1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 package com.android.cellbroadcastreceiver; 18 19 import android.content.Context; 20 import android.graphics.Typeface; 21 import android.telephony.CellBroadcastMessage; 22 import android.telephony.SmsCbCmasInfo; 23 import android.telephony.SmsCbEtwsInfo; 24 import android.text.Spannable; 25 import android.text.SpannableStringBuilder; 26 27 /** 28 * Returns the string resource ID's for CMAS and ETWS emergency alerts. 29 */ 30 public class CellBroadcastResources { 31 32 /** 33 * Returns a styled CharSequence containing the message body and optional CMAS alert headers. 34 * @param context a Context for resource string access 35 * @return a CharSequence for display in the broadcast alert dialog 36 */ 37 public static CharSequence getFormattedMessageBody(Context context, CellBroadcastMessage cbm) { 38 if (cbm.isCmasMessage()) { 39 SmsCbCmasInfo cmasInfo = cbm.getCmasWarningInfo(); 40 SpannableStringBuilder buf = new SpannableStringBuilder(); 41 42 // CMAS category 43 int categoryId = getCmasCategoryResId(cmasInfo); 44 if (categoryId != 0) { 45 buf.append(context.getText(R.string.cmas_category_heading)); 46 buf.append(context.getText(categoryId)); 47 buf.append('\n'); 48 } 49 50 // CMAS response type 51 int responseId = getCmasResponseResId(cmasInfo); 52 if (responseId != 0) { 53 buf.append(context.getText(R.string.cmas_response_heading)); 54 buf.append(context.getText(responseId)); 55 buf.append('\n'); 56 } 57 58 // CMAS severity 59 int severityId = getCmasSeverityResId(cmasInfo); 60 if (severityId != 0) { 61 buf.append(context.getText(R.string.cmas_severity_heading)); 62 buf.append(context.getText(severityId)); 63 buf.append('\n'); 64 } 65 66 // CMAS urgency 67 int urgencyId = getCmasUrgencyResId(cmasInfo); 68 if (urgencyId != 0) { 69 buf.append(context.getText(R.string.cmas_urgency_heading)); 70 buf.append(context.getText(urgencyId)); 71 buf.append('\n'); 72 } 73 74 // CMAS certainty 75 int certaintyId = getCmasCertaintyResId(cmasInfo); 76 if (certaintyId != 0) { 77 buf.append(context.getText(R.string.cmas_certainty_heading)); 78 buf.append(context.getText(certaintyId)); 79 buf.append('\n'); 80 } 81 82 // Style all headings in bold 83 buf.setSpan(Typeface.DEFAULT_BOLD, 0, buf.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE); 84 85 buf.append(cbm.getMessageBody()); 86 return buf; 87 } else { 88 return cbm.getMessageBody(); 89 } 90 } 91 92 /** 93 * Returns the string resource ID for the CMAS category. 94 * @return a string resource ID, or 0 if the CMAS category is unknown or not present 95 */ 96 private static int getCmasCategoryResId(SmsCbCmasInfo cmasInfo) { 97 switch (cmasInfo.getCategory()) { 98 case SmsCbCmasInfo.CMAS_CATEGORY_GEO: 99 return R.string.cmas_category_geo; 100 101 case SmsCbCmasInfo.CMAS_CATEGORY_MET: 102 return R.string.cmas_category_met; 103 104 case SmsCbCmasInfo.CMAS_CATEGORY_SAFETY: 105 return R.string.cmas_category_safety; 106 107 case SmsCbCmasInfo.CMAS_CATEGORY_SECURITY: 108 return R.string.cmas_category_security; 109 110 case SmsCbCmasInfo.CMAS_CATEGORY_RESCUE: 111 return R.string.cmas_category_rescue; 112 113 case SmsCbCmasInfo.CMAS_CATEGORY_FIRE: 114 return R.string.cmas_category_fire; 115 116 case SmsCbCmasInfo.CMAS_CATEGORY_HEALTH: 117 return R.string.cmas_category_health; 118 119 case SmsCbCmasInfo.CMAS_CATEGORY_ENV: 120 return R.string.cmas_category_env; 121 122 case SmsCbCmasInfo.CMAS_CATEGORY_TRANSPORT: 123 return R.string.cmas_category_transport; 124 125 case SmsCbCmasInfo.CMAS_CATEGORY_INFRA: 126 return R.string.cmas_category_infra; 127 128 case SmsCbCmasInfo.CMAS_CATEGORY_CBRNE: 129 return R.string.cmas_category_cbrne; 130 131 case SmsCbCmasInfo.CMAS_CATEGORY_OTHER: 132 return R.string.cmas_category_other; 133 134 default: 135 return 0; 136 } 137 } 138 139 /** 140 * Returns the string resource ID for the CMAS response type. 141 * @return a string resource ID, or 0 if the CMAS response type is unknown or not present 142 */ 143 private static int getCmasResponseResId(SmsCbCmasInfo cmasInfo) { 144 switch (cmasInfo.getResponseType()) { 145 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_SHELTER: 146 return R.string.cmas_response_shelter; 147 148 