| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.dialer.searchfragment.nearbyplaces; |
| |
| import android.content.Context; |
| import android.content.CursorLoader; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.provider.ContactsContract; |
| import android.support.annotation.NonNull; |
| import com.android.contacts.common.extensions.PhoneDirectoryExtenderAccessor; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.searchfragment.common.Projections; |
| import java.util.List; |
| |
| /** Cursor loader for nearby places search results. */ |
| public final class NearbyPlacesCursorLoader extends CursorLoader { |
| |
| private static final String MAX_RESULTS = "3"; |
| private static final long INVALID_DIRECTORY_ID = Long.MAX_VALUE; |
| private final long directoryId; |
| |
| /** |
| * @param directoryIds List of directoryIds associated with all directories on device. Required in |
| * order to find a directory ID for the nearby places cursor that doesn't collide with |
| * existing directories. |
| */ |
| public NearbyPlacesCursorLoader(Context context, String query, @NonNull List<Long> directoryIds) { |
| super(context, getContentUri(context, query), Projections.DATA_PROJECTION, null, null, null); |
| this.directoryId = getDirectoryId(directoryIds); |
| } |
| |
| @Override |
| public Cursor loadInBackground() { |
| if (directoryId == INVALID_DIRECTORY_ID) { |
| LogUtil.i("NearbyPlacesCursorLoader.loadInBackground", "directory id not set."); |
| return null; |
| } |
| return NearbyPlacesCursor.newInstance(getContext(), super.loadInBackground(), directoryId); |
| } |
| |
| private static Uri getContentUri(Context context, String query) { |
| return PhoneDirectoryExtenderAccessor.get(context) |
| .getContentUri() |
| .buildUpon() |
| .appendPath(query) |
| .appendQueryParameter(ContactsContract.LIMIT_PARAM_KEY, MAX_RESULTS) |
| .build(); |
| } |
| |
| private static long getDirectoryId(List<Long> directoryIds) { |
| if (directoryIds.isEmpty()) { |
| return INVALID_DIRECTORY_ID; |
| } |
| |
| // The Directory.LOCAL_INVISIBLE might not be a directory we use, but we can't reuse it's |
| // "special" ID. |
| long maxId = ContactsContract.Directory.LOCAL_INVISIBLE; |
| for (int i = 0, n = directoryIds.size(); i < n; i++) { |
| long id = directoryIds.get(i); |
| if (id > maxId) { |
| maxId = id; |
| } |
| } |
| // Add one so that the nearby places ID doesn't collide with extended directory IDs. |
| return maxId + 1; |
| } |
| } |