1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file is autogenerated by
// base/android/jni_generator/jni_generator.py
// For
// org/chromium/foo/Foo
#ifndef org_chromium_foo_Foo_JNI
#define org_chromium_foo_Foo_JNI
#include <jni.h>
#include "base/android/jni_generator/jni_generator_helper.h"
#include "base/android/jni_int_wrapper.h"
// Step 1: forward declarations.
namespace {
const char kFooClassPath[] = "org/chromium/foo/Foo";
// Leaking this jclass as we cannot use LazyInstance from some threads.
jclass g_Foo_clazz = NULL;
} // namespace
static void DoSomething(JNIEnv* env, jclass jcaller,
jobject callback1,
jobject callback2);
// Step 2: method stubs.
static base::subtle::AtomicWord g_Foo_calledByNative = 0;
static void Java_Foo_calledByNative(JNIEnv* env, jobject callback1,
jobject callback2) {
/* Must call RegisterNativesImpl() */
CHECK_CLAZZ(env, g_Foo_clazz,
g_Foo_clazz);
jmethodID method_id =
base::android::MethodID::LazyGet<
base::android::MethodID::TYPE_STATIC>(
env, g_Foo_clazz,
"calledByNative",
"("
"Lorg/chromium/foo/Bar1$Callback;"
"Lorg/chromium/foo/Bar2$Callback;"
")"
"V",
&g_Foo_calledByNative);
env->CallStaticVoidMethod(g_Foo_clazz,
method_id, callback1, callback2);
jni_generator::CheckException(env);
}
// Step 3: RegisterNatives.
static const JNINativeMethod kMethodsFoo[] = {
{ "nativeDoSomething",
"("
"Lorg/chromium/foo/Bar1$Callback;"
"Lorg/chromium/foo/Bar2$Callback;"
")"
"V", reinterpret_cast<void*>(DoSomething) },
};
static bool RegisterNativesImpl(JNIEnv* env) {
g_Foo_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
base::android::GetClass(env, kFooClassPath).obj()));
const int kMethodsFooSize = arraysize(kMethodsFoo);
if (env->RegisterNatives(g_Foo_clazz,
kMethodsFoo,
kMethodsFooSize) < 0) {
jni_generator::HandleRegistrationError(
env, g_Foo_clazz, __FILE__);
return false;
}
return true;
}
#endif // org_chromium_foo_Foo_JNI
|
