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.database.sqlite.SqliteWrapper;
     29 import android.net.Uri;
     30 import android.os.Bundle;
     31 import android.os.Handler;
     32 import android.os.Message;
     33 import android.os.SystemClock;
     34 import android.provider.Telephony.Sms;
     35 import android.provider.Telephony.Sms.Inbox;
     36 import android.telephony.SmsMessage;
     37 import android.text.TextUtils;
     38 import android.util.Log;
     39 import android.view.Window;
     40 
     41 import com.android.mms.R;
     42 import com.android.mms.transaction.MessagingNotification;
     43 
     44 /**
     45  * Display a class-zero SMS message to the user. Wait for the user to dismiss
     46  * it.
     47  */
     48 public class ClassZeroActivity extends Activity {
     49     private static final String BUFFER = "         ";
     50     private static final int BUFFER_OFFSET = BUFFER.length() * 2;
     51     private static final String TAG = "display_00";
     52     private static final int ON_AUTO_SAVE = 1;
     53     private static final String[] REPLACE_PROJECTION = new String[] { Sms._ID,
     54             Sms.ADDRESS, Sms.PROTOCOL };
     55     private static final int REPLACE_COLUMN_ID = 0;
     56 
     57     /** Default timer to dismiss the dialog. */
     58     private static final long DEFAULT_TIMER = 5 * 60 * 1000;
     59 
     60     /** To remember the exact time when the timer should fire. */
     61     private static final String TIMER_FIRE = "timer_fire";
     62 
     63     private SmsMessage mMessage = null;
     64 
     65     /** Is the message read. */
     66     private boolean mRead = false;
     67 
     68     /** The timer to dismiss the dialog automatically. */
     69     private long mTimerSet = 0;
     70     private AlertDialog mDialog = null;
     71 
     72     private Handler mHandler = new Handler() {
     73         @Override
     74         public void handleMessage(Message msg) {
     75             // Do not handle an invalid message.
     76             if (msg.what == ON_AUTO_SAVE) {
     77                 mRead = false;
     78                 mDialog.dismiss();
     79                 saveMessage();
     80                 finish();
     81             }
     82         }
     83     };
     84 
     85     private void saveMessage() {
     86         Uri messageUri = null;
     87         if (mMessage.isReplace()) {
     88             messageUri = replaceMessage(mMessage);
     89         } else {
     90             messageUri = storeMessage(mMessage);
     91         }
     92         if (!mRead && messageUri != null) {
     93             MessagingNotification.nonBlockingUpdateNewMessageIndicator(
     94                     this,
     95                     MessagingNotification.THREAD_ALL,   // always notify on class-zero msgs
     96                     false);
     97         }
     98     }
     99 
    100     @Override
    101     protected void onCreate(Bundle icicle) {
    102         super.onCreate(icicle);
    103         requestWindowFeature(Window.FEATURE_NO_TITLE);
    104         getWindow().setBackgroundDrawableResource(
    105                 R.drawable.class_zero_background);
    106 
    107         byte[] pdu = getIntent().getByteArrayExtra("pdu");
    108         String format = getIntent().getStringExtra("format");
    109         mMessage = SmsMessage.createFromPdu(pdu, format);
    110         CharSequence messageChars = mMessage.getMessageBody();
    111         String message = messageChars.toString();
    112         if (TextUtils.isEmpty(message)) {
    113             finish();
    114             return;
    115         }
    116         // TODO: The following line adds an emptry string before and after a message.
    117         // This is not the correct way to layout a message. This is more of a hack
    118         // to work-around a bug in AlertDialog. This needs to be fixed later when
    119         // Android fixes the bug in AlertDialog.
    120         if (message.length() < BUFFER_OFFSET) messageChars = BUFFER + message + BUFFER;
    121         long now = SystemClock.uptimeMillis();
    122         mDialog = new AlertDialog.Builder(this).setMessage(messageChars)
    123                 .setPositiveButton(R.string.save, mSaveListener)
    124                 .setNegativeButton(android.R.string.cancel, mCancelListener)
    125                 .setCancelable(false).show();
    126         mTimerSet = now + DEFAULT_TIMER;
    127         if (icicle != null) {
    128             mTimerSet = icicle.getLong(TIMER_FIRE, mTimerSet);
    129         }
    130     }
    131 
    132     @Override
    133     protected void onStart() {
    134         super.onStart();
    135         long now = SystemClock.uptimeMillis();
    136         if (mTimerSet <= now) {
    137             // Save the message if the timer already expired.
