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      1 /**
      2  * Copyright (c) 2012, Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.email.activity;
     18 
     19 import android.app.Activity;
     20 import android.content.ContentUris;
     21 import android.content.Intent;
     22 import android.database.Cursor;
     23 import android.net.Uri;
     24 import android.os.Bundle;
     25 import android.provider.CalendarContract;
     26 
     27 import com.android.emailcommon.mail.MeetingInfo;
     28 import com.android.emailcommon.mail.PackedString;
     29 import com.android.emailcommon.provider.EmailContent.Message;
     30 import com.android.emailcommon.utility.Utility;
     31 
     32 import java.text.ParseException;
     33 
     34 public class EventViewer extends Activity {
     35     @Override
     36     public void onCreate(Bundle savedInstanceState) {
     37         super.onCreate(savedInstanceState);
     38         Uri uri = getIntent().getData();
     39         long messageId = Long.parseLong(uri.getLastPathSegment());
     40         Message msg = Message.restoreMessageWithId(this, messageId);
     41         if (msg == null) {
     42             finish();
     43         } else {
     44             PackedString info = new PackedString(msg.mMeetingInfo);
     45             String uid = info.get(MeetingInfo.MEETING_UID);
     46             long eventId = -1;
     47             if (uid != null) {
     48                 Cursor c = getContentResolver().query(CalendarContract.Events.CONTENT_URI,
     49                         new String[] {CalendarContract.Events._ID},
     50                         CalendarContract.Events.SYNC_DATA2 + "=?",
     51                         new String[] {uid}, null);
     52                 if (c != null) {
     53                     try {
     54                         if (c.getCount() == 1) {
     55                             c.moveToFirst();
     56                             eventId = c.getLong(0);
     57                         }
     58                     } finally {
     59                         c.close();
     60                     }
     61                 }
     62             }
     63             Intent intent = new Intent(Intent.ACTION_VIEW);
     64             if (eventId != -1) {
     65                 uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventId);
     66             } else {
     67                 long time;
     68                 try {
     69                     time = Utility.parseEmailDateTimeToMillis(info.get(MeetingInfo.MEETING_DTSTART));
     70                 } catch (ParseException e) {
     71                     finish();
     72                     return;
     73                 }
     74                 uri = Uri.parse("content://com.android.calendar/time/" + time);
     75                 intent.putExtra("VIEW", "DAY");
     76             }
     77             intent.setData(uri);
     78             intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
     79             startActivity(intent);
     80             finish();
     81         }
     82     }
     83 }
     84