1 /* 2 * Copyright (C) 2017 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.voicemail.impl.configui; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 import android.os.Bundle; 22 import android.os.PersistableBundle; 23 import android.preference.EditTextPreference; 24 import android.preference.Preference; 25 import android.preference.Preference.OnPreferenceChangeListener; 26 import android.preference.PreferenceFragment; 27 import android.preference.PreferenceManager; 28 import android.preference.PreferenceScreen; 29 import android.preference.SwitchPreference; 30 import android.support.annotation.Nullable; 31 import android.support.annotation.VisibleForTesting; 32 import android.telecom.PhoneAccount; 33 import android.telecom.PhoneAccountHandle; 34 import android.telecom.TelecomManager; 35 import android.text.TextUtils; 36 import com.android.dialer.common.Assert; 37 import com.android.dialer.common.concurrent.ThreadUtil; 38 import com.android.voicemail.VoicemailComponent; 39 40 /** 41 * Fragment to edit the override values for the {@link import 42 * com.android.voicemail.impl.OmtpVvmCarrierConfigHelper} 43 */ 44 public class ConfigOverrideFragment extends PreferenceFragment 45 implements OnPreferenceChangeListener { 46 47 /** 48 * Any preference with key that starts with this prefix will be written to the dialer carrier 49 * config. 50 */ 51 @VisibleForTesting static final String CONFIG_OVERRIDE_KEY_PREFIX = "vvm_config_override_key_"; 52 53 @Override onCreate(@ullable Bundle savedInstanceState)54 public void onCreate(@Nullable Bundle savedInstanceState) { 55 super.onCreate(savedInstanceState); 56 PreferenceManager.setDefaultValues(getActivity(), R.xml.vvm_config_override, false); 57 addPreferencesFromResource(R.xml.vvm_config_override); 58 59 // add listener so the value of a EditTextPreference will be updated to the summary. 60 for (int i = 0; i < getPreferenceScreen().getPreferenceCount(); i++) { 61 Preference preference = getPreferenceScreen().getPreference(i); 62 preference.setOnPreferenceChangeListener(this); 63 updatePreference(preference); 64 } 65 } 66 67 @Override onPreferenceChange(Preference preference, Object newValue)68 public boolean onPreferenceChange(Preference preference, Object newValue) { 69 Assert.isMainThread(); 70 ThreadUtil.postOnUiThread(() -> updatePreference(preference)); 71 return true; 72 } 73 updatePreference(Preference preference)74 private void updatePreference(Preference preference) { 75 if (preference instanceof EditTextPreference) { 76 EditTextPreference editTextPreference = (EditTextPreference) preference; 77 editTextPreference.setSummary(editTextPreference.getText()); 78 } 79 } 80 81 @Override onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference)82 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 83 if (TextUtils.equals( 84 preference.getKey(), getString(R.string.vvm_config_override_load_current_key))) { 85 loadCurrentConfig(); 86 } 87 return super.onPreferenceTreeClick(preferenceScreen, preference); 88 } 89 90 /** 91 * Loads the config for the currently carrier into the override values, from the dialer or the 92 * carrier config app. This is a "reset" button to load the defaults. 93 */ loadCurrentConfig()94 private void loadCurrentConfig() { 95 Context context = getActivity(); 96 PhoneAccountHandle phoneAccountHandle = 97 context 98 .getSystemService(TelecomManager.class) 99 .getDefaultOutgoingPhoneAccount(PhoneAccount.SCHEME_VOICEMAIL); 100 101 PersistableBundle config = 102 VoicemailComponent.get(context).getVoicemailClient().getConfig(context, phoneAccountHandle); 103 104 for (int i = 0; i < getPreferenceScreen().getPreferenceCount(); i++) { 105 Preference preference = getPreferenceScreen().getPreference(i); 106 String key = preference.getKey(); 107 if (!key.startsWith(CONFIG_OVERRIDE_KEY_PREFIX)) { 108 continue; 109 } 110 111 String configKey = key.substring(CONFIG_OVERRIDE_KEY_PREFIX.length()); 112 113 if (configKey.endsWith("bool")) { 114 ((SwitchPreference) preference).setChecked(config.getBoolean(configKey)); 115 } else if (configKey.endsWith("int")) { 116 ((EditTextPreference) preference).setText(String.valueOf(config.getInt(configKey))); 117 } else if (configKey.endsWith("string")) { 118 ((EditTextPreference) preference).setText(config.getString(configKey)); 119 } else if (configKey.endsWith("string_array")) { 120 ((EditTextPreference) preference).setText(toCsv(config.getStringArray(configKey))); 121 } else { 122 throw Assert.createAssertionFailException("unknown type for key " + configKey); 123 } 124 updatePreference(preference); 125 } 126 } 127 isOverridden(Context context)128 public static boolean isOverridden(Context context) { 129 return PreferenceManager.getDefaultSharedPreferences(context) 130 .getBoolean(context.getString(R.string.vvm_config_override_enabled_key), false); 131 } 132 getConfig(Context context)133 public static PersistableBundle getConfig(Context context) { 134 Assert.checkState(isOverridden(context)); 135 PersistableBundle result = new PersistableBundle(); 136 137 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context); 138 for (String key : preferences.getAll().keySet()) { 139 if (!key.startsWith(CONFIG_OVERRIDE_KEY_PREFIX)) { 140 continue; 141 } 142 String configKey = key.substring(CONFIG_OVERRIDE_KEY_PREFIX.length()); 143 if (configKey.endsWith("bool")) { 144 result.putBoolean(configKey, preferences.getBoolean(key, false)); 145 } else if (configKey.endsWith("int")) { 146 result.putInt(configKey, Integer.valueOf(preferences.getString(key, null))); 147 } else if (configKey.endsWith("string")) { 148 result.putString(configKey, preferences.getString(key, null)); 149 } else if (configKey.endsWith("string_array")) { 150 result.putStringArray(configKey, fromCsv(preferences.getString(key, null))); 151 } else { 152 throw Assert.createAssertionFailException("unknown type for key " + configKey); 153 } 154 } 155 return result; 156 } 157 toCsv(String[] array)158 private static String toCsv(String[] array) { 159 if (array == null) { 160 return ""; 161 } 162 StringBuilder result = new StringBuilder(); 163 for (String element : array) { 164 if (result.length() != 0) { 165 result.append(","); 166 } 167 result.append(element); 168 } 169 return result.toString(); 170 }; 171 fromCsv(String csv)172 private static String[] fromCsv(String csv) { 173 return csv.split(","); 174 } 175 } 176