/*
* Copyright (C) 2012 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.wfd;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.ContentObserver;
import android.hardware.display.DisplayManager;
import android.hardware.display.WifiDisplay;
import android.hardware.display.WifiDisplayStatus;
import android.media.MediaRouter;
import android.media.MediaRouter.RouteInfo;
import android.net.Uri;
import android.net.wifi.WpsInfo;
import android.net.wifi.p2p.WifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager.ActionListener;
import android.net.wifi.p2p.WifiP2pManager.Channel;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.provider.Settings;
import android.support.v14.preference.SwitchPreference;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.Preference.OnPreferenceChangeListener;
import android.support.v7.preference.PreferenceCategory;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.PreferenceScreen;
import android.support.v7.preference.PreferenceViewHolder;
import android.util.Slog;
import android.util.TypedValue;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.internal.app.MediaRouteDialogPresenter;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
/**
* The Settings screen for WifiDisplay configuration and connection management.
*
* The wifi display routes are integrated together with other remote display routes
* from the media router. It may happen that wifi display isn't actually available
* on the system. In that case, the enable option will not be shown but other
* remote display routes will continue to be made available.
*/
public final class WifiDisplaySettings extends SettingsPreferenceFragment {
private static final String TAG = "WifiDisplaySettings";
private static final boolean DEBUG = false;
private static final int MENU_ID_ENABLE_WIFI_DISPLAY = Menu.FIRST;
private static final int CHANGE_SETTINGS = 1 << 0;
private static final int CHANGE_ROUTES = 1 << 1;
private static final int CHANGE_WIFI_DISPLAY_STATUS = 1 << 2;
private static final int CHANGE_ALL = -1;
private static final int ORDER_CERTIFICATION = 1;
private static final int ORDER_CONNECTED = 2;
private static final int ORDER_AVAILABLE = 3;
private static final int ORDER_UNAVAILABLE = 4;
private final Handler mHandler;
private MediaRouter mRouter;
private DisplayManager mDisplayManager;
private boolean mStarted;
private int mPendingChanges;
private boolean mWifiDisplayOnSetting;
private WifiDisplayStatus mWifiDisplayStatus;
private TextView mEmptyView;
/* certification */
private boolean mWifiDisplayCertificationOn;
private WifiP2pManager mWifiP2pManager;
private Channel mWifiP2pChannel;
private PreferenceGroup mCertCategory;
private boolean mListen;
private boolean mAutoGO;
private int mWpsConfig = WpsInfo.INVALID;
private int mListenChannel;
private int mOperatingChannel;
public WifiDisplaySettings() {
mHandler = new Handler();
}
@Override
protected int getMetricsCategory() {
return MetricsEvent.WFD_WIFI_DISPLAY;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
final Context context = getActivity();
mRouter = (MediaRouter)context.getSystemService(Context.MEDIA_ROUTER_SERVICE);
mDisplayManager = (DisplayManager)context.getSystemService(Context.DISPLAY_SERVICE);
mWifiP2pManager = (WifiP2pManager)context.getSystemService(Context.WIFI_P2P_SERVICE);
mWifiP2pChannel = mWifiP2pManager.initialize(context, Looper.getMainLooper(), null);
addPreferencesFromResource(R.xml.wifi_display_settings);
setHasOptionsMenu(true);
}
@Override
protected int getHelpResource() {
return R.string.help_url_remote_display;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mEmptyView = (TextView) getView().findViewById(android.R.id.empty);
mEmptyView.setText(R.string.wifi_display_no_devices_found);
setEmptyView(mEmptyView);
}
