1afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project/* 2b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh * Copyright (C) 2010 The Android Open Source Project 3afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * 4afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * you may not use this file except in compliance with the License. 6afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * You may obtain a copy of the License at 7afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * 8afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * 10afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * See the License for the specific language governing permissions and 14afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project * limitations under the License. 15afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project */ 16afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project 17afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectpackage com.android.settings.wifi; 18afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project 19afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectimport android.content.BroadcastReceiver; 20afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectimport android.content.Context; 21afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectimport android.content.Intent; 22afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectimport android.content.IntentFilter; 23afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectimport android.net.NetworkInfo; 24feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yehimport android.net.wifi.SupplicantState; 25feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yehimport android.net.wifi.WifiInfo; 26afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Projectimport android.net.wifi.WifiManager; 2783bcc98af19597a213a8d174e8f1b47453d513ceMike Lockwoodimport android.provider.Settings; 28e78c1879058571c00879f0d3e756951302adf513Gilles Debunneimport android.widget.CompoundButton; 29e78c1879058571c00879f0d3e756951302adf513Gilles Debunneimport android.widget.Switch; 30b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yehimport android.widget.Toast; 31afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project 32e78c1879058571c00879f0d3e756951302adf513Gilles Debunneimport com.android.settings.R; 33e78c1879058571c00879f0d3e756951302adf513Gilles Debunneimport com.android.settings.WirelessSettings; 34e78c1879058571c00879f0d3e756951302adf513Gilles Debunne 35cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriffimport java.util.concurrent.atomic.AtomicBoolean; 36cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff 37e78c1879058571c00879f0d3e756951302adf513Gilles Debunnepublic class WifiEnabler implements CompoundButton.OnCheckedChangeListener { 38cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff private final Context mContext; 39e78c1879058571c00879f0d3e756951302adf513Gilles Debunne private Switch mSwitch; 40cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff private AtomicBoolean mConnected = new AtomicBoolean(false); 41cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff 42b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh private final WifiManager mWifiManager; 43b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff private boolean mStateMachineEvent; 44b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh private final IntentFilter mIntentFilter; 45b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 46afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project @Override 47afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project public void onReceive(Context context, Intent intent) { 48b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh String action = intent.getAction(); 49b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(action)) { 50b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh handleWifiStateChanged(intent.getIntExtra( 51b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh WifiManager.EXTRA_WIFI_STATE, WifiManager.WIFI_STATE_UNKNOWN)); 52feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh } else if (WifiManager.SUPPLICANT_STATE_CHANGED_ACTION.equals(action)) { 53cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff if (!mConnected.get()) { 54cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff handleStateChanged(WifiInfo.getDetailedStateOf((SupplicantState) 55cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff intent.getParcelableExtra(WifiManager.EXTRA_NEW_STATE))); 56cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff } 57b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh } else if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(action)) { 58cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff NetworkInfo info = (NetworkInfo) intent.getParcelableExtra( 59cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff WifiManager.EXTRA_NETWORK_INFO); 60cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff mConnected.set(info.isConnected()); 61cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff handleStateChanged(info.getDetailedState()); 62afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 63afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 64afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project }; 654e14211d21387d645ecdad406f3350d36e5a8643Chia-chi Yeh 66e78c1879058571c00879f0d3e756951302adf513Gilles Debunne public WifiEnabler(Context context, Switch switch_) { 67afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project mContext = context; 68e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch = switch_; 699dee8a96c5682aebff50adc8c87519ee6c36e3efChia-chi Yeh 709dee8a96c5682aebff50adc8c87519ee6c36e3efChia-chi Yeh mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); 71b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh mIntentFilter = new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION); 72feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh // The order matters! We really should not depend on this. :( 73feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh mIntentFilter.addAction(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION); 74b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh mIntentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); 75afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 76afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project 77afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project public void resume() { 78b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh // Wi-Fi state is sticky, so just let the receiver update UI 79b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh mContext.registerReceiver(mReceiver, mIntentFilter); 80e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setOnCheckedChangeListener(this); 81afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 82cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff 83afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project public void pause() { 84b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh mContext.unregisterReceiver(mReceiver); 85e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setOnCheckedChangeListener(null); 86afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 87cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff 88e78c1879058571c00879f0d3e756951302adf513Gilles Debunne public void setSwitch(Switch switch_) { 89e78c1879058571c00879f0d3e756951302adf513Gilles