1 /*
2  * Copyright 2024 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 androidx.pdf.viewer.loader;
18 
19 import androidx.annotation.RestrictTo;
20 import androidx.pdf.viewer.loader.PdfPageLoader.GetPageLinksTask;
21 import androidx.pdf.viewer.loader.PdfPageLoader.GetPageTextTask;
22 
23 import org.jspecify.annotations.NonNull;
24 
25 /**
26  * Utility to disable tasks that are causing crashes.
27  */
28 @RestrictTo(RestrictTo.Scope.LIBRARY)
29 public final class TaskDenyList {
30 
31     public static boolean sDisableLinks = false;
32 
33     public static boolean sDisableAltText = false;
34 
TaskDenyList()35     private TaskDenyList() {
36         // Static utility.
37     }
38 
39     /**
40      * Disable some of the less important features if they are causing crashes.
41      */
maybeDenyListTask(@onNull String task)42     public static void maybeDenyListTask(@NonNull String task) {
43         if (GetPageLinksTask.class.getSimpleName().equals(task)) {
44             sDisableLinks = true;
45         } else if (GetPageTextTask.class.getSimpleName().equals(task)) {
46             sDisableAltText = true;
47         }
48     }
49 }
50