| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.provider.settings.validators; |
| |
| import static android.provider.settings.validators.SettingsValidators.BOOLEAN_VALIDATOR; |
| import static android.provider.settings.validators.SettingsValidators.COMPONENT_NAME_VALIDATOR; |
| import static android.provider.settings.validators.SettingsValidators.DATE_FORMAT_VALIDATOR; |
| import static android.provider.settings.validators.SettingsValidators.LENIENT_IP_ADDRESS_VALIDATOR; |
| import static android.provider.settings.validators.SettingsValidators.NON_NEGATIVE_INTEGER_VALIDATOR; |
| import static android.provider.settings.validators.SettingsValidators.URI_VALIDATOR; |
| import static android.provider.settings.validators.SettingsValidators.VIBRATION_INTENSITY_VALIDATOR; |
| |
| import android.annotation.Nullable; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.ComponentName; |
| import android.hardware.display.ColorDisplayManager; |
| import android.os.BatteryManager; |
| import android.provider.Settings.System; |
| import android.util.ArrayMap; |
| |
| import java.util.Map; |
| |
| /** |
| * Validators for System settings |
| */ |
| public class SystemSettingsValidators { |
| /** |
| * These are all public system settings |
| * |
| * <p>All settings in {@link System.SETTINGS_TO_BACKUP} array *must* have a non-null validator, |
| * otherwise they won't be restored. |
| */ |
| @UnsupportedAppUsage |
| public static final Map<String, Validator> VALIDATORS = new ArrayMap<>(); |
| |
| static { |
| VALIDATORS.put( |
| System.STAY_ON_WHILE_PLUGGED_IN, |
| value -> { |
| try { |
| int val = Integer.parseInt(value); |
| return (val == 0) |
| || (val == BatteryManager.BATTERY_PLUGGED_AC) |
| || (val == BatteryManager.BATTERY_PLUGGED_USB) |
| || (val == BatteryManager.BATTERY_PLUGGED_WIRELESS) |
| || (val |
| == (BatteryManager.BATTERY_PLUGGED_AC |
| | BatteryManager.BATTERY_PLUGGED_USB)) |
| || (val |
| == (BatteryManager.BATTERY_PLUGGED_AC |
| | BatteryManager.BATTERY_PLUGGED_WIRELESS)) |
| || (val |
| == (BatteryManager.BATTERY_PLUGGED_USB |
| | BatteryManager.BATTERY_PLUGGED_WIRELESS)) |
| || (val |
| == (BatteryManager.BATTERY_PLUGGED_AC |
| | BatteryManager.BATTERY_PLUGGED_USB |
| | BatteryManager.BATTERY_PLUGGED_WIRELESS)); |
| } catch (NumberFormatException e) { |
| return false; |
| } |
| }); |
| VALIDATORS.put(System.END_BUTTON_BEHAVIOR, new InclusiveIntegerRangeValidator(0, 3)); |
| VALIDATORS.put(System.WIFI_USE_STATIC_IP, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.BLUETOOTH_DISCOVERABILITY, new InclusiveIntegerRangeValidator(0, 2)); |
| VALIDATORS.put(System.BLUETOOTH_DISCOVERABILITY_TIMEOUT, NON_NEGATIVE_INTEGER_VALIDATOR); |
| VALIDATORS.put( |
| System.NEXT_ALARM_FORMATTED, |
| new Validator() { |
| private static final int MAX_LENGTH = 1000; |
| |
| @Override |
| public boolean validate(String value) { |
| // TODO: No idea what the correct format is. |
| return value == null || value.length() < MAX_LENGTH; |
| } |
| }); |
| VALIDATORS.put( |
| System.FONT_SCALE, |
| value -> { |
| try { |
| return Float.parseFloat(value) >= 0; |
| } catch (NumberFormatException | NullPointerException e) { |
| return false; |
| } |
| }); |
| VALIDATORS.put(System.DIM_SCREEN, BOOLEAN_VALIDATOR); |
| VALIDATORS.put( |
| System.DISPLAY_COLOR_MODE, |
| new Validator() { |
| @Override |
| public boolean validate(@Nullable String value) { |
| // Assume the actual validation that this device can properly handle this |
| // kind of |
| // color mode further down in ColorDisplayManager / ColorDisplayService. |
| try { |
| final int setting = Integer.parseInt(value); |
| final boolean isInFrameworkRange = |
| setting >= ColorDisplayManager.COLOR_MODE_NATURAL |
| && setting <= ColorDisplayManager.COLOR_MODE_AUTOMATIC; |
| final boolean isInVendorRange = |
| setting >= ColorDisplayManager.VENDOR_COLOR_MODE_RANGE_MIN |
| && setting |
| <= ColorDisplayManager |
| .VENDOR_COLOR_MODE_RANGE_MAX; |
| return isInFrameworkRange || isInVendorRange; |
| } catch (NumberFormatException | NullPointerException e) { |
| return false; |
| } |
| } |
| }); |
| VALIDATORS.put(System.SCREEN_OFF_TIMEOUT, NON_NEGATIVE_INTEGER_VALIDATOR); |
| VALIDATORS.put(System.SCREEN_BRIGHTNESS_FOR_VR, new InclusiveIntegerRangeValidator(0, 255)); |
| VALIDATORS.put(System.SCREEN_BRIGHTNESS_MODE, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.ADAPTIVE_SLEEP, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.MODE_RINGER_STREAMS_AFFECTED, NON_NEGATIVE_INTEGER_VALIDATOR); |
| VALIDATORS.put(System.MUTE_STREAMS_AFFECTED, NON_NEGATIVE_INTEGER_VALIDATOR); |
| VALIDATORS.put(System.VIBRATE_ON, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.NOTIFICATION_VIBRATION_INTENSITY, VIBRATION_INTENSITY_VALIDATOR); |
| VALIDATORS.put(System.RING_VIBRATION_INTENSITY, VIBRATION_INTENSITY_VALIDATOR); |
