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.settingslib;
18
19import android.content.Context;
20import android.support.v7.preference.Preference;
21import android.support.v7.preference.PreferenceViewHolder;
22import android.util.AttributeSet;
23import android.view.View;
24
25public class TwoTargetPreference extends Preference {
26
27    public TwoTargetPreference(Context context, AttributeSet attrs,
28            int defStyleAttr, int defStyleRes) {
29        super(context, attrs, defStyleAttr, defStyleRes);
30        init();
31    }
32
33    public TwoTargetPreference(Context context, AttributeSet attrs, int defStyleAttr) {
34        super(context, attrs, defStyleAttr);
35        init();
36    }
37
38    public TwoTargetPreference(Context context, AttributeSet attrs) {
39        super(context, attrs);
40        init();
41    }
42
43    public TwoTargetPreference(Context context) {
44        super(context);
45        init();
46    }
47
48    private void init() {
49        setLayoutResource(R.layout.preference_two_target);
50        final int secondTargetResId = getSecondTargetResId();
51        if (secondTargetResId != 0) {
52            setWidgetLayoutResource(secondTargetResId);
53        }
54    }
55
56    @Override
57    public void onBindViewHolder(PreferenceViewHolder holder) {
58        super.onBindViewHolder(holder);
59        final View divider = holder.findViewById(R.id.two_target_divider);
60        final View widgetFrame = holder.findViewById(android.R.id.widget_frame);
61        final boolean shouldHideSecondTarget = shouldHideSecondTarget();
62        if (divider != null) {
63            divider.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE);
64        }
65        if (widgetFrame != null) {
66            widgetFrame.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE);
67        }
68    }
69
70    protected boolean shouldHideSecondTarget() {
71        return getSecondTargetResId() == 0;
72    }
73
74    protected int getSecondTargetResId() {
75        return 0;
76    }
77}
78