blob: 1dac850846d95c68f9998b11f571f6954f6f963a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* Copyright (C) 2018 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.packageinstaller.permission.ui.handheld;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import androidx.annotation.NonNull;
import androidx.preference.Preference;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceViewHolder;
import com.android.permissioncontroller.R;
import java.util.ArrayList;
import java.util.List;
/**
* A preference group that expands/collapses its children when clicked.
*/
public class ExpandablePreferenceGroup extends PreferenceGroup {
private @NonNull Context mContext;
private @NonNull List<Preference> mPreferences;
private @NonNull List<Integer> mSummaryIcons;
private boolean mExpanded;
public ExpandablePreferenceGroup(@NonNull Context context,
@NonNull List<Integer> summaryIcons) {
super(context, null);
mContext = context;
mPreferences = new ArrayList<>();
mSummaryIcons = summaryIcons;
mExpanded = false;
setLayoutResource(R.layout.preference_usage);
setWidgetLayoutResource(R.layout.image_view);
setOnPreferenceClickListener(preference -> {
if (!mExpanded) {
int numPreferences = mPreferences.size();
for (int i = 0; i < numPreferences; i++) {
super.addPreference(mPreferences.get(i));
}
} else {
removeAll();
}
mExpanded = !mExpanded;
return true;
});
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
ImageView icon = (ImageView) holder.findViewById(android.R.id.icon);
int rightIconSize = mContext.getResources().getDimensionPixelSize(
R.dimen.secondary_app_icon_size);
icon.setMaxWidth(rightIconSize);
icon.setMaxHeight(rightIconSize);
super.onBindViewHolder(holder);
ImageView rightImageView = holder.findViewById(
android.R.id.widget_frame).findViewById(R.id.icon);
if (mExpanded) {
rightImageView.setImageResource(R.drawable.ic_arrow_up);
} else {
rightImageView.setImageResource(R.drawable.ic_arrow_down);
}
holder.setDividerAllowedAbove(false);
holder.setDividerAllowedBelow(false);
ViewGroup summaryFrame = (ViewGroup) holder.findViewById(R.id.summary_widget_frame);
if (mSummaryIcons.isEmpty()) {
summaryFrame.setVisibility(View.GONE);
} else {
summaryFrame.removeAllViews();
int summaryIconSize = mContext.getResources().getDimensionPixelSize(
R.dimen.preference_usage_summary_icon_size);
int numIcons = mSummaryIcons.size();
for (int i = 0; i < numIcons; i++) {
LayoutInflater inflater = mContext.getSystemService(LayoutInflater.class);
ViewGroup layoutView = (ViewGroup) inflater.inflate(R.layout.summary_image_view,
null);
ImageView imageView = layoutView.requireViewById(R.id.icon);
imageView.setImageResource(mSummaryIcons.get(i));
summaryFrame.addView(layoutView);
}
}
}
@Override
public boolean addPreference(Preference preference) {
mPreferences.add(preference);
return true;
}
}
|
