blob: 53e1d84127d7b61b276bc3160662149e2b180e2b [file] [log] [blame]
/*
* Copyright 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// Do not include this file directly. It's intended to be used only by the JNI
// generation script. We are exporting types in strange namespaces in order to
// be compatible with the generated code targeted for Chromium.
#ifndef SDK_ANDROID_SRC_JNI_JNI_GENERATOR_HELPER_H_
#define SDK_ANDROID_SRC_JNI_JNI_GENERATOR_HELPER_H_
#include <jni.h>
#include <atomic>
#include "rtc_base/checks.h"
#include "sdk/android/native_api/jni/jni_int_wrapper.h"
#include "sdk/android/native_api/jni/scoped_java_ref.h"
#define CHECK_CLAZZ(env, jcaller, clazz, ...) RTC_DCHECK(clazz);
#define CHECK_NATIVE_PTR(env, jcaller, native_ptr, method_name, ...) \
RTC_DCHECK(native_ptr) << method_name;
#define BASE_EXPORT
#define JNI_REGISTRATION_EXPORT __attribute__((visibility("default")))
#define JNI_GENERATOR_EXPORT extern "C" JNIEXPORT JNICALL
#define CHECK_EXCEPTION(jni) \
RTC_CHECK(!jni->ExceptionCheck()) \
<< (jni->ExceptionDescribe(), jni->ExceptionClear(), "")
namespace jni_generator {
inline void CheckException(JNIEnv* env) {
CHECK_EXCEPTION(env);
}
} // namespace jni_generator
namespace webrtc {
// This function will initialize |atomic_class_id| to contain a global ref to
// the given class, and will return that ref on subsequent calls. The caller is
// responsible to zero-initialize |atomic_class_id|. It's fine to
// simultaneously call this on multiple threads referencing the same
// |atomic_method_id|.
jclass LazyGetClass(JNIEnv* env,
const char* class_name,
std::atomic<jclass>* atomic_class_id);
// This class is a wrapper for JNIEnv Get(Static)MethodID.
class MethodID {
public:
enum Type {
TYPE_STATIC,
TYPE_INSTANCE,
};
// This function will initialize |atomic_method_id| to contain a ref to
// the given method, and will return that ref on subsequent calls. The caller
// is responsible to zero-initialize |atomic_method_id|. It's fine to
// simultaneously call this on multiple threads referencing the same
// |atomic_method_id|.
template <Type type>
static jmethodID LazyGet(JNIEnv* env,
jclass clazz,
const char* method_name,
const char* jni_signature,
std::atomic<jmethodID>* atomic_method_id);
};
} // namespace webrtc
// Re-export relevant classes into the namespaces the script expects.
namespace base {
namespace android {
using webrtc::JavaParamRef;
using webrtc::JavaRef;
using webrtc::ScopedJavaLocalRef;
using webrtc::LazyGetClass;
using webrtc::MethodID;
} // namespace android
} // namespace base
#endif // SDK_ANDROID_SRC_JNI_JNI_GENERATOR_HELPER_H_