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 17 package com.android.launcher3.keyboard; 18 19 import android.graphics.Canvas; 20 import android.graphics.Rect; 21 import android.support.v7.widget.RecyclerView; 22 import android.support.v7.widget.RecyclerView.ItemDecoration; 23 import android.support.v7.widget.RecyclerView.State; 24 import android.view.View; 25 import android.view.View.OnFocusChangeListener; 26 27 /** 28 * {@link ItemDecoration} for drawing and animating focused view background. 29 */ 30 public class FocusedItemDecorator extends ItemDecoration { 31 32 private FocusIndicatorHelper mHelper; 33 34 public FocusedItemDecorator(View container) { 35 mHelper = new FocusIndicatorHelper(container) { 36 37 @Override 38 public void viewToRect(View v, Rect outRect) { 39 outRect.set(v.getLeft(), v.getTop(), v.getRight(), v.getBottom()); 40 } 41 }; 42 } 43 44 public OnFocusChangeListener getFocusListener() { 45 return mHelper; 46 } 47 48 @Override 49 public void onDraw(Canvas c, RecyclerView parent, State state) { 50 mHelper.draw(c); 51 } 52 } 53