Debunne if (mSwitch == switch_) return; 90e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setOnCheckedChangeListener(null); 91e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch = switch_; 92e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setOnCheckedChangeListener(this); 93e78c1879058571c00879f0d3e756951302adf513Gilles Debunne 94e78c1879058571c00879f0d3e756951302adf513Gilles Debunne final int wifiState = mWifiManager.getWifiState(); 95e78c1879058571c00879f0d3e756951302adf513Gilles Debunne boolean isEnabled = wifiState == WifiManager.WIFI_STATE_ENABLED; 96e78c1879058571c00879f0d3e756951302adf513Gilles Debunne boolean isDisabled = wifiState == WifiManager.WIFI_STATE_DISABLED; 97e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setChecked(isEnabled); 98e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(isEnabled || isDisabled); 99e78c1879058571c00879f0d3e756951302adf513Gilles Debunne } 100cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff 101e78c1879058571c00879f0d3e756951302adf513Gilles Debunne public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 102b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff //Do nothing if called as a result of a state machine event 103b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff if (mStateMachineEvent) { 104b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff return; 105b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff } 106b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh // Show toast message if Wi-Fi is not allowed in airplane mode 107e78c1879058571c00879f0d3e756951302adf513Gilles Debunne if (isChecked && !WirelessSettings.isRadioAllowed(mContext, Settings.System.RADIO_WIFI)) { 108e78c1879058571c00879f0d3e756951302adf513Gilles Debunne Toast.makeText(mContext, R.string.wifi_in_airplane_mode, Toast.LENGTH_SHORT).show(); 109e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // Reset switch to off. No infinite check/listenenr loop. 110e78c1879058571c00879f0d3e756951302adf513Gilles Debunne buttonView.setChecked(false); 111afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 112afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project 113e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // Disable tethering if enabling Wifi 114a6a74e222a994e29a1daa7178943a1fc9dd06c47Irfan Sheriff int wifiApState = mWifiManager.getWifiApState(); 115e78c1879058571c00879f0d3e756951302adf513Gilles Debunne if (isChecked && ((wifiApState == WifiManager.WIFI_AP_STATE_ENABLING) || 116a6a74e222a994e29a1daa7178943a1fc9dd06c47Irfan Sheriff (wifiApState == WifiManager.WIFI_AP_STATE_ENABLED))) { 117a6a74e222a994e29a1daa7178943a1fc9dd06c47Irfan Sheriff mWifiManager.setWifiApEnabled(null, false); 118a6a74e222a994e29a1daa7178943a1fc9dd06c47Irfan Sheriff } 119e78c1879058571c00879f0d3e756951302adf513Gilles Debunne 120e78c1879058571c00879f0d3e756951302adf513Gilles Debunne if (mWifiManager.setWifiEnabled(isChecked)) { 121e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // Intent has been taken into account, disable until new state is active 122e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(false); 123b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh } else { 124e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // Error 125e78c1879058571c00879f0d3e756951302adf513Gilles Debunne Toast.makeText(mContext, R.string.wifi_error, Toast.LENGTH_SHORT).show(); 126afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 127b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh } 128cb52d4b4ab1156aa326fc51c878c2e7ba3f1146cIrfan Sheriff 129b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh private void handleWifiStateChanged(int state) { 130b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh switch (state) { 131b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh case WifiManager.WIFI_STATE_ENABLING: 132e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(false); 133b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh break; 134b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh case WifiManager.WIFI_STATE_ENABLED: 135b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff setSwitchChecked(true); 136e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(true); 137b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh break; 138b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh case WifiManager.WIFI_STATE_DISABLING: 139e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(false); 140b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh break; 141b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh case WifiManager.WIFI_STATE_DISABLED: 142b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff setSwitchChecked(false); 143e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(true); 144b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh break; 145b90452f3d26201ea6a231f2150204241e66cd3fbChia-chi Yeh default: 146b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff setSwitchChecked(false); 147e78c1879058571c00879f0d3e756951302adf513Gilles Debunne mSwitch.setEnabled(true); 148b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff break; 149b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff } 150b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff } 151b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff 152b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff private void setSwitchChecked(boolean checked) { 153b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff if (checked != mSwitch.isChecked()) { 154b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff mStateMachineEvent = true; 155b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff mSwitch.setChecked(checked); 156b1c0e0b1c93acbc71a2063411ae4ac86f9fc9fbfIrfan Sheriff mStateMachineEvent = false; 157afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 158afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 159afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project 160e78c1879058571c00879f0d3e756951302adf513Gilles Debunne private void handleStateChanged(@SuppressWarnings("unused") NetworkInfo.DetailedState state) { 161e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // After the refactoring from a CheckBoxPreference to a Switch, this method is useless since 162e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // there is nowhere to display a summary. 163e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // This code is kept in case a future change re-introduces an associated text. 164e78c1879058571c00879f0d3e756951302adf513Gilles Debunne /* 165feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh // WifiInfo is valid if and only if Wi-Fi is enabled. 166e78c1879058571c00879f0d3e756951302adf513Gilles Debunne // Here we use the state of the switch as an optimization. 167e78c1879058571c00879f0d3e756951302adf513Gilles Debunne if (state != null && mSwitch.isChecked()) { 168feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh WifiInfo info = mWifiManager.getConnectionInfo(); 169feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh if (info != null) { 170e78c1879058571c00879f0d3e756951302adf513Gilles Debunne //setSummary(Summary.get(mContext, info.getSSID(), state)); 171feeb75613241556ee2a6504a55a2f3849fb4ce4cChia-chi Yeh } 172afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 173e78c1879058571c00879f0d3e756951302adf513Gilles Debunne */ 174afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project } 175afc4ab2ffbb8327ddce9907961295a32cbf49d0fThe Android Open Source Project} 176