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.contacts.socialwidget; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 import android.content.SharedPreferences.Editor; 22 import android.net.Uri; 23 import android.preference.PreferenceManager; 24 import android.util.Log; 25 26 public class SocialWidgetSettings { 27 private static final String TAG = "SocialWidgetSettings"; 28 29 // To migrate from earlier versions... 30 private static final String LEGACY_PREFS_NAME = "WidgetSettings"; 31 32 // Prefix to use for all preferences used by this class. 33 private static final String PREFERENCES_PREFIX = "SocialWidgetSettings_"; 34 35 private static final String CONTACT_URI_PREFIX = "CONTACT_URI_"; 36 37 private static final String KEY_MIGRATED = PREFERENCES_PREFIX + "settings_migrated"; 38 39 private static final SocialWidgetSettings sInstance = new SocialWidgetSettings(); 40 getInstance()41 public static SocialWidgetSettings getInstance() { 42 return sInstance; 43 } 44 getPreferenceKey(int widgetId)45 private final String getPreferenceKey(int widgetId) { 46 return PREFERENCES_PREFIX + CONTACT_URI_PREFIX + Integer.toString(widgetId); 47 } 48 remove(Context context, int[] widgetIds)49 public void remove(Context context, int[] widgetIds) { 50 final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context); 51 final Editor editor = settings.edit(); 52 for (int widgetId : widgetIds) { 53 if (Log.isLoggable(TAG, Log.DEBUG)) { 54 Log.d(TAG, "remove(" + widgetId + ")"); 55 } 56 editor.remove(getPreferenceKey(widgetId)); 57 } 58 editor.apply(); 59 } 60 getContactUri(Context context, int widgetId)61 public Uri getContactUri(Context context, int widgetId) { 62 final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context); 63 64 ensureMigrated(context, settings); 65 66 final String resultString = settings.getString(getPreferenceKey(widgetId), null); 67 final Uri result = resultString == null ? null : Uri.parse(resultString); 68 if (Log.isLoggable(TAG, Log.DEBUG)) { 69 Log.d(TAG, "getContactUri(" + widgetId + ") --> " + result); 70 } 71 return result; 72 } 73 setContactUri(Context context, int widgetId, Uri contactLookupUri)74 public void setContactUri(Context context, int widgetId, Uri contactLookupUri) { 75 if (Log.isLoggable(TAG, Log.DEBUG)) { 76 Log.d(TAG, "setContactUri(" + widgetId + ", " + contactLookupUri + ")"); 77 } 78 final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context); 79 final Editor editor = settings.edit(); 80 if (contactLookupUri == null) { 81 editor.remove(getPreferenceKey(widgetId)); 82 } else { 83 editor.putString(getPreferenceKey(widgetId), contactLookupUri.toString()); 84 } 85 editor.apply(); 86 } 87 ensureMigrated(Context context, SharedPreferences settings)88 private void ensureMigrated(Context context, SharedPreferences settings) { 89 if (settings.getBoolean(KEY_MIGRATED, false)) { 90 return; // Migrated already 91 } 92 93 Log.i(TAG, "Migrating widget settings..."); 94 95 // Old preferences only had the "CONTACT_URI_" prefix. 96 // New preferences have the "SocialWidgetSettings_CONTACT_URI_" prefix. 97 // So just copy all the entries with adding "SocialWidgetSettings_" to their key names. 98 99 final SharedPreferences.Editor editor = settings.edit(); 100 101 final SharedPreferences legacySettings = 102 context.getSharedPreferences(LEGACY_PREFS_NAME, Context.MODE_PRIVATE); 103 for (String key : legacySettings.getAll().keySet()) { 104 final String value = legacySettings.getString(key, null); 105 if (value == null) continue; // Just in case. 106 107 Log.i(TAG, "Found: " + key + ": " + value); 108 109 editor.putString(PREFERENCES_PREFIX + key, value); 110 } 111 112 editor.apply(); 113 settings.edit().putBoolean(KEY_MIGRATED, true).apply(); 114 } 115 } 116