/*
* Copyright (C) 2015 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.documentsui;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.LinearLayout;
/**
* Layout for a single item in List mode. This class overrides the default focus listener in order
* to light up a focus indicator when it is focused.
*/
public class ListItem extends LinearLayout
{
public ListItem(Context context) {
super(context);
}
public ListItem(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) {
TypedValue color = new TypedValue();
int colorId = gainFocus ? android.R.attr.colorAccent : android.R.color.transparent;
getContext().getTheme().resolveAttribute(colorId, color, true);
findViewById(R.id.focus_indicator).setBackgroundColor(color.data);
super.onFocusChanged(gainFocus, direction, previouslyFocusedRect);
}
}