    138             mHandler.sendEmptyMessage(ON_AUTO_SAVE);
    139         } else {
    140             mHandler.sendEmptyMessageAtTime(ON_AUTO_SAVE, mTimerSet);
    141             if (false) {
    142                 Log.d(TAG, "onRestart time = " + Long.toString(mTimerSet) + " "
    143                         + this.toString());
    144             }
    145         }
    146     }
    147 
    148     @Override
    149     protected void onSaveInstanceState(Bundle outState) {
    150         super.onSaveInstanceState(outState);
    151         outState.putLong(TIMER_FIRE, mTimerSet);
    152         if (false) {
    153             Log.d(TAG, "onSaveInstanceState time = " + Long.toString(mTimerSet)
    154                     + " " + this.toString());
    155         }
    156     }
    157 
    158     @Override
    159     protected void onStop() {
    160         super.onStop();
    161         mHandler.removeMessages(ON_AUTO_SAVE);
    162         if (false) {
    163             Log.d(TAG, "onStop time = " + Long.toString(mTimerSet)
    164                     + " " + this.toString());
    165         }
    166     }
    167 
    168     private final OnClickListener mCancelListener = new OnClickListener() {
    169         public void onClick(DialogInterface dialog, int whichButton) {
    170             dialog.dismiss();
    171             finish();
    172         }
    173     };
    174 
    175     private final OnClickListener mSaveListener = new OnClickListener() {
    176         public void onClick(DialogInterface dialog, int whichButton) {
    177             mRead = true;
    178             saveMessage();
    179             dialog.dismiss();
    180             finish();
    181         }
    182     };
    183 
    184     private ContentValues extractContentValues(SmsMessage sms) {
    185         // Store the message in the content provider.
    186         ContentValues values = new ContentValues();
    187 
    188         values.put(Inbox.ADDRESS, sms.getDisplayOriginatingAddress());
    189 
    190         // Use now for the timestamp to avoid confusion with clock
    191         // drift between the handset and the SMSC.
    192         values.put(Inbox.DATE, new Long(System.currentTimeMillis()));
    193         values.put(Inbox.PROTOCOL, sms.getProtocolIdentifier());
    194         values.put(Inbox.READ, Integer.valueOf(mRead ? 1 : 0));
    195         values.put(Inbox.SEEN, Integer.valueOf(mRead ? 1 : 0));
    196 
    197         if (sms.getPseudoSubject().length() > 0) {
    198             values.put(Inbox.SUBJECT, sms.getPseudoSubject());
    199         }
    200         values.put(Inbox.REPLY_PATH_PRESENT, sms.isReplyPathPresent() ? 1 : 0);
    201         values.put(Inbox.SERVICE_CENTER, sms.getServiceCenterAddress());
    202         return values;
    203     }
    204 
    205     private Uri replaceMessage(SmsMessage sms) {
    206         ContentValues values = extractContentValues(sms);
    207 
    208         values.put(Inbox.BODY, sms.getMessageBody());
    209 
    210         ContentResolver resolver = getContentResolver();
    211         String originatingAddress = sms.getOriginatingAddress();
    212         int protocolIdentifier = sms.getProtocolIdentifier();
    213         String selection = Sms.ADDRESS + " = ? AND " + Sms.PROTOCOL + " = ?";
    214         String[] selectionArgs = new String[] { originatingAddress,
    215                 Integer.toString(protocolIdentifier) };
    216 
    217         Cursor cursor = SqliteWrapper.query(this, resolver, Inbox.CONTENT_URI,
    218                 REPLACE_PROJECTION, selection, selectionArgs, null);
    219 
    220         try {
    221             if (cursor.moveToFirst()) {
    222                 long messageId = cursor.getLong(REPLACE_COLUMN_ID);
    223                 Uri messageUri = ContentUris.withAppendedId(
    224                         Sms.CONTENT_URI, messageId);
    225 
    226                 SqliteWrapper.update(this, resolver, messageUri, values,
    227                         null, null);
    228                 return messageUri;
    229             }
    230         } finally {
    231             cursor.close();
    232         }
    233         return storeMessage(sms);
    234     }
    235 
    236     private Uri storeMessage(SmsMessage sms) {
    237         // Store the message in the content provider.
    238         ContentValues values = extractContentValues(sms);
    239         values.put(Inbox.BODY, sms.getDisplayMessageBody());
    240         ContentResolver resolver = getContentResolver();
    241         if (false) {
    242             Log.d(TAG, "storeMessage " + this.toString());
    243         }
    244         return SqliteWrapper.insert(this, resolver, Inbox.CONTENT_URI, values);
    245     }
    246 }
    247