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
17package com.android.phone.common.util;
18
19import android.content.Context;
20import android.content.SharedPreferences;
21import android.database.Cursor;
22import android.database.sqlite.SQLiteException;
23import android.media.RingtoneManager;
24import android.net.Uri;
25import android.os.Handler;
26import android.os.Vibrator;
27import android.preference.Preference;
28import android.preference.PreferenceManager;
29import android.provider.MediaStore;
30import android.provider.Settings;
31import android.text.TextUtils;
32
33import com.android.phone.common.R;
34
35import java.lang.CharSequence;
36import java.lang.String;
37
38public class SettingsUtil {
39    /**
40     * Obtain the setting for "vibrate when ringing" setting.
41     *
42     * Watch out: if the setting is missing in the device, this will try obtaining the old
43     * "vibrate on ring" setting from AudioManager, and save the previous setting to the new one.
44     */
45    public static boolean getVibrateWhenRingingSetting(Context context) {
46        Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
47        if (vibrator == null || !vibrator.hasVibrator()) {
48            return false;
49        }
50        return Settings.System.getInt(context.getContentResolver(),
51                Settings.System.VIBRATE_WHEN_RINGING, 0) != 0;
52    }
53
54    /**
55     * Queries for a ringtone name, and sets the name using a handler.
56     * This is a method was originally copied from com.android.settings.SoundSettings.
57     *
58     * @param context The application context.
59     * @param handler The handler, which takes the name of the ringtone as a String as a parameter.
60     * @param type The type of sound.
61     * @param preference The preference being updated.
62     * @param msg An integer identifying the message sent to the handler.
63     */
64    public static void updateRingtoneName(
65            Context context, Handler handler, int type, Preference preference, int msg) {
66        if (preference == null) {
67            return;
68        }
69
70        final Uri ringtoneUri;
71        boolean defaultRingtone = false;
72        if (type == RingtoneManager.TYPE_RINGTONE) {
73            // For ringtones, we can just lookup the system default because changing the settings
74            // in Call Settings changes the system default.
75            ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
76        } else {
77            final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
78            // For voicemail notifications, we use the value saved in Phone's shared preferences.
79            String uriString = prefs.getString(preference.getKey(), null);
80            if (TextUtils.isEmpty(uriString)) {
81                // silent ringtone
82                ringtoneUri = null;
83            } else {
84                if (uriString.equals(Settings.System.DEFAULT_NOTIFICATION_URI.toString())) {
85                    // If it turns out that the voicemail notification is set to the system
86                    // default notification, we retrieve the actual URI to prevent it from showing
87                    // up as "Unknown Ringtone".
88                    defaultRingtone = true;
89                    ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
90                } else {
91                    ringtoneUri = Uri.parse(uriString);
92                }
93            }
94        }
95        CharSequence summary = context.getString(com.android.internal.R.string.ringtone_unknown);
96        // Is it a silent ringtone?
97        if (ringtoneUri == null) {
98            summary = context.getString(com.android.internal.R.string.ringtone_silent);
99        } else {
100            // Fetch the ringtone title from the media provider
101            try {
102                Cursor cursor = context.getContentResolver().query(ringtoneUri,
103                        new String[] { MediaStore.Audio.Media.TITLE }, null, null, null);
104                if (cursor != null) {
105                    if (cursor.moveToFirst()) {
106                        summary = cursor.getString(0);
107                    }
108                    cursor.close();
109                }
110            } catch (SQLiteException sqle) {
111                // Unknown title for the ringtone
112            }
113        }
114        if (defaultRingtone) {
115            summary = context.getString(R.string.default_notification_description, summary);
116        }
117        handler.sendMessage(handler.obtainMessage(msg, summary));
118    }
119}
120