1 /* 2 * Copyright (C) 2007-2008 Esmertec AG. 3 * Copyright (C) 2007-2008 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 android.app.Activity; 21 import android.app.AlertDialog; 22 import android.content.ContentResolver; 23 import android.content.ContentUris; 24 import android.content.ContentValues; 25 import android.content.DialogInterface; 26 import android.content.DialogInterface.OnClickListener; 27 import android.database.Cursor; 28 import android.net.Uri; 29 import android.os.Bundle; 30 import android.os.Handler; 31 import android.os.Message; 32 import android.os.SystemClock; 33 import android.provider.Telephony.Sms; 34 import android.provider.Telephony.Sms.Inbox; 35 import android.telephony.SmsMessage; 36 import android.text.TextUtils; 37 import android.util.Log; 38 import android.view.Window; 39 40 import com.android.mms.R; 41 import com.android.mms.transaction.SmsReceiverService; 42 import com.android.mms.transaction.MessagingNotification; 43 44 import android.database.sqlite.SqliteWrapper; 45 46 /** 47 * Display a class-zero SMS message to the user. Wait for the user to dismiss 48 * it. 49 */ 50 public class ClassZeroActivity extends Activity { 51 private static final String BUFFER = " "; 52 private static final int BUFFER_OFFSET = BUFFER.length() * 2; 53 private static final String TAG = "display_00"; 54 private static final int ON_AUTO_SAVE = 1; 55 private static final String[] REPLACE_PROJECTION = new String[] { Sms._ID, 56 Sms.ADDRESS, Sms.PROTOCOL }; 57 private static final int REPLACE_COLUMN_ID = 0; 58 59 /** Default timer to dismiss the dialog. */ 60 private static final long DEFAULT_TIMER = 5 * 60 * 1000; 61 62 /** To remember the exact time when the timer should fire. */ 63 private static final String TIMER_FIRE = "timer_fire"; 64 65 private SmsMessage mMessage = null; 66 67 /** Is the message read. */ 68 private boolean mRead = false; 69 70 /** The timer to dismiss the dialog automatically. */ 71 private long mTimerSet = 0; 72 private AlertDialog mDialog = null; 73 74 private Handler mHandler = new Handler() { 75 @Override 76 public void handleMessage(Message msg) { 77 // Do not handle an invalid message. 78 if (msg.what == ON_AUTO_SAVE) { 79 mRead = false; 80 mDialog.dismiss(); 81 saveMessage(); 82 finish(); 83 } 84 } 85 }; 86 87 private void saveMessage() { 88 Uri messageUri = null; 89 if (mMessage.isReplace()) { 90 messageUri = replaceMessage(mMessage); 91 } else { 92 messageUri = storeMessage(mMessage); 93 } 94 if (!mRead && messageUri != null) { 95 MessagingNotification.nonBlockingUpdateNewMessageIndicator(this, true, false); 96 } 97 } 98 99 @Override 100 protected void onCreate(Bundle icicle) { 101 super.onCreate(icicle); 102 requestWindowFeature(Window.FEATURE_NO_TITLE); 103 getWindow().setBackgroundDrawableResource( 104 R.drawable.class_zero_background); 105 106 byte[] pdu = getIntent().getByteArrayExtra("pdu"); 107 String format = getIntent().getStringExtra("format"); 108 mMessage = SmsMessage.createFromPdu(pdu, format); 109 CharSequence messageChars = mMessage.getMessageBody(); 110 String message = messageChars.toString(); 111 if (TextUtils.isEmpty(message)) { 112 finish(); 113 return; 114 } 115 // TODO: The following line adds an emptry string before and after a message. 116 // This is not the correct way to layout a message. This is more of a hack 117 // to work-around a bug in AlertDialog. This needs to be fixed later when 118 // Android fixes the bug in AlertDialog. 119 if (message.length() < BUFFER_OFFSET) messageChars = BUFFER + message + BUFFER; 120 long now = SystemClock.uptimeMillis(); 121 mDialog = new AlertDialog.Builder(this).setMessage(messageChars) 122 .setPositiveButton(R.string.save, mSaveListener) 123 .setNegativeButton(android.R.string.cancel, mCancelListener) 124 .setCancelable(false).show(); 125 mTimerSet = now + DEFAULT_TIMER; 126 if (icicle != null) { 127 mTimerSet = icicle.getLong(TIMER_FIRE, mTimerSet); 128 } 129 } 130 131 @Override 132 protected void onStart() { 133 super.onStart(); 134 long now = SystemClock.uptimeMillis(); 135 if (mTimerSet <= now) { 136 // Save the message if the timer already expired. 