@Override
public void onStart() {
super.onStart();
mStarted = true;
final Context context = getActivity();
IntentFilter filter = new IntentFilter();
filter.addAction(DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED);
context.registerReceiver(mReceiver, filter);
getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.WIFI_DISPLAY_ON), false, mSettingsObserver);
getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON), false, mSettingsObserver);
getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.WIFI_DISPLAY_WPS_CONFIG), false, mSettingsObserver);
mRouter.addCallback(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, mRouterCallback,
MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
update(CHANGE_ALL);
}
@Override
public void onStop() {
super.onStop();
mStarted = false;
final Context context = getActivity();
context.unregisterReceiver(mReceiver);
getContentResolver().unregisterContentObserver(mSettingsObserver);
mRouter.removeCallback(mRouterCallback);
unscheduleUpdate();
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
if (mWifiDisplayStatus != null && mWifiDisplayStatus.getFeatureState()
!= WifiDisplayStatus.FEATURE_STATE_UNAVAILABLE) {
MenuItem item = menu.add(Menu.NONE, MENU_ID_ENABLE_WIFI_DISPLAY, 0,
R.string.wifi_display_enable_menu_item);
item.setCheckable(true);
item.setChecked(mWifiDisplayOnSetting);
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_ID_ENABLE_WIFI_DISPLAY:
mWifiDisplayOnSetting = !item.isChecked();
item.setChecked(mWifiDisplayOnSetting);
Settings.Global.putInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_ON, mWifiDisplayOnSetting ? 1 : 0);
return true;
}
return super.onOptionsItemSelected(item);
}
private void scheduleUpdate(int changes) {
if (mStarted) {
if (mPendingChanges == 0) {
mHandler.post(mUpdateRunnable);
}
mPendingChanges |= changes;
}
}
private void unscheduleUpdate() {
if (mPendingChanges != 0) {
mPendingChanges = 0;
mHandler.removeCallbacks(mUpdateRunnable);
}
}
private void update(int changes) {
boolean invalidateOptions = false;
// Update settings.
if ((changes & CHANGE_SETTINGS) != 0) {
mWifiDisplayOnSetting = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_ON, 0) != 0;
mWifiDisplayCertificationOn = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0;
mWpsConfig = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_WPS_CONFIG, WpsInfo.INVALID);
// The wifi display enabled setting may have changed.
invalidateOptions = true;
}
// Update wifi display state.
if ((changes & CHANGE_WIFI_DISPLAY_STATUS) != 0) {
mWifiDisplayStatus = mDisplayManager.getWifiDisplayStatus();
// The wifi display feature state may have changed.
invalidateOptions = true;
}
// Rebuild the routes.
final PreferenceScreen preferenceScreen = getPreferenceScreen();
preferenceScreen.removeAll();
// Add all known remote display routes.
final int routeCount = mRouter.getRouteCount();
for (int i = 0; i < routeCount; i++) {
MediaRouter.RouteInfo route = mRouter.getRouteAt(i);
if (route.matchesTypes(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY)) {
preferenceScreen.addPreference(createRoutePreference(route));
}
}
// Additional features for wifi display routes.
if (mWifiDisplayStatus != null
&& mWifiDisplayStatus.getFeatureState() == WifiDisplayStatus.FEATURE_STATE_ON) {
// Add all unpaired wifi displays.
for (WifiDisplay display : mWifiDisplayStatus.getDisplays()) {
if (!display.isRemembered() && display.isAvailable()
&& !display.equals(mWifiDisplayStatus.getActiveDisplay())) {
preferenceScreen.addPreference(new UnpairedWifiDisplayPreference(
getPrefContext(), display));
}
}
// Add the certification menu if enabled in developer options.
if (mWifiDisplayCertificationOn) {
buildCertificationMenu(preferenceScreen);
}
}
// Invalidate menu options if needed.
