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      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 
     17 package com.android.settings.wifi;
     18 
     19 import android.app.Dialog;
     20 import android.net.wifi.WifiConfiguration;
     21 import android.os.Bundle;
     22 import android.support.v7.preference.PreferenceScreen;
     23 import android.text.TextUtils;
     24 import android.view.LayoutInflater;
     25 import android.view.Menu;
     26 import android.view.MenuInflater;
     27 import android.view.View;
     28 import android.view.View.OnClickListener;
     29 import android.view.ViewGroup;
     30 import android.widget.LinearLayout;
     31 import android.widget.ListView;
     32 import android.widget.TextView;
     33 
     34 import com.android.settings.R;
     35 import com.android.settings.SetupWizardUtils;
     36 import com.android.setupwizardlib.SetupWizardListLayout;
     37 import com.android.setupwizardlib.view.NavigationBar;
     38 
     39 /**
     40  * This customized version of WifiSettings is shown to the user only during Setup Wizard. Menu
     41  * is not shown, clicking on an access point will auto-advance to the next screen (once connected),
     42  * and, if the user opts to skip ahead without a wifi connection, a warning message alerts of
     43  * possible carrier data charges or missing software updates.
     44  */
     45 public class WifiSettingsForSetupWizard extends WifiSettings {
     46 
     47     private static final String TAG = "WifiSettingsForSetupWizard";
     48 
     49     private SetupWizardListLayout mLayout;
     50     private View mAddOtherNetworkItem;
     51     private TextView mEmptyFooter;
     52     private View mMacAddressFooter;
     53     private boolean mListLastEmpty = false;
     54 
     55     @Override
     56     public View onCreateView(final LayoutInflater inflater, ViewGroup container,
     57             Bundle savedInstanceState) {
     58         mLayout = (SetupWizardListLayout)
     59                 inflater.inflate(R.layout.setup_wifi_layout, container, false);
     60         final ListView list = mLayout.getListView();
     61 
     62         mAddOtherNetworkItem = inflater.inflate(R.layout.setup_wifi_add_network, list, false);
     63         list.addFooterView(mAddOtherNetworkItem, null, true);
     64         mAddOtherNetworkItem.setOnClickListener(new OnClickListener() {
     65             @Override
     66             public void onClick(View v) {
     67                 if (mWifiManager.isWifiEnabled()) {
     68                     onAddNetworkPressed();
     69                 }
     70             }
     71         });
     72 
     73         mMacAddressFooter = inflater.inflate(R.layout.setup_wifi_mac_address, list, false);
     74         list.addFooterView(mMacAddressFooter, null, false);
     75 
     76         final NavigationBar navigationBar = mLayout.getNavigationBar();
     77         if (navigationBar != null) {
     78             WifiSetupActivity activity = (WifiSetupActivity) getActivity();
     79             activity.onNavigationBarCreated(navigationBar);
     80         }
     81 
     82         return mLayout;
     83     }
     84 
     85     @Override
     86     public void onActivityCreated(Bundle savedInstanceState) {
     87         super.onActivityCreated(savedInstanceState);
     88 
     89         if (hasNextButton()) {
     90             getNextButton().setVisibility(View.GONE);
     91         }
     92 
     93         updateMacAddress();
     94     }
     95 
     96     @Override
     97     public void onAccessPointsChanged() {
     98         super.onAccessPointsChanged();
     99         PreferenceScreen preferenceScreen = getPreferenceScreen();
    100         updateFooter(preferenceScreen == null || preferenceScreen.getPreferenceCount() == 0);
    101     }
    102 
    103     @Override
    104     public void onWifiStateChanged(int state) {
    105         super.onWifiStateChanged(state);
    106         updateMacAddress();
    107     }
    108 
    109     @Override
    110     public void registerForContextMenu(View view) {
    111         // Suppressed during setup wizard
    112     }
    113 
    114     @Override
    115     /* package */ WifiEnabler createWifiEnabler() {
    116         // Not shown during setup wizard
    117         return null;
    118     }
    119 
    120     @Override
    121     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    122         // Do not show menu during setup wizard
    123     }
    124 
    125     @Override
    126     public Dialog onCreateDialog(int dialogId) {
    127         final Dialog dialog = super.onCreateDialog(dialogId);
    128         SetupWizardUtils.applyImmersiveFlags(dialog);
    129         return dialog;
    130     }
    131 
    132     @Override
    133     protected void connect(final WifiConfiguration config) {
    134         WifiSetupActivity activity = (WifiSetupActivity) getActivity();
    135         activity.networkSelected();
    136         super.connect(config);
    137     }
    138 
    139     @Override
    140     protected void connect(final int networkId) {
    141         WifiSetupActivity activity = (WifiSetupActivity) getActivity();
    142         activity.networkSelected();
    143         super.connect(networkId);
    144     }
    145 
    146     @Override
    147     protected TextView initEmptyTextView() {
    148         final LayoutInflater inflater = LayoutInflater.from(getActivity());
    149         mEmptyFooter = (TextView) inflater.inflate(R.layout.setup_wifi_empty, getListView(), false);
    150         return mEmptyFooter;
    151     }
    152 
    153     protected void updateFooter(boolean isEmpty) {
    154         if (isEmpty != mListLastEmpty) {
    155             if (isEmpty) {
    156                 setFooterView(mEmptyFooter);
    157             } else {
    158                 LinearLayout layout = new LinearLayout(getContext());
    159                 layout.setOrientation(LinearLayout.VERTICAL);
    160                 layout.addView(mAddOtherNetworkItem);
    161                 layout.addView(mMacAddressFooter);
    162                 setFooterView(layout);
    163             }
    164             mListLastEmpty = isEmpty;
    165         }
    166     }
    167 
    168     @Override
    169     public View setPinnedHeaderView(int layoutResId) {
    170         // Pinned header is not supported in setup wizard
    171         return null;
    172     }
    173 
    174     @Override
    175     public void setPinnedHeaderView(View pinnedHeader) {
    176         // Pinned header is not supported in setup wizard
    177     }
    178 
    179     @Override
    180     protected void setProgressBarVisible(boolean visible) {
    181         if (mLayout != null) {
    182             if (visible) {
    183                 mLayout.showProgressBar();
    184             } else {
    185                 mLayout.hideProgressBar();
    186             }
    187         }
    188     }
    189 
    190     private void updateMacAddress() {
    191         if (mMacAddressFooter != null) {
    192             String macAddress = null;
    193             if (mWifiManager != null) {
    194                 android.net.wifi.WifiInfo connectionInfo = mWifiManager.getConnectionInfo();
    195                 if (connectionInfo != null) {
    196                     macAddress = connectionInfo.getMacAddress();
    197                 }
    198             }
    199             final TextView macAddressTextView =
    200                     (TextView) mMacAddressFooter.findViewById(R.id.mac_address);
    201             macAddressTextView.setText(!TextUtils.isEmpty(macAddress) ?
    202                     macAddress : getString(R.string.status_unavailable));
    203         }
    204     }
    205 }
    206