base/android/jni_generator/testSingleJNIAdditionalImport.golden

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