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 CallDetailActivityQueryHandler(CallDetailActivity callDetailActivity)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 */ startVoicemailStatusQuery(Uri voicemailUri)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 onNotNullableQueryComplete(int token, Object cookie, Cursor cursor)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. */ moveToFirst(Cursor cursor)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 hasNoAudio(Cursor voicemailCursor)98 private boolean hasNoAudio(Cursor voicemailCursor) { 99 return voicemailCursor.getInt(HAS_CONTENT_COLUMN_INDEX) == 0; 100 } 101 getSourcePackage(Cursor voicemailCursor)102 private String getSourcePackage(Cursor voicemailCursor) { 103 return voicemailCursor.getString(SOURCE_PACKAGE_COLUMN_INDEX); 104 } 105 } 106