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.services.telephony.sip;
18
19import android.content.Context;
20import android.content.Intent;
21import android.content.SharedPreferences;
22import android.net.sip.SipManager;
23import android.provider.Settings;
24import android.provider.Settings.SettingNotFoundException;
25import android.util.Log;
26
27/**
28 * Wrapper for SIP's shared preferences.
29 */
30public class SipSharedPreferences {
31    private static final String PREFIX = "[SipSharedPreferences] ";
32    private static final boolean VERBOSE = false; /* STOP SHIP if true */
33
34    private static final String SIP_SHARED_PREFERENCES = "SIP_PREFERENCES";
35
36    /**
37     * @deprecated Primary account selection for SIP accounts is no longer relevant.
38     */
39    @Deprecated
40    private static final String KEY_PRIMARY_ACCOUNT = "primary";
41
42    private static final String KEY_NUMBER_OF_PROFILES = "profiles";
43
44    private SharedPreferences mPreferences;
45    private Context mContext;
46
47    public SipSharedPreferences(Context context) {
48        mPreferences = context.getSharedPreferences(
49                SIP_SHARED_PREFERENCES, Context.MODE_WORLD_READABLE);
50        mContext = context;
51    }
52
53    /**
54     * Returns the primary account URI or null if it does not exist.
55     * @deprecated The primary account setting is no longer used.
56     */
57    @Deprecated
58    public String getPrimaryAccount() {
59        return mPreferences.getString(KEY_PRIMARY_ACCOUNT, null);
60    }
61
62    public void setProfilesCount(int number) {
63        SharedPreferences.Editor editor = mPreferences.edit();
64        editor.putInt(KEY_NUMBER_OF_PROFILES, number);
65        editor.apply();
66    }
67
68    public int getProfilesCount() {
69        return mPreferences.getInt(KEY_NUMBER_OF_PROFILES, 0);
70    }
71
72    public void setSipCallOption(String option) {
73        Settings.System.putString(mContext.getContentResolver(),
74                Settings.System.SIP_CALL_OPTIONS, option);
75
76        // Notify SipAccountRegistry in the telephony layer that the configuration has changed.
77        // This causes the SIP PhoneAccounts to be re-registered.  This ensures the supported URI
78        // schemes for the SIP PhoneAccounts matches the new SIP_CALL_OPTIONS setting.
79        Intent intent = new Intent(SipManager.ACTION_SIP_CALL_OPTION_CHANGED);
80        mContext.sendBroadcast(intent);
81    }
82
83    public String getSipCallOption() {
84        String option = Settings.System.getString(mContext.getContentResolver(),
85                Settings.System.SIP_CALL_OPTIONS);
86        return (option != null) ? option
87                                : mContext.getString(R.string.sip_address_only);
88    }
89
90    public void setReceivingCallsEnabled(boolean enabled) {
91        Settings.System.putInt(mContext.getContentResolver(),
92                Settings.System.SIP_RECEIVE_CALLS, (enabled ? 1 : 0));
93    }
94
95    public boolean isReceivingCallsEnabled() {
96        try {
97            return (Settings.System.getInt(mContext.getContentResolver(),
98                    Settings.System.SIP_RECEIVE_CALLS) != 0);
99        } catch (SettingNotFoundException e) {
100            log("isReceivingCallsEnabled, option not set; use default value, exception: " + e);
101            return false;
102        }
103    }
104
105    /**
106     * Performs cleanup of the shared preferences, removing the deprecated primary account key if
107     * it exists.
108     */
109    public void cleanupPrimaryAccountSetting() {
110        if (mPreferences.contains(KEY_PRIMARY_ACCOUNT)) {
111            SharedPreferences.Editor editor = mPreferences.edit();
112            editor.remove(KEY_PRIMARY_ACCOUNT);
113            editor.apply();
114        }
115    }
116
117    // TODO: back up to Android Backup
118
119    private static void log(String msg) {
120        Log.d(SipUtil.LOG_TAG, PREFIX + msg);
121    }
122}
123