Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 | package com.android.contacts.interactions; |
| 17 | |
| 18 | import android.content.AsyncTaskLoader; |
| 19 | import android.content.ContentValues; |
| 20 | import android.content.Context; |
| 21 | import android.content.pm.PackageManager; |
| 22 | import android.database.Cursor; |
| 23 | import android.database.DatabaseUtils; |
| 24 | import android.provider.Telephony; |
| 25 | import android.util.Log; |
| 26 | |
Wenyi Wang | 0471972 | 2015-11-30 13:56:47 -0800 | [diff] [blame] | 27 | import com.android.contacts.common.compat.TelephonyThreadsCompat; |
| 28 | |
Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 29 | import java.util.ArrayList; |
| 30 | import java.util.Collections; |
| 31 | import java.util.List; |
| 32 | |
| 33 | /** |
| 34 | * Loads the most recent sms between the passed in phone numbers. |
| 35 | * |
| 36 | * This is a two part process. The first step is retrieving the threadIds for each of the phone |
| 37 | * numbers using fuzzy matching. The next step is to run another query against these threadIds |
| 38 | * to retrieve the actual sms. |
| 39 | */ |
| 40 | public class SmsInteractionsLoader extends AsyncTaskLoader<List<ContactInteraction>> { |
| 41 | |
| 42 | private static final String TAG = SmsInteractionsLoader.class.getSimpleName(); |
| 43 | |
| 44 | private String[] mPhoneNums; |
| 45 | private int mMaxToRetrieve; |
| 46 | private List<ContactInteraction> mData; |
| 47 | |
| 48 | /** |
| 49 | * Loads a list of SmsInteraction from the supplied phone numbers. |
| 50 | */ |
| 51 | public SmsInteractionsLoader(Context context, String[] phoneNums, |
| 52 | int maxToRetrieve) { |
| 53 | super(context); |
| 54 | Log.v(TAG, "SmsInteractionsLoader"); |
| 55 | mPhoneNums = phoneNums; |
| 56 | mMaxToRetrieve = maxToRetrieve; |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public List<ContactInteraction> loadInBackground() { |
| 61 | Log.v(TAG, "loadInBackground"); |
| 62 | // Confirm the device has Telephony and numbers were provided before proceeding |
| 63 | if (!getContext().getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY) |
| 64 | || mPhoneNums == null || mPhoneNums.length == 0) { |
| 65 | return Collections.emptyList(); |
| 66 | } |
| 67 | |
| 68 | // Retrieve the thread IDs |
| 69 | List<String> threadIdStrings = new ArrayList<>(); |
| 70 | for (String phone : mPhoneNums) { |
Walter Jang | 8a3fe52 | 2014-10-16 11:12:13 -0700 | [diff] [blame] | 71 | // TODO: the phone numbers added to the ContactInteraction result should retain their |
| 72 | // original formatting since TalkBack is not reading the normalized numbers correctly |
Brian Attwell | ae6c717 | 2014-09-25 11:20:49 -0700 | [diff] [blame] | 73 | try { |
| 74 | threadIdStrings.add(String.valueOf( |
Wenyi Wang | 0471972 | 2015-11-30 13:56:47 -0800 | [diff] [blame] | 75 | TelephonyThreadsCompat.getOrCreateThreadId(getContext(), phone))); |
Brian Attwell | ae6c717 | 2014-09-25 11:20:49 -0700 | [diff] [blame] | 76 | } catch (Exception e) { |
| 77 | // Do nothing. Telephony.Threads.getOrCreateThreadId() throws exceptions when |
| 78 | // it can't find/create a threadId (b/17657656). |
| 79 | } |
Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | // Query the SMS database for the threads |
| 83 | Cursor cursor = getSmsCursorFromThreads(threadIdStrings); |
Paul Soulos | 899aa21 | 2014-06-11 12:04:43 -0700 | [diff] [blame] | 84 | if (cursor != null) { |
| 85 | try { |
| 86 | List<ContactInteraction> interactions = new ArrayList<>(); |
| 87 | while (cursor.moveToNext()) { |
| 88 | ContentValues values = new ContentValues(); |
| 89 | DatabaseUtils.cursorRowToContentValues(cursor, values); |
| 90 | interactions.add(new SmsInteraction(values)); |
| 91 | } |
Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 92 | |
Paul Soulos | 899aa21 | 2014-06-11 12:04:43 -0700 | [diff] [blame] | 93 | return interactions; |
| 94 | } finally { |
| 95 | cursor.close(); |
| 96 | } |
Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 97 | } |
| 98 | |
Paul Soulos | 899aa21 | 2014-06-11 12:04:43 -0700 | [diff] [blame] | 99 | return Collections.emptyList(); |
Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Return the most recent messages between a list of threads |
| 104 | */ |
| 105 | private Cursor getSmsCursorFromThreads(List<String> threadIds) { |
Brian Attwell | ae6c717 | 2014-09-25 11:20:49 -0700 | [diff] [blame] | 106 | if (threadIds.size() == 0) { |
| 107 | return null; |
| 108 | } |
Paul Soulos | b3054e5 | 2014-06-05 16:46:02 -0700 | [diff] [blame] | 109 | String selection = Telephony.Sms.THREAD_ID + " IN " |
| 110 | + ContactInteractionUtil.questionMarks(threadIds.size()); |
| 111 | |
| 112 | return getContext().getContentResolver().query( |
| 113 | Telephony.Sms.CONTENT_URI, |
| 114 | /* projection = */ null, |
| 115 | selection, |
| 116 | threadIds.toArray(new String[threadIds.size()]), |
| 117 | Telephony.Sms.DEFAULT_SORT_ORDER |
| 118 | + " LIMIT " + mMaxToRetrieve); |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | protected void onStartLoading() { |
| 123 | super.onStartLoading(); |
| 124 | |
| 125 | if (mData != null) { |
| 126 | deliverResult(mData); |
| 127 | } |
| 128 | |
| 129 | if (takeContentChanged() || mData == null) { |
| 130 | forceLoad(); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | protected void onStopLoading() { |
| 136 | // Attempt to cancel the current load task if possible. |
| 137 | cancelLoad(); |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public void deliverResult(List<ContactInteraction> data) { |
| 142 | mData = data; |
| 143 | if (isStarted()) { |
| 144 | super.deliverResult(data); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | protected void onReset() { |
| 150 | super.onReset(); |
| 151 | |
| 152 | // Ensure the loader is stopped |
| 153 | onStopLoading(); |
| 154 | if (mData != null) { |
| 155 | mData.clear(); |
| 156 | } |
| 157 | } |
| 158 | } |