1 /*
2  * Copyright (C) 2021 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.car.settings.wifi;
18 
19 import android.content.Context;
20 import android.graphics.drawable.Drawable;
21 import android.graphics.drawable.StateListDrawable;
22 
23 import androidx.annotation.Nullable;
24 import androidx.preference.PreferenceViewHolder;
25 
26 import com.android.car.settings.common.Logger;
27 import com.android.car.ui.preference.CarUiTwoActionIconPreference;
28 import com.android.wifitrackerlib.WifiEntry;
29 
30 /** Renders a {@link WifiEntry} as a preference. */
31 public class WifiEntryPreference extends CarUiTwoActionIconPreference
32         implements WifiEntry.WifiEntryCallback{
33     private static final Logger LOG = new Logger(WifiEntryPreference.class);
34     private static final int[] STATE_SECURED = {
35             com.android.settingslib.R.attr.state_encrypted
36     };
37     private static final int[] STATE_NONE = {};
38     private static final int[] sWifiSignalAttributes = {com.android.settingslib.R.attr.wifi_signal};
39 
40     private final WifiEntry mWifiEntry;
41     @Nullable
42     private final StateListDrawable mWifiSld;
43 
WifiEntryPreference(Context context, WifiEntry wifiEntry)44     public WifiEntryPreference(Context context, WifiEntry wifiEntry) {
45         super(context);
46         LOG.d("creating preference for: " + wifiEntry);
47         mWifiSld = (StateListDrawable) context.getTheme()
48                 .obtainStyledAttributes(sWifiSignalAttributes).getDrawable(0);
49         if (mWifiSld != null) {
50             mWifiSld.mutate();
51         }
52         mWifiEntry = wifiEntry;
53         mWifiEntry.setListener(this);
54         setKey(wifiEntry.getKey());
55         setSecondaryActionVisible(false);
56         setShowChevron(false);
57         refresh();
58     }
59 
60     /**
61      * Returns the {@link WifiEntry} that is represented by this preference.
62      */
getWifiEntry()63     public WifiEntry getWifiEntry() {
64         return mWifiEntry;
65     }
66 
67     @Override
onBindViewHolder(PreferenceViewHolder holder)68     public void onBindViewHolder(PreferenceViewHolder holder) {
69         super.onBindViewHolder(holder);
70         setIcon(getWifiEntryIcon());
71     }
72 
73     @Override
onUpdated()74     public void onUpdated() {
75         refresh();
76     }
77 
refresh()78     private void refresh() {
79         setTitle(mWifiEntry.getSsid());
80         setSummary(mWifiEntry.getSummary(/* concise= */ false));
81         setIcon(getWifiEntryIcon());
82     }
83 
getWifiEntryIcon()84     private Drawable getWifiEntryIcon() {
85         if (mWifiSld == null) {
86             LOG.w("wifiSld is null.");
87             return null;
88         }
89         mWifiSld.setState(
90                 WifiUtil.isOpenNetwork(mWifiEntry.getSecurity())
91                         ? STATE_NONE
92                         : STATE_SECURED);
93         Drawable drawable = mWifiSld.getCurrent();
94         drawable.setLevel(mWifiEntry.getLevel());
95         return drawable;
96     }
97 }
98