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_EVACUATE: 149 return R.string.cmas_response_evacuate; 150 151 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_PREPARE: 152 return R.string.cmas_response_prepare; 153 154 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_EXECUTE: 155 return R.string.cmas_response_execute; 156 157 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_MONITOR: 158 return R.string.cmas_response_monitor; 159 160 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_AVOID: 161 return R.string.cmas_response_avoid; 162 163 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_ASSESS: 164 return R.string.cmas_response_assess; 165 166 case SmsCbCmasInfo.CMAS_RESPONSE_TYPE_NONE: 167 return R.string.cmas_response_none; 168 169 default: 170 return 0; 171 } 172 } 173 174 /** 175 * Returns the string resource ID for the CMAS severity. 176 * @return a string resource ID, or 0 if the CMAS severity is unknown or not present 177 */ 178 private static int getCmasSeverityResId(SmsCbCmasInfo cmasInfo) { 179 switch (cmasInfo.getSeverity()) { 180 case SmsCbCmasInfo.CMAS_SEVERITY_EXTREME: 181 return R.string.cmas_severity_extreme; 182 183 case SmsCbCmasInfo.CMAS_SEVERITY_SEVERE: 184 return R.string.cmas_severity_severe; 185 186 default: 187 return 0; 188 } 189 } 190 191 /** 192 * Returns the string resource ID for the CMAS urgency. 193 * @return a string resource ID, or 0 if the CMAS urgency is unknown or not present 194 */ 195 private static int getCmasUrgencyResId(SmsCbCmasInfo cmasInfo) { 196 switch (cmasInfo.getUrgency()) { 197 case SmsCbCmasInfo.CMAS_URGENCY_IMMEDIATE: 198 return R.string.cmas_urgency_immediate; 199 200 case SmsCbCmasInfo.CMAS_URGENCY_EXPECTED: 201 return R.string.cmas_urgency_expected; 202 203 default: 204 return 0; 205 } 206 } 207 208 /** 209 * Returns the string resource ID for the CMAS certainty. 210 * @return a string resource ID, or 0 if the CMAS certainty is unknown or not present 211 */ 212 private static int getCmasCertaintyResId(SmsCbCmasInfo cmasInfo) { 213 switch (cmasInfo.getCertainty()) { 214 case SmsCbCmasInfo.CMAS_CERTAINTY_OBSERVED: 215 return R.string.cmas_certainty_observed; 216 217 case SmsCbCmasInfo.CMAS_CERTAINTY_LIKELY: 218 return R.string.cmas_certainty_likely; 219 220 default: 221 return 0; 222 } 223 } 224 225 public static int getDialogTitleResource(CellBroadcastMessage cbm) { 226 // ETWS warning types 227 SmsCbEtwsInfo etwsInfo = cbm.getEtwsWarningInfo(); 228 if (etwsInfo != null) { 229 switch (etwsInfo.getWarningType()) { 230 case SmsCbEtwsInfo.ETWS_WARNING_TYPE_EARTHQUAKE: 231 return R.string.etws_earthquake_warning; 232 233 case SmsCbEtwsInfo.ETWS_WARNING_TYPE_TSUNAMI: 234 return R.string.etws_tsunami_warning; 235 236 case SmsCbEtwsInfo.ETWS_WARNING_TYPE_EARTHQUAKE_AND_TSUNAMI: 237 return R.string.etws_earthquake_and_tsunami_warning; 238 239 case SmsCbEtwsInfo.ETWS_WARNING_TYPE_TEST_MESSAGE: 240 return R.string.etws_test_message; 241 242 case SmsCbEtwsInfo.ETWS_WARNING_TYPE_OTHER_EMERGENCY: 243 default: 244 return R.string.etws_other_emergency_type; 245 } 246 } 247 248 // CMAS warning types 249 SmsCbCmasInfo cmasInfo = cbm.getCmasWarningInfo(); 250 if (cmasInfo != null) { 251 switch (cmasInfo.getMessageClass()) { 252 case SmsCbCmasInfo.CMAS_CLASS_PRESIDENTIAL_LEVEL_ALERT: 253 return R.string.cmas_presidential_level_alert; 254 255 case SmsCbCmasInfo.CMAS_CLASS_EXTREME_THREAT: 256 return R.string.cmas_extreme_alert; 257 258 case SmsCbCmasInfo.CMAS_CLASS_SEVERE_THREAT: 259 return R.string.cmas_severe_alert; 260 261 case SmsCbCmasInfo.CMAS_CLASS_CHILD_ABDUCTION_EMERGENCY: 262 return R.string.cmas_amber_alert; 263 264 case SmsCbCmasInfo.CMAS_CLASS_REQUIRED_MONTHLY_TEST: 265 return R.string.cmas_required_monthly_test; 266 267 case SmsCbCmasInfo.CMAS_CLASS_CMAS_EXERCISE: 268 return R.string.cmas_exercise_alert; 269 270 case SmsCbCmasInfo.CMAS_CLASS_OPERATOR_DEFINED_USE: 271 return R.string.cmas_operator_defined_alert; 272 273 default: 274 return R.string.pws_other_message_identifiers; 275 } 276 } 277 278 if (cbm.isPublicAlertMessage()) { 279 return R.string.pws_other_message_identifiers; 280 } else { 281 return R.string.cb_other_message_identifiers; 282 } 283 } 284 } 285
