| /* |
| * Copyright (C) 2016 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 com.android.server.telecom.settings; |
| |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.PersistableBundle; |
| import android.os.UserHandle; |
| import android.provider.BlockedNumberContract.SystemContract; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.PhoneNumberUtils; |
| import android.text.BidiFormatter; |
| import android.text.Spannable; |
| import android.text.SpannableString; |
| import android.text.TextDirectionHeuristics; |
| import android.widget.Toast; |
| |
| import com.android.server.telecom.R; |
| import com.android.server.telecom.ui.NotificationChannelManager; |
| |
| import java.util.Locale; |
| |
| public final class BlockedNumbersUtil { |
| private BlockedNumbersUtil() {} |
| |
| private static final int EMERGENCY_CALL_NOTIFICATION = 150; |
| |
| /** |
| * @return locale and default to US if no locale was returned. |
| */ |
| public static String getLocaleDefaultToUS() { |
| String countryIso = Locale.getDefault().getCountry(); |
| if (countryIso == null || countryIso.length() != 2) { |
| countryIso = "US"; |
| } |
| return countryIso; |
| } |
| |
| /** |
| * Attempts to format the number, or returns the original number if it is not formattable. Also |
| * wraps the returned number as LTR. |
| */ |
| public static String formatNumber(String number){ |
| String formattedNumber = PhoneNumberUtils.formatNumber(number, getLocaleDefaultToUS()); |
| return BidiFormatter.getInstance().unicodeWrap( |
| formattedNumber == null ? number : formattedNumber, |
| TextDirectionHeuristics.LTR); |
| } |
| |
| /** |
| * Formats the number in the string and shows a toast for {@link Toast#LENGTH_SHORT}. |
| * |
| * <p>Adds the number in a TsSpan so that it reads as a phone number when talk back is on. |
| */ |
| public static void showToastWithFormattedNumber(Context context, int stringId, String number) { |
| String formattedNumber = formatNumber(number); |
| String message = context.getString(stringId, formattedNumber); |
| int startingPosition = message.indexOf(formattedNumber); |
| Spannable messageSpannable = new SpannableString(message); |
| PhoneNumberUtils.addTtsSpan(messageSpannable, startingPosition, |
| startingPosition + formattedNumber.length()); |
| Toast.makeText( |
| context, |
| messageSpannable, |
| Toast.LENGTH_SHORT).show(); |
| } |
| |
| /** |
| * Updates an emergency call notification |
| * |
| * @param context context to start CallBlockDisabledActivity. |
| * @param showNotification if {@code true} show notification, {@code false} cancel notification. |
| */ |
| public static void updateEmergencyCallNotification(Context context, boolean showNotification) { |
| NotificationManager notificationManager = |
| (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); |
| if (showNotification) { |
| Intent intent = new Intent(context, CallBlockDisabledActivity.class); |
| PendingIntent pendingIntent = PendingIntent.getActivity( |
| context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); |
| |
| String title = context.getString( |
| R.string.phone_strings_call_blocking_turned_off_notification_title_txt); |
| String message = context.getString( |
| R.string.phone_strings_call_blocking_turned_off_notification_text_txt); |
| Notification.Builder builder = new Notification.Builder(context); |
| Notification notification = builder.setSmallIcon(android.R.drawable.stat_sys_warning) |
| .setTicker(message) |
| .setContentTitle(title) |
| .setContentText(message) |
| .setContentIntent(pendingIntent) |
| .setShowWhen(true) |
| .setChannel(NotificationChannelManager.CHANNEL_ID_CALL_BLOCKING) |
| .build(); |
| |
| notification.flags |= Notification.FLAG_NO_CLEAR; |
| notificationManager.notifyAsUser(null /* tag */ , EMERGENCY_CALL_NOTIFICATION, |
| notification, new UserHandle(UserHandle.USER_OWNER)); |
| } else { |
| notificationManager.cancelAsUser(null /* tag */ , EMERGENCY_CALL_NOTIFICATION, |
| new UserHandle(UserHandle.USER_OWNER)); |
| } |
| } |
| |
| /** |
| * Returns the platform configuration for whether to enable enhanced call blocking feature. |
| * |
| * @param context the application context |
| * @return If {@code true} means enhanced call blocking enabled by platform, |
| * {@code false} otherwise. |
| */ |
| public static boolean isEnhancedCallBlockingEnabledByPlatform(Context context) { |
| CarrierConfigManager configManager = (CarrierConfigManager) context.getSystemService( |
| Context.CARRIER_CONFIG_SERVICE); |
| PersistableBundle carrierConfig = configManager.getConfig(); |
| if (carrierConfig == null) { |
| carrierConfig = configManager.getDefaultConfig(); |
| } |
| return carrierConfig.getBoolean( |
| CarrierConfigManager.KEY_SUPPORT_ENHANCED_CALL_BLOCKING_BOOL); |
| } |
| |
| /** |
| * Get the blocking setting status from {@link BlockedNumberProvider} SharedPreferences. |
| * |
| * @param context the application context |
| * @param key preference key of SharedPreferences. |
| * @return If {@code true} means the key enabled in the SharedPreferences, |
| * {@code false} otherwise. |
| */ |
| public static boolean getEnhancedBlockSetting(Context context, String key) { |
| return SystemContract.getEnhancedBlockSetting(context, key); |
| } |
| |
| /** |
| * Set the blocking setting status to {@link BlockedNumberProvider} SharedPreferences. |
| * |
| * @param context the application context |
| * @param key preference key of SharedPreferences. |
| * @param value the register value to the SharedPreferences. |
| */ |
| public static void setEnhancedBlockSetting(Context context, String key, boolean value) { |
| SystemContract.setEnhancedBlockSetting(context, key, value); |
| } |
| } |