1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.ui; 19 20 import java.util.regex.Pattern; 21 22 import com.android.mms.R; 23 import com.android.mms.data.Contact; 24 import com.android.mms.model.SlideModel; 25 import com.android.mms.model.SlideshowModel; 26 import com.android.mms.model.TextModel; 27 import com.android.mms.ui.MessageListAdapter.ColumnsMap; 28 import com.android.mms.util.AddressUtils; 29 import com.google.android.mms.MmsException; 30 import com.google.android.mms.pdu.EncodedStringValue; 31 import com.google.android.mms.pdu.MultimediaMessagePdu; 32 import com.google.android.mms.pdu.NotificationInd; 33 import com.google.android.mms.pdu.PduHeaders; 34 import com.google.android.mms.pdu.PduPersister; 35 import com.google.android.mms.pdu.RetrieveConf; 36 import com.google.android.mms.pdu.SendReq; 37 38 import android.content.ContentUris; 39 import android.content.Context; 40 import android.database.Cursor; 41 import android.net.Uri; 42 import android.provider.Telephony.Mms; 43 import android.provider.Telephony.MmsSms; 44 import android.provider.Telephony.Sms; 45 import android.text.TextUtils; 46 import android.util.Log; 47 48 /** 49 * Mostly immutable model for an SMS/MMS message. 50 * 51 * <p>The only mutable field is the cached formatted message member, 52 * the formatting of which is done outside this model in MessageListItem. 53 */ 54 public class MessageItem { 55 private static String TAG = "MessageItem"; 56 57 public enum DeliveryStatus { NONE, INFO, FAILED, PENDING, RECEIVED } 58 59 final Context mContext; 60 final String mType; 61 final long mMsgId; 62 final int mBoxId; 63 64 DeliveryStatus mDeliveryStatus; 65 boolean mReadReport; 66 boolean mLocked; // locked to prevent auto-deletion 67 68 String mTimestamp; 69 String mAddress; 70 String mContact; 71 String mBody; // Body of SMS, first text of MMS. 72 String mTextContentType; // ContentType of text of MMS. 73 Pattern mHighlight; // portion of message to highlight (from search) 74 75 // The only non-immutable field. Not synchronized, as access will 76 // only be from the main GUI thread. Worst case if accessed from 77 // another thread is it'll return null and be set again from that 78 // thread. 79 CharSequence mCachedFormattedMessage; 80 81 // The last message is cached above in mCachedFormattedMessage. In the latest design, we 82 // show "Sending..." in place of the timestamp when a message is being sent. mLastSendingState 83 // is used to keep track of the last sending state so that if the current sending state is 84 // different, we can clear the message cache so it will get rebuilt and recached. 85 boolean mLastSendingState; 86 87 // Fields for MMS only. 88 Uri mMessageUri; 89 int mMessageType; 90 int mAttachmentType; 91 String mSubject; 92 SlideshowModel mSlideshow; 93 int mMessageSize; 94 int mErrorType; 95 int mErrorCode; 96 97 MessageItem(Context context, String type, Cursor cursor, 98 ColumnsMap columnsMap, Pattern highlight) throws MmsException { 99 mContext = context; 100 mMsgId = cursor.getLong(columnsMap.mColumnMsgId); 101 mHighlight = highlight; 102 mType = type; 103 104 if ("sms".equals(type)) { 105 mReadReport = false; // No read reports in sms 106 107 long status = cursor.getLong(columnsMap.mColumnSmsStatus); 108 if (status == Sms.STATUS_NONE) { 109 // No delivery report requested 110 mDeliveryStatus = DeliveryStatus.NONE; 111 } else if (status >= Sms.STATUS_FAILED) { 112 // Failure 113 mDeliveryStatus = DeliveryStatus.FAILED; 114 } else if (status >= Sms.STATUS_PENDING) { 115 // Pending 116 mDeliveryStatus = DeliveryStatus.PENDING; 117 } else { 118 // Success 119 mDeliveryStatus = DeliveryStatus.RECEIVED; 120 } 121 122 mMessageUri = ContentUris.withAppendedId(Sms.CONTENT_URI, mMsgId); 123 // Set contact and message body 124 mBoxId = cursor.getInt(columnsMap.mColumnSmsType); 125 mAddress = cursor.getString(columnsMap.mColumnSmsAddress); 126 if (Sms.isOutgoingFolder(mBoxId)) { 127 String meString = context.getString( 128 R.string.messagelist_sender_self); 129 130 mContact = meString; 131 } else { 132 // For incoming messages, the ADDRESS field contains the sender. 