1/*
2 * Copyright (C) 2017 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.car.settings.common;
18
19import android.support.v7.widget.RecyclerView;
20import android.text.TextUtils;
21import android.view.LayoutInflater;
22import android.view.View;
23import android.view.ViewGroup;
24import android.widget.CheckBox;
25import android.widget.Switch;
26import android.widget.TextView;
27
28import com.android.car.settings.R;
29
30/**
31 * Contains logic for a line item represents title text and a checkbox.
32 */
33public abstract class CheckBoxLineItem
34        extends TypedPagedListAdapter.LineItem<CheckBoxLineItem.CheckboxLineItemViewHolder> {
35    private final CharSequence mTitle;
36
37    private View.OnClickListener mOnClickListener = (v) -> {
38            CheckBox checkBox = v.findViewById(R.id.checkbox);
39            CheckBoxLineItem.this.onClick(checkBox.isChecked());
40        };
41
42    public CheckBoxLineItem(CharSequence title) {
43        mTitle = title;
44    }
45
46    public int getType() {
47        return CHECKBOX_TYPE;
48    }
49
50    public void bindViewHolder(CheckboxLineItemViewHolder viewHolder) {
51        viewHolder.titleView.setText(mTitle);
52        viewHolder.checkbox.setChecked(isChecked());
53        viewHolder.itemView.setOnClickListener(mOnClickListener);
54    }
55
56    public static class CheckboxLineItemViewHolder extends RecyclerView.ViewHolder {
57        final TextView titleView;
58        public final CheckBox checkbox;
59
60        public CheckboxLineItemViewHolder(View view) {
61            super(view);
62            titleView = view.findViewById(R.id.title);
63            checkbox = view.findViewById(R.id.checkbox);
64        }
65    }
66
67    public static RecyclerView.ViewHolder createViewHolder(ViewGroup parent) {
68        View v = LayoutInflater.from(parent.getContext())
69                .inflate(R.layout.checkbox_line_item, parent, false);
70        return new CheckboxLineItemViewHolder(v);
71    }
72
73    /**
74     * Called when any part of the line is clicked.
75     * @param isChecked the state of the switch widget at the time of click.
76     */
77    public abstract void onClick(boolean isChecked);
78
79    public abstract boolean isChecked();
80
81    @Override
82    public boolean isClickable() {
83        return true;
84    }
85
86    @Override
87    public CharSequence getDesc() {
88        return null;
89    }
90}
91