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      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 com.android.mms.R;
     21 import android.database.sqlite.SqliteWrapper;
     22 import com.android.mms.transaction.MessagingNotification;
     23 
     24 import android.app.ActionBar;
     25 import android.app.Activity;
     26 import android.app.AlertDialog;
     27 
     28 import android.content.AsyncQueryHandler;
     29 import android.content.ContentResolver;
     30 import android.content.DialogInterface;
     31 import android.content.Intent;
     32 import android.content.DialogInterface.OnClickListener;
     33 import android.database.ContentObserver;
     34 import android.database.Cursor;
     35 import android.database.sqlite.SQLiteException;
     36 import android.net.Uri;
     37 import android.os.Bundle;
     38 import android.os.Handler;
     39 import android.provider.Telephony.Sms;
     40 import android.telephony.SmsManager;
     41 import android.util.Log;
     42 import android.view.ContextMenu;
     43 import android.view.Menu;
     44 import android.view.MenuItem;
     45 import android.view.View;
     46 import android.view.Window;
     47 import android.widget.AdapterView;
     48 import android.widget.ListView;
     49 import android.widget.TextView;
     50 
     51 /**
     52  * Displays a list of the SMS messages stored on the ICC.
     53  */
     54 public class ManageSimMessages extends Activity
     55         implements View.OnCreateContextMenuListener {
     56     private static final Uri ICC_URI = Uri.parse("content://sms/icc");
     57     private static final String TAG = "ManageSimMessages";
     58     private static final int MENU_COPY_TO_PHONE_MEMORY = 0;
     59     private static final int MENU_DELETE_FROM_SIM = 1;
     60     private static final int MENU_VIEW = 2;
     61     private static final int OPTION_MENU_DELETE_ALL = 0;
     62 
     63     private static final int SHOW_LIST = 0;
     64     private static final int SHOW_EMPTY = 1;
     65     private static final int SHOW_BUSY = 2;
     66     private int mState;
     67 
     68 
     69     private ContentResolver mContentResolver;
     70     private Cursor mCursor = null;
     71     private ListView mSimList;
     72     private TextView mMessage;
     73     private MessageListAdapter mListAdapter = null;
     74     private AsyncQueryHandler mQueryHandler = null;
     75 
     76     public static final int SIM_FULL_NOTIFICATION_ID = 234;
     77 
     78     private final ContentObserver simChangeObserver =
     79             new ContentObserver(new Handler()) {
     80         @Override
     81         public void onChange(boolean selfUpdate) {
     82             refreshMessageList();
     83         }
     84     };
     85 
     86     @Override
     87     protected void onCreate(Bundle icicle) {
     88         super.onCreate(icicle);
     89         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
     90 
     91         mContentResolver = getContentResolver();
     92         mQueryHandler = new QueryHandler(mContentResolver, this);
     93         setContentView(R.layout.sim_list);
     94         mSimList = (ListView) findViewById(R.id.messages);
     95         mMessage = (TextView) findViewById(R.id.empty_message);
     96 
     97         ActionBar actionBar = getActionBar();
     98         actionBar.setDisplayHomeAsUpEnabled(true);
     99 
    100         init();
    101     }
    102 
    103     @Override
    104     protected void onNewIntent(Intent intent) {
    105         setIntent(intent);
    106 
    107         init();
    108     }
    109 
    110     private void init() {
    111         MessagingNotification.cancelNotification(getApplicationContext(),
    112                 SIM_FULL_NOTIFICATION_ID);
    113 
    114         updateState(SHOW_BUSY);
    115         startQuery();
    116     }
    117 
    118     private class QueryHandler extends AsyncQueryHandler {
    119         private final ManageSimMessages mParent;
    120 
    121         public QueryHandler(
    122                 ContentResolver contentResolver, ManageSimMessages parent) {
    123             super(contentResolver);
    124             mParent = parent;
    125         }
    126 
    127         @Override
    128         protected void onQueryComplete(
    129                 int token, Object cookie, Cursor cursor) {
    130             mCursor = cursor;
    131             if (mCursor != null) {
    132                 if (!mCursor.moveToFirst()) {
    133                     // Let user know the SIM is empty
    134                     updateState(SHOW_EMPTY);
    135                 } else if (mListAdapter == null) {
    136                     // Note that the MessageListAdapter doesn't support auto-requeries. If we
    137                     // want to respond to changes we'd need to add a line like:
    138                     //   mListAdapter.setOnDataSetChangedListener(mDataSetChangedListener);
    139                     // See ComposeMessageActivity for an example.
