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| 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 |
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