| VALIDATORS.put(System.HAPTIC_FEEDBACK_INTENSITY, VIBRATION_INTENSITY_VALIDATOR); |
| VALIDATORS.put(System.RINGTONE, URI_VALIDATOR); |
| VALIDATORS.put(System.NOTIFICATION_SOUND, URI_VALIDATOR); |
| VALIDATORS.put(System.ALARM_ALERT, URI_VALIDATOR); |
| VALIDATORS.put(System.TEXT_AUTO_REPLACE, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.TEXT_AUTO_CAPS, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.TEXT_AUTO_PUNCTUATE, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.TEXT_SHOW_PASSWORD, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.AUTO_TIME, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.AUTO_TIME_ZONE, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SHOW_GTALK_SERVICE_STATUS, BOOLEAN_VALIDATOR); |
| VALIDATORS.put( |
| System.WALLPAPER_ACTIVITY, |
| new Validator() { |
| private static final int MAX_LENGTH = 1000; |
| |
| @Override |
| public boolean validate(String value) { |
| if (value != null && value.length() > MAX_LENGTH) { |
| return false; |
| } |
| return ComponentName.unflattenFromString(value) != null; |
| } |
| }); |
| VALIDATORS.put( |
| System.TIME_12_24, new DiscreteValueValidator(new String[] {"12", "24", null})); |
| VALIDATORS.put(System.DATE_FORMAT, DATE_FORMAT_VALIDATOR); |
| VALIDATORS.put(System.SETUP_WIZARD_HAS_RUN, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.ACCELEROMETER_ROTATION, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.USER_ROTATION, new InclusiveIntegerRangeValidator(0, 3)); |
| VALIDATORS.put(System.DTMF_TONE_WHEN_DIALING, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SOUND_EFFECTS_ENABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.HAPTIC_FEEDBACK_ENABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.POWER_SOUNDS_ENABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.DOCK_SOUNDS_ENABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SHOW_WEB_SUGGESTIONS, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.WIFI_USE_STATIC_IP, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.ADVANCED_SETTINGS, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SCREEN_AUTO_BRIGHTNESS_ADJ, new InclusiveFloatRangeValidator(-1, 1)); |
| VALIDATORS.put(System.VIBRATE_INPUT_DEVICES, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.MASTER_MONO, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.MASTER_BALANCE, new InclusiveFloatRangeValidator(-1.f, 1.f)); |
| VALIDATORS.put(System.NOTIFICATIONS_USE_RING_VOLUME, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.VIBRATE_IN_SILENT, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.MEDIA_BUTTON_RECEIVER, COMPONENT_NAME_VALIDATOR); |
| VALIDATORS.put(System.HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.VIBRATE_WHEN_RINGING, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.DTMF_TONE_TYPE_WHEN_DIALING, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.HEARING_AID, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.TTY_MODE, new InclusiveIntegerRangeValidator(0, 3)); |
| VALIDATORS.put(System.NOTIFICATION_LIGHT_PULSE, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.POINTER_LOCATION, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SHOW_TOUCHES, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.WINDOW_ORIENTATION_LISTENER_LOG, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.LOCKSCREEN_SOUNDS_ENABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.LOCKSCREEN_DISABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SIP_RECEIVE_CALLS, BOOLEAN_VALIDATOR); |
| VALIDATORS.put( |
| System.SIP_CALL_OPTIONS, |
| new DiscreteValueValidator(new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"})); |
| VALIDATORS.put(System.SIP_ALWAYS, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SIP_ADDRESS_ONLY, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.SIP_ASK_ME_EACH_TIME, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.POINTER_SPEED, new InclusiveFloatRangeValidator(-7, 7)); |
| VALIDATORS.put(System.LOCK_TO_APP_ENABLED, BOOLEAN_VALIDATOR); |
| VALIDATORS.put( |
| System.EGG_MODE, |
| new Validator() { |
| @Override |
| public boolean validate(@Nullable String value) { |
| try { |
| return Long.parseLong(value) >= 0; |
| } catch (NumberFormatException e) { |
| return false; |
| } |
| } |
| }); |
| VALIDATORS.put(System.WIFI_STATIC_IP, LENIENT_IP_ADDRESS_VALIDATOR); |
| VALIDATORS.put(System.WIFI_STATIC_GATEWAY, LENIENT_IP_ADDRESS_VALIDATOR); |
| VALIDATORS.put(System.WIFI_STATIC_NETMASK, LENIENT_IP_ADDRESS_VALIDATOR); |
| VALIDATORS.put(System.WIFI_STATIC_DNS1, LENIENT_IP_ADDRESS_VALIDATOR); |
| VALIDATORS.put(System.WIFI_STATIC_DNS2, LENIENT_IP_ADDRESS_VALIDATOR); |
| VALIDATORS.put(System.SHOW_BATTERY_PERCENT, BOOLEAN_VALIDATOR); |
| VALIDATORS.put(System.NOTIFICATION_LIGHT_PULSE, BOOLEAN_VALIDATOR); |
| } |
| } |
