1 /*
2  * Copyright (C) 2011 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.settings.wifi.p2p;
18 
19 import android.content.Context;
20 import android.net.wifi.WifiManager;
21 import android.net.wifi.p2p.WifiP2pDevice;
22 import android.support.v7.preference.Preference;
23 import android.support.v7.preference.PreferenceViewHolder;
24 import android.text.TextUtils;
25 import android.widget.ImageView;
26 import com.android.settings.R;
27 
28 public class WifiP2pPeer extends Preference {
29 
30     private static final int[] STATE_SECURED = {R.attr.state_encrypted};
31     public WifiP2pDevice device;
32 
33     private final int mRssi;
34     private ImageView mSignal;
35 
36     private static final int SIGNAL_LEVELS = 4;
37 
WifiP2pPeer(Context context, WifiP2pDevice dev)38     public WifiP2pPeer(Context context, WifiP2pDevice dev) {
39         super(context);
40         device = dev;
41         setWidgetLayoutResource(R.layout.preference_widget_wifi_signal);
42         mRssi = 60; //TODO: fix
43         if (TextUtils.isEmpty(device.deviceName)) {
44             setTitle(device.deviceAddress);
45         } else {
46             setTitle(device.deviceName);
47         }
48         String[] statusArray = context.getResources().getStringArray(R.array.wifi_p2p_status);
49         setSummary(statusArray[device.status]);
50     }
51 
52     @Override
onBindViewHolder(PreferenceViewHolder view)53     public void onBindViewHolder(PreferenceViewHolder view) {
54         super.onBindViewHolder(view);
55         mSignal = (ImageView) view.findViewById(R.id.signal);
56         if (mRssi == Integer.MAX_VALUE) {
57             mSignal.setImageDrawable(null);
58         } else {
59             mSignal.setImageResource(R.drawable.wifi_signal_dark);
60             mSignal.setImageState(STATE_SECURED,  true);
61         }
62         mSignal.setImageLevel(getLevel());
63     }
64 
65     @Override
compareTo(Preference preference)66     public int compareTo(Preference preference) {
67         if (!(preference instanceof WifiP2pPeer)) {
68             return 1;
69         }
70         WifiP2pPeer other = (WifiP2pPeer) preference;
71 
72         // devices go in the order of the status
73         if (device.status != other.device.status) {
74             return device.status < other.device.status ? -1 : 1;
75         }
76 
77         // Sort by name/address
78         if (device.deviceName != null) {
79             return device.deviceName.compareToIgnoreCase(other.device.deviceName);
80         }
81 
82         return device.deviceAddress.compareToIgnoreCase(other.device.deviceAddress);
83     }
84 
getLevel()85     int getLevel() {
86         if (mRssi == Integer.MAX_VALUE) {
87             return -1;
88         }
89         return WifiManager.calculateSignalLevel(mRssi, SIGNAL_LEVELS);
90     }
91 }
92