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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.database.Cursor;
import android.database.MatrixCursor;
import android.database.MergeCursor;
import android.support.annotation.Nullable;
import com.android.dialer.searchfragment.common.SearchCursor;
/** {@link SearchCursor} implementation for displaying on nearby places. */
final class NearbyPlacesCursor extends MergeCursor implements SearchCursor {
private final Cursor nearbyPlacesCursor;
private final long directoryId;
/**
* @param directoryId unique directory id that doesn't collide with other remote/local
* directories. directoryIds are needed to load the correct quick contact card.
*/
static NearbyPlacesCursor newInstance(
Context context, Cursor nearbyPlacesCursor, long directoryId) {
MatrixCursor headerCursor = new MatrixCursor(HEADER_PROJECTION);
headerCursor.addRow(new String[] {context.getString(R.string.nearby_places)});
return new NearbyPlacesCursor(new Cursor[] {headerCursor, nearbyPlacesCursor}, directoryId);
}
private NearbyPlacesCursor(Cursor[] cursors, long directoryId) {
super(cursors);
nearbyPlacesCursor = cursors[1];
this.directoryId = directoryId;
}
@Override
public boolean isHeader() {
return isFirst();
}
@Override
public boolean updateQuery(@Nullable String query) {
// When the query changes, a new network request is made for nearby places. Meaning this cursor
// will be closed and another created, so return false.
return false;
}
@Override
public int getCount() {
// If we don't have any contents, we don't want to show the header
if (nearbyPlacesCursor == null || nearbyPlacesCursor.isClosed()) {
return 0;
}
int count = nearbyPlacesCursor.getCount();
return count == 0 ? 0 : count + 1;
}
@Override
public long getDirectoryId() {
return directoryId;
}
}
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