Home | History | Annotate | Download | only in dialer 
      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      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.dialer;
     18 
     19 import android.database.Cursor;
     20 import android.net.Uri;
     21 import android.provider.VoicemailContract.Status;
     22 import android.provider.VoicemailContract.Voicemails;
     23 import android.util.Log;
     24 
     25 import com.android.common.io.MoreCloseables;
     26 import com.android.contacts.common.database.NoNullCursorAsyncQueryHandler;
     27 import com.android.dialer.voicemail.VoicemailStatusHelperImpl;
     28 
     29 /**
     30  * Class used by {@link CallDetailActivity} to fire async content resolver queries.
     31  */
     32 public class CallDetailActivityQueryHandler extends NoNullCursorAsyncQueryHandler {
     33     private static final String TAG = "CallDetail";
     34     private static final int QUERY_VOICEMAIL_CONTENT_TOKEN = 101;
     35     private static final int QUERY_VOICEMAIL_STATUS_TOKEN = 102;
     36 
     37     private final String[] VOICEMAIL_CONTENT_PROJECTION = new String[] {
     38         Voicemails.SOURCE_PACKAGE,
     39         Voicemails.HAS_CONTENT
     40     };
     41     private static final int SOURCE_PACKAGE_COLUMN_INDEX = 0;
     42     private static final int HAS_CONTENT_COLUMN_INDEX = 1;
     43 
     44     private final CallDetailActivity mCallDetailActivity;
     45 
     46     public CallDetailActivityQueryHandler(CallDetailActivity callDetailActivity) {
     47         super(callDetailActivity.getContentResolver());
     48         mCallDetailActivity = callDetailActivity;
     49     }
     50 
     51     /**
     52      * Fires a query to update voicemail status for the given voicemail record. On completion of the
     53      * query a call to {@link CallDetailActivity#updateVoicemailStatusMessage(Cursor)} is made.
     54      * <p>
     55      * if this is a voicemail record then it makes up to two asynchronous content resolver queries.
     56      * The first one to fetch voicemail content details and check if the voicemail record has audio.
     57      * If the voicemail record does not have an audio yet then it fires the second query to get the
     58      * voicemail status of the associated source.
     59      */
     60     public void startVoicemailStatusQuery(Uri voicemailUri) {
     61         startQuery(QUERY_VOICEMAIL_CONTENT_TOKEN, null, voicemailUri, VOICEMAIL_CONTENT_PROJECTION,
     62                 null, null, null);
     63     }
     64 
     65     @Override
     66     protected synchronized void onNotNullableQueryComplete(int token, Object cookie,
     67             Cursor cursor) {
     68         try {
     69             if (token == QUERY_VOICEMAIL_CONTENT_TOKEN) {
     70                 // Query voicemail status only if this voicemail record does not have audio.
     71                 if (moveToFirst(cursor) && hasNoAudio(cursor)) {
     72                     startQuery(QUERY_VOICEMAIL_STATUS_TOKEN, null,
     73                             Status.buildSourceUri(getSourcePackage(cursor)),
     74                             VoicemailStatusHelperImpl.PROJECTION, null, null, null);
     75                 } else {
     76                     // nothing to show in status
     77                     mCallDetailActivity.updateVoicemailStatusMessage(null);
     78                 }
     79             } else if (token == QUERY_VOICEMAIL_STATUS_TOKEN) {
     80                 mCallDetailActivity.updateVoicemailStatusMessage(cursor);
     81             } else {
     82                 Log.w(TAG, "Unknown query completed: ignoring: " + token);
     83             }
     84         } finally {
     85             MoreCloseables.closeQuietly(cursor);
     86         }
     87     }
     88 
     89     /** Check that the cursor is non-null and can be moved to first. */
     90     private boolean moveToFirst(Cursor cursor) {
     91         if (cursor == null || !cursor.moveToFirst()) {
     92             Log.e(TAG, "Cursor not valid, could not move to first");
     93             return false;
     94         }
     95         return true;
     96     }
     97 
     98     private boolean hasNoAudio(Cursor voicemailCursor) {
     99         return voicemailCursor.getInt(HAS_CONTENT_COLUMN_INDEX) == 0;
    100     }
    101 
    102     private String getSourcePackage(Cursor voicemailCursor) {
    103         return voicemailCursor.getString(SOURCE_PACKAGE_COLUMN_INDEX);
    104     }
    105 }
    106