AccessPointListAdapter.java revision ddb7544cfc9f5263d719c9d2760451e9316d3bde 
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 */
16package com.android.car.settings.wifi;
17
18import android.content.Context;
19import android.content.Intent;
20import android.graphics.drawable.Drawable;
21import android.graphics.drawable.StateListDrawable;
22import android.net.wifi.WifiManager;
23import android.os.Bundle;
24import android.support.v7.widget.RecyclerView;
25import android.util.Log;
26import android.view.LayoutInflater;
27import android.view.View;
28import android.annotation.NonNull;
29import android.annotation.Nullable;
30import android.view.View.OnClickListener;
31import android.view.ViewGroup;
32import android.widget.ImageView;
33import android.widget.TextView;
34import android.widget.Toast;
35
36import com.android.car.settings.R;
37import com.android.car.settings.common.AnimationUtil;
38import com.android.car.settings.wifi.AccessPointListAdapter.ViewHolder;
39import com.android.car.view.PagedListView;
40import com.android.settingslib.wifi.AccessPoint;
41
42import java.util.List;
43
44/**
45 * Renders {@link AccessPoint} to a view to be displayed as a row in a list.
46 */
47public class AccessPointListAdapter
48        extends RecyclerView.Adapter<AccessPointListAdapter.ViewHolder>
49        implements PagedListView.ItemCap {
50    private static final String TAG = "AccessPointListAdapter";
51    private static final int[] STATE_SECURED = {
52            com.android.settingslib.R.attr.state_encrypted
53    };
54    private static final int[] STATE_NONE = {};
55    private static int[] wifi_signal_attributes = {com.android.settingslib.R.attr.wifi_signal};
56
57    private final StateListDrawable mWifiSld;
58    private final Context mContext;
59    private final CarWifiManager mCarWifiManager;
60    private final WifiManager.ActionListener mConnectionListener;
61
62    private List<AccessPoint> mAccessPoints;
63
64    public AccessPointListAdapter(@NonNull Context context, CarWifiManager carWifiManager,
65            @NonNull List<AccessPoint> accesssPoints) {
66        mContext = context;
67        mCarWifiManager = carWifiManager;
68        mAccessPoints = accesssPoints;
69        mWifiSld = (StateListDrawable) context.getTheme()
70                .obtainStyledAttributes(wifi_signal_attributes).getDrawable(0);
71
72        mConnectionListener = new WifiManager.ActionListener() {
73            @Override
74            public void onSuccess() {
75            }
76            @Override
77            public void onFailure(int reason) {
78                Toast.makeText(mContext,
79                        R.string.wifi_failed_connect_message,
80                        Toast.LENGTH_SHORT).show();
81            }
82        };
83    }
84
85    public void updateAccessPoints(@NonNull List<AccessPoint> accesssPoints) {
86        mAccessPoints = accesssPoints;
87        notifyDataSetChanged();
88    }
89
90    public boolean isEmpty() {
91        return mAccessPoints.isEmpty();
92    }
93
94    public class ViewHolder extends RecyclerView.ViewHolder {
95        private final ImageView mIcon;
96        private final TextView mWifiName;
97        private final TextView mWifiDesc;
98
99        public ViewHolder(View view) {
100            super(view);
101            mWifiName = (TextView) view.findViewById(R.id.title);
102            mWifiDesc = (TextView) view.findViewById(R.id.desc);
103            mIcon = (ImageView) view.findViewById(R.id.icon);
104        }
105    }
106
107    private class AccessPointClickListener implements OnClickListener {
108        private final AccessPoint mAccessPoint;
109
110        public AccessPointClickListener(AccessPoint accessPoint) {
111            mAccessPoint = accessPoint;
112        }
113
114        @Override
115        public void onClick(View v) {
116            // for new open unsecuried wifi network, connect to it right away
117            if (mAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE &&
118                    !mAccessPoint.isSaved() && !mAccessPoint.isActive()) {
119                mCarWifiManager.connectToPublicWifi(mAccessPoint, mConnectionListener);
120            } else {
121                Intent intent = mAccessPoint.isSaved()
122                        ? new Intent(mContext , WifiDetailActivity.class)
123                        : new Intent(mContext, AddWifiActivity.class);
124                Bundle accessPointState = new Bundle();
125                mAccessPoint.saveWifiState(accessPointState);
126                intent.putExtras(accessPointState);
127                mContext.startActivity(
128                        intent, AnimationUtil.slideInFromRightOption(mContext).toBundle());
129            }
130        }
131    };
132
133    @Override
134    public AccessPointListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
135            int viewType) {
136        View v = LayoutInflater.from(parent.getContext())
137                .inflate(R.layout.icon_widget_line_item, parent, false);
138        ViewHolder vh = new ViewHolder(v);
139        return vh;
140    }
141
142    @Override
143    public void onBindViewHolder(ViewHolder holder, int position) {
144        AccessPoint accessPoint = mAccessPoints.get(position);
145        holder.itemView.setOnClickListener(new AccessPointClickListener(accessPoint));
146        holder.mWifiName.setText(accessPoint.getConfigName());
147        holder.mIcon.setImageDrawable(getIcon(accessPoint));
148        String summary = accessPoint.getSummary();
149        if (summary != null && !summary.isEmpty()) {
150            holder.mWifiDesc.setText(summary);
151            holder.mWifiDesc.setVisibility(View.VISIBLE);
152        } else {
153            holder.mWifiDesc.setVisibility(View.GONE);
154        }
155    }
156
157    @Override
158    public int getItemCount() {
159        return mAccessPoints.size();
160    }
161
162    @Override
163    public void setMaxItems(int maxItems) {
164        // no limit in this list.
165    }
166
167    private Drawable getIcon(AccessPoint accessPoint) {
168        mWifiSld.setState((accessPoint.getSecurity() != AccessPoint.SECURITY_NONE)
169                ? STATE_SECURED
170                : STATE_NONE);
171        Drawable drawable = mWifiSld.getCurrent();
172        drawable.setLevel(accessPoint.getLevel());
173        drawable.invalidateSelf();
174        return drawable;
175    }
176}
177