| /* |
| * Copyright (C) 2017 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.server.autofill.ui; |
| |
| import android.annotation.NonNull; |
| import android.app.AppOpsManager; |
| import android.content.Context; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.UserHandle; |
| |
| /** |
| * This class controls showing/hiding overlays. We don't |
| * hide all overlays (toast/system alerts) while sensitive |
| * autofill UI is up. |
| */ |
| class OverlayControl { |
| |
| private final IBinder mToken = new Binder(); |
| |
| private final @NonNull AppOpsManager mAppOpsManager; |
| |
| OverlayControl(@NonNull Context context) { |
| mAppOpsManager = context.getSystemService(AppOpsManager.class); |
| } |
| |
| void hideOverlays() { |
| setOverlayAllowed(false); |
| } |
| |
| void showOverlays() { |
| setOverlayAllowed(true); |
| } |
| |
| private void setOverlayAllowed(boolean allowed) { |
| if (mAppOpsManager != null) { |
| mAppOpsManager.setUserRestrictionForUser(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, !allowed, |
| mToken, null, UserHandle.USER_ALL); |
| mAppOpsManager.setUserRestrictionForUser(AppOpsManager.OP_TOAST_WINDOW, !allowed, |
| mToken, null, UserHandle.USER_ALL); |
| } |
| } |
| } |