTargetLocale = new Locale(savedInstanceState.getString(SAVE_TARGET_LOCALE)); 53 } 54 } 55 56 @Override 57 public View onCreateView( 58 LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 59 final View view = super.onCreateView(inflater, container, savedInstanceState); 60 final ListView list = (ListView) view.findViewById(android.R.id.list); 61 Utils.forcePrepareCustomPreferencesList(container, view, list, false); 62 return view; 63 } 64 65 @Override 66 public void onLocaleSelected(final Locale locale) { 67 if (Utils.hasMultipleUsers(getActivity())) { 68 mTargetLocale = locale; 69 showDialog(DLG_SHOW_GLOBAL_WARNING); 70 } else { 71 getActivity().onBackPressed(); 72 LocalePicker.updateLocale(locale); 73 } 74 } 75 76 @Override 77 public void onSaveInstanceState(Bundle outState) { 78 super.onSaveInstanceState(outState); 79 80 if (mTargetLocale != null) { 81 outState.putString(SAVE_TARGET_LOCALE, mTargetLocale.toString()); 82 } 83 } 84 85 protected void showDialog(int dialogId) { 86 if (mDialogFragment != null) { 87 Log.e(TAG, "Old dialog fragment not null!"); 88 } 89 mDialogFragment = new SettingsDialogFragment(this, dialogId); 90 mDialogFragment.show(getActivity().getFragmentManager(), Integer.toString(dialogId)); 91 } 92 93 public Dialog onCreateDialog(final int dialogId) { 94 return Utils.buildGlobalChangeWarningDialog(getActivity(), 95 R.string.global_locale_change_title, 96 new Runnable() { 97 public void run() { 98 removeDialog(dialogId); 99 getActivity().onBackPressed(); 100 LocalePicker.updateLocale(mTargetLocale); 101 } 102 } 103 ); 104 } 105 106 protected void removeDialog(int dialogId) { 107 // mDialogFragment may not be visible yet in parent fragment's onResume(). 108 // To be able to dismiss dialog at that time, don't check 109 // mDialogFragment.isVisible(). 110 if (mDialogFragment != null && mDialogFragment.getDialogId() == dialogId) { 111 mDialogFragment.dismiss(); 112 } 113 mDialogFragment = null; 114 } 115} 116