    140                     mListAdapter = new MessageListAdapter(
    141                             mParent, mCursor, mSimList, false, null);
    142                     mSimList.setAdapter(mListAdapter);
    143                     mSimList.setOnCreateContextMenuListener(mParent);
    144                     updateState(SHOW_LIST);
    145                 } else {
    146                     mListAdapter.changeCursor(mCursor);
    147                     updateState(SHOW_LIST);
    148                 }
    149                 startManagingCursor(mCursor);
    150             } else {
    151                 // Let user know the SIM is empty
    152                 updateState(SHOW_EMPTY);
    153             }
    154         }
    155     }
    156 
    157     private void startQuery() {
    158         try {
    159             mQueryHandler.startQuery(0, null, ICC_URI, null, null, null, null);
    160         } catch (SQLiteException e) {
    161             SqliteWrapper.checkSQLiteException(this, e);
    162         }
    163     }
    164 
    165     private void refreshMessageList() {
    166         updateState(SHOW_BUSY);
    167         if (mCursor != null) {
    168             stopManagingCursor(mCursor);
    169             mCursor.close();
    170         }
    171         startQuery();
    172     }
    173 
    174     @Override
    175     public void onCreateContextMenu(
    176             ContextMenu menu, View v,
    177             ContextMenu.ContextMenuInfo menuInfo) {
    178         menu.add(0, MENU_COPY_TO_PHONE_MEMORY, 0,
    179                  R.string.sim_copy_to_phone_memory);
    180         menu.add(0, MENU_DELETE_FROM_SIM, 0, R.string.sim_delete);
    181 
    182         // TODO: Enable this once viewMessage is written.
    183         // menu.add(0, MENU_VIEW, 0, R.string.sim_view);
    184     }
    185 
    186     @Override
    187     public boolean onContextItemSelected(MenuItem item) {
    188         AdapterView.AdapterContextMenuInfo info;
    189         try {
    190              info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
    191         } catch (ClassCastException exception) {
    192             Log.e(TAG, "Bad menuInfo.", exception);
    193             return false;
    194         }
    195 
    196         final Cursor cursor = (Cursor) mListAdapter.getItem(info.position);
    197 
    198         switch (item.getItemId()) {
    199             case MENU_COPY_TO_PHONE_MEMORY:
    200                 copyToPhoneMemory(cursor);
    201                 return true;
    202             case MENU_DELETE_FROM_SIM:
    203                 confirmDeleteDialog(new OnClickListener() {
    204                     public void onClick(DialogInterface dialog, int which) {
    205                         updateState(SHOW_BUSY);
    206                         deleteFromSim(cursor);
    207                         dialog.dismiss();
    208                     }
    209                 }, R.string.confirm_delete_SIM_message);
    210                 return true;
    211             case MENU_VIEW:
    212                 viewMessage(cursor);
    213                 return true;
    214         }
    215         return super.onContextItemSelected(item);
    216     }
    217 
    218     @Override
    219     public void onResume() {
    220         super.onResume();
    221         registerSimChangeObserver();
    222     }
    223 
    224     @Override
    225     public void onPause() {
    226         super.onPause();
    227         mContentResolver.unregisterContentObserver(simChangeObserver);
    228     }
    229 
    230     private void registerSimChangeObserver() {
    231         mContentResolver.registerContentObserver(
    232                 ICC_URI, true, simChangeObserver);
    233     }
    234 
    235     private void copyToPhoneMemory(Cursor cursor) {
    236         String address = cursor.getString(
    237                 cursor.getColumnIndexOrThrow("address"));
    238         String body = cursor.getString(cursor.getColumnIndexOrThrow("body"));
    239         Long date = cursor.getLong(cursor.getColumnIndexOrThrow("date"));
    240 
    241         try {
    242             if (isIncomingMessage(cursor)) {
    243                 Sms.Inbox.addMessage(mContentResolver, address, body, null, date, true /* read */);
    244             } else {
    245                 Sms.Sent.addMessage(mContentResolver, address, body, null, date);
    246             }
    247         } catch (SQLiteException e) {
    248             SqliteWrapper.checkSQLiteException(this, e);
    249         }
    250     }
    251 
    252     private boolean isIncomingMessage(Cursor cursor) {
