Home | History | Annotate | Download | only in ui 
      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