137 mHandler.sendEmptyMessage(ON_AUTO_SAVE); 138 } else { 139 mHandler.sendEmptyMessageAtTime(ON_AUTO_SAVE, mTimerSet); 140 if (false) { 141 Log.d(TAG, "onRestart time = " + Long.toString(mTimerSet) + " " 142 + this.toString()); 143 } 144 } 145 } 146 147 @Override 148 protected void onSaveInstanceState(Bundle outState) { 149 super.onSaveInstanceState(outState); 150 outState.putLong(TIMER_FIRE, mTimerSet); 151 if (false) { 152 Log.d(TAG, "onSaveInstanceState time = " + Long.toString(mTimerSet) 153 + " " + this.toString()); 154 } 155 } 156 157 @Override 158 protected void onStop() { 159 super.onStop(); 160 mHandler.removeMessages(ON_AUTO_SAVE); 161 if (false) { 162 Log.d(TAG, "onStop time = " + Long.toString(mTimerSet) 163 + " " + this.toString()); 164 } 165 } 166 167 private final OnClickListener mCancelListener = new OnClickListener() { 168 public void onClick(DialogInterface dialog, int whichButton) { 169 dialog.dismiss(); 170 finish(); 171 } 172 }; 173 174 private final OnClickListener mSaveListener = new OnClickListener() { 175 public void onClick(DialogInterface dialog, int whichButton) { 176 mRead = true; 177 saveMessage(); 178 dialog.dismiss(); 179 finish(); 180 } 181 }; 182 183 private ContentValues extractContentValues(SmsMessage sms) { 184 // Store the message in the content provider. 185 ContentValues values = new ContentValues(); 186 187 values.put(Inbox.ADDRESS, sms.getDisplayOriginatingAddress()); 188 189 // Use now for the timestamp to avoid confusion with clock 190 // drift between the handset and the SMSC. 191 values.put(Inbox.DATE, new Long(System.currentTimeMillis())); 192 values.put(Inbox.PROTOCOL, sms.getProtocolIdentifier()); 193 values.put(Inbox.READ, Integer.valueOf(mRead ? 1 : 0)); 194 values.put(Inbox.SEEN, Integer.valueOf(mRead ? 1 : 0)); 195 196 if (sms.getPseudoSubject().length() > 0) { 197 values.put(Inbox.SUBJECT, sms.getPseudoSubject()); 198 } 199 values.put(Inbox.REPLY_PATH_PRESENT, sms.isReplyPathPresent() ? 1 : 0); 200 values.put(Inbox.SERVICE_CENTER, sms.getServiceCenterAddress()); 201 return values; 202 } 203 204 private Uri replaceMessage(SmsMessage sms) { 205 ContentValues values = extractContentValues(sms); 206 207 values.put(Inbox.BODY, sms.getMessageBody()); 208 209 ContentResolver resolver = getContentResolver(); 210 String originatingAddress = sms.getOriginatingAddress(); 211 int protocolIdentifier = sms.getProtocolIdentifier(); 212 String selection = Sms.ADDRESS + " = ? AND " + Sms.PROTOCOL + " = ?"; 213 String[] selectionArgs = new String[] { originatingAddress, 214 Integer.toString(protocolIdentifier) }; 215 216 Cursor cursor = SqliteWrapper.query(this, resolver, Inbox.CONTENT_URI, 217 REPLACE_PROJECTION, selection, selectionArgs, null); 218 219 try { 220 if (cursor.moveToFirst()) { 221 long messageId = cursor.getLong(REPLACE_COLUMN_ID); 222 Uri messageUri = ContentUris.withAppendedId( 223 Sms.CONTENT_URI, messageId); 224 225 SqliteWrapper.update(this, resolver, messageUri, values, 226 null, null); 227 return messageUri; 228 } 229 } finally { 230 cursor.close(); 231 } 232 return storeMessage(sms); 233 } 234 235 private Uri storeMessage(SmsMessage sms) { 236 // Store the message in the content provider. 237 ContentValues values = extractContentValues(sms); 238 values.put(Inbox.BODY, sms.getDisplayMessageBody()); 239 ContentResolver resolver = getContentResolver(); 240 if (false) { 241 Log.d(TAG, "storeMessage " + this.toString()); 242 } 243 return SqliteWrapper.insert(this, resolver, Inbox.CONTENT_URI, values); 244 } 245 } 246