if (invalidateOptions) {
getActivity().invalidateOptionsMenu();
}
}
private RoutePreference createRoutePreference(MediaRouter.RouteInfo route) {
WifiDisplay display = findWifiDisplay(route.getDeviceAddress());
if (display != null) {
return new WifiDisplayRoutePreference(getPrefContext(), route, display);
} else {
return new RoutePreference(getPrefContext(), route);
}
}
private WifiDisplay findWifiDisplay(String deviceAddress) {
if (mWifiDisplayStatus != null && deviceAddress != null) {
for (WifiDisplay display : mWifiDisplayStatus.getDisplays()) {
if (display.getDeviceAddress().equals(deviceAddress)) {
return display;
}
}
}
return null;
}
private void buildCertificationMenu(final PreferenceScreen preferenceScreen) {
if (mCertCategory == null) {
mCertCategory = new PreferenceCategory(getPrefContext());
mCertCategory.setTitle(R.string.wifi_display_certification_heading);
mCertCategory.setOrder(ORDER_CERTIFICATION);
} else {
mCertCategory.removeAll();
}
preferenceScreen.addPreference(mCertCategory);
// display session info if there is an active p2p session
if (!mWifiDisplayStatus.getSessionInfo().getGroupId().isEmpty()) {
Preference p = new Preference(getPrefContext());
p.setTitle(R.string.wifi_display_session_info);
p.setSummary(mWifiDisplayStatus.getSessionInfo().toString());
mCertCategory.addPreference(p);
// show buttons for Pause/Resume when a WFD session is established
if (mWifiDisplayStatus.getSessionInfo().getSessionId() != 0) {
mCertCategory.addPreference(new Preference(getPrefContext()) {
@Override
public void onBindViewHolder(PreferenceViewHolder view) {
super.onBindViewHolder(view);
Button b = (Button) view.findViewById(R.id.left_button);
b.setText(R.string.wifi_display_pause);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mDisplayManager.pauseWifiDisplay();
}
});
b = (Button) view.findViewById(R.id.right_button);
b.setText(R.string.wifi_display_resume);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mDisplayManager.resumeWifiDisplay();
}
});
}
});
mCertCategory.setLayoutResource(R.layout.two_buttons_panel);
}
}
// switch for Listen Mode
SwitchPreference pref = new SwitchPreference(getPrefContext()) {
@Override
protected void onClick() {
mListen = !mListen;
setListenMode(mListen);
setChecked(mListen);
}
};
pref.setTitle(R.string.wifi_display_listen_mode);
pref.setChecked(mListen);
mCertCategory.addPreference(pref);
// switch for Autonomous GO
pref = new SwitchPreference(getPrefContext()) {
@Override
protected void onClick() {
mAutoGO = !mAutoGO;
if (mAutoGO) {
startAutoGO();
} else {
stopAutoGO();
}
setChecked(mAutoGO);
}
};
pref.setTitle(R.string.wifi_display_autonomous_go);
pref.setChecked(mAutoGO);
mCertCategory.addPreference(pref);
// Drop down list for choosing WPS method (PBC/KEYPAD/DISPLAY)
ListPreference lp = new ListPreference(getPrefContext());
lp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
int wpsConfig = Integer.parseInt((String) value);
if (wpsConfig != mWpsConfig) {
mWpsConfig = wpsConfig;
getActivity().invalidateOptionsMenu();
Settings.Global.putInt(getActivity().getContentResolver(),
Settings.Global.WIFI_DISPLAY_WPS_CONFIG, mWpsConfig);
}
return true;
}
});
mWpsConfig = Settings.Global.getInt(getActivity().getContentResolver(),
Settings.Global.WIFI_DISPLAY_WPS_CONFIG, WpsInfo.INVALID);
String[] wpsEntries = { "Default", "PBC", "KEYPAD", "DISPLAY" };
String[] wpsValues = {
"" + WpsInfo.INVALID,
"" + WpsInfo.PBC,
"" + WpsInfo.KEYPAD,
"" + WpsInfo.DISPLAY };
lp.setKey("wps");
lp.setTitle(R.string.wifi_display_wps_config);
lp.setEntries(wpsEntries);
lp.setEntryValues(wpsValues);
lp.setValue("" + mWpsConfig);
lp.setSummary("%1$s");
mCertCategory.addPreference(lp);
// Drop down list for choosing listen channel
lp = new ListPreference(getPrefContext());
lp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
