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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.ActionBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.p2p.WifiP2pConfig;
import android.net.wifi.p2p.WifiP2pDevice;
import android.net.wifi.p2p.WifiP2pDeviceList;
import android.net.wifi.p2p.WifiP2pManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Switch;
import com.android.settings.wifi.p2p.WifiP2pDialog;
import com.android.settings.wifi.p2p.WifiP2pEnabler;
import com.android.settings.wifi.p2p.WifiP2pPeer;
import java.util.Arrays;
import java.util.List;
import java.util.Collection;
/*
* Displays Wi-fi p2p settings UI
*/
public class WifiP2pSettings extends SettingsPreferenceFragment {
private static final String TAG = "WifiP2pSettings";
private static final int MENU_ID_SEARCH = Menu.FIRST;
private static final int MENU_ID_CREATE_GROUP = Menu.FIRST + 1;
private static final int MENU_ID_ADVANCED = Menu.FIRST +2;
private final IntentFilter mIntentFilter = new IntentFilter();
private final Handler mHandler = new WifiP2pHandler();
private WifiP2pManager mWifiP2pManager;
private WifiP2pEnabler mWifiP2pEnabler;
private WifiP2pDialog mConnectDialog;
private OnClickListener mConnectListener;
private OnClickListener mDisconnectListener;
private WifiP2pPeer mSelectedWifiPeer;
private static final int DIALOG_CONNECT = 1;
private static final int DIALOG_DISCONNECT = 2;
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION.equals(action)) {
//TODO: nothing right now
} else if (WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION.equals(action)) {
if (mWifiP2pManager != null) mWifiP2pManager.requestPeers();
}
}
};
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.wifi_p2p_settings);
mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
final Activity activity = getActivity();
mWifiP2pManager = (WifiP2pManager) getSystemService(Context.WIFI_P2P_SERVICE);
if (!mWifiP2pManager.connectHandler(activity, mHandler)) {
//Failure to set up connection
Log.e(TAG, "Failed to set up connection with wifi p2p service");
mWifiP2pManager = null;
}
Switch actionBarSwitch = new Switch(activity);
if (activity instanceof PreferenceActivity) {
PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
final int padding = activity.getResources().getDimensionPixelSize(
R.dimen.action_bar_switch_padding);
actionBarSwitch.setPadding(0, 0, padding, 0);
activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
ActionBar.DISPLAY_SHOW_CUSTOM);
activity.getActionBar().setCustomView(actionBarSwitch, new ActionBar.LayoutParams(
ActionBar.LayoutParams.WRAP_CONTENT,
ActionBar.LayoutParams.WRAP_CONTENT,
Gravity.CENTER_VERTICAL | Gravity.RIGHT));
}
}
mWifiP2pEnabler = new WifiP2pEnabler(activity, actionBarSwitch);
//connect dialog listener
mConnectListener = new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
WifiP2pConfig config = mConnectDialog.getConfig();
if (mWifiP2pManager != null) {
mWifiP2pManager.connect(config);
}
}
}
};
//disconnect dialog listener
mDisconnectListener = new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
if (mWifiP2pManager != null) {
mWifiP2pManager.disconnect();
}
}
}
};
setHasOptionsMenu(true);
}
@Override
public void onResume() {
super.onResume();
getActivity().registerReceiver(mReceiver, mIntentFilter);
if (mWifiP2pEnabler != null) {
mWifiP2pEnabler.resume();
}
if (mWifiP2pManager != null) mWifiP2pManager.discoverPeers();
}
@Override
public void onPause() {
super.onPause();
if (mWifiP2pEnabler != null) {
mWifiP2pEnabler.pause();
}
getActivity().unregisterReceiver(mReceiver);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
menu.add(Menu.NONE, MENU_ID_SEARCH, 0, R.string.wifi_p2p_menu_search)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
menu.add(Menu.NONE, MENU_ID_CREATE_GROUP, 0, R.string.wifi_p2p_menu_create_group)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_p2p_menu_advanced)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_ID_SEARCH:
mWifiP2pManager.discoverPeers();
return true;
case MENU_ID_CREATE_GROUP:
mWifiP2pManager.createGroup();
return true;
case MENU_ID_ADVANCED:
//TODO: add advanced settings for p2p
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
if (preference instanceof WifiP2pPeer) {
mSelectedWifiPeer = (WifiP2pPeer) preference;
if (mSelectedWifiPeer.device.status == WifiP2pDevice.Status.CONNECTED) {
showDialog(DIALOG_DISCONNECT);
} else {
showDialog(DIALOG_CONNECT);
}
}
return super.onPreferenceTreeClick(screen, preference);
}
@Override
public Dialog onCreateDialog(int id) {
if (id == DIALOG_CONNECT) {
mConnectDialog = new WifiP2pDialog(getActivity(), mConnectListener,
mSelectedWifiPeer.device);
return mConnectDialog;
} else if (id == DIALOG_DISCONNECT) {
AlertDialog dialog = new AlertDialog.Builder(getActivity())
.setTitle("Disconnect ?")
.setMessage("Do you want to disconnect ?")
.setPositiveButton(getActivity().getString(R.string.dlg_ok), mDisconnectListener)
.setNegativeButton(getActivity().getString(R.string.dlg_cancel), null)
.create();
return dialog;
}
return null;
}
private void updatePeers(WifiP2pDeviceList peers) {
final PreferenceScreen preferenceScreen = getPreferenceScreen();
preferenceScreen.removeAll();
for (WifiP2pDevice peer: peers.getDeviceList()) {
preferenceScreen.addPreference(new WifiP2pPeer(getActivity(), peer));
}
}
private class WifiP2pHandler extends Handler {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case WifiP2pManager.HANDLER_DISCONNECTION:
//Failure to set up connection
Log.e(TAG, "Lost connection with wifi p2p service");
mWifiP2pManager = null;
break;
case WifiP2pManager.RESPONSE_PEERS:
updatePeers(mWifiP2pManager.peersInResponse(message));
break;
default:
//Ignore
break;
}
}
}
}
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