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      1 /*
      2  * Copyright (C) 2014 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.phone.common.util;
     18 
     19 import android.content.Context;
     20 import android.content.SharedPreferences;
     21 import android.database.Cursor;
     22 import android.database.sqlite.SQLiteException;
     23 import android.media.Ringtone;
     24 import android.media.RingtoneManager;
     25 import android.net.Uri;
     26 import android.os.Handler;
     27 import android.os.Vibrator;
     28 import android.preference.Preference;
     29 import android.preference.PreferenceManager;
     30 import android.provider.MediaStore;
     31 import android.provider.Settings;
     32 import android.text.TextUtils;
     33 
     34 import com.android.phone.common.R;
     35 
     36 import java.lang.CharSequence;
     37 import java.lang.String;
     38 
     39 public class SettingsUtil {
     40     private static final String DEFAULT_NOTIFICATION_URI_STRING =
     41             Settings.System.DEFAULT_NOTIFICATION_URI.toString();
     42 
     43     /**
     44      * Queries for a ringtone name, and sets the name using a handler.
     45      * This is a method was originally copied from com.android.settings.SoundSettings.
     46      *
     47      * @param context The application context.
     48      * @param handler The handler, which takes the name of the ringtone as a String as a parameter.
     49      * @param type The type of sound.
     50      * @param key The key to the shared preferences entry being updated.
     51      * @param msg An integer identifying the message sent to the handler.
     52      */
     53     public static void updateRingtoneName(
     54             Context context, Handler handler, int type, String key, int msg) {
     55         final Uri ringtoneUri;
     56         boolean defaultRingtone = false;
     57         if (type == RingtoneManager.TYPE_RINGTONE) {
     58             // For ringtones, we can just lookup the system default because changing the settings
     59             // in Call Settings changes the system default.
     60             ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
     61         } else {
     62             final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
     63             // For voicemail notifications, we use the value saved in Phone's shared preferences.
     64             String uriString = prefs.getString(key, DEFAULT_NOTIFICATION_URI_STRING);
     65             if (TextUtils.isEmpty(uriString)) {
     66                 // silent ringtone
     67                 ringtoneUri = null;
     68             } else {
     69                 if (uriString.equals(DEFAULT_NOTIFICATION_URI_STRING)) {
     70                     // If it turns out that the voicemail notification is set to the system
     71                     // default notification, we retrieve the actual URI to prevent it from showing
     72                     // up as "Unknown Ringtone".
     73                     defaultRingtone = true;
     74                     ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
     75                 } else {
     76                     ringtoneUri = Uri.parse(uriString);
     77                 }
     78             }
     79         }
     80         CharSequence summary = context.getString(R.string.ringtone_unknown);
     81         // Is it a silent ringtone?
     82         if (ringtoneUri == null) {
     83             summary = context.getString(R.string.ringtone_silent);
     84         } else {
     85             // Fetch the ringtone title from the media provider
     86             final Ringtone ringtone = RingtoneManager.getRingtone(context, ringtoneUri);
     87             if (ringtone != null) {
     88                 try {
     89                     final String title = ringtone.getTitle(context);
     90                     if (!TextUtils.isEmpty(title)) {
     91                         summary = title;
     92                     }
     93                 } catch (SQLiteException sqle) {
     94                     // Unknown title for the ringtone
     95                 }
     96             }
     97         }
     98         if (defaultRingtone) {
     99             summary = context.getString(R.string.default_notification_description, summary);
    100         }
    101         handler.sendMessage(handler.obtainMessage(msg, summary));
    102     }
    103 }
    104