    253         int messageStatus = cursor.getInt(
    254                 cursor.getColumnIndexOrThrow("status"));
    255 
    256         return (messageStatus == SmsManager.STATUS_ON_ICC_READ) ||
    257                (messageStatus == SmsManager.STATUS_ON_ICC_UNREAD);
    258     }
    259 
    260     private void deleteFromSim(Cursor cursor) {
    261         String messageIndexString =
    262                 cursor.getString(cursor.getColumnIndexOrThrow("index_on_icc"));
    263         Uri simUri = ICC_URI.buildUpon().appendPath(messageIndexString).build();
    264 
    265         SqliteWrapper.delete(this, mContentResolver, simUri, null, null);
    266     }
    267 
    268     private void deleteAllFromSim() {
    269         Cursor cursor = (Cursor) mListAdapter.getCursor();
    270 
    271         if (cursor != null) {
    272             if (cursor.moveToFirst()) {
    273                 int count = cursor.getCount();
    274 
    275                 for (int i = 0; i < count; ++i) {
    276                     deleteFromSim(cursor);
    277                     cursor.moveToNext();
    278                 }
    279             }
    280         }
    281     }
    282 
    283     @Override
    284     public boolean onPrepareOptionsMenu(Menu menu) {
    285         menu.clear();
    286 
    287         if ((null != mCursor) && (mCursor.getCount() > 0) && mState == SHOW_LIST) {
    288             menu.add(0, OPTION_MENU_DELETE_ALL, 0, R.string.menu_delete_messages).setIcon(
    289                     android.R.drawable.ic_menu_delete);
    290         }
    291 
    292         return true;
    293     }
    294 
    295     @Override
    296     public boolean onOptionsItemSelected(MenuItem item) {
    297         switch (item.getItemId()) {
    298             case OPTION_MENU_DELETE_ALL:
    299                 confirmDeleteDialog(new OnClickListener() {
    300                     public void onClick(DialogInterface dialog, int which) {
    301                         updateState(SHOW_BUSY);
    302                         deleteAllFromSim();
    303                         dialog.dismiss();
    304                     }
    305                 }, R.string.confirm_delete_all_SIM_messages);
    306                 break;
    307 
    308             case android.R.id.home:
    309                 // The user clicked on the Messaging icon in the action bar. Take them back from
    310                 // wherever they came from
    311                 finish();
    312                 break;
    313         }
    314 
    315         return true;
    316     }
    317 
    318     private void confirmDeleteDialog(OnClickListener listener, int messageId) {
    319         AlertDialog.Builder builder = new AlertDialog.Builder(this);
    320         builder.setTitle(R.string.confirm_dialog_title);
    321         builder.setIcon(android.R.drawable.ic_dialog_alert);
    322         builder.setCancelable(true);
    323         builder.setPositiveButton(R.string.yes, listener);
    324         builder.setNegativeButton(R.string.no, null);
    325         builder.setMessage(messageId);
    326 
    327         builder.show();
    328     }
    329 
    330     private void updateState(int state) {
    331         if (mState == state) {
    332             return;
    333         }
    334 
    335         mState = state;
    336         switch (state) {
    337             case SHOW_LIST:
    338                 mSimList.setVisibility(View.VISIBLE);
    339                 mMessage.setVisibility(View.GONE);
    340                 setTitle(getString(R.string.sim_manage_messages_title));
    341                 setProgressBarIndeterminateVisibility(false);
    342                 mSimList.requestFocus();
    343                 break;
    344             case SHOW_EMPTY:
    345                 mSimList.setVisibility(View.GONE);
    346                 mMessage.setVisibility(View.VISIBLE);
    347                 setTitle(getString(R.string.sim_manage_messages_title));
    348                 setProgressBarIndeterminateVisibility(false);
    349                 break;
    350             case SHOW_BUSY:
    351                 mSimList.setVisibility(View.GONE);
    352                 mMessage.setVisibility(View.GONE);
    353                 setTitle(getString(R.string.refreshing));
    354                 setProgressBarIndeterminateVisibility(true);
    355                 break;
    356             default:
    357                 Log.e(TAG, "Invalid State");
    358         }
    359     }
    360 
    361     private void viewMessage(Cursor cursor) {
    362         // TODO: Add this.
    363     }
    364 }
    365 
    366