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/*
* Copyright (C) 2014 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.systemui;
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.content.pm.UserInfo;
import android.os.UserHandle;
import android.util.Log;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.UiEventLogger;
import com.android.systemui.broadcast.BroadcastDispatcher;
import com.android.systemui.qs.QSUserSwitcherEvent;
import com.android.systemui.settings.UserTracker;
import com.android.systemui.statusbar.phone.SystemUIDialog;
import com.android.systemui.statusbar.policy.UserSwitcherController;
import com.android.systemui.util.settings.SecureSettings;
/**
* Manages notification when a guest session is resumed.
*/
public class GuestResumeSessionReceiver extends BroadcastReceiver {
private static final String TAG = "GuestResumeSessionReceiver";
@VisibleForTesting
public static final String SETTING_GUEST_HAS_LOGGED_IN = "systemui.guest_has_logged_in";
@VisibleForTesting
public AlertDialog mNewSessionDialog;
private final UserTracker mUserTracker;
private final UserSwitcherController mUserSwitcherController;
private final UiEventLogger mUiEventLogger;
private final SecureSettings mSecureSettings;
public GuestResumeSessionReceiver(UserSwitcherController userSwitcherController,
UserTracker userTracker, UiEventLogger uiEventLogger,
SecureSettings secureSettings) {
mUserSwitcherController = userSwitcherController;
mUserTracker = userTracker;
mUiEventLogger = uiEventLogger;
mSecureSettings = secureSettings;
}
/**
* Register this receiver with the {@link BroadcastDispatcher}
*
* @param broadcastDispatcher to register the receiver.
*/
public void register(BroadcastDispatcher broadcastDispatcher) {
IntentFilter f = new IntentFilter(Intent.ACTION_USER_SWITCHED);
broadcastDispatcher.registerReceiver(this, f, null /* handler */, UserHandle.SYSTEM);
}
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_USER_SWITCHED.equals(action)) {
cancelDialog();
int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
if (userId == UserHandle.USER_NULL) {
Log.e(TAG, intent + " sent to " + TAG + " without EXTRA_USER_HANDLE");
return;
}
UserInfo currentUser = mUserTracker.getUserInfo();
if (!currentUser.isGuest()) {
return;
}
int notFirstLogin = mSecureSettings.getIntForUser(
SETTING_GUEST_HAS_LOGGED_IN, 0, userId);
if (notFirstLogin != 0) {
mNewSessionDialog = new ResetSessionDialog(context, mUserSwitcherController,
mUiEventLogger, userId);
mNewSessionDialog.show();
} else {
mSecureSettings.putIntForUser(SETTING_GUEST_HAS_LOGGED_IN, 1, userId);
}
}
}
private void cancelDialog() {
if (mNewSessionDialog != null && mNewSessionDialog.isShowing()) {
mNewSessionDialog.cancel();
mNewSessionDialog = null;
}
}
/**
* Dialog shown when user when asking for confirmation before deleting guest user.
*/
@VisibleForTesting
public static class ResetSessionDialog extends SystemUIDialog implements
DialogInterface.OnClickListener {
@VisibleForTesting
public static final int BUTTON_WIPE = BUTTON_NEGATIVE;
@VisibleForTesting
public static final int BUTTON_DONTWIPE = BUTTON_POSITIVE;
private final UserSwitcherController mUserSwitcherController;
private final UiEventLogger mUiEventLogger;
private final int mUserId;
ResetSessionDialog(Context context,
UserSwitcherController userSwitcherController,
UiEventLogger uiEventLogger,
int userId) {
super(context);
setTitle(context.getString(R.string.guest_wipe_session_title));
setMessage(context.getString(R.string.guest_wipe_session_message));
setCanceledOnTouchOutside(false);
setButton(BUTTON_WIPE,
context.getString(R.string.guest_wipe_session_wipe), this);
setButton(BUTTON_DONTWIPE,
context.getString(R.string.guest_wipe_session_dontwipe), this);
mUserSwitcherController = userSwitcherController;
mUiEventLogger = uiEventLogger;
mUserId = userId;
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == BUTTON_WIPE) {
mUiEventLogger.log(QSUserSwitcherEvent.QS_USER_GUEST_WIPE);
mUserSwitcherController.removeGuestUser(mUserId, UserHandle.USER_NULL);
dismiss();
} else if (which == BUTTON_DONTWIPE) {
mUiEventLogger.log(QSUserSwitcherEvent.QS_USER_GUEST_CONTINUE);
cancel();
}
}
}
}
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