1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.launcher3.keyboard;
18
19import android.graphics.Canvas;
20import android.support.v7.widget.RecyclerView;
21import android.support.v7.widget.RecyclerView.ItemDecoration;
22import android.support.v7.widget.RecyclerView.State;
23import android.view.View;
24import android.view.View.OnFocusChangeListener;
25
26import com.android.launcher3.keyboard.FocusIndicatorHelper.SimpleFocusIndicatorHelper;
27
28/**
29 * {@link ItemDecoration} for drawing and animating focused view background.
30 */
31public class FocusedItemDecorator extends ItemDecoration {
32
33    private FocusIndicatorHelper mHelper;
34
35    public FocusedItemDecorator(View container) {
36        mHelper = new SimpleFocusIndicatorHelper(container);
37    }
38
39    public OnFocusChangeListener getFocusListener() {
40        return mHelper;
41    }
42
43    @Override
44    public void onDraw(Canvas c, RecyclerView parent, State state) {
45        mHelper.draw(c);
46    }
47}
48