1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
12 * the License.
13 */
14package android.support.v17.leanback.widget;
15
16/**
17 * A {@link PresenterSelector} that always returns the same {@link Presenter}.
18 * Useful for rows of items of the same type that are all rendered the same way.
19 */
20public final class SinglePresenterSelector extends PresenterSelector {
21
22    private final Presenter mPresenter;
23
24    /**
25     * @param presenter The Presenter to return for every item.
26     */
27    public SinglePresenterSelector(Presenter presenter) {
28        mPresenter = presenter;
29    }
30
31    @Override
32    public Presenter getPresenter(Object item) {
33        return mPresenter;
34    }
35
36    @Override
37    public Presenter[] getPresenters() {
38        return new Presenter[]{mPresenter};
39    }
40}
41