int channel = Integer.parseInt((String) value);
if (channel != mListenChannel) {
mListenChannel = channel;
getActivity().invalidateOptionsMenu();
setWifiP2pChannels(mListenChannel, mOperatingChannel);
}
return true;
}
});
String[] lcEntries = { "Auto", "1", "6", "11" };
String[] lcValues = { "0", "1", "6", "11" };
lp.setKey("listening_channel");
lp.setTitle(R.string.wifi_display_listen_channel);
lp.setEntries(lcEntries);
lp.setEntryValues(lcValues);
lp.setValue("" + mListenChannel);
lp.setSummary("%1$s");
mCertCategory.addPreference(lp);
// Drop down list for choosing operating channel
lp = new ListPreference(getPrefContext());
lp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
int channel = Integer.parseInt((String) value);
if (channel != mOperatingChannel) {
mOperatingChannel = channel;
getActivity().invalidateOptionsMenu();
setWifiP2pChannels(mListenChannel, mOperatingChannel);
}
return true;
}
});
String[] ocEntries = { "Auto", "1", "6", "11", "36" };
String[] ocValues = { "0", "1", "6", "11", "36" };
lp.setKey("operating_channel");
lp.setTitle(R.string.wifi_display_operating_channel);
lp.setEntries(ocEntries);
lp.setEntryValues(ocValues);
lp.setValue("" + mOperatingChannel);
lp.setSummary("%1$s");
mCertCategory.addPreference(lp);
}
private void startAutoGO() {
if (DEBUG) {
Slog.d(TAG, "Starting Autonomous GO...");
}
mWifiP2pManager.createGroup(mWifiP2pChannel, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully started AutoGO.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to start AutoGO with reason " + reason + ".");
}
});
}
private void stopAutoGO() {
if (DEBUG) {
Slog.d(TAG, "Stopping Autonomous GO...");
}
mWifiP2pManager.removeGroup(mWifiP2pChannel, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully stopped AutoGO.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to stop AutoGO with reason " + reason + ".");
}
});
}
private void setListenMode(final boolean enable) {
if (DEBUG) {
Slog.d(TAG, "Setting listen mode to: " + enable);
}
mWifiP2pManager.listen(mWifiP2pChannel, enable, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully " + (enable ? "entered" : "exited")
+" listen mode.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to " + (enable ? "entered" : "exited")
+" listen mode with reason " + reason + ".");
}
});
}
private void setWifiP2pChannels(final int lc, final int oc) {
if (DEBUG) {
Slog.d(TAG, "Setting wifi p2p channel: lc=" + lc + ", oc=" + oc);
}
mWifiP2pManager.setWifiP2pChannels(mWifiP2pChannel,
lc, oc, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully set wifi p2p channels.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to set wifi p2p channels with reason " + reason + ".");
}
});
}
private void toggleRoute(MediaRouter.RouteInfo route) {
if (route.isSelected()) {
MediaRouteDialogPresenter.showDialogFragment(getActivity(),
MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, null);
} else {
route.select();
}
}
private void pairWifiDisplay(WifiDisplay display) {
if (display.canConnect()) {
mDisplayManager.connectWifiDisplay(display.getDeviceAddress());
}
}
private void showWifiDisplayOptionsDialog(final WifiDisplay display) {
View view = getActivity().getLayoutInflater().inflate(R.layout.wifi_display_options, null);
final EditText nameEditText = (EditText)view.findViewById(R.id.name);
nameEditText.setText(display.getFriendlyDisplayName());
DialogInterface.OnClickListener done = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String name = nameEditText.getText().toString().trim();
if (name.isEmpty() || name.equals(display.getDeviceName())) {
name = null;
}
mDisplayManager.renameWifiDisplay(display.getDeviceAddress(), name);
}
};
DialogInterface.OnClickListener forget = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
mDisplayManager.forgetWifiDisplay(display.getDeviceAddress());
}
};
