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/*
* 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;
}
}
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