1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef BASE_ANDROID_UNGUESSABLE_TOKEN_ANDROID_H_
6 #define BASE_ANDROID_UNGUESSABLE_TOKEN_ANDROID_H_
7 
8 #include <jni.h>
9 
10 #include "base/android/scoped_java_ref.h"
11 #include "base/base_export.h"
12 #include "base/unguessable_token.h"
13 
14 namespace base {
15 namespace android {
16 
17 class BASE_EXPORT UnguessableTokenAndroid {
18  public:
19   // Create a Java UnguessableToken with the same value as |token|.
20   static ScopedJavaLocalRef<jobject> Create(
21       JNIEnv* env,
22       const base::UnguessableToken& token);
23 
24   // Create a native UnguessableToken from Java UnguessableToken |token|.
25   static base::UnguessableToken FromJavaUnguessableToken(
26       JNIEnv* env,
27       const JavaRef<jobject>& token);
28 
29   // Parcel UnguessableToken |token| and unparcel it, and return the result.
30   // While this method is intended for facilitating unit tests, it results only
31   // in a clone of |token|.
32   static ScopedJavaLocalRef<jobject> ParcelAndUnparcelForTesting(
33       JNIEnv* env,
34       const JavaRef<jobject>& token);
35 
36  private:
37   DISALLOW_COPY_AND_ASSIGN(UnguessableTokenAndroid);
38 };
39 
40 }  // namespace android
41 }  // namespace base
42 
43 #endif  // BASE_ANDROID_UNGUESSABLE_TOKEN_ANDROID_H_
44