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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.dialer.util;
     18 
     19 import android.content.Context;
     20 import android.content.SharedPreferences;
     21 import android.database.sqlite.SQLiteException;
     22 import android.media.Ringtone;
     23 import android.media.RingtoneManager;
     24 import android.net.Uri;
     25 import android.os.Handler;
     26 import android.preference.PreferenceManager;
     27 import android.provider.Settings;
     28 import android.text.TextUtils;
     29 
     30 public class SettingsUtil {
     31 
     32   private static final String DEFAULT_NOTIFICATION_URI_STRING =
     33       Settings.System.DEFAULT_NOTIFICATION_URI.toString();
     34 
     35   /**
     36    * Queries for a ringtone name, and sets the name using a handler. This is a method was originally
     37    * copied from com.android.settings.SoundSettings.
     38    *
     39    * @param context The application context.
     40    * @param handler The handler, which takes the name of the ringtone as a String as a parameter.
     41    * @param type The type of sound.
     42    * @param key The key to the shared preferences entry being updated.
     43    * @param msg An integer identifying the message sent to the handler.
     44    */
     45   public static void updateRingtoneName(
     46       Context context, Handler handler, int type, String key, int msg) {
     47     final Uri ringtoneUri;
     48     boolean defaultRingtone = false;
     49     if (type == RingtoneManager.TYPE_RINGTONE) {
     50       // For ringtones, we can just lookup the system default because changing the settings
     51       // in Call Settings changes the system default.
     52       ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
     53     } else {
     54       final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
     55       // For voicemail notifications, we use the value saved in Phone's shared preferences.
     56       String uriString = prefs.getString(key, DEFAULT_NOTIFICATION_URI_STRING);
     57       if (TextUtils.isEmpty(uriString)) {
     58         // silent ringtone
     59         ringtoneUri = null;
     60       } else {
     61         if (uriString.equals(DEFAULT_NOTIFICATION_URI_STRING)) {
     62           // If it turns out that the voicemail notification is set to the system
     63           // default notification, we retrieve the actual URI to prevent it from showing
     64           // up as "Unknown Ringtone".
     65           defaultRingtone = true;
     66           ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
     67         } else {
     68           ringtoneUri = Uri.parse(uriString);
     69         }
     70       }
     71     }
     72     getRingtoneName(context, handler, ringtoneUri, msg, defaultRingtone);
     73   }
     74 
     75   public static void getRingtoneName(Context context, Handler handler, Uri ringtoneUri, int msg) {
     76     getRingtoneName(context, handler, ringtoneUri, msg, false);
     77   }
     78 
     79   public static void getRingtoneName(
     80       Context context, Handler handler, Uri ringtoneUri, int msg, boolean defaultRingtone) {
     81     CharSequence summary = context.getString(R.string.ringtone_unknown);
     82     // Is it a silent ringtone?
     83     if (ringtoneUri == null) {
     84       summary = context.getString(R.string.ringtone_silent);
     85     } else {
     86       // Fetch the ringtone title from the media provider
     87       final Ringtone ringtone = RingtoneManager.getRingtone(context, ringtoneUri);
     88       if (ringtone != null) {
     89         try {
     90           final String title = ringtone.getTitle(context);
     91           if (!TextUtils.isEmpty(title)) {
     92             summary = title;
     93           }
     94         } catch (SQLiteException sqle) {
     95           // Unknown title for the ringtone
     96         }
     97       }
     98     }
     99     if (defaultRingtone) {
    100       summary = context.getString(R.string.default_notification_description, summary);
    101     }
    102     handler.sendMessage(handler.obtainMessage(msg, summary));
    103   }
    104 }
    105