133 mContact = Contact.get(mAddress, false).getName(); 134 } 135 mBody = cursor.getString(columnsMap.mColumnSmsBody); 136 137 // Unless the message is currently in the progress of being sent, it gets a time stamp. 138 if (!isOutgoingMessage()) { 139 // Set "received" or "sent" time stamp 140 long date = cursor.getLong(columnsMap.mColumnSmsDate); 141 mTimestamp = MessageUtils.formatTimeStampString(context, date); 142 } 143 144 mLocked = cursor.getInt(columnsMap.mColumnSmsLocked) != 0; 145 mErrorCode = cursor.getInt(columnsMap.mColumnSmsErrorCode); 146 } else if ("mms".equals(type)) { 147 mMessageUri = ContentUris.withAppendedId(Mms.CONTENT_URI, mMsgId); 148 mBoxId = cursor.getInt(columnsMap.mColumnMmsMessageBox); 149 mMessageType = cursor.getInt(columnsMap.mColumnMmsMessageType); 150 mErrorType = cursor.getInt(columnsMap.mColumnMmsErrorType); 151 String subject = cursor.getString(columnsMap.mColumnMmsSubject); 152 if (!TextUtils.isEmpty(subject)) { 153 EncodedStringValue v = new EncodedStringValue( 154 cursor.getInt(columnsMap.mColumnMmsSubjectCharset), 155 PduPersister.getBytes(subject)); 156 mSubject = v.getString(); 157 } 158 mLocked = cursor.getInt(columnsMap.mColumnMmsLocked) != 0; 159 160 long timestamp = 0L; 161 PduPersister p = PduPersister.getPduPersister(mContext); 162 if (PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND == mMessageType) { 163 mDeliveryStatus = DeliveryStatus.NONE; 164 NotificationInd notifInd = (NotificationInd) p.load(mMessageUri); 165 interpretFrom(notifInd.getFrom(), mMessageUri); 166 // Borrow the mBody to hold the URL of the message. 167 mBody = new String(notifInd.getContentLocation()); 168 mMessageSize = (int) notifInd.getMessageSize(); 169 timestamp = notifInd.getExpiry() * 1000L; 170 } else { 171 MultimediaMessagePdu msg = (MultimediaMessagePdu) p.load(mMessageUri); 172 mSlideshow = SlideshowModel.createFromPduBody(context, msg.getBody()); 173 mAttachmentType = MessageUtils.getAttachmentType(mSlideshow); 174 175 if (mMessageType == PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF) { 176 RetrieveConf retrieveConf = (RetrieveConf) msg; 177 interpretFrom(retrieveConf.getFrom(), mMessageUri); 178 timestamp = retrieveConf.getDate() * 1000L; 179 } else { 180 // Use constant string for outgoing messages 181 mContact = mAddress = context.getString(R.string.messagelist_sender_self); 182 timestamp = ((SendReq) msg).getDate() * 1000L; 183 } 184 185 186 String report = cursor.getString(columnsMap.mColumnMmsDeliveryReport); 187 if ((report == null) || !mAddress.equals(context.getString( 188 R.string.messagelist_sender_self))) { 189 mDeliveryStatus = DeliveryStatus.NONE; 190 } else { 191 int reportInt; 192 try { 193 reportInt = Integer.parseInt(report); 194 if (reportInt == PduHeaders.VALUE_YES) { 195 mDeliveryStatus = DeliveryStatus.RECEIVED; 196 } else { 197 mDeliveryStatus = DeliveryStatus.NONE; 198 } 199 } catch (NumberFormatException nfe) { 200 Log.e(TAG, "Value for delivery report was invalid."); 201 mDeliveryStatus = DeliveryStatus.NONE; 202 } 203 } 204 205 report = cursor.getString(columnsMap.mColumnMmsReadReport); 206 if ((report == null) || !mAddress.equals(context.getString( 207 R.string.messagelist_sender_self))) { 208 mReadReport = false; 209 } else { 210 int reportInt; 211 try { 212 reportInt = Integer.parseInt(report); 213 mReadReport = (reportInt == PduHeaders.VALUE_YES); 214 } catch (NumberFormatException nfe) { 215 Log.e(TAG, "Value for read report was invalid."); 216 mReadReport = false; 217 } 218 } 219 220 SlideModel slide = mSlideshow.get(0); 221 if ((slide != null) && slide.hasText()) { 222 TextModel tm = slide.getText(); 223 if (tm.isDrmProtected()) { 224 mBody = mContext.getString(R.string.drm_protected_text); 225 } else { 226 mBody = tm.getText(); 227 } 228 mTextContentType = tm.getContentType(); 229 } 230 231 mMessageSize = mSlideshow.getTotalMessageSize(); 232 } 233 234 if (!isOutgoingMessage()) { 235 if (PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND == mMessageType) { 236 mTimestamp = context.getString(R.string.expire_on, 237 MessageUtils.formatTimeStampString(context, timestamp)); 238 } else { 239 mTimestamp = MessageUtils.formatTimeStampString(context, timestamp); 240 } 241 } 242 } else { 243 throw new MmsException("Unknown type of the message: " + type); 244 } 245 } 246 247 private void interpretFrom(EncodedStringValue from, Uri messageUri) { 248 if (from != null) { 249 mAddress = from.getString(); 250 } else { 251 // In the rare case when getting the "from" address from the pdu fails, 252 // (e.g. from == null) fall back to a slower, yet more reliable method of 253 // getting the address from the "addr" table. This is what the Messaging 254 // notification system uses. 255 mAddress = AddressUtils.getFrom(mContext, messageUri); 256 } 257 mContact = TextUtils.isEmpty(mAddress) ? "" : Contact.get(mAddress, false).getName(); 258 } 259 260 public boolean isMms() { 261 return mType.equals("mms"); 262 } 263 264 public boolean isSms() { 265 return mType.equals("sms"); 266 } 267 268 public boolean isDownloaded() { 269 return (mMessageType != PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND); 270 } 271 272 public boolean isOutgoingMessage() { 273 boolean isOutgoingMms = isMms() && (mBoxId == Mms.MESSAGE_BOX_OUTBOX); 274 boolean isOutgoingSms = isSms() 275 && ((mBoxId == Sms.MESSAGE_TYPE_FAILED) 276 || (mBoxId == Sms.MESSAGE_TYPE_OUTBOX) 277 || (mBoxId == Sms.MESSAGE_TYPE_QUEUED)); 278 return isOutgoingMms || isOutgoingSms; 279 } 280 281 public boolean isSending() { 282 return !isFailedMessage() && isOutgoingMessage(); 283 } 284 285 public boolean isFailedMessage() { 286 boolean isFailedMms = isMms() 287 && (mErrorType >= MmsSms.ERR_TYPE_GENERIC_PERMANENT); 288 boolean isFailedSms = isSms() 289 && (mBoxId == Sms.MESSAGE_TYPE_FAILED); 290 return isFailedMms || isFailedSms; 291 } 292 293 // Note: This is the only mutable field in this class. Think of 294 // mCachedFormattedMessage as a C++ 'mutable' field on a const 295 // object, with this being a lazy accessor whose logic to set it 296 // is outside the class for model/view separation reasons. In any 297 // case, please keep this class conceptually immutable. 298 public void setCachedFormattedMessage(CharSequence formattedMessage) { 299 mCachedFormattedMessage = formattedMessage; 300 } 301 302 public CharSequence getCachedFormattedMessage() { 303 boolean isSending = isSending(); 304 if (isSending != mLastSendingState) { 305 mLastSendingState = isSending; 306 mCachedFormattedMessage = null; // clear cache so we'll rebuild the message 307 // to show "Sending..." or the sent date. 308 } 309 return mCachedFormattedMessage; 310 } 311 312 public int getBoxId() { 313 return mBoxId; 314 } 315 316 @Override 317 public String toString() { 318 return "type: " + mType + 319 " box: " + mBoxId + 320 " uri: " + mMessageUri + 321 " address: " + mAddress + 322 " contact: " + mContact + 323 " read: " + mReadReport + 324 " delivery status: " + mDeliveryStatus; 325 } 326 } 327
