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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.remote;
import android.content.Context;
import android.content.CursorLoader;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.support.annotation.VisibleForTesting;
import android.text.TextUtils;
import com.android.dialer.searchfragment.common.Projections;
import com.android.dialer.searchfragment.remote.RemoteDirectoriesCursorLoader.Directory;
import java.util.ArrayList;
import java.util.List;
/**
* Cursor loader to load extended contacts on device.
*
* <p>This loader performs several database queries in serial and merges the resulting cursors
* together into {@link RemoteContactsCursor}. If there are no results, the loader will return a
* null cursor.
*/
public final class RemoteContactsCursorLoader extends CursorLoader {
private static final Uri ENTERPRISE_CONTENT_FILTER_URI =
Uri.withAppendedPath(Phone.CONTENT_URI, "filter_enterprise");
private static final String IGNORE_NUMBER_TOO_LONG_CLAUSE = "length(" + Phone.NUMBER + ") < 1000";
private static final String PHONE_NUMBER_NOT_NULL = Phone.NUMBER + " IS NOT NULL";
private static final String MAX_RESULTS = "10";
private final String query;
private final List<Directory> directories;
private final Cursor[] cursors;
public RemoteContactsCursorLoader(Context context, String query, List<Directory> directories) {
super(
context,
null,
Projections.DATA_PROJECTION,
IGNORE_NUMBER_TOO_LONG_CLAUSE + " AND " + PHONE_NUMBER_NOT_NULL,
null,
Phone.SORT_KEY_PRIMARY);
this.query = query;
this.directories = new ArrayList<>(directories);
cursors = new Cursor[directories.size()];
}
@Override
public Cursor loadInBackground() {
for (int i = 0; i < directories.size(); i++) {
Directory directory = directories.get(i);
// Since the on device contacts could be queried as remote directories and we already query
// them in SearchContactsCursorLoader, avoid querying them again.
// TODO(calderwoodra): It's a happy coincidence that on device contacts don't have directory
// names set, leaving this todo to investigate a better way to isolate them from other remote
// directories.
if (TextUtils.isEmpty(directory.getDisplayName())) {
cursors[i] = null;
continue;
}
cursors[i] =
getContext()
.getContentResolver()
.query(
getContentFilterUri(query, directory.getId()),
getProjection(),
getSelection(),
getSelectionArgs(),
getSortOrder());
}
return RemoteContactsCursor.newInstance(getContext(), cursors, directories);
}
@VisibleForTesting
static Uri getContentFilterUri(String query, int directoryId) {
Uri baseUri =
VERSION.SDK_INT >= VERSION_CODES.N
? ENTERPRISE_CONTENT_FILTER_URI
: Phone.CONTENT_FILTER_URI;
return baseUri
.buildUpon()
.appendPath(query)
.appendQueryParameter(ContactsContract.DIRECTORY_PARAM_KEY, String.valueOf(directoryId))
.appendQueryParameter(ContactsContract.REMOVE_DUPLICATE_ENTRIES, "true")
.appendQueryParameter(ContactsContract.LIMIT_PARAM_KEY, MAX_RESULTS)
.build();
}
}
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