WifiTile.java revision 012d4a229c2373519b5ebc3e19d8b27d6ce55843 
1/*
2 * Copyright (C) 2014 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.systemui.qs.tiles;
18
19import android.content.Context;
20import android.content.Intent;
21import android.content.res.Resources;
22import android.provider.Settings;
23import android.util.Log;
24
25import com.android.systemui.R;
26import com.android.systemui.qs.QSTile;
27import com.android.systemui.qs.QSTileView;
28import com.android.systemui.qs.SignalTileView;
29import com.android.systemui.statusbar.policy.NetworkController;
30import com.android.systemui.statusbar.policy.NetworkController.NetworkSignalChangedCallback;
31
32/** Quick settings tile: Wifi **/
33public class WifiTile extends QSTile<QSTile.SignalState> {
34    private static final Intent WIFI_SETTINGS = new Intent(Settings.ACTION_WIFI_SETTINGS);
35
36    private final NetworkController mController;
37
38    public WifiTile(Host host) {
39        super(host);
40        mController = host.getNetworkController();
41    }
42
43    @Override
44    public boolean supportsDualTargets() {
45        return true;
46    }
47
48    @Override
49    protected SignalState newTileState() {
50        return new SignalState();
51    }
52
53    @Override
54    public void setListening(boolean listening) {
55        if (listening) {
56            mController.addNetworkSignalChangedCallback(mCallback);
57        } else {
58            mController.removeNetworkSignalChangedCallback(mCallback);
59        }
60    }
61
62    @Override
63    public QSTileView createTileView(Context context) {
64        return new SignalTileView(context);
65    }
66
67    @Override
68    protected void handleClick() {
69        mController.setWifiEnabled(!mState.enabled);
70    }
71
72    @Override
73    protected void handleSecondaryClick() {
74        mHost.startSettingsActivity(WIFI_SETTINGS);
75    }
76
77    @Override
78    protected void handleUpdateState(SignalState state, Object arg) {
79        state.visible = true;
80        if (DEBUG) Log.d(TAG, "handleUpdateState arg=" + arg);
81        if (arg == null) return;
82        CallbackInfo cb = (CallbackInfo) arg;
83
84        boolean wifiConnected = cb.enabled && (cb.wifiSignalIconId > 0) && (cb.enabledDesc != null);
85        boolean wifiNotConnected = (cb.wifiSignalIconId > 0) && (cb.enabledDesc == null);
86        state.enabled = cb.enabled;
87        state.connected = wifiConnected;
88        state.activityIn = cb.enabled && cb.activityIn;
89        state.activityOut = cb.enabled && cb.activityOut;
90        final String signalContentDescription;
91        final Resources r = mContext.getResources();
92        if (wifiConnected) {
93            state.iconId = cb.wifiSignalIconId;
94            state.label = removeDoubleQuotes(cb.enabledDesc);
95            signalContentDescription = cb.wifiSignalContentDescription;
96        } else if (wifiNotConnected) {
97            state.iconId = R.drawable.ic_qs_wifi_0;
98            state.label = r.getString(R.string.quick_settings_wifi_label);
99            signalContentDescription = r.getString(R.string.accessibility_no_wifi);
100        } else {
101            state.iconId = R.drawable.ic_qs_wifi_no_network;
102            state.label = r.getString(R.string.quick_settings_wifi_label);
103            signalContentDescription = r.getString(R.string.accessibility_wifi_off);
104        }
105        state.contentDescription = mContext.getString(
106                R.string.accessibility_quick_settings_wifi,
107                signalContentDescription,
108                state.connected ? state.label : "");
109    }
110
111    private static String removeDoubleQuotes(String string) {
112        if (string == null) return null;
113        final int length = string.length();
114        if ((length > 1) && (string.charAt(0) == '"') && (string.charAt(length - 1) == '"')) {
115            return string.substring(1, length - 1);
116        }
117        return string;
118    }
119
120    private static final class CallbackInfo {
121        boolean enabled;
122        int wifiSignalIconId;
123        String enabledDesc;
124        boolean activityIn;
125        boolean activityOut;
126        String wifiSignalContentDescription;
127
128        @Override
129        public String toString() {
130            return new StringBuilder("CallbackInfo[")
131                .append("enabled=").append(enabled)
132                .append(",wifiSignalIconId=").append(wifiSignalIconId)
133                .append(",enabledDesc=").append(enabledDesc)
134                .append(",activityIn=").append(activityIn)
135                .append(",activityOut=").append(activityOut)
136                .append(",wifiSignalContentDescription=").append(wifiSignalContentDescription)
137                .append(']').toString();
138        }
139    }
140
141    private final NetworkSignalChangedCallback mCallback = new NetworkSignalChangedCallback() {
142        @Override
143        public void onWifiSignalChanged(boolean enabled, int wifiSignalIconId,
144                boolean activityIn, boolean activityOut,
145                String wifiSignalContentDescriptionId, String description) {
146            if (DEBUG) Log.d(TAG, "onWifiSignalChanged enabled=" + enabled);
147            final CallbackInfo info = new CallbackInfo();
148            info.enabled = enabled;
149            info.wifiSignalIconId = wifiSignalIconId;
150            info.enabledDesc = description;
151            info.activityIn = activityIn;
152            info.activityOut = activityOut;
153            info.wifiSignalContentDescription = wifiSignalContentDescriptionId;
154            refreshState(info);
155        }
156
157        @Override
158        public void onMobileDataSignalChanged(boolean enabled,
159                int mobileSignalIconId,
160                String mobileSignalContentDescriptionId, int dataTypeIconId,
161                boolean activityIn, boolean activityOut,
162                String dataTypeContentDescriptionId, String description) {
163            // noop
164        }
165
166        @Override
167        public void onAirplaneModeChanged(boolean enabled) {
168            // noop
169        }
170    };
171}
172