AlertDialog dialog = new AlertDialog.Builder(getActivity())
.setCancelable(true)
.setTitle(R.string.wifi_display_options_title)
.setView(view)
.setPositiveButton(R.string.wifi_display_options_done, done)
.setNegativeButton(R.string.wifi_display_options_forget, forget)
.create();
dialog.show();
}
private final Runnable mUpdateRunnable = new Runnable() {
@Override
public void run() {
final int changes = mPendingChanges;
mPendingChanges = 0;
update(changes);
}
};
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED)) {
scheduleUpdate(CHANGE_WIFI_DISPLAY_STATUS);
}
}
};
private final ContentObserver mSettingsObserver = new ContentObserver(new Handler()) {
@Override
public void onChange(boolean selfChange, Uri uri) {
scheduleUpdate(CHANGE_SETTINGS);
}
};
private final MediaRouter.Callback mRouterCallback = new MediaRouter.SimpleCallback() {
@Override
public void onRouteAdded(MediaRouter router, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteChanged(MediaRouter router, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteRemoved(MediaRouter router, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteSelected(MediaRouter router, int type, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
};
private class RoutePreference extends Preference
implements Preference.OnPreferenceClickListener {
private final MediaRouter.RouteInfo mRoute;
public RoutePreference(Context context, MediaRouter.RouteInfo route) {
super(context);
mRoute = route;
setTitle(route.getName());
setSummary(route.getDescription());
setEnabled(route.isEnabled());
if (route.isSelected()) {
setOrder(ORDER_CONNECTED);
if (route.isConnecting()) {
setSummary(R.string.wifi_display_status_connecting);
} else {
setSummary(R.string.wifi_display_status_connected);
}
} else {
if (isEnabled()) {
setOrder(ORDER_AVAILABLE);
} else {
setOrder(ORDER_UNAVAILABLE);
if (route.getStatusCode() == MediaRouter.RouteInfo.STATUS_IN_USE) {
setSummary(R.string.wifi_display_status_in_use);
} else {
setSummary(R.string.wifi_display_status_not_available);
}
}
}
setOnPreferenceClickListener(this);
}
@Override
public boolean onPreferenceClick(Preference preference) {
toggleRoute(mRoute);
return true;
}
}
private class WifiDisplayRoutePreference extends RoutePreference
implements View.OnClickListener {
private final WifiDisplay mDisplay;
public WifiDisplayRoutePreference(Context context, MediaRouter.RouteInfo route,
WifiDisplay display) {
super(context, route);
mDisplay = display;
setWidgetLayoutResource(R.layout.wifi_display_preference);
}
@Override
public void onBindViewHolder(PreferenceViewHolder view) {
super.onBindViewHolder(view);
ImageView deviceDetails = (ImageView) view.findViewById(R.id.deviceDetails);
if (deviceDetails != null) {
deviceDetails.setOnClickListener(this);
if (!isEnabled()) {
TypedValue value = new TypedValue();
getContext().getTheme().resolveAttribute(android.R.attr.disabledAlpha,
value, true);
deviceDetails.setImageAlpha((int)(value.getFloat() * 255));
deviceDetails.setEnabled(true); // always allow button to be pressed
}
}
}
@Override
public void onClick(View v) {
showWifiDisplayOptionsDialog(mDisplay);
}
}
private class UnpairedWifiDisplayPreference extends Preference
implements Preference.OnPreferenceClickListener {
private final WifiDisplay mDisplay;
public UnpairedWifiDisplayPreference(Context context, WifiDisplay display) {
super(context);
mDisplay = display;
setTitle(display.getFriendlyDisplayName());
setSummary(com.android.internal.R.string.wireless_display_route_description);
setEnabled(display.canConnect());
if (isEnabled()) {
setOrder(ORDER_AVAILABLE);
} else {
setOrder(ORDER_UNAVAILABLE);
setSummary(R.string.wifi_display_status_in_use);
}
setOnPreferenceClickListener(this);
}
@Override
public boolean onPreferenceClick(Preference preference) {
pairWifiDisplay(mDisplay);
return true;
}
}
}