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      1 // Copyright 2014 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 base::subtle::AtomicWord g_Foo_clazz __attribute__((unused)) = 0;
     24 #define Foo_clazz(env) base::android::LazyGetClass(env, kFooClassPath, &g_Foo_clazz)
     25 
     26 }  // namespace
     27 
     28 // Step 2: method stubs.
     29 
     30 static void DoSomething(JNIEnv* env, const base::android::JavaParamRef<jclass>&
     31     jcaller,
     32     const base::android::JavaParamRef<jobject>& callback1,
     33     const base::android::JavaParamRef<jobject>& callback2);
     34 
     35 JNI_GENERATOR_EXPORT void Java_org_chromium_foo_Foo_nativeDoSomething(JNIEnv*
     36     env, jclass jcaller,
     37     jobject callback1,
     38     jobject callback2) {
     39   return DoSomething(env, base::android::JavaParamRef<jclass>(env, jcaller),
     40       base::android::JavaParamRef<jobject>(env, callback1),
     41       base::android::JavaParamRef<jobject>(env, callback2));
     42 }
     43 
     44 static base::subtle::AtomicWord g_Foo_calledByNative = 0;
     45 static void Java_Foo_calledByNative(JNIEnv* env, const
     46     base::android::JavaRefOrBare<jobject>& callback1,
     47     const base::android::JavaRefOrBare<jobject>& callback2) {
     48   CHECK_CLAZZ(env, Foo_clazz(env),
     49       Foo_clazz(env));
     50   jmethodID method_id =
     51       base::android::MethodID::LazyGet<
     52       base::android::MethodID::TYPE_STATIC>(
     53       env, Foo_clazz(env),
     54       "calledByNative",
     55 "("
     56 "Lorg/chromium/foo/Bar1$Callback;"
     57 "Lorg/chromium/foo/Bar2$Callback;"
     58 ")"
     59 "V",
     60       &g_Foo_calledByNative);
     61 
     62      env->CallStaticVoidMethod(Foo_clazz(env),
     63           method_id, callback1.obj(), callback2.obj());
     64   jni_generator::CheckException(env);
     65 }
     66 
     67 // Step 3: RegisterNatives.
     68 
     69 static const JNINativeMethod kMethodsFoo[] = {
     70     { "nativeDoSomething",
     71 "("
     72 "Lorg/chromium/foo/Bar1$Callback;"
     73 "Lorg/chromium/foo/Bar2$Callback;"
     74 ")"
     75 "V", reinterpret_cast<void*>(Java_org_chromium_foo_Foo_nativeDoSomething) },
     76 };
     77 
     78 static bool RegisterNativesImpl(JNIEnv* env) {
     79   if (jni_generator::ShouldSkipJniRegistration(false))
     80     return true;
     81 
     82   const int kMethodsFooSize = arraysize(kMethodsFoo);
     83 
     84   if (env->RegisterNatives(Foo_clazz(env),
     85                            kMethodsFoo,
     86                            kMethodsFooSize) < 0) {
     87     jni_generator::HandleRegistrationError(
     88         env, Foo_clazz(env), __FILE__);
     89     return false;
     90   }
     91 
     92   return true;
     93 }
     94 
     95 #endif  // org_chromium_foo_